From 27be3056dc0e9c313f25b430ca90b240a5e44160 Mon Sep 17 00:00:00 2001 From: usa Date: Mon, 26 Apr 2010 04:34:36 +0000 Subject: * ext/jason: revert r27493. came again after canceling gcc-ism. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27500 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 4 + ext/json/ext/generator/extconf.rb | 9 + ext/json/ext/generator/generator.c | 919 +++++++++++++++++ ext/json/ext/generator/unicode.c | 180 ++++ ext/json/ext/generator/unicode.h | 53 + ext/json/ext/parser/extconf.rb | 9 + ext/json/ext/parser/parser.c | 1829 ++++++++++++++++++++++++++++++++++ ext/json/ext/parser/parser.rl | 686 +++++++++++++ ext/json/ext/parser/unicode.c | 154 +++ ext/json/ext/parser/unicode.h | 58 ++ ext/json/generator/extconf.rb | 14 - ext/json/generator/generator.c | 1334 ------------------------- ext/json/generator/generator.h | 170 ---- ext/json/lib/json/add/core.rb | 27 +- ext/json/lib/json/add/rails.rb | 4 +- ext/json/lib/json/common.rb | 123 +-- ext/json/lib/json/editor.rb | 32 +- ext/json/lib/json/version.rb | 2 +- ext/json/parser/extconf.rb | 14 - ext/json/parser/parser.c | 1934 ------------------------------------ ext/json/parser/parser.h | 71 -- ext/json/parser/parser.rl | 791 --------------- 22 files changed, 3967 insertions(+), 4450 deletions(-) create mode 100644 ext/json/ext/generator/extconf.rb create mode 100644 ext/json/ext/generator/generator.c create mode 100644 ext/json/ext/generator/unicode.c create mode 100644 ext/json/ext/generator/unicode.h create mode 100644 ext/json/ext/parser/extconf.rb create mode 100644 ext/json/ext/parser/parser.c create mode 100644 ext/json/ext/parser/parser.rl create mode 100644 ext/json/ext/parser/unicode.c create mode 100644 ext/json/ext/parser/unicode.h delete mode 100644 ext/json/generator/extconf.rb delete mode 100644 ext/json/generator/generator.c delete mode 100644 ext/json/generator/generator.h delete mode 100644 ext/json/parser/extconf.rb delete mode 100644 ext/json/parser/parser.c delete mode 100644 ext/json/parser/parser.h delete mode 100644 ext/json/parser/parser.rl diff --git a/ChangeLog b/ChangeLog index 6b35175e08..30e5482d35 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +Mon Apr 26 13:33:39 2010 NAKAMURA Usaku + + * ext/jason: came again after canceling gcc-ism. + Mon Apr 26 13:11:57 2010 Nobuyoshi Nakada * parse.y (ripper_get_value): escape Qundef. diff --git a/ext/json/ext/generator/extconf.rb b/ext/json/ext/generator/extconf.rb new file mode 100644 index 0000000000..fc267420f1 --- /dev/null +++ b/ext/json/ext/generator/extconf.rb @@ -0,0 +1,9 @@ +require 'mkmf' +require 'rbconfig' + +if CONFIG['GCC'] == 'yes' + $CFLAGS += ' -Wall' + #$CFLAGS += ' -O0 -ggdb' +end + +create_makefile 'json/ext/generator' diff --git a/ext/json/ext/generator/generator.c b/ext/json/ext/generator/generator.c new file mode 100644 index 0000000000..482938ac47 --- /dev/null +++ b/ext/json/ext/generator/generator.c @@ -0,0 +1,919 @@ +#include +#include "ruby.h" +#if HAVE_RUBY_ST_H +#include "ruby/st.h" +#endif +#if HAVE_ST_H +#include "st.h" +#endif +#include "unicode.h" +#include + +#ifndef RHASH_TBL +#define RHASH_TBL(hsh) (RHASH(hsh)->tbl) +#endif + +#ifndef RHASH_SIZE +#define RHASH_SIZE(hsh) (RHASH(hsh)->tbl->num_entries) +#endif + +#ifndef RFLOAT_VALUE +#define RFLOAT_VALUE(val) (RFLOAT(val)->value) +#endif + +#ifdef HAVE_RUBY_ENCODING_H +#include "ruby/encoding.h" +#define FORCE_UTF8(obj) rb_enc_associate((obj), rb_utf8_encoding()) +#else +#define FORCE_UTF8(obj) +#endif + +#define check_max_nesting(state, depth) do { \ + long current_nesting = 1 + depth; \ + if (state->max_nesting != 0 && current_nesting > state->max_nesting) \ + rb_raise(eNestingError, "nesting of %ld is too deep", current_nesting); \ +} while (0); + +static VALUE mJSON, mExt, mGenerator, cState, mGeneratorMethods, mObject, + mHash, mArray, mInteger, mFloat, mString, mString_Extend, + mTrueClass, mFalseClass, mNilClass, eGeneratorError, + eCircularDatastructure, eNestingError; + +static ID i_to_s, i_to_json, i_new, i_indent, i_space, i_space_before, + i_object_nl, i_array_nl, i_check_circular, i_max_nesting, + i_allow_nan, i_pack, i_unpack, i_create_id, i_extend; + +typedef struct JSON_Generator_StateStruct { + VALUE indent; + VALUE space; + VALUE space_before; + VALUE object_nl; + VALUE array_nl; + int check_circular; + VALUE seen; + VALUE memo; + VALUE depth; + long max_nesting; + int flag; + int allow_nan; +} JSON_Generator_State; + +#define GET_STATE(self) \ + JSON_Generator_State *state; \ + Data_Get_Struct(self, JSON_Generator_State, state); + +/* + * Document-module: JSON::Ext::Generator + * + * This is the JSON generator implemented as a C extension. It can be + * configured to be used by setting + * + * JSON.generator = JSON::Ext::Generator + * + * with the method generator= in JSON. + * + */ + +static int hash_to_json_state_i(VALUE key, VALUE value, VALUE Vstate) +{ + VALUE json, buf, Vdepth; + GET_STATE(Vstate); + buf = state->memo; + Vdepth = state->depth; + + if (key == Qundef) return ST_CONTINUE; + if (state->flag) { + state->flag = 0; + rb_str_buf_cat2(buf, ","); + if (RSTRING_LEN(state->object_nl)) rb_str_buf_append(buf, state->object_nl); + } + if (RSTRING_LEN(state->object_nl)) { + rb_str_buf_append(buf, rb_str_times(state->indent, Vdepth)); + } + json = rb_funcall(rb_funcall(key, i_to_s, 0), i_to_json, 2, Vstate, Vdepth); + Check_Type(json, T_STRING); + rb_str_buf_append(buf, json); + OBJ_INFECT(buf, json); + if (RSTRING_LEN(state->space_before)) { + rb_str_buf_append(buf, state->space_before); + } + rb_str_buf_cat2(buf, ":"); + if (RSTRING_LEN(state->space)) rb_str_buf_append(buf, state->space); + json = rb_funcall(value, i_to_json, 2, Vstate, Vdepth); + Check_Type(json, T_STRING); + state->flag = 1; + rb_str_buf_append(buf, json); + OBJ_INFECT(buf, json); + state->depth = Vdepth; + state->memo = buf; + return ST_CONTINUE; +} + +inline static VALUE mHash_json_transfrom(VALUE self, VALUE Vstate, VALUE Vdepth) { + long depth, len = RHASH_SIZE(self); + VALUE result; + GET_STATE(Vstate); + + depth = 1 + FIX2LONG(Vdepth); + result = rb_str_buf_new(len); + state->memo = result; + state->depth = LONG2FIX(depth); + state->flag = 0; + rb_str_buf_cat2(result, "{"); + if (RSTRING_LEN(state->object_nl)) rb_str_buf_append(result, state->object_nl); + rb_hash_foreach(self, hash_to_json_state_i, Vstate); + if (RSTRING_LEN(state->object_nl)) rb_str_buf_append(result, state->object_nl); + if (RSTRING_LEN(state->object_nl)) { + rb_str_buf_append(result, rb_str_times(state->indent, Vdepth)); + } + rb_str_buf_cat2(result, "}"); + return result; +} + +static int hash_to_json_i(VALUE key, VALUE value, VALUE buf) +{ + VALUE tmp; + + if (key == Qundef) return ST_CONTINUE; + if (RSTRING_LEN(buf) > 1) rb_str_buf_cat2(buf, ","); + tmp = rb_funcall(rb_funcall(key, i_to_s, 0), i_to_json, 0); + Check_Type(tmp, T_STRING); + rb_str_buf_append(buf, tmp); + OBJ_INFECT(buf, tmp); + rb_str_buf_cat2(buf, ":"); + tmp = rb_funcall(value, i_to_json, 0); + Check_Type(tmp, T_STRING); + rb_str_buf_append(buf, tmp); + OBJ_INFECT(buf, tmp); + + return ST_CONTINUE; +} + +/* + * call-seq: to_json(state = nil, depth = 0) + * + * Returns a JSON string containing a JSON object, that is unparsed from + * this Hash instance. + * _state_ is a JSON::State object, that can also be used to configure the + * produced JSON string output further. + * _depth_ is used to find out nesting depth, to indent accordingly. + */ +static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self) +{ + VALUE Vstate, Vdepth, result; + long depth; + + rb_scan_args(argc, argv, "02", &Vstate, &Vdepth); + depth = NIL_P(Vdepth) ? 0 : FIX2LONG(Vdepth); + if (NIL_P(Vstate)) { + long len = RHASH_SIZE(self); + result = rb_str_buf_new(len); + rb_str_buf_cat2(result, "{"); + rb_hash_foreach(self, hash_to_json_i, result); + rb_str_buf_cat2(result, "}"); + } else { + GET_STATE(Vstate); + check_max_nesting(state, depth); + if (state->check_circular) { + VALUE self_id = rb_obj_id(self); + if (RTEST(rb_hash_aref(state->seen, self_id))) { + rb_raise(eCircularDatastructure, + "circular data structures not supported!"); + } + rb_hash_aset(state->seen, self_id, Qtrue); + result = mHash_json_transfrom(self, Vstate, LONG2FIX(depth)); + rb_hash_delete(state->seen, self_id); + } else { + result = mHash_json_transfrom(self, Vstate, LONG2FIX(depth)); + } + } + OBJ_INFECT(result, self); + FORCE_UTF8(result); + return result; +} + +inline static VALUE mArray_json_transfrom(VALUE self, VALUE Vstate, VALUE Vdepth) { + long i, len = RARRAY_LEN(self); + VALUE shift, result; + long depth = NIL_P(Vdepth) ? 0 : FIX2LONG(Vdepth); + VALUE delim = rb_str_new2(","); + GET_STATE(Vstate); + + check_max_nesting(state, depth); + if (state->check_circular) { + VALUE self_id = rb_obj_id(self); + rb_hash_aset(state->seen, self_id, Qtrue); + result = rb_str_buf_new(len); + if (RSTRING_LEN(state->array_nl)) rb_str_append(delim, state->array_nl); + shift = rb_str_times(state->indent, LONG2FIX(depth + 1)); + + rb_str_buf_cat2(result, "["); + OBJ_INFECT(result, self); + rb_str_buf_append(result, state->array_nl); + for (i = 0; i < len; i++) { + VALUE element = RARRAY_PTR(self)[i]; + if (RTEST(rb_hash_aref(state->seen, rb_obj_id(element)))) { + rb_raise(eCircularDatastructure, + "circular data structures not supported!"); + } + OBJ_INFECT(result, element); + if (i > 0) rb_str_buf_append(result, delim); + rb_str_buf_append(result, shift); + element = rb_funcall(element, i_to_json, 2, Vstate, LONG2FIX(depth + 1)); + Check_Type(element, T_STRING); + rb_str_buf_append(result, element); + } + if (RSTRING_LEN(state->array_nl)) { + rb_str_buf_append(result, state->array_nl); + rb_str_buf_append(result, rb_str_times(state->indent, LONG2FIX(depth))); + } + rb_str_buf_cat2(result, "]"); + rb_hash_delete(state->seen, self_id); + } else { + result = rb_str_buf_new(len); + OBJ_INFECT(result, self); + if (RSTRING_LEN(state->array_nl)) rb_str_append(delim, state->array_nl); + shift = rb_str_times(state->indent, LONG2FIX(depth + 1)); + + rb_str_buf_cat2(result, "["); + rb_str_buf_append(result, state->array_nl); + for (i = 0; i < len; i++) { + VALUE element = RARRAY_PTR(self)[i]; + OBJ_INFECT(result, element); + if (i > 0) rb_str_buf_append(result, delim); + rb_str_buf_append(result, shift); + element = rb_funcall(element, i_to_json, 2, Vstate, LONG2FIX(depth + 1)); + Check_Type(element, T_STRING); + rb_str_buf_append(result, element); + } + rb_str_buf_append(result, state->array_nl); + if (RSTRING_LEN(state->array_nl)) { + rb_str_buf_append(result, rb_str_times(state->indent, LONG2FIX(depth))); + } + rb_str_buf_cat2(result, "]"); + } + return result; +} + +/* + * call-seq: to_json(state = nil, depth = 0) + * + * Returns a JSON string containing a JSON array, that is unparsed from + * this Array instance. + * _state_ is a JSON::State object, that can also be used to configure the + * produced JSON string output further. + * _depth_ is used to find out nesting depth, to indent accordingly. + */ +static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self) { + VALUE Vstate, Vdepth, result; + + rb_scan_args(argc, argv, "02", &Vstate, &Vdepth); + if (NIL_P(Vstate)) { + long i, len = RARRAY_LEN(self); + result = rb_str_buf_new(2 + 2 * len); + rb_str_buf_cat2(result, "["); + OBJ_INFECT(result, self); + for (i = 0; i < len; i++) { + VALUE element = RARRAY_PTR(self)[i]; + OBJ_INFECT(result, element); + if (i > 0) rb_str_buf_cat2(result, ","); + element = rb_funcall(element, i_to_json, 0); + Check_Type(element, T_STRING); + rb_str_buf_append(result, element); + } + rb_str_buf_cat2(result, "]"); + } else { + result = mArray_json_transfrom(self, Vstate, Vdepth); + } + OBJ_INFECT(result, self); + FORCE_UTF8(result); + return result; +} + +/* + * call-seq: to_json(*) + * + * Returns a JSON string representation for this Integer number. + */ +static VALUE mInteger_to_json(int argc, VALUE *argv, VALUE self) +{ + VALUE result = rb_funcall(self, i_to_s, 0); + FORCE_UTF8(result); + return result; +} + +/* + * call-seq: to_json(*) + * + * Returns a JSON string representation for this Float number. + */ +static VALUE mFloat_to_json(int argc, VALUE *argv, VALUE self) +{ + JSON_Generator_State *state = NULL; + VALUE Vstate, rest, tmp, result; + double value = RFLOAT_VALUE(self); + rb_scan_args(argc, argv, "01*", &Vstate, &rest); + if (!NIL_P(Vstate)) Data_Get_Struct(Vstate, JSON_Generator_State, state); + if (isinf(value)) { + if (!state || state->allow_nan) { + result = rb_funcall(self, i_to_s, 0); + } else { + tmp = rb_funcall(self, i_to_s, 0); + rb_raise(eGeneratorError, "%u: %s not allowed in JSON", __LINE__, StringValueCStr(tmp)); + } + } else if (isnan(value)) { + if (!state || state->allow_nan) { + result = rb_funcall(self, i_to_s, 0); + } else { + tmp = rb_funcall(self, i_to_s, 0); + rb_raise(eGeneratorError, "%u: %s not allowed in JSON", __LINE__, StringValueCStr(tmp)); + } + } else { + result = rb_funcall(self, i_to_s, 0); + } + FORCE_UTF8(result); + return result; +} + +/* + * call-seq: String.included(modul) + * + * Extends _modul_ with the String::Extend module. + */ +static VALUE mString_included_s(VALUE self, VALUE modul) { + VALUE result = rb_funcall(modul, i_extend, 1, mString_Extend); + FORCE_UTF8(result); + return result; +} + +/* + * call-seq: to_json(*) + * + * This string should be encoded with UTF-8 A call to this method + * returns a JSON string encoded with UTF16 big endian characters as + * \u????. + */ +static VALUE mString_to_json(int argc, VALUE *argv, VALUE self) +{ + VALUE result = rb_str_buf_new(RSTRING_LEN(self)); + rb_str_buf_cat2(result, "\""); + JSON_convert_UTF8_to_JSON(result, self, strictConversion); + rb_str_buf_cat2(result, "\""); + FORCE_UTF8(result); + return result; +} + +/* + * call-seq: to_json_raw_object() + * + * This method creates a raw object hash, that can be nested into + * other data structures and will be unparsed as a raw string. This + * method should be used, if you want to convert raw strings to JSON + * instead of UTF-8 strings, e. g. binary data. + */ +static VALUE mString_to_json_raw_object(VALUE self) { + VALUE ary; + VALUE result = rb_hash_new(); + rb_hash_aset(result, rb_funcall(mJSON, i_create_id, 0), rb_class_name(rb_obj_class(self))); + ary = rb_funcall(self, i_unpack, 1, rb_str_new2("C*")); + rb_hash_aset(result, rb_str_new2("raw"), ary); + FORCE_UTF8(result); + return result; +} + +/* + * call-seq: to_json_raw(*args) + * + * This method creates a JSON text from the result of a call to + * to_json_raw_object of this String. + */ +static VALUE mString_to_json_raw(int argc, VALUE *argv, VALUE self) { + VALUE result, obj = mString_to_json_raw_object(self); + Check_Type(obj, T_HASH); + result = mHash_to_json(argc, argv, obj); + FORCE_UTF8(result); + return result; +} + +/* + * call-seq: json_create(o) + * + * Raw Strings are JSON Objects (the raw bytes are stored in an array for the + * key "raw"). The Ruby String can be created by this module method. + */ +static VALUE mString_Extend_json_create(VALUE self, VALUE o) { + VALUE ary; + Check_Type(o, T_HASH); + ary = rb_hash_aref(o, rb_str_new2("raw")); + return rb_funcall(ary, i_pack, 1, rb_str_new2("C*")); +} + +/* + * call-seq: to_json(*) + * + * Returns a JSON string for true: 'true'. + */ +static VALUE mTrueClass_to_json(int argc, VALUE *argv, VALUE self) +{ + VALUE result = rb_str_new2("true"); + FORCE_UTF8(result); + return result; +} + +/* + * call-seq: to_json(*) + * + * Returns a JSON string for false: 'false'. + */ +static VALUE mFalseClass_to_json(int argc, VALUE *argv, VALUE self) +{ + VALUE result = rb_str_new2("false"); + FORCE_UTF8(result); + return result; +} + +/* + * call-seq: to_json(*) + * + */ +static VALUE mNilClass_to_json(int argc, VALUE *argv, VALUE self) +{ + VALUE result = rb_str_new2("null"); + FORCE_UTF8(result); + return result; +} + +/* + * call-seq: to_json(*) + * + * Converts this object to a string (calling #to_s), converts + * it to a JSON string, and returns the result. This is a fallback, if no + * special method #to_json was defined for some object. + */ +static VALUE mObject_to_json(int argc, VALUE *argv, VALUE self) +{ + VALUE result, string = rb_funcall(self, i_to_s, 0); + Check_Type(string, T_STRING); + result = mString_to_json(argc, argv, string); + FORCE_UTF8(result); + return result; +} + +/* + * Document-class: JSON::Ext::Generator::State + * + * This class is used to create State instances, that are use to hold data + * while generating a JSON text from a a Ruby data structure. + */ + +static void State_mark(JSON_Generator_State *state) +{ + rb_gc_mark_maybe(state->indent); + rb_gc_mark_maybe(state->space); + rb_gc_mark_maybe(state->space_before); + rb_gc_mark_maybe(state->object_nl); + rb_gc_mark_maybe(state->array_nl); + rb_gc_mark_maybe(state->seen); + rb_gc_mark_maybe(state->memo); + rb_gc_mark_maybe(state->depth); +} + +static JSON_Generator_State *State_allocate() +{ + JSON_Generator_State *state = ALLOC(JSON_Generator_State); + return state; +} + +static VALUE cState_s_allocate(VALUE klass) +{ + JSON_Generator_State *state = State_allocate(); + return Data_Wrap_Struct(klass, State_mark, -1, state); +} + +/* + * call-seq: configure(opts) + * + * Configure this State instance with the Hash _opts_, and return + * itself. + */ +static VALUE cState_configure(VALUE self, VALUE opts) +{ + VALUE tmp; + GET_STATE(self); + tmp = rb_convert_type(opts, T_HASH, "Hash", "to_hash"); + if (NIL_P(tmp)) tmp = rb_convert_type(opts, T_HASH, "Hash", "to_h"); + if (NIL_P(tmp)) { + rb_raise(rb_eArgError, "opts has to be hash like or convertable into a hash"); + } + opts = tmp; + tmp = rb_hash_aref(opts, ID2SYM(i_indent)); + if (RTEST(tmp)) { + Check_Type(tmp, T_STRING); + state->indent = tmp; + } + tmp = rb_hash_aref(opts, ID2SYM(i_space)); + if (RTEST(tmp)) { + Check_Type(tmp, T_STRING); + state->space = tmp; + } + tmp = rb_hash_aref(opts, ID2SYM(i_space_before)); + if (RTEST(tmp)) { + Check_Type(tmp, T_STRING); + state->space_before = tmp; + } + tmp = rb_hash_aref(opts, ID2SYM(i_array_nl)); + if (RTEST(tmp)) { + Check_Type(tmp, T_STRING); + state->array_nl = tmp; + } + tmp = rb_hash_aref(opts, ID2SYM(i_object_nl)); + if (RTEST(tmp)) { + Check_Type(tmp, T_STRING); + state->object_nl = tmp; + } + tmp = ID2SYM(i_check_circular); + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + tmp = rb_hash_aref(opts, ID2SYM(i_check_circular)); + state->check_circular = RTEST(tmp); + } else { + state->check_circular = 1; + } + tmp = ID2SYM(i_max_nesting); + state->max_nesting = 19; + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + VALUE max_nesting = rb_hash_aref(opts, tmp); + if (RTEST(max_nesting)) { + Check_Type(max_nesting, T_FIXNUM); + state->max_nesting = FIX2LONG(max_nesting); + } else { + state->max_nesting = 0; + } + } + tmp = rb_hash_aref(opts, ID2SYM(i_allow_nan)); + state->allow_nan = RTEST(tmp); + return self; +} + +/* + * call-seq: to_h + * + * Returns the configuration instance variables as a hash, that can be + * passed to the configure method. + */ +static VALUE cState_to_h(VALUE self) +{ + VALUE result = rb_hash_new(); + GET_STATE(self); + rb_hash_aset(result, ID2SYM(i_indent), state->indent); + rb_hash_aset(result, ID2SYM(i_space), state->space); + rb_hash_aset(result, ID2SYM(i_space_before), state->space_before); + rb_hash_aset(result, ID2SYM(i_object_nl), state->object_nl); + rb_hash_aset(result, ID2SYM(i_array_nl), state->array_nl); + rb_hash_aset(result, ID2SYM(i_check_circular), state->check_circular ? Qtrue : Qfalse); + rb_hash_aset(result, ID2SYM(i_allow_nan), state->allow_nan ? Qtrue : Qfalse); + rb_hash_aset(result, ID2SYM(i_max_nesting), LONG2FIX(state->max_nesting)); + return result; +} + + +/* + * call-seq: new(opts = {}) + * + * Instantiates a new State object, configured by _opts_. + * + * _opts_ can have the following keys: + * + * * *indent*: a string used to indent levels (default: ''), + * * *space*: a string that is put after, a : or , delimiter (default: ''), + * * *space_before*: a string that is put before a : pair delimiter (default: ''), + * * *object_nl*: a string that is put at the end of a JSON object (default: ''), + * * *array_nl*: a string that is put at the end of a JSON array (default: ''), + * * *check_circular*: true if checking for circular data structures + * should be done, false (the default) otherwise. + * * *allow_nan*: true if NaN, Infinity, and -Infinity should be + * generated, otherwise an exception is thrown, if these values are + * encountered. This options defaults to false. + */ +static VALUE cState_initialize(int argc, VALUE *argv, VALUE self) +{ + VALUE opts; + GET_STATE(self); + + rb_scan_args(argc, argv, "01", &opts); + state->indent = rb_str_new2(""); + state->space = rb_str_new2(""); + state->space_before = rb_str_new2(""); + state->array_nl = rb_str_new2(""); + state->object_nl = rb_str_new2(""); + if (NIL_P(opts)) { + state->check_circular = 1; + state->allow_nan = 0; + state->max_nesting = 19; + } else { + cState_configure(self, opts); + } + state->seen = rb_hash_new(); + state->memo = Qnil; + state->depth = INT2FIX(0); + return self; +} + +/* + * call-seq: from_state(opts) + * + * Creates a State object from _opts_, which ought to be Hash to create a + * new State instance configured by _opts_, something else to create an + * unconfigured instance. If _opts_ is a State object, it is just returned. + */ +static VALUE cState_from_state_s(VALUE self, VALUE opts) +{ + if (rb_obj_is_kind_of(opts, self)) { + return opts; + } else if (rb_obj_is_kind_of(opts, rb_cHash)) { + return rb_funcall(self, i_new, 1, opts); + } else { + return rb_funcall(self, i_new, 0); + } +} + +/* + * call-seq: indent() + * + * This string is used to indent levels in the JSON text. + */ +static VALUE cState_indent(VALUE self) +{ + GET_STATE(self); + return state->indent; +} + +/* + * call-seq: indent=(indent) + * + * This string is used to indent levels in the JSON text. + */ +static VALUE cState_indent_set(VALUE self, VALUE indent) +{ + GET_STATE(self); + Check_Type(indent, T_STRING); + return state->indent = indent; +} + +/* + * call-seq: space() + * + * This string is used to insert a space between the tokens in a JSON + * string. + */ +static VALUE cState_space(VALUE self) +{ + GET_STATE(self); + return state->space; +} + +/* + * call-seq: space=(space) + * + * This string is used to insert a space between the tokens in a JSON + * string. + */ +static VALUE cState_space_set(VALUE self, VALUE space) +{ + GET_STATE(self); + Check_Type(space, T_STRING); + return state->space = space; +} + +/* + * call-seq: space_before() + * + * This string is used to insert a space before the ':' in JSON objects. + */ +static VALUE cState_space_before(VALUE self) +{ + GET_STATE(self); + return state->space_before; +} + +/* + * call-seq: space_before=(space_before) + * + * This string is used to insert a space before the ':' in JSON objects. + */ +static VALUE cState_space_before_set(VALUE self, VALUE space_before) +{ + GET_STATE(self); + Check_Type(space_before, T_STRING); + return state->space_before = space_before; +} + +/* + * call-seq: object_nl() + * + * This string is put at the end of a line that holds a JSON object (or + * Hash). + */ +static VALUE cState_object_nl(VALUE self) +{ + GET_STATE(self); + return state->object_nl; +} + +/* + * call-seq: object_nl=(object_nl) + * + * This string is put at the end of a line that holds a JSON object (or + * Hash). + */ +static VALUE cState_object_nl_set(VALUE self, VALUE object_nl) +{ + GET_STATE(self); + Check_Type(object_nl, T_STRING); + return state->object_nl = object_nl; +} + +/* + * call-seq: array_nl() + * + * This string is put at the end of a line that holds a JSON array. + */ +static VALUE cState_array_nl(VALUE self) +{ + GET_STATE(self); + return state->array_nl; +} + +/* + * call-seq: array_nl=(array_nl) + * + * This string is put at the end of a line that holds a JSON array. + */ +static VALUE cState_array_nl_set(VALUE self, VALUE array_nl) +{ + GET_STATE(self); + Check_Type(array_nl, T_STRING); + return state->array_nl = array_nl; +} + +/* + * call-seq: check_circular? + * + * Returns true, if circular data structures should be checked, + * otherwise returns false. + */ +static VALUE cState_check_circular_p(VALUE self) +{ + GET_STATE(self); + return state->check_circular ? Qtrue : Qfalse; +} + +/* + * call-seq: max_nesting + * + * This integer returns the maximum level of data structure nesting in + * the generated JSON, max_nesting = 0 if no maximum is checked. + */ +static VALUE cState_max_nesting(VALUE self) +{ + GET_STATE(self); + return LONG2FIX(state->max_nesting); +} + +/* + * call-seq: max_nesting=(depth) + * + * This sets the maximum level of data structure nesting in the generated JSON + * to the integer depth, max_nesting = 0 if no maximum should be checked. + */ +static VALUE cState_max_nesting_set(VALUE self, VALUE depth) +{ + GET_STATE(self); + Check_Type(depth, T_FIXNUM); + state->max_nesting = FIX2LONG(depth); + return Qnil; +} + +/* + * call-seq: allow_nan? + * + * Returns true, if NaN, Infinity, and -Infinity should be generated, otherwise + * returns false. + */ +static VALUE cState_allow_nan_p(VALUE self) +{ + GET_STATE(self); + return state->allow_nan ? Qtrue : Qfalse; +} + +/* + * call-seq: seen?(object) + * + * Returns _true_, if _object_ was already seen during this generating run. + */ +static VALUE cState_seen_p(VALUE self, VALUE object) +{ + GET_STATE(self); + return rb_hash_aref(state->seen, rb_obj_id(object)); +} + +/* + * call-seq: remember(object) + * + * Remember _object_, to find out if it was already encountered (if a cyclic + * data structure is rendered). + */ +static VALUE cState_remember(VALUE self, VALUE object) +{ + GET_STATE(self); + return rb_hash_aset(state->seen, rb_obj_id(object), Qtrue); +} + +/* + * call-seq: forget(object) + * + * Forget _object_ for this generating run. + */ +static VALUE cState_forget(VALUE self, VALUE object) +{ + GET_STATE(self); + return rb_hash_delete(state->seen, rb_obj_id(object)); +} + +/* + * + */ +void Init_generator() +{ + rb_require("json/common"); + mJSON = rb_define_module("JSON"); + mExt = rb_define_module_under(mJSON, "Ext"); + mGenerator = rb_define_module_under(mExt, "Generator"); + eGeneratorError = rb_path2class("JSON::GeneratorError"); + eCircularDatastructure = rb_path2class("JSON::CircularDatastructure"); + eNestingError = rb_path2class("JSON::NestingError"); + cState = rb_define_class_under(mGenerator, "State", rb_cObject); + rb_define_alloc_func(cState, cState_s_allocate); + rb_define_singleton_method(cState, "from_state", cState_from_state_s, 1); + rb_define_method(cState, "initialize", cState_initialize, -1); + + rb_define_method(cState, "indent", cState_indent, 0); + rb_define_method(cState, "indent=", cState_indent_set, 1); + rb_define_method(cState, "space", cState_space, 0); + rb_define_method(cState, "space=", cState_space_set, 1); + rb_define_method(cState, "space_before", cState_space_before, 0); + rb_define_method(cState, "space_before=", cState_space_before_set, 1); + rb_define_method(cState, "object_nl", cState_object_nl, 0); + rb_define_method(cState, "object_nl=", cState_object_nl_set, 1); + rb_define_method(cState, "array_nl", cState_array_nl, 0); + rb_define_method(cState, "array_nl=", cState_array_nl_set, 1); + rb_define_method(cState, "check_circular?", cState_check_circular_p, 0); + rb_define_method(cState, "max_nesting", cState_max_nesting, 0); + rb_define_method(cState, "max_nesting=", cState_max_nesting_set, 1); + rb_define_method(cState, "allow_nan?", cState_allow_nan_p, 0); + rb_define_method(cState, "seen?", cState_seen_p, 1); + rb_define_method(cState, "remember", cState_remember, 1); + rb_define_method(cState, "forget", cState_forget, 1); + rb_define_method(cState, "configure", cState_configure, 1); + rb_define_method(cState, "to_h", cState_to_h, 0); + + mGeneratorMethods = rb_define_module_under(mGenerator, "GeneratorMethods"); + mObject = rb_define_module_under(mGeneratorMethods, "Object"); + rb_define_method(mObject, "to_json", mObject_to_json, -1); + mHash = rb_define_module_under(mGeneratorMethods, "Hash"); + rb_define_method(mHash, "to_json", mHash_to_json, -1); + mArray = rb_define_module_under(mGeneratorMethods, "Array"); + rb_define_method(mArray, "to_json", mArray_to_json, -1); + mInteger = rb_define_module_under(mGeneratorMethods, "Integer"); + rb_define_method(mInteger, "to_json", mInteger_to_json, -1); + mFloat = rb_define_module_under(mGeneratorMethods, "Float"); + rb_define_method(mFloat, "to_json", mFloat_to_json, -1); + mString = rb_define_module_under(mGeneratorMethods, "String"); + rb_define_singleton_method(mString, "included", mString_included_s, 1); + rb_define_method(mString, "to_json", mString_to_json, -1); + rb_define_method(mString, "to_json_raw", mString_to_json_raw, -1); + rb_define_method(mString, "to_json_raw_object", mString_to_json_raw_object, 0); + mString_Extend = rb_define_module_under(mString, "Extend"); + rb_define_method(mString_Extend, "json_create", mString_Extend_json_create, 1); + mTrueClass = rb_define_module_under(mGeneratorMethods, "TrueClass"); + rb_define_method(mTrueClass, "to_json", mTrueClass_to_json, -1); + mFalseClass = rb_define_module_under(mGeneratorMethods, "FalseClass"); + rb_define_method(mFalseClass, "to_json", mFalseClass_to_json, -1); + mNilClass = rb_define_module_under(mGeneratorMethods, "NilClass"); + rb_define_method(mNilClass, "to_json", mNilClass_to_json, -1); + + i_to_s = rb_intern("to_s"); + i_to_json = rb_intern("to_json"); + i_new = rb_intern("new"); + i_indent = rb_intern("indent"); + i_space = rb_intern("space"); + i_space_before = rb_intern("space_before"); + i_object_nl = rb_intern("object_nl"); + i_array_nl = rb_intern("array_nl"); + i_check_circular = rb_intern("check_circular"); + i_max_nesting = rb_intern("max_nesting"); + i_allow_nan = rb_intern("allow_nan"); + i_pack = rb_intern("pack"); + i_unpack = rb_intern("unpack"); + i_create_id = rb_intern("create_id"); + i_extend = rb_intern("extend"); +} diff --git a/ext/json/ext/generator/unicode.c b/ext/json/ext/generator/unicode.c new file mode 100644 index 0000000000..947e2d6bda --- /dev/null +++ b/ext/json/ext/generator/unicode.c @@ -0,0 +1,180 @@ +#include "unicode.h" + +#define unicode_escape(buffer, character) \ + snprintf(buf, 7, "\\u%04x", (unsigned int) (character)); \ + rb_str_buf_cat(buffer, buf, 6); + +/* + * Copyright 2001-2004 Unicode, Inc. + * + * Disclaimer + * + * This source code is provided as is by Unicode, Inc. No claims are + * made as to fitness for any particular purpose. No warranties of any + * kind are expressed or implied. The recipient agrees to determine + * applicability of information provided. If this file has been + * purchased on magnetic or optical media from Unicode, Inc., the + * sole remedy for any claim will be exchange of defective media + * within 90 days of receipt. + * + * Limitations on Rights to Redistribute This Code + * + * Unicode, Inc. hereby grants the right to freely use the information + * supplied in this file in the creation of products supporting the + * Unicode Standard, and to make copies of this file in any form + * for internal or external distribution as long as this notice + * remains attached. + */ + +/* + * Index into the table below with the first byte of a UTF-8 sequence to + * get the number of trailing bytes that are supposed to follow it. + * Note that *legal* UTF-8 values can't have 4 or 5-bytes. The table is + * left as-is for anyone who may want to do such conversion, which was + * allowed in earlier algorithms. + */ +static const char trailingBytesForUTF8[256] = { + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5 +}; + +/* + * Magic values subtracted from a buffer value during UTF8 conversion. + * This table contains as many values as there might be trailing bytes + * in a UTF-8 sequence. + */ +static const UTF32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL, + 0x03C82080UL, 0xFA082080UL, 0x82082080UL }; + +/* + * Once the bits are split out into bytes of UTF-8, this is a mask OR-ed + * into the first byte, depending on how many bytes follow. There are + * as many entries in this table as there are UTF-8 sequence types. + * (I.e., one byte sequence, two byte... etc.). Remember that sequencs + * for *legal* UTF-8 will be 4 or fewer bytes total. + */ +static const UTF8 firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; + +/* + * Utility routine to tell whether a sequence of bytes is legal UTF-8. + * This must be called with the length pre-determined by the first byte. + * If not calling this from ConvertUTF8to*, then the length can be set by: + * length = trailingBytesForUTF8[*source]+1; + * and the sequence is illegal right away if there aren't that many bytes + * available. + * If presented with a length > 4, this returns 0. The Unicode + * definition of UTF-8 goes up to 4-byte sequences. + */ + +inline static unsigned char isLegalUTF8(const UTF8 *source, int length) +{ + UTF8 a; + const UTF8 *srcptr = source+length; + switch (length) { + default: return 0; + /* Everything else falls through when "1"... */ + case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return 0; + case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return 0; + case 2: if ((a = (*--srcptr)) > 0xBF) return 0; + + switch (*source) { + /* no fall-through in this inner switch */ + case 0xE0: if (a < 0xA0) return 0; break; + case 0xED: if (a > 0x9F) return 0; break; + case 0xF0: if (a < 0x90) return 0; break; + case 0xF4: if (a > 0x8F) return 0; break; + default: if (a < 0x80) return 0; + } + + case 1: if (*source >= 0x80 && *source < 0xC2) return 0; + } + if (*source > 0xF4) return 0; + return 1; +} + +void JSON_convert_UTF8_to_JSON(VALUE buffer, VALUE string, ConversionFlags flags) +{ + char buf[7]; + const UTF8* source = (UTF8 *) RSTRING_PTR(string); + const UTF8* sourceEnd = source + RSTRING_LEN(string); + + while (source < sourceEnd) { + UTF32 ch = 0; + unsigned short extraBytesToRead = trailingBytesForUTF8[*source]; + if (source + extraBytesToRead >= sourceEnd) { + rb_raise(rb_path2class("JSON::GeneratorError"), + "partial character in source, but hit end"); + } + if (!isLegalUTF8(source, extraBytesToRead+1)) { + rb_raise(rb_path2class("JSON::GeneratorError"), + "source sequence is illegal/malformed"); + } + /* + * The cases all fall through. See "Note A" below. + */ + switch (extraBytesToRead) { + case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */ + case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */ + case 3: ch += *source++; ch <<= 6; + case 2: ch += *source++; ch <<= 6; + case 1: ch += *source++; ch <<= 6; + case 0: ch += *source++; + } + ch -= offsetsFromUTF8[extraBytesToRead]; + + if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */ + /* UTF-16 surrogate values are illegal in UTF-32 */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { + if (flags == strictConversion) { + source -= (extraBytesToRead+1); /* return to the illegal value itself */ + rb_raise(rb_path2class("JSON::GeneratorError"), + "source sequence is illegal/malformed"); + } else { + unicode_escape(buffer, UNI_REPLACEMENT_CHAR); + } + } else { + /* normal case */ + if (ch == '"') { + rb_str_buf_cat2(buffer, "\\\""); + } else if (ch == '\\') { + rb_str_buf_cat2(buffer, "\\\\"); + } else if (ch >= 0x20 && ch <= 0x7f) { + rb_str_buf_cat(buffer, (char *) source - 1, 1); + } else if (ch == '\n') { + rb_str_buf_cat2(buffer, "\\n"); + } else if (ch == '\r') { + rb_str_buf_cat2(buffer, "\\r"); + } else if (ch == '\t') { + rb_str_buf_cat2(buffer, "\\t"); + } else if (ch == '\f') { + rb_str_buf_cat2(buffer, "\\f"); + } else if (ch == '\b') { + rb_str_buf_cat2(buffer, "\\b"); + } else if (ch < 0x20) { + unicode_escape(buffer, (UTF16) ch); + } else { + unicode_escape(buffer, (UTF16) ch); + } + } + } else if (ch > UNI_MAX_UTF16) { + if (flags == strictConversion) { + source -= (extraBytesToRead+1); /* return to the start */ + rb_raise(rb_path2class("JSON::GeneratorError"), + "source sequence is illegal/malformed"); + } else { + unicode_escape(buffer, UNI_REPLACEMENT_CHAR); + } + } else { + /* target is a character in range 0xFFFF - 0x10FFFF. */ + ch -= halfBase; + unicode_escape(buffer, (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START)); + unicode_escape(buffer, (UTF16)((ch & halfMask) + UNI_SUR_LOW_START)); + } + } +} diff --git a/ext/json/ext/generator/unicode.h b/ext/json/ext/generator/unicode.h new file mode 100644 index 0000000000..841474bcea --- /dev/null +++ b/ext/json/ext/generator/unicode.h @@ -0,0 +1,53 @@ +#include "ruby.h" + +#ifndef _GENERATOR_UNICODE_H_ +#define _GENERATOR_UNICODE_H_ + +typedef enum { + conversionOK = 0, /* conversion successful */ + sourceExhausted, /* partial character in source, but hit end */ + targetExhausted, /* insuff. room in target for conversion */ + sourceIllegal /* source sequence is illegal/malformed */ +} ConversionResult; + +typedef enum { + strictConversion = 0, + lenientConversion +} ConversionFlags; + +typedef unsigned long UTF32; /* at least 32 bits */ +typedef unsigned short UTF16; /* at least 16 bits */ +typedef unsigned char UTF8; /* typically 8 bits */ + +#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD +#define UNI_MAX_BMP (UTF32)0x0000FFFF +#define UNI_MAX_UTF16 (UTF32)0x0010FFFF +#define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF +#define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF + +#define UNI_SUR_HIGH_START (UTF32)0xD800 +#define UNI_SUR_HIGH_END (UTF32)0xDBFF +#define UNI_SUR_LOW_START (UTF32)0xDC00 +#define UNI_SUR_LOW_END (UTF32)0xDFFF + +static const int halfShift = 10; /* used for shifting by 10 bits */ + +static const UTF32 halfBase = 0x0010000UL; +static const UTF32 halfMask = 0x3FFUL; + +void JSON_convert_UTF8_to_JSON(VALUE buffer, VALUE string, ConversionFlags flags); + +#ifndef RARRAY_PTR +#define RARRAY_PTR(ARRAY) RARRAY(ARRAY)->ptr +#endif +#ifndef RARRAY_LEN +#define RARRAY_LEN(ARRAY) RARRAY(ARRAY)->len +#endif +#ifndef RSTRING_PTR +#define RSTRING_PTR(string) RSTRING(string)->ptr +#endif +#ifndef RSTRING_LEN +#define RSTRING_LEN(string) RSTRING(string)->len +#endif + +#endif diff --git a/ext/json/ext/parser/extconf.rb b/ext/json/ext/parser/extconf.rb new file mode 100644 index 0000000000..e790f6caae --- /dev/null +++ b/ext/json/ext/parser/extconf.rb @@ -0,0 +1,9 @@ +require 'mkmf' +require 'rbconfig' + +if CONFIG['GCC'] == 'yes' + $CFLAGS += ' -Wall' + #$CFLAGS += ' -O0 -ggdb' +end + +create_makefile 'json/ext/parser' diff --git a/ext/json/ext/parser/parser.c b/ext/json/ext/parser/parser.c new file mode 100644 index 0000000000..a71c3b8e98 --- /dev/null +++ b/ext/json/ext/parser/parser.c @@ -0,0 +1,1829 @@ + +#line 1 "parser.rl" +#include "ruby.h" +#include "unicode.h" +#if HAVE_RE_H +#include "re.h" +#endif +#if HAVE_RUBY_ST_H +#include "ruby/st.h" +#endif +#if HAVE_ST_H +#include "st.h" +#endif + +#define EVIL 0x666 + +#ifndef RHASH_TBL +#define RHASH_TBL(hsh) (RHASH(hsh)->tbl) +#endif + +#ifdef HAVE_RUBY_ENCODING_H +#include "ruby/encoding.h" +#define FORCE_UTF8(obj) rb_enc_associate((obj), rb_utf8_encoding()) +#else +#define FORCE_UTF8(obj) +#endif + +static VALUE mJSON, mExt, cParser, eParserError, eNestingError; +static VALUE CNaN, CInfinity, CMinusInfinity; + +static ID i_json_creatable_p, i_json_create, i_create_id, i_create_additions, + i_chr, i_max_nesting, i_allow_nan, i_object_class, i_array_class; + +#define MinusInfinity "-Infinity" + +typedef struct JSON_ParserStruct { + VALUE Vsource; + char *source; + long len; + char *memo; + VALUE create_id; + int max_nesting; + int current_nesting; + int allow_nan; + VALUE object_class; + VALUE array_class; +} JSON_Parser; + +static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result); +static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result); +static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result); +static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result); +static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result); +static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result); + +#define GET_STRUCT \ + JSON_Parser *json; \ + Data_Get_Struct(self, JSON_Parser, json); + + +#line 84 "parser.rl" + + + +#line 66 "parser.c" +static const int JSON_object_start = 1; +static const int JSON_object_first_final = 27; +static const int JSON_object_error = 0; + +static const int JSON_object_en_main = 1; + + +#line 117 "parser.rl" + + +static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + VALUE last_name = Qnil; + VALUE object_class = json->object_class; + + if (json->max_nesting && json->current_nesting > json->max_nesting) { + rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting); + } + + *result = NIL_P(object_class) ? rb_hash_new() : rb_class_new_instance(0, 0, object_class); + + +#line 90 "parser.c" + { + cs = JSON_object_start; + } + +#line 132 "parser.rl" + +#line 97 "parser.c" + { + if ( p == pe ) + goto _test_eof; + switch ( cs ) + { +case 1: + if ( (*p) == 123 ) + goto st2; + goto st0; +st0: +cs = 0; + goto _out; +st2: + if ( ++p == pe ) + goto _test_eof2; +case 2: + switch( (*p) ) { + case 13: goto st2; + case 32: goto st2; + case 34: goto tr2; + case 47: goto st23; + case 125: goto tr4; + } + if ( 9 <= (*p) && (*p) <= 10 ) + goto st2; + goto st0; +tr2: +#line 103 "parser.rl" + { + char *np = JSON_parse_string(json, p, pe, &last_name); + if (np == NULL) { p--; {p++; cs = 3; goto _out;} } else {p = (( np))-1;} + } + goto st3; +st3: + if ( ++p == pe ) + goto _test_eof3; +case 3: +#line 135 "parser.c" + switch( (*p) ) { + case 13: goto st3; + case 32: goto st3; + case 47: goto st4; + case 58: goto st8; + } + if ( 9 <= (*p) && (*p) <= 10 ) + goto st3; + goto st0; +st4: + if ( ++p == pe ) + goto _test_eof4; +case 4: + switch( (*p) ) { + case 42: goto st5; + case 47: goto st7; + } + goto st0; +st5: + if ( ++p == pe ) + goto _test_eof5; +case 5: + if ( (*p) == 42 ) + goto st6; + goto st5; +st6: + if ( ++p == pe ) + goto _test_eof6; +case 6: + switch( (*p) ) { + case 42: goto st6; + case 47: goto st3; + } + goto st5; +st7: + if ( ++p == pe ) + goto _test_eof7; +case 7: + if ( (*p) == 10 ) + goto st3; + goto st7; +st8: + if ( ++p == pe ) + goto _test_eof8; +case 8: + switch( (*p) ) { + case 13: goto st8; + case 32: goto st8; + case 34: goto tr11; + case 45: goto tr11; + case 47: goto st19; + case 73: goto tr11; + case 78: goto tr11; + case 91: goto tr11; + case 102: goto tr11; + case 110: goto tr11; + case 116: goto tr11; + case 123: goto tr11; + } + if ( (*p) > 10 ) { + if ( 48 <= (*p) && (*p) <= 57 ) + goto tr11; + } else if ( (*p) >= 9 ) + goto st8; + goto st0; +tr11: +#line 92 "parser.rl" + { + VALUE v = Qnil; + char *np = JSON_parse_value(json, p, pe, &v); + if (np == NULL) { + p--; {p++; cs = 9; goto _out;} + } else { + rb_hash_aset(*result, last_name, v); + {p = (( np))-1;} + } + } + goto st9; +st9: + if ( ++p == pe ) + goto _test_eof9; +case 9: +#line 218 "parser.c" + switch( (*p) ) { + case 13: goto st9; + case 32: goto st9; + case 44: goto st10; + case 47: goto st15; + case 125: goto tr4; + } + if ( 9 <= (*p) && (*p) <= 10 ) + goto st9; + goto st0; +st10: + if ( ++p == pe ) + goto _test_eof10; +case 10: + switch( (*p) ) { + case 13: goto st10; + case 32: goto st10; + case 34: goto tr2; + case 47: goto st11; + } + if ( 9 <= (*p) && (*p) <= 10 ) + goto st10; + goto st0; +st11: + if ( ++p == pe ) + goto _test_eof11; +case 11: + switch( (*p) ) { + case 42: goto st12; + case 47: goto st14; + } + goto st0; +st12: + if ( ++p == pe ) + goto _test_eof12; +case 12: + if ( (*p) == 42 ) + goto st13; + goto st12; +st13: + if ( ++p == pe ) + goto _test_eof13; +case 13: + switch( (*p) ) { + case 42: goto st13; + case 47: goto st10; + } + goto st12; +st14: + if ( ++p == pe ) + goto _test_eof14; +case 14: + if ( (*p) == 10 ) + goto st10; + goto st14; +st15: + if ( ++p == pe ) + goto _test_eof15; +case 15: + switch( (*p) ) { + case 42: goto st16; + case 47: goto st18; + } + goto st0; +st16: + if ( ++p == pe ) + goto _test_eof16; +case 16: + if ( (*p) == 42 ) + goto st17; + goto st16; +st17: + if ( ++p == pe ) + goto _test_eof17; +case 17: + switch( (*p) ) { + case 42: goto st17; + case 47: goto st9; + } + goto st16; +st18: + if ( ++p == pe ) + goto _test_eof18; +case 18: + if ( (*p) == 10 ) + goto st9; + goto st18; +tr4: +#line 108 "parser.rl" + { p--; {p++; cs = 27; goto _out;} } + goto st27; +st27: + if ( ++p == pe ) + goto _test_eof27; +case 27: +#line 314 "parser.c" + goto st0; +st19: + if ( ++p == pe ) + goto _test_eof19; +case 19: + switch( (*p) ) { + case 42: goto st20; + case 47: goto st22; + } + goto st0; +st20: + if ( ++p == pe ) + goto _test_eof20; +case 20: + if ( (*p) == 42 ) + goto st21; + goto st20; +st21: + if ( ++p == pe ) + goto _test_eof21; +case 21: + switch( (*p) ) { + case 42: goto st21; + case 47: goto st8; + } + goto st20; +st22: + if ( ++p == pe ) + goto _test_eof22; +case 22: + if ( (*p) == 10 ) + goto st8; + goto st22; +st23: + if ( ++p == pe ) + goto _test_eof23; +case 23: + switch( (*p) ) { + case 42: goto st24; + case 47: goto st26; + } + goto st0; +st24: + if ( ++p == pe ) + goto _test_eof24; +case 24: + if ( (*p) == 42 ) + goto st25; + goto st24; +st25: + if ( ++p == pe ) + goto _test_eof25; +case 25: + switch( (*p) ) { + case 42: goto st25; + case 47: goto st2; + } + goto st24; +st26: + if ( ++p == pe ) + goto _test_eof26; +case 26: + if ( (*p) == 10 ) + goto st2; + goto st26; + } + _test_eof2: cs = 2; goto _test_eof; + _test_eof3: cs = 3; goto _test_eof; + _test_eof4: cs = 4; goto _test_eof; + _test_eof5: cs = 5; goto _test_eof; + _test_eof6: cs = 6; goto _test_eof; + _test_eof7: cs = 7; goto _test_eof; + _test_eof8: cs = 8; goto _test_eof; + _test_eof9: cs = 9; goto _test_eof; + _test_eof10: cs = 10; goto _test_eof; + _test_eof11: cs = 11; goto _test_eof; + _test_eof12: cs = 12; goto _test_eof; + _test_eof13: cs = 13; goto _test_eof; + _test_eof14: cs = 14; goto _test_eof; + _test_eof15: cs = 15; goto _test_eof; + _test_eof16: cs = 16; goto _test_eof; + _test_eof17: cs = 17; goto _test_eof; + _test_eof18: cs = 18; goto _test_eof; + _test_eof27: cs = 27; goto _test_eof; + _test_eof19: cs = 19; goto _test_eof; + _test_eof20: cs = 20; goto _test_eof; + _test_eof21: cs = 21; goto _test_eof; + _test_eof22: cs = 22; goto _test_eof; + _test_eof23: cs = 23; goto _test_eof; + _test_eof24: cs = 24; goto _test_eof; + _test_eof25: cs = 25; goto _test_eof; + _test_eof26: cs = 26; goto _test_eof; + + _test_eof: {} + _out: {} + } + +#line 133 "parser.rl" + + if (cs >= JSON_object_first_final) { + if (RTEST(json->create_id)) { + VALUE klassname = rb_hash_aref(*result, json->create_id); + if (!NIL_P(klassname)) { + VALUE klass = rb_path2class(StringValueCStr(klassname)); + if RTEST(rb_funcall(klass, i_json_creatable_p, 0)) { + *result = rb_funcall(klass, i_json_create, 1, *result); + } + } + } + return p + 1; + } else { + return NULL; + } +} + + +#line 431 "parser.c" +static const int JSON_value_start = 1; +static const int JSON_value_first_final = 21; +static const int JSON_value_error = 0; + +static const int JSON_value_en_main = 1; + + +#line 231 "parser.rl" + + +static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + + +#line 447 "parser.c" + { + cs = JSON_value_start; + } + +#line 238 "parser.rl" + +#line 454 "parser.c" + { + if ( p == pe ) + goto _test_eof; + switch ( cs ) + { +case 1: + switch( (*p) ) { + case 34: goto tr0; + case 45: goto tr2; + case 73: goto st2; + case 78: goto st9; + case 91: goto tr5; + case 102: goto st11; + case 110: goto st15; + case 116: goto st18; + case 123: goto tr9; + } + if ( 48 <= (*p) && (*p) <= 57 ) + goto tr2; + goto st0; +st0: +cs = 0; + goto _out; +tr0: +#line 179 "parser.rl" + { + char *np = JSON_parse_string(json, p, pe, result); + if (np == NULL) { p--; {p++; cs = 21; goto _out;} } else {p = (( np))-1;} + } + goto st21; +tr2: +#line 184 "parser.rl" + { + char *np; + if(pe > p + 9 && !strncmp(MinusInfinity, p, 9)) { + if (json->allow_nan) { + *result = CMinusInfinity; + {p = (( p + 10))-1;} + p--; {p++; cs = 21; goto _out;} + } else { + rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); + } + } + np = JSON_parse_float(json, p, pe, result); + if (np != NULL) {p = (( np))-1;} + np = JSON_parse_integer(json, p, pe, result); + if (np != NULL) {p = (( np))-1;} + p--; {p++; cs = 21; goto _out;} + } + goto st21; +tr5: +#line 202 "parser.rl" + { + char *np; + json->current_nesting++; + np = JSON_parse_array(json, p, pe, result); + json->current_nesting--; + if (np == NULL) { p--; {p++; cs = 21; goto _out;} } else {p = (( np))-1;} + } + goto st21; +tr9: +#line 210 "parser.rl" + { + char *np; + json->current_nesting++; + np = JSON_parse_object(json, p, pe, result); + json->current_nesting--; + if (np == NULL) { p--; {p++; cs = 21; goto _out;} } else {p = (( np))-1;} + } + goto st21; +tr16: +#line 172 "parser.rl" + { + if (json->allow_nan) { + *result = CInfinity; + } else { + rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 8); + } + } + goto st21; +tr18: +#line 165 "parser.rl" + { + if (json->allow_nan) { + *result = CNaN; + } else { + rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 2); + } + } + goto st21; +tr22: +#line 159 "parser.rl" + { + *result = Qfalse; + } + goto st21; +tr25: +#line 156 "parser.rl" + { + *result = Qnil; + } + goto st21; +tr28: +#line 162 "parser.rl" + { + *result = Qtrue; + } + goto st21; +st21: + if ( ++p == pe ) + goto _test_eof21; +case 21: +#line 218 "parser.rl" + { p--; {p++; cs = 21; goto _out;} } +#line 569 "parser.c" + goto st0; +st2: + if ( ++p == pe ) + goto _test_eof2; +case 2: + if ( (*p) == 110 ) + goto st3; + goto st0; +st3: + if ( ++p == pe ) + goto _test_eof3; +case 3: + if ( (*p) == 102 ) + goto st4; + goto st0; +st4: + if ( ++p == pe ) + goto _test_eof4; +case 4: + if ( (*p) == 105 ) + goto st5; + goto st0; +st5: + if ( ++p == pe ) + goto _test_eof5; +case 5: + if ( (*p) == 110 ) + goto st6; + goto st0; +st6: + if ( ++p == pe ) + goto _test_eof6; +case 6: + if ( (*p) == 105 ) + goto st7; + goto st0; +st7: + if ( ++p == pe ) + goto _test_eof7; +case 7: + if ( (*p) == 116 ) + goto st8; + goto st0; +st8: + if ( ++p == pe ) + goto _test_eof8; +case 8: + if ( (*p) == 121 ) + goto tr16; + goto st0; +st9: + if ( ++p == pe ) + goto _test_eof9; +case 9: + if ( (*p) == 97 ) + goto st10; + goto st0; +st10: + if ( ++p == pe ) + goto _test_eof10; +case 10: + if ( (*p) == 78 ) + goto tr18; + goto st0; +st11: + if ( ++p == pe ) + goto _test_eof11; +case 11: + if ( (*p) == 97 ) + goto st12; + goto st0; +st12: + if ( ++p == pe ) + goto _test_eof12; +case 12: + if ( (*p) == 108 ) + goto st13; + goto st0; +st13: + if ( ++p == pe ) + goto _test_eof13; +case 13: + if ( (*p) == 115 ) + goto st14; + goto st0; +st14: + if ( ++p == pe ) + goto _test_eof14; +case 14: + if ( (*p) == 101 ) + goto tr22; + goto st0; +st15: + if ( ++p == pe ) + goto _test_eof15; +case 15: + if ( (*p) == 117 ) + goto st16; + goto st0; +st16: + if ( ++p == pe ) + goto _test_eof16; +case 16: + if ( (*p) == 108 ) + goto st17; + goto st0; +st17: + if ( ++p == pe ) + goto _test_eof17; +case 17: + if ( (*p) == 108 ) + goto tr25; + goto st0; +st18: + if ( ++p == pe ) + goto _test_eof18; +case 18: + if ( (*p) == 114 ) + goto st19; + goto st0; +st19: + if ( ++p == pe ) + goto _test_eof19; +case 19: + if ( (*p) == 117 ) + goto st20; + goto st0; +st20: + if ( ++p == pe ) + goto _test_eof20; +case 20: + if ( (*p) == 101 ) + goto tr28; + goto st0; + } + _test_eof21: cs = 21; goto _test_eof; + _test_eof2: cs = 2; goto _test_eof; + _test_eof3: cs = 3; goto _test_eof; + _test_eof4: cs = 4; goto _test_eof; + _test_eof5: cs = 5; goto _test_eof; + _test_eof6: cs = 6; goto _test_eof; + _test_eof7: cs = 7; goto _test_eof; + _test_eof8: cs = 8; goto _test_eof; + _test_eof9: cs = 9; goto _test_eof; + _test_eof10: cs = 10; goto _test_eof; + _test_eof11: cs = 11; goto _test_eof; + _test_eof12: cs = 12; goto _test_eof; + _test_eof13: cs = 13; goto _test_eof; + _test_eof14: cs = 14; goto _test_eof; + _test_eof15: cs = 15; goto _test_eof; + _test_eof16: cs = 16; goto _test_eof; + _test_eof17: cs = 17; goto _test_eof; + _test_eof18: cs = 18; goto _test_eof; + _test_eof19: cs = 19; goto _test_eof; + _test_eof20: cs = 20; goto _test_eof; + + _test_eof: {} + _out: {} + } + +#line 239 "parser.rl" + + if (cs >= JSON_value_first_final) { + return p; + } else { + return NULL; + } +} + + +#line 740 "parser.c" +static const int JSON_integer_start = 1; +static const int JSON_integer_first_final = 5; +static const int JSON_integer_error = 0; + +static const int JSON_integer_en_main = 1; + + +#line 255 "parser.rl" + + +static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + + +#line 756 "parser.c" + { + cs = JSON_integer_start; + } + +#line 262 "parser.rl" + json->memo = p; + +#line 764 "parser.c" + { + if ( p == pe ) + goto _test_eof; + switch ( cs ) + { +case 1: + switch( (*p) ) { + case 45: goto st2; + case 48: goto st3; + } + if ( 49 <= (*p) && (*p) <= 57 ) + goto st4; + goto st0; +st0: +cs = 0; + goto _out; +st2: + if ( ++p == pe ) + goto _test_eof2; +case 2: + if ( (*p) == 48 ) + goto st3; + if ( 49 <= (*p) && (*p) <= 57 ) + goto st4; + goto st0; +st3: + if ( ++p == pe ) + goto _test_eof3; +case 3: + if ( 48 <= (*p) && (*p) <= 57 ) + goto st0; + goto tr4; +tr4: +#line 252 "parser.rl" + { p--; {p++; cs = 5; goto _out;} } + goto st5; +st5: + if ( ++p == pe ) + goto _test_eof5; +case 5: +#line 805 "parser.c" + goto st0; +st4: + if ( ++p == pe ) + goto _test_eof4; +case 4: + if ( 48 <= (*p) && (*p) <= 57 ) + goto st4; + goto tr4; + } + _test_eof2: cs = 2; goto _test_eof; + _test_eof3: cs = 3; goto _test_eof; + _test_eof5: cs = 5; goto _test_eof; + _test_eof4: cs = 4; goto _test_eof; + + _test_eof: {} + _out: {} + } + +#line 264 "parser.rl" + + if (cs >= JSON_integer_first_final) { + long len = p - json->memo; + *result = rb_Integer(rb_str_new(json->memo, len)); + return p + 1; + } else { + return NULL; + } +} + + +#line 836 "parser.c" +static const int JSON_float_start = 1; +static const int JSON_float_first_final = 10; +static const int JSON_float_error = 0; + +static const int JSON_float_en_main = 1; + + +#line 286 "parser.rl" + + +static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + + +#line 852 "parser.c" + { + cs = JSON_float_start; + } + +#line 293 "parser.rl" + json->memo = p; + +#line 860 "parser.c" + { + if ( p == pe ) + goto _test_eof; + switch ( cs ) + { +case 1: + switch( (*p) ) { + case 45: goto st2; + case 48: goto st3; + } + if ( 49 <= (*p) && (*p) <= 57 ) + goto st9; + goto st0; +st0: +cs = 0; + goto _out; +st2: + if ( ++p == pe ) + goto _test_eof2; +case 2: + if ( (*p) == 48 ) + goto st3; + if ( 49 <= (*p) && (*p) <= 57 ) + goto st9; + goto st0; +st3: + if ( ++p == pe ) + goto _test_eof3; +case 3: + switch( (*p) ) { + case 46: goto st4; + case 69: goto st6; + case 101: goto st6; + } + goto st0; +st4: + if ( ++p == pe ) + goto _test_eof4; +case 4: + if ( 48 <= (*p) && (*p) <= 57 ) + goto st5; + goto st0; +st5: + if ( ++p == pe ) + goto _test_eof5; +case 5: + switch( (*p) ) { + case 69: goto st6; + case 101: goto st6; + } + if ( (*p) > 46 ) { + if ( 48 <= (*p) && (*p) <= 57 ) + goto st5; + } else if ( (*p) >= 45 ) + goto st0; + goto tr7; +tr7: +#line 280 "parser.rl" + { p--; {p++; cs = 10; goto _out;} } + goto st10; +st10: + if ( ++p == pe ) + goto _test_eof10; +case 10: +#line 925 "parser.c" + goto st0; +st6: + if ( ++p == pe ) + goto _test_eof6; +case 6: + switch( (*p) ) { + case 43: goto st7; + case 45: goto st7; + } + if ( 48 <= (*p) && (*p) <= 57 ) + goto st8; + goto st0; +st7: + if ( ++p == pe ) + goto _test_eof7; +case 7: + if ( 48 <= (*p) && (*p) <= 57 ) + goto st8; + goto st0; +st8: + if ( ++p == pe ) + goto _test_eof8; +case 8: + switch( (*p) ) { + case 69: goto st0; + case 101: goto st0; + } + if ( (*p) > 46 ) { + if ( 48 <= (*p) && (*p) <= 57 ) + goto st8; + } else if ( (*p) >= 45 ) + goto st0; + goto tr7; +st9: + if ( ++p == pe ) + goto _test_eof9; +case 9: + switch( (*p) ) { + case 46: goto st4; + case 69: goto st6; + case 101: goto st6; + } + if ( 48 <= (*p) && (*p) <= 57 ) + goto st9; + goto st0; + } + _test_eof2: cs = 2; goto _test_eof; + _test_eof3: cs = 3; goto _test_eof; + _test_eof4: cs = 4; goto _test_eof; + _test_eof5: cs = 5; goto _test_eof; + _test_eof10: cs = 10; goto _test_eof; + _test_eof6: cs = 6; goto _test_eof; + _test_eof7: cs = 7; goto _test_eof; + _test_eof8: cs = 8; goto _test_eof; + _test_eof9: cs = 9; goto _test_eof; + + _test_eof: {} + _out: {} + } + +#line 295 "parser.rl" + + if (cs >= JSON_float_first_final) { + long len = p - json->memo; + *result = rb_Float(rb_str_new(json->memo, len)); + return p + 1; + } else { + return NULL; + } +} + + + +#line 999 "parser.c" +static const int JSON_array_start = 1; +static const int JSON_array_first_final = 17; +static const int JSON_array_error = 0; + +static const int JSON_array_en_main = 1; + + +#line 331 "parser.rl" + + +static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + VALUE array_class = json->array_class; + + if (json->max_nesting && json->current_nesting > json->max_nesting) { + rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting); + } + *result = NIL_P(array_class) ? rb_ary_new() : rb_class_new_instance(0, 0, array_class); + + +#line 1021 "parser.c" + { + cs = JSON_array_start; + } + +#line 344 "parser.rl" + +#line 1028 "parser.c" + { + if ( p == pe ) + goto _test_eof; + switch ( cs ) + { +case 1: + if ( (*p) == 91 ) + goto st2; + goto st0; +st0: +cs = 0; + goto _out; +st2: + if ( ++p == pe ) + goto _test_eof2; +case 2: + switch( (*p) ) { + case 13: goto st2; + case 32: goto st2; + case 34: goto tr2; + case 45: goto tr2; + case 47: goto st13; + case 73: goto tr2; + case 78: goto tr2; + case 91: goto tr2; + case 93: goto tr4; + case 102: goto tr2; + case 110: goto tr2; + case 116: goto tr2; + case 123: goto tr2; + } + if ( (*p) > 10 ) { + if ( 48 <= (*p) && (*p) <= 57 ) + goto tr2; + } else if ( (*p) >= 9 ) + goto st2; + goto st0; +tr2: +#line 312 "parser.rl" + { + VALUE v = Qnil; + char *np = JSON_parse_value(json, p, pe, &v); + if (np == NULL) { + p--; {p++; cs = 3; goto _out;} + } else { + rb_ary_push(*result, v); + {p = (( np))-1;} + } + } + goto st3; +st3: + if ( ++p == pe ) + goto _test_eof3; +case 3: +#line 1083 "parser.c" + switch( (*p) ) { + case 13: goto st3; + case 32: goto st3; + case 44: goto st4; + case 47: goto st9; + case 93: goto tr4; + } + if ( 9 <= (*p) && (*p) <= 10 ) + goto st3; + goto st0; +st4: + if ( ++p == pe ) + goto _test_eof4; +case 4: + switch( (*p) ) { + case 13: goto st4; + case 32: goto st4; + case 34: goto tr2; + case 45: goto tr2; + case 47: goto st5; + case 73: goto tr2; + case 78: goto tr2; + case 91: goto tr2; + case 102: goto tr2; + case 110: goto tr2; + case 116: goto tr2; + case 123: goto tr2; + } + if ( (*p) > 10 ) { + if ( 48 <= (*p) && (*p) <= 57 ) + goto tr2; + } else if ( (*p) >= 9 ) + goto st4; + goto st0; +st5: + if ( ++p == pe ) + goto _test_eof5; +case 5: + switch( (*p) ) { + case 42: goto st6; + case 47: goto st8; + } + goto st0; +st6: + if ( ++p == pe ) + goto _test_eof6; +case 6: + if ( (*p) == 42 ) + goto st7; + goto st6; +st7: + if ( ++p == pe ) + goto _test_eof7; +case 7: + switch( (*p) ) { + case 42: goto st7; + case 47: goto st4; + } + goto st6; +st8: + if ( ++p == pe ) + goto _test_eof8; +case 8: + if ( (*p) == 10 ) + goto st4; + goto st8; +st9: + if ( ++p == pe ) + goto _test_eof9; +case 9: + switch( (*p) ) { + case 42: goto st10; + case 47: goto st12; + } + goto st0; +st10: + if ( ++p == pe ) + goto _test_eof10; +case 10: + if ( (*p) == 42 ) + goto st11; + goto st10; +st11: + if ( ++p == pe ) + goto _test_eof11; +case 11: + switch( (*p) ) { + case 42: goto st11; + case 47: goto st3; + } + goto st10; +st12: + if ( ++p == pe ) + goto _test_eof12; +case 12: + if ( (*p) == 10 ) + goto st3; + goto st12; +tr4: +#line 323 "parser.rl" + { p--; {p++; cs = 17; goto _out;} } + goto st17; +st17: + if ( ++p == pe ) + goto _test_eof17; +case 17: +#line 1190 "parser.c" + goto st0; +st13: + if ( ++p == pe ) + goto _test_eof13; +case 13: + switch( (*p) ) { + case 42: goto st14; + case 47: goto st16; + } + goto st0; +st14: + if ( ++p == pe ) + goto _test_eof14; +case 14: + if ( (*p) == 42 ) + goto st15; + goto st14; +st15: + if ( ++p == pe ) + goto _test_eof15; +case 15: + switch( (*p) ) { + case 42: goto st15; + case 47: goto st2; + } + goto st14; +st16: + if ( ++p == pe ) + goto _test_eof16; +case 16: + if ( (*p) == 10 ) + goto st2; + goto st16; + } + _test_eof2: cs = 2; goto _test_eof; + _test_eof3: cs = 3; goto _test_eof; + _test_eof4: cs = 4; goto _test_eof; + _test_eof5: cs = 5; goto _test_eof; + _test_eof6: cs = 6; goto _test_eof; + _test_eof7: cs = 7; goto _test_eof; + _test_eof8: cs = 8; goto _test_eof; + _test_eof9: cs = 9; goto _test_eof; + _test_eof10: cs = 10; goto _test_eof; + _test_eof11: cs = 11; goto _test_eof; + _test_eof12: cs = 12; goto _test_eof; + _test_eof17: cs = 17; goto _test_eof; + _test_eof13: cs = 13; goto _test_eof; + _test_eof14: cs = 14; goto _test_eof; + _test_eof15: cs = 15; goto _test_eof; + _test_eof16: cs = 16; goto _test_eof; + + _test_eof: {} + _out: {} + } + +#line 345 "parser.rl" + + if(cs >= JSON_array_first_final) { + return p + 1; + } else { + rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); + } +} + +static VALUE json_string_unescape(char *p, char *pe) +{ + VALUE result = rb_str_buf_new(pe - p + 1); + + while (p < pe) { + if (*p == '\\') { + p++; + if (p >= pe) return Qnil; /* raise an exception later, \ at end */ + switch (*p) { + case '"': + case '\\': + rb_str_buf_cat(result, p, 1); + p++; + break; + case 'b': + rb_str_buf_cat2(result, "\b"); + p++; + break; + case 'f': + rb_str_buf_cat2(result, "\f"); + p++; + break; + case 'n': + rb_str_buf_cat2(result, "\n"); + p++; + break; + case 'r': + rb_str_buf_cat2(result, "\r"); + p++; + break; + case 't': + rb_str_buf_cat2(result, "\t"); + p++; + break; + case 'u': + if (p > pe - 4) { + return Qnil; + } else { + p = JSON_convert_UTF16_to_UTF8(result, p, pe, strictConversion); + } + break; + default: + rb_str_buf_cat(result, p, 1); + p++; + break; + } + } else { + char *q = p; + while (*q != '\\' && q < pe) q++; + rb_str_buf_cat(result, p, q - p); + p = q; + } + } + return result; +} + + +#line 1312 "parser.c" +static const int JSON_string_start = 1; +static const int JSON_string_first_final = 8; +static const int JSON_string_error = 0; + +static const int JSON_string_en_main = 1; + + +#line 429 "parser.rl" + + +static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + + *result = rb_str_new("", 0); + +#line 1329 "parser.c" + { + cs = JSON_string_start; + } + +#line 437 "parser.rl" + json->memo = p; + +#line 1337 "parser.c" + { + if ( p == pe ) + goto _test_eof; + switch ( cs ) + { +case 1: + if ( (*p) == 34 ) + goto st2; + goto st0; +st0: +cs = 0; + goto _out; +st2: + if ( ++p == pe ) + goto _test_eof2; +case 2: + switch( (*p) ) { + case 34: goto tr2; + case 92: goto st3; + } + if ( 0 <= (*p) && (*p) <= 31 ) + goto st0; + goto st2; +tr2: +#line 415 "parser.rl" + { + *result = json_string_unescape(json->memo + 1, p); + if (NIL_P(*result)) { + p--; + {p++; cs = 8; goto _out;} + } else { + FORCE_UTF8(*result); + {p = (( p + 1))-1;} + } + } +#line 426 "parser.rl" + { p--; {p++; cs = 8; goto _out;} } + goto st8; +st8: + if ( ++p == pe ) + goto _test_eof8; +case 8: +#line 1380 "parser.c" + goto st0; +st3: + if ( ++p == pe ) + goto _test_eof3; +case 3: + if ( (*p) == 117 ) + goto st4; + if ( 0 <= (*p) && (*p) <= 31 ) + goto st0; + goto st2; +st4: + if ( ++p == pe ) + goto _test_eof4; +case 4: + if ( (*p) < 65 ) { + if ( 48 <= (*p) && (*p) <= 57 ) + goto st5; + } else if ( (*p) > 70 ) { + if ( 97 <= (*p) && (*p) <= 102 ) + goto st5; + } else + goto st5; + goto st0; +st5: + if ( ++p == pe ) + goto _test_eof5; +case 5: + if ( (*p) < 65 ) { + if ( 48 <= (*p) && (*p) <= 57 ) + goto st6; + } else if ( (*p) > 70 ) { + if ( 97 <= (*p) && (*p) <= 102 ) + goto st6; + } else + goto st6; + goto st0; +st6: + if ( ++p == pe ) + goto _test_eof6; +case 6: + if ( (*p) < 65 ) { + if ( 48 <= (*p) && (*p) <= 57 ) + goto st7; + } else if ( (*p) > 70 ) { + if ( 97 <= (*p) && (*p) <= 102 ) + goto st7; + } else + goto st7; + goto st0; +st7: + if ( ++p == pe ) + goto _test_eof7; +case 7: + if ( (*p) < 65 ) { + if ( 48 <= (*p) && (*p) <= 57 ) + goto st2; + } else if ( (*p) > 70 ) { + if ( 97 <= (*p) && (*p) <= 102 ) + goto st2; + } else + goto st2; + goto st0; + } + _test_eof2: cs = 2; goto _test_eof; + _test_eof8: cs = 8; goto _test_eof; + _test_eof3: cs = 3; goto _test_eof; + _test_eof4: cs = 4; goto _test_eof; + _test_eof5: cs = 5; goto _test_eof; + _test_eof6: cs = 6; goto _test_eof; + _test_eof7: cs = 7; goto _test_eof; + + _test_eof: {} + _out: {} + } + +#line 439 "parser.rl" + + if (cs >= JSON_string_first_final) { + return p + 1; + } else { + return NULL; + } +} + + + +#line 1467 "parser.c" +static const int JSON_start = 1; +static const int JSON_first_final = 10; +static const int JSON_error = 0; + +static const int JSON_en_main = 1; + + +#line 473 "parser.rl" + + +/* + * Document-class: JSON::Ext::Parser + * + * This is the JSON parser implemented as a C extension. It can be configured + * to be used by setting + * + * JSON.parser = JSON::Ext::Parser + * + * with the method parser= in JSON. + * + */ + +/* + * call-seq: new(source, opts => {}) + * + * Creates a new JSON::Ext::Parser instance for the string _source_. + * + * Creates a new JSON::Ext::Parser instance for the string _source_. + * + * It will be configured by the _opts_ hash. _opts_ can have the following + * keys: + * + * _opts_ can have the following keys: + * * *max_nesting*: The maximum depth of nesting allowed in the parsed data + * structures. Disable depth checking with :max_nesting => false|nil|0, it + * defaults to 19. + * * *allow_nan*: If set to true, allow NaN, Infinity and -Infinity in + * defiance of RFC 4627 to be parsed by the Parser. This option defaults to + * false. + * * *create_additions*: If set to false, the Parser doesn't create + * additions even if a matchin class and create_id was found. This option + * defaults to true. + * * *object_class*: Defaults to Hash + * * *array_class*: Defaults to Array + */ +static VALUE cParser_initialize(int argc, VALUE *argv, VALUE self) +{ + char *ptr; + long len; + VALUE source, opts; + GET_STRUCT; + rb_scan_args(argc, argv, "11", &source, &opts); + source = StringValue(source); + ptr = RSTRING_PTR(source); + len = RSTRING_LEN(source); + if (len < 2) { + rb_raise(eParserError, "A JSON text must at least contain two octets!"); + } + if (!NIL_P(opts)) { + opts = rb_convert_type(opts, T_HASH, "Hash", "to_hash"); + if (NIL_P(opts)) { + rb_raise(rb_eArgError, "opts needs to be like a hash"); + } else { + VALUE tmp = ID2SYM(i_max_nesting); + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + VALUE max_nesting = rb_hash_aref(opts, tmp); + if (RTEST(max_nesting)) { + Check_Type(max_nesting, T_FIXNUM); + json->max_nesting = FIX2INT(max_nesting); + } else { + json->max_nesting = 0; + } + } else { + json->max_nesting = 19; + } + tmp = ID2SYM(i_allow_nan); + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + VALUE allow_nan = rb_hash_aref(opts, tmp); + json->allow_nan = RTEST(allow_nan) ? 1 : 0; + } else { + json->allow_nan = 0; + } + tmp = ID2SYM(i_create_additions); + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + VALUE create_additions = rb_hash_aref(opts, tmp); + if (RTEST(create_additions)) { + json->create_id = rb_funcall(mJSON, i_create_id, 0); + } else { + json->create_id = Qnil; + } + } else { + json->create_id = rb_funcall(mJSON, i_create_id, 0); + } + tmp = ID2SYM(i_object_class); + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + json->object_class = rb_hash_aref(opts, tmp); + } else { + json->object_class = Qnil; + } + tmp = ID2SYM(i_array_class); + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + json->array_class = rb_hash_aref(opts, tmp); + } else { + json->array_class = Qnil; + } + } + } else { + json->max_nesting = 19; + json->allow_nan = 0; + json->create_id = rb_funcall(mJSON, i_create_id, 0); + json->object_class = Qnil; + json->array_class = Qnil; + } + json->current_nesting = 0; + /* + Convert these? + if (len >= 4 && ptr[0] == 0 && ptr[1] == 0 && ptr[2] == 0) { + rb_raise(eParserError, "Only UTF8 octet streams are supported atm!"); + } else if (len >= 4 && ptr[0] == 0 && ptr[2] == 0) { + rb_raise(eParserError, "Only UTF8 octet streams are supported atm!"); + } else if (len >= 4 && ptr[1] == 0 && ptr[2] == 0 && ptr[3] == 0) { + rb_raise(eParserError, "Only UTF8 octet streams are supported atm!"); + } else if (len >= 4 && ptr[1] == 0 && ptr[3] == 0) { + rb_raise(eParserError, "Only UTF8 octet streams are supported atm!"); + } + */ + json->len = len; + json->source = ptr; + json->Vsource = source; + return self; +} + +/* + * call-seq: parse() + * + * Parses the current JSON text _source_ and returns the complete data + * structure as a result. + */ +static VALUE cParser_parse(VALUE self) +{ + char *p, *pe; + int cs = EVIL; + VALUE result = Qnil; + GET_STRUCT; + + +#line 1614 "parser.c" + { + cs = JSON_start; + } + +#line 611 "parser.rl" + p = json->source; + pe = p + json->len; + +#line 1623 "parser.c" + { + if ( p == pe ) + goto _test_eof; + switch ( cs ) + { +st1: + if ( ++p == pe ) + goto _test_eof1; +case 1: + switch( (*p) ) { + case 13: goto st1; + case 32: goto st1; + case 47: goto st2; + case 91: goto tr3; + case 123: goto tr4; + } + if ( 9 <= (*p) && (*p) <= 10 ) + goto st1; + goto st0; +st0: +cs = 0; + goto _out; +st2: + if ( ++p == pe ) + goto _test_eof2; +case 2: + switch( (*p) ) { + case 42: goto st3; + case 47: goto st5; + } + goto st0; +st3: + if ( ++p == pe ) + goto _test_eof3; +case 3: + if ( (*p) == 42 ) + goto st4; + goto st3; +st4: + if ( ++p == pe ) + goto _test_eof4; +case 4: + switch( (*p) ) { + case 42: goto st4; + case 47: goto st1; + } + goto st3; +st5: + if ( ++p == pe ) + goto _test_eof5; +case 5: + if ( (*p) == 10 ) + goto st1; + goto st5; +tr3: +#line 462 "parser.rl" + { + char *np; + json->current_nesting = 1; + np = JSON_parse_array(json, p, pe, &result); + if (np == NULL) { p--; {p++; cs = 10; goto _out;} } else {p = (( np))-1;} + } + goto st10; +tr4: +#line 455 "parser.rl" + { + char *np; + json->current_nesting = 1; + np = JSON_parse_object(json, p, pe, &result); + if (np == NULL) { p--; {p++; cs = 10; goto _out;} } else {p = (( np))-1;} + } + goto st10; +st10: + if ( ++p == pe ) + goto _test_eof10; +case 10: +#line 1700 "parser.c" + switch( (*p) ) { + case 13: goto st10; + case 32: goto st10; + case 47: goto st6; + } + if ( 9 <= (*p) && (*p) <= 10 ) + goto st10; + goto st0; +st6: + if ( ++p == pe ) + goto _test_eof6; +case 6: + switch( (*p) ) { + case 42: goto st7; + case 47: goto st9; + } + goto st0; +st7: + if ( ++p == pe ) + goto _test_eof7; +case 7: + if ( (*p) == 42 ) + goto st8; + goto st7; +st8: + if ( ++p == pe ) + goto _test_eof8; +case 8: + switch( (*p) ) { + case 42: goto st8; + case 47: goto st10; + } + goto st7; +st9: + if ( ++p == pe ) + goto _test_eof9; +case 9: + if ( (*p) == 10 ) + goto st10; + goto st9; + } + _test_eof1: cs = 1; goto _test_eof; + _test_eof2: cs = 2; goto _test_eof; + _test_eof3: cs = 3; goto _test_eof; + _test_eof4: cs = 4; goto _test_eof; + _test_eof5: cs = 5; goto _test_eof; + _test_eof10: cs = 10; goto _test_eof; + _test_eof6: cs = 6; goto _test_eof; + _test_eof7: cs = 7; goto _test_eof; + _test_eof8: cs = 8; goto _test_eof; + _test_eof9: cs = 9; goto _test_eof; + + _test_eof: {} + _out: {} + } + +#line 614 "parser.rl" + + if (cs >= JSON_first_final && p == pe) { + return result; + } else { + rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); + } +} + +inline static JSON_Parser *JSON_allocate() +{ + JSON_Parser *json = ALLOC(JSON_Parser); + MEMZERO(json, JSON_Parser, 1); + return json; +} + +static void JSON_mark(JSON_Parser *json) +{ + rb_gc_mark_maybe(json->Vsource); + rb_gc_mark_maybe(json->create_id); + rb_gc_mark_maybe(json->object_class); + rb_gc_mark_maybe(json->array_class); +} + +static void JSON_free(JSON_Parser *json) +{ + ruby_xfree(json); +} + +static VALUE cJSON_parser_s_allocate(VALUE klass) +{ + JSON_Parser *json = JSON_allocate(); + return Data_Wrap_Struct(klass, JSON_mark, JSON_free, json); +} + +/* + * call-seq: source() + * + * Returns a copy of the current _source_ string, that was used to construct + * this Parser. + */ +static VALUE cParser_source(VALUE self) +{ + GET_STRUCT; + return rb_str_dup(json->Vsource); +} + +void Init_parser() +{ + rb_require("json/common"); + mJSON = rb_define_module("JSON"); + mExt = rb_define_module_under(mJSON, "Ext"); + cParser = rb_define_class_under(mExt, "Parser", rb_cObject); + eParserError = rb_path2class("JSON::ParserError"); + eNestingError = rb_path2class("JSON::NestingError"); + rb_define_alloc_func(cParser, cJSON_parser_s_allocate); + rb_define_method(cParser, "initialize", cParser_initialize, -1); + rb_define_method(cParser, "parse", cParser_parse, 0); + rb_define_method(cParser, "source", cParser_source, 0); + + CNaN = rb_const_get(mJSON, rb_intern("NaN")); + CInfinity = rb_const_get(mJSON, rb_intern("Infinity")); + CMinusInfinity = rb_const_get(mJSON, rb_intern("MinusInfinity")); + + i_json_creatable_p = rb_intern("json_creatable?"); + i_json_create = rb_intern("json_create"); + i_create_id = rb_intern("create_id"); + i_create_additions = rb_intern("create_additions"); + i_chr = rb_intern("chr"); + i_max_nesting = rb_intern("max_nesting"); + i_allow_nan = rb_intern("allow_nan"); + i_object_class = rb_intern("object_class"); + i_array_class = rb_intern("array_class"); +} diff --git a/ext/json/ext/parser/parser.rl b/ext/json/ext/parser/parser.rl new file mode 100644 index 0000000000..3f180c4ec9 --- /dev/null +++ b/ext/json/ext/parser/parser.rl @@ -0,0 +1,686 @@ +#include "ruby.h" +#include "unicode.h" +#if HAVE_RE_H +#include "re.h" +#endif +#if HAVE_RUBY_ST_H +#include "ruby/st.h" +#endif +#if HAVE_ST_H +#include "st.h" +#endif + +#define EVIL 0x666 + +#ifndef RHASH_TBL +#define RHASH_TBL(hsh) (RHASH(hsh)->tbl) +#endif + +#ifdef HAVE_RUBY_ENCODING_H +#include "ruby/encoding.h" +#define FORCE_UTF8(obj) rb_enc_associate((obj), rb_utf8_encoding()) +#else +#define FORCE_UTF8(obj) +#endif + +static VALUE mJSON, mExt, cParser, eParserError, eNestingError; +static VALUE CNaN, CInfinity, CMinusInfinity; + +static ID i_json_creatable_p, i_json_create, i_create_id, i_create_additions, + i_chr, i_max_nesting, i_allow_nan, i_object_class, i_array_class; + +#define MinusInfinity "-Infinity" + +typedef struct JSON_ParserStruct { + VALUE Vsource; + char *source; + long len; + char *memo; + VALUE create_id; + int max_nesting; + int current_nesting; + int allow_nan; + VALUE object_class; + VALUE array_class; +} JSON_Parser; + +static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result); +static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result); +static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result); +static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result); +static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result); +static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result); + +#define GET_STRUCT \ + JSON_Parser *json; \ + Data_Get_Struct(self, JSON_Parser, json); + +%%{ + machine JSON_common; + + cr = '\n'; + cr_neg = [^\n]; + ws = [ \t\r\n]; + c_comment = '/*' ( any* - (any* '*/' any* ) ) '*/'; + cpp_comment = '//' cr_neg* cr; + comment = c_comment | cpp_comment; + ignore = ws | comment; + name_separator = ':'; + value_separator = ','; + Vnull = 'null'; + Vfalse = 'false'; + Vtrue = 'true'; + VNaN = 'NaN'; + VInfinity = 'Infinity'; + VMinusInfinity = '-Infinity'; + begin_value = [nft"\-[{NI] | digit; + begin_object = '{'; + end_object = '}'; + begin_array = '['; + end_array = ']'; + begin_string = '"'; + begin_name = begin_string; + begin_number = digit | '-'; +}%% + +%%{ + machine JSON_object; + include JSON_common; + + write data; + + action parse_value { + VALUE v = Qnil; + char *np = JSON_parse_value(json, fpc, pe, &v); + if (np == NULL) { + fhold; fbreak; + } else { + rb_hash_aset(*result, last_name, v); + fexec np; + } + } + + action parse_name { + char *np = JSON_parse_string(json, fpc, pe, &last_name); + if (np == NULL) { fhold; fbreak; } else fexec np; + } + + action exit { fhold; fbreak; } + + a_pair = ignore* begin_name >parse_name + ignore* name_separator ignore* + begin_value >parse_value; + + main := begin_object + (a_pair (ignore* value_separator a_pair)*)? + ignore* end_object @exit; +}%% + +static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + VALUE last_name = Qnil; + VALUE object_class = json->object_class; + + if (json->max_nesting && json->current_nesting > json->max_nesting) { + rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting); + } + + *result = NIL_P(object_class) ? rb_hash_new() : rb_class_new_instance(0, 0, object_class); + + %% write init; + %% write exec; + + if (cs >= JSON_object_first_final) { + if (RTEST(json->create_id)) { + VALUE klassname = rb_hash_aref(*result, json->create_id); + if (!NIL_P(klassname)) { + VALUE klass = rb_path2class(StringValueCStr(klassname)); + if RTEST(rb_funcall(klass, i_json_creatable_p, 0)) { + *result = rb_funcall(klass, i_json_create, 1, *result); + } + } + } + return p + 1; + } else { + return NULL; + } +} + +%%{ + machine JSON_value; + include JSON_common; + + write data; + + action parse_null { + *result = Qnil; + } + action parse_false { + *result = Qfalse; + } + action parse_true { + *result = Qtrue; + } + action parse_nan { + if (json->allow_nan) { + *result = CNaN; + } else { + rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 2); + } + } + action parse_infinity { + if (json->allow_nan) { + *result = CInfinity; + } else { + rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 8); + } + } + action parse_string { + char *np = JSON_parse_string(json, fpc, pe, result); + if (np == NULL) { fhold; fbreak; } else fexec np; + } + + action parse_number { + char *np; + if(pe > fpc + 9 && !strncmp(MinusInfinity, fpc, 9)) { + if (json->allow_nan) { + *result = CMinusInfinity; + fexec p + 10; + fhold; fbreak; + } else { + rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); + } + } + np = JSON_parse_float(json, fpc, pe, result); + if (np != NULL) fexec np; + np = JSON_parse_integer(json, fpc, pe, result); + if (np != NULL) fexec np; + fhold; fbreak; + } + + action parse_array { + char *np; + json->current_nesting++; + np = JSON_parse_array(json, fpc, pe, result); + json->current_nesting--; + if (np == NULL) { fhold; fbreak; } else fexec np; + } + + action parse_object { + char *np; + json->current_nesting++; + np = JSON_parse_object(json, fpc, pe, result); + json->current_nesting--; + if (np == NULL) { fhold; fbreak; } else fexec np; + } + + action exit { fhold; fbreak; } + +main := ( + Vnull @parse_null | + Vfalse @parse_false | + Vtrue @parse_true | + VNaN @parse_nan | + VInfinity @parse_infinity | + begin_number >parse_number | + begin_string >parse_string | + begin_array >parse_array | + begin_object >parse_object + ) %*exit; +}%% + +static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + + %% write init; + %% write exec; + + if (cs >= JSON_value_first_final) { + return p; + } else { + return NULL; + } +} + +%%{ + machine JSON_integer; + + write data; + + action exit { fhold; fbreak; } + + main := '-'? ('0' | [1-9][0-9]*) (^[0-9] @exit); +}%% + +static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + + %% write init; + json->memo = p; + %% write exec; + + if (cs >= JSON_integer_first_final) { + long len = p - json->memo; + *result = rb_Integer(rb_str_new(json->memo, len)); + return p + 1; + } else { + return NULL; + } +} + +%%{ + machine JSON_float; + include JSON_common; + + write data; + + action exit { fhold; fbreak; } + + main := '-'? ( + (('0' | [1-9][0-9]*) '.' [0-9]+ ([Ee] [+\-]?[0-9]+)?) + | (('0' | [1-9][0-9]*) ([Ee] [+\-]?[0-9]+)) + ) (^[0-9Ee.\-] @exit ); +}%% + +static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + + %% write init; + json->memo = p; + %% write exec; + + if (cs >= JSON_float_first_final) { + long len = p - json->memo; + *result = rb_Float(rb_str_new(json->memo, len)); + return p + 1; + } else { + return NULL; + } +} + + +%%{ + machine JSON_array; + include JSON_common; + + write data; + + action parse_value { + VALUE v = Qnil; + char *np = JSON_parse_value(json, fpc, pe, &v); + if (np == NULL) { + fhold; fbreak; + } else { + rb_ary_push(*result, v); + fexec np; + } + } + + action exit { fhold; fbreak; } + + next_element = value_separator ignore* begin_value >parse_value; + + main := begin_array ignore* + ((begin_value >parse_value ignore*) + (ignore* next_element ignore*)*)? + end_array @exit; +}%% + +static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + VALUE array_class = json->array_class; + + if (json->max_nesting && json->current_nesting > json->max_nesting) { + rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting); + } + *result = NIL_P(array_class) ? rb_ary_new() : rb_class_new_instance(0, 0, array_class); + + %% write init; + %% write exec; + + if(cs >= JSON_array_first_final) { + return p + 1; + } else { + rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); + } +} + +static VALUE json_string_unescape(char *p, char *pe) +{ + VALUE result = rb_str_buf_new(pe - p + 1); + + while (p < pe) { + if (*p == '\\') { + p++; + if (p >= pe) return Qnil; /* raise an exception later, \ at end */ + switch (*p) { + case '"': + case '\\': + rb_str_buf_cat(result, p, 1); + p++; + break; + case 'b': + rb_str_buf_cat2(result, "\b"); + p++; + break; + case 'f': + rb_str_buf_cat2(result, "\f"); + p++; + break; + case 'n': + rb_str_buf_cat2(result, "\n"); + p++; + break; + case 'r': + rb_str_buf_cat2(result, "\r"); + p++; + break; + case 't': + rb_str_buf_cat2(result, "\t"); + p++; + break; + case 'u': + if (p > pe - 4) { + return Qnil; + } else { + p = JSON_convert_UTF16_to_UTF8(result, p, pe, strictConversion); + } + break; + default: + rb_str_buf_cat(result, p, 1); + p++; + break; + } + } else { + char *q = p; + while (*q != '\\' && q < pe) q++; + rb_str_buf_cat(result, p, q - p); + p = q; + } + } + return result; +} + +%%{ + machine JSON_string; + include JSON_common; + + write data; + + action parse_string { + *result = json_string_unescape(json->memo + 1, p); + if (NIL_P(*result)) { + fhold; + fbreak; + } else { + FORCE_UTF8(*result); + fexec p + 1; + } + } + + action exit { fhold; fbreak; } + + main := '"' ((^(["\\] | 0..0x1f) | '\\'["\\/bfnrt] | '\\u'[0-9a-fA-F]{4} | '\\'^(["\\/bfnrtu]|0..0x1f))* %parse_string) '"' @exit; +}%% + +static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result) +{ + int cs = EVIL; + + *result = rb_str_new("", 0); + %% write init; + json->memo = p; + %% write exec; + + if (cs >= JSON_string_first_final) { + return p + 1; + } else { + return NULL; + } +} + + +%%{ + machine JSON; + + write data; + + include JSON_common; + + action parse_object { + char *np; + json->current_nesting = 1; + np = JSON_parse_object(json, fpc, pe, &result); + if (np == NULL) { fhold; fbreak; } else fexec np; + } + + action parse_array { + char *np; + json->current_nesting = 1; + np = JSON_parse_array(json, fpc, pe, &result); + if (np == NULL) { fhold; fbreak; } else fexec np; + } + + main := ignore* ( + begin_object >parse_object | + begin_array >parse_array + ) ignore*; +}%% + +/* + * Document-class: JSON::Ext::Parser + * + * This is the JSON parser implemented as a C extension. It can be configured + * to be used by setting + * + * JSON.parser = JSON::Ext::Parser + * + * with the method parser= in JSON. + * + */ + +/* + * call-seq: new(source, opts => {}) + * + * Creates a new JSON::Ext::Parser instance for the string _source_. + * + * Creates a new JSON::Ext::Parser instance for the string _source_. + * + * It will be configured by the _opts_ hash. _opts_ can have the following + * keys: + * + * _opts_ can have the following keys: + * * *max_nesting*: The maximum depth of nesting allowed in the parsed data + * structures. Disable depth checking with :max_nesting => false|nil|0, it + * defaults to 19. + * * *allow_nan*: If set to true, allow NaN, Infinity and -Infinity in + * defiance of RFC 4627 to be parsed by the Parser. This option defaults to + * false. + * * *create_additions*: If set to false, the Parser doesn't create + * additions even if a matchin class and create_id was found. This option + * defaults to true. + * * *object_class*: Defaults to Hash + * * *array_class*: Defaults to Array + */ +static VALUE cParser_initialize(int argc, VALUE *argv, VALUE self) +{ + char *ptr; + long len; + VALUE source, opts; + GET_STRUCT; + rb_scan_args(argc, argv, "11", &source, &opts); + source = StringValue(source); + ptr = RSTRING_PTR(source); + len = RSTRING_LEN(source); + if (len < 2) { + rb_raise(eParserError, "A JSON text must at least contain two octets!"); + } + if (!NIL_P(opts)) { + opts = rb_convert_type(opts, T_HASH, "Hash", "to_hash"); + if (NIL_P(opts)) { + rb_raise(rb_eArgError, "opts needs to be like a hash"); + } else { + VALUE tmp = ID2SYM(i_max_nesting); + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + VALUE max_nesting = rb_hash_aref(opts, tmp); + if (RTEST(max_nesting)) { + Check_Type(max_nesting, T_FIXNUM); + json->max_nesting = FIX2INT(max_nesting); + } else { + json->max_nesting = 0; + } + } else { + json->max_nesting = 19; + } + tmp = ID2SYM(i_allow_nan); + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + VALUE allow_nan = rb_hash_aref(opts, tmp); + json->allow_nan = RTEST(allow_nan) ? 1 : 0; + } else { + json->allow_nan = 0; + } + tmp = ID2SYM(i_create_additions); + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + VALUE create_additions = rb_hash_aref(opts, tmp); + if (RTEST(create_additions)) { + json->create_id = rb_funcall(mJSON, i_create_id, 0); + } else { + json->create_id = Qnil; + } + } else { + json->create_id = rb_funcall(mJSON, i_create_id, 0); + } + tmp = ID2SYM(i_object_class); + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + json->object_class = rb_hash_aref(opts, tmp); + } else { + json->object_class = Qnil; + } + tmp = ID2SYM(i_array_class); + if (st_lookup(RHASH_TBL(opts), tmp, 0)) { + json->array_class = rb_hash_aref(opts, tmp); + } else { + json->array_class = Qnil; + } + } + } else { + json->max_nesting = 19; + json->allow_nan = 0; + json->create_id = rb_funcall(mJSON, i_create_id, 0); + json->object_class = Qnil; + json->array_class = Qnil; + } + json->current_nesting = 0; + /* + Convert these? + if (len >= 4 && ptr[0] == 0 && ptr[1] == 0 && ptr[2] == 0) { + rb_raise(eParserError, "Only UTF8 octet streams are supported atm!"); + } else if (len >= 4 && ptr[0] == 0 && ptr[2] == 0) { + rb_raise(eParserError, "Only UTF8 octet streams are supported atm!"); + } else if (len >= 4 && ptr[1] == 0 && ptr[2] == 0 && ptr[3] == 0) { + rb_raise(eParserError, "Only UTF8 octet streams are supported atm!"); + } else if (len >= 4 && ptr[1] == 0 && ptr[3] == 0) { + rb_raise(eParserError, "Only UTF8 octet streams are supported atm!"); + } + */ + json->len = len; + json->source = ptr; + json->Vsource = source; + return self; +} + +/* + * call-seq: parse() + * + * Parses the current JSON text _source_ and returns the complete data + * structure as a result. + */ +static VALUE cParser_parse(VALUE self) +{ + char *p, *pe; + int cs = EVIL; + VALUE result = Qnil; + GET_STRUCT; + + %% write init; + p = json->source; + pe = p + json->len; + %% write exec; + + if (cs >= JSON_first_final && p == pe) { + return result; + } else { + rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); + } +} + +inline static JSON_Parser *JSON_allocate() +{ + JSON_Parser *json = ALLOC(JSON_Parser); + MEMZERO(json, JSON_Parser, 1); + return json; +} + +static void JSON_mark(JSON_Parser *json) +{ + rb_gc_mark_maybe(json->Vsource); + rb_gc_mark_maybe(json->create_id); + rb_gc_mark_maybe(json->object_class); + rb_gc_mark_maybe(json->array_class); +} + +static void JSON_free(JSON_Parser *json) +{ + ruby_xfree(json); +} + +static VALUE cJSON_parser_s_allocate(VALUE klass) +{ + JSON_Parser *json = JSON_allocate(); + return Data_Wrap_Struct(klass, JSON_mark, JSON_free, json); +} + +/* + * call-seq: source() + * + * Returns a copy of the current _source_ string, that was used to construct + * this Parser. + */ +static VALUE cParser_source(VALUE self) +{ + GET_STRUCT; + return rb_str_dup(json->Vsource); +} + +void Init_parser() +{ + rb_require("json/common"); + mJSON = rb_define_module("JSON"); + mExt = rb_define_module_under(mJSON, "Ext"); + cParser = rb_define_class_under(mExt, "Parser", rb_cObject); + eParserError = rb_path2class("JSON::ParserError"); + eNestingError = rb_path2class("JSON::NestingError"); + rb_define_alloc_func(cParser, cJSON_parser_s_allocate); + rb_define_method(cParser, "initialize", cParser_initialize, -1); + rb_define_method(cParser, "parse", cParser_parse, 0); + rb_define_method(cParser, "source", cParser_source, 0); + + CNaN = rb_const_get(mJSON, rb_intern("NaN")); + CInfinity = rb_const_get(mJSON, rb_intern("Infinity")); + CMinusInfinity = rb_const_get(mJSON, rb_intern("MinusInfinity")); + + i_json_creatable_p = rb_intern("json_creatable?"); + i_json_create = rb_intern("json_create"); + i_create_id = rb_intern("create_id"); + i_create_additions = rb_intern("create_additions"); + i_chr = rb_intern("chr"); + i_max_nesting = rb_intern("max_nesting"); + i_allow_nan = rb_intern("allow_nan"); + i_object_class = rb_intern("object_class"); + i_array_class = rb_intern("array_class"); +} diff --git a/ext/json/ext/parser/unicode.c b/ext/json/ext/parser/unicode.c new file mode 100644 index 0000000000..1af2878476 --- /dev/null +++ b/ext/json/ext/parser/unicode.c @@ -0,0 +1,154 @@ +#include "unicode.h" + +/* + * Copyright 2001-2004 Unicode, Inc. + * + * Disclaimer + * + * This source code is provided as is by Unicode, Inc. No claims are + * made as to fitness for any particular purpose. No warranties of any + * kind are expressed or implied. The recipient agrees to determine + * applicability of information provided. If this file has been + * purchased on magnetic or optical media from Unicode, Inc., the + * sole remedy for any claim will be exchange of defective media + * within 90 days of receipt. + * + * Limitations on Rights to Redistribute This Code + * + * Unicode, Inc. hereby grants the right to freely use the information + * supplied in this file in the creation of products supporting the + * Unicode Standard, and to make copies of this file in any form + * for internal or external distribution as long as this notice + * remains attached. + */ + +/* + * Index into the table below with the first byte of a UTF-8 sequence to + * get the number of trailing bytes that are supposed to follow it. + * Note that *legal* UTF-8 values can't have 4 or 5-bytes. The table is + * left as-is for anyone who may want to do such conversion, which was + * allowed in earlier algorithms. + */ +static const char trailingBytesForUTF8[256] = { + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5 +}; + +/* + * Magic values subtracted from a buffer value during UTF8 conversion. + * This table contains as many values as there might be trailing bytes + * in a UTF-8 sequence. + */ +static const UTF32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL, + 0x03C82080UL, 0xFA082080UL, 0x82082080UL }; + +/* + * Once the bits are split out into bytes of UTF-8, this is a mask OR-ed + * into the first byte, depending on how many bytes follow. There are + * as many entries in this table as there are UTF-8 sequence types. + * (I.e., one byte sequence, two byte... etc.). Remember that sequencs + * for *legal* UTF-8 will be 4 or fewer bytes total. + */ +static const UTF8 firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; + +char *JSON_convert_UTF16_to_UTF8 ( + VALUE buffer, + char *source, + char *sourceEnd, + ConversionFlags flags) +{ + UTF16 *tmp, *tmpPtr, *tmpEnd; + char buf[5]; + long n = 0, i; + char *p = source - 1; + + while (p < sourceEnd && p[0] == '\\' && p[1] == 'u') { + p += 6; + n++; + } + p = source + 1; + buf[4] = 0; + tmpPtr = tmp = ALLOC_N(UTF16, n); + tmpEnd = tmp + n; + for (i = 0; i < n; i++) { + buf[0] = *p++; + buf[1] = *p++; + buf[2] = *p++; + buf[3] = *p++; + tmpPtr[i] = (UTF16)strtol(buf, NULL, 16); + p += 2; + } + + while (tmpPtr < tmpEnd) { + UTF32 ch; + unsigned short bytesToWrite = 0; + const UTF32 byteMask = 0xBF; + const UTF32 byteMark = 0x80; + ch = *tmpPtr++; + /* If we have a surrogate pair, convert to UTF32 first. */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) { + /* If the 16 bits following the high surrogate are in the source + * buffer... */ + if (tmpPtr < tmpEnd) { + UTF32 ch2 = *tmpPtr; + /* If it's a low surrogate, convert to UTF32. */ + if (ch2 >= UNI_SUR_LOW_START && ch2 <= UNI_SUR_LOW_END) { + ch = ((ch - UNI_SUR_HIGH_START) << halfShift) + + (ch2 - UNI_SUR_LOW_START) + halfBase; + ++tmpPtr; + } else if (flags == strictConversion) { /* it's an unpaired high surrogate */ + ruby_xfree(tmp); + rb_raise(rb_path2class("JSON::ParserError"), + "source sequence is illegal/malformed near %s", source); + } + } else { /* We don't have the 16 bits following the high surrogate. */ + ruby_xfree(tmp); + rb_raise(rb_path2class("JSON::ParserError"), + "partial character in source, but hit end near %s", source); + break; + } + } else if (flags == strictConversion) { + /* UTF-16 surrogate values are illegal in UTF-32 */ + if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) { + ruby_xfree(tmp); + rb_raise(rb_path2class("JSON::ParserError"), + "source sequence is illegal/malformed near %s", source); + } + } + /* Figure out how many bytes the result will require */ + if (ch < (UTF32) 0x80) { + bytesToWrite = 1; + } else if (ch < (UTF32) 0x800) { + bytesToWrite = 2; + } else if (ch < (UTF32) 0x10000) { + bytesToWrite = 3; + } else if (ch < (UTF32) 0x110000) { + bytesToWrite = 4; + } else { + bytesToWrite = 3; + ch = UNI_REPLACEMENT_CHAR; + } + + buf[0] = 0; + buf[1] = 0; + buf[2] = 0; + buf[3] = 0; + p = buf + bytesToWrite; + switch (bytesToWrite) { /* note: everything falls through. */ + case 4: *--p = (UTF8) ((ch | byteMark) & byteMask); ch >>= 6; + case 3: *--p = (UTF8) ((ch | byteMark) & byteMask); ch >>= 6; + case 2: *--p = (UTF8) ((ch | byteMark) & byteMask); ch >>= 6; + case 1: *--p = (UTF8) (ch | firstByteMark[bytesToWrite]); + } + rb_str_buf_cat(buffer, p, bytesToWrite); + } + ruby_xfree(tmp); + source += 5 + (n - 1) * 6; + return source; +} diff --git a/ext/json/ext/parser/unicode.h b/ext/json/ext/parser/unicode.h new file mode 100644 index 0000000000..155da0ceee --- /dev/null +++ b/ext/json/ext/parser/unicode.h @@ -0,0 +1,58 @@ + +#ifndef _PARSER_UNICODE_H_ +#define _PARSER_UNICODE_H_ + +#include "ruby.h" + +typedef unsigned long UTF32; /* at least 32 bits */ +typedef unsigned short UTF16; /* at least 16 bits */ +typedef unsigned char UTF8; /* typically 8 bits */ + +#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD +#define UNI_MAX_BMP (UTF32)0x0000FFFF +#define UNI_MAX_UTF16 (UTF32)0x0010FFFF +#define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF +#define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF + +#define UNI_SUR_HIGH_START (UTF32)0xD800 +#define UNI_SUR_HIGH_END (UTF32)0xDBFF +#define UNI_SUR_LOW_START (UTF32)0xDC00 +#define UNI_SUR_LOW_END (UTF32)0xDFFF + +static const int halfShift = 10; /* used for shifting by 10 bits */ + +static const UTF32 halfBase = 0x0010000UL; +static const UTF32 halfMask = 0x3FFUL; + +typedef enum { + conversionOK = 0, /* conversion successful */ + sourceExhausted, /* partial character in source, but hit end */ + targetExhausted, /* insuff. room in target for conversion */ + sourceIllegal /* source sequence is illegal/malformed */ +} ConversionResult; + +typedef enum { + strictConversion = 0, + lenientConversion +} ConversionFlags; + +char *JSON_convert_UTF16_to_UTF8 ( + VALUE buffer, + char *source, + char *sourceEnd, + ConversionFlags flags); + +#ifndef RARRAY_PTR +#define RARRAY_PTR(ARRAY) RARRAY(ARRAY)->ptr +#endif +#ifndef RARRAY_LEN +#define RARRAY_LEN(ARRAY) RARRAY(ARRAY)->len +#endif +#ifndef RSTRING_PTR +#define RSTRING_PTR(string) RSTRING(string)->ptr +#endif +#ifndef RSTRING_LEN +#define RSTRING_LEN(string) RSTRING(string)->len +#endif + +#endif diff --git a/ext/json/generator/extconf.rb b/ext/json/generator/extconf.rb deleted file mode 100644 index ff231a6fe9..0000000000 --- a/ext/json/generator/extconf.rb +++ /dev/null @@ -1,14 +0,0 @@ -require 'mkmf' -require 'rbconfig' - -unless $CFLAGS.gsub!(/ -O[\dsz]?/, ' -O3') - $CFLAGS << ' -O3' -end -if CONFIG['CC'] =~ /gcc/ - $CFLAGS << ' -Wall' - #unless $CFLAGS.gsub!(/ -O[\dsz]?/, ' -O0 -ggdb') - # $CFLAGS << ' -O0 -ggdb' - #end -end - -create_makefile 'json/ext/generator' diff --git a/ext/json/generator/generator.c b/ext/json/generator/generator.c deleted file mode 100644 index 555fcce4ab..0000000000 --- a/ext/json/generator/generator.c +++ /dev/null @@ -1,1334 +0,0 @@ -#include "generator.h" - -#ifdef HAVE_RUBY_ENCODING_H -static VALUE CEncoding_UTF_8; -static ID i_encoding, i_encode; -#endif - -static VALUE mJSON, mExt, mGenerator, cState, mGeneratorMethods, mObject, - mHash, mArray, mInteger, mFloat, mString, mString_Extend, - mTrueClass, mFalseClass, mNilClass, eGeneratorError, - eNestingError, CRegexp_MULTILINE, CJSON_SAFE_STATE_PROTOTYPE; - -static ID i_to_s, i_to_json, i_new, i_indent, i_space, i_space_before, - i_object_nl, i_array_nl, i_max_nesting, i_allow_nan, i_ascii_only, - i_pack, i_unpack, i_create_id, i_extend, i_key_p, i_aref, i_send, - i_respond_to_p, i_match; - -/* - * Copyright 2001-2004 Unicode, Inc. - * - * Disclaimer - * - * This source code is provided as is by Unicode, Inc. No claims are - * made as to fitness for any particular purpose. No warranties of any - * kind are expressed or implied. The recipient agrees to determine - * applicability of information provided. If this file has been - * purchased on magnetic or optical media from Unicode, Inc., the - * sole remedy for any claim will be exchange of defective media - * within 90 days of receipt. - * - * Limitations on Rights to Redistribute This Code - * - * Unicode, Inc. hereby grants the right to freely use the information - * supplied in this file in the creation of products supporting the - * Unicode Standard, and to make copies of this file in any form - * for internal or external distribution as long as this notice - * remains attached. - */ - -/* - * Index into the table below with the first byte of a UTF-8 sequence to - * get the number of trailing bytes that are supposed to follow it. - * Note that *legal* UTF-8 values can't have 4 or 5-bytes. The table is - * left as-is for anyone who may want to do such conversion, which was - * allowed in earlier algorithms. - */ -static const char trailingBytesForUTF8[256] = { - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, - 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, - 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, - 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5 -}; - -/* - * Magic values subtracted from a buffer value during UTF8 conversion. - * This table contains as many values as there might be trailing bytes - * in a UTF-8 sequence. - */ -static const UTF32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL, - 0x03C82080UL, 0xFA082080UL, 0x82082080UL }; - -/* - * Utility routine to tell whether a sequence of bytes is legal UTF-8. - * This must be called with the length pre-determined by the first byte. - * If not calling this from ConvertUTF8to*, then the length can be set by: - * length = trailingBytesForUTF8[*source]+1; - * and the sequence is illegal right away if there aren't that many bytes - * available. - * If presented with a length > 4, this returns 0. The Unicode - * definition of UTF-8 goes up to 4-byte sequences. - */ -static unsigned char isLegalUTF8(const UTF8 *source, int length) -{ - UTF8 a; - const UTF8 *srcptr = source+length; - switch (length) { - default: return 0; - /* Everything else falls through when "1"... */ - case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return 0; - case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return 0; - case 2: if ((a = (*--srcptr)) > 0xBF) return 0; - - switch (*source) { - /* no fall-through in this inner switch */ - case 0xE0: if (a < 0xA0) return 0; break; - case 0xED: if (a > 0x9F) return 0; break; - case 0xF0: if (a < 0x90) return 0; break; - case 0xF4: if (a > 0x8F) return 0; break; - default: if (a < 0x80) return 0; - } - - case 1: if (*source >= 0x80 && *source < 0xC2) return 0; - } - if (*source > 0xF4) return 0; - return 1; -} - -/* Escapes the UTF16 character and stores the result in the buffer buf. */ -static void unicode_escape(char *buf, UTF16 character) -{ - const char *digits = "0123456789abcdef"; - - buf[2] = digits[character >> 12]; - buf[3] = digits[(character >> 8) & 0xf]; - buf[4] = digits[(character >> 4) & 0xf]; - buf[5] = digits[character & 0xf]; -} - -/* Escapes the UTF16 character and stores the result in the buffer buf, then - * the buffer buf Ñ–s appended to the FBuffer buffer. */ -static void unicode_escape_to_buffer(FBuffer *buffer, char buf[6], UTF16 - character) -{ - unicode_escape(buf, character); - fbuffer_append(buffer, buf, 6); -} - -/* Converts string to a JSON string in FBuffer buffer, where all but the ASCII - * and control characters are JSON escaped. */ -static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string) -{ - const UTF8 *source = (UTF8 *) RSTRING_PTR(string); - const UTF8 *sourceEnd = source + RSTRING_LEN(string); - char buf[6] = { '\\', 'u' }; - - while (source < sourceEnd) { - UTF32 ch = 0; - unsigned short extraBytesToRead = trailingBytesForUTF8[*source]; - if (source + extraBytesToRead >= sourceEnd) { - rb_raise(rb_path2class("JSON::GeneratorError"), - "partial character in source, but hit end"); - } - if (!isLegalUTF8(source, extraBytesToRead+1)) { - rb_raise(rb_path2class("JSON::GeneratorError"), - "source sequence is illegal/malformed utf-8"); - } - /* - * The cases all fall through. See "Note A" below. - */ - switch (extraBytesToRead) { - case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */ - case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */ - case 3: ch += *source++; ch <<= 6; - case 2: ch += *source++; ch <<= 6; - case 1: ch += *source++; ch <<= 6; - case 0: ch += *source++; - } - ch -= offsetsFromUTF8[extraBytesToRead]; - - if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */ - /* UTF-16 surrogate values are illegal in UTF-32 */ - if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { -#if UNI_STRICT_CONVERSION - source -= (extraBytesToRead+1); /* return to the illegal value itself */ - rb_raise(rb_path2class("JSON::GeneratorError"), - "source sequence is illegal/malformed utf-8"); -#else - unicode_escape_to_buffer(buffer, buf, UNI_REPLACEMENT_CHAR); -#endif - } else { - /* normal case */ - if (ch >= 0x20 && ch <= 0x7f) { - switch (ch) { - case '\\': - fbuffer_append(buffer, "\\\\", 2); - break; - case '"': - fbuffer_append(buffer, "\\\"", 2); - break; - default: - fbuffer_append_char(buffer, ch); - break; - } - } else { - switch (ch) { - case '\n': - fbuffer_append(buffer, "\\n", 2); - break; - case '\r': - fbuffer_append(buffer, "\\r", 2); - break; - case '\t': - fbuffer_append(buffer, "\\t", 2); - break; - case '\f': - fbuffer_append(buffer, "\\f", 2); - break; - case '\b': - fbuffer_append(buffer, "\\b", 2); - break; - default: - unicode_escape_to_buffer(buffer, buf, (UTF16) ch); - break; - } - } - } - } else if (ch > UNI_MAX_UTF16) { -#if UNI_STRICT_CONVERSION - source -= (extraBytesToRead+1); /* return to the start */ - rb_raise(rb_path2class("JSON::GeneratorError"), - "source sequence is illegal/malformed utf8"); -#else - unicode_escape_to_buffer(buffer, buf, UNI_REPLACEMENT_CHAR); -#endif - } else { - /* target is a character in range 0xFFFF - 0x10FFFF. */ - ch -= halfBase; - unicode_escape_to_buffer(buffer, buf, (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START)); - unicode_escape_to_buffer(buffer, buf, (UTF16)((ch & halfMask) + UNI_SUR_LOW_START)); - } - } -} - -/* Converts string to a JSON string in FBuffer buffer, where only the - * characters required by the JSON standard are JSON escaped. The remaining - * characters (should be UTF8) are just passed through and appended to the - * result. */ -static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string) -{ - const char *ptr = RSTRING_PTR(string), *p; - int len = RSTRING_LEN(string), start = 0, end = 0; - const char *escape = NULL; - int escape_len; - unsigned char c; - char buf[6] = { '\\', 'u' }; - - for (start = 0, end = 0; end < len;) { - p = ptr + end; - c = (unsigned char) *p; - if (c < 0x20) { - switch (c) { - case '\n': - escape = "\\n"; - escape_len = 2; - break; - case '\r': - escape = "\\r"; - escape_len = 2; - break; - case '\t': - escape = "\\t"; - escape_len = 2; - break; - case '\f': - escape = "\\f"; - escape_len = 2; - break; - case '\b': - escape = "\\b"; - escape_len = 2; - break; - default: - unicode_escape(buf, (UTF16) *p); - escape = buf; - escape_len = 6; - break; - } - } else { - switch (c) { - case '\\': - escape = "\\\\"; - escape_len = 2; - break; - case '"': - escape = "\\\""; - escape_len = 2; - break; - default: - end++; - continue; - break; - } - } - fbuffer_append(buffer, ptr + start, end - start); - fbuffer_append(buffer, escape, escape_len); - start = ++end; - escape = NULL; - } - fbuffer_append(buffer, ptr + start, end - start); -} - -static char *fstrndup(const char *ptr, int len) { - if (len <= 0) return NULL; - char *result = ALLOC_N(char, len); - memccpy(result, ptr, 0, len); - return result; -} - -/* fbuffer implementation */ - -static FBuffer *fbuffer_alloc() -{ - FBuffer *fb = ALLOC(FBuffer); - memset((void *) fb, 0, sizeof(FBuffer)); - fb->initial_length = FBUFFER_INITIAL_LENGTH; - return fb; -} - -static FBuffer *fbuffer_alloc_with_length(unsigned int initial_length) -{ - assert(initial_length > 0); - FBuffer *fb = ALLOC(FBuffer); - memset((void *) fb, 0, sizeof(FBuffer)); - fb->initial_length = initial_length; - return fb; -} - -static void fbuffer_free(FBuffer *fb) -{ - if (fb->ptr) ruby_xfree(fb->ptr); - ruby_xfree(fb); -} - -static void fbuffer_free_only_buffer(FBuffer *fb) -{ - ruby_xfree(fb); -} - -static void fbuffer_clear(FBuffer *fb) -{ - fb->len = 0; -} - -static void fbuffer_inc_capa(FBuffer *fb, unsigned int requested) -{ - unsigned int required; - - if (!fb->ptr) { - fb->ptr = ALLOC_N(char, fb->initial_length); - fb->capa = fb->initial_length; - } - - for (required = fb->capa; requested > required - fb->len; required <<= 1); - - if (required > fb->capa) { - fb->ptr = (char *) REALLOC_N((long*) fb->ptr, char, required); - fb->capa = required; - } -} - -static void fbuffer_append(FBuffer *fb, const char *newstr, unsigned int len) -{ - if (len > 0) { - fbuffer_inc_capa(fb, len); - MEMCPY(fb->ptr + fb->len, newstr, char, len); - fb->len += len; - } -} - -static void fbuffer_append_char(FBuffer *fb, char newchr) -{ - fbuffer_inc_capa(fb, 1); - *(fb->ptr + fb->len) = newchr; - fb->len++; -} - -static void freverse(char *start, char *end) -{ - char c; - - while (end > start) { - c = *end, *end-- = *start, *start++ = c; - } -} - -static int fltoa(long number, char *buf) -{ - static char digits[] = "0123456789"; - long sign = number; - char* tmp = buf; - - if (sign < 0) number = -number; - do *tmp++ = digits[number % 10]; while (number /= 10); - if (sign < 0) *tmp++ = '-'; - freverse(buf, tmp - 1); - return tmp - buf; -} - -static void fbuffer_append_long(FBuffer *fb, long number) -{ - char buf[20]; - int len = fltoa(number, buf); - fbuffer_append(fb, buf, len); -} - -static FBuffer *fbuffer_dup(FBuffer *fb) -{ - int len = fb->len; - FBuffer *result; - - if (len > 0) { - result = fbuffer_alloc_with_length(len); - fbuffer_append(result, FBUFFER_PAIR(fb)); - } else { - result = fbuffer_alloc(); - } - return result; -} - -/* - * Document-module: JSON::Ext::Generator - * - * This is the JSON generator implemented as a C extension. It can be - * configured to be used by setting - * - * JSON.generator = JSON::Ext::Generator - * - * with the method generator= in JSON. - * - */ - -/* - * call-seq: to_json(state = nil, depth = 0) - * - * Returns a JSON string containing a JSON object, that is generated from - * this Hash instance. - * _state_ is a JSON::State object, that can also be used to configure the - * produced JSON string output further. - * _depth_ is used to find out nesting depth, to indent accordingly. - */ -static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self) -{ - VALUE state, depth; - - rb_scan_args(argc, argv, "02", &state, &depth); - state = cState_from_state_s(cState, state); - return cState_partial_generate(state, self, depth); -} - -/* - * call-seq: to_json(state = nil, depth = 0) - * - * Returns a JSON string containing a JSON array, that is generated from - * this Array instance. - * _state_ is a JSON::State object, that can also be used to configure the - * produced JSON string output further. - * _depth_ is used to find out nesting depth, to indent accordingly. - */ -static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self) { - VALUE state, depth; - rb_scan_args(argc, argv, "02", &state, &depth); - state = cState_from_state_s(cState, state); - return cState_partial_generate(state, self, depth); -} - -/* - * call-seq: to_json(*) - * - * Returns a JSON string representation for this Integer number. - */ -static VALUE mInteger_to_json(int argc, VALUE *argv, VALUE self) -{ - VALUE state, depth; - rb_scan_args(argc, argv, "02", &state, &depth); - state = cState_from_state_s(cState, state); - return cState_partial_generate(state, self, depth); -} - -/* - * call-seq: to_json(*) - * - * Returns a JSON string representation for this Float number. - */ -static VALUE mFloat_to_json(int argc, VALUE *argv, VALUE self) -{ - VALUE state, depth; - rb_scan_args(argc, argv, "02", &state, &depth); - state = cState_from_state_s(cState, state); - return cState_partial_generate(state, self, depth); -} - -/* - * call-seq: String.included(modul) - * - * Extends _modul_ with the String::Extend module. - */ -static VALUE mString_included_s(VALUE self, VALUE modul) { - VALUE result = rb_funcall(modul, i_extend, 1, mString_Extend); - return result; -} - -/* - * call-seq: to_json(*) - * - * This string should be encoded with UTF-8 A call to this method - * returns a JSON string encoded with UTF16 big endian characters as - * \u????. - */ -static VALUE mString_to_json(int argc, VALUE *argv, VALUE self) -{ - VALUE state, depth; - rb_scan_args(argc, argv, "02", &state, &depth); - state = cState_from_state_s(cState, state); - return cState_partial_generate(state, self, depth); -} - -/* - * call-seq: to_json_raw_object() - * - * This method creates a raw object hash, that can be nested into - * other data structures and will be generated as a raw string. This - * method should be used, if you want to convert raw strings to JSON - * instead of UTF-8 strings, e. g. binary data. - */ -static VALUE mString_to_json_raw_object(VALUE self) -{ - VALUE ary; - VALUE result = rb_hash_new(); - rb_hash_aset(result, rb_funcall(mJSON, i_create_id, 0), rb_class_name(rb_obj_class(self))); - ary = rb_funcall(self, i_unpack, 1, rb_str_new2("C*")); - rb_hash_aset(result, rb_str_new2("raw"), ary); - return result; -} - -/* - * call-seq: to_json_raw(*args) - * - * This method creates a JSON text from the result of a call to - * to_json_raw_object of this String. - */ -static VALUE mString_to_json_raw(int argc, VALUE *argv, VALUE self) -{ - VALUE obj = mString_to_json_raw_object(self); - Check_Type(obj, T_HASH); - return mHash_to_json(argc, argv, obj); -} - -/* - * call-seq: json_create(o) - * - * Raw Strings are JSON Objects (the raw bytes are stored in an array for the - * key "raw"). The Ruby String can be created by this module method. - */ -static VALUE mString_Extend_json_create(VALUE self, VALUE o) -{ - VALUE ary; - Check_Type(o, T_HASH); - ary = rb_hash_aref(o, rb_str_new2("raw")); - return rb_funcall(ary, i_pack, 1, rb_str_new2("C*")); -} - -/* - * call-seq: to_json(*) - * - * Returns a JSON string for true: 'true'. - */ -static VALUE mTrueClass_to_json(int argc, VALUE *argv, VALUE self) -{ - VALUE state, depth; - rb_scan_args(argc, argv, "02", &state, &depth); - state = cState_from_state_s(cState, state); - return cState_partial_generate(state, self, depth); -} - -/* - * call-seq: to_json(*) - * - * Returns a JSON string for false: 'false'. - */ -static VALUE mFalseClass_to_json(int argc, VALUE *argv, VALUE self) -{ - VALUE state, depth; - rb_scan_args(argc, argv, "02", &state, &depth); - state = cState_from_state_s(cState, state); - return cState_partial_generate(state, self, depth); -} - -/* - * call-seq: to_json(*) - * - */ -static VALUE mNilClass_to_json(int argc, VALUE *argv, VALUE self) -{ - VALUE state, depth; - rb_scan_args(argc, argv, "02", &state, &depth); - state = cState_from_state_s(cState, state); - return cState_partial_generate(state, self, depth); -} - -/* - * call-seq: to_json(*) - * - * Converts this object to a string (calling #to_s), converts - * it to a JSON string, and returns the result. This is a fallback, if no - * special method #to_json was defined for some object. - */ -static VALUE mObject_to_json(int argc, VALUE *argv, VALUE self) -{ - VALUE state, depth; - VALUE string = rb_funcall(self, i_to_s, 0); - rb_scan_args(argc, argv, "02", &state, &depth); - Check_Type(string, T_STRING); - state = cState_from_state_s(cState, state); - return cState_partial_generate(state, string, depth); -} - -static void State_free(JSON_Generator_State *state) -{ - if (state->indent) ruby_xfree(state->indent); - if (state->space) ruby_xfree(state->space); - if (state->space_before) ruby_xfree(state->space_before); - if (state->object_nl) ruby_xfree(state->object_nl); - if (state->array_nl) ruby_xfree(state->array_nl); - if (state->array_delim) fbuffer_free(state->array_delim); - if (state->object_delim) fbuffer_free(state->object_delim); - if (state->object_delim2) fbuffer_free(state->object_delim2); - ruby_xfree(state); -} - -static JSON_Generator_State *State_allocate() -{ - JSON_Generator_State *state = ALLOC(JSON_Generator_State); - return state; -} - -static VALUE cState_s_allocate(VALUE klass) -{ - JSON_Generator_State *state = State_allocate(); - return Data_Wrap_Struct(klass, NULL, State_free, state); -} - -/* - * call-seq: configure(opts) - * - * Configure this State instance with the Hash _opts_, and return - * itself. - */ -static VALUE cState_configure(VALUE self, VALUE opts) -{ - VALUE tmp; - GET_STATE(self); - tmp = rb_convert_type(opts, T_HASH, "Hash", "to_hash"); - if (NIL_P(tmp)) tmp = rb_convert_type(opts, T_HASH, "Hash", "to_h"); - if (NIL_P(tmp)) { - rb_raise(rb_eArgError, "opts has to be hash like or convertable into a hash"); - } - opts = tmp; - tmp = rb_hash_aref(opts, ID2SYM(i_indent)); - if (RTEST(tmp)) { - Check_Type(tmp, T_STRING); - int len = RSTRING_LEN(tmp); - state->indent = fstrndup(RSTRING_PTR(tmp), len); - state->indent_len = len; - } - tmp = rb_hash_aref(opts, ID2SYM(i_space)); - if (RTEST(tmp)) { - Check_Type(tmp, T_STRING); - int len = RSTRING_LEN(tmp); - state->space = fstrndup(RSTRING_PTR(tmp), len); - state->space_len = len; - } - tmp = rb_hash_aref(opts, ID2SYM(i_space_before)); - if (RTEST(tmp)) { - Check_Type(tmp, T_STRING); - int len = RSTRING_LEN(tmp); - state->space_before = fstrndup(RSTRING_PTR(tmp), len); - state->space_before_len = len; - } - tmp = rb_hash_aref(opts, ID2SYM(i_array_nl)); - if (RTEST(tmp)) { - Check_Type(tmp, T_STRING); - int len = RSTRING_LEN(tmp); - state->array_nl = fstrndup(RSTRING_PTR(tmp), len); - state->array_nl_len = len; - } - tmp = rb_hash_aref(opts, ID2SYM(i_object_nl)); - if (RTEST(tmp)) { - Check_Type(tmp, T_STRING); - int len = RSTRING_LEN(tmp); - state->object_nl = fstrndup(RSTRING_PTR(tmp), len); - state->object_nl_len = len; - } - tmp = ID2SYM(i_max_nesting); - state->max_nesting = 19; - if (option_given_p(opts, tmp)) { - VALUE max_nesting = rb_hash_aref(opts, tmp); - if (RTEST(max_nesting)) { - Check_Type(max_nesting, T_FIXNUM); - state->max_nesting = FIX2LONG(max_nesting); - } else { - state->max_nesting = 0; - } - } - tmp = rb_hash_aref(opts, ID2SYM(i_allow_nan)); - state->allow_nan = RTEST(tmp); - tmp = rb_hash_aref(opts, ID2SYM(i_ascii_only)); - state->ascii_only = RTEST(tmp); - return self; -} - -/* - * call-seq: to_h - * - * Returns the configuration instance variables as a hash, that can be - * passed to the configure method. - */ -static VALUE cState_to_h(VALUE self) -{ - VALUE result = rb_hash_new(); - GET_STATE(self); - rb_hash_aset(result, ID2SYM(i_indent), rb_str_new(state->indent, state->indent_len)); - rb_hash_aset(result, ID2SYM(i_space), rb_str_new(state->space, state->space_len)); - rb_hash_aset(result, ID2SYM(i_space_before), rb_str_new(state->space_before, state->space_before_len)); - rb_hash_aset(result, ID2SYM(i_object_nl), rb_str_new(state->object_nl, state->object_nl_len)); - rb_hash_aset(result, ID2SYM(i_array_nl), rb_str_new(state->array_nl, state->array_nl_len)); - rb_hash_aset(result, ID2SYM(i_allow_nan), state->allow_nan ? Qtrue : Qfalse); - rb_hash_aset(result, ID2SYM(i_ascii_only), state->ascii_only ? Qtrue : Qfalse); - rb_hash_aset(result, ID2SYM(i_max_nesting), LONG2FIX(state->max_nesting)); - return result; -} - -/* -* call-seq: [](name) -* -* Return the value returned by method +name+. -*/ -static VALUE cState_aref(VALUE self, VALUE name) -{ - GET_STATE(self); - if (RTEST(rb_funcall(self, i_respond_to_p, 1, name))) { - return rb_funcall(self, i_send, 1, name); - } else { - return Qnil; - } -} - -static void generate_json(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj, long depth) -{ - VALUE tmp; - switch (TYPE(obj)) { - case T_HASH: - { - char *object_nl = state->object_nl; - long object_nl_len = state->object_nl_len; - char *indent = state->indent; - long indent_len = state->indent_len; - long max_nesting = state->max_nesting; - char *delim = FBUFFER_PTR(state->object_delim); - long delim_len = FBUFFER_LEN(state->object_delim); - char *delim2 = FBUFFER_PTR(state->object_delim2); - long delim2_len = FBUFFER_LEN(state->object_delim2); - int i, j; - depth++; - if (max_nesting != 0 && depth > max_nesting) { - fbuffer_free(buffer); - rb_raise(eNestingError, "nesting of %ld is too deep", depth); - } - fbuffer_append_char(buffer, '{'); - VALUE keys = rb_funcall(obj, rb_intern("keys"), 0); - VALUE key, key_to_s; - for(i = 0; i < RARRAY_LEN(keys); i++) { - if (i > 0) fbuffer_append(buffer, delim, delim_len); - if (object_nl) { - fbuffer_append(buffer, object_nl, object_nl_len); - } - if (indent) { - for (j = 0; j < depth; j++) { - fbuffer_append(buffer, indent, indent_len); - } - } - key = rb_ary_entry(keys, i); - key_to_s = rb_funcall(key, i_to_s, 0); - Check_Type(key_to_s, T_STRING); - generate_json(buffer, Vstate, state, key_to_s, depth); - fbuffer_append(buffer, delim2, delim2_len); - generate_json(buffer, Vstate, state, rb_hash_aref(obj, key), depth); - } - depth--; - if (object_nl) { - fbuffer_append(buffer, object_nl, object_nl_len); - if (indent) { - for (j = 0; j < depth; j++) { - fbuffer_append(buffer, indent, indent_len); - } - } - } - fbuffer_append_char(buffer, '}'); - } - break; - case T_ARRAY: - { - char *array_nl = state->array_nl; - long array_nl_len = state->array_nl_len; - char *indent = state->indent; - long indent_len = state->indent_len; - long max_nesting = state->max_nesting; - char *delim = FBUFFER_PTR(state->array_delim); - long delim_len = FBUFFER_LEN(state->array_delim); - int i, j; - depth++; - if (max_nesting != 0 && depth > max_nesting) { - fbuffer_free(buffer); - rb_raise(eNestingError, "nesting of %ld is too deep", depth); - } - fbuffer_append_char(buffer, '['); - if (array_nl) fbuffer_append(buffer, array_nl, array_nl_len); - for(i = 0; i < RARRAY_LEN(obj); i++) { - if (i > 0) fbuffer_append(buffer, delim, delim_len); - if (indent) { - for (j = 0; j < depth; j++) { - fbuffer_append(buffer, indent, indent_len); - } - } - generate_json(buffer, Vstate, state, rb_ary_entry(obj, i), depth); - } - depth--; - if (array_nl) { - fbuffer_append(buffer, array_nl, array_nl_len); - if (indent) { - for (j = 0; j < depth; j++) { - fbuffer_append(buffer, indent, indent_len); - } - } - } - fbuffer_append_char(buffer, ']'); - } - break; - case T_STRING: - fbuffer_append_char(buffer, '"'); -#ifdef HAVE_RUBY_ENCODING_H - obj = rb_funcall(obj, i_encode, 1, CEncoding_UTF_8); -#endif - if (state->ascii_only) { - convert_UTF8_to_JSON_ASCII(buffer, obj); - } else { - convert_UTF8_to_JSON(buffer, obj); - } - fbuffer_append_char(buffer, '"'); - break; - case T_NIL: - fbuffer_append(buffer, "null", 4); - break; - case T_FALSE: - fbuffer_append(buffer, "false", 5); - break; - case T_TRUE: - fbuffer_append(buffer, "true", 4); - break; - case T_FIXNUM: - fbuffer_append_long(buffer, FIX2LONG(obj)); - break; - case T_BIGNUM: - tmp = rb_funcall(obj, i_to_s, 0); - fbuffer_append(buffer, RSTRING_PAIR(tmp)); - break; - case T_FLOAT: - { - double value = RFLOAT_VALUE(obj); - char allow_nan = state->allow_nan; - tmp = rb_funcall(obj, i_to_s, 0); - if (!allow_nan) { - if (isinf(value)) { - fbuffer_free(buffer); - rb_raise(eGeneratorError, "%u: %s not allowed in JSON", __LINE__, StringValueCStr(tmp)); - } else if (isnan(value)) { - fbuffer_free(buffer); - rb_raise(eGeneratorError, "%u: %s not allowed in JSON", __LINE__, StringValueCStr(tmp)); - } - } - fbuffer_append(buffer, RSTRING_PAIR(tmp)); - } - break; - default: - if (rb_respond_to(obj, i_to_json)) { - tmp = rb_funcall(obj, i_to_json, 2, Vstate, INT2FIX(depth + 1)); - Check_Type(tmp, T_STRING); - fbuffer_append(buffer, RSTRING_PAIR(tmp)); - } else { - tmp = rb_funcall(obj, i_to_s, 0); - Check_Type(tmp, T_STRING); - generate_json(buffer, Vstate, state, tmp, depth + 1); - } - break; - } -} - -/* - * call-seq: partial_generate(obj) - * - * Generates a part of a JSON document from object +obj+ and returns the - * result. - */ -static VALUE cState_partial_generate(VALUE self, VALUE obj, VALUE depth) -{ - VALUE result; - FBuffer *buffer = fbuffer_alloc(); - GET_STATE(self); - - if (state->object_delim) { - fbuffer_clear(state->object_delim); - } else { - state->object_delim = fbuffer_alloc_with_length(16); - } - fbuffer_append_char(state->object_delim, ','); - if (state->object_delim2) { - fbuffer_clear(state->object_delim2); - } else { - state->object_delim2 = fbuffer_alloc_with_length(16); - } - fbuffer_append_char(state->object_delim2, ':'); - if (state->space) fbuffer_append(state->object_delim2, state->space, state->space_len); - - if (state->array_delim) { - fbuffer_clear(state->array_delim); - } else { - state->array_delim = fbuffer_alloc_with_length(16); - } - fbuffer_append_char(state->array_delim, ','); - if (state->array_nl) fbuffer_append(state->array_delim, state->array_nl, state->array_nl_len); - - generate_json(buffer, self, state, obj, NIL_P(depth) ? 0 : FIX2INT(depth)); - result = rb_str_new(FBUFFER_PAIR(buffer)); - fbuffer_free_only_buffer(buffer); - FORCE_UTF8(result); - return result; -} - -/* - * call-seq: generate(obj) - * - * Generates a valid JSON document from object +obj+ and returns the - * result. If no valid JSON document can be created this method raises a - * GeneratorError exception. - */ -static VALUE cState_generate(VALUE self, VALUE obj) -{ - VALUE result = cState_partial_generate(self, obj, Qnil); - VALUE re, args[2]; - args[0] = rb_str_new2("\\A\\s*(?:\\[.*\\]|\\{.*\\})\\s*\\Z"); - args[1] = CRegexp_MULTILINE; - re = rb_class_new_instance(2, args, rb_cRegexp); - if (NIL_P(rb_funcall(re, i_match, 1, result))) { - rb_raise(eGeneratorError, "only generation of JSON objects or arrays allowed"); - } - return result; -} - -/* - * call-seq: new(opts = {}) - * - * Instantiates a new State object, configured by _opts_. - * - * _opts_ can have the following keys: - * - * * *indent*: a string used to indent levels (default: ''), - * * *space*: a string that is put after, a : or , delimiter (default: ''), - * * *space_before*: a string that is put before a : pair delimiter (default: ''), - * * *object_nl*: a string that is put at the end of a JSON object (default: ''), - * * *array_nl*: a string that is put at the end of a JSON array (default: ''), - * * *allow_nan*: true if NaN, Infinity, and -Infinity should be - * generated, otherwise an exception is thrown, if these values are - * encountered. This options defaults to false. - */ -static VALUE cState_initialize(int argc, VALUE *argv, VALUE self) -{ - VALUE opts; - GET_STATE(self); - MEMZERO(state, JSON_Generator_State, 1); - state->max_nesting = 19; - rb_scan_args(argc, argv, "01", &opts); - if (!NIL_P(opts)) cState_configure(self, opts); - return self; -} - -/* - * call-seq: initialize_copy(orig) - * - * Initializes this object from orig if it to be duplicated/cloned and returns - * it. -*/ -static VALUE cState_init_copy(VALUE obj, VALUE orig) -{ - JSON_Generator_State *objState, *origState; - - Data_Get_Struct(obj, JSON_Generator_State, objState); - Data_Get_Struct(orig, JSON_Generator_State, origState); - if (!objState) rb_raise(rb_eArgError, "unallocated JSON::State"); - - MEMCPY(objState, origState, JSON_Generator_State, 1); - objState->indent = fstrndup(origState->indent, origState->indent_len); - objState->space = fstrndup(origState->space, origState->space_len); - objState->space_before = fstrndup(origState->space_before, origState->space_before_len); - objState->object_nl = fstrndup(origState->object_nl, origState->object_nl_len); - objState->array_nl = fstrndup(origState->array_nl, origState->array_nl_len); - if (origState->array_delim) objState->array_delim = fbuffer_dup(origState->array_delim); - if (origState->object_delim) objState->object_delim = fbuffer_dup(origState->object_delim); - if (origState->object_delim2) objState->object_delim2 = fbuffer_dup(origState->object_delim2); - return obj; -} - -/* - * call-seq: from_state(opts) - * - * Creates a State object from _opts_, which ought to be Hash to create a - * new State instance configured by _opts_, something else to create an - * unconfigured instance. If _opts_ is a State object, it is just returned. - */ -static VALUE cState_from_state_s(VALUE self, VALUE opts) -{ - if (rb_obj_is_kind_of(opts, self)) { - return opts; - } else if (rb_obj_is_kind_of(opts, rb_cHash)) { - return rb_funcall(self, i_new, 1, opts); - } else { - if (NIL_P(CJSON_SAFE_STATE_PROTOTYPE)) { - CJSON_SAFE_STATE_PROTOTYPE = rb_const_get(mJSON, rb_intern("SAFE_STATE_PROTOTYPE")); - } - return CJSON_SAFE_STATE_PROTOTYPE; - } -} - -/* - * call-seq: indent() - * - * This string is used to indent levels in the JSON text. - */ -static VALUE cState_indent(VALUE self) -{ - GET_STATE(self); - return state->indent ? rb_str_new2(state->indent) : rb_str_new2(""); -} - -/* - * call-seq: indent=(indent) - * - * This string is used to indent levels in the JSON text. - */ -static VALUE cState_indent_set(VALUE self, VALUE indent) -{ - GET_STATE(self); - Check_Type(indent, T_STRING); - if (RSTRING_LEN(indent) == 0) { - if (state->indent) { - ruby_xfree(state->indent); - state->indent = NULL; - } - } else { - if (state->indent) ruby_xfree(state->indent); - state->indent = strdup(RSTRING_PTR(indent)); - } - return Qnil; -} - -/* - * call-seq: space() - * - * This string is used to insert a space between the tokens in a JSON - * string. - */ -static VALUE cState_space(VALUE self) -{ - GET_STATE(self); - return state->space ? rb_str_new2(state->space) : rb_str_new2(""); -} - -/* - * call-seq: space=(space) - * - * This string is used to insert a space between the tokens in a JSON - * string. - */ -static VALUE cState_space_set(VALUE self, VALUE space) -{ - GET_STATE(self); - Check_Type(space, T_STRING); - if (RSTRING_LEN(space) == 0) { - if (state->space) { - ruby_xfree(state->space); - state->space = NULL; - } - } else { - if (state->space) ruby_xfree(state->space); - state->space = strdup(RSTRING_PTR(space)); - } - return Qnil; -} - -/* - * call-seq: space_before() - * - * This string is used to insert a space before the ':' in JSON objects. - */ -static VALUE cState_space_before(VALUE self) -{ - GET_STATE(self); - return state->space_before ? rb_str_new2(state->space_before) : rb_str_new2(""); -} - -/* - * call-seq: space_before=(space_before) - * - * This string is used to insert a space before the ':' in JSON objects. - */ -static VALUE cState_space_before_set(VALUE self, VALUE space_before) -{ - GET_STATE(self); - Check_Type(space_before, T_STRING); - if (RSTRING_LEN(space_before) == 0) { - if (state->space_before) { - ruby_xfree(state->space_before); - state->space_before = NULL; - } - } else { - if (state->space_before) ruby_xfree(state->space_before); - state->space_before = strdup(RSTRING_PTR(space_before)); - } - return Qnil; -} - -/* - * call-seq: object_nl() - * - * This string is put at the end of a line that holds a JSON object (or - * Hash). - */ -static VALUE cState_object_nl(VALUE self) -{ - GET_STATE(self); - return state->object_nl ? rb_str_new2(state->object_nl) : rb_str_new2(""); -} - -/* - * call-seq: object_nl=(object_nl) - * - * This string is put at the end of a line that holds a JSON object (or - * Hash). - */ -static VALUE cState_object_nl_set(VALUE self, VALUE object_nl) -{ - GET_STATE(self); - Check_Type(object_nl, T_STRING); - if (RSTRING_LEN(object_nl) == 0) { - if (state->object_nl) { - ruby_xfree(state->object_nl); - state->object_nl = NULL; - } - } else { - if (state->object_nl) ruby_xfree(state->object_nl); - state->object_nl = strdup(RSTRING_PTR(object_nl)); - } - return Qnil; -} - -/* - * call-seq: array_nl() - * - * This string is put at the end of a line that holds a JSON array. - */ -static VALUE cState_array_nl(VALUE self) -{ - GET_STATE(self); - return state->array_nl ? rb_str_new2(state->array_nl) : rb_str_new2(""); -} - -/* - * call-seq: array_nl=(array_nl) - * - * This string is put at the end of a line that holds a JSON array. - */ -static VALUE cState_array_nl_set(VALUE self, VALUE array_nl) -{ - GET_STATE(self); - Check_Type(array_nl, T_STRING); - if (RSTRING_LEN(array_nl) == 0) { - if (state->array_nl) { - ruby_xfree(state->array_nl); - state->array_nl = NULL; - } - } else { - if (state->array_nl) ruby_xfree(state->array_nl); - state->array_nl = strdup(RSTRING_PTR(array_nl)); - } - return Qnil; -} - - -/* -* call-seq: check_circular? -* -* Returns true, if circular data structures should be checked, -* otherwise returns false. -*/ -static VALUE cState_check_circular_p(VALUE self) -{ - GET_STATE(self); - return state->max_nesting ? Qtrue : Qfalse; -} - -/* - * call-seq: max_nesting - * - * This integer returns the maximum level of data structure nesting in - * the generated JSON, max_nesting = 0 if no maximum is checked. - */ -static VALUE cState_max_nesting(VALUE self) -{ - GET_STATE(self); - return LONG2FIX(state->max_nesting); -} - -/* - * call-seq: max_nesting=(depth) - * - * This sets the maximum level of data structure nesting in the generated JSON - * to the integer depth, max_nesting = 0 if no maximum should be checked. - */ -static VALUE cState_max_nesting_set(VALUE self, VALUE depth) -{ - GET_STATE(self); - Check_Type(depth, T_FIXNUM); - return state->max_nesting = FIX2LONG(depth); -} - -/* - * call-seq: allow_nan? - * - * Returns true, if NaN, Infinity, and -Infinity should be generated, otherwise - * returns false. - */ -static VALUE cState_allow_nan_p(VALUE self) -{ - GET_STATE(self); - return state->allow_nan ? Qtrue : Qfalse; -} - -/* - * call-seq: ascii_only? - * - * Returns true, if NaN, Infinity, and -Infinity should be generated, otherwise - * returns false. - */ -static VALUE cState_ascii_only_p(VALUE self) -{ - GET_STATE(self); - return state->ascii_only ? Qtrue : Qfalse; -} - -/* - * - */ -void Init_generator() -{ - rb_require("json/common"); - - mJSON = rb_define_module("JSON"); - mExt = rb_define_module_under(mJSON, "Ext"); - mGenerator = rb_define_module_under(mExt, "Generator"); - - eGeneratorError = rb_path2class("JSON::GeneratorError"); - eNestingError = rb_path2class("JSON::NestingError"); - - cState = rb_define_class_under(mGenerator, "State", rb_cObject); - rb_define_alloc_func(cState, cState_s_allocate); - rb_define_singleton_method(cState, "from_state", cState_from_state_s, 1); - rb_define_method(cState, "initialize", cState_initialize, -1); - rb_define_method(cState, "initialize_copy", cState_init_copy, 1); - rb_define_method(cState, "indent", cState_indent, 0); - rb_define_method(cState, "indent=", cState_indent_set, 1); - rb_define_method(cState, "space", cState_space, 0); - rb_define_method(cState, "space=", cState_space_set, 1); - rb_define_method(cState, "space_before", cState_space_before, 0); - rb_define_method(cState, "space_before=", cState_space_before_set, 1); - rb_define_method(cState, "object_nl", cState_object_nl, 0); - rb_define_method(cState, "object_nl=", cState_object_nl_set, 1); - rb_define_method(cState, "array_nl", cState_array_nl, 0); - rb_define_method(cState, "array_nl=", cState_array_nl_set, 1); - rb_define_method(cState, "max_nesting", cState_max_nesting, 0); - rb_define_method(cState, "max_nesting=", cState_max_nesting_set, 1); - rb_define_method(cState, "check_circular?", cState_check_circular_p, 0); - rb_define_method(cState, "allow_nan?", cState_allow_nan_p, 0); - rb_define_method(cState, "ascii_only?", cState_ascii_only_p, 0); - rb_define_method(cState, "configure", cState_configure, 1); - rb_define_method(cState, "to_h", cState_to_h, 0); - rb_define_method(cState, "[]", cState_aref, 1); - rb_define_method(cState, "generate", cState_generate, 1); - rb_define_method(cState, "partial_generate", cState_partial_generate, 1); - - mGeneratorMethods = rb_define_module_under(mGenerator, "GeneratorMethods"); - mObject = rb_define_module_under(mGeneratorMethods, "Object"); - rb_define_method(mObject, "to_json", mObject_to_json, -1); - mHash = rb_define_module_under(mGeneratorMethods, "Hash"); - rb_define_method(mHash, "to_json", mHash_to_json, -1); - mArray = rb_define_module_under(mGeneratorMethods, "Array"); - rb_define_method(mArray, "to_json", mArray_to_json, -1); - mInteger = rb_define_module_under(mGeneratorMethods, "Integer"); - rb_define_method(mInteger, "to_json", mInteger_to_json, -1); - mFloat = rb_define_module_under(mGeneratorMethods, "Float"); - rb_define_method(mFloat, "to_json", mFloat_to_json, -1); - mString = rb_define_module_under(mGeneratorMethods, "String"); - rb_define_singleton_method(mString, "included", mString_included_s, 1); - rb_define_method(mString, "to_json", mString_to_json, -1); - rb_define_method(mString, "to_json_raw", mString_to_json_raw, -1); - rb_define_method(mString, "to_json_raw_object", mString_to_json_raw_object, 0); - mString_Extend = rb_define_module_under(mString, "Extend"); - rb_define_method(mString_Extend, "json_create", mString_Extend_json_create, 1); - mTrueClass = rb_define_module_under(mGeneratorMethods, "TrueClass"); - rb_define_method(mTrueClass, "to_json", mTrueClass_to_json, -1); - mFalseClass = rb_define_module_under(mGeneratorMethods, "FalseClass"); - rb_define_method(mFalseClass, "to_json", mFalseClass_to_json, -1); - mNilClass = rb_define_module_under(mGeneratorMethods, "NilClass"); - rb_define_method(mNilClass, "to_json", mNilClass_to_json, -1); - - CRegexp_MULTILINE = rb_const_get(rb_cRegexp, rb_intern("MULTILINE")); - i_to_s = rb_intern("to_s"); - i_to_json = rb_intern("to_json"); - i_new = rb_intern("new"); - i_indent = rb_intern("indent"); - i_space = rb_intern("space"); - i_space_before = rb_intern("space_before"); - i_object_nl = rb_intern("object_nl"); - i_array_nl = rb_intern("array_nl"); - i_max_nesting = rb_intern("max_nesting"); - i_allow_nan = rb_intern("allow_nan"); - i_ascii_only = rb_intern("ascii_only"); - i_pack = rb_intern("pack"); - i_unpack = rb_intern("unpack"); - i_create_id = rb_intern("create_id"); - i_extend = rb_intern("extend"); - i_key_p = rb_intern("key?"); - i_aref = rb_intern("[]"); - i_send = rb_intern("__send__"); - i_respond_to_p = rb_intern("respond_to?"); - i_match = rb_intern("match"); -#ifdef HAVE_RUBY_ENCODING_H - CEncoding_UTF_8 = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-8")); - i_encoding = rb_intern("encoding"); - i_encode = rb_intern("encode"); -#endif - CJSON_SAFE_STATE_PROTOTYPE = Qnil; -} diff --git a/ext/json/generator/generator.h b/ext/json/generator/generator.h deleted file mode 100644 index 37240a9c6b..0000000000 --- a/ext/json/generator/generator.h +++ /dev/null @@ -1,170 +0,0 @@ -#ifndef _GENERATOR_H_ -#define _GENERATOR_H_ - -#include -#include -#include - -#include "ruby.h" - -#if HAVE_RUBY_RE_H -#include "ruby/re.h" -#endif - -#if HAVE_RE_H -#include "re.h" -#endif - -#ifdef HAVE_RUBY_ENCODING_H -#include "ruby/encoding.h" -#define FORCE_UTF8(obj) rb_enc_associate((obj), rb_utf8_encoding()) -#else -#define FORCE_UTF8(obj) -#endif - -#define option_given_p(opts, key) RTEST(rb_funcall(opts, i_key_p, 1, key)) - -#ifndef RHASH_SIZE -#define RHASH_SIZE(hsh) (RHASH(hsh)->tbl->num_entries) -#endif - -#ifndef RFLOAT_VALUE -#define RFLOAT_VALUE(val) (RFLOAT(val)->value) -#endif - -#ifndef RARRAY_PTR -#define RARRAY_PTR(ARRAY) RARRAY(ARRAY)->ptr -#endif -#ifndef RARRAY_LEN -#define RARRAY_LEN(ARRAY) RARRAY(ARRAY)->len -#endif -#ifndef RSTRING_PTR -#define RSTRING_PTR(string) RSTRING(string)->ptr -#endif -#ifndef RSTRING_LEN -#define RSTRING_LEN(string) RSTRING(string)->len -#endif - -#define RSTRING_PAIR(string) RSTRING_PTR(string), RSTRING_LEN(string) - -/* fbuffer implementation */ - -typedef struct FBufferStruct { - unsigned int initial_length; - char *ptr; - unsigned int len; - unsigned int capa; -} FBuffer; - -#define FBUFFER_INITIAL_LENGTH 4096 - -#define FBUFFER_PTR(fb) (fb->ptr) -#define FBUFFER_LEN(fb) (fb->len) -#define FBUFFER_CAPA(fb) (fb->capa) -#define FBUFFER_PAIR(fb) FBUFFER_PTR(fb), FBUFFER_LEN(fb) - -static char *fstrndup(const char *ptr, int len); -static FBuffer *fbuffer_alloc(); -static FBuffer *fbuffer_alloc_with_length(unsigned initial_length); -static void fbuffer_free(FBuffer *fb); -static void fbuffer_free_only_buffer(FBuffer *fb); -static void fbuffer_clear(FBuffer *fb); -static void fbuffer_append(FBuffer *fb, const char *newstr, unsigned int len); -static void fbuffer_append_long(FBuffer *fb, long number); -static void fbuffer_append_char(FBuffer *fb, char newchr); -static FBuffer *fbuffer_dup(FBuffer *fb); - -/* unicode defintions */ - -#define UNI_STRICT_CONVERSION 1 - -typedef unsigned long UTF32; /* at least 32 bits */ -typedef unsigned short UTF16; /* at least 16 bits */ -typedef unsigned char UTF8; /* typically 8 bits */ - -#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD -#define UNI_MAX_BMP (UTF32)0x0000FFFF -#define UNI_MAX_UTF16 (UTF32)0x0010FFFF -#define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF -#define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF - -#define UNI_SUR_HIGH_START (UTF32)0xD800 -#define UNI_SUR_HIGH_END (UTF32)0xDBFF -#define UNI_SUR_LOW_START (UTF32)0xDC00 -#define UNI_SUR_LOW_END (UTF32)0xDFFF - -static const int halfShift = 10; /* used for shifting by 10 bits */ - -static const UTF32 halfBase = 0x0010000UL; -static const UTF32 halfMask = 0x3FFUL; - -static unsigned char isLegalUTF8(const UTF8 *source, int length); -static void unicode_escape(char *buf, UTF16 character); -static void unicode_escape_to_buffer(FBuffer *buffer, char buf[6], UTF16 character); -static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string); -static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string); - -/* ruby api and some helpers */ - -typedef struct JSON_Generator_StateStruct { - char *indent; - long indent_len; - char *space; - long space_len; - char *space_before; - long space_before_len; - char *object_nl; - long object_nl_len; - char *array_nl; - long array_nl_len; - FBuffer *array_delim; - FBuffer *object_delim; - FBuffer *object_delim2; - long max_nesting; - char allow_nan; - char ascii_only; -} JSON_Generator_State; - -#define GET_STATE(self) \ - JSON_Generator_State *state; \ - Data_Get_Struct(self, JSON_Generator_State, state) - -static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self); -static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self); -static VALUE mInteger_to_json(int argc, VALUE *argv, VALUE self); -static VALUE mFloat_to_json(int argc, VALUE *argv, VALUE self); -static VALUE mString_included_s(VALUE self, VALUE modul); -static VALUE mString_to_json(int argc, VALUE *argv, VALUE self); -static VALUE mString_to_json_raw_object(VALUE self); -static VALUE mString_to_json_raw(int argc, VALUE *argv, VALUE self); -static VALUE mString_Extend_json_create(VALUE self, VALUE o); -static VALUE mTrueClass_to_json(int argc, VALUE *argv, VALUE self); -static VALUE mFalseClass_to_json(int argc, VALUE *argv, VALUE self); -static VALUE mNilClass_to_json(int argc, VALUE *argv, VALUE self); -static VALUE mObject_to_json(int argc, VALUE *argv, VALUE self); -static void State_free(JSON_Generator_State *state); -static JSON_Generator_State *State_allocate(); -static VALUE cState_s_allocate(VALUE klass); -static VALUE cState_configure(VALUE self, VALUE opts); -static VALUE cState_to_h(VALUE self); -static void generate_json(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj, long depth); -static VALUE cState_partial_generate(VALUE self, VALUE obj, VALUE depth); -static VALUE cState_generate(VALUE self, VALUE obj); -static VALUE cState_initialize(int argc, VALUE *argv, VALUE self); -static VALUE cState_from_state_s(VALUE self, VALUE opts); -static VALUE cState_indent(VALUE self); -static VALUE cState_indent_set(VALUE self, VALUE indent); -static VALUE cState_space(VALUE self); -static VALUE cState_space_set(VALUE self, VALUE space); -static VALUE cState_space_before(VALUE self); -static VALUE cState_space_before_set(VALUE self, VALUE space_before); -static VALUE cState_object_nl(VALUE self); -static VALUE cState_object_nl_set(VALUE self, VALUE object_nl); -static VALUE cState_array_nl(VALUE self); -static VALUE cState_array_nl_set(VALUE self, VALUE array_nl); -static VALUE cState_max_nesting(VALUE self); -static VALUE cState_max_nesting_set(VALUE self, VALUE depth); -static VALUE cState_allow_nan_p(VALUE self); -static VALUE cState_ascii_only_p(VALUE self); - -#endif diff --git a/ext/json/lib/json/add/core.rb b/ext/json/lib/json/add/core.rb index 03a00dded4..4423e7ad75 100644 --- a/ext/json/lib/json/add/core.rb +++ b/ext/json/lib/json/add/core.rb @@ -7,19 +7,6 @@ unless Object.const_defined?(:JSON) and ::JSON.const_defined?(:JSON_LOADED) and end require 'date' -class Symbol - def to_json(*a) - { - JSON.create_id => self.class.name, - 's' => to_s, - }.to_json(*a) - end - - def self.json_create(o) - o['s'].to_sym - end -end - class Time def self.json_create(object) if usec = object.delete('u') # used to be tv_usec -> tv_nsec @@ -34,7 +21,7 @@ class Time def to_json(*args) { - JSON.create_id => self.class.name, + 'json_class' => self.class.name, 's' => tv_sec, 'n' => respond_to?(:tv_nsec) ? tv_nsec : tv_usec * 1000 }.to_json(*args) @@ -50,7 +37,7 @@ class Date def to_json(*args) { - JSON.create_id => self.class.name, + 'json_class' => self.class.name, 'y' => year, 'm' => month, 'd' => day, @@ -76,7 +63,7 @@ class DateTime def to_json(*args) { - JSON.create_id => self.class.name, + 'json_class' => self.class.name, 'y' => year, 'm' => month, 'd' => day, @@ -96,7 +83,7 @@ class Range def to_json(*args) { - JSON.create_id => self.class.name, + 'json_class' => self.class.name, 'a' => [ first, last, exclude_end? ] }.to_json(*args) end @@ -111,7 +98,7 @@ class Struct klass = self.class.name klass.to_s.empty? and raise JSON::JSONError, "Only named structs are supported!" { - JSON.create_id => klass, + 'json_class' => klass, 'v' => values, }.to_json(*args) end @@ -126,7 +113,7 @@ class Exception def to_json(*args) { - JSON.create_id => self.class.name, + 'json_class' => self.class.name, 'm' => message, 'b' => backtrace, }.to_json(*args) @@ -140,7 +127,7 @@ class Regexp def to_json(*) { - JSON.create_id => self.class.name, + 'json_class' => self.class.name, 'o' => options, 's' => source, }.to_json diff --git a/ext/json/lib/json/add/rails.rb b/ext/json/lib/json/add/rails.rb index 8ce85efe57..e86ed1aab9 100644 --- a/ext/json/lib/json/add/rails.rb +++ b/ext/json/lib/json/add/rails.rb @@ -10,7 +10,7 @@ class Object def self.json_create(object) obj = new for key, value in object - next if key == JSON.create_id + next if key == 'json_class' instance_variable_set "@#{key}", value end obj @@ -18,7 +18,7 @@ class Object def to_json(*a) result = { - JSON.create_id => self.class.name + 'json_class' => self.class.name } instance_variables.inject(result) do |r, name| r[name[1..-1]] = instance_variable_get name diff --git a/ext/json/lib/json/common.rb b/ext/json/lib/json/common.rb index 244634b7a1..b816a66cf1 100644 --- a/ext/json/lib/json/common.rb +++ b/ext/json/lib/json/common.rb @@ -1,5 +1,4 @@ require 'json/version' -require 'iconv' module JSON class << self @@ -33,16 +32,12 @@ module JSON # level (absolute namespace path?). If there doesn't exist a constant at # the given path, an ArgumentError is raised. def deep_const_get(path) # :nodoc: - path.to_s.split(/::/).inject(Object) do |p, c| + path = path.to_s + path.split(/::/).inject(Object) do |p, c| case when c.empty? then p when p.const_defined?(c) then p.const_get(c) - else - begin - p.const_missing(c) - rescue NameError - raise ArgumentError, "can't find const #{path}" - end + else raise ArgumentError, "can't find const #{path}" end end end @@ -63,20 +58,6 @@ module JSON end self.state = generator::State const_set :State, self.state - const_set :SAFE_STATE_PROTOTYPE, State.new.freeze - const_set :FAST_STATE_PROTOTYPE, State.new( - :indent => '', - :space => '', - :object_nl => "", - :array_nl => "", - :max_nesting => false - ).freeze - const_set :PRETTY_STATE_PROTOTYPE, State.new( - :indent => ' ', - :space => ' ', - :object_nl => "\n", - :array_nl => "\n" - ).freeze end # Returns the JSON generator modul, that is used by JSON. This might be @@ -109,22 +90,22 @@ module JSON # deep. class NestingError < ParserError; end - # :stopdoc: - class CircularDatastructure < NestingError; end - # :startdoc: - # This exception is raised, if a generator or unparser error occurs. class GeneratorError < JSONError; end # For backwards compatibility UnparserError = GeneratorError + # If a circular data structure is encountered while unparsing + # this exception is raised. + class CircularDatastructure < GeneratorError; end + # This exception is raised, if the required unicode support is missing on the # system. Usually this means, that the iconv library is not installed. class MissingUnicodeSupport < JSONError; end module_function - # Parse the JSON document _source_ into a Ruby data structure and return it. + # Parse the JSON string _source_ into a Ruby data structure and return it. # # _opts_ can have the following # keys: @@ -134,21 +115,16 @@ module JSON # * *allow_nan*: If set to true, allow NaN, Infinity and -Infinity in # defiance of RFC 4627 to be parsed by the Parser. This option defaults # to false. - # * *symbolize_names*: If set to true, returns symbols for the names - # (keys) in a JSON object. Otherwise strings are returned, which is also - # the default. # * *create_additions*: If set to false, the Parser doesn't create # additions even if a matchin class and create_id was found. This option # defaults to true. - # * *object_class*: Defaults to Hash - # * *array_class*: Defaults to Array def parse(source, opts = {}) - Parser.new(source, opts).parse + JSON.parser.new(source, opts).parse end - # Parse the JSON document _source_ into a Ruby data structure and return it. + # Parse the JSON string _source_ into a Ruby data structure and return it. # The bang version of the parse method, defaults to the more dangerous values - # for the _opts_ hash, so be sure only to parse trusted _source_ documents. + # for the _opts_ hash, so be sure only to parse trusted _source_ strings. # # _opts_ can have the following keys: # * *max_nesting*: The maximum depth of nesting allowed in the parsed data @@ -163,14 +139,15 @@ module JSON # defaults to true. def parse!(source, opts = {}) opts = { - :max_nesting => false, - :allow_nan => true + :max_nesting => false, + :allow_nan => true }.update(opts) - Parser.new(source, opts).parse + JSON.parser.new(source, opts).parse end - # Generate a JSON document from the Ruby data structure _obj_ and return - # it. _state_ is * a JSON::State object, + # Unparse the Ruby data structure _obj_ into a single line JSON string and + # return it. _state_ is + # * a JSON::State object, # * or a Hash like object (responding to to_hash), # * an object convertible into a hash by a to_h method, # that is used as or to configure a State object. @@ -183,8 +160,10 @@ module JSON # * *indent*: a string used to indent levels (default: ''), # * *space*: a string that is put after, a : or , delimiter (default: ''), # * *space_before*: a string that is put before a : pair delimiter (default: ''), - # * *object_nl*: a string that is put at the end of a JSON object (default: ''), + # * *object_nl*: a string that is put at the end of a JSON object (default: ''), # * *array_nl*: a string that is put at the end of a JSON array (default: ''), + # * *check_circular*: true if checking for circular data structures + # should be done (the default), false otherwise. # * *allow_nan*: true if NaN, Infinity, and -Infinity should be # generated, otherwise an exception is thrown, if these values are # encountered. This options defaults to false. @@ -195,21 +174,13 @@ module JSON # See also the fast_generate for the fastest creation method with the least # amount of sanity checks, and the pretty_generate method for some # defaults for a pretty output. - def generate(obj, opts = nil) - if opts - if opts.respond_to? :to_hash - opts = opts.to_hash - elsif opts.respond_to? :to_h - opts = opts.to_h - else - raise TypeError, "can't convert #{opts.class} into Hash" - end - state = SAFE_STATE_PROTOTYPE.dup - state = state.configure(opts) + def generate(obj, state = nil) + if state + state = State.from_state(state) else - state = SAFE_STATE_PROTOTYPE + state = State.new end - state.generate(obj) + obj.to_json(state) end # :stopdoc: @@ -219,26 +190,14 @@ module JSON module_function :unparse # :startdoc: - # Generate a JSON document from the Ruby data structure _obj_ and return it. - # This method disables the checks for circles in Ruby objects. + # Unparse the Ruby data structure _obj_ into a single line JSON string and + # return it. This method disables the checks for circles in Ruby objects, and + # also generates NaN, Infinity, and, -Infinity float values. # # *WARNING*: Be careful not to pass any Ruby data structures with circles as # _obj_ argument, because this will cause JSON to go into an infinite loop. - def fast_generate(obj, opts = nil) - if opts - if opts.respond_to? :to_hash - opts = opts.to_hash - elsif opts.respond_to? :to_h - opts = opts.to_h - else - raise TypeError, "can't convert #{opts.class} into Hash" - end - state = FAST_STATE_PROTOTYPE.dup - state.configure(opts) - else - state = FAST_STATE_PROTOTYPE - end - state.generate(obj) + def fast_generate(obj) + obj.to_json(nil) end # :stopdoc: @@ -247,13 +206,19 @@ module JSON module_function :fast_unparse # :startdoc: - # Generate a JSON document from the Ruby data structure _obj_ and return it. - # The returned document is a prettier form of the document returned by - # #unparse. + # Unparse the Ruby data structure _obj_ into a JSON string and return it. The + # returned string is a prettier form of the string returned by #unparse. # # The _opts_ argument can be used to configure the generator, see the # generate method for a more detailed explanation. def pretty_generate(obj, opts = nil) + state = JSON.state.new( + :indent => ' ', + :space => ' ', + :object_nl => "\n", + :array_nl => "\n", + :check_circular => true + ) if opts if opts.respond_to? :to_hash opts = opts.to_hash @@ -262,12 +227,9 @@ module JSON else raise TypeError, "can't convert #{opts.class} into Hash" end - state = PRETTY_STATE_PROTOTYPE.dup state.configure(opts) - else - state = PRETTY_STATE_PROTOTYPE end - state.generate(obj) + obj.to_json(state) end # :stopdoc: @@ -343,11 +305,6 @@ module JSON rescue JSON::NestingError raise ArgumentError, "exceed depth limit" end - - # Shortuct for iconv. - def self.iconv(to, from, string) - Iconv.iconv(to, from, string).first - end end module ::Kernel diff --git a/ext/json/lib/json/editor.rb b/ext/json/lib/json/editor.rb index 1e13f33c8c..9e05f44b5b 100644 --- a/ext/json/lib/json/editor.rb +++ b/ext/json/lib/json/editor.rb @@ -48,14 +48,14 @@ module JSON # Opens an error dialog on top of _window_ showing the error message # _text_. def Editor.error_dialog(window, text) - dialog = MessageDialog.new(window, Dialog::MODAL, - MessageDialog::ERROR, + dialog = MessageDialog.new(window, Dialog::MODAL, + MessageDialog::ERROR, MessageDialog::BUTTONS_CLOSE, text) dialog.show_all dialog.run rescue TypeError - dialog = MessageDialog.new(Editor.window, Dialog::MODAL, - MessageDialog::ERROR, + dialog = MessageDialog.new(Editor.window, Dialog::MODAL, + MessageDialog::ERROR, MessageDialog::BUTTONS_CLOSE, text) dialog.show_all dialog.run @@ -67,8 +67,8 @@ module JSON # message _text_. If yes was answered _true_ is returned, otherwise # _false_. def Editor.question_dialog(window, text) - dialog = MessageDialog.new(window, Dialog::MODAL, - MessageDialog::QUESTION, + dialog = MessageDialog.new(window, Dialog::MODAL, + MessageDialog::QUESTION, MessageDialog::BUTTONS_YES_NO, text) dialog.show_all dialog.run do |response| @@ -465,7 +465,7 @@ module JSON add_separator add_item("Append new node", ?a, &method(:append_new_node)) add_item("Insert new node before", ?i, &method(:insert_new_node)) - add_separator + add_separator add_item("Collapse/Expand node (recursively)", ?e, &method(:collapse_expand)) @@ -504,7 +504,7 @@ module JSON # Revert the current JSON document in the editor to the saved version. def revert(item) window.instance_eval do - @filename and file_open(@filename) + @filename and file_open(@filename) end end @@ -666,7 +666,7 @@ module JSON collapse_all else self.expanded = true - expand_all + expand_all end end @@ -885,7 +885,7 @@ module JSON dialog.signal_connect(:'key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER) dialog.show_all self.focus = dialog - dialog.run do |response| + dialog.run do |response| if response == Dialog::RESPONSE_ACCEPT @key = key_input.text type = ALL_TYPES[@type = type_input.active] @@ -937,7 +937,7 @@ module JSON dialog.signal_connect(:'key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER) dialog.show_all self.focus = dialog - dialog.run do |response| + dialog.run do |response| if response == Dialog::RESPONSE_ACCEPT type = types[type_input.active] @content = case type @@ -982,7 +982,7 @@ module JSON dialog.signal_connect(:'key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER) dialog.show_all self.focus = dialog - dialog.run do |response| + dialog.run do |response| if response == Dialog::RESPONSE_ACCEPT return @order = order_input.text, reverse_checkbox.active? end @@ -1017,7 +1017,7 @@ module JSON dialog.signal_connect(:'key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER) dialog.show_all self.focus = dialog - dialog.run do |response| + dialog.run do |response| if response == Dialog::RESPONSE_ACCEPT begin return Regexp.new(regex_input.text, icase_checkbox.active? ? Regexp::IGNORECASE : 0) @@ -1216,7 +1216,7 @@ module JSON end end - # Save the current file as the filename + # Save the current file as the filename def file_save_as filename = select_file('Save as a JSON file') store_file(filename) @@ -1242,7 +1242,7 @@ module JSON rescue SystemCallError => e Editor.error_dialog(self, "Failed to store JSON file: #{e}!") end - + # Load the file named _filename_ into the editor as a JSON document. def load_file(filename) if filename @@ -1335,7 +1335,7 @@ module JSON dialog.signal_connect(:'key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER) dialog.show_all - dialog.run do |response| + dialog.run do |response| if response == Dialog::RESPONSE_ACCEPT return @location = location_input.text end diff --git a/ext/json/lib/json/version.rb b/ext/json/lib/json/version.rb index 38df3b5951..28bea76b19 100644 --- a/ext/json/lib/json/version.rb +++ b/ext/json/lib/json/version.rb @@ -1,6 +1,6 @@ module JSON # JSON version - VERSION = '1.4.1' + VERSION = '1.1.8' VERSION_ARRAY = VERSION.split(/\./).map { |x| x.to_i } # :nodoc: VERSION_MAJOR = VERSION_ARRAY[0] # :nodoc: VERSION_MINOR = VERSION_ARRAY[1] # :nodoc: diff --git a/ext/json/parser/extconf.rb b/ext/json/parser/extconf.rb deleted file mode 100644 index 4c3e56a506..0000000000 --- a/ext/json/parser/extconf.rb +++ /dev/null @@ -1,14 +0,0 @@ -require 'mkmf' -require 'rbconfig' - -unless $CFLAGS.gsub!(/ -O[\dsz]?/, ' -O3') - $CFLAGS << ' -O3' -end -if CONFIG['CC'] =~ /gcc/ - $CFLAGS << ' -Wall' - #unless $CFLAGS.gsub!(/ -O[\dsz]?/, ' -O0 -ggdb') - # $CFLAGS << ' -O0 -ggdb' - #end -end - -create_makefile 'json/ext/parser' diff --git a/ext/json/parser/parser.c b/ext/json/parser/parser.c deleted file mode 100644 index e1d5bca29e..0000000000 --- a/ext/json/parser/parser.c +++ /dev/null @@ -1,1934 +0,0 @@ - -#line 1 "parser.rl" -#include "parser.h" - -/* unicode */ - -static const char digit_values[256] = { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, - -1, -1, -1, -1, -1, -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1 -}; - -static UTF32 unescape_unicode(const unsigned char *p) -{ - char b; - UTF32 result = 0; - b = digit_values[p[0]]; - if (b < 0) return UNI_REPLACEMENT_CHAR; - result = (result << 4) | b; - b = digit_values[p[1]]; - result = (result << 4) | b; - if (b < 0) return UNI_REPLACEMENT_CHAR; - b = digit_values[p[2]]; - result = (result << 4) | b; - if (b < 0) return UNI_REPLACEMENT_CHAR; - b = digit_values[p[3]]; - result = (result << 4) | b; - if (b < 0) return UNI_REPLACEMENT_CHAR; - return result; -} - -static int convert_UTF32_to_UTF8(char *buf, UTF32 ch) -{ - int len = 1; - if (ch <= 0x7F) { - buf[0] = (char) ch; - } else if (ch <= 0x07FF) { - buf[0] = (char) ((ch >> 6) | 0xC0); - buf[1] = (char) ((ch & 0x3F) | 0x80); - len++; - } else if (ch <= 0xFFFF) { - buf[0] = (char) ((ch >> 12) | 0xE0); - buf[1] = (char) (((ch >> 6) & 0x3F) | 0x80); - buf[2] = (char) ((ch & 0x3F) | 0x80); - len += 2; - } else if (ch <= 0x1fffff) { - buf[0] =(char) ((ch >> 18) | 0xF0); - buf[1] =(char) (((ch >> 12) & 0x3F) | 0x80); - buf[2] =(char) (((ch >> 6) & 0x3F) | 0x80); - buf[3] =(char) ((ch & 0x3F) | 0x80); - len += 3; - } else { - buf[0] = '?'; - } - return len; -} - -#ifdef HAVE_RUBY_ENCODING_H -static VALUE CEncoding_ASCII_8BIT, CEncoding_UTF_8, CEncoding_UTF_16BE, - CEncoding_UTF_16LE, CEncoding_UTF_32BE, CEncoding_UTF_32LE; -static ID i_encoding, i_encode, i_encode_bang, i_force_encoding; -#else -static ID i_iconv; -#endif - -static VALUE mJSON, mExt, cParser, eParserError, eNestingError; -static VALUE CNaN, CInfinity, CMinusInfinity; - -static ID i_json_creatable_p, i_json_create, i_create_id, i_create_additions, - i_chr, i_max_nesting, i_allow_nan, i_symbolize_names, i_object_class, - i_array_class, i_key_p, i_deep_const_get; - - -#line 108 "parser.rl" - - - -#line 90 "parser.c" -static const int JSON_object_start = 1; -static const int JSON_object_first_final = 27; -static const int JSON_object_error = 0; - -static const int JSON_object_en_main = 1; - - -#line 143 "parser.rl" - - -static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - VALUE last_name = Qnil; - VALUE object_class = json->object_class; - - if (json->max_nesting && json->current_nesting > json->max_nesting) { - rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting); - } - - *result = NIL_P(object_class) ? rb_hash_new() : rb_class_new_instance(0, 0, object_class); - - -#line 114 "parser.c" - { - cs = JSON_object_start; - } - -#line 158 "parser.rl" - -#line 121 "parser.c" - { - if ( p == pe ) - goto _test_eof; - switch ( cs ) - { -case 1: - if ( (*p) == 123 ) - goto st2; - goto st0; -st0: -cs = 0; - goto _out; -st2: - if ( ++p == pe ) - goto _test_eof2; -case 2: - switch( (*p) ) { - case 13: goto st2; - case 32: goto st2; - case 34: goto tr2; - case 47: goto st23; - case 125: goto tr4; - } - if ( 9 <= (*p) && (*p) <= 10 ) - goto st2; - goto st0; -tr2: -#line 127 "parser.rl" - { - json->parsing_name = 1; - char *np = JSON_parse_string(json, p, pe, &last_name); - json->parsing_name = 0; - if (np == NULL) { p--; {p++; cs = 3; goto _out;} } else {p = (( np))-1;} - } - goto st3; -st3: - if ( ++p == pe ) - goto _test_eof3; -case 3: -#line 161 "parser.c" - switch( (*p) ) { - case 13: goto st3; - case 32: goto st3; - case 47: goto st4; - case 58: goto st8; - } - if ( 9 <= (*p) && (*p) <= 10 ) - goto st3; - goto st0; -st4: - if ( ++p == pe ) - goto _test_eof4; -case 4: - switch( (*p) ) { - case 42: goto st5; - case 47: goto st7; - } - goto st0; -st5: - if ( ++p == pe ) - goto _test_eof5; -case 5: - if ( (*p) == 42 ) - goto st6; - goto st5; -st6: - if ( ++p == pe ) - goto _test_eof6; -case 6: - switch( (*p) ) { - case 42: goto st6; - case 47: goto st3; - } - goto st5; -st7: - if ( ++p == pe ) - goto _test_eof7; -case 7: - if ( (*p) == 10 ) - goto st3; - goto st7; -st8: - if ( ++p == pe ) - goto _test_eof8; -case 8: - switch( (*p) ) { - case 13: goto st8; - case 32: goto st8; - case 34: goto tr11; - case 45: goto tr11; - case 47: goto st19; - case 73: goto tr11; - case 78: goto tr11; - case 91: goto tr11; - case 102: goto tr11; - case 110: goto tr11; - case 116: goto tr11; - case 123: goto tr11; - } - if ( (*p) > 10 ) { - if ( 48 <= (*p) && (*p) <= 57 ) - goto tr11; - } else if ( (*p) >= 9 ) - goto st8; - goto st0; -tr11: -#line 116 "parser.rl" - { - VALUE v = Qnil; - char *np = JSON_parse_value(json, p, pe, &v); - if (np == NULL) { - p--; {p++; cs = 9; goto _out;} - } else { - rb_hash_aset(*result, last_name, v); - {p = (( np))-1;} - } - } - goto st9; -st9: - if ( ++p == pe ) - goto _test_eof9; -case 9: -#line 244 "parser.c" - switch( (*p) ) { - case 13: goto st9; - case 32: goto st9; - case 44: goto st10; - case 47: goto st15; - case 125: goto tr4; - } - if ( 9 <= (*p) && (*p) <= 10 ) - goto st9; - goto st0; -st10: - if ( ++p == pe ) - goto _test_eof10; -case 10: - switch( (*p) ) { - case 13: goto st10; - case 32: goto st10; - case 34: goto tr2; - case 47: goto st11; - } - if ( 9 <= (*p) && (*p) <= 10 ) - goto st10; - goto st0; -st11: - if ( ++p == pe ) - goto _test_eof11; -case 11: - switch( (*p) ) { - case 42: goto st12; - case 47: goto st14; - } - goto st0; -st12: - if ( ++p == pe ) - goto _test_eof12; -case 12: - if ( (*p) == 42 ) - goto st13; - goto st12; -st13: - if ( ++p == pe ) - goto _test_eof13; -case 13: - switch( (*p) ) { - case 42: goto st13; - case 47: goto st10; - } - goto st12; -st14: - if ( ++p == pe ) - goto _test_eof14; -case 14: - if ( (*p) == 10 ) - goto st10; - goto st14; -st15: - if ( ++p == pe ) - goto _test_eof15; -case 15: - switch( (*p) ) { - case 42: goto st16; - case 47: goto st18; - } - goto st0; -st16: - if ( ++p == pe ) - goto _test_eof16; -case 16: - if ( (*p) == 42 ) - goto st17; - goto st16; -st17: - if ( ++p == pe ) - goto _test_eof17; -case 17: - switch( (*p) ) { - case 42: goto st17; - case 47: goto st9; - } - goto st16; -st18: - if ( ++p == pe ) - goto _test_eof18; -case 18: - if ( (*p) == 10 ) - goto st9; - goto st18; -tr4: -#line 134 "parser.rl" - { p--; {p++; cs = 27; goto _out;} } - goto st27; -st27: - if ( ++p == pe ) - goto _test_eof27; -case 27: -#line 340 "parser.c" - goto st0; -st19: - if ( ++p == pe ) - goto _test_eof19; -case 19: - switch( (*p) ) { - case 42: goto st20; - case 47: goto st22; - } - goto st0; -st20: - if ( ++p == pe ) - goto _test_eof20; -case 20: - if ( (*p) == 42 ) - goto st21; - goto st20; -st21: - if ( ++p == pe ) - goto _test_eof21; -case 21: - switch( (*p) ) { - case 42: goto st21; - case 47: goto st8; - } - goto st20; -st22: - if ( ++p == pe ) - goto _test_eof22; -case 22: - if ( (*p) == 10 ) - goto st8; - goto st22; -st23: - if ( ++p == pe ) - goto _test_eof23; -case 23: - switch( (*p) ) { - case 42: goto st24; - case 47: goto st26; - } - goto st0; -st24: - if ( ++p == pe ) - goto _test_eof24; -case 24: - if ( (*p) == 42 ) - goto st25; - goto st24; -st25: - if ( ++p == pe ) - goto _test_eof25; -case 25: - switch( (*p) ) { - case 42: goto st25; - case 47: goto st2; - } - goto st24; -st26: - if ( ++p == pe ) - goto _test_eof26; -case 26: - if ( (*p) == 10 ) - goto st2; - goto st26; - } - _test_eof2: cs = 2; goto _test_eof; - _test_eof3: cs = 3; goto _test_eof; - _test_eof4: cs = 4; goto _test_eof; - _test_eof5: cs = 5; goto _test_eof; - _test_eof6: cs = 6; goto _test_eof; - _test_eof7: cs = 7; goto _test_eof; - _test_eof8: cs = 8; goto _test_eof; - _test_eof9: cs = 9; goto _test_eof; - _test_eof10: cs = 10; goto _test_eof; - _test_eof11: cs = 11; goto _test_eof; - _test_eof12: cs = 12; goto _test_eof; - _test_eof13: cs = 13; goto _test_eof; - _test_eof14: cs = 14; goto _test_eof; - _test_eof15: cs = 15; goto _test_eof; - _test_eof16: cs = 16; goto _test_eof; - _test_eof17: cs = 17; goto _test_eof; - _test_eof18: cs = 18; goto _test_eof; - _test_eof27: cs = 27; goto _test_eof; - _test_eof19: cs = 19; goto _test_eof; - _test_eof20: cs = 20; goto _test_eof; - _test_eof21: cs = 21; goto _test_eof; - _test_eof22: cs = 22; goto _test_eof; - _test_eof23: cs = 23; goto _test_eof; - _test_eof24: cs = 24; goto _test_eof; - _test_eof25: cs = 25; goto _test_eof; - _test_eof26: cs = 26; goto _test_eof; - - _test_eof: {} - _out: {} - } - -#line 159 "parser.rl" - - if (cs >= JSON_object_first_final) { - if (RTEST(json->create_id)) { - VALUE klassname = rb_hash_aref(*result, json->create_id); - if (!NIL_P(klassname)) { - VALUE klass = rb_funcall(mJSON, i_deep_const_get, 1, klassname); - if RTEST(rb_funcall(klass, i_json_creatable_p, 0)) { - *result = rb_funcall(klass, i_json_create, 1, *result); - } - } - } - return p + 1; - } else { - return NULL; - } -} - - -#line 457 "parser.c" -static const int JSON_value_start = 1; -static const int JSON_value_first_final = 21; -static const int JSON_value_error = 0; - -static const int JSON_value_en_main = 1; - - -#line 257 "parser.rl" - - -static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - - -#line 473 "parser.c" - { - cs = JSON_value_start; - } - -#line 264 "parser.rl" - -#line 480 "parser.c" - { - if ( p == pe ) - goto _test_eof; - switch ( cs ) - { -case 1: - switch( (*p) ) { - case 34: goto tr0; - case 45: goto tr2; - case 73: goto st2; - case 78: goto st9; - case 91: goto tr5; - case 102: goto st11; - case 110: goto st15; - case 116: goto st18; - case 123: goto tr9; - } - if ( 48 <= (*p) && (*p) <= 57 ) - goto tr2; - goto st0; -st0: -cs = 0; - goto _out; -tr0: -#line 205 "parser.rl" - { - char *np = JSON_parse_string(json, p, pe, result); - if (np == NULL) { p--; {p++; cs = 21; goto _out;} } else {p = (( np))-1;} - } - goto st21; -tr2: -#line 210 "parser.rl" - { - char *np; - if(pe > p + 9 && !strncmp(MinusInfinity, p, 9)) { - if (json->allow_nan) { - *result = CMinusInfinity; - {p = (( p + 10))-1;} - p--; {p++; cs = 21; goto _out;} - } else { - rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); - } - } - np = JSON_parse_float(json, p, pe, result); - if (np != NULL) {p = (( np))-1;} - np = JSON_parse_integer(json, p, pe, result); - if (np != NULL) {p = (( np))-1;} - p--; {p++; cs = 21; goto _out;} - } - goto st21; -tr5: -#line 228 "parser.rl" - { - char *np; - json->current_nesting++; - np = JSON_parse_array(json, p, pe, result); - json->current_nesting--; - if (np == NULL) { p--; {p++; cs = 21; goto _out;} } else {p = (( np))-1;} - } - goto st21; -tr9: -#line 236 "parser.rl" - { - char *np; - json->current_nesting++; - np = JSON_parse_object(json, p, pe, result); - json->current_nesting--; - if (np == NULL) { p--; {p++; cs = 21; goto _out;} } else {p = (( np))-1;} - } - goto st21; -tr16: -#line 198 "parser.rl" - { - if (json->allow_nan) { - *result = CInfinity; - } else { - rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 8); - } - } - goto st21; -tr18: -#line 191 "parser.rl" - { - if (json->allow_nan) { - *result = CNaN; - } else { - rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 2); - } - } - goto st21; -tr22: -#line 185 "parser.rl" - { - *result = Qfalse; - } - goto st21; -tr25: -#line 182 "parser.rl" - { - *result = Qnil; - } - goto st21; -tr28: -#line 188 "parser.rl" - { - *result = Qtrue; - } - goto st21; -st21: - if ( ++p == pe ) - goto _test_eof21; -case 21: -#line 244 "parser.rl" - { p--; {p++; cs = 21; goto _out;} } -#line 595 "parser.c" - goto st0; -st2: - if ( ++p == pe ) - goto _test_eof2; -case 2: - if ( (*p) == 110 ) - goto st3; - goto st0; -st3: - if ( ++p == pe ) - goto _test_eof3; -case 3: - if ( (*p) == 102 ) - goto st4; - goto st0; -st4: - if ( ++p == pe ) - goto _test_eof4; -case 4: - if ( (*p) == 105 ) - goto st5; - goto st0; -st5: - if ( ++p == pe ) - goto _test_eof5; -case 5: - if ( (*p) == 110 ) - goto st6; - goto st0; -st6: - if ( ++p == pe ) - goto _test_eof6; -case 6: - if ( (*p) == 105 ) - goto st7; - goto st0; -st7: - if ( ++p == pe ) - goto _test_eof7; -case 7: - if ( (*p) == 116 ) - goto st8; - goto st0; -st8: - if ( ++p == pe ) - goto _test_eof8; -case 8: - if ( (*p) == 121 ) - goto tr16; - goto st0; -st9: - if ( ++p == pe ) - goto _test_eof9; -case 9: - if ( (*p) == 97 ) - goto st10; - goto st0; -st10: - if ( ++p == pe ) - goto _test_eof10; -case 10: - if ( (*p) == 78 ) - goto tr18; - goto st0; -st11: - if ( ++p == pe ) - goto _test_eof11; -case 11: - if ( (*p) == 97 ) - goto st12; - goto st0; -st12: - if ( ++p == pe ) - goto _test_eof12; -case 12: - if ( (*p) == 108 ) - goto st13; - goto st0; -st13: - if ( ++p == pe ) - goto _test_eof13; -case 13: - if ( (*p) == 115 ) - goto st14; - goto st0; -st14: - if ( ++p == pe ) - goto _test_eof14; -case 14: - if ( (*p) == 101 ) - goto tr22; - goto st0; -st15: - if ( ++p == pe ) - goto _test_eof15; -case 15: - if ( (*p) == 117 ) - goto st16; - goto st0; -st16: - if ( ++p == pe ) - goto _test_eof16; -case 16: - if ( (*p) == 108 ) - goto st17; - goto st0; -st17: - if ( ++p == pe ) - goto _test_eof17; -case 17: - if ( (*p) == 108 ) - goto tr25; - goto st0; -st18: - if ( ++p == pe ) - goto _test_eof18; -case 18: - if ( (*p) == 114 ) - goto st19; - goto st0; -st19: - if ( ++p == pe ) - goto _test_eof19; -case 19: - if ( (*p) == 117 ) - goto st20; - goto st0; -st20: - if ( ++p == pe ) - goto _test_eof20; -case 20: - if ( (*p) == 101 ) - goto tr28; - goto st0; - } - _test_eof21: cs = 21; goto _test_eof; - _test_eof2: cs = 2; goto _test_eof; - _test_eof3: cs = 3; goto _test_eof; - _test_eof4: cs = 4; goto _test_eof; - _test_eof5: cs = 5; goto _test_eof; - _test_eof6: cs = 6; goto _test_eof; - _test_eof7: cs = 7; goto _test_eof; - _test_eof8: cs = 8; goto _test_eof; - _test_eof9: cs = 9; goto _test_eof; - _test_eof10: cs = 10; goto _test_eof; - _test_eof11: cs = 11; goto _test_eof; - _test_eof12: cs = 12; goto _test_eof; - _test_eof13: cs = 13; goto _test_eof; - _test_eof14: cs = 14; goto _test_eof; - _test_eof15: cs = 15; goto _test_eof; - _test_eof16: cs = 16; goto _test_eof; - _test_eof17: cs = 17; goto _test_eof; - _test_eof18: cs = 18; goto _test_eof; - _test_eof19: cs = 19; goto _test_eof; - _test_eof20: cs = 20; goto _test_eof; - - _test_eof: {} - _out: {} - } - -#line 265 "parser.rl" - - if (cs >= JSON_value_first_final) { - return p; - } else { - return NULL; - } -} - - -#line 766 "parser.c" -static const int JSON_integer_start = 1; -static const int JSON_integer_first_final = 5; -static const int JSON_integer_error = 0; - -static const int JSON_integer_en_main = 1; - - -#line 281 "parser.rl" - - -static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - - -#line 782 "parser.c" - { - cs = JSON_integer_start; - } - -#line 288 "parser.rl" - json->memo = p; - -#line 790 "parser.c" - { - if ( p == pe ) - goto _test_eof; - switch ( cs ) - { -case 1: - switch( (*p) ) { - case 45: goto st2; - case 48: goto st3; - } - if ( 49 <= (*p) && (*p) <= 57 ) - goto st4; - goto st0; -st0: -cs = 0; - goto _out; -st2: - if ( ++p == pe ) - goto _test_eof2; -case 2: - if ( (*p) == 48 ) - goto st3; - if ( 49 <= (*p) && (*p) <= 57 ) - goto st4; - goto st0; -st3: - if ( ++p == pe ) - goto _test_eof3; -case 3: - if ( 48 <= (*p) && (*p) <= 57 ) - goto st0; - goto tr4; -tr4: -#line 278 "parser.rl" - { p--; {p++; cs = 5; goto _out;} } - goto st5; -st5: - if ( ++p == pe ) - goto _test_eof5; -case 5: -#line 831 "parser.c" - goto st0; -st4: - if ( ++p == pe ) - goto _test_eof4; -case 4: - if ( 48 <= (*p) && (*p) <= 57 ) - goto st4; - goto tr4; - } - _test_eof2: cs = 2; goto _test_eof; - _test_eof3: cs = 3; goto _test_eof; - _test_eof5: cs = 5; goto _test_eof; - _test_eof4: cs = 4; goto _test_eof; - - _test_eof: {} - _out: {} - } - -#line 290 "parser.rl" - - if (cs >= JSON_integer_first_final) { - long len = p - json->memo; - *result = rb_Integer(rb_str_new(json->memo, len)); - return p + 1; - } else { - return NULL; - } -} - - -#line 862 "parser.c" -static const int JSON_float_start = 1; -static const int JSON_float_first_final = 10; -static const int JSON_float_error = 0; - -static const int JSON_float_en_main = 1; - - -#line 312 "parser.rl" - - -static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - - -#line 878 "parser.c" - { - cs = JSON_float_start; - } - -#line 319 "parser.rl" - json->memo = p; - -#line 886 "parser.c" - { - if ( p == pe ) - goto _test_eof; - switch ( cs ) - { -case 1: - switch( (*p) ) { - case 45: goto st2; - case 48: goto st3; - } - if ( 49 <= (*p) && (*p) <= 57 ) - goto st9; - goto st0; -st0: -cs = 0; - goto _out; -st2: - if ( ++p == pe ) - goto _test_eof2; -case 2: - if ( (*p) == 48 ) - goto st3; - if ( 49 <= (*p) && (*p) <= 57 ) - goto st9; - goto st0; -st3: - if ( ++p == pe ) - goto _test_eof3; -case 3: - switch( (*p) ) { - case 46: goto st4; - case 69: goto st6; - case 101: goto st6; - } - goto st0; -st4: - if ( ++p == pe ) - goto _test_eof4; -case 4: - if ( 48 <= (*p) && (*p) <= 57 ) - goto st5; - goto st0; -st5: - if ( ++p == pe ) - goto _test_eof5; -case 5: - switch( (*p) ) { - case 69: goto st6; - case 101: goto st6; - } - if ( (*p) > 46 ) { - if ( 48 <= (*p) && (*p) <= 57 ) - goto st5; - } else if ( (*p) >= 45 ) - goto st0; - goto tr7; -tr7: -#line 306 "parser.rl" - { p--; {p++; cs = 10; goto _out;} } - goto st10; -st10: - if ( ++p == pe ) - goto _test_eof10; -case 10: -#line 951 "parser.c" - goto st0; -st6: - if ( ++p == pe ) - goto _test_eof6; -case 6: - switch( (*p) ) { - case 43: goto st7; - case 45: goto st7; - } - if ( 48 <= (*p) && (*p) <= 57 ) - goto st8; - goto st0; -st7: - if ( ++p == pe ) - goto _test_eof7; -case 7: - if ( 48 <= (*p) && (*p) <= 57 ) - goto st8; - goto st0; -st8: - if ( ++p == pe ) - goto _test_eof8; -case 8: - switch( (*p) ) { - case 69: goto st0; - case 101: goto st0; - } - if ( (*p) > 46 ) { - if ( 48 <= (*p) && (*p) <= 57 ) - goto st8; - } else if ( (*p) >= 45 ) - goto st0; - goto tr7; -st9: - if ( ++p == pe ) - goto _test_eof9; -case 9: - switch( (*p) ) { - case 46: goto st4; - case 69: goto st6; - case 101: goto st6; - } - if ( 48 <= (*p) && (*p) <= 57 ) - goto st9; - goto st0; - } - _test_eof2: cs = 2; goto _test_eof; - _test_eof3: cs = 3; goto _test_eof; - _test_eof4: cs = 4; goto _test_eof; - _test_eof5: cs = 5; goto _test_eof; - _test_eof10: cs = 10; goto _test_eof; - _test_eof6: cs = 6; goto _test_eof; - _test_eof7: cs = 7; goto _test_eof; - _test_eof8: cs = 8; goto _test_eof; - _test_eof9: cs = 9; goto _test_eof; - - _test_eof: {} - _out: {} - } - -#line 321 "parser.rl" - - if (cs >= JSON_float_first_final) { - long len = p - json->memo; - *result = rb_Float(rb_str_new(json->memo, len)); - return p + 1; - } else { - return NULL; - } -} - - - -#line 1025 "parser.c" -static const int JSON_array_start = 1; -static const int JSON_array_first_final = 17; -static const int JSON_array_error = 0; - -static const int JSON_array_en_main = 1; - - -#line 357 "parser.rl" - - -static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - VALUE array_class = json->array_class; - - if (json->max_nesting && json->current_nesting > json->max_nesting) { - rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting); - } - *result = NIL_P(array_class) ? rb_ary_new() : rb_class_new_instance(0, 0, array_class); - - -#line 1047 "parser.c" - { - cs = JSON_array_start; - } - -#line 370 "parser.rl" - -#line 1054 "parser.c" - { - if ( p == pe ) - goto _test_eof; - switch ( cs ) - { -case 1: - if ( (*p) == 91 ) - goto st2; - goto st0; -st0: -cs = 0; - goto _out; -st2: - if ( ++p == pe ) - goto _test_eof2; -case 2: - switch( (*p) ) { - case 13: goto st2; - case 32: goto st2; - case 34: goto tr2; - case 45: goto tr2; - case 47: goto st13; - case 73: goto tr2; - case 78: goto tr2; - case 91: goto tr2; - case 93: goto tr4; - case 102: goto tr2; - case 110: goto tr2; - case 116: goto tr2; - case 123: goto tr2; - } - if ( (*p) > 10 ) { - if ( 48 <= (*p) && (*p) <= 57 ) - goto tr2; - } else if ( (*p) >= 9 ) - goto st2; - goto st0; -tr2: -#line 338 "parser.rl" - { - VALUE v = Qnil; - char *np = JSON_parse_value(json, p, pe, &v); - if (np == NULL) { - p--; {p++; cs = 3; goto _out;} - } else { - rb_ary_push(*result, v); - {p = (( np))-1;} - } - } - goto st3; -st3: - if ( ++p == pe ) - goto _test_eof3; -case 3: -#line 1109 "parser.c" - switch( (*p) ) { - case 13: goto st3; - case 32: goto st3; - case 44: goto st4; - case 47: goto st9; - case 93: goto tr4; - } - if ( 9 <= (*p) && (*p) <= 10 ) - goto st3; - goto st0; -st4: - if ( ++p == pe ) - goto _test_eof4; -case 4: - switch( (*p) ) { - case 13: goto st4; - case 32: goto st4; - case 34: goto tr2; - case 45: goto tr2; - case 47: goto st5; - case 73: goto tr2; - case 78: goto tr2; - case 91: goto tr2; - case 102: goto tr2; - case 110: goto tr2; - case 116: goto tr2; - case 123: goto tr2; - } - if ( (*p) > 10 ) { - if ( 48 <= (*p) && (*p) <= 57 ) - goto tr2; - } else if ( (*p) >= 9 ) - goto st4; - goto st0; -st5: - if ( ++p == pe ) - goto _test_eof5; -case 5: - switch( (*p) ) { - case 42: goto st6; - case 47: goto st8; - } - goto st0; -st6: - if ( ++p == pe ) - goto _test_eof6; -case 6: - if ( (*p) == 42 ) - goto st7; - goto st6; -st7: - if ( ++p == pe ) - goto _test_eof7; -case 7: - switch( (*p) ) { - case 42: goto st7; - case 47: goto st4; - } - goto st6; -st8: - if ( ++p == pe ) - goto _test_eof8; -case 8: - if ( (*p) == 10 ) - goto st4; - goto st8; -st9: - if ( ++p == pe ) - goto _test_eof9; -case 9: - switch( (*p) ) { - case 42: goto st10; - case 47: goto st12; - } - goto st0; -st10: - if ( ++p == pe ) - goto _test_eof10; -case 10: - if ( (*p) == 42 ) - goto st11; - goto st10; -st11: - if ( ++p == pe ) - goto _test_eof11; -case 11: - switch( (*p) ) { - case 42: goto st11; - case 47: goto st3; - } - goto st10; -st12: - if ( ++p == pe ) - goto _test_eof12; -case 12: - if ( (*p) == 10 ) - goto st3; - goto st12; -tr4: -#line 349 "parser.rl" - { p--; {p++; cs = 17; goto _out;} } - goto st17; -st17: - if ( ++p == pe ) - goto _test_eof17; -case 17: -#line 1216 "parser.c" - goto st0; -st13: - if ( ++p == pe ) - goto _test_eof13; -case 13: - switch( (*p) ) { - case 42: goto st14; - case 47: goto st16; - } - goto st0; -st14: - if ( ++p == pe ) - goto _test_eof14; -case 14: - if ( (*p) == 42 ) - goto st15; - goto st14; -st15: - if ( ++p == pe ) - goto _test_eof15; -case 15: - switch( (*p) ) { - case 42: goto st15; - case 47: goto st2; - } - goto st14; -st16: - if ( ++p == pe ) - goto _test_eof16; -case 16: - if ( (*p) == 10 ) - goto st2; - goto st16; - } - _test_eof2: cs = 2; goto _test_eof; - _test_eof3: cs = 3; goto _test_eof; - _test_eof4: cs = 4; goto _test_eof; - _test_eof5: cs = 5; goto _test_eof; - _test_eof6: cs = 6; goto _test_eof; - _test_eof7: cs = 7; goto _test_eof; - _test_eof8: cs = 8; goto _test_eof; - _test_eof9: cs = 9; goto _test_eof; - _test_eof10: cs = 10; goto _test_eof; - _test_eof11: cs = 11; goto _test_eof; - _test_eof12: cs = 12; goto _test_eof; - _test_eof17: cs = 17; goto _test_eof; - _test_eof13: cs = 13; goto _test_eof; - _test_eof14: cs = 14; goto _test_eof; - _test_eof15: cs = 15; goto _test_eof; - _test_eof16: cs = 16; goto _test_eof; - - _test_eof: {} - _out: {} - } - -#line 371 "parser.rl" - - if(cs >= JSON_array_first_final) { - return p + 1; - } else { - rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); - return NULL; - } -} - -static VALUE json_string_unescape(VALUE result, char *string, char *stringEnd) -{ - char *p = string, *pe = string, *unescape; - int unescape_len; - - while (pe < stringEnd) { - if (*pe == '\\') { - unescape = (char *) "?"; - unescape_len = 1; - if (pe > p) rb_str_buf_cat(result, p, pe - p); - switch (*++pe) { - case 'n': - unescape = (char *) "\n"; - break; - case 'r': - unescape = (char *) "\r"; - break; - case 't': - unescape = (char *) "\t"; - break; - case '"': - unescape = (char *) "\""; - break; - case '\\': - unescape = (char *) "\\"; - break; - case 'b': - unescape = (char *) "\b"; - break; - case 'f': - unescape = (char *) "\f"; - break; - case 'u': - if (pe > stringEnd - 4) { - return Qnil; - } else { - char buf[4]; - UTF32 ch = unescape_unicode((unsigned char *) ++pe); - pe += 3; - if (UNI_SUR_HIGH_START == (ch & 0xFC00)) { - pe++; - if (pe > stringEnd - 6) return Qnil; - if (pe[0] == '\\' && pe[1] == 'u') { - UTF32 sur = unescape_unicode((unsigned char *) pe + 2); - ch = (((ch & 0x3F) << 10) | ((((ch >> 6) & 0xF) + 1) << 16) - | (sur & 0x3FF)); - pe += 5; - } else { - unescape = (char *) "?"; - break; - } - } - unescape_len = convert_UTF32_to_UTF8(buf, ch); - unescape = buf; - } - break; - default: - p = pe; - continue; - } - rb_str_buf_cat(result, unescape, unescape_len); - p = ++pe; - } else { - pe++; - } - } - rb_str_buf_cat(result, p, pe - p); - return result; -} - - -#line 1353 "parser.c" -static const int JSON_string_start = 1; -static const int JSON_string_first_final = 8; -static const int JSON_string_error = 0; - -static const int JSON_string_en_main = 1; - - -#line 470 "parser.rl" - - -static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - - *result = rb_str_buf_new(0); - -#line 1370 "parser.c" - { - cs = JSON_string_start; - } - -#line 478 "parser.rl" - json->memo = p; - -#line 1378 "parser.c" - { - if ( p == pe ) - goto _test_eof; - switch ( cs ) - { -case 1: - if ( (*p) == 34 ) - goto st2; - goto st0; -st0: -cs = 0; - goto _out; -st2: - if ( ++p == pe ) - goto _test_eof2; -case 2: - switch( (*p) ) { - case 34: goto tr2; - case 92: goto st3; - } - if ( 0 <= (*p) && (*p) <= 31 ) - goto st0; - goto st2; -tr2: -#line 456 "parser.rl" - { - *result = json_string_unescape(*result, json->memo + 1, p); - if (NIL_P(*result)) { - p--; - {p++; cs = 8; goto _out;} - } else { - FORCE_UTF8(*result); - {p = (( p + 1))-1;} - } - } -#line 467 "parser.rl" - { p--; {p++; cs = 8; goto _out;} } - goto st8; -st8: - if ( ++p == pe ) - goto _test_eof8; -case 8: -#line 1421 "parser.c" - goto st0; -st3: - if ( ++p == pe ) - goto _test_eof3; -case 3: - if ( (*p) == 117 ) - goto st4; - if ( 0 <= (*p) && (*p) <= 31 ) - goto st0; - goto st2; -st4: - if ( ++p == pe ) - goto _test_eof4; -case 4: - if ( (*p) < 65 ) { - if ( 48 <= (*p) && (*p) <= 57 ) - goto st5; - } else if ( (*p) > 70 ) { - if ( 97 <= (*p) && (*p) <= 102 ) - goto st5; - } else - goto st5; - goto st0; -st5: - if ( ++p == pe ) - goto _test_eof5; -case 5: - if ( (*p) < 65 ) { - if ( 48 <= (*p) && (*p) <= 57 ) - goto st6; - } else if ( (*p) > 70 ) { - if ( 97 <= (*p) && (*p) <= 102 ) - goto st6; - } else - goto st6; - goto st0; -st6: - if ( ++p == pe ) - goto _test_eof6; -case 6: - if ( (*p) < 65 ) { - if ( 48 <= (*p) && (*p) <= 57 ) - goto st7; - } else if ( (*p) > 70 ) { - if ( 97 <= (*p) && (*p) <= 102 ) - goto st7; - } else - goto st7; - goto st0; -st7: - if ( ++p == pe ) - goto _test_eof7; -case 7: - if ( (*p) < 65 ) { - if ( 48 <= (*p) && (*p) <= 57 ) - goto st2; - } else if ( (*p) > 70 ) { - if ( 97 <= (*p) && (*p) <= 102 ) - goto st2; - } else - goto st2; - goto st0; - } - _test_eof2: cs = 2; goto _test_eof; - _test_eof8: cs = 8; goto _test_eof; - _test_eof3: cs = 3; goto _test_eof; - _test_eof4: cs = 4; goto _test_eof; - _test_eof5: cs = 5; goto _test_eof; - _test_eof6: cs = 6; goto _test_eof; - _test_eof7: cs = 7; goto _test_eof; - - _test_eof: {} - _out: {} - } - -#line 480 "parser.rl" - - if (json->symbolize_names && json->parsing_name) { - *result = rb_str_intern(*result); - } - if (cs >= JSON_string_first_final) { - return p + 1; - } else { - return NULL; - } -} - - - -#line 1511 "parser.c" -static const int JSON_start = 1; -static const int JSON_first_final = 10; -static const int JSON_error = 0; - -static const int JSON_en_main = 1; - - -#line 517 "parser.rl" - - -/* - * Document-class: JSON::Ext::Parser - * - * This is the JSON parser implemented as a C extension. It can be configured - * to be used by setting - * - * JSON.parser = JSON::Ext::Parser - * - * with the method parser= in JSON. - * - */ - -static VALUE convert_encoding(VALUE source) -{ - char *ptr = RSTRING_PTR(source); - long len = RSTRING_LEN(source); - if (len < 2) { - rb_raise(eParserError, "A JSON text must at least contain two octets!"); - } -#ifdef HAVE_RUBY_ENCODING_H - { - VALUE encoding = rb_funcall(source, i_encoding, 0); - if (encoding == CEncoding_ASCII_8BIT) { - if (len >= 4 && ptr[0] == 0 && ptr[1] == 0 && ptr[2] == 0) { - source = rb_str_dup(source); - rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_32BE); - source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8); - } else if (len >= 4 && ptr[0] == 0 && ptr[2] == 0) { - source = rb_str_dup(source); - rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_16BE); - source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8); - } else if (len >= 4 && ptr[1] == 0 && ptr[2] == 0 && ptr[3] == 0) { - source = rb_str_dup(source); - rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_32LE); - source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8); - } else if (len >= 4 && ptr[1] == 0 && ptr[3] == 0) { - source = rb_str_dup(source); - rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_16LE); - source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8); - } else { - FORCE_UTF8(source); - } - } else { - source = rb_funcall(source, i_encode, 1, CEncoding_UTF_8); - } - } -#else - if (len >= 4 && ptr[0] == 0 && ptr[1] == 0 && ptr[2] == 0) { - source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-32be"), source); - } else if (len >= 4 && ptr[0] == 0 && ptr[2] == 0) { - source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-16be"), source); - } else if (len >= 4 && ptr[1] == 0 && ptr[2] == 0 && ptr[3] == 0) { - source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-32le"), source); - } else if (len >= 4 && ptr[1] == 0 && ptr[3] == 0) { - source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-16le"), source); - } -#endif - return source; -} - -/* - * call-seq: new(source, opts => {}) - * - * Creates a new JSON::Ext::Parser instance for the string _source_. - * - * Creates a new JSON::Ext::Parser instance for the string _source_. - * - * It will be configured by the _opts_ hash. _opts_ can have the following - * keys: - * - * _opts_ can have the following keys: - * * *max_nesting*: The maximum depth of nesting allowed in the parsed data - * structures. Disable depth checking with :max_nesting => false|nil|0, it - * defaults to 19. - * * *allow_nan*: If set to true, allow NaN, Infinity and -Infinity in - * defiance of RFC 4627 to be parsed by the Parser. This option defaults to - * false. - * * *symbolize_names*: If set to true, returns symbols for the names - * (keys) in a JSON object. Otherwise strings are returned, which is also - * the default. - * * *create_additions*: If set to false, the Parser doesn't create - * additions even if a matchin class and create_id was found. This option - * defaults to true. - * * *object_class*: Defaults to Hash - * * *array_class*: Defaults to Array - */ -static VALUE cParser_initialize(int argc, VALUE *argv, VALUE self) -{ - char *ptr; - long len; - VALUE source, opts; - GET_PARSER; - rb_scan_args(argc, argv, "11", &source, &opts); - source = convert_encoding(StringValue(source)); - ptr = RSTRING_PTR(source); - len = RSTRING_LEN(source); - if (!NIL_P(opts)) { - opts = rb_convert_type(opts, T_HASH, "Hash", "to_hash"); - if (NIL_P(opts)) { - rb_raise(rb_eArgError, "opts needs to be like a hash"); - } else { - VALUE tmp = ID2SYM(i_max_nesting); - if (option_given_p(opts, tmp)) { - VALUE max_nesting = rb_hash_aref(opts, tmp); - if (RTEST(max_nesting)) { - Check_Type(max_nesting, T_FIXNUM); - json->max_nesting = FIX2INT(max_nesting); - } else { - json->max_nesting = 0; - } - } else { - json->max_nesting = 19; - } - tmp = ID2SYM(i_allow_nan); - if (option_given_p(opts, tmp)) { - VALUE allow_nan = rb_hash_aref(opts, tmp); - json->allow_nan = RTEST(allow_nan) ? 1 : 0; - } else { - json->allow_nan = 0; - } - tmp = ID2SYM(i_symbolize_names); - if (option_given_p(opts, tmp)) { - VALUE symbolize_names = rb_hash_aref(opts, tmp); - json->symbolize_names = RTEST(symbolize_names) ? 1 : 0; - } else { - json->symbolize_names = 0; - } - tmp = ID2SYM(i_create_additions); - if (option_given_p(opts, tmp)) { - VALUE create_additions = rb_hash_aref(opts, tmp); - if (RTEST(create_additions)) { - json->create_id = rb_funcall(mJSON, i_create_id, 0); - } else { - json->create_id = Qnil; - } - } else { - json->create_id = rb_funcall(mJSON, i_create_id, 0); - } - tmp = ID2SYM(i_object_class); - if (option_given_p(opts, tmp)) { - json->object_class = rb_hash_aref(opts, tmp); - } else { - json->object_class = Qnil; - } - tmp = ID2SYM(i_array_class); - if (option_given_p(opts, tmp)) { - json->array_class = rb_hash_aref(opts, tmp); - } else { - json->array_class = Qnil; - } - } - } else { - json->max_nesting = 19; - json->allow_nan = 0; - json->create_id = rb_funcall(mJSON, i_create_id, 0); - json->object_class = Qnil; - json->array_class = Qnil; - } - json->current_nesting = 0; - json->len = len; - json->source = ptr; - json->Vsource = source; - return self; -} - -/* - * call-seq: parse() - * - * Parses the current JSON text _source_ and returns the complete data - * structure as a result. - */ -static VALUE cParser_parse(VALUE self) -{ - char *p, *pe; - int cs = EVIL; - VALUE result = Qnil; - GET_PARSER; - - -#line 1701 "parser.c" - { - cs = JSON_start; - } - -#line 698 "parser.rl" - p = json->source; - pe = p + json->len; - -#line 1710 "parser.c" - { - if ( p == pe ) - goto _test_eof; - switch ( cs ) - { -st1: - if ( ++p == pe ) - goto _test_eof1; -case 1: - switch( (*p) ) { - case 13: goto st1; - case 32: goto st1; - case 47: goto st2; - case 91: goto tr3; - case 123: goto tr4; - } - if ( 9 <= (*p) && (*p) <= 10 ) - goto st1; - goto st0; -st0: -cs = 0; - goto _out; -st2: - if ( ++p == pe ) - goto _test_eof2; -case 2: - switch( (*p) ) { - case 42: goto st3; - case 47: goto st5; - } - goto st0; -st3: - if ( ++p == pe ) - goto _test_eof3; -case 3: - if ( (*p) == 42 ) - goto st4; - goto st3; -st4: - if ( ++p == pe ) - goto _test_eof4; -case 4: - switch( (*p) ) { - case 42: goto st4; - case 47: goto st1; - } - goto st3; -st5: - if ( ++p == pe ) - goto _test_eof5; -case 5: - if ( (*p) == 10 ) - goto st1; - goto st5; -tr3: -#line 506 "parser.rl" - { - char *np; - json->current_nesting = 1; - np = JSON_parse_array(json, p, pe, &result); - if (np == NULL) { p--; {p++; cs = 10; goto _out;} } else {p = (( np))-1;} - } - goto st10; -tr4: -#line 499 "parser.rl" - { - char *np; - json->current_nesting = 1; - np = JSON_parse_object(json, p, pe, &result); - if (np == NULL) { p--; {p++; cs = 10; goto _out;} } else {p = (( np))-1;} - } - goto st10; -st10: - if ( ++p == pe ) - goto _test_eof10; -case 10: -#line 1787 "parser.c" - switch( (*p) ) { - case 13: goto st10; - case 32: goto st10; - case 47: goto st6; - } - if ( 9 <= (*p) && (*p) <= 10 ) - goto st10; - goto st0; -st6: - if ( ++p == pe ) - goto _test_eof6; -case 6: - switch( (*p) ) { - case 42: goto st7; - case 47: goto st9; - } - goto st0; -st7: - if ( ++p == pe ) - goto _test_eof7; -case 7: - if ( (*p) == 42 ) - goto st8; - goto st7; -st8: - if ( ++p == pe ) - goto _test_eof8; -case 8: - switch( (*p) ) { - case 42: goto st8; - case 47: goto st10; - } - goto st7; -st9: - if ( ++p == pe ) - goto _test_eof9; -case 9: - if ( (*p) == 10 ) - goto st10; - goto st9; - } - _test_eof1: cs = 1; goto _test_eof; - _test_eof2: cs = 2; goto _test_eof; - _test_eof3: cs = 3; goto _test_eof; - _test_eof4: cs = 4; goto _test_eof; - _test_eof5: cs = 5; goto _test_eof; - _test_eof10: cs = 10; goto _test_eof; - _test_eof6: cs = 6; goto _test_eof; - _test_eof7: cs = 7; goto _test_eof; - _test_eof8: cs = 8; goto _test_eof; - _test_eof9: cs = 9; goto _test_eof; - - _test_eof: {} - _out: {} - } - -#line 701 "parser.rl" - - if (cs >= JSON_first_final && p == pe) { - return result; - } else { - rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); - return Qnil; - } -} - -static JSON_Parser *JSON_allocate() -{ - JSON_Parser *json = ALLOC(JSON_Parser); - MEMZERO(json, JSON_Parser, 1); - return json; -} - -static void JSON_mark(JSON_Parser *json) -{ - rb_gc_mark_maybe(json->Vsource); - rb_gc_mark_maybe(json->create_id); - rb_gc_mark_maybe(json->object_class); - rb_gc_mark_maybe(json->array_class); -} - -static void JSON_free(JSON_Parser *json) -{ - ruby_xfree(json); -} - -static VALUE cJSON_parser_s_allocate(VALUE klass) -{ - JSON_Parser *json = JSON_allocate(); - return Data_Wrap_Struct(klass, JSON_mark, JSON_free, json); -} - -/* - * call-seq: source() - * - * Returns a copy of the current _source_ string, that was used to construct - * this Parser. - */ -static VALUE cParser_source(VALUE self) -{ - GET_PARSER; - return rb_str_dup(json->Vsource); -} - -void Init_parser() -{ - rb_require("json/common"); - mJSON = rb_define_module("JSON"); - mExt = rb_define_module_under(mJSON, "Ext"); - cParser = rb_define_class_under(mExt, "Parser", rb_cObject); - eParserError = rb_path2class("JSON::ParserError"); - eNestingError = rb_path2class("JSON::NestingError"); - rb_define_alloc_func(cParser, cJSON_parser_s_allocate); - rb_define_method(cParser, "initialize", cParser_initialize, -1); - rb_define_method(cParser, "parse", cParser_parse, 0); - rb_define_method(cParser, "source", cParser_source, 0); - - CNaN = rb_const_get(mJSON, rb_intern("NaN")); - CInfinity = rb_const_get(mJSON, rb_intern("Infinity")); - CMinusInfinity = rb_const_get(mJSON, rb_intern("MinusInfinity")); - - i_json_creatable_p = rb_intern("json_creatable?"); - i_json_create = rb_intern("json_create"); - i_create_id = rb_intern("create_id"); - i_create_additions = rb_intern("create_additions"); - i_chr = rb_intern("chr"); - i_max_nesting = rb_intern("max_nesting"); - i_allow_nan = rb_intern("allow_nan"); - i_symbolize_names = rb_intern("symbolize_names"); - i_object_class = rb_intern("object_class"); - i_array_class = rb_intern("array_class"); - i_key_p = rb_intern("key?"); - i_deep_const_get = rb_intern("deep_const_get"); -#ifdef HAVE_RUBY_ENCODING_H - CEncoding_UTF_8 = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-8")); - CEncoding_UTF_16BE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-16be")); - CEncoding_UTF_16LE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-16le")); - CEncoding_UTF_32BE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-32be")); - CEncoding_UTF_32LE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-32le")); - CEncoding_ASCII_8BIT = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("ascii-8bit")); - i_encoding = rb_intern("encoding"); - i_encode = rb_intern("encode"); - i_encode_bang = rb_intern("encode!"); - i_force_encoding = rb_intern("force_encoding"); -#else - i_iconv = rb_intern("iconv"); -#endif -} diff --git a/ext/json/parser/parser.h b/ext/json/parser/parser.h deleted file mode 100644 index 688ffdaeba..0000000000 --- a/ext/json/parser/parser.h +++ /dev/null @@ -1,71 +0,0 @@ -#ifndef _PARSER_H_ -#define _PARSER_H_ - -#include "ruby.h" - -#if HAVE_RE_H -#include "re.h" -#endif - -#ifdef HAVE_RUBY_ENCODING_H -#include "ruby/encoding.h" -#define FORCE_UTF8(obj) rb_enc_associate((obj), rb_utf8_encoding()) -#else -#define FORCE_UTF8(obj) -#endif - -#define option_given_p(opts, key) RTEST(rb_funcall(opts, i_key_p, 1, key)) - -/* unicode */ - -typedef unsigned long UTF32; /* at least 32 bits */ -typedef unsigned short UTF16; /* at least 16 bits */ -typedef unsigned char UTF8; /* typically 8 bits */ - -#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD -#define UNI_SUR_HIGH_START (UTF32)0xD800 -#define UNI_SUR_HIGH_END (UTF32)0xDBFF -#define UNI_SUR_LOW_START (UTF32)0xDC00 -#define UNI_SUR_LOW_END (UTF32)0xDFFF - -typedef struct JSON_ParserStruct { - VALUE Vsource; - char *source; - long len; - char *memo; - VALUE create_id; - int max_nesting; - int current_nesting; - int allow_nan; - int parsing_name; - int symbolize_names; - VALUE object_class; - VALUE array_class; -} JSON_Parser; - -#define GET_PARSER \ - JSON_Parser *json; \ - Data_Get_Struct(self, JSON_Parser, json) - -#define MinusInfinity "-Infinity" -#define EVIL 0x666 - -static UTF32 unescape_unicode(const unsigned char *p); -static int convert_UTF32_to_UTF8(char *buf, UTF32 ch); -static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result); -static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result); -static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result); -static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result); -static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result); -static VALUE json_string_unescape(VALUE result, char *string, char *stringEnd); -static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result); -static VALUE convert_encoding(VALUE source); -static VALUE cParser_initialize(int argc, VALUE *argv, VALUE self); -static VALUE cParser_parse(VALUE self); -static JSON_Parser *JSON_allocate(); -static void JSON_mark(JSON_Parser *json); -static void JSON_free(JSON_Parser *json); -static VALUE cJSON_parser_s_allocate(VALUE klass); -static VALUE cParser_source(VALUE self); - -#endif diff --git a/ext/json/parser/parser.rl b/ext/json/parser/parser.rl deleted file mode 100644 index 6a581ec572..0000000000 --- a/ext/json/parser/parser.rl +++ /dev/null @@ -1,791 +0,0 @@ -#include "parser.h" - -/* unicode */ - -static const char digit_values[256] = { - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, - -1, -1, -1, -1, -1, -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1 -}; - -static UTF32 unescape_unicode(const unsigned char *p) -{ - char b; - UTF32 result = 0; - b = digit_values[p[0]]; - if (b < 0) return UNI_REPLACEMENT_CHAR; - result = (result << 4) | b; - b = digit_values[p[1]]; - result = (result << 4) | b; - if (b < 0) return UNI_REPLACEMENT_CHAR; - b = digit_values[p[2]]; - result = (result << 4) | b; - if (b < 0) return UNI_REPLACEMENT_CHAR; - b = digit_values[p[3]]; - result = (result << 4) | b; - if (b < 0) return UNI_REPLACEMENT_CHAR; - return result; -} - -static int convert_UTF32_to_UTF8(char *buf, UTF32 ch) -{ - int len = 1; - if (ch <= 0x7F) { - buf[0] = (char) ch; - } else if (ch <= 0x07FF) { - buf[0] = (char) ((ch >> 6) | 0xC0); - buf[1] = (char) ((ch & 0x3F) | 0x80); - len++; - } else if (ch <= 0xFFFF) { - buf[0] = (char) ((ch >> 12) | 0xE0); - buf[1] = (char) (((ch >> 6) & 0x3F) | 0x80); - buf[2] = (char) ((ch & 0x3F) | 0x80); - len += 2; - } else if (ch <= 0x1fffff) { - buf[0] =(char) ((ch >> 18) | 0xF0); - buf[1] =(char) (((ch >> 12) & 0x3F) | 0x80); - buf[2] =(char) (((ch >> 6) & 0x3F) | 0x80); - buf[3] =(char) ((ch & 0x3F) | 0x80); - len += 3; - } else { - buf[0] = '?'; - } - return len; -} - -#ifdef HAVE_RUBY_ENCODING_H -static VALUE CEncoding_ASCII_8BIT, CEncoding_UTF_8, CEncoding_UTF_16BE, - CEncoding_UTF_16LE, CEncoding_UTF_32BE, CEncoding_UTF_32LE; -static ID i_encoding, i_encode, i_encode_bang, i_force_encoding; -#else -static ID i_iconv; -#endif - -static VALUE mJSON, mExt, cParser, eParserError, eNestingError; -static VALUE CNaN, CInfinity, CMinusInfinity; - -static ID i_json_creatable_p, i_json_create, i_create_id, i_create_additions, - i_chr, i_max_nesting, i_allow_nan, i_symbolize_names, i_object_class, - i_array_class, i_key_p, i_deep_const_get; - -%%{ - machine JSON_common; - - cr = '\n'; - cr_neg = [^\n]; - ws = [ \t\r\n]; - c_comment = '/*' ( any* - (any* '*/' any* ) ) '*/'; - cpp_comment = '//' cr_neg* cr; - comment = c_comment | cpp_comment; - ignore = ws | comment; - name_separator = ':'; - value_separator = ','; - Vnull = 'null'; - Vfalse = 'false'; - Vtrue = 'true'; - VNaN = 'NaN'; - VInfinity = 'Infinity'; - VMinusInfinity = '-Infinity'; - begin_value = [nft"\-[{NI] | digit; - begin_object = '{'; - end_object = '}'; - begin_array = '['; - end_array = ']'; - begin_string = '"'; - begin_name = begin_string; - begin_number = digit | '-'; -}%% - -%%{ - machine JSON_object; - include JSON_common; - - write data; - - action parse_value { - VALUE v = Qnil; - char *np = JSON_parse_value(json, fpc, pe, &v); - if (np == NULL) { - fhold; fbreak; - } else { - rb_hash_aset(*result, last_name, v); - fexec np; - } - } - - action parse_name { - json->parsing_name = 1; - char *np = JSON_parse_string(json, fpc, pe, &last_name); - json->parsing_name = 0; - if (np == NULL) { fhold; fbreak; } else fexec np; - } - - action exit { fhold; fbreak; } - - a_pair = ignore* begin_name >parse_name - ignore* name_separator ignore* - begin_value >parse_value; - - main := begin_object - (a_pair (ignore* value_separator a_pair)*)? - ignore* end_object @exit; -}%% - -static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - VALUE last_name = Qnil; - VALUE object_class = json->object_class; - - if (json->max_nesting && json->current_nesting > json->max_nesting) { - rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting); - } - - *result = NIL_P(object_class) ? rb_hash_new() : rb_class_new_instance(0, 0, object_class); - - %% write init; - %% write exec; - - if (cs >= JSON_object_first_final) { - if (RTEST(json->create_id)) { - VALUE klassname = rb_hash_aref(*result, json->create_id); - if (!NIL_P(klassname)) { - VALUE klass = rb_funcall(mJSON, i_deep_const_get, 1, klassname); - if RTEST(rb_funcall(klass, i_json_creatable_p, 0)) { - *result = rb_funcall(klass, i_json_create, 1, *result); - } - } - } - return p + 1; - } else { - return NULL; - } -} - -%%{ - machine JSON_value; - include JSON_common; - - write data; - - action parse_null { - *result = Qnil; - } - action parse_false { - *result = Qfalse; - } - action parse_true { - *result = Qtrue; - } - action parse_nan { - if (json->allow_nan) { - *result = CNaN; - } else { - rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 2); - } - } - action parse_infinity { - if (json->allow_nan) { - *result = CInfinity; - } else { - rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p - 8); - } - } - action parse_string { - char *np = JSON_parse_string(json, fpc, pe, result); - if (np == NULL) { fhold; fbreak; } else fexec np; - } - - action parse_number { - char *np; - if(pe > fpc + 9 && !strncmp(MinusInfinity, fpc, 9)) { - if (json->allow_nan) { - *result = CMinusInfinity; - fexec p + 10; - fhold; fbreak; - } else { - rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); - } - } - np = JSON_parse_float(json, fpc, pe, result); - if (np != NULL) fexec np; - np = JSON_parse_integer(json, fpc, pe, result); - if (np != NULL) fexec np; - fhold; fbreak; - } - - action parse_array { - char *np; - json->current_nesting++; - np = JSON_parse_array(json, fpc, pe, result); - json->current_nesting--; - if (np == NULL) { fhold; fbreak; } else fexec np; - } - - action parse_object { - char *np; - json->current_nesting++; - np = JSON_parse_object(json, fpc, pe, result); - json->current_nesting--; - if (np == NULL) { fhold; fbreak; } else fexec np; - } - - action exit { fhold; fbreak; } - -main := ( - Vnull @parse_null | - Vfalse @parse_false | - Vtrue @parse_true | - VNaN @parse_nan | - VInfinity @parse_infinity | - begin_number >parse_number | - begin_string >parse_string | - begin_array >parse_array | - begin_object >parse_object - ) %*exit; -}%% - -static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - - %% write init; - %% write exec; - - if (cs >= JSON_value_first_final) { - return p; - } else { - return NULL; - } -} - -%%{ - machine JSON_integer; - - write data; - - action exit { fhold; fbreak; } - - main := '-'? ('0' | [1-9][0-9]*) (^[0-9] @exit); -}%% - -static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - - %% write init; - json->memo = p; - %% write exec; - - if (cs >= JSON_integer_first_final) { - long len = p - json->memo; - *result = rb_Integer(rb_str_new(json->memo, len)); - return p + 1; - } else { - return NULL; - } -} - -%%{ - machine JSON_float; - include JSON_common; - - write data; - - action exit { fhold; fbreak; } - - main := '-'? ( - (('0' | [1-9][0-9]*) '.' [0-9]+ ([Ee] [+\-]?[0-9]+)?) - | (('0' | [1-9][0-9]*) ([Ee] [+\-]?[0-9]+)) - ) (^[0-9Ee.\-] @exit ); -}%% - -static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - - %% write init; - json->memo = p; - %% write exec; - - if (cs >= JSON_float_first_final) { - long len = p - json->memo; - *result = rb_Float(rb_str_new(json->memo, len)); - return p + 1; - } else { - return NULL; - } -} - - -%%{ - machine JSON_array; - include JSON_common; - - write data; - - action parse_value { - VALUE v = Qnil; - char *np = JSON_parse_value(json, fpc, pe, &v); - if (np == NULL) { - fhold; fbreak; - } else { - rb_ary_push(*result, v); - fexec np; - } - } - - action exit { fhold; fbreak; } - - next_element = value_separator ignore* begin_value >parse_value; - - main := begin_array ignore* - ((begin_value >parse_value ignore*) - (ignore* next_element ignore*)*)? - end_array @exit; -}%% - -static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - VALUE array_class = json->array_class; - - if (json->max_nesting && json->current_nesting > json->max_nesting) { - rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting); - } - *result = NIL_P(array_class) ? rb_ary_new() : rb_class_new_instance(0, 0, array_class); - - %% write init; - %% write exec; - - if(cs >= JSON_array_first_final) { - return p + 1; - } else { - rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); - return NULL; - } -} - -static VALUE json_string_unescape(VALUE result, char *string, char *stringEnd) -{ - char *p = string, *pe = string, *unescape; - int unescape_len; - - while (pe < stringEnd) { - if (*pe == '\\') { - unescape = (char *) "?"; - unescape_len = 1; - if (pe > p) rb_str_buf_cat(result, p, pe - p); - switch (*++pe) { - case 'n': - unescape = (char *) "\n"; - break; - case 'r': - unescape = (char *) "\r"; - break; - case 't': - unescape = (char *) "\t"; - break; - case '"': - unescape = (char *) "\""; - break; - case '\\': - unescape = (char *) "\\"; - break; - case 'b': - unescape = (char *) "\b"; - break; - case 'f': - unescape = (char *) "\f"; - break; - case 'u': - if (pe > stringEnd - 4) { - return Qnil; - } else { - char buf[4]; - UTF32 ch = unescape_unicode((unsigned char *) ++pe); - pe += 3; - if (UNI_SUR_HIGH_START == (ch & 0xFC00)) { - pe++; - if (pe > stringEnd - 6) return Qnil; - if (pe[0] == '\\' && pe[1] == 'u') { - UTF32 sur = unescape_unicode((unsigned char *) pe + 2); - ch = (((ch & 0x3F) << 10) | ((((ch >> 6) & 0xF) + 1) << 16) - | (sur & 0x3FF)); - pe += 5; - } else { - unescape = (char *) "?"; - break; - } - } - unescape_len = convert_UTF32_to_UTF8(buf, ch); - unescape = buf; - } - break; - default: - p = pe; - continue; - } - rb_str_buf_cat(result, unescape, unescape_len); - p = ++pe; - } else { - pe++; - } - } - rb_str_buf_cat(result, p, pe - p); - return result; -} - -%%{ - machine JSON_string; - include JSON_common; - - write data; - - action parse_string { - *result = json_string_unescape(*result, json->memo + 1, p); - if (NIL_P(*result)) { - fhold; - fbreak; - } else { - FORCE_UTF8(*result); - fexec p + 1; - } - } - - action exit { fhold; fbreak; } - - main := '"' ((^(["\\] | 0..0x1f) | '\\'["\\/bfnrt] | '\\u'[0-9a-fA-F]{4} | '\\'^(["\\/bfnrtu]|0..0x1f))* %parse_string) '"' @exit; -}%% - -static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result) -{ - int cs = EVIL; - - *result = rb_str_buf_new(0); - %% write init; - json->memo = p; - %% write exec; - - if (json->symbolize_names && json->parsing_name) { - *result = rb_str_intern(*result); - } - if (cs >= JSON_string_first_final) { - return p + 1; - } else { - return NULL; - } -} - - -%%{ - machine JSON; - - write data; - - include JSON_common; - - action parse_object { - char *np; - json->current_nesting = 1; - np = JSON_parse_object(json, fpc, pe, &result); - if (np == NULL) { fhold; fbreak; } else fexec np; - } - - action parse_array { - char *np; - json->current_nesting = 1; - np = JSON_parse_array(json, fpc, pe, &result); - if (np == NULL) { fhold; fbreak; } else fexec np; - } - - main := ignore* ( - begin_object >parse_object | - begin_array >parse_array - ) ignore*; -}%% - -/* - * Document-class: JSON::Ext::Parser - * - * This is the JSON parser implemented as a C extension. It can be configured - * to be used by setting - * - * JSON.parser = JSON::Ext::Parser - * - * with the method parser= in JSON. - * - */ - -static VALUE convert_encoding(VALUE source) -{ - char *ptr = RSTRING_PTR(source); - long len = RSTRING_LEN(source); - if (len < 2) { - rb_raise(eParserError, "A JSON text must at least contain two octets!"); - } -#ifdef HAVE_RUBY_ENCODING_H - { - VALUE encoding = rb_funcall(source, i_encoding, 0); - if (encoding == CEncoding_ASCII_8BIT) { - if (len >= 4 && ptr[0] == 0 && ptr[1] == 0 && ptr[2] == 0) { - source = rb_str_dup(source); - rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_32BE); - source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8); - } else if (len >= 4 && ptr[0] == 0 && ptr[2] == 0) { - source = rb_str_dup(source); - rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_16BE); - source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8); - } else if (len >= 4 && ptr[1] == 0 && ptr[2] == 0 && ptr[3] == 0) { - source = rb_str_dup(source); - rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_32LE); - source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8); - } else if (len >= 4 && ptr[1] == 0 && ptr[3] == 0) { - source = rb_str_dup(source); - rb_funcall(source, i_force_encoding, 1, CEncoding_UTF_16LE); - source = rb_funcall(source, i_encode_bang, 1, CEncoding_UTF_8); - } else { - FORCE_UTF8(source); - } - } else { - source = rb_funcall(source, i_encode, 1, CEncoding_UTF_8); - } - } -#else - if (len >= 4 && ptr[0] == 0 && ptr[1] == 0 && ptr[2] == 0) { - source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-32be"), source); - } else if (len >= 4 && ptr[0] == 0 && ptr[2] == 0) { - source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-16be"), source); - } else if (len >= 4 && ptr[1] == 0 && ptr[2] == 0 && ptr[3] == 0) { - source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-32le"), source); - } else if (len >= 4 && ptr[1] == 0 && ptr[3] == 0) { - source = rb_funcall(mJSON, i_iconv, 3, rb_str_new2("utf-8"), rb_str_new2("utf-16le"), source); - } -#endif - return source; -} - -/* - * call-seq: new(source, opts => {}) - * - * Creates a new JSON::Ext::Parser instance for the string _source_. - * - * Creates a new JSON::Ext::Parser instance for the string _source_. - * - * It will be configured by the _opts_ hash. _opts_ can have the following - * keys: - * - * _opts_ can have the following keys: - * * *max_nesting*: The maximum depth of nesting allowed in the parsed data - * structures. Disable depth checking with :max_nesting => false|nil|0, it - * defaults to 19. - * * *allow_nan*: If set to true, allow NaN, Infinity and -Infinity in - * defiance of RFC 4627 to be parsed by the Parser. This option defaults to - * false. - * * *symbolize_names*: If set to true, returns symbols for the names - * (keys) in a JSON object. Otherwise strings are returned, which is also - * the default. - * * *create_additions*: If set to false, the Parser doesn't create - * additions even if a matchin class and create_id was found. This option - * defaults to true. - * * *object_class*: Defaults to Hash - * * *array_class*: Defaults to Array - */ -static VALUE cParser_initialize(int argc, VALUE *argv, VALUE self) -{ - char *ptr; - long len; - VALUE source, opts; - GET_PARSER; - rb_scan_args(argc, argv, "11", &source, &opts); - source = convert_encoding(StringValue(source)); - ptr = RSTRING_PTR(source); - len = RSTRING_LEN(source); - if (!NIL_P(opts)) { - opts = rb_convert_type(opts, T_HASH, "Hash", "to_hash"); - if (NIL_P(opts)) { - rb_raise(rb_eArgError, "opts needs to be like a hash"); - } else { - VALUE tmp = ID2SYM(i_max_nesting); - if (option_given_p(opts, tmp)) { - VALUE max_nesting = rb_hash_aref(opts, tmp); - if (RTEST(max_nesting)) { - Check_Type(max_nesting, T_FIXNUM); - json->max_nesting = FIX2INT(max_nesting); - } else { - json->max_nesting = 0; - } - } else { - json->max_nesting = 19; - } - tmp = ID2SYM(i_allow_nan); - if (option_given_p(opts, tmp)) { - VALUE allow_nan = rb_hash_aref(opts, tmp); - json->allow_nan = RTEST(allow_nan) ? 1 : 0; - } else { - json->allow_nan = 0; - } - tmp = ID2SYM(i_symbolize_names); - if (option_given_p(opts, tmp)) { - VALUE symbolize_names = rb_hash_aref(opts, tmp); - json->symbolize_names = RTEST(symbolize_names) ? 1 : 0; - } else { - json->symbolize_names = 0; - } - tmp = ID2SYM(i_create_additions); - if (option_given_p(opts, tmp)) { - VALUE create_additions = rb_hash_aref(opts, tmp); - if (RTEST(create_additions)) { - json->create_id = rb_funcall(mJSON, i_create_id, 0); - } else { - json->create_id = Qnil; - } - } else { - json->create_id = rb_funcall(mJSON, i_create_id, 0); - } - tmp = ID2SYM(i_object_class); - if (option_given_p(opts, tmp)) { - json->object_class = rb_hash_aref(opts, tmp); - } else { - json->object_class = Qnil; - } - tmp = ID2SYM(i_array_class); - if (option_given_p(opts, tmp)) { - json->array_class = rb_hash_aref(opts, tmp); - } else { - json->array_class = Qnil; - } - } - } else { - json->max_nesting = 19; - json->allow_nan = 0; - json->create_id = rb_funcall(mJSON, i_create_id, 0); - json->object_class = Qnil; - json->array_class = Qnil; - } - json->current_nesting = 0; - json->len = len; - json->source = ptr; - json->Vsource = source; - return self; -} - -/* - * call-seq: parse() - * - * Parses the current JSON text _source_ and returns the complete data - * structure as a result. - */ -static VALUE cParser_parse(VALUE self) -{ - char *p, *pe; - int cs = EVIL; - VALUE result = Qnil; - GET_PARSER; - - %% write init; - p = json->source; - pe = p + json->len; - %% write exec; - - if (cs >= JSON_first_final && p == pe) { - return result; - } else { - rb_raise(eParserError, "%u: unexpected token at '%s'", __LINE__, p); - return Qnil; - } -} - -static JSON_Parser *JSON_allocate() -{ - JSON_Parser *json = ALLOC(JSON_Parser); - MEMZERO(json, JSON_Parser, 1); - return json; -} - -static void JSON_mark(JSON_Parser *json) -{ - rb_gc_mark_maybe(json->Vsource); - rb_gc_mark_maybe(json->create_id); - rb_gc_mark_maybe(json->object_class); - rb_gc_mark_maybe(json->array_class); -} - -static void JSON_free(JSON_Parser *json) -{ - ruby_xfree(json); -} - -static VALUE cJSON_parser_s_allocate(VALUE klass) -{ - JSON_Parser *json = JSON_allocate(); - return Data_Wrap_Struct(klass, JSON_mark, JSON_free, json); -} - -/* - * call-seq: source() - * - * Returns a copy of the current _source_ string, that was used to construct - * this Parser. - */ -static VALUE cParser_source(VALUE self) -{ - GET_PARSER; - return rb_str_dup(json->Vsource); -} - -void Init_parser() -{ - rb_require("json/common"); - mJSON = rb_define_module("JSON"); - mExt = rb_define_module_under(mJSON, "Ext"); - cParser = rb_define_class_under(mExt, "Parser", rb_cObject); - eParserError = rb_path2class("JSON::ParserError"); - eNestingError = rb_path2class("JSON::NestingError"); - rb_define_alloc_func(cParser, cJSON_parser_s_allocate); - rb_define_method(cParser, "initialize", cParser_initialize, -1); - rb_define_method(cParser, "parse", cParser_parse, 0); - rb_define_method(cParser, "source", cParser_source, 0); - - CNaN = rb_const_get(mJSON, rb_intern("NaN")); - CInfinity = rb_const_get(mJSON, rb_intern("Infinity")); - CMinusInfinity = rb_const_get(mJSON, rb_intern("MinusInfinity")); - - i_json_creatable_p = rb_intern("json_creatable?"); - i_json_create = rb_intern("json_create"); - i_create_id = rb_intern("create_id"); - i_create_additions = rb_intern("create_additions"); - i_chr = rb_intern("chr"); - i_max_nesting = rb_intern("max_nesting"); - i_allow_nan = rb_intern("allow_nan"); - i_symbolize_names = rb_intern("symbolize_names"); - i_object_class = rb_intern("object_class"); - i_array_class = rb_intern("array_class"); - i_key_p = rb_intern("key?"); - i_deep_const_get = rb_intern("deep_const_get"); -#ifdef HAVE_RUBY_ENCODING_H - CEncoding_UTF_8 = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-8")); - CEncoding_UTF_16BE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-16be")); - CEncoding_UTF_16LE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-16le")); - CEncoding_UTF_32BE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-32be")); - CEncoding_UTF_32LE = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("utf-32le")); - CEncoding_ASCII_8BIT = rb_funcall(rb_path2class("Encoding"), rb_intern("find"), 1, rb_str_new2("ascii-8bit")); - i_encoding = rb_intern("encoding"); - i_encode = rb_intern("encode"); - i_encode_bang = rb_intern("encode!"); - i_force_encoding = rb_intern("force_encoding"); -#else - i_iconv = rb_intern("iconv"); -#endif -} -- cgit v1.2.3