diff options
Diffstat (limited to 'ext/json/generator/generator.h')
| -rw-r--r-- | ext/json/generator/generator.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/ext/json/generator/generator.h b/ext/json/generator/generator.h new file mode 100644 index 0000000000..416159a9c5 --- /dev/null +++ b/ext/json/generator/generator.h @@ -0,0 +1,167 @@ +#ifndef _GENERATOR_H_ +#define _GENERATOR_H_ + +#include <string.h> +#include <math.h> +#include <ctype.h> + +#include "ruby.h" + +#ifdef HAVE_RUBY_RE_H +#include "ruby/re.h" +#else +#include "re.h" +#endif + +#ifndef rb_intern_str +#define rb_intern_str(string) SYM2ID(rb_str_intern(string)) +#endif + +#ifndef rb_obj_instance_variables +#define rb_obj_instance_variables(object) rb_funcall(object, rb_intern("instance_variables"), 0) +#endif + +#define option_given_p(opts, key) RTEST(rb_funcall(opts, i_key_p, 1, key)) + +/* unicode definitions */ + +#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, unsigned long 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); +static char *fstrndup(const char *ptr, unsigned long len); + +/* 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; + char quirks_mode; + long depth; + long buffer_initial_length; +} JSON_Generator_State; + +#define GET_STATE_TO(self, state) \ + TypedData_Get_Struct(self, JSON_Generator_State, &JSON_Generator_State_type, state) + +#define GET_STATE(self) \ + JSON_Generator_State *state; \ + GET_STATE_TO(self, state) + +#define GENERATE_JSON(type) \ + FBuffer *buffer; \ + VALUE Vstate; \ + JSON_Generator_State *state; \ + \ + rb_scan_args(argc, argv, "01", &Vstate); \ + Vstate = cState_from_state_s(cState, Vstate); \ + TypedData_Get_Struct(Vstate, JSON_Generator_State, &JSON_Generator_State_type, state); \ + buffer = cState_prepare_buffer(Vstate); \ + generate_json_##type(buffer, Vstate, state, self); \ + return fbuffer_to_s(buffer) + +static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self); +static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self); +static VALUE mFixnum_to_json(int argc, VALUE *argv, VALUE self); +static VALUE mBignum_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(void *state); +static JSON_Generator_State *State_allocate(void); +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); +static void generate_json_object(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); +static void generate_json_array(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); +static void generate_json_string(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); +static void generate_json_null(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); +static void generate_json_false(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); +static void generate_json_true(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); +static void generate_json_fixnum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); +static void generate_json_bignum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); +static void generate_json_float(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); +static VALUE cState_partial_generate(VALUE self, VALUE obj); +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); +static VALUE cState_depth(VALUE self); +static VALUE cState_depth_set(VALUE self, VALUE depth); +static FBuffer *cState_prepare_buffer(VALUE self); +#ifndef ZALLOC +#define ZALLOC(type) ((type *)ruby_zalloc(sizeof(type))) +static inline void *ruby_zalloc(size_t n) +{ + void *p = ruby_xmalloc(n); + memset(p, 0, n); + return p; +} +#endif +#ifdef TypedData_Wrap_Struct +static const rb_data_type_t JSON_Generator_State_type; +#define NEW_TYPEDDATA_WRAPPER 1 +#else +#define TypedData_Wrap_Struct(klass, ignore, json) Data_Wrap_Struct(klass, NULL, State_free, json) +#define TypedData_Get_Struct(self, JSON_Generator_State, ignore, json) Data_Get_Struct(self, JSON_Generator_State, json) +#endif + +#endif |