#ifndef _GENERATOR_H_ #define _GENERATOR_H_ #include #include #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; 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); #ifdef RUBY_INTEGER_UNIFICATION static VALUE mInteger_to_json(int argc, VALUE *argv, VALUE self); #else static VALUE mFixnum_to_json(int argc, VALUE *argv, VALUE self); static VALUE mBignum_to_json(int argc, VALUE *argv, VALUE self); #endif 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 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); #ifdef RUBY_INTEGER_UNIFICATION static void generate_json_integer(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj); #endif 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_Make_Struct static const rb_data_type_t JSON_Generator_State_type; #define NEW_TYPEDDATA_WRAPPER 1 #else #define TypedData_Make_Struct(klass, type, ignore, json) Data_Make_Struct(klass, type, NULL, State_free, json) #define TypedData_Get_Struct(self, JSON_Generator_State, ignore, json) Data_Get_Struct(self, JSON_Generator_State, json) #endif #endif