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4d059bf9f5
* ext/json/generator/generator.c (cState_s_allocate): allocate structs with making new wrapper objects and get rid of potential memory leak. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50661 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
166 lines
7.1 KiB
C
166 lines
7.1 KiB
C
#ifndef _GENERATOR_H_
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#define _GENERATOR_H_
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#include <string.h>
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#include <math.h>
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#include <ctype.h>
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#include "ruby.h"
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#ifdef HAVE_RUBY_RE_H
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#include "ruby/re.h"
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#else
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#include "re.h"
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#endif
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#ifndef rb_intern_str
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#define rb_intern_str(string) SYM2ID(rb_str_intern(string))
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#endif
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#ifndef rb_obj_instance_variables
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#define rb_obj_instance_variables(object) rb_funcall(object, rb_intern("instance_variables"), 0)
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#endif
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#define option_given_p(opts, key) RTEST(rb_funcall(opts, i_key_p, 1, key))
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/* unicode definitions */
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#define UNI_STRICT_CONVERSION 1
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typedef unsigned long UTF32; /* at least 32 bits */
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typedef unsigned short UTF16; /* at least 16 bits */
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typedef unsigned char UTF8; /* typically 8 bits */
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#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD
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#define UNI_MAX_BMP (UTF32)0x0000FFFF
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#define UNI_MAX_UTF16 (UTF32)0x0010FFFF
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#define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF
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#define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF
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#define UNI_SUR_HIGH_START (UTF32)0xD800
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#define UNI_SUR_HIGH_END (UTF32)0xDBFF
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#define UNI_SUR_LOW_START (UTF32)0xDC00
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#define UNI_SUR_LOW_END (UTF32)0xDFFF
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static const int halfShift = 10; /* used for shifting by 10 bits */
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static const UTF32 halfBase = 0x0010000UL;
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static const UTF32 halfMask = 0x3FFUL;
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static unsigned char isLegalUTF8(const UTF8 *source, unsigned long length);
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static void unicode_escape(char *buf, UTF16 character);
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static void unicode_escape_to_buffer(FBuffer *buffer, char buf[6], UTF16 character);
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static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string);
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static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string);
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static char *fstrndup(const char *ptr, unsigned long len);
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/* ruby api and some helpers */
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typedef struct JSON_Generator_StateStruct {
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char *indent;
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long indent_len;
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char *space;
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long space_len;
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char *space_before;
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long space_before_len;
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char *object_nl;
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long object_nl_len;
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char *array_nl;
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long array_nl_len;
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FBuffer *array_delim;
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FBuffer *object_delim;
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FBuffer *object_delim2;
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long max_nesting;
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char allow_nan;
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char ascii_only;
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char quirks_mode;
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long depth;
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long buffer_initial_length;
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} JSON_Generator_State;
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#define GET_STATE_TO(self, state) \
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TypedData_Get_Struct(self, JSON_Generator_State, &JSON_Generator_State_type, state)
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#define GET_STATE(self) \
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JSON_Generator_State *state; \
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GET_STATE_TO(self, state)
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#define GENERATE_JSON(type) \
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FBuffer *buffer; \
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VALUE Vstate; \
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JSON_Generator_State *state; \
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\
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rb_scan_args(argc, argv, "01", &Vstate); \
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Vstate = cState_from_state_s(cState, Vstate); \
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TypedData_Get_Struct(Vstate, JSON_Generator_State, &JSON_Generator_State_type, state); \
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buffer = cState_prepare_buffer(Vstate); \
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generate_json_##type(buffer, Vstate, state, self); \
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return fbuffer_to_s(buffer)
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static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self);
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static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self);
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static VALUE mFixnum_to_json(int argc, VALUE *argv, VALUE self);
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static VALUE mBignum_to_json(int argc, VALUE *argv, VALUE self);
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static VALUE mFloat_to_json(int argc, VALUE *argv, VALUE self);
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static VALUE mString_included_s(VALUE self, VALUE modul);
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static VALUE mString_to_json(int argc, VALUE *argv, VALUE self);
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static VALUE mString_to_json_raw_object(VALUE self);
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static VALUE mString_to_json_raw(int argc, VALUE *argv, VALUE self);
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static VALUE mString_Extend_json_create(VALUE self, VALUE o);
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static VALUE mTrueClass_to_json(int argc, VALUE *argv, VALUE self);
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static VALUE mFalseClass_to_json(int argc, VALUE *argv, VALUE self);
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static VALUE mNilClass_to_json(int argc, VALUE *argv, VALUE self);
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static VALUE mObject_to_json(int argc, VALUE *argv, VALUE self);
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static void State_free(void *state);
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static VALUE cState_s_allocate(VALUE klass);
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static VALUE cState_configure(VALUE self, VALUE opts);
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static VALUE cState_to_h(VALUE self);
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static void generate_json(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
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static void generate_json_object(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
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static void generate_json_array(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
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static void generate_json_string(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
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static void generate_json_null(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
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static void generate_json_false(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
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static void generate_json_true(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
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static void generate_json_fixnum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
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static void generate_json_bignum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
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static void generate_json_float(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
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static VALUE cState_partial_generate(VALUE self, VALUE obj);
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static VALUE cState_generate(VALUE self, VALUE obj);
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static VALUE cState_initialize(int argc, VALUE *argv, VALUE self);
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static VALUE cState_from_state_s(VALUE self, VALUE opts);
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static VALUE cState_indent(VALUE self);
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static VALUE cState_indent_set(VALUE self, VALUE indent);
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static VALUE cState_space(VALUE self);
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static VALUE cState_space_set(VALUE self, VALUE space);
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static VALUE cState_space_before(VALUE self);
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static VALUE cState_space_before_set(VALUE self, VALUE space_before);
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static VALUE cState_object_nl(VALUE self);
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static VALUE cState_object_nl_set(VALUE self, VALUE object_nl);
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static VALUE cState_array_nl(VALUE self);
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static VALUE cState_array_nl_set(VALUE self, VALUE array_nl);
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static VALUE cState_max_nesting(VALUE self);
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static VALUE cState_max_nesting_set(VALUE self, VALUE depth);
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static VALUE cState_allow_nan_p(VALUE self);
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static VALUE cState_ascii_only_p(VALUE self);
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static VALUE cState_depth(VALUE self);
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static VALUE cState_depth_set(VALUE self, VALUE depth);
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static FBuffer *cState_prepare_buffer(VALUE self);
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#ifndef ZALLOC
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#define ZALLOC(type) ((type *)ruby_zalloc(sizeof(type)))
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static inline void *ruby_zalloc(size_t n)
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{
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void *p = ruby_xmalloc(n);
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memset(p, 0, n);
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return p;
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}
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#endif
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#ifdef TypedData_Make_Struct
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static const rb_data_type_t JSON_Generator_State_type;
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#define NEW_TYPEDDATA_WRAPPER 1
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#else
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#define TypedData_Make_Struct(klass, type, ignore, json) Data_Make_Struct(klass, type, NULL, State_free, json)
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#define TypedData_Get_Struct(self, JSON_Generator_State, ignore, json) Data_Get_Struct(self, JSON_Generator_State, json)
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#endif
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#endif
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