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synced 2025-08-23 13:04:13 +02:00
630c681321
Given that we called `rb_enc_str_asciionly_p`, if the string encoding
isn't valid UTF-8, we can't know it very cheaply by checking the
encoding and coderange that was just computed by Ruby, rather than
to do it ourselves.
Also Ruby might have already computed that earlier.
4b04c469d5
171 lines
7.2 KiB
C
171 lines
7.2 KiB
C
#ifndef _GENERATOR_H_
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#define _GENERATOR_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 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, char script_safe);
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static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string, char script_safe);
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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 script_safe;
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char strict;
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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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#ifdef RUBY_INTEGER_UNIFICATION
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static VALUE mInteger_to_json(int argc, VALUE *argv, VALUE self);
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#else
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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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#endif
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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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#ifdef RUBY_INTEGER_UNIFICATION
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static void generate_json_integer(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
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#endif
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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 VALUE cState_script_safe(VALUE self);
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static VALUE cState_script_safe_set(VALUE self, VALUE depth);
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static VALUE cState_strict(VALUE self);
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static VALUE cState_strict_set(VALUE self, VALUE strict);
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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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static const rb_data_type_t JSON_Generator_State_type;
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#endif
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