Ruby 2.7.0p0(2019-12-25revision647ee6f091eafcce70ffb75ddf7e121e192ab217)

generator.h
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1 #ifndef _GENERATOR_H_
2 #define _GENERATOR_H_
3
4 #include <math.h>
5 #include <ctype.h>
6
7 #include "ruby.h"
8
9 #ifdef HAVE_RUBY_RE_H
10 #include "ruby/re.h"
11 #else
12 #include "re.h"
13 #endif
14
15 #ifndef rb_intern_str
16 #define rb_intern_str(string) SYM2ID(rb_str_intern(string))
17 #endif
18
19 #ifndef rb_obj_instance_variables
20 #define rb_obj_instance_variables(object) rb_funcall(object, rb_intern("instance_variables"), 0)
21 #endif
22
23 #define option_given_p(opts, key) RTEST(rb_funcall(opts, i_key_p, 1, key))
24
25 /* unicode definitions */
26
27 #define UNI_STRICT_CONVERSION 1
28
29 typedef unsigned long UTF32; /* at least 32 bits */
30 typedef unsigned short UTF16; /* at least 16 bits */
31 typedef unsigned char UTF8; /* typically 8 bits */
32
33 #define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD
34 #define UNI_MAX_BMP (UTF32)0x0000FFFF
35 #define UNI_MAX_UTF16 (UTF32)0x0010FFFF
36 #define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF
37 #define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF
38
39 #define UNI_SUR_HIGH_START (UTF32)0xD800
40 #define UNI_SUR_HIGH_END (UTF32)0xDBFF
41 #define UNI_SUR_LOW_START (UTF32)0xDC00
42 #define UNI_SUR_LOW_END (UTF32)0xDFFF
43
44 static const int halfShift = 10; /* used for shifting by 10 bits */
45
46 static const UTF32 halfBase = 0x0010000UL;
47 static const UTF32 halfMask = 0x3FFUL;
48
49 static unsigned char isLegalUTF8(const UTF8 *source, unsigned long length);
50 static void unicode_escape(char *buf, UTF16 character);
51 static void unicode_escape_to_buffer(FBuffer *buffer, char buf[6], UTF16 character);
52 static void convert_UTF8_to_JSON_ASCII(FBuffer *buffer, VALUE string);
53 static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string);
54 static char *fstrndup(const char *ptr, unsigned long len);
55
56 /* ruby api and some helpers */
57
58 typedef struct JSON_Generator_StateStruct {
59 char *indent;
60 long indent_len;
61 char *space;
62 long space_len;
63 char *space_before;
64 long space_before_len;
65 char *object_nl;
66 long object_nl_len;
67 char *array_nl;
68 long array_nl_len;
69 FBuffer *array_delim;
70 FBuffer *object_delim;
71 FBuffer *object_delim2;
72 long max_nesting;
73 char allow_nan;
74 char ascii_only;
75 long depth;
76 long buffer_initial_length;
77 } JSON_Generator_State;
78
79 #define GET_STATE_TO(self, state) \
80 TypedData_Get_Struct(self, JSON_Generator_State, &JSON_Generator_State_type, state)
81
82 #define GET_STATE(self) \
83 JSON_Generator_State *state; \
84 GET_STATE_TO(self, state)
85
86 #define GENERATE_JSON(type) \
87 FBuffer *buffer; \
88 VALUE Vstate; \
89 JSON_Generator_State *state; \
90 \
91 rb_scan_args(argc, argv, "01", &Vstate); \
92 Vstate = cState_from_state_s(cState, Vstate); \
93 TypedData_Get_Struct(Vstate, JSON_Generator_State, &JSON_Generator_State_type, state); \
94 buffer = cState_prepare_buffer(Vstate); \
95 generate_json_##type(buffer, Vstate, state, self); \
96 return fbuffer_to_s(buffer)
97
98 static VALUE mHash_to_json(int argc, VALUE *argv, VALUE self);
99 static VALUE mArray_to_json(int argc, VALUE *argv, VALUE self);
100 #ifdef RUBY_INTEGER_UNIFICATION
101 static VALUE mInteger_to_json(int argc, VALUE *argv, VALUE self);
102 #else
103 static VALUE mFixnum_to_json(int argc, VALUE *argv, VALUE self);
104 static VALUE mBignum_to_json(int argc, VALUE *argv, VALUE self);
105 #endif
106 static VALUE mFloat_to_json(int argc, VALUE *argv, VALUE self);
107 static VALUE mString_included_s(VALUE self, VALUE modul);
108 static VALUE mString_to_json(int argc, VALUE *argv, VALUE self);
109 static VALUE mString_to_json_raw_object(VALUE self);
110 static VALUE mString_to_json_raw(int argc, VALUE *argv, VALUE self);
111 static VALUE mString_Extend_json_create(VALUE self, VALUE o);
112 static VALUE mTrueClass_to_json(int argc, VALUE *argv, VALUE self);
113 static VALUE mFalseClass_to_json(int argc, VALUE *argv, VALUE self);
114 static VALUE mNilClass_to_json(int argc, VALUE *argv, VALUE self);
115 static VALUE mObject_to_json(int argc, VALUE *argv, VALUE self);
116 static void State_free(void *state);
117 static VALUE cState_s_allocate(VALUE klass);
118 static VALUE cState_configure(VALUE self, VALUE opts);
119 static VALUE cState_to_h(VALUE self);
120 static void generate_json(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
121 static void generate_json_object(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
122 static void generate_json_array(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
123 static void generate_json_string(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
124 static void generate_json_null(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
125 static void generate_json_false(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
126 static void generate_json_true(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
127 #ifdef RUBY_INTEGER_UNIFICATION
128 static void generate_json_integer(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
129 #endif
130 static void generate_json_fixnum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
131 static void generate_json_bignum(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
132 static void generate_json_float(FBuffer *buffer, VALUE Vstate, JSON_Generator_State *state, VALUE obj);
133 static VALUE cState_partial_generate(VALUE self, VALUE obj);
134 static VALUE cState_generate(VALUE self, VALUE obj);
135 static VALUE cState_initialize(int argc, VALUE *argv, VALUE self);
136 static VALUE cState_from_state_s(VALUE self, VALUE opts);
137 static VALUE cState_indent(VALUE self);
138 static VALUE cState_indent_set(VALUE self, VALUE indent);
139 static VALUE cState_space(VALUE self);
140 static VALUE cState_space_set(VALUE self, VALUE space);
141 static VALUE cState_space_before(VALUE self);
142 static VALUE cState_space_before_set(VALUE self, VALUE space_before);
143 static VALUE cState_object_nl(VALUE self);
144 static VALUE cState_object_nl_set(VALUE self, VALUE object_nl);
145 static VALUE cState_array_nl(VALUE self);
146 static VALUE cState_array_nl_set(VALUE self, VALUE array_nl);
147 static VALUE cState_max_nesting(VALUE self);
148 static VALUE cState_max_nesting_set(VALUE self, VALUE depth);
149 static VALUE cState_allow_nan_p(VALUE self);
150 static VALUE cState_ascii_only_p(VALUE self);
151 static VALUE cState_depth(VALUE self);
152 static VALUE cState_depth_set(VALUE self, VALUE depth);
153 static FBuffer *cState_prepare_buffer(VALUE self);
154 #ifndef ZALLOC
155 #define ZALLOC(type) ((type *)ruby_zalloc(sizeof(type)))
156 static inline void *ruby_zalloc(size_t n)
157 {
158 void *p = ruby_xmalloc(n);
159 memset(p, 0, n);
160 return p;
161 }
162 #endif
163 #ifdef TypedData_Make_Struct
164 static const rb_data_type_t JSON_Generator_State_type;
165 #define NEW_TYPEDDATA_WRAPPER 1
166 #else
167 #define TypedData_Make_Struct(klass, type, ignore, json) Data_Make_Struct(klass, type, NULL, State_free, json)
168 #define TypedData_Get_Struct(self, JSON_Generator_State, ignore, json) Data_Get_Struct(self, JSON_Generator_State, json)
169 #endif
170
171 #endif
JSON_Generator_StateStruct::object_nl
char * object_nl
Definition: generator.h:65
JSON_Generator_StateStruct::object_delim
FBuffer * object_delim
Definition: generator.h:70
memset
void * memset(void *, int, size_t)
JSON_Generator_StateStruct::object_nl_len
long object_nl_len
Definition: generator.h:66
ruby_xmalloc
void * ruby_xmalloc(size_t size)
Definition: gc.c:11950
re.h
VALUE
unsigned long VALUE
Definition: ruby.h:102
JSON_Generator_StateStruct::depth
long depth
Definition: generator.h:75
JSON_Generator_StateStruct
Definition: generator.h:58
ptr
struct RIMemo * ptr
Definition: debug.c:74
JSON_Generator_StateStruct::array_nl_len
long array_nl_len
Definition: generator.h:68
JSON_Generator_StateStruct::buffer_initial_length
long buffer_initial_length
Definition: generator.h:76
hash_foreach_arg::buffer
FBuffer * buffer
Definition: generator.c:723
JSON_Generator_StateStruct::array_delim
FBuffer * array_delim
Definition: generator.h:69
obj
const VALUE VALUE obj
Definition: rb_mjit_min_header-2.7.0.h:5742
UTF8
unsigned char UTF8
Definition: generator.h:31
JSON_Generator_StateStruct::allow_nan
char allow_nan
Definition: generator.h:73
JSON_Generator_StateStruct::indent
char * indent
Definition: generator.h:59
ruby.h
JSON_Generator_State
struct JSON_Generator_StateStruct JSON_Generator_State
JSON_Generator_StateStruct::max_nesting
long max_nesting
Definition: generator.h:72
n
const char size_t n
Definition: rb_mjit_min_header-2.7.0.h:5456
buf
unsigned char buf[MIME_BUF_SIZE]
Definition: nkf.c:4322
JSON_Generator_StateStruct::object_delim2
FBuffer * object_delim2
Definition: generator.h:71
JSON_Generator_StateStruct::space_before
char * space_before
Definition: generator.h:63
argv
char ** argv
Definition: ruby.c:223
UTF32
unsigned long UTF32
Definition: generator.h:29
klass
VALUE klass
Definition: rb_mjit_min_header-2.7.0.h:13254
UTF16
unsigned short UTF16
Definition: generator.h:30
JSON_Generator_StateStruct::ascii_only
char ascii_only
Definition: generator.h:74
argc
int argc
Definition: ruby.c:222
FBufferStruct
Definition: fbuffer.h:46
JSON_Generator_StateStruct::array_nl
char * array_nl
Definition: generator.h:67
rb_data_type_struct
Definition: ruby.h:1148
JSON_Generator_StateStruct::space_len
long space_len
Definition: generator.h:62
JSON_Generator_StateStruct::space_before_len
long space_before_len
Definition: generator.h:64
len
uint8_t len
Definition: escape.c:17
JSON_Generator_StateStruct::indent_len
long indent_len
Definition: generator.h:60
JSON_Generator_StateStruct::space
char * space
Definition: generator.h:61