Ruby 2.0.0p247(2013-06-27revision41674)

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parser.h
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1 #ifndef _PARSER_H_
2 #define _PARSER_H_
3
4 #include "ruby.h"
5
6 #ifndef HAVE_RUBY_RE_H
7 #include "re.h"
8 #endif
9
10 #ifdef HAVE_RUBY_ST_H
11 #include "ruby/st.h"
12 #else
13 #include "st.h"
14 #endif
15
16 #define option_given_p(opts, key) RTEST(rb_funcall(opts, i_key_p, 1, key))
17
18 /* unicode */
19
20 typedef unsigned long UTF32; /* at least 32 bits */
21 typedef unsigned short UTF16; /* at least 16 bits */
22 typedef unsigned char UTF8; /* typically 8 bits */
23
24 #define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD
25 #define UNI_SUR_HIGH_START (UTF32)0xD800
26 #define UNI_SUR_HIGH_END (UTF32)0xDBFF
27 #define UNI_SUR_LOW_START (UTF32)0xDC00
28 #define UNI_SUR_LOW_END (UTF32)0xDFFF
29
30 typedef struct JSON_ParserStruct {
31 VALUE Vsource;
32 char *source;
33 long len;
34 char *memo;
35 VALUE create_id;
36 int max_nesting;
37 int current_nesting;
38 int allow_nan;
39 int parsing_name;
40 int symbolize_names;
41 int quirks_mode;
42 VALUE object_class;
43 VALUE array_class;
44 int create_additions;
45 VALUE match_string;
46 FBuffer *fbuffer;
47 } JSON_Parser;
48
49 #define GET_PARSER \
50 GET_PARSER_INIT; \
51 if (!json->Vsource) rb_raise(rb_eTypeError, "uninitialized instance")
52 #define GET_PARSER_INIT \
53 JSON_Parser *json; \
54 Data_Get_Struct(self, JSON_Parser, json)
55
56 #define MinusInfinity "-Infinity"
57 #define EVIL 0x666
58
59 static UTF32 unescape_unicode(const unsigned char *p);
60 static int convert_UTF32_to_UTF8(char *buf, UTF32 ch);
61 static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result);
62 static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result);
63 static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result);
64 static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result);
65 static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result);
66 static VALUE json_string_unescape(VALUE result, char *string, char *stringEnd);
67 static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result);
68 static VALUE convert_encoding(VALUE source);
69 static VALUE cParser_initialize(int argc, VALUE *argv, VALUE self);
70 static VALUE cParser_parse(VALUE self);
71 static JSON_Parser *JSON_allocate();
72 static void JSON_mark(JSON_Parser *json);
73 static void JSON_free(JSON_Parser *json);
74 static VALUE cJSON_parser_s_allocate(VALUE klass);
75 static VALUE cParser_source(VALUE self);
76
77 #endif
78