1 |
root |
1.1 |
#include "EXTERN.h" |
2 |
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#include "perl.h" |
3 |
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#include "XSUB.h" |
4 |
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5 |
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#include "assert.h" |
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#include "string.h" |
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#include "stdlib.h" |
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9 |
root |
1.18 |
#define F_ASCII 0x00000001UL |
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#define F_UTF8 0x00000002UL |
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#define F_INDENT 0x00000004UL |
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#define F_CANONICAL 0x00000008UL |
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#define F_SPACE_BEFORE 0x00000010UL |
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#define F_SPACE_AFTER 0x00000020UL |
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#define F_ALLOW_NONREF 0x00000080UL |
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#define F_SHRINK 0x00000100UL |
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#define F_MAXDEPTH 0xf8000000UL |
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#define S_MAXDEPTH 27 |
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#define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH)) |
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22 |
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// F_SELFCONVERT? <=> to_json/toJson |
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// F_BLESSED? <=> { $__class__$ => } |
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root |
1.16 |
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25 |
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1.2 |
#define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
26 |
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1.18 |
#define F_DEFAULT (13UL << S_MAXDEPTH) |
27 |
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1.1 |
|
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#define INIT_SIZE 32 // initial scalar size to be allocated |
29 |
root |
1.12 |
#define INDENT_STEP 3 // spaces per indentation level |
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31 |
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#define UTF8_MAX_LEN 11 // for perls UTF-X: max. number of octets per character |
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1.14 |
#define SHORT_STRING_LEN 512 // special-case strings of up to this size |
33 |
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1.1 |
|
34 |
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#define SB do { |
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#define SE } while (0) |
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37 |
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1.12 |
static HV *json_stash; // JSON::XS:: |
38 |
root |
1.1 |
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39 |
root |
1.12 |
///////////////////////////////////////////////////////////////////////////// |
40 |
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// utility functions |
41 |
root |
1.1 |
|
42 |
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static UV * |
43 |
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SvJSON (SV *sv) |
44 |
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{ |
45 |
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if (!(SvROK (sv) && SvOBJECT (SvRV (sv)) && SvSTASH (SvRV (sv)) == json_stash)) |
46 |
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croak ("object is not of type JSON::XS"); |
47 |
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48 |
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return &SvUVX (SvRV (sv)); |
49 |
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} |
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51 |
root |
1.7 |
static void |
52 |
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shrink (SV *sv) |
53 |
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{ |
54 |
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sv_utf8_downgrade (sv, 1); |
55 |
root |
1.12 |
if (SvLEN (sv) > SvCUR (sv) + 1) |
56 |
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{ |
57 |
root |
1.7 |
#ifdef SvPV_shrink_to_cur |
58 |
root |
1.12 |
SvPV_shrink_to_cur (sv); |
59 |
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#elif defined (SvPV_renew) |
60 |
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SvPV_renew (sv, SvCUR (sv) + 1); |
61 |
root |
1.7 |
#endif |
62 |
root |
1.12 |
} |
63 |
root |
1.7 |
} |
64 |
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65 |
root |
1.13 |
// decode an utf-8 character and return it, or (UV)-1 in |
66 |
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// case of an error. |
67 |
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// we special-case "safe" characters from U+80 .. U+7FF, |
68 |
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// but use the very good perl function to parse anything else. |
69 |
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// note that we never call this function for a ascii codepoints |
70 |
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static UV |
71 |
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decode_utf8 (unsigned char *s, STRLEN len, STRLEN *clen) |
72 |
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{ |
73 |
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if (s[0] > 0xdf || s[0] < 0xc2) |
74 |
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return utf8n_to_uvuni (s, len, clen, UTF8_CHECK_ONLY); |
75 |
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else if (len > 1 && s[1] >= 0x80 && s[1] <= 0xbf) |
76 |
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{ |
77 |
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*clen = 2; |
78 |
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return ((s[0] & 0x1f) << 6) | (s[1] & 0x3f); |
79 |
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} |
80 |
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else |
81 |
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return (UV)-1; |
82 |
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} |
83 |
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84 |
root |
1.1 |
///////////////////////////////////////////////////////////////////////////// |
85 |
root |
1.12 |
// encoder |
86 |
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87 |
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// structure used for encoding JSON |
88 |
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typedef struct |
89 |
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{ |
90 |
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char *cur; // SvPVX (sv) + current output position |
91 |
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char *end; // SvEND (sv) |
92 |
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SV *sv; // result scalar |
93 |
root |
1.18 |
U32 flags; // F_* |
94 |
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U32 indent; // indentation level |
95 |
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U32 maxdepth; // max. indentation/recursion level |
96 |
root |
1.12 |
} enc_t; |
97 |
root |
1.1 |
|
98 |
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static void |
99 |
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need (enc_t *enc, STRLEN len) |
100 |
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{ |
101 |
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if (enc->cur + len >= enc->end) |
102 |
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{ |
103 |
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STRLEN cur = enc->cur - SvPVX (enc->sv); |
104 |
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SvGROW (enc->sv, cur + len + 1); |
105 |
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enc->cur = SvPVX (enc->sv) + cur; |
106 |
root |
1.4 |
enc->end = SvPVX (enc->sv) + SvLEN (enc->sv); |
107 |
root |
1.1 |
} |
108 |
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} |
109 |
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110 |
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static void |
111 |
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encode_ch (enc_t *enc, char ch) |
112 |
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{ |
113 |
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need (enc, 1); |
114 |
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*enc->cur++ = ch; |
115 |
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} |
116 |
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117 |
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static void |
118 |
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encode_str (enc_t *enc, char *str, STRLEN len, int is_utf8) |
119 |
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{ |
120 |
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char *end = str + len; |
121 |
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122 |
root |
1.4 |
need (enc, len); |
123 |
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124 |
root |
1.1 |
while (str < end) |
125 |
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{ |
126 |
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unsigned char ch = *(unsigned char *)str; |
127 |
root |
1.4 |
|
128 |
root |
1.6 |
if (ch >= 0x20 && ch < 0x80) // most common case |
129 |
root |
1.4 |
{ |
130 |
root |
1.6 |
if (ch == '"') // but with slow exceptions |
131 |
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{ |
132 |
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need (enc, len += 1); |
133 |
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*enc->cur++ = '\\'; |
134 |
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*enc->cur++ = '"'; |
135 |
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} |
136 |
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else if (ch == '\\') |
137 |
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{ |
138 |
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need (enc, len += 1); |
139 |
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*enc->cur++ = '\\'; |
140 |
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*enc->cur++ = '\\'; |
141 |
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} |
142 |
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else |
143 |
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*enc->cur++ = ch; |
144 |
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145 |
root |
1.4 |
++str; |
146 |
root |
1.1 |
} |
147 |
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else |
148 |
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{ |
149 |
root |
1.6 |
switch (ch) |
150 |
root |
1.1 |
{ |
151 |
root |
1.6 |
case '\010': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'b'; ++str; break; |
152 |
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case '\011': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 't'; ++str; break; |
153 |
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case '\012': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'n'; ++str; break; |
154 |
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case '\014': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'f'; ++str; break; |
155 |
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case '\015': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'r'; ++str; break; |
156 |
root |
1.1 |
|
157 |
root |
1.6 |
default: |
158 |
root |
1.1 |
{ |
159 |
root |
1.6 |
STRLEN clen; |
160 |
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UV uch; |
161 |
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162 |
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if (is_utf8) |
163 |
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{ |
164 |
root |
1.13 |
//uch = utf8n_to_uvuni (str, end - str, &clen, UTF8_CHECK_ONLY); |
165 |
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uch = decode_utf8 (str, end - str, &clen); |
166 |
root |
1.6 |
if (clen == (STRLEN)-1) |
167 |
root |
1.9 |
croak ("malformed or illegal unicode character in string [%.11s], cannot convert to JSON", str); |
168 |
root |
1.6 |
} |
169 |
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else |
170 |
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{ |
171 |
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uch = ch; |
172 |
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clen = 1; |
173 |
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} |
174 |
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175 |
root |
1.9 |
if (uch > 0x10FFFFUL) |
176 |
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croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
177 |
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178 |
root |
1.6 |
if (uch < 0x80 || enc->flags & F_ASCII) |
179 |
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{ |
180 |
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if (uch > 0xFFFFUL) |
181 |
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{ |
182 |
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need (enc, len += 11); |
183 |
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sprintf (enc->cur, "\\u%04x\\u%04x", |
184 |
root |
1.10 |
(int)((uch - 0x10000) / 0x400 + 0xD800), |
185 |
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(int)((uch - 0x10000) % 0x400 + 0xDC00)); |
186 |
root |
1.6 |
enc->cur += 12; |
187 |
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} |
188 |
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else |
189 |
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{ |
190 |
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static char hexdigit [16] = "0123456789abcdef"; |
191 |
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need (enc, len += 5); |
192 |
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*enc->cur++ = '\\'; |
193 |
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*enc->cur++ = 'u'; |
194 |
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*enc->cur++ = hexdigit [ uch >> 12 ]; |
195 |
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*enc->cur++ = hexdigit [(uch >> 8) & 15]; |
196 |
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*enc->cur++ = hexdigit [(uch >> 4) & 15]; |
197 |
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*enc->cur++ = hexdigit [(uch >> 0) & 15]; |
198 |
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} |
199 |
root |
1.4 |
|
200 |
root |
1.6 |
str += clen; |
201 |
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} |
202 |
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else if (is_utf8) |
203 |
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{ |
204 |
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need (enc, len += clen); |
205 |
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do |
206 |
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{ |
207 |
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*enc->cur++ = *str++; |
208 |
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} |
209 |
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while (--clen); |
210 |
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} |
211 |
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else |
212 |
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{ |
213 |
root |
1.12 |
need (enc, len += UTF8_MAX_LEN - 1); // never more than 11 bytes needed |
214 |
root |
1.6 |
enc->cur = uvuni_to_utf8_flags (enc->cur, uch, 0); |
215 |
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++str; |
216 |
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} |
217 |
root |
1.5 |
} |
218 |
root |
1.4 |
} |
219 |
root |
1.1 |
} |
220 |
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221 |
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--len; |
222 |
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} |
223 |
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} |
224 |
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|
225 |
root |
1.12 |
static void |
226 |
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encode_indent (enc_t *enc) |
227 |
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{ |
228 |
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if (enc->flags & F_INDENT) |
229 |
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{ |
230 |
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int spaces = enc->indent * INDENT_STEP; |
231 |
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232 |
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need (enc, spaces); |
233 |
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memset (enc->cur, ' ', spaces); |
234 |
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enc->cur += spaces; |
235 |
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} |
236 |
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} |
237 |
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238 |
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static void |
239 |
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encode_space (enc_t *enc) |
240 |
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{ |
241 |
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need (enc, 1); |
242 |
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encode_ch (enc, ' '); |
243 |
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} |
244 |
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245 |
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static void |
246 |
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encode_nl (enc_t *enc) |
247 |
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{ |
248 |
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if (enc->flags & F_INDENT) |
249 |
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{ |
250 |
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need (enc, 1); |
251 |
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encode_ch (enc, '\n'); |
252 |
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} |
253 |
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} |
254 |
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|
255 |
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static void |
256 |
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encode_comma (enc_t *enc) |
257 |
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{ |
258 |
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encode_ch (enc, ','); |
259 |
root |
1.1 |
|
260 |
root |
1.12 |
if (enc->flags & F_INDENT) |
261 |
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encode_nl (enc); |
262 |
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else if (enc->flags & F_SPACE_AFTER) |
263 |
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encode_space (enc); |
264 |
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} |
265 |
root |
1.1 |
|
266 |
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static void encode_sv (enc_t *enc, SV *sv); |
267 |
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268 |
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static void |
269 |
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encode_av (enc_t *enc, AV *av) |
270 |
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{ |
271 |
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int i, len = av_len (av); |
272 |
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|
273 |
root |
1.12 |
encode_ch (enc, '['); encode_nl (enc); |
274 |
root |
1.1 |
++enc->indent; |
275 |
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|
276 |
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for (i = 0; i <= len; ++i) |
277 |
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{ |
278 |
root |
1.12 |
encode_indent (enc); |
279 |
root |
1.1 |
encode_sv (enc, *av_fetch (av, i, 0)); |
280 |
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|
281 |
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if (i < len) |
282 |
root |
1.12 |
encode_comma (enc); |
283 |
root |
1.1 |
} |
284 |
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|
285 |
root |
1.12 |
encode_nl (enc); |
286 |
root |
1.1 |
|
287 |
|
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--enc->indent; |
288 |
root |
1.12 |
encode_indent (enc); encode_ch (enc, ']'); |
289 |
root |
1.1 |
} |
290 |
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|
291 |
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static void |
292 |
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encode_he (enc_t *enc, HE *he) |
293 |
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{ |
294 |
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encode_ch (enc, '"'); |
295 |
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|
296 |
|
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if (HeKLEN (he) == HEf_SVKEY) |
297 |
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{ |
298 |
|
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SV *sv = HeSVKEY (he); |
299 |
|
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STRLEN len; |
300 |
root |
1.4 |
char *str; |
301 |
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|
302 |
|
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SvGETMAGIC (sv); |
303 |
|
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str = SvPV (sv, len); |
304 |
root |
1.1 |
|
305 |
|
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encode_str (enc, str, len, SvUTF8 (sv)); |
306 |
|
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} |
307 |
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else |
308 |
|
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encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he)); |
309 |
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|
310 |
|
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encode_ch (enc, '"'); |
311 |
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|
312 |
root |
1.12 |
if (enc->flags & F_SPACE_BEFORE) encode_space (enc); |
313 |
root |
1.1 |
encode_ch (enc, ':'); |
314 |
root |
1.12 |
if (enc->flags & F_SPACE_AFTER ) encode_space (enc); |
315 |
root |
1.1 |
encode_sv (enc, HeVAL (he)); |
316 |
|
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} |
317 |
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|
318 |
|
|
// compare hash entries, used when all keys are bytestrings |
319 |
|
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static int |
320 |
|
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he_cmp_fast (const void *a_, const void *b_) |
321 |
|
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{ |
322 |
|
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int cmp; |
323 |
|
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|
324 |
|
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HE *a = *(HE **)a_; |
325 |
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HE *b = *(HE **)b_; |
326 |
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|
327 |
|
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STRLEN la = HeKLEN (a); |
328 |
|
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STRLEN lb = HeKLEN (b); |
329 |
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|
330 |
root |
1.11 |
if (!(cmp = memcmp (HeKEY (a), HeKEY (b), la < lb ? la : lb))) |
331 |
|
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cmp = la - lb; |
332 |
root |
1.1 |
|
333 |
|
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return cmp; |
334 |
|
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} |
335 |
|
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|
336 |
|
|
// compare hash entries, used when some keys are sv's or utf-x |
337 |
|
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static int |
338 |
|
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he_cmp_slow (const void *a, const void *b) |
339 |
|
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{ |
340 |
|
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return sv_cmp (HeSVKEY_force (*(HE **)a), HeSVKEY_force (*(HE **)b)); |
341 |
|
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} |
342 |
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|
343 |
|
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static void |
344 |
|
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encode_hv (enc_t *enc, HV *hv) |
345 |
|
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{ |
346 |
|
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int count, i; |
347 |
|
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|
348 |
root |
1.12 |
encode_ch (enc, '{'); encode_nl (enc); ++enc->indent; |
349 |
root |
1.1 |
|
350 |
|
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if ((count = hv_iterinit (hv))) |
351 |
|
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{ |
352 |
|
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// for canonical output we have to sort by keys first |
353 |
|
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// actually, this is mostly due to the stupid so-called |
354 |
|
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// security workaround added somewhere in 5.8.x. |
355 |
|
|
// that randomises hash orderings |
356 |
|
|
if (enc->flags & F_CANONICAL) |
357 |
|
|
{ |
358 |
root |
1.12 |
HE *he, *hes [count]; // if your compiler dies here, you need to enable C99 mode |
359 |
root |
1.1 |
int fast = 1; |
360 |
|
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|
361 |
|
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i = 0; |
362 |
|
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while ((he = hv_iternext (hv))) |
363 |
|
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{ |
364 |
|
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hes [i++] = he; |
365 |
|
|
if (HeKLEN (he) < 0 || HeKUTF8 (he)) |
366 |
|
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fast = 0; |
367 |
|
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} |
368 |
|
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|
369 |
|
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assert (i == count); |
370 |
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|
371 |
|
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if (fast) |
372 |
|
|
qsort (hes, count, sizeof (HE *), he_cmp_fast); |
373 |
|
|
else |
374 |
|
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{ |
375 |
root |
1.8 |
// hack to forcefully disable "use bytes" |
376 |
|
|
COP cop = *PL_curcop; |
377 |
root |
1.1 |
cop.op_private = 0; |
378 |
root |
1.8 |
|
379 |
|
|
ENTER; |
380 |
|
|
SAVETMPS; |
381 |
|
|
|
382 |
|
|
SAVEVPTR (PL_curcop); |
383 |
root |
1.1 |
PL_curcop = &cop; |
384 |
|
|
|
385 |
|
|
qsort (hes, count, sizeof (HE *), he_cmp_slow); |
386 |
root |
1.8 |
|
387 |
root |
1.1 |
FREETMPS; |
388 |
root |
1.8 |
LEAVE; |
389 |
root |
1.1 |
} |
390 |
|
|
|
391 |
|
|
for (i = 0; i < count; ++i) |
392 |
|
|
{ |
393 |
root |
1.12 |
encode_indent (enc); |
394 |
root |
1.1 |
encode_he (enc, hes [i]); |
395 |
|
|
|
396 |
|
|
if (i < count - 1) |
397 |
root |
1.12 |
encode_comma (enc); |
398 |
root |
1.1 |
} |
399 |
|
|
|
400 |
root |
1.12 |
encode_nl (enc); |
401 |
root |
1.1 |
} |
402 |
|
|
else |
403 |
|
|
{ |
404 |
|
|
SV *sv; |
405 |
|
|
HE *he = hv_iternext (hv); |
406 |
|
|
|
407 |
|
|
for (;;) |
408 |
|
|
{ |
409 |
root |
1.12 |
encode_indent (enc); |
410 |
root |
1.1 |
encode_he (enc, he); |
411 |
|
|
|
412 |
|
|
if (!(he = hv_iternext (hv))) |
413 |
|
|
break; |
414 |
|
|
|
415 |
root |
1.12 |
encode_comma (enc); |
416 |
root |
1.1 |
} |
417 |
|
|
|
418 |
root |
1.12 |
encode_nl (enc); |
419 |
root |
1.1 |
} |
420 |
|
|
} |
421 |
|
|
|
422 |
root |
1.12 |
--enc->indent; encode_indent (enc); encode_ch (enc, '}'); |
423 |
root |
1.1 |
} |
424 |
|
|
|
425 |
|
|
static void |
426 |
|
|
encode_sv (enc_t *enc, SV *sv) |
427 |
|
|
{ |
428 |
root |
1.4 |
SvGETMAGIC (sv); |
429 |
|
|
|
430 |
root |
1.1 |
if (SvPOKp (sv)) |
431 |
|
|
{ |
432 |
|
|
STRLEN len; |
433 |
|
|
char *str = SvPV (sv, len); |
434 |
|
|
encode_ch (enc, '"'); |
435 |
|
|
encode_str (enc, str, len, SvUTF8 (sv)); |
436 |
|
|
encode_ch (enc, '"'); |
437 |
|
|
} |
438 |
|
|
else if (SvNOKp (sv)) |
439 |
|
|
{ |
440 |
|
|
need (enc, NV_DIG + 32); |
441 |
|
|
Gconvert (SvNVX (sv), NV_DIG, 0, enc->cur); |
442 |
|
|
enc->cur += strlen (enc->cur); |
443 |
|
|
} |
444 |
|
|
else if (SvIOKp (sv)) |
445 |
|
|
{ |
446 |
|
|
need (enc, 64); |
447 |
|
|
enc->cur += |
448 |
|
|
SvIsUV(sv) |
449 |
|
|
? snprintf (enc->cur, 64, "%"UVuf, (UV)SvUVX (sv)) |
450 |
|
|
: snprintf (enc->cur, 64, "%"IVdf, (IV)SvIVX (sv)); |
451 |
|
|
} |
452 |
|
|
else if (SvROK (sv)) |
453 |
|
|
{ |
454 |
root |
1.9 |
SV *rv = SvRV (sv); |
455 |
|
|
|
456 |
root |
1.18 |
if (enc->indent >= enc->maxdepth) |
457 |
root |
1.1 |
croak ("data structure too deep (hit recursion limit)"); |
458 |
|
|
|
459 |
root |
1.9 |
switch (SvTYPE (rv)) |
460 |
root |
1.1 |
{ |
461 |
root |
1.9 |
case SVt_PVAV: encode_av (enc, (AV *)rv); break; |
462 |
|
|
case SVt_PVHV: encode_hv (enc, (HV *)rv); break; |
463 |
root |
1.1 |
|
464 |
|
|
default: |
465 |
root |
1.9 |
croak ("encountered %s, but JSON can only represent references to arrays or hashes", |
466 |
|
|
SvPV_nolen (sv)); |
467 |
root |
1.1 |
} |
468 |
|
|
} |
469 |
|
|
else if (!SvOK (sv)) |
470 |
|
|
encode_str (enc, "null", 4, 0); |
471 |
|
|
else |
472 |
root |
1.9 |
croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
473 |
|
|
SvPV_nolen (sv), SvFLAGS (sv)); |
474 |
root |
1.1 |
} |
475 |
|
|
|
476 |
|
|
static SV * |
477 |
root |
1.18 |
encode_json (SV *scalar, U32 flags) |
478 |
root |
1.1 |
{ |
479 |
root |
1.3 |
if (!(flags & F_ALLOW_NONREF) && !SvROK (scalar)) |
480 |
root |
1.9 |
croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
481 |
root |
1.3 |
|
482 |
root |
1.1 |
enc_t enc; |
483 |
root |
1.12 |
enc.flags = flags; |
484 |
|
|
enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
485 |
|
|
enc.cur = SvPVX (enc.sv); |
486 |
|
|
enc.end = SvEND (enc.sv); |
487 |
|
|
enc.indent = 0; |
488 |
root |
1.18 |
enc.maxdepth = DEC_DEPTH (flags); |
489 |
root |
1.1 |
|
490 |
|
|
SvPOK_only (enc.sv); |
491 |
|
|
encode_sv (&enc, scalar); |
492 |
|
|
|
493 |
|
|
if (!(flags & (F_ASCII | F_UTF8))) |
494 |
|
|
SvUTF8_on (enc.sv); |
495 |
|
|
|
496 |
|
|
SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
497 |
root |
1.6 |
|
498 |
|
|
if (enc.flags & F_SHRINK) |
499 |
root |
1.7 |
shrink (enc.sv); |
500 |
|
|
|
501 |
root |
1.1 |
return enc.sv; |
502 |
|
|
} |
503 |
|
|
|
504 |
|
|
///////////////////////////////////////////////////////////////////////////// |
505 |
root |
1.12 |
// decoder |
506 |
root |
1.1 |
|
507 |
root |
1.12 |
// structure used for decoding JSON |
508 |
|
|
typedef struct |
509 |
|
|
{ |
510 |
|
|
char *cur; // current parser pointer |
511 |
|
|
char *end; // end of input string |
512 |
|
|
const char *err; // parse error, if != 0 |
513 |
root |
1.18 |
U32 flags; // F_* |
514 |
|
|
U32 depth; // recursion depth |
515 |
|
|
U32 maxdepth; // recursion depth limit |
516 |
root |
1.12 |
} dec_t; |
517 |
|
|
|
518 |
|
|
static void |
519 |
|
|
decode_ws (dec_t *dec) |
520 |
|
|
{ |
521 |
|
|
for (;;) |
522 |
|
|
{ |
523 |
|
|
char ch = *dec->cur; |
524 |
|
|
|
525 |
|
|
if (ch > 0x20 |
526 |
|
|
|| (ch != 0x20 && ch != 0x0a && ch != 0x0d && ch != 0x09)) |
527 |
|
|
break; |
528 |
|
|
|
529 |
|
|
++dec->cur; |
530 |
root |
1.1 |
} |
531 |
root |
1.12 |
} |
532 |
root |
1.1 |
|
533 |
|
|
#define ERR(reason) SB dec->err = reason; goto fail; SE |
534 |
root |
1.18 |
|
535 |
root |
1.1 |
#define EXPECT_CH(ch) SB \ |
536 |
|
|
if (*dec->cur != ch) \ |
537 |
|
|
ERR (# ch " expected"); \ |
538 |
|
|
++dec->cur; \ |
539 |
|
|
SE |
540 |
|
|
|
541 |
root |
1.18 |
#define DEC_INC_DEPTH if (++dec->depth > dec->maxdepth) ERR ("json datastructure exceeds maximum nesting level (set a higher max_depth)") |
542 |
|
|
#define DEC_DEC_DEPTH --dec->depth |
543 |
|
|
|
544 |
root |
1.1 |
static SV *decode_sv (dec_t *dec); |
545 |
|
|
|
546 |
|
|
static signed char decode_hexdigit[256]; |
547 |
|
|
|
548 |
|
|
static UV |
549 |
|
|
decode_4hex (dec_t *dec) |
550 |
|
|
{ |
551 |
|
|
signed char d1, d2, d3, d4; |
552 |
root |
1.12 |
unsigned char *cur = (unsigned char *)dec->cur; |
553 |
root |
1.1 |
|
554 |
root |
1.12 |
d1 = decode_hexdigit [cur [0]]; if (d1 < 0) ERR ("four hexadecimal digits expected"); |
555 |
|
|
d2 = decode_hexdigit [cur [1]]; if (d2 < 0) ERR ("four hexadecimal digits expected"); |
556 |
|
|
d3 = decode_hexdigit [cur [2]]; if (d3 < 0) ERR ("four hexadecimal digits expected"); |
557 |
|
|
d4 = decode_hexdigit [cur [3]]; if (d4 < 0) ERR ("four hexadecimal digits expected"); |
558 |
root |
1.1 |
|
559 |
|
|
dec->cur += 4; |
560 |
|
|
|
561 |
|
|
return ((UV)d1) << 12 |
562 |
|
|
| ((UV)d2) << 8 |
563 |
|
|
| ((UV)d3) << 4 |
564 |
|
|
| ((UV)d4); |
565 |
|
|
|
566 |
|
|
fail: |
567 |
|
|
return (UV)-1; |
568 |
|
|
} |
569 |
|
|
|
570 |
|
|
static SV * |
571 |
|
|
decode_str (dec_t *dec) |
572 |
|
|
{ |
573 |
root |
1.12 |
SV *sv = 0; |
574 |
root |
1.1 |
int utf8 = 0; |
575 |
|
|
|
576 |
root |
1.12 |
do |
577 |
root |
1.1 |
{ |
578 |
root |
1.12 |
char buf [SHORT_STRING_LEN + UTF8_MAX_LEN]; |
579 |
|
|
char *cur = buf; |
580 |
root |
1.1 |
|
581 |
root |
1.12 |
do |
582 |
root |
1.1 |
{ |
583 |
root |
1.12 |
unsigned char ch = *(unsigned char *)dec->cur++; |
584 |
|
|
|
585 |
|
|
if (ch == '"') |
586 |
|
|
{ |
587 |
|
|
--dec->cur; |
588 |
|
|
break; |
589 |
|
|
} |
590 |
|
|
else if (ch == '\\') |
591 |
root |
1.1 |
{ |
592 |
root |
1.12 |
switch (*dec->cur) |
593 |
root |
1.1 |
{ |
594 |
root |
1.12 |
case '\\': |
595 |
|
|
case '/': |
596 |
|
|
case '"': *cur++ = *dec->cur++; break; |
597 |
|
|
|
598 |
|
|
case 'b': ++dec->cur; *cur++ = '\010'; break; |
599 |
|
|
case 't': ++dec->cur; *cur++ = '\011'; break; |
600 |
|
|
case 'n': ++dec->cur; *cur++ = '\012'; break; |
601 |
|
|
case 'f': ++dec->cur; *cur++ = '\014'; break; |
602 |
|
|
case 'r': ++dec->cur; *cur++ = '\015'; break; |
603 |
root |
1.1 |
|
604 |
root |
1.12 |
case 'u': |
605 |
root |
1.1 |
{ |
606 |
root |
1.12 |
UV lo, hi; |
607 |
|
|
++dec->cur; |
608 |
root |
1.1 |
|
609 |
root |
1.12 |
hi = decode_4hex (dec); |
610 |
|
|
if (hi == (UV)-1) |
611 |
|
|
goto fail; |
612 |
root |
1.1 |
|
613 |
root |
1.12 |
// possibly a surrogate pair |
614 |
|
|
if (hi >= 0xd800) |
615 |
|
|
if (hi < 0xdc00) |
616 |
|
|
{ |
617 |
|
|
if (dec->cur [0] != '\\' || dec->cur [1] != 'u') |
618 |
|
|
ERR ("missing low surrogate character in surrogate pair"); |
619 |
|
|
|
620 |
|
|
dec->cur += 2; |
621 |
|
|
|
622 |
|
|
lo = decode_4hex (dec); |
623 |
|
|
if (lo == (UV)-1) |
624 |
|
|
goto fail; |
625 |
|
|
|
626 |
|
|
if (lo < 0xdc00 || lo >= 0xe000) |
627 |
|
|
ERR ("surrogate pair expected"); |
628 |
|
|
|
629 |
|
|
hi = (hi - 0xD800) * 0x400 + (lo - 0xDC00) + 0x10000; |
630 |
|
|
} |
631 |
|
|
else if (hi < 0xe000) |
632 |
|
|
ERR ("missing high surrogate character in surrogate pair"); |
633 |
root |
1.1 |
|
634 |
root |
1.12 |
if (hi >= 0x80) |
635 |
|
|
{ |
636 |
|
|
utf8 = 1; |
637 |
root |
1.1 |
|
638 |
root |
1.12 |
cur = (char *)uvuni_to_utf8_flags (cur, hi, 0); |
639 |
|
|
} |
640 |
|
|
else |
641 |
|
|
*cur++ = hi; |
642 |
root |
1.1 |
} |
643 |
root |
1.12 |
break; |
644 |
|
|
|
645 |
|
|
default: |
646 |
|
|
--dec->cur; |
647 |
|
|
ERR ("illegal backslash escape sequence in string"); |
648 |
|
|
} |
649 |
|
|
} |
650 |
|
|
else if (ch >= 0x20 && ch <= 0x7f) |
651 |
|
|
*cur++ = ch; |
652 |
|
|
else if (ch >= 0x80) |
653 |
|
|
{ |
654 |
|
|
--dec->cur; |
655 |
root |
1.1 |
|
656 |
root |
1.12 |
STRLEN clen; |
657 |
root |
1.13 |
UV uch = decode_utf8 (dec->cur, dec->end - dec->cur, &clen); |
658 |
root |
1.12 |
if (clen == (STRLEN)-1) |
659 |
|
|
ERR ("malformed UTF-8 character in JSON string"); |
660 |
root |
1.1 |
|
661 |
root |
1.12 |
do |
662 |
|
|
{ |
663 |
|
|
*cur++ = *dec->cur++; |
664 |
root |
1.1 |
} |
665 |
root |
1.12 |
while (--clen); |
666 |
root |
1.5 |
|
667 |
root |
1.12 |
utf8 = 1; |
668 |
root |
1.1 |
} |
669 |
root |
1.12 |
else if (!ch) |
670 |
|
|
ERR ("unexpected end of string while parsing json string"); |
671 |
|
|
else |
672 |
|
|
ERR ("invalid character encountered"); |
673 |
|
|
|
674 |
root |
1.1 |
} |
675 |
root |
1.12 |
while (cur < buf + SHORT_STRING_LEN); |
676 |
root |
1.1 |
|
677 |
root |
1.12 |
STRLEN len = cur - buf; |
678 |
root |
1.5 |
|
679 |
root |
1.12 |
if (sv) |
680 |
|
|
{ |
681 |
|
|
SvGROW (sv, SvCUR (sv) + len + 1); |
682 |
|
|
memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
683 |
|
|
SvCUR_set (sv, SvCUR (sv) + len); |
684 |
root |
1.1 |
} |
685 |
|
|
else |
686 |
root |
1.12 |
sv = newSVpvn (buf, len); |
687 |
root |
1.1 |
} |
688 |
root |
1.12 |
while (*dec->cur != '"'); |
689 |
root |
1.1 |
|
690 |
|
|
++dec->cur; |
691 |
|
|
|
692 |
root |
1.12 |
if (sv) |
693 |
|
|
{ |
694 |
|
|
SvPOK_only (sv); |
695 |
|
|
*SvEND (sv) = 0; |
696 |
root |
1.4 |
|
697 |
root |
1.12 |
if (utf8) |
698 |
|
|
SvUTF8_on (sv); |
699 |
|
|
} |
700 |
|
|
else |
701 |
|
|
sv = newSVpvn ("", 0); |
702 |
root |
1.6 |
|
703 |
root |
1.1 |
return sv; |
704 |
|
|
|
705 |
|
|
fail: |
706 |
|
|
return 0; |
707 |
|
|
} |
708 |
|
|
|
709 |
|
|
static SV * |
710 |
|
|
decode_num (dec_t *dec) |
711 |
|
|
{ |
712 |
|
|
int is_nv = 0; |
713 |
|
|
char *start = dec->cur; |
714 |
|
|
|
715 |
|
|
// [minus] |
716 |
|
|
if (*dec->cur == '-') |
717 |
|
|
++dec->cur; |
718 |
|
|
|
719 |
|
|
if (*dec->cur == '0') |
720 |
|
|
{ |
721 |
|
|
++dec->cur; |
722 |
|
|
if (*dec->cur >= '0' && *dec->cur <= '9') |
723 |
|
|
ERR ("malformed number (leading zero must not be followed by another digit)"); |
724 |
|
|
} |
725 |
root |
1.5 |
else if (*dec->cur < '0' || *dec->cur > '9') |
726 |
|
|
ERR ("malformed number (no digits after initial minus)"); |
727 |
|
|
else |
728 |
|
|
do |
729 |
|
|
{ |
730 |
|
|
++dec->cur; |
731 |
|
|
} |
732 |
|
|
while (*dec->cur >= '0' && *dec->cur <= '9'); |
733 |
root |
1.1 |
|
734 |
|
|
// [frac] |
735 |
|
|
if (*dec->cur == '.') |
736 |
|
|
{ |
737 |
root |
1.5 |
++dec->cur; |
738 |
|
|
|
739 |
|
|
if (*dec->cur < '0' || *dec->cur > '9') |
740 |
|
|
ERR ("malformed number (no digits after decimal point)"); |
741 |
root |
1.1 |
|
742 |
|
|
do |
743 |
|
|
{ |
744 |
|
|
++dec->cur; |
745 |
|
|
} |
746 |
|
|
while (*dec->cur >= '0' && *dec->cur <= '9'); |
747 |
root |
1.5 |
|
748 |
|
|
is_nv = 1; |
749 |
root |
1.1 |
} |
750 |
|
|
|
751 |
|
|
// [exp] |
752 |
|
|
if (*dec->cur == 'e' || *dec->cur == 'E') |
753 |
|
|
{ |
754 |
root |
1.5 |
++dec->cur; |
755 |
root |
1.1 |
|
756 |
|
|
if (*dec->cur == '-' || *dec->cur == '+') |
757 |
|
|
++dec->cur; |
758 |
|
|
|
759 |
root |
1.5 |
if (*dec->cur < '0' || *dec->cur > '9') |
760 |
|
|
ERR ("malformed number (no digits after exp sign)"); |
761 |
|
|
|
762 |
|
|
do |
763 |
|
|
{ |
764 |
|
|
++dec->cur; |
765 |
|
|
} |
766 |
|
|
while (*dec->cur >= '0' && *dec->cur <= '9'); |
767 |
|
|
|
768 |
|
|
is_nv = 1; |
769 |
root |
1.1 |
} |
770 |
|
|
|
771 |
|
|
if (!is_nv) |
772 |
|
|
{ |
773 |
|
|
UV uv; |
774 |
|
|
int numtype = grok_number (start, dec->cur - start, &uv); |
775 |
|
|
if (numtype & IS_NUMBER_IN_UV) |
776 |
|
|
if (numtype & IS_NUMBER_NEG) |
777 |
|
|
{ |
778 |
|
|
if (uv < (UV)IV_MIN) |
779 |
|
|
return newSViv (-(IV)uv); |
780 |
|
|
} |
781 |
|
|
else |
782 |
|
|
return newSVuv (uv); |
783 |
|
|
} |
784 |
|
|
|
785 |
|
|
return newSVnv (Atof (start)); |
786 |
|
|
|
787 |
|
|
fail: |
788 |
|
|
return 0; |
789 |
|
|
} |
790 |
|
|
|
791 |
|
|
static SV * |
792 |
|
|
decode_av (dec_t *dec) |
793 |
|
|
{ |
794 |
|
|
AV *av = newAV (); |
795 |
|
|
|
796 |
root |
1.18 |
DEC_INC_DEPTH; |
797 |
root |
1.12 |
decode_ws (dec); |
798 |
root |
1.18 |
|
799 |
root |
1.5 |
if (*dec->cur == ']') |
800 |
|
|
++dec->cur; |
801 |
|
|
else |
802 |
|
|
for (;;) |
803 |
|
|
{ |
804 |
|
|
SV *value; |
805 |
root |
1.1 |
|
806 |
root |
1.5 |
value = decode_sv (dec); |
807 |
|
|
if (!value) |
808 |
|
|
goto fail; |
809 |
root |
1.1 |
|
810 |
root |
1.5 |
av_push (av, value); |
811 |
root |
1.1 |
|
812 |
root |
1.12 |
decode_ws (dec); |
813 |
root |
1.1 |
|
814 |
root |
1.5 |
if (*dec->cur == ']') |
815 |
|
|
{ |
816 |
|
|
++dec->cur; |
817 |
|
|
break; |
818 |
|
|
} |
819 |
|
|
|
820 |
|
|
if (*dec->cur != ',') |
821 |
|
|
ERR (", or ] expected while parsing array"); |
822 |
root |
1.1 |
|
823 |
root |
1.5 |
++dec->cur; |
824 |
|
|
} |
825 |
root |
1.1 |
|
826 |
root |
1.18 |
DEC_DEC_DEPTH; |
827 |
root |
1.1 |
return newRV_noinc ((SV *)av); |
828 |
|
|
|
829 |
|
|
fail: |
830 |
|
|
SvREFCNT_dec (av); |
831 |
root |
1.18 |
DEC_DEC_DEPTH; |
832 |
root |
1.1 |
return 0; |
833 |
|
|
} |
834 |
|
|
|
835 |
|
|
static SV * |
836 |
|
|
decode_hv (dec_t *dec) |
837 |
|
|
{ |
838 |
|
|
HV *hv = newHV (); |
839 |
|
|
|
840 |
root |
1.18 |
DEC_INC_DEPTH; |
841 |
root |
1.12 |
decode_ws (dec); |
842 |
root |
1.18 |
|
843 |
root |
1.5 |
if (*dec->cur == '}') |
844 |
|
|
++dec->cur; |
845 |
|
|
else |
846 |
|
|
for (;;) |
847 |
|
|
{ |
848 |
|
|
SV *key, *value; |
849 |
root |
1.1 |
|
850 |
root |
1.12 |
decode_ws (dec); EXPECT_CH ('"'); |
851 |
root |
1.1 |
|
852 |
root |
1.5 |
key = decode_str (dec); |
853 |
|
|
if (!key) |
854 |
|
|
goto fail; |
855 |
root |
1.1 |
|
856 |
root |
1.12 |
decode_ws (dec); EXPECT_CH (':'); |
857 |
root |
1.1 |
|
858 |
root |
1.5 |
value = decode_sv (dec); |
859 |
|
|
if (!value) |
860 |
|
|
{ |
861 |
|
|
SvREFCNT_dec (key); |
862 |
|
|
goto fail; |
863 |
|
|
} |
864 |
root |
1.1 |
|
865 |
root |
1.5 |
hv_store_ent (hv, key, value, 0); |
866 |
root |
1.18 |
SvREFCNT_dec (key); |
867 |
root |
1.1 |
|
868 |
root |
1.12 |
decode_ws (dec); |
869 |
root |
1.1 |
|
870 |
root |
1.5 |
if (*dec->cur == '}') |
871 |
|
|
{ |
872 |
|
|
++dec->cur; |
873 |
|
|
break; |
874 |
|
|
} |
875 |
root |
1.1 |
|
876 |
root |
1.5 |
if (*dec->cur != ',') |
877 |
|
|
ERR (", or } expected while parsing object/hash"); |
878 |
root |
1.1 |
|
879 |
root |
1.5 |
++dec->cur; |
880 |
|
|
} |
881 |
root |
1.1 |
|
882 |
root |
1.18 |
DEC_DEC_DEPTH; |
883 |
root |
1.1 |
return newRV_noinc ((SV *)hv); |
884 |
|
|
|
885 |
|
|
fail: |
886 |
|
|
SvREFCNT_dec (hv); |
887 |
root |
1.18 |
DEC_DEC_DEPTH; |
888 |
root |
1.1 |
return 0; |
889 |
|
|
} |
890 |
|
|
|
891 |
|
|
static SV * |
892 |
|
|
decode_sv (dec_t *dec) |
893 |
|
|
{ |
894 |
root |
1.12 |
decode_ws (dec); |
895 |
root |
1.1 |
switch (*dec->cur) |
896 |
|
|
{ |
897 |
|
|
case '"': ++dec->cur; return decode_str (dec); |
898 |
|
|
case '[': ++dec->cur; return decode_av (dec); |
899 |
|
|
case '{': ++dec->cur; return decode_hv (dec); |
900 |
|
|
|
901 |
|
|
case '-': |
902 |
|
|
case '0': case '1': case '2': case '3': case '4': |
903 |
|
|
case '5': case '6': case '7': case '8': case '9': |
904 |
|
|
return decode_num (dec); |
905 |
|
|
|
906 |
|
|
case 't': |
907 |
|
|
if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
908 |
|
|
{ |
909 |
|
|
dec->cur += 4; |
910 |
|
|
return newSViv (1); |
911 |
|
|
} |
912 |
|
|
else |
913 |
|
|
ERR ("'true' expected"); |
914 |
|
|
|
915 |
|
|
break; |
916 |
|
|
|
917 |
|
|
case 'f': |
918 |
|
|
if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
919 |
|
|
{ |
920 |
|
|
dec->cur += 5; |
921 |
|
|
return newSViv (0); |
922 |
|
|
} |
923 |
|
|
else |
924 |
|
|
ERR ("'false' expected"); |
925 |
|
|
|
926 |
|
|
break; |
927 |
|
|
|
928 |
|
|
case 'n': |
929 |
|
|
if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) |
930 |
|
|
{ |
931 |
|
|
dec->cur += 4; |
932 |
root |
1.5 |
return newSVsv (&PL_sv_undef); |
933 |
root |
1.1 |
} |
934 |
|
|
else |
935 |
|
|
ERR ("'null' expected"); |
936 |
|
|
|
937 |
|
|
break; |
938 |
|
|
|
939 |
|
|
default: |
940 |
root |
1.7 |
ERR ("malformed json string, neither array, object, number, string or atom"); |
941 |
root |
1.1 |
break; |
942 |
|
|
} |
943 |
|
|
|
944 |
|
|
fail: |
945 |
|
|
return 0; |
946 |
|
|
} |
947 |
|
|
|
948 |
|
|
static SV * |
949 |
root |
1.18 |
decode_json (SV *string, U32 flags) |
950 |
root |
1.1 |
{ |
951 |
|
|
SV *sv; |
952 |
|
|
|
953 |
root |
1.5 |
if (flags & F_UTF8) |
954 |
|
|
sv_utf8_downgrade (string, 0); |
955 |
|
|
else |
956 |
root |
1.1 |
sv_utf8_upgrade (string); |
957 |
|
|
|
958 |
|
|
SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
959 |
|
|
|
960 |
|
|
dec_t dec; |
961 |
root |
1.18 |
dec.flags = flags; |
962 |
|
|
dec.cur = SvPVX (string); |
963 |
|
|
dec.end = SvEND (string); |
964 |
|
|
dec.err = 0; |
965 |
|
|
dec.depth = 0; |
966 |
|
|
dec.maxdepth = DEC_DEPTH (dec.flags); |
967 |
root |
1.1 |
|
968 |
root |
1.19 |
*SvEND (string) = 0; // this should basically be a nop, too |
969 |
root |
1.1 |
sv = decode_sv (&dec); |
970 |
|
|
|
971 |
|
|
if (!sv) |
972 |
|
|
{ |
973 |
root |
1.7 |
IV offset = dec.flags & F_UTF8 |
974 |
|
|
? dec.cur - SvPVX (string) |
975 |
|
|
: utf8_distance (dec.cur, SvPVX (string)); |
976 |
root |
1.1 |
SV *uni = sv_newmortal (); |
977 |
root |
1.8 |
|
978 |
root |
1.5 |
// horrible hack to silence warning inside pv_uni_display |
979 |
root |
1.8 |
COP cop = *PL_curcop; |
980 |
root |
1.5 |
cop.cop_warnings = pWARN_NONE; |
981 |
root |
1.8 |
ENTER; |
982 |
root |
1.5 |
SAVEVPTR (PL_curcop); |
983 |
|
|
PL_curcop = &cop; |
984 |
root |
1.8 |
pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
985 |
|
|
LEAVE; |
986 |
root |
1.1 |
|
987 |
root |
1.5 |
croak ("%s, at character offset %d (%s)", |
988 |
root |
1.1 |
dec.err, |
989 |
|
|
(int)offset, |
990 |
|
|
dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
991 |
|
|
} |
992 |
|
|
|
993 |
root |
1.3 |
sv = sv_2mortal (sv); |
994 |
|
|
|
995 |
|
|
if (!(dec.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
996 |
root |
1.9 |
croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
997 |
root |
1.3 |
|
998 |
|
|
return sv; |
999 |
root |
1.1 |
} |
1000 |
|
|
|
1001 |
root |
1.12 |
///////////////////////////////////////////////////////////////////////////// |
1002 |
|
|
// XS interface functions |
1003 |
|
|
|
1004 |
root |
1.1 |
MODULE = JSON::XS PACKAGE = JSON::XS |
1005 |
|
|
|
1006 |
|
|
BOOT: |
1007 |
|
|
{ |
1008 |
|
|
int i; |
1009 |
|
|
|
1010 |
|
|
memset (decode_hexdigit, 0xff, 256); |
1011 |
|
|
|
1012 |
root |
1.18 |
for (i = 0; i < 256; ++i) |
1013 |
|
|
decode_hexdigit [i] = |
1014 |
|
|
i >= '0' && i <= '9' ? i - '0' |
1015 |
|
|
: i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1016 |
|
|
: i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1017 |
|
|
: -1; |
1018 |
root |
1.1 |
|
1019 |
|
|
json_stash = gv_stashpv ("JSON::XS", 1); |
1020 |
|
|
} |
1021 |
|
|
|
1022 |
root |
1.4 |
PROTOTYPES: DISABLE |
1023 |
|
|
|
1024 |
root |
1.1 |
SV *new (char *dummy) |
1025 |
|
|
CODE: |
1026 |
|
|
RETVAL = sv_bless (newRV_noinc (newSVuv (F_DEFAULT)), json_stash); |
1027 |
|
|
OUTPUT: |
1028 |
|
|
RETVAL |
1029 |
|
|
|
1030 |
root |
1.6 |
SV *ascii (SV *self, int enable = 1) |
1031 |
root |
1.1 |
ALIAS: |
1032 |
|
|
ascii = F_ASCII |
1033 |
|
|
utf8 = F_UTF8 |
1034 |
|
|
indent = F_INDENT |
1035 |
|
|
canonical = F_CANONICAL |
1036 |
|
|
space_before = F_SPACE_BEFORE |
1037 |
|
|
space_after = F_SPACE_AFTER |
1038 |
root |
1.2 |
pretty = F_PRETTY |
1039 |
root |
1.3 |
allow_nonref = F_ALLOW_NONREF |
1040 |
root |
1.6 |
shrink = F_SHRINK |
1041 |
root |
1.1 |
CODE: |
1042 |
|
|
{ |
1043 |
|
|
UV *uv = SvJSON (self); |
1044 |
|
|
if (enable) |
1045 |
|
|
*uv |= ix; |
1046 |
|
|
else |
1047 |
|
|
*uv &= ~ix; |
1048 |
|
|
|
1049 |
|
|
RETVAL = newSVsv (self); |
1050 |
|
|
} |
1051 |
|
|
OUTPUT: |
1052 |
|
|
RETVAL |
1053 |
|
|
|
1054 |
root |
1.18 |
SV *max_depth (SV *self, int max_depth = 0x80000000UL) |
1055 |
|
|
CODE: |
1056 |
|
|
{ |
1057 |
|
|
UV *uv = SvJSON (self); |
1058 |
|
|
UV log2 = 0; |
1059 |
|
|
|
1060 |
|
|
if (max_depth > 0x80000000UL) max_depth = 0x80000000UL; |
1061 |
|
|
|
1062 |
|
|
while ((1UL << log2) < max_depth) |
1063 |
|
|
++log2; |
1064 |
|
|
|
1065 |
|
|
*uv = *uv & ~F_MAXDEPTH | (log2 << S_MAXDEPTH); |
1066 |
|
|
|
1067 |
|
|
RETVAL = newSVsv (self); |
1068 |
|
|
} |
1069 |
|
|
OUTPUT: |
1070 |
|
|
RETVAL |
1071 |
|
|
|
1072 |
root |
1.1 |
void encode (SV *self, SV *scalar) |
1073 |
|
|
PPCODE: |
1074 |
|
|
XPUSHs (encode_json (scalar, *SvJSON (self))); |
1075 |
|
|
|
1076 |
root |
1.2 |
void decode (SV *self, SV *jsonstr) |
1077 |
root |
1.1 |
PPCODE: |
1078 |
root |
1.2 |
XPUSHs (decode_json (jsonstr, *SvJSON (self))); |
1079 |
|
|
|
1080 |
root |
1.4 |
PROTOTYPES: ENABLE |
1081 |
|
|
|
1082 |
root |
1.2 |
void to_json (SV *scalar) |
1083 |
root |
1.15 |
ALIAS: |
1084 |
|
|
objToJson = 0 |
1085 |
root |
1.2 |
PPCODE: |
1086 |
root |
1.18 |
XPUSHs (encode_json (scalar, F_DEFAULT | F_UTF8)); |
1087 |
root |
1.2 |
|
1088 |
|
|
void from_json (SV *jsonstr) |
1089 |
root |
1.15 |
ALIAS: |
1090 |
|
|
jsonToObj = 0 |
1091 |
root |
1.2 |
PPCODE: |
1092 |
root |
1.18 |
XPUSHs (decode_json (jsonstr, F_DEFAULT | F_UTF8)); |
1093 |
root |
1.1 |
|