… | |
… | |
4 | |
4 | |
5 | #include <assert.h> |
5 | #include <assert.h> |
6 | #include <string.h> |
6 | #include <string.h> |
7 | #include <stdlib.h> |
7 | #include <stdlib.h> |
8 | #include <stdio.h> |
8 | #include <stdio.h> |
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9 | #include <limits.h> |
9 | #include <float.h> |
10 | #include <float.h> |
10 | |
11 | |
11 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
12 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
12 | # define snprintf _snprintf // C compilers have this in stdio.h |
13 | # define snprintf _snprintf // C compilers have this in stdio.h |
13 | #endif |
14 | #endif |
14 | |
15 | |
15 | // some old perls do not have this, try to make it work, no |
16 | // some old perls do not have this, try to make it work, no |
16 | // guarentees, though. if it breaks, you get to keep the pieces. |
17 | // guarantees, though. if it breaks, you get to keep the pieces. |
17 | #ifndef UTF8_MAXBYTES |
18 | #ifndef UTF8_MAXBYTES |
18 | # define UTF8_MAXBYTES 13 |
19 | # define UTF8_MAXBYTES 13 |
19 | #endif |
20 | #endif |
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21 | |
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22 | // compatibility with perl <5.18 |
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23 | #ifndef HvNAMELEN_get |
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24 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
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25 | #endif |
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26 | #ifndef HvNAMELEN |
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27 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
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28 | #endif |
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29 | #ifndef HvNAMEUTF8 |
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30 | # define HvNAMEUTF8(hv) 0 |
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31 | #endif |
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32 | |
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33 | // three extra for rounding, sign, and end of string |
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34 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3) |
20 | |
35 | |
21 | #define F_ASCII 0x00000001UL |
36 | #define F_ASCII 0x00000001UL |
22 | #define F_LATIN1 0x00000002UL |
37 | #define F_LATIN1 0x00000002UL |
23 | #define F_UTF8 0x00000004UL |
38 | #define F_UTF8 0x00000004UL |
24 | #define F_INDENT 0x00000008UL |
39 | #define F_INDENT 0x00000008UL |
… | |
… | |
28 | #define F_ALLOW_NONREF 0x00000100UL |
43 | #define F_ALLOW_NONREF 0x00000100UL |
29 | #define F_SHRINK 0x00000200UL |
44 | #define F_SHRINK 0x00000200UL |
30 | #define F_ALLOW_BLESSED 0x00000400UL |
45 | #define F_ALLOW_BLESSED 0x00000400UL |
31 | #define F_CONV_BLESSED 0x00000800UL |
46 | #define F_CONV_BLESSED 0x00000800UL |
32 | #define F_RELAXED 0x00001000UL |
47 | #define F_RELAXED 0x00001000UL |
33 | |
48 | #define F_ALLOW_UNKNOWN 0x00002000UL |
34 | #define F_MAXDEPTH 0xf8000000UL |
49 | #define F_ALLOW_TAGS 0x00004000UL |
35 | #define S_MAXDEPTH 27 |
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36 | #define F_MAXSIZE 0x01f00000UL |
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37 | #define S_MAXSIZE 20 |
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38 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
50 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
39 | |
51 | |
40 | #define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH)) |
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41 | #define DEC_SIZE(flags) (1UL << ((flags & F_MAXSIZE ) >> S_MAXSIZE )) |
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42 | |
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43 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
52 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
44 | #define F_DEFAULT (9UL << S_MAXDEPTH) |
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45 | |
53 | |
46 | #define INIT_SIZE 32 // initial scalar size to be allocated |
54 | #define INIT_SIZE 32 // initial scalar size to be allocated |
47 | #define INDENT_STEP 3 // spaces per indentation level |
55 | #define INDENT_STEP 3 // spaces per indentation level |
48 | |
56 | |
49 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
57 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
50 | |
58 | |
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59 | #define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8) |
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60 | |
51 | #define SB do { |
61 | #define SB do { |
52 | #define SE } while (0) |
62 | #define SE } while (0) |
53 | |
63 | |
54 | #if __GNUC__ >= 3 |
64 | #if __GNUC__ >= 3 |
55 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
65 | # define expect(expr,value) __builtin_expect ((expr), (value)) |
56 | # define inline inline |
66 | # define INLINE static inline |
57 | #else |
67 | #else |
58 | # define expect(expr,value) (expr) |
68 | # define expect(expr,value) (expr) |
59 | # define inline static |
69 | # define INLINE static |
60 | #endif |
70 | #endif |
61 | |
71 | |
62 | #define expect_false(expr) expect ((expr) != 0, 0) |
72 | #define expect_false(expr) expect ((expr) != 0, 0) |
63 | #define expect_true(expr) expect ((expr) != 0, 1) |
73 | #define expect_true(expr) expect ((expr) != 0, 1) |
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74 | |
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75 | #define IN_RANGE_INC(type,val,beg,end) \ |
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76 | ((unsigned type)((unsigned type)(val) - (unsigned type)(beg)) \ |
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77 | <= (unsigned type)((unsigned type)(end) - (unsigned type)(beg))) |
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78 | |
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79 | #define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)" |
64 | |
80 | |
65 | #ifdef USE_ITHREADS |
81 | #ifdef USE_ITHREADS |
66 | # define JSON_SLOW 1 |
82 | # define JSON_SLOW 1 |
67 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
83 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
68 | #else |
84 | #else |
69 | # define JSON_SLOW 0 |
85 | # define JSON_SLOW 0 |
70 | # define JSON_STASH json_stash |
86 | # define JSON_STASH json_stash |
71 | #endif |
87 | #endif |
72 | |
88 | |
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89 | // the amount of HEs to allocate on the stack, when sorting keys |
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90 | #define STACK_HES 64 |
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91 | |
73 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
92 | static HV *json_stash, *types_boolean_stash; // JSON::XS:: |
74 | static SV *json_true, *json_false; |
93 | static SV *types_true, *types_false, *sv_json; |
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94 | |
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95 | enum { |
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96 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
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97 | INCR_M_STR, // inside string |
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98 | INCR_M_BS, // inside backslash |
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99 | INCR_M_C0, // inside comment in initial whitespace sequence |
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100 | INCR_M_C1, // inside comment in other places |
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101 | INCR_M_JSON // outside anything, count nesting |
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102 | }; |
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103 | |
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104 | #define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON) |
75 | |
105 | |
76 | typedef struct { |
106 | typedef struct { |
77 | U32 flags; |
107 | U32 flags; |
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108 | U32 max_depth; |
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109 | STRLEN max_size; |
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110 | |
78 | SV *cb_object; |
111 | SV *cb_object; |
79 | HV *cb_sk_object; |
112 | HV *cb_sk_object; |
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113 | |
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114 | // for the incremental parser |
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115 | SV *incr_text; // the source text so far |
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116 | STRLEN incr_pos; // the current offset into the text |
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117 | int incr_nest; // {[]}-nesting level |
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118 | unsigned char incr_mode; |
80 | } JSON; |
119 | } JSON; |
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120 | |
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121 | INLINE void |
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122 | json_init (JSON *json) |
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123 | { |
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124 | Zero (json, 1, JSON); |
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125 | json->max_depth = 512; |
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126 | } |
81 | |
127 | |
82 | ///////////////////////////////////////////////////////////////////////////// |
128 | ///////////////////////////////////////////////////////////////////////////// |
83 | // utility functions |
129 | // utility functions |
84 | |
130 | |
85 | inline void |
131 | INLINE SV * |
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132 | get_bool (const char *name) |
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133 | { |
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134 | SV *sv = get_sv (name, 1); |
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135 | |
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136 | SvREADONLY_on (sv); |
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137 | SvREADONLY_on (SvRV (sv)); |
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138 | |
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139 | return sv; |
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140 | } |
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141 | |
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142 | INLINE void |
86 | shrink (SV *sv) |
143 | shrink (SV *sv) |
87 | { |
144 | { |
88 | sv_utf8_downgrade (sv, 1); |
145 | sv_utf8_downgrade (sv, 1); |
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146 | |
89 | if (SvLEN (sv) > SvCUR (sv) + 1) |
147 | if (SvLEN (sv) > SvCUR (sv) + 1) |
90 | { |
148 | { |
91 | #ifdef SvPV_shrink_to_cur |
149 | #ifdef SvPV_shrink_to_cur |
92 | SvPV_shrink_to_cur (sv); |
150 | SvPV_shrink_to_cur (sv); |
93 | #elif defined (SvPV_renew) |
151 | #elif defined (SvPV_renew) |
… | |
… | |
99 | // decode an utf-8 character and return it, or (UV)-1 in |
157 | // decode an utf-8 character and return it, or (UV)-1 in |
100 | // case of an error. |
158 | // case of an error. |
101 | // we special-case "safe" characters from U+80 .. U+7FF, |
159 | // we special-case "safe" characters from U+80 .. U+7FF, |
102 | // but use the very good perl function to parse anything else. |
160 | // but use the very good perl function to parse anything else. |
103 | // note that we never call this function for a ascii codepoints |
161 | // note that we never call this function for a ascii codepoints |
104 | inline UV |
162 | INLINE UV |
105 | decode_utf8 (unsigned char *s, STRLEN len, STRLEN *clen) |
163 | decode_utf8 (unsigned char *s, STRLEN len, STRLEN *clen) |
106 | { |
164 | { |
107 | if (expect_false (s[0] > 0xdf || s[0] < 0xc2)) |
165 | if (expect_true (len >= 2 |
108 | return utf8n_to_uvuni (s, len, clen, UTF8_CHECK_ONLY); |
166 | && IN_RANGE_INC (char, s[0], 0xc2, 0xdf) |
109 | else if (len > 1 && s[1] >= 0x80 && s[1] <= 0xbf) |
167 | && IN_RANGE_INC (char, s[1], 0x80, 0xbf))) |
110 | { |
168 | { |
111 | *clen = 2; |
169 | *clen = 2; |
112 | return ((s[0] & 0x1f) << 6) | (s[1] & 0x3f); |
170 | return ((s[0] & 0x1f) << 6) | (s[1] & 0x3f); |
113 | } |
171 | } |
114 | else |
172 | else |
115 | { |
173 | return utf8n_to_uvuni (s, len, clen, UTF8_CHECK_ONLY); |
116 | *clen = (STRLEN)-1; |
174 | } |
117 | return (UV)-1; |
175 | |
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176 | // likewise for encoding, also never called for ascii codepoints |
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177 | // this function takes advantage of this fact, although current gccs |
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178 | // seem to optimise the check for >= 0x80 away anyways |
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179 | INLINE unsigned char * |
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180 | encode_utf8 (unsigned char *s, UV ch) |
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181 | { |
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182 | if (expect_false (ch < 0x000080)) |
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183 | *s++ = ch; |
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184 | else if (expect_true (ch < 0x000800)) |
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185 | *s++ = 0xc0 | ( ch >> 6), |
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186 | *s++ = 0x80 | ( ch & 0x3f); |
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187 | else if ( ch < 0x010000) |
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188 | *s++ = 0xe0 | ( ch >> 12), |
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189 | *s++ = 0x80 | ((ch >> 6) & 0x3f), |
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190 | *s++ = 0x80 | ( ch & 0x3f); |
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191 | else if ( ch < 0x110000) |
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192 | *s++ = 0xf0 | ( ch >> 18), |
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193 | *s++ = 0x80 | ((ch >> 12) & 0x3f), |
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194 | *s++ = 0x80 | ((ch >> 6) & 0x3f), |
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195 | *s++ = 0x80 | ( ch & 0x3f); |
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196 | |
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197 | return s; |
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198 | } |
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199 | |
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200 | // convert offset pointer to character index, sv must be string |
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201 | static STRLEN |
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202 | ptr_to_index (SV *sv, char *offset) |
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203 | { |
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204 | return SvUTF8 (sv) |
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205 | ? utf8_distance (offset, SvPVX (sv)) |
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206 | : offset - SvPVX (sv); |
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207 | } |
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208 | |
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209 | ///////////////////////////////////////////////////////////////////////////// |
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210 | // fp hell |
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211 | |
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212 | // scan a group of digits, and a trailing exponent |
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213 | static void |
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214 | json_atof_scan1 (const char *s, NV *accum, int *expo, int postdp, int maxdepth) |
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215 | { |
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216 | UV uaccum = 0; |
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217 | int eaccum = 0; |
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218 | |
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219 | // if we recurse too deep, skip all remaining digits |
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220 | // to avoid a stack overflow attack |
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221 | if (expect_false (--maxdepth <= 0)) |
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222 | while (((U8)*s - '0') < 10) |
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223 | ++s; |
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224 | |
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225 | for (;;) |
118 | } |
226 | { |
119 | } |
227 | U8 dig = (U8)*s - '0'; |
120 | |
228 | |
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229 | if (expect_false (dig >= 10)) |
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230 | { |
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231 | if (dig == (U8)((U8)'.' - (U8)'0')) |
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232 | { |
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233 | ++s; |
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234 | json_atof_scan1 (s, accum, expo, 1, maxdepth); |
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235 | } |
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236 | else if ((dig | ' ') == 'e' - '0') |
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237 | { |
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238 | int exp2 = 0; |
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239 | int neg = 0; |
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240 | |
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241 | ++s; |
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242 | |
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243 | if (*s == '-') |
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244 | { |
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245 | ++s; |
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246 | neg = 1; |
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247 | } |
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248 | else if (*s == '+') |
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249 | ++s; |
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250 | |
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251 | while ((dig = (U8)*s - '0') < 10) |
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252 | exp2 = exp2 * 10 + *s++ - '0'; |
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253 | |
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254 | *expo += neg ? -exp2 : exp2; |
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255 | } |
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256 | |
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257 | break; |
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258 | } |
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259 | |
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260 | ++s; |
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261 | |
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262 | uaccum = uaccum * 10 + dig; |
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263 | ++eaccum; |
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264 | |
|
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265 | // if we have too many digits, then recurse for more |
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266 | // we actually do this for rather few digits |
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267 | if (uaccum >= (UV_MAX - 9) / 10) |
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268 | { |
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269 | if (postdp) *expo -= eaccum; |
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270 | json_atof_scan1 (s, accum, expo, postdp, maxdepth); |
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271 | if (postdp) *expo += eaccum; |
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272 | |
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273 | break; |
|
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274 | } |
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275 | } |
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276 | |
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277 | // this relies greatly on the quality of the pow () |
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278 | // implementation of the platform, but a good |
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279 | // implementation is hard to beat. |
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280 | // (IEEE 754 conformant ones are required to be exact) |
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281 | if (postdp) *expo -= eaccum; |
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282 | *accum += uaccum * Perl_pow (10., *expo); |
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283 | *expo += eaccum; |
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284 | } |
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285 | |
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286 | static NV |
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287 | json_atof (const char *s) |
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288 | { |
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289 | NV accum = 0.; |
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290 | int expo = 0; |
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291 | int neg = 0; |
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292 | |
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293 | if (*s == '-') |
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294 | { |
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295 | ++s; |
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296 | neg = 1; |
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297 | } |
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298 | |
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299 | // a recursion depth of ten gives us >>500 bits |
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300 | json_atof_scan1 (s, &accum, &expo, 0, 10); |
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301 | |
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302 | return neg ? -accum : accum; |
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303 | } |
121 | ///////////////////////////////////////////////////////////////////////////// |
304 | ///////////////////////////////////////////////////////////////////////////// |
122 | // encoder |
305 | // encoder |
123 | |
306 | |
124 | // structure used for encoding JSON |
307 | // structure used for encoding JSON |
125 | typedef struct |
308 | typedef struct |
… | |
… | |
127 | char *cur; // SvPVX (sv) + current output position |
310 | char *cur; // SvPVX (sv) + current output position |
128 | char *end; // SvEND (sv) |
311 | char *end; // SvEND (sv) |
129 | SV *sv; // result scalar |
312 | SV *sv; // result scalar |
130 | JSON json; |
313 | JSON json; |
131 | U32 indent; // indentation level |
314 | U32 indent; // indentation level |
132 | U32 maxdepth; // max. indentation/recursion level |
315 | UV limit; // escape character values >= this value when encoding |
133 | } enc_t; |
316 | } enc_t; |
134 | |
317 | |
135 | inline void |
318 | INLINE void |
136 | need (enc_t *enc, STRLEN len) |
319 | need (enc_t *enc, STRLEN len) |
137 | { |
320 | { |
138 | if (expect_false (enc->cur + len >= enc->end)) |
321 | if (expect_false (enc->cur + len >= enc->end)) |
139 | { |
322 | { |
140 | STRLEN cur = enc->cur - SvPVX (enc->sv); |
323 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
141 | SvGROW (enc->sv, cur + len + 1); |
324 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
142 | enc->cur = SvPVX (enc->sv) + cur; |
325 | enc->cur = SvPVX (enc->sv) + cur; |
143 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
326 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
144 | } |
327 | } |
145 | } |
328 | } |
146 | |
329 | |
147 | inline void |
330 | INLINE void |
148 | encode_ch (enc_t *enc, char ch) |
331 | encode_ch (enc_t *enc, char ch) |
149 | { |
332 | { |
150 | need (enc, 1); |
333 | need (enc, 1); |
151 | *enc->cur++ = ch; |
334 | *enc->cur++ = ch; |
152 | } |
335 | } |
… | |
… | |
206 | { |
389 | { |
207 | uch = ch; |
390 | uch = ch; |
208 | clen = 1; |
391 | clen = 1; |
209 | } |
392 | } |
210 | |
393 | |
211 | if (uch > 0x10FFFFUL) |
394 | if (uch < 0x80/*0x20*/ || uch >= enc->limit) |
212 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
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213 | |
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214 | if (uch < 0x80 || enc->json.flags & F_ASCII || (enc->json.flags & F_LATIN1 && uch > 0xFF)) |
|
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215 | { |
395 | { |
216 | if (uch > 0xFFFFUL) |
396 | if (uch >= 0x10000UL) |
217 | { |
397 | { |
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398 | if (uch >= 0x110000UL) |
|
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399 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
|
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400 | |
218 | need (enc, len += 11); |
401 | need (enc, len += 11); |
219 | sprintf (enc->cur, "\\u%04x\\u%04x", |
402 | sprintf (enc->cur, "\\u%04x\\u%04x", |
220 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
403 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
221 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
404 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
222 | enc->cur += 12; |
405 | enc->cur += 12; |
223 | } |
406 | } |
224 | else |
407 | else |
225 | { |
408 | { |
226 | static char hexdigit [16] = "0123456789abcdef"; |
|
|
227 | need (enc, len += 5); |
409 | need (enc, len += 5); |
228 | *enc->cur++ = '\\'; |
410 | *enc->cur++ = '\\'; |
229 | *enc->cur++ = 'u'; |
411 | *enc->cur++ = 'u'; |
230 | *enc->cur++ = hexdigit [ uch >> 12 ]; |
412 | *enc->cur++ = PL_hexdigit [ uch >> 12 ]; |
231 | *enc->cur++ = hexdigit [(uch >> 8) & 15]; |
413 | *enc->cur++ = PL_hexdigit [(uch >> 8) & 15]; |
232 | *enc->cur++ = hexdigit [(uch >> 4) & 15]; |
414 | *enc->cur++ = PL_hexdigit [(uch >> 4) & 15]; |
233 | *enc->cur++ = hexdigit [(uch >> 0) & 15]; |
415 | *enc->cur++ = PL_hexdigit [(uch >> 0) & 15]; |
234 | } |
416 | } |
235 | |
417 | |
236 | str += clen; |
418 | str += clen; |
237 | } |
419 | } |
238 | else if (enc->json.flags & F_LATIN1) |
420 | else if (enc->json.flags & F_LATIN1) |
… | |
… | |
250 | while (--clen); |
432 | while (--clen); |
251 | } |
433 | } |
252 | else |
434 | else |
253 | { |
435 | { |
254 | need (enc, len += UTF8_MAXBYTES - 1); // never more than 11 bytes needed |
436 | need (enc, len += UTF8_MAXBYTES - 1); // never more than 11 bytes needed |
255 | enc->cur = uvuni_to_utf8_flags (enc->cur, uch, 0); |
437 | enc->cur = encode_utf8 (enc->cur, uch); |
256 | ++str; |
438 | ++str; |
257 | } |
439 | } |
258 | } |
440 | } |
259 | } |
441 | } |
260 | } |
442 | } |
261 | |
443 | |
262 | --len; |
444 | --len; |
263 | } |
445 | } |
264 | } |
446 | } |
265 | |
447 | |
266 | inline void |
448 | INLINE void |
267 | encode_indent (enc_t *enc) |
449 | encode_indent (enc_t *enc) |
268 | { |
450 | { |
269 | if (enc->json.flags & F_INDENT) |
451 | if (enc->json.flags & F_INDENT) |
270 | { |
452 | { |
271 | int spaces = enc->indent * INDENT_STEP; |
453 | int spaces = enc->indent * INDENT_STEP; |
… | |
… | |
274 | memset (enc->cur, ' ', spaces); |
456 | memset (enc->cur, ' ', spaces); |
275 | enc->cur += spaces; |
457 | enc->cur += spaces; |
276 | } |
458 | } |
277 | } |
459 | } |
278 | |
460 | |
279 | inline void |
461 | INLINE void |
280 | encode_space (enc_t *enc) |
462 | encode_space (enc_t *enc) |
281 | { |
463 | { |
282 | need (enc, 1); |
464 | need (enc, 1); |
283 | encode_ch (enc, ' '); |
465 | encode_ch (enc, ' '); |
284 | } |
466 | } |
285 | |
467 | |
286 | inline void |
468 | INLINE void |
287 | encode_nl (enc_t *enc) |
469 | encode_nl (enc_t *enc) |
288 | { |
470 | { |
289 | if (enc->json.flags & F_INDENT) |
471 | if (enc->json.flags & F_INDENT) |
290 | { |
472 | { |
291 | need (enc, 1); |
473 | need (enc, 1); |
292 | encode_ch (enc, '\n'); |
474 | encode_ch (enc, '\n'); |
293 | } |
475 | } |
294 | } |
476 | } |
295 | |
477 | |
296 | inline void |
478 | INLINE void |
297 | encode_comma (enc_t *enc) |
479 | encode_comma (enc_t *enc) |
298 | { |
480 | { |
299 | encode_ch (enc, ','); |
481 | encode_ch (enc, ','); |
300 | |
482 | |
301 | if (enc->json.flags & F_INDENT) |
483 | if (enc->json.flags & F_INDENT) |
… | |
… | |
309 | static void |
491 | static void |
310 | encode_av (enc_t *enc, AV *av) |
492 | encode_av (enc_t *enc, AV *av) |
311 | { |
493 | { |
312 | int i, len = av_len (av); |
494 | int i, len = av_len (av); |
313 | |
495 | |
314 | if (enc->indent >= enc->maxdepth) |
496 | if (enc->indent >= enc->json.max_depth) |
315 | croak ("data structure too deep (hit recursion limit)"); |
497 | croak (ERR_NESTING_EXCEEDED); |
316 | |
498 | |
317 | encode_ch (enc, '['); |
499 | encode_ch (enc, '['); |
318 | |
500 | |
319 | if (len >= 0) |
501 | if (len >= 0) |
320 | { |
502 | { |
321 | encode_nl (enc); ++enc->indent; |
503 | encode_nl (enc); ++enc->indent; |
322 | |
504 | |
323 | for (i = 0; i <= len; ++i) |
505 | for (i = 0; i <= len; ++i) |
… | |
… | |
335 | encode_comma (enc); |
517 | encode_comma (enc); |
336 | } |
518 | } |
337 | |
519 | |
338 | encode_nl (enc); --enc->indent; encode_indent (enc); |
520 | encode_nl (enc); --enc->indent; encode_indent (enc); |
339 | } |
521 | } |
340 | |
522 | |
341 | encode_ch (enc, ']'); |
523 | encode_ch (enc, ']'); |
342 | } |
524 | } |
343 | |
525 | |
344 | static void |
526 | static void |
345 | encode_hk (enc_t *enc, HE *he) |
527 | encode_hk (enc_t *enc, HE *he) |
… | |
… | |
349 | if (HeKLEN (he) == HEf_SVKEY) |
531 | if (HeKLEN (he) == HEf_SVKEY) |
350 | { |
532 | { |
351 | SV *sv = HeSVKEY (he); |
533 | SV *sv = HeSVKEY (he); |
352 | STRLEN len; |
534 | STRLEN len; |
353 | char *str; |
535 | char *str; |
354 | |
536 | |
355 | SvGETMAGIC (sv); |
537 | SvGETMAGIC (sv); |
356 | str = SvPV (sv, len); |
538 | str = SvPV (sv, len); |
357 | |
539 | |
358 | encode_str (enc, str, len, SvUTF8 (sv)); |
540 | encode_str (enc, str, len, SvUTF8 (sv)); |
359 | } |
541 | } |
… | |
… | |
394 | |
576 | |
395 | static void |
577 | static void |
396 | encode_hv (enc_t *enc, HV *hv) |
578 | encode_hv (enc_t *enc, HV *hv) |
397 | { |
579 | { |
398 | HE *he; |
580 | HE *he; |
399 | int count; |
|
|
400 | |
581 | |
401 | if (enc->indent >= enc->maxdepth) |
582 | if (enc->indent >= enc->json.max_depth) |
402 | croak ("data structure too deep (hit recursion limit)"); |
583 | croak (ERR_NESTING_EXCEEDED); |
403 | |
584 | |
404 | encode_ch (enc, '{'); |
585 | encode_ch (enc, '{'); |
405 | |
586 | |
406 | // for canonical output we have to sort by keys first |
587 | // for canonical output we have to sort by keys first |
407 | // actually, this is mostly due to the stupid so-called |
588 | // actually, this is mostly due to the stupid so-called |
408 | // security workaround added somewhere in 5.8.x. |
589 | // security workaround added somewhere in 5.8.x |
409 | // that randomises hash orderings |
590 | // that randomises hash orderings |
410 | if (enc->json.flags & F_CANONICAL) |
591 | if (enc->json.flags & F_CANONICAL && !SvRMAGICAL (hv)) |
411 | { |
592 | { |
412 | int count = hv_iterinit (hv); |
593 | int count = hv_iterinit (hv); |
413 | |
594 | |
414 | if (SvMAGICAL (hv)) |
595 | if (SvMAGICAL (hv)) |
415 | { |
596 | { |
… | |
… | |
426 | } |
607 | } |
427 | |
608 | |
428 | if (count) |
609 | if (count) |
429 | { |
610 | { |
430 | int i, fast = 1; |
611 | int i, fast = 1; |
431 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
612 | HE *hes_stack [STACK_HES]; |
432 | HE **hes = _alloca (count * sizeof (HE)); |
613 | HE **hes = hes_stack; |
433 | #else |
614 | |
434 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
615 | // allocate larger arrays on the heap |
435 | #endif |
616 | if (count > STACK_HES) |
|
|
617 | { |
|
|
618 | SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes))); |
|
|
619 | hes = (HE **)SvPVX (sv); |
|
|
620 | } |
436 | |
621 | |
437 | i = 0; |
622 | i = 0; |
438 | while ((he = hv_iternext (hv))) |
623 | while ((he = hv_iternext (hv))) |
439 | { |
624 | { |
440 | hes [i++] = he; |
625 | hes [i++] = he; |
… | |
… | |
509 | // encode objects, arrays and special \0=false and \1=true values. |
694 | // encode objects, arrays and special \0=false and \1=true values. |
510 | static void |
695 | static void |
511 | encode_rv (enc_t *enc, SV *sv) |
696 | encode_rv (enc_t *enc, SV *sv) |
512 | { |
697 | { |
513 | svtype svt; |
698 | svtype svt; |
|
|
699 | GV *method; |
514 | |
700 | |
515 | SvGETMAGIC (sv); |
701 | SvGETMAGIC (sv); |
516 | svt = SvTYPE (sv); |
702 | svt = SvTYPE (sv); |
517 | |
703 | |
518 | if (expect_false (SvOBJECT (sv))) |
704 | if (expect_false (SvOBJECT (sv))) |
519 | { |
705 | { |
520 | HV *stash = !JSON_SLOW || json_boolean_stash |
706 | HV *boolean_stash = !JSON_SLOW || types_boolean_stash |
521 | ? json_boolean_stash |
707 | ? types_boolean_stash |
522 | : gv_stashpv ("JSON::XS::Boolean", 1); |
708 | : gv_stashpv ("Types::Serialiser::Boolean", 1); |
|
|
709 | HV *stash = SvSTASH (sv); |
523 | |
710 | |
524 | if (SvSTASH (sv) == stash) |
711 | if (stash == boolean_stash) |
525 | { |
712 | { |
526 | if (SvIV (sv)) |
713 | if (SvIV (sv)) |
527 | encode_str (enc, "true", 4, 0); |
714 | encode_str (enc, "true", 4, 0); |
528 | else |
715 | else |
529 | encode_str (enc, "false", 5, 0); |
716 | encode_str (enc, "false", 5, 0); |
530 | } |
717 | } |
|
|
718 | else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0))) |
|
|
719 | { |
|
|
720 | int count; |
|
|
721 | dSP; |
|
|
722 | |
|
|
723 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
724 | EXTEND (SP, 2); |
|
|
725 | // we re-bless the reference to get overload and other niceties right |
|
|
726 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
727 | PUSHs (sv_json); |
|
|
728 | |
|
|
729 | PUTBACK; |
|
|
730 | count = call_sv ((SV *)GvCV (method), G_ARRAY); |
|
|
731 | SPAGAIN; |
|
|
732 | |
|
|
733 | // catch this surprisingly common error |
|
|
734 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
735 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
736 | |
|
|
737 | encode_ch (enc, '('); |
|
|
738 | encode_ch (enc, '"'); |
|
|
739 | encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash)); |
|
|
740 | encode_ch (enc, '"'); |
|
|
741 | encode_ch (enc, ')'); |
|
|
742 | encode_ch (enc, '['); |
|
|
743 | |
|
|
744 | while (count) |
|
|
745 | { |
|
|
746 | encode_sv (enc, SP[1 - count--]); |
|
|
747 | |
|
|
748 | if (count) |
|
|
749 | encode_ch (enc, ','); |
|
|
750 | } |
|
|
751 | |
|
|
752 | encode_ch (enc, ']'); |
|
|
753 | |
|
|
754 | PUTBACK; |
|
|
755 | |
|
|
756 | FREETMPS; LEAVE; |
|
|
757 | } |
|
|
758 | else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0))) |
|
|
759 | { |
|
|
760 | dSP; |
|
|
761 | |
|
|
762 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
763 | // we re-bless the reference to get overload and other niceties right |
|
|
764 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
765 | |
|
|
766 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
767 | PUTBACK; |
|
|
768 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
769 | SPAGAIN; |
|
|
770 | |
|
|
771 | // catch this surprisingly common error |
|
|
772 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
773 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
774 | |
|
|
775 | sv = POPs; |
|
|
776 | PUTBACK; |
|
|
777 | |
|
|
778 | encode_sv (enc, sv); |
|
|
779 | |
|
|
780 | FREETMPS; LEAVE; |
|
|
781 | } |
|
|
782 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
783 | encode_str (enc, "null", 4, 0); |
531 | else |
784 | else |
532 | { |
|
|
533 | #if 0 |
|
|
534 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
|
|
535 | { |
|
|
536 | // not yet |
|
|
537 | } |
|
|
538 | #endif |
|
|
539 | if (enc->json.flags & F_CONV_BLESSED) |
|
|
540 | { |
|
|
541 | // we re-bless the reference to get overload and other niceties right |
|
|
542 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0); |
|
|
543 | |
|
|
544 | if (to_json) |
|
|
545 | { |
|
|
546 | dSP; |
|
|
547 | |
|
|
548 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
549 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
|
550 | |
|
|
551 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
552 | PUTBACK; |
|
|
553 | call_sv ((SV *)GvCV (to_json), G_SCALAR); |
|
|
554 | SPAGAIN; |
|
|
555 | |
|
|
556 | // catch this surprisingly common error |
|
|
557 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
558 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
559 | |
|
|
560 | sv = POPs; |
|
|
561 | PUTBACK; |
|
|
562 | |
|
|
563 | encode_sv (enc, sv); |
|
|
564 | |
|
|
565 | FREETMPS; LEAVE; |
|
|
566 | } |
|
|
567 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
568 | encode_str (enc, "null", 4, 0); |
|
|
569 | else |
|
|
570 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
|
|
571 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
572 | } |
|
|
573 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
574 | encode_str (enc, "null", 4, 0); |
|
|
575 | else |
|
|
576 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
785 | croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)", |
577 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
786 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
578 | } |
|
|
579 | } |
787 | } |
580 | else if (svt == SVt_PVHV) |
788 | else if (svt == SVt_PVHV) |
581 | encode_hv (enc, (HV *)sv); |
789 | encode_hv (enc, (HV *)sv); |
582 | else if (svt == SVt_PVAV) |
790 | else if (svt == SVt_PVAV) |
583 | encode_av (enc, (AV *)sv); |
791 | encode_av (enc, (AV *)sv); |
… | |
… | |
588 | |
796 | |
589 | if (len == 1 && *pv == '1') |
797 | if (len == 1 && *pv == '1') |
590 | encode_str (enc, "true", 4, 0); |
798 | encode_str (enc, "true", 4, 0); |
591 | else if (len == 1 && *pv == '0') |
799 | else if (len == 1 && *pv == '0') |
592 | encode_str (enc, "false", 5, 0); |
800 | encode_str (enc, "false", 5, 0); |
|
|
801 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
|
|
802 | encode_str (enc, "null", 4, 0); |
593 | else |
803 | else |
594 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
804 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
595 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
805 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
596 | } |
806 | } |
|
|
807 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
|
|
808 | encode_str (enc, "null", 4, 0); |
597 | else |
809 | else |
598 | croak ("encountered %s, but JSON can only represent references to arrays or hashes", |
810 | croak ("encountered %s, but JSON can only represent references to arrays or hashes", |
599 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
811 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
600 | } |
812 | } |
601 | |
813 | |
… | |
… | |
619 | Gconvert (SvNVX (sv), NV_DIG, 0, enc->cur); |
831 | Gconvert (SvNVX (sv), NV_DIG, 0, enc->cur); |
620 | enc->cur += strlen (enc->cur); |
832 | enc->cur += strlen (enc->cur); |
621 | } |
833 | } |
622 | else if (SvIOKp (sv)) |
834 | else if (SvIOKp (sv)) |
623 | { |
835 | { |
624 | // we assume we can always read an IV as a UV |
836 | // we assume we can always read an IV as a UV and vice versa |
625 | if (SvUV (sv) & ~(UV)0x7fff) |
837 | // we assume two's complement |
626 | { |
838 | // we assume no aliasing issues in the union |
627 | // large integer, use the (rather slow) snprintf way. |
839 | if (SvIsUV (sv) ? SvUVX (sv) <= 59000 |
628 | need (enc, sizeof (UV) * 3); |
840 | : SvIVX (sv) <= 59000 && SvIVX (sv) >= -59000) |
629 | enc->cur += |
|
|
630 | SvIsUV(sv) |
|
|
631 | ? snprintf (enc->cur, sizeof (UV) * 3, "%"UVuf, (UV)SvUVX (sv)) |
|
|
632 | : snprintf (enc->cur, sizeof (UV) * 3, "%"IVdf, (IV)SvIVX (sv)); |
|
|
633 | } |
|
|
634 | else |
|
|
635 | { |
841 | { |
636 | // optimise the "small number case" |
842 | // optimise the "small number case" |
637 | // code will likely be branchless and use only a single multiplication |
843 | // code will likely be branchless and use only a single multiplication |
|
|
844 | // works for numbers up to 59074 |
638 | I32 i = SvIV (sv); |
845 | I32 i = SvIVX (sv); |
639 | U32 u; |
846 | U32 u; |
640 | char digit, nz = 0; |
847 | char digit, nz = 0; |
641 | |
848 | |
642 | need (enc, 6); |
849 | need (enc, 6); |
643 | |
850 | |
… | |
… | |
649 | |
856 | |
650 | // now output digit by digit, each time masking out the integer part |
857 | // now output digit by digit, each time masking out the integer part |
651 | // and multiplying by 5 while moving the decimal point one to the right, |
858 | // and multiplying by 5 while moving the decimal point one to the right, |
652 | // resulting in a net multiplication by 10. |
859 | // resulting in a net multiplication by 10. |
653 | // we always write the digit to memory but conditionally increment |
860 | // we always write the digit to memory but conditionally increment |
654 | // the pointer, to ease the usage of conditional move instructions. |
861 | // the pointer, to enable the use of conditional move instructions. |
655 | digit = u >> 28; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0xfffffff) * 5; |
862 | digit = u >> 28; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0xfffffffUL) * 5; |
656 | digit = u >> 27; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x7ffffff) * 5; |
863 | digit = u >> 27; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x7ffffffUL) * 5; |
657 | digit = u >> 26; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x3ffffff) * 5; |
864 | digit = u >> 26; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x3ffffffUL) * 5; |
658 | digit = u >> 25; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x1ffffff) * 5; |
865 | digit = u >> 25; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x1ffffffUL) * 5; |
659 | digit = u >> 24; *enc->cur = digit + '0'; enc->cur += 1; // correctly generate '0' |
866 | digit = u >> 24; *enc->cur = digit + '0'; enc->cur += 1; // correctly generate '0' |
660 | } |
867 | } |
|
|
868 | else |
|
|
869 | { |
|
|
870 | // large integer, use the (rather slow) snprintf way. |
|
|
871 | need (enc, IVUV_MAXCHARS); |
|
|
872 | enc->cur += |
|
|
873 | SvIsUV(sv) |
|
|
874 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
|
|
875 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
|
|
876 | } |
661 | } |
877 | } |
662 | else if (SvROK (sv)) |
878 | else if (SvROK (sv)) |
663 | encode_rv (enc, SvRV (sv)); |
879 | encode_rv (enc, SvRV (sv)); |
664 | else if (!SvOK (sv)) |
880 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
665 | encode_str (enc, "null", 4, 0); |
881 | encode_str (enc, "null", 4, 0); |
666 | else |
882 | else |
667 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
883 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data", |
668 | SvPV_nolen (sv), SvFLAGS (sv)); |
884 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
669 | } |
885 | } |
670 | |
886 | |
671 | static SV * |
887 | static SV * |
672 | encode_json (SV *scalar, JSON *json) |
888 | encode_json (SV *scalar, JSON *json) |
673 | { |
889 | { |
… | |
… | |
679 | enc.json = *json; |
895 | enc.json = *json; |
680 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
896 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
681 | enc.cur = SvPVX (enc.sv); |
897 | enc.cur = SvPVX (enc.sv); |
682 | enc.end = SvEND (enc.sv); |
898 | enc.end = SvEND (enc.sv); |
683 | enc.indent = 0; |
899 | enc.indent = 0; |
684 | enc.maxdepth = DEC_DEPTH (enc.json.flags); |
900 | enc.limit = enc.json.flags & F_ASCII ? 0x000080UL |
|
|
901 | : enc.json.flags & F_LATIN1 ? 0x000100UL |
|
|
902 | : 0x110000UL; |
685 | |
903 | |
686 | SvPOK_only (enc.sv); |
904 | SvPOK_only (enc.sv); |
687 | encode_sv (&enc, scalar); |
905 | encode_sv (&enc, scalar); |
|
|
906 | encode_nl (&enc); |
688 | |
907 | |
689 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
908 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
690 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
909 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
691 | |
910 | |
692 | if (!(enc.json.flags & (F_ASCII | F_LATIN1 | F_UTF8))) |
911 | if (!(enc.json.flags & (F_ASCII | F_LATIN1 | F_UTF8))) |
… | |
… | |
710 | JSON json; |
929 | JSON json; |
711 | U32 depth; // recursion depth |
930 | U32 depth; // recursion depth |
712 | U32 maxdepth; // recursion depth limit |
931 | U32 maxdepth; // recursion depth limit |
713 | } dec_t; |
932 | } dec_t; |
714 | |
933 | |
715 | inline void |
934 | INLINE void |
716 | decode_comment (dec_t *dec) |
935 | decode_comment (dec_t *dec) |
717 | { |
936 | { |
718 | // only '#'-style comments allowed a.t.m. |
937 | // only '#'-style comments allowed a.t.m. |
719 | |
938 | |
720 | while (*dec->cur && *dec->cur != 0x0a && *dec->cur != 0x0d) |
939 | while (*dec->cur && *dec->cur != 0x0a && *dec->cur != 0x0d) |
721 | ++dec->cur; |
940 | ++dec->cur; |
722 | } |
941 | } |
723 | |
942 | |
724 | inline void |
943 | INLINE void |
725 | decode_ws (dec_t *dec) |
944 | decode_ws (dec_t *dec) |
726 | { |
945 | { |
727 | for (;;) |
946 | for (;;) |
728 | { |
947 | { |
729 | char ch = *dec->cur; |
948 | char ch = *dec->cur; |
… | |
… | |
753 | if (*dec->cur != ch) \ |
972 | if (*dec->cur != ch) \ |
754 | ERR (# ch " expected"); \ |
973 | ERR (# ch " expected"); \ |
755 | ++dec->cur; \ |
974 | ++dec->cur; \ |
756 | SE |
975 | SE |
757 | |
976 | |
758 | #define DEC_INC_DEPTH if (++dec->depth > dec->maxdepth) ERR ("json datastructure exceeds maximum nesting level (set a higher max_depth)") |
977 | #define DEC_INC_DEPTH if (++dec->depth > dec->json.max_depth) ERR (ERR_NESTING_EXCEEDED) |
759 | #define DEC_DEC_DEPTH --dec->depth |
978 | #define DEC_DEC_DEPTH --dec->depth |
760 | |
979 | |
761 | static SV *decode_sv (dec_t *dec); |
980 | static SV *decode_sv (dec_t *dec); |
762 | |
981 | |
763 | static signed char decode_hexdigit[256]; |
982 | static signed char decode_hexdigit[256]; |
… | |
… | |
855 | |
1074 | |
856 | if (hi >= 0x80) |
1075 | if (hi >= 0x80) |
857 | { |
1076 | { |
858 | utf8 = 1; |
1077 | utf8 = 1; |
859 | |
1078 | |
860 | cur = (char *)uvuni_to_utf8_flags (cur, hi, 0); |
1079 | cur = encode_utf8 (cur, hi); |
861 | } |
1080 | } |
862 | else |
1081 | else |
863 | *cur++ = hi; |
1082 | *cur++ = hi; |
864 | } |
1083 | } |
865 | break; |
1084 | break; |
… | |
… | |
867 | default: |
1086 | default: |
868 | --dec_cur; |
1087 | --dec_cur; |
869 | ERR ("illegal backslash escape sequence in string"); |
1088 | ERR ("illegal backslash escape sequence in string"); |
870 | } |
1089 | } |
871 | } |
1090 | } |
872 | else if (expect_true (ch >= 0x20 && ch <= 0x7f)) |
1091 | else if (expect_true (ch >= 0x20 && ch < 0x80)) |
873 | *cur++ = ch; |
1092 | *cur++ = ch; |
874 | else if (ch >= 0x80) |
1093 | else if (ch >= 0x80) |
875 | { |
1094 | { |
876 | STRLEN clen; |
1095 | STRLEN clen; |
877 | UV uch; |
|
|
878 | |
1096 | |
879 | --dec_cur; |
1097 | --dec_cur; |
880 | |
1098 | |
881 | uch = decode_utf8 (dec_cur, dec->end - dec_cur, &clen); |
1099 | decode_utf8 (dec_cur, dec->end - dec_cur, &clen); |
882 | if (clen == (STRLEN)-1) |
1100 | if (clen == (STRLEN)-1) |
883 | ERR ("malformed UTF-8 character in JSON string"); |
1101 | ERR ("malformed UTF-8 character in JSON string"); |
884 | |
1102 | |
885 | do |
1103 | do |
886 | *cur++ = *dec_cur++; |
1104 | *cur++ = *dec_cur++; |
… | |
… | |
903 | { |
1121 | { |
904 | STRLEN len = cur - buf; |
1122 | STRLEN len = cur - buf; |
905 | |
1123 | |
906 | if (sv) |
1124 | if (sv) |
907 | { |
1125 | { |
908 | SvGROW (sv, SvCUR (sv) + len + 1); |
1126 | STRLEN cur = SvCUR (sv); |
|
|
1127 | |
|
|
1128 | if (SvLEN (sv) <= cur + len) |
|
|
1129 | SvGROW (sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
|
|
1130 | |
909 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
1131 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
910 | SvCUR_set (sv, SvCUR (sv) + len); |
1132 | SvCUR_set (sv, SvCUR (sv) + len); |
911 | } |
1133 | } |
912 | else |
1134 | else |
913 | sv = newSVpvn (buf, len); |
1135 | sv = newSVpvn (buf, len); |
… | |
… | |
1000 | |
1222 | |
1001 | if (!is_nv) |
1223 | if (!is_nv) |
1002 | { |
1224 | { |
1003 | int len = dec->cur - start; |
1225 | int len = dec->cur - start; |
1004 | |
1226 | |
1005 | // special case the rather common 1..4-digit-int case, assumes 32 bit ints or so |
1227 | // special case the rather common 1..5-digit-int case |
1006 | if (*start == '-') |
1228 | if (*start == '-') |
1007 | switch (len) |
1229 | switch (len) |
1008 | { |
1230 | { |
1009 | case 2: return newSViv (-( start [1] - '0' * 1)); |
1231 | case 2: return newSViv (-(IV)( start [1] - '0' * 1)); |
1010 | case 3: return newSViv (-( start [1] * 10 + start [2] - '0' * 11)); |
1232 | case 3: return newSViv (-(IV)( start [1] * 10 + start [2] - '0' * 11)); |
1011 | case 4: return newSViv (-( start [1] * 100 + start [2] * 10 + start [3] - '0' * 111)); |
1233 | case 4: return newSViv (-(IV)( start [1] * 100 + start [2] * 10 + start [3] - '0' * 111)); |
1012 | case 5: return newSViv (-(start [1] * 1000 + start [2] * 100 + start [3] * 10 + start [4] - '0' * 1111)); |
1234 | case 5: return newSViv (-(IV)( start [1] * 1000 + start [2] * 100 + start [3] * 10 + start [4] - '0' * 1111)); |
|
|
1235 | case 6: return newSViv (-(IV)(start [1] * 10000 + start [2] * 1000 + start [3] * 100 + start [4] * 10 + start [5] - '0' * 11111)); |
1013 | } |
1236 | } |
1014 | else |
1237 | else |
1015 | switch (len) |
1238 | switch (len) |
1016 | { |
1239 | { |
1017 | case 1: return newSViv ( start [0] - '0' * 1); |
1240 | case 1: return newSViv ( start [0] - '0' * 1); |
1018 | case 2: return newSViv ( start [0] * 10 + start [1] - '0' * 11); |
1241 | case 2: return newSViv ( start [0] * 10 + start [1] - '0' * 11); |
1019 | case 3: return newSViv ( start [0] * 100 + start [1] * 10 + start [2] - '0' * 111); |
1242 | case 3: return newSViv ( start [0] * 100 + start [1] * 10 + start [2] - '0' * 111); |
1020 | case 4: return newSViv ( start [0] * 1000 + start [1] * 100 + start [2] * 10 + start [3] - '0' * 1111); |
1243 | case 4: return newSViv ( start [0] * 1000 + start [1] * 100 + start [2] * 10 + start [3] - '0' * 1111); |
|
|
1244 | case 5: return newSViv ( start [0] * 10000 + start [1] * 1000 + start [2] * 100 + start [3] * 10 + start [4] - '0' * 11111); |
1021 | } |
1245 | } |
1022 | |
1246 | |
1023 | { |
1247 | { |
1024 | UV uv; |
1248 | UV uv; |
1025 | int numtype = grok_number (start, len, &uv); |
1249 | int numtype = grok_number (start, len, &uv); |
… | |
… | |
1034 | } |
1258 | } |
1035 | |
1259 | |
1036 | len -= *start == '-' ? 1 : 0; |
1260 | len -= *start == '-' ? 1 : 0; |
1037 | |
1261 | |
1038 | // does not fit into IV or UV, try NV |
1262 | // does not fit into IV or UV, try NV |
1039 | if ((sizeof (NV) == sizeof (double) && DBL_DIG >= len) |
1263 | if (len <= NV_DIG) |
1040 | #if defined (LDBL_DIG) |
|
|
1041 | || (sizeof (NV) == sizeof (long double) && LDBL_DIG >= len) |
|
|
1042 | #endif |
|
|
1043 | ) |
|
|
1044 | // fits into NV without loss of precision |
1264 | // fits into NV without loss of precision |
1045 | return newSVnv (Atof (start)); |
1265 | return newSVnv (json_atof (start)); |
1046 | |
1266 | |
1047 | // everything else fails, convert it to a string |
1267 | // everything else fails, convert it to a string |
1048 | return newSVpvn (start, dec->cur - start); |
1268 | return newSVpvn (start, dec->cur - start); |
1049 | } |
1269 | } |
1050 | |
1270 | |
1051 | // loss of precision here |
1271 | // loss of precision here |
1052 | return newSVnv (Atof (start)); |
1272 | return newSVnv (json_atof (start)); |
1053 | |
1273 | |
1054 | fail: |
1274 | fail: |
1055 | return 0; |
1275 | return 0; |
1056 | } |
1276 | } |
1057 | |
1277 | |
… | |
… | |
1081 | if (*dec->cur == ']') |
1301 | if (*dec->cur == ']') |
1082 | { |
1302 | { |
1083 | ++dec->cur; |
1303 | ++dec->cur; |
1084 | break; |
1304 | break; |
1085 | } |
1305 | } |
1086 | |
1306 | |
1087 | if (*dec->cur != ',') |
1307 | if (*dec->cur != ',') |
1088 | ERR (", or ] expected while parsing array"); |
1308 | ERR (", or ] expected while parsing array"); |
1089 | |
1309 | |
1090 | ++dec->cur; |
1310 | ++dec->cur; |
1091 | |
1311 | |
… | |
… | |
1133 | char *p = dec->cur; |
1353 | char *p = dec->cur; |
1134 | char *e = p + 24; // only try up to 24 bytes |
1354 | char *e = p + 24; // only try up to 24 bytes |
1135 | |
1355 | |
1136 | for (;;) |
1356 | for (;;) |
1137 | { |
1357 | { |
1138 | // the >= 0x80 is true on most architectures |
1358 | // the >= 0x80 is false on most architectures |
1139 | if (p == e || *p < 0x20 || *p >= 0x80 || *p == '\\') |
1359 | if (p == e || *p < 0x20 || *p >= 0x80 || *p == '\\') |
1140 | { |
1360 | { |
1141 | // slow path, back up and use decode_str |
1361 | // slow path, back up and use decode_str |
1142 | SV *key = decode_str (dec); |
1362 | SV *key = decode_str (dec); |
1143 | if (!key) |
1363 | if (!key) |
… | |
… | |
1226 | dSP; |
1446 | dSP; |
1227 | int count; |
1447 | int count; |
1228 | |
1448 | |
1229 | ENTER; SAVETMPS; PUSHMARK (SP); |
1449 | ENTER; SAVETMPS; PUSHMARK (SP); |
1230 | XPUSHs (HeVAL (he)); |
1450 | XPUSHs (HeVAL (he)); |
|
|
1451 | sv_2mortal (sv); |
1231 | |
1452 | |
1232 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1453 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1233 | |
1454 | |
1234 | if (count == 1) |
1455 | if (count == 1) |
1235 | { |
1456 | { |
1236 | sv = newSVsv (POPs); |
1457 | sv = newSVsv (POPs); |
1237 | FREETMPS; LEAVE; |
1458 | FREETMPS; LEAVE; |
1238 | return sv; |
1459 | return sv; |
1239 | } |
1460 | } |
1240 | |
1461 | |
|
|
1462 | SvREFCNT_inc (sv); |
1241 | FREETMPS; LEAVE; |
1463 | FREETMPS; LEAVE; |
1242 | } |
1464 | } |
1243 | } |
1465 | } |
1244 | |
1466 | |
1245 | if (dec->json.cb_object) |
1467 | if (dec->json.cb_object) |
… | |
… | |
1271 | DEC_DEC_DEPTH; |
1493 | DEC_DEC_DEPTH; |
1272 | return 0; |
1494 | return 0; |
1273 | } |
1495 | } |
1274 | |
1496 | |
1275 | static SV * |
1497 | static SV * |
|
|
1498 | decode_tag (dec_t *dec) |
|
|
1499 | { |
|
|
1500 | SV *tag = 0; |
|
|
1501 | SV *val = 0; |
|
|
1502 | |
|
|
1503 | if (!(dec->json.flags & F_ALLOW_TAGS)) |
|
|
1504 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
|
|
1505 | |
|
|
1506 | ++dec->cur; |
|
|
1507 | |
|
|
1508 | decode_ws (dec); |
|
|
1509 | |
|
|
1510 | tag = decode_sv (dec); |
|
|
1511 | if (!tag) |
|
|
1512 | goto fail; |
|
|
1513 | |
|
|
1514 | if (!SvPOK (tag)) |
|
|
1515 | ERR ("malformed JSON string, (tag) must be a string"); |
|
|
1516 | |
|
|
1517 | decode_ws (dec); |
|
|
1518 | |
|
|
1519 | if (*dec->cur != ')') |
|
|
1520 | ERR (") expected after tag"); |
|
|
1521 | |
|
|
1522 | ++dec->cur; |
|
|
1523 | |
|
|
1524 | decode_ws (dec); |
|
|
1525 | |
|
|
1526 | val = decode_sv (dec); |
|
|
1527 | if (!val) |
|
|
1528 | goto fail; |
|
|
1529 | |
|
|
1530 | if (!SvROK (val) || SvTYPE (SvRV (val)) != SVt_PVAV) |
|
|
1531 | ERR ("malformed JSON string, tag value must be an array"); |
|
|
1532 | |
|
|
1533 | { |
|
|
1534 | AV *av = (AV *)SvRV (val); |
|
|
1535 | int i, len = av_len (av) + 1; |
|
|
1536 | HV *stash = gv_stashsv (tag, 0); |
|
|
1537 | SV *sv; |
|
|
1538 | |
|
|
1539 | if (!stash) |
|
|
1540 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
1541 | |
|
|
1542 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
1543 | |
|
|
1544 | if (!method) |
|
|
1545 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
1546 | |
|
|
1547 | dSP; |
|
|
1548 | |
|
|
1549 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
1550 | EXTEND (SP, len + 2); |
|
|
1551 | // we re-bless the reference to get overload and other niceties right |
|
|
1552 | PUSHs (tag); |
|
|
1553 | PUSHs (sv_json); |
|
|
1554 | |
|
|
1555 | for (i = 0; i < len; ++i) |
|
|
1556 | PUSHs (*av_fetch (av, i, 1)); |
|
|
1557 | |
|
|
1558 | PUTBACK; |
|
|
1559 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
1560 | SPAGAIN; |
|
|
1561 | |
|
|
1562 | SvREFCNT_dec (tag); |
|
|
1563 | SvREFCNT_dec (val); |
|
|
1564 | sv = SvREFCNT_inc (POPs); |
|
|
1565 | |
|
|
1566 | PUTBACK; |
|
|
1567 | |
|
|
1568 | FREETMPS; LEAVE; |
|
|
1569 | |
|
|
1570 | return sv; |
|
|
1571 | } |
|
|
1572 | |
|
|
1573 | fail: |
|
|
1574 | SvREFCNT_dec (tag); |
|
|
1575 | SvREFCNT_dec (val); |
|
|
1576 | return 0; |
|
|
1577 | } |
|
|
1578 | |
|
|
1579 | static SV * |
1276 | decode_sv (dec_t *dec) |
1580 | decode_sv (dec_t *dec) |
1277 | { |
1581 | { |
1278 | // the beauty of JSON: you need exactly one character lookahead |
1582 | // the beauty of JSON: you need exactly one character lookahead |
1279 | // to parse anything. |
1583 | // to parse everything. |
1280 | switch (*dec->cur) |
1584 | switch (*dec->cur) |
1281 | { |
1585 | { |
1282 | case '"': ++dec->cur; return decode_str (dec); |
1586 | case '"': ++dec->cur; return decode_str (dec); |
1283 | case '[': ++dec->cur; return decode_av (dec); |
1587 | case '[': ++dec->cur; return decode_av (dec); |
1284 | case '{': ++dec->cur; return decode_hv (dec); |
1588 | case '{': ++dec->cur; return decode_hv (dec); |
|
|
1589 | case '(': return decode_tag (dec); |
1285 | |
1590 | |
1286 | case '-': |
1591 | case '-': |
1287 | case '0': case '1': case '2': case '3': case '4': |
1592 | case '0': case '1': case '2': case '3': case '4': |
1288 | case '5': case '6': case '7': case '8': case '9': |
1593 | case '5': case '6': case '7': case '8': case '9': |
1289 | return decode_num (dec); |
1594 | return decode_num (dec); |
… | |
… | |
1291 | case 't': |
1596 | case 't': |
1292 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1597 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1293 | { |
1598 | { |
1294 | dec->cur += 4; |
1599 | dec->cur += 4; |
1295 | #if JSON_SLOW |
1600 | #if JSON_SLOW |
1296 | json_true = get_sv ("JSON::XS::true", 1); SvREADONLY_on (json_true); |
1601 | types_true = get_bool ("Types::Serialiser::true"); |
1297 | #endif |
1602 | #endif |
1298 | return SvREFCNT_inc (json_true); |
1603 | return newSVsv (types_true); |
1299 | } |
1604 | } |
1300 | else |
1605 | else |
1301 | ERR ("'true' expected"); |
1606 | ERR ("'true' expected"); |
1302 | |
1607 | |
1303 | break; |
1608 | break; |
… | |
… | |
1305 | case 'f': |
1610 | case 'f': |
1306 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1611 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1307 | { |
1612 | { |
1308 | dec->cur += 5; |
1613 | dec->cur += 5; |
1309 | #if JSON_SLOW |
1614 | #if JSON_SLOW |
1310 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1615 | types_false = get_bool ("Types::Serialiser::false"); |
1311 | #endif |
1616 | #endif |
1312 | return SvREFCNT_inc (json_false); |
1617 | return newSVsv (types_false); |
1313 | } |
1618 | } |
1314 | else |
1619 | else |
1315 | ERR ("'false' expected"); |
1620 | ERR ("'false' expected"); |
1316 | |
1621 | |
1317 | break; |
1622 | break; |
… | |
… | |
1326 | ERR ("'null' expected"); |
1631 | ERR ("'null' expected"); |
1327 | |
1632 | |
1328 | break; |
1633 | break; |
1329 | |
1634 | |
1330 | default: |
1635 | default: |
1331 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
1636 | ERR ("malformed JSON string, neither tag, array, object, number, string or atom"); |
1332 | break; |
1637 | break; |
1333 | } |
1638 | } |
1334 | |
1639 | |
1335 | fail: |
1640 | fail: |
1336 | return 0; |
1641 | return 0; |
1337 | } |
1642 | } |
1338 | |
1643 | |
1339 | static SV * |
1644 | static SV * |
1340 | decode_json (SV *string, JSON *json, UV *offset_return) |
1645 | decode_json (SV *string, JSON *json, char **offset_return) |
1341 | { |
1646 | { |
1342 | dec_t dec; |
1647 | dec_t dec; |
1343 | UV offset; |
|
|
1344 | SV *sv; |
1648 | SV *sv; |
1345 | |
1649 | |
|
|
1650 | /* work around bugs in 5.10 where manipulating magic values |
|
|
1651 | * makes perl ignore the magic in subsequent accesses. |
|
|
1652 | * also make a copy of non-PV values, to get them into a clean |
|
|
1653 | * state (SvPV should do that, but it's buggy, see below). |
|
|
1654 | */ |
1346 | SvGETMAGIC (string); |
1655 | /*SvGETMAGIC (string);*/ |
|
|
1656 | if (SvMAGICAL (string) || !SvPOK (string)) |
|
|
1657 | string = sv_2mortal (newSVsv (string)); |
|
|
1658 | |
1347 | SvUPGRADE (string, SVt_PV); |
1659 | SvUPGRADE (string, SVt_PV); |
1348 | |
1660 | |
1349 | if (json->flags & F_MAXSIZE && SvCUR (string) > DEC_SIZE (json->flags)) |
1661 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
|
|
1662 | * assertion with -DDEBUGGING, although SvCUR is documented to |
|
|
1663 | * return the xpv_cur field which certainly exists after upgrading. |
|
|
1664 | * according to nicholas clark, calling SvPOK fixes this. |
|
|
1665 | * But it doesn't fix it, so try another workaround, call SvPV_nolen |
|
|
1666 | * and hope for the best. |
|
|
1667 | * Damnit, SvPV_nolen still trips over yet another assertion. This |
|
|
1668 | * assertion business is seriously broken, try yet another workaround |
|
|
1669 | * for the broken -DDEBUGGING. |
|
|
1670 | */ |
|
|
1671 | { |
|
|
1672 | #ifdef DEBUGGING |
|
|
1673 | STRLEN offset = SvOK (string) ? sv_len (string) : 0; |
|
|
1674 | #else |
|
|
1675 | STRLEN offset = SvCUR (string); |
|
|
1676 | #endif |
|
|
1677 | |
|
|
1678 | if (offset > json->max_size && json->max_size) |
1350 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1679 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1351 | (unsigned long)SvCUR (string), (unsigned long)DEC_SIZE (json->flags)); |
1680 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
|
|
1681 | } |
1352 | |
1682 | |
1353 | if (json->flags & F_UTF8) |
1683 | if (DECODE_WANTS_OCTETS (json)) |
1354 | sv_utf8_downgrade (string, 0); |
1684 | sv_utf8_downgrade (string, 0); |
1355 | else |
1685 | else |
1356 | sv_utf8_upgrade (string); |
1686 | sv_utf8_upgrade (string); |
1357 | |
1687 | |
1358 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1688 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1359 | |
1689 | |
1360 | dec.json = *json; |
1690 | dec.json = *json; |
1361 | dec.cur = SvPVX (string); |
1691 | dec.cur = SvPVX (string); |
1362 | dec.end = SvEND (string); |
1692 | dec.end = SvEND (string); |
1363 | dec.err = 0; |
1693 | dec.err = 0; |
1364 | dec.depth = 0; |
1694 | dec.depth = 0; |
1365 | dec.maxdepth = DEC_DEPTH (dec.json.flags); |
|
|
1366 | |
1695 | |
1367 | if (dec.json.cb_object || dec.json.cb_sk_object) |
1696 | if (dec.json.cb_object || dec.json.cb_sk_object) |
1368 | dec.json.flags |= F_HOOK; |
1697 | dec.json.flags |= F_HOOK; |
1369 | |
1698 | |
1370 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
1699 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
1371 | |
1700 | |
1372 | decode_ws (&dec); |
1701 | decode_ws (&dec); |
1373 | sv = decode_sv (&dec); |
1702 | sv = decode_sv (&dec); |
|
|
1703 | |
|
|
1704 | if (offset_return) |
|
|
1705 | *offset_return = dec.cur; |
1374 | |
1706 | |
1375 | if (!(offset_return || !sv)) |
1707 | if (!(offset_return || !sv)) |
1376 | { |
1708 | { |
1377 | // check for trailing garbage |
1709 | // check for trailing garbage |
1378 | decode_ws (&dec); |
1710 | decode_ws (&dec); |
… | |
… | |
1381 | { |
1713 | { |
1382 | dec.err = "garbage after JSON object"; |
1714 | dec.err = "garbage after JSON object"; |
1383 | SvREFCNT_dec (sv); |
1715 | SvREFCNT_dec (sv); |
1384 | sv = 0; |
1716 | sv = 0; |
1385 | } |
1717 | } |
1386 | } |
|
|
1387 | |
|
|
1388 | if (offset_return || !sv) |
|
|
1389 | { |
|
|
1390 | offset = dec.json.flags & F_UTF8 |
|
|
1391 | ? dec.cur - SvPVX (string) |
|
|
1392 | : utf8_distance (dec.cur, SvPVX (string)); |
|
|
1393 | |
|
|
1394 | if (offset_return) |
|
|
1395 | *offset_return = offset; |
|
|
1396 | } |
1718 | } |
1397 | |
1719 | |
1398 | if (!sv) |
1720 | if (!sv) |
1399 | { |
1721 | { |
1400 | SV *uni = sv_newmortal (); |
1722 | SV *uni = sv_newmortal (); |
… | |
… | |
1406 | SAVEVPTR (PL_curcop); |
1728 | SAVEVPTR (PL_curcop); |
1407 | PL_curcop = &cop; |
1729 | PL_curcop = &cop; |
1408 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1730 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1409 | LEAVE; |
1731 | LEAVE; |
1410 | |
1732 | |
1411 | croak ("%s, at character offset %d [\"%s\"]", |
1733 | croak ("%s, at character offset %d (before \"%s\")", |
1412 | dec.err, |
1734 | dec.err, |
1413 | (int)offset, |
1735 | (int)ptr_to_index (string, dec.cur), |
1414 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1736 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1415 | } |
1737 | } |
1416 | |
1738 | |
1417 | sv = sv_2mortal (sv); |
1739 | sv = sv_2mortal (sv); |
1418 | |
1740 | |
1419 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1741 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1420 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1742 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1421 | |
1743 | |
1422 | return sv; |
1744 | return sv; |
|
|
1745 | } |
|
|
1746 | |
|
|
1747 | ///////////////////////////////////////////////////////////////////////////// |
|
|
1748 | // incremental parser |
|
|
1749 | |
|
|
1750 | static void |
|
|
1751 | incr_parse (JSON *self) |
|
|
1752 | { |
|
|
1753 | const char *p = SvPVX (self->incr_text) + self->incr_pos; |
|
|
1754 | |
|
|
1755 | // the state machine here is a bit convoluted and could be simplified a lot |
|
|
1756 | // but this would make it slower, so... |
|
|
1757 | |
|
|
1758 | for (;;) |
|
|
1759 | { |
|
|
1760 | //printf ("loop pod %d *p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), *p, p, self->incr_mode, self->incr_nest);//D |
|
|
1761 | switch (self->incr_mode) |
|
|
1762 | { |
|
|
1763 | // only used for initial whitespace skipping |
|
|
1764 | case INCR_M_WS: |
|
|
1765 | for (;;) |
|
|
1766 | { |
|
|
1767 | if (*p > 0x20) |
|
|
1768 | { |
|
|
1769 | if (*p == '#') |
|
|
1770 | { |
|
|
1771 | self->incr_mode = INCR_M_C0; |
|
|
1772 | goto incr_m_c; |
|
|
1773 | } |
|
|
1774 | else |
|
|
1775 | { |
|
|
1776 | self->incr_mode = INCR_M_JSON; |
|
|
1777 | goto incr_m_json; |
|
|
1778 | } |
|
|
1779 | } |
|
|
1780 | else if (!*p) |
|
|
1781 | goto interrupt; |
|
|
1782 | |
|
|
1783 | ++p; |
|
|
1784 | } |
|
|
1785 | |
|
|
1786 | // skip a single char inside a string (for \\-processing) |
|
|
1787 | case INCR_M_BS: |
|
|
1788 | if (!*p) |
|
|
1789 | goto interrupt; |
|
|
1790 | |
|
|
1791 | ++p; |
|
|
1792 | self->incr_mode = INCR_M_STR; |
|
|
1793 | goto incr_m_str; |
|
|
1794 | |
|
|
1795 | // inside #-style comments |
|
|
1796 | case INCR_M_C0: |
|
|
1797 | case INCR_M_C1: |
|
|
1798 | incr_m_c: |
|
|
1799 | for (;;) |
|
|
1800 | { |
|
|
1801 | if (*p == '\n') |
|
|
1802 | { |
|
|
1803 | self->incr_mode = self->incr_mode == INCR_M_C0 ? INCR_M_WS : INCR_M_JSON; |
|
|
1804 | break; |
|
|
1805 | } |
|
|
1806 | else if (!*p) |
|
|
1807 | goto interrupt; |
|
|
1808 | |
|
|
1809 | ++p; |
|
|
1810 | } |
|
|
1811 | |
|
|
1812 | break; |
|
|
1813 | |
|
|
1814 | // inside a string |
|
|
1815 | case INCR_M_STR: |
|
|
1816 | incr_m_str: |
|
|
1817 | for (;;) |
|
|
1818 | { |
|
|
1819 | if (*p == '"') |
|
|
1820 | { |
|
|
1821 | ++p; |
|
|
1822 | self->incr_mode = INCR_M_JSON; |
|
|
1823 | |
|
|
1824 | if (!self->incr_nest) |
|
|
1825 | goto interrupt; |
|
|
1826 | |
|
|
1827 | goto incr_m_json; |
|
|
1828 | } |
|
|
1829 | else if (*p == '\\') |
|
|
1830 | { |
|
|
1831 | ++p; // "virtually" consumes character after \ |
|
|
1832 | |
|
|
1833 | if (!*p) // if at end of string we have to switch modes |
|
|
1834 | { |
|
|
1835 | self->incr_mode = INCR_M_BS; |
|
|
1836 | goto interrupt; |
|
|
1837 | } |
|
|
1838 | } |
|
|
1839 | else if (!*p) |
|
|
1840 | goto interrupt; |
|
|
1841 | |
|
|
1842 | ++p; |
|
|
1843 | } |
|
|
1844 | |
|
|
1845 | // after initial ws, outside string |
|
|
1846 | case INCR_M_JSON: |
|
|
1847 | incr_m_json: |
|
|
1848 | for (;;) |
|
|
1849 | { |
|
|
1850 | switch (*p++) |
|
|
1851 | { |
|
|
1852 | case 0: |
|
|
1853 | --p; |
|
|
1854 | goto interrupt; |
|
|
1855 | |
|
|
1856 | case 0x09: |
|
|
1857 | case 0x0a: |
|
|
1858 | case 0x0d: |
|
|
1859 | case 0x20: |
|
|
1860 | if (!self->incr_nest) |
|
|
1861 | { |
|
|
1862 | --p; // do not eat the whitespace, let the next round do it |
|
|
1863 | goto interrupt; |
|
|
1864 | } |
|
|
1865 | break; |
|
|
1866 | |
|
|
1867 | case '"': |
|
|
1868 | self->incr_mode = INCR_M_STR; |
|
|
1869 | goto incr_m_str; |
|
|
1870 | |
|
|
1871 | case '[': |
|
|
1872 | case '{': |
|
|
1873 | case '(': |
|
|
1874 | if (++self->incr_nest > self->max_depth) |
|
|
1875 | croak (ERR_NESTING_EXCEEDED); |
|
|
1876 | break; |
|
|
1877 | |
|
|
1878 | case ']': |
|
|
1879 | case '}': |
|
|
1880 | if (--self->incr_nest <= 0) |
|
|
1881 | goto interrupt; |
|
|
1882 | break; |
|
|
1883 | |
|
|
1884 | case ')': |
|
|
1885 | --self->incr_nest; |
|
|
1886 | break; |
|
|
1887 | |
|
|
1888 | case '#': |
|
|
1889 | self->incr_mode = INCR_M_C1; |
|
|
1890 | goto incr_m_c; |
|
|
1891 | } |
|
|
1892 | } |
|
|
1893 | } |
|
|
1894 | |
|
|
1895 | modechange: |
|
|
1896 | ; |
|
|
1897 | } |
|
|
1898 | |
|
|
1899 | interrupt: |
|
|
1900 | self->incr_pos = p - SvPVX (self->incr_text); |
|
|
1901 | //printf ("interrupt<%.*s>\n", self->incr_pos, SvPVX(self->incr_text));//D |
|
|
1902 | //printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D |
1423 | } |
1903 | } |
1424 | |
1904 | |
1425 | ///////////////////////////////////////////////////////////////////////////// |
1905 | ///////////////////////////////////////////////////////////////////////////// |
1426 | // XS interface functions |
1906 | // XS interface functions |
1427 | |
1907 | |
… | |
… | |
1436 | i >= '0' && i <= '9' ? i - '0' |
1916 | i >= '0' && i <= '9' ? i - '0' |
1437 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1917 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1438 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1918 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1439 | : -1; |
1919 | : -1; |
1440 | |
1920 | |
1441 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1921 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1442 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
1922 | types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
1443 | |
1923 | |
1444 | json_true = get_sv ("JSON::XS::true" , 1); SvREADONLY_on (json_true ); |
1924 | types_true = get_bool ("Types::Serialiser::true"); |
1445 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1925 | types_false = get_bool ("Types::Serialiser::false"); |
|
|
1926 | |
|
|
1927 | sv_json = newSVpv ("JSON", 0); |
|
|
1928 | SvREADONLY_on (sv_json); |
|
|
1929 | |
|
|
1930 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
1446 | } |
1931 | } |
1447 | |
1932 | |
1448 | PROTOTYPES: DISABLE |
1933 | PROTOTYPES: DISABLE |
1449 | |
1934 | |
1450 | void CLONE (...) |
1935 | void CLONE (...) |
1451 | CODE: |
1936 | CODE: |
1452 | json_stash = 0; |
1937 | json_stash = 0; |
1453 | json_boolean_stash = 0; |
1938 | types_boolean_stash = 0; |
1454 | |
1939 | |
1455 | void new (char *klass) |
1940 | void new (char *klass) |
1456 | PPCODE: |
1941 | PPCODE: |
1457 | { |
1942 | { |
1458 | SV *pv = NEWSV (0, sizeof (JSON)); |
1943 | SV *pv = NEWSV (0, sizeof (JSON)); |
1459 | SvPOK_only (pv); |
1944 | SvPOK_only (pv); |
1460 | Zero (SvPVX (pv), 1, JSON); |
1945 | json_init ((JSON *)SvPVX (pv)); |
1461 | ((JSON *)SvPVX (pv))->flags = F_DEFAULT; |
1946 | XPUSHs (sv_2mortal (sv_bless ( |
1462 | XPUSHs (sv_2mortal (sv_bless (newRV_noinc (pv), JSON_STASH))); |
1947 | newRV_noinc (pv), |
|
|
1948 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
|
|
1949 | ))); |
1463 | } |
1950 | } |
1464 | |
1951 | |
1465 | void ascii (JSON *self, int enable = 1) |
1952 | void ascii (JSON *self, int enable = 1) |
1466 | ALIAS: |
1953 | ALIAS: |
1467 | ascii = F_ASCII |
1954 | ascii = F_ASCII |
… | |
… | |
1475 | allow_nonref = F_ALLOW_NONREF |
1962 | allow_nonref = F_ALLOW_NONREF |
1476 | shrink = F_SHRINK |
1963 | shrink = F_SHRINK |
1477 | allow_blessed = F_ALLOW_BLESSED |
1964 | allow_blessed = F_ALLOW_BLESSED |
1478 | convert_blessed = F_CONV_BLESSED |
1965 | convert_blessed = F_CONV_BLESSED |
1479 | relaxed = F_RELAXED |
1966 | relaxed = F_RELAXED |
|
|
1967 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
1968 | allow_tags = F_ALLOW_TAGS |
1480 | PPCODE: |
1969 | PPCODE: |
1481 | { |
1970 | { |
1482 | if (enable) |
1971 | if (enable) |
1483 | self->flags |= ix; |
1972 | self->flags |= ix; |
1484 | else |
1973 | else |
1485 | self->flags &= ~ix; |
1974 | self->flags &= ~ix; |
1486 | |
1975 | |
1487 | XPUSHs (ST (0)); |
1976 | XPUSHs (ST (0)); |
1488 | } |
1977 | } |
1489 | |
1978 | |
1490 | void max_depth (JSON *self, UV max_depth = 0x80000000UL) |
1979 | void get_ascii (JSON *self) |
|
|
1980 | ALIAS: |
|
|
1981 | get_ascii = F_ASCII |
|
|
1982 | get_latin1 = F_LATIN1 |
|
|
1983 | get_utf8 = F_UTF8 |
|
|
1984 | get_indent = F_INDENT |
|
|
1985 | get_canonical = F_CANONICAL |
|
|
1986 | get_space_before = F_SPACE_BEFORE |
|
|
1987 | get_space_after = F_SPACE_AFTER |
|
|
1988 | get_allow_nonref = F_ALLOW_NONREF |
|
|
1989 | get_shrink = F_SHRINK |
|
|
1990 | get_allow_blessed = F_ALLOW_BLESSED |
|
|
1991 | get_convert_blessed = F_CONV_BLESSED |
|
|
1992 | get_relaxed = F_RELAXED |
|
|
1993 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
1994 | get_allow_tags = F_ALLOW_TAGS |
1491 | PPCODE: |
1995 | PPCODE: |
1492 | { |
1996 | XPUSHs (boolSV (self->flags & ix)); |
1493 | UV log2 = 0; |
|
|
1494 | |
1997 | |
1495 | if (max_depth > 0x80000000UL) max_depth = 0x80000000UL; |
1998 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
1496 | |
1999 | PPCODE: |
1497 | while ((1UL << log2) < max_depth) |
2000 | self->max_depth = max_depth; |
1498 | ++log2; |
|
|
1499 | |
|
|
1500 | self->flags = self->flags & ~F_MAXDEPTH | (log2 << S_MAXDEPTH); |
|
|
1501 | |
|
|
1502 | XPUSHs (ST (0)); |
2001 | XPUSHs (ST (0)); |
1503 | } |
|
|
1504 | |
2002 | |
|
|
2003 | U32 get_max_depth (JSON *self) |
|
|
2004 | CODE: |
|
|
2005 | RETVAL = self->max_depth; |
|
|
2006 | OUTPUT: |
|
|
2007 | RETVAL |
|
|
2008 | |
1505 | void max_size (JSON *self, UV max_size = 0) |
2009 | void max_size (JSON *self, U32 max_size = 0) |
1506 | PPCODE: |
2010 | PPCODE: |
1507 | { |
2011 | self->max_size = max_size; |
1508 | UV log2 = 0; |
|
|
1509 | |
|
|
1510 | if (max_size > 0x80000000UL) max_size = 0x80000000UL; |
|
|
1511 | if (max_size == 1) max_size = 2; |
|
|
1512 | |
|
|
1513 | while ((1UL << log2) < max_size) |
|
|
1514 | ++log2; |
|
|
1515 | |
|
|
1516 | self->flags = self->flags & ~F_MAXSIZE | (log2 << S_MAXSIZE); |
|
|
1517 | |
|
|
1518 | XPUSHs (ST (0)); |
2012 | XPUSHs (ST (0)); |
1519 | } |
2013 | |
|
|
2014 | int get_max_size (JSON *self) |
|
|
2015 | CODE: |
|
|
2016 | RETVAL = self->max_size; |
|
|
2017 | OUTPUT: |
|
|
2018 | RETVAL |
1520 | |
2019 | |
1521 | void filter_json_object (JSON *self, SV *cb = &PL_sv_undef) |
2020 | void filter_json_object (JSON *self, SV *cb = &PL_sv_undef) |
1522 | PPCODE: |
2021 | PPCODE: |
1523 | { |
2022 | { |
1524 | SvREFCNT_dec (self->cb_object); |
2023 | SvREFCNT_dec (self->cb_object); |
… | |
… | |
1528 | } |
2027 | } |
1529 | |
2028 | |
1530 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
2029 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
1531 | PPCODE: |
2030 | PPCODE: |
1532 | { |
2031 | { |
1533 | if (!self->cb_sk_object) |
2032 | if (!self->cb_sk_object) |
1534 | self->cb_sk_object = newHV (); |
2033 | self->cb_sk_object = newHV (); |
1535 | |
2034 | |
1536 | if (SvOK (cb)) |
2035 | if (SvOK (cb)) |
1537 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
2036 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
1538 | else |
2037 | else |
… | |
… | |
1549 | XPUSHs (ST (0)); |
2048 | XPUSHs (ST (0)); |
1550 | } |
2049 | } |
1551 | |
2050 | |
1552 | void encode (JSON *self, SV *scalar) |
2051 | void encode (JSON *self, SV *scalar) |
1553 | PPCODE: |
2052 | PPCODE: |
1554 | XPUSHs (encode_json (scalar, self)); |
2053 | PUTBACK; scalar = encode_json (scalar, self); SPAGAIN; |
|
|
2054 | XPUSHs (scalar); |
1555 | |
2055 | |
1556 | void decode (JSON *self, SV *jsonstr) |
2056 | void decode (JSON *self, SV *jsonstr) |
1557 | PPCODE: |
2057 | PPCODE: |
1558 | XPUSHs (decode_json (jsonstr, self, 0)); |
2058 | PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN; |
|
|
2059 | XPUSHs (jsonstr); |
1559 | |
2060 | |
1560 | void decode_prefix (JSON *self, SV *jsonstr) |
2061 | void decode_prefix (JSON *self, SV *jsonstr) |
1561 | PPCODE: |
2062 | PPCODE: |
1562 | { |
2063 | { |
1563 | UV offset; |
2064 | SV *sv; |
|
|
2065 | char *offset; |
|
|
2066 | PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN; |
1564 | EXTEND (SP, 2); |
2067 | EXTEND (SP, 2); |
1565 | PUSHs (decode_json (jsonstr, self, &offset)); |
2068 | PUSHs (sv); |
1566 | PUSHs (sv_2mortal (newSVuv (offset))); |
2069 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
|
|
2070 | } |
|
|
2071 | |
|
|
2072 | void incr_parse (JSON *self, SV *jsonstr = 0) |
|
|
2073 | PPCODE: |
|
|
2074 | { |
|
|
2075 | if (!self->incr_text) |
|
|
2076 | self->incr_text = newSVpvn ("", 0); |
|
|
2077 | |
|
|
2078 | /* if utf8-ness doesn't match the decoder, need to upgrade/downgrade */ |
|
|
2079 | if (!DECODE_WANTS_OCTETS (self) == !SvUTF8 (self->incr_text)) |
|
|
2080 | if (DECODE_WANTS_OCTETS (self)) |
|
|
2081 | { |
|
|
2082 | if (self->incr_pos) |
|
|
2083 | self->incr_pos = utf8_length ((U8 *)SvPVX (self->incr_text), |
|
|
2084 | (U8 *)SvPVX (self->incr_text) + self->incr_pos); |
|
|
2085 | |
|
|
2086 | sv_utf8_downgrade (self->incr_text, 0); |
|
|
2087 | } |
|
|
2088 | else |
|
|
2089 | { |
|
|
2090 | sv_utf8_upgrade (self->incr_text); |
|
|
2091 | |
|
|
2092 | if (self->incr_pos) |
|
|
2093 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
2094 | - (U8 *)SvPVX (self->incr_text); |
|
|
2095 | } |
|
|
2096 | |
|
|
2097 | // append data, if any |
|
|
2098 | if (jsonstr) |
|
|
2099 | { |
|
|
2100 | /* make sure both strings have same encoding */ |
|
|
2101 | if (SvUTF8 (jsonstr) != SvUTF8 (self->incr_text)) |
|
|
2102 | if (SvUTF8 (jsonstr)) |
|
|
2103 | sv_utf8_downgrade (jsonstr, 0); |
|
|
2104 | else |
|
|
2105 | sv_utf8_upgrade (jsonstr); |
|
|
2106 | |
|
|
2107 | /* and then just blindly append */ |
|
|
2108 | { |
|
|
2109 | STRLEN len; |
|
|
2110 | const char *str = SvPV (jsonstr, len); |
|
|
2111 | STRLEN cur = SvCUR (self->incr_text); |
|
|
2112 | |
|
|
2113 | if (SvLEN (self->incr_text) <= cur + len) |
|
|
2114 | SvGROW (self->incr_text, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
|
|
2115 | |
|
|
2116 | Move (str, SvEND (self->incr_text), len, char); |
|
|
2117 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
|
|
2118 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
|
|
2119 | } |
|
|
2120 | } |
|
|
2121 | |
|
|
2122 | if (GIMME_V != G_VOID) |
|
|
2123 | do |
|
|
2124 | { |
|
|
2125 | SV *sv; |
|
|
2126 | char *offset; |
|
|
2127 | |
|
|
2128 | if (!INCR_DONE (self)) |
|
|
2129 | { |
|
|
2130 | incr_parse (self); |
|
|
2131 | |
|
|
2132 | if (self->incr_pos > self->max_size && self->max_size) |
|
|
2133 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
|
|
2134 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
|
|
2135 | |
|
|
2136 | if (!INCR_DONE (self)) |
|
|
2137 | { |
|
|
2138 | // as an optimisation, do not accumulate white space in the incr buffer |
|
|
2139 | if (self->incr_mode == INCR_M_WS && self->incr_pos) |
|
|
2140 | { |
|
|
2141 | self->incr_pos = 0; |
|
|
2142 | SvCUR_set (self->incr_text, 0); |
|
|
2143 | } |
|
|
2144 | |
|
|
2145 | break; |
|
|
2146 | } |
|
|
2147 | } |
|
|
2148 | |
|
|
2149 | PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN; |
|
|
2150 | XPUSHs (sv); |
|
|
2151 | |
|
|
2152 | self->incr_pos -= offset - SvPVX (self->incr_text); |
|
|
2153 | self->incr_nest = 0; |
|
|
2154 | self->incr_mode = 0; |
|
|
2155 | |
|
|
2156 | sv_chop (self->incr_text, offset); |
|
|
2157 | } |
|
|
2158 | while (GIMME_V == G_ARRAY); |
|
|
2159 | } |
|
|
2160 | |
|
|
2161 | SV *incr_text (JSON *self) |
|
|
2162 | ATTRS: lvalue |
|
|
2163 | CODE: |
|
|
2164 | { |
|
|
2165 | if (self->incr_pos) |
|
|
2166 | croak ("incr_text can not be called when the incremental parser already started parsing"); |
|
|
2167 | |
|
|
2168 | RETVAL = self->incr_text ? SvREFCNT_inc (self->incr_text) : &PL_sv_undef; |
|
|
2169 | } |
|
|
2170 | OUTPUT: |
|
|
2171 | RETVAL |
|
|
2172 | |
|
|
2173 | void incr_skip (JSON *self) |
|
|
2174 | CODE: |
|
|
2175 | { |
|
|
2176 | if (self->incr_pos) |
|
|
2177 | { |
|
|
2178 | sv_chop (self->incr_text, SvPV_nolen (self->incr_text) + self->incr_pos); |
|
|
2179 | self->incr_pos = 0; |
|
|
2180 | self->incr_nest = 0; |
|
|
2181 | self->incr_mode = 0; |
|
|
2182 | } |
|
|
2183 | } |
|
|
2184 | |
|
|
2185 | void incr_reset (JSON *self) |
|
|
2186 | CODE: |
|
|
2187 | { |
|
|
2188 | SvREFCNT_dec (self->incr_text); |
|
|
2189 | self->incr_text = 0; |
|
|
2190 | self->incr_pos = 0; |
|
|
2191 | self->incr_nest = 0; |
|
|
2192 | self->incr_mode = 0; |
1567 | } |
2193 | } |
1568 | |
2194 | |
1569 | void DESTROY (JSON *self) |
2195 | void DESTROY (JSON *self) |
1570 | CODE: |
2196 | CODE: |
1571 | SvREFCNT_dec (self->cb_sk_object); |
2197 | SvREFCNT_dec (self->cb_sk_object); |
1572 | SvREFCNT_dec (self->cb_object); |
2198 | SvREFCNT_dec (self->cb_object); |
|
|
2199 | SvREFCNT_dec (self->incr_text); |
1573 | |
2200 | |
1574 | PROTOTYPES: ENABLE |
2201 | PROTOTYPES: ENABLE |
1575 | |
2202 | |
1576 | void to_json (SV *scalar) |
2203 | void encode_json (SV *scalar) |
1577 | PPCODE: |
2204 | PPCODE: |
1578 | { |
2205 | { |
1579 | JSON json = { F_DEFAULT | F_UTF8 }; |
2206 | JSON json; |
1580 | XPUSHs (encode_json (scalar, &json)); |
2207 | json_init (&json); |
|
|
2208 | json.flags |= F_UTF8; |
|
|
2209 | PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN; |
|
|
2210 | XPUSHs (scalar); |
1581 | } |
2211 | } |
1582 | |
2212 | |
1583 | void from_json (SV *jsonstr) |
2213 | void decode_json (SV *jsonstr) |
1584 | PPCODE: |
2214 | PPCODE: |
1585 | { |
2215 | { |
1586 | JSON json = { F_DEFAULT | F_UTF8 }; |
2216 | JSON json; |
1587 | XPUSHs (decode_json (jsonstr, &json, 0)); |
2217 | json_init (&json); |
|
|
2218 | json.flags |= F_UTF8; |
|
|
2219 | PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN; |
|
|
2220 | XPUSHs (jsonstr); |
1588 | } |
2221 | } |
1589 | |
2222 | |