… | |
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6 | #include <string.h> |
6 | #include <string.h> |
7 | #include <stdlib.h> |
7 | #include <stdlib.h> |
8 | #include <stdio.h> |
8 | #include <stdio.h> |
9 | #include <limits.h> |
9 | #include <limits.h> |
10 | #include <float.h> |
10 | #include <float.h> |
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11 | #include <inttypes.h> |
11 | |
12 | |
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13 | #define ECB_NO_THREADS 1 |
12 | #include "ecb.h" |
14 | #include "ecb.h" |
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15 | |
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16 | // compatibility with perl <5.18 |
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17 | #ifndef HvNAMELEN_get |
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18 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
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19 | #endif |
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20 | #ifndef HvNAMELEN |
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21 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
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22 | #endif |
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23 | #ifndef HvNAMEUTF8 |
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24 | # define HvNAMEUTF8(hv) 0 |
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25 | #endif |
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26 | #ifndef SvREFCNT_inc_NN |
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27 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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28 | #endif |
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29 | #ifndef SvREFCNT_dec_NN |
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30 | # define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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31 | #endif |
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32 | |
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33 | // known major and minor types |
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34 | enum cbor_type |
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35 | { |
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36 | MAJOR_SHIFT = 5, |
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37 | MINOR_MASK = 0x1f, |
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38 | |
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39 | MAJOR_POS_INT = 0 << MAJOR_SHIFT, |
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40 | MAJOR_NEG_INT = 1 << MAJOR_SHIFT, |
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41 | MAJOR_BYTES = 2 << MAJOR_SHIFT, |
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42 | MAJOR_TEXT = 3 << MAJOR_SHIFT, |
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43 | MAJOR_ARRAY = 4 << MAJOR_SHIFT, |
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44 | MAJOR_MAP = 5 << MAJOR_SHIFT, |
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45 | MAJOR_TAG = 6 << MAJOR_SHIFT, |
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46 | MAJOR_MISC = 7 << MAJOR_SHIFT, |
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47 | |
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48 | // INT/STRING/ARRAY/MAP subtypes |
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49 | LENGTH_EXT1 = 24, |
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50 | LENGTH_EXT2 = 25, |
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51 | LENGTH_EXT4 = 26, |
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52 | LENGTH_EXT8 = 27, |
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53 | |
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54 | // SIMPLE types (effectively MISC subtypes) |
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55 | SIMPLE_FALSE = 20, |
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56 | SIMPLE_TRUE = 21, |
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57 | SIMPLE_NULL = 22, |
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58 | SIMPLE_UNDEF = 23, |
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59 | |
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60 | // MISC subtype (unused) |
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61 | MISC_EXT1 = 24, |
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62 | MISC_FLOAT16 = 25, |
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63 | MISC_FLOAT32 = 26, |
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64 | MISC_FLOAT64 = 27, |
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65 | |
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66 | // BYTES/TEXT/ARRAY/MAP |
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67 | MINOR_INDEF = 31, |
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68 | }; |
13 | |
69 | |
14 | // known tags |
70 | // known tags |
15 | enum cbor_tag |
71 | enum cbor_tag |
16 | { |
72 | { |
17 | // inofficial extensions (pending iana registration) |
73 | // extensions |
18 | CBOR_TAG_PERL_OBJECT = 256, |
74 | CBOR_TAG_STRINGREF = 25, // http://cbor.schmorp.de/stringref |
19 | CBOR_TAG_GENERIC_OBJECT = 257, |
75 | CBOR_TAG_PERL_OBJECT = 26, // http://cbor.schmorp.de/perl-object |
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76 | CBOR_TAG_GENERIC_OBJECT = 27, // http://cbor.schmorp.de/generic-object |
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77 | CBOR_TAG_VALUE_SHAREABLE = 28, // http://cbor.schmorp.de/value-sharing |
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78 | CBOR_TAG_VALUE_SHAREDREF = 29, // http://cbor.schmorp.de/value-sharing |
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79 | CBOR_TAG_STRINGREF_NAMESPACE = 256, // http://cbor.schmorp.de/stringref |
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80 | CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection |
20 | |
81 | |
21 | // rfc7049 |
82 | // rfc7049 |
22 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
83 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
23 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
84 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
24 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
85 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
25 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
86 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
26 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
87 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
27 | CBOR_TAG_BIGFLOAT = 5, // array |
88 | CBOR_TAG_BIGFLOAT = 5, // array |
28 | |
89 | |
29 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
90 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
30 | CBOR_TAG_CONV_B64 = 22, // base64, any |
91 | CBOR_TAG_CONV_B64 = 22, // base64, any |
31 | CBOR_TAG_CONV_HEX = 23, // base16, any |
92 | CBOR_TAG_CONV_HEX = 23, // base16, any |
32 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
93 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
33 | |
94 | |
34 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
95 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
35 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
96 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
36 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
97 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
37 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
98 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
38 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
99 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
39 | |
100 | |
40 | CBOR_TAG_MAGIC = 55799 // self-describe cbor |
101 | CBOR_TAG_MAGIC = 55799, // self-describe cbor |
41 | }; |
102 | }; |
42 | |
103 | |
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104 | // known forced types, also hardcoded in CBOR.pm |
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105 | enum |
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106 | { |
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107 | AS_CBOR = 0, |
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108 | AS_BYTES = 1, |
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109 | AS_TEXT = 2, |
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110 | AS_FLOAT16 = 3, |
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111 | AS_FLOAT32 = 4, |
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112 | AS_FLOAT64 = 5, |
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113 | // possibly future enhancements: float, integer |
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114 | }; |
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115 | |
43 | #define F_SHRINK 0x00000200UL |
116 | #define F_SHRINK 0x00000001UL |
44 | #define F_ALLOW_UNKNOWN 0x00002000UL |
117 | #define F_ALLOW_UNKNOWN 0x00000002UL |
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118 | #define F_ALLOW_SHARING 0x00000004UL |
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119 | #define F_ALLOW_CYCLES 0x00000008UL |
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120 | #define F_FORBID_OBJECTS 0x00000010UL |
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121 | #define F_PACK_STRINGS 0x00000020UL |
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122 | #define F_TEXT_KEYS 0x00000040UL |
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123 | #define F_TEXT_STRINGS 0x00000080UL |
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124 | #define F_VALIDATE_UTF8 0x00000100UL |
45 | |
125 | |
46 | #define INIT_SIZE 32 // initial scalar size to be allocated |
126 | #define INIT_SIZE 32 // initial scalar size to be allocated |
47 | |
127 | |
48 | #define SB do { |
128 | #define SB do { |
49 | #define SE } while (0) |
129 | #define SE } while (0) |
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61 | # define CBOR_SLOW 0 |
141 | # define CBOR_SLOW 0 |
62 | # define CBOR_STASH cbor_stash |
142 | # define CBOR_STASH cbor_stash |
63 | #endif |
143 | #endif |
64 | |
144 | |
65 | static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS:: |
145 | static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS:: |
66 | static SV *types_true, *types_false, *types_error, *sv_cbor; |
146 | static SV *types_true, *types_false, *types_error, *sv_cbor, *default_filter; |
67 | |
147 | |
68 | typedef struct { |
148 | typedef struct { |
69 | U32 flags; |
149 | U32 flags; |
70 | U32 max_depth; |
150 | U32 max_depth; |
71 | STRLEN max_size; |
151 | STRLEN max_size; |
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152 | SV *filter; |
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153 | |
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154 | // for the incremental parser |
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155 | STRLEN incr_pos; // the current offset into the text |
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156 | STRLEN incr_need; // minimum bytes needed to decode |
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157 | AV *incr_count; // for every nesting level, the number of outstanding values, or -1 for indef. |
72 | } CBOR; |
158 | } CBOR; |
73 | |
159 | |
74 | ecb_inline void |
160 | ecb_inline void |
75 | cbor_init (CBOR *cbor) |
161 | cbor_init (CBOR *cbor) |
76 | { |
162 | { |
77 | Zero (cbor, 1, CBOR); |
163 | Zero (cbor, 1, CBOR); |
78 | cbor->max_depth = 512; |
164 | cbor->max_depth = 512; |
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165 | } |
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166 | |
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167 | ecb_inline void |
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168 | cbor_free (CBOR *cbor) |
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169 | { |
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170 | SvREFCNT_dec (cbor->filter); |
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171 | SvREFCNT_dec (cbor->incr_count); |
79 | } |
172 | } |
80 | |
173 | |
81 | ///////////////////////////////////////////////////////////////////////////// |
174 | ///////////////////////////////////////////////////////////////////////////// |
82 | // utility functions |
175 | // utility functions |
83 | |
176 | |
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105 | SvPV_renew (sv, SvCUR (sv) + 1); |
198 | SvPV_renew (sv, SvCUR (sv) + 1); |
106 | #endif |
199 | #endif |
107 | } |
200 | } |
108 | } |
201 | } |
109 | |
202 | |
110 | ///////////////////////////////////////////////////////////////////////////// |
203 | // minimum length of a string to be registered for stringref |
111 | // fp hell |
204 | ecb_inline int |
112 | |
205 | minimum_string_length (UV idx) |
113 | //TODO |
206 | { |
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207 | return idx <= 23 ? 3 |
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208 | : idx <= 0xffU ? 4 |
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209 | : idx <= 0xffffU ? 5 |
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210 | : idx <= 0xffffffffU ? 7 |
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211 | : 11; |
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212 | } |
114 | |
213 | |
115 | ///////////////////////////////////////////////////////////////////////////// |
214 | ///////////////////////////////////////////////////////////////////////////// |
116 | // encoder |
215 | // encoder |
117 | |
216 | |
118 | // structure used for encoding CBOR |
217 | // structure used for encoding CBOR |
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121 | char *cur; // SvPVX (sv) + current output position |
220 | char *cur; // SvPVX (sv) + current output position |
122 | char *end; // SvEND (sv) |
221 | char *end; // SvEND (sv) |
123 | SV *sv; // result scalar |
222 | SV *sv; // result scalar |
124 | CBOR cbor; |
223 | CBOR cbor; |
125 | U32 depth; // recursion level |
224 | U32 depth; // recursion level |
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225 | HV *stringref[2]; // string => index, or 0 ([0] = bytes, [1] = utf-8) |
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226 | UV stringref_idx; |
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227 | HV *shareable; // ptr => index, or 0 |
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228 | UV shareable_idx; |
126 | } enc_t; |
229 | } enc_t; |
127 | |
230 | |
128 | ecb_inline void |
231 | ecb_inline void |
129 | need (enc_t *enc, STRLEN len) |
232 | need (enc_t *enc, STRLEN len) |
130 | { |
233 | { |
131 | if (ecb_expect_false (enc->cur + len >= enc->end)) |
234 | if (ecb_expect_false ((uintptr_t)(enc->end - enc->cur) < len)) |
132 | { |
235 | { |
133 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
236 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
134 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
237 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
135 | enc->cur = SvPVX (enc->sv) + cur; |
238 | enc->cur = SvPVX (enc->sv) + cur; |
136 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
239 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
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142 | { |
245 | { |
143 | need (enc, 1); |
246 | need (enc, 1); |
144 | *enc->cur++ = ch; |
247 | *enc->cur++ = ch; |
145 | } |
248 | } |
146 | |
249 | |
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250 | // used for tags, intregers, element counts and so on |
147 | static void |
251 | static void |
148 | encode_uint (enc_t *enc, int major, UV len) |
252 | encode_uint (enc_t *enc, int major, UV len) |
149 | { |
253 | { |
150 | need (enc, 9); |
254 | need (enc, 9); |
151 | |
255 | |
152 | if (len < 24) |
256 | if (ecb_expect_true (len < LENGTH_EXT1)) |
153 | *enc->cur++ = major | len; |
257 | *enc->cur++ = major | len; |
154 | else if (len <= 0xff) |
258 | else if (ecb_expect_true (len <= 0xffU)) |
155 | { |
259 | { |
156 | *enc->cur++ = major | 24; |
260 | *enc->cur++ = major | LENGTH_EXT1; |
157 | *enc->cur++ = len; |
261 | *enc->cur++ = len; |
158 | } |
262 | } |
159 | else if (len <= 0xffff) |
263 | else if (len <= 0xffffU) |
160 | { |
264 | { |
161 | *enc->cur++ = major | 25; |
265 | *enc->cur++ = major | LENGTH_EXT2; |
162 | *enc->cur++ = len >> 8; |
266 | *enc->cur++ = len >> 8; |
163 | *enc->cur++ = len; |
267 | *enc->cur++ = len; |
164 | } |
268 | } |
165 | else if (len <= 0xffffffff) |
269 | else if (len <= 0xffffffffU) |
166 | { |
270 | { |
167 | *enc->cur++ = major | 26; |
271 | *enc->cur++ = major | LENGTH_EXT4; |
168 | *enc->cur++ = len >> 24; |
272 | *enc->cur++ = len >> 24; |
169 | *enc->cur++ = len >> 16; |
273 | *enc->cur++ = len >> 16; |
170 | *enc->cur++ = len >> 8; |
274 | *enc->cur++ = len >> 8; |
171 | *enc->cur++ = len; |
275 | *enc->cur++ = len; |
172 | } |
276 | } |
173 | else |
277 | else |
174 | { |
278 | { |
175 | *enc->cur++ = major | 27; |
279 | *enc->cur++ = major | LENGTH_EXT8; |
176 | *enc->cur++ = len >> 56; |
280 | *enc->cur++ = len >> 56; |
177 | *enc->cur++ = len >> 48; |
281 | *enc->cur++ = len >> 48; |
178 | *enc->cur++ = len >> 40; |
282 | *enc->cur++ = len >> 40; |
179 | *enc->cur++ = len >> 32; |
283 | *enc->cur++ = len >> 32; |
180 | *enc->cur++ = len >> 24; |
284 | *enc->cur++ = len >> 24; |
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182 | *enc->cur++ = len >> 8; |
286 | *enc->cur++ = len >> 8; |
183 | *enc->cur++ = len; |
287 | *enc->cur++ = len; |
184 | } |
288 | } |
185 | } |
289 | } |
186 | |
290 | |
187 | static void |
291 | // encodes a perl value into a CBOR integer |
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292 | ecb_inline |
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293 | encode_int (enc_t *enc, SV *sv) |
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294 | { |
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295 | if (SvIsUV (sv)) |
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296 | encode_uint (enc, MAJOR_POS_INT, SvUVX (sv)); |
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297 | else if (SvIVX (sv) >= 0) |
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298 | encode_uint (enc, MAJOR_POS_INT, SvIVX (sv)); |
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299 | else |
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300 | encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1)); |
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301 | } |
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302 | |
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303 | ecb_inline void |
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304 | encode_tag (enc_t *enc, UV tag) |
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305 | { |
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306 | encode_uint (enc, MAJOR_TAG, tag); |
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307 | } |
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308 | |
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309 | // exceptional (hopefully) slow path for byte strings that need to be utf8-encoded |
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310 | ecb_noinline static void |
188 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
311 | encode_str_utf8 (enc_t *enc, int utf8, char *str, STRLEN len) |
189 | { |
312 | { |
190 | encode_uint (enc, utf8 ? 0x60 : 0x40, len); |
313 | STRLEN ulen = len; |
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314 | U8 *p, *pend = (U8 *)str + len; |
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315 | |
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316 | for (p = (U8 *)str; p < pend; ++p) |
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317 | ulen += *p >> 7; // count set high bits |
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318 | |
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319 | encode_uint (enc, MAJOR_TEXT, ulen); |
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320 | |
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321 | need (enc, ulen); |
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322 | for (p = (U8 *)str; p < pend; ++p) |
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323 | if (*p < 0x80) |
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324 | *enc->cur++ = *p; |
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325 | else |
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326 | { |
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327 | *enc->cur++ = 0xc0 + (*p >> 6); |
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328 | *enc->cur++ = 0x80 + (*p & 63); |
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329 | } |
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330 | } |
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331 | |
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332 | ecb_inline void |
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333 | encode_str (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len) |
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334 | { |
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335 | if (ecb_expect_false (upgrade_utf8)) |
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336 | if (!utf8) |
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337 | { |
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338 | encode_str_utf8 (enc, utf8, str, len); |
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339 | return; |
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340 | } |
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341 | |
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342 | encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); |
191 | need (enc, len); |
343 | need (enc, len); |
192 | memcpy (enc->cur, str, len); |
344 | memcpy (enc->cur, str, len); |
193 | enc->cur += len; |
345 | enc->cur += len; |
194 | } |
346 | } |
195 | |
347 | |
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348 | ecb_inline void |
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349 | encode_strref (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len) |
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350 | { |
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351 | if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) |
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352 | { |
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353 | SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); |
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354 | |
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355 | if (SvOK (*svp)) |
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356 | { |
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357 | // already registered, use stringref |
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358 | encode_tag (enc, CBOR_TAG_STRINGREF); |
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359 | encode_uint (enc, MAJOR_POS_INT, SvUV (*svp)); |
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360 | return; |
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361 | } |
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362 | else if (len >= minimum_string_length (enc->stringref_idx)) |
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363 | { |
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364 | // register only |
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365 | sv_setuv (*svp, enc->stringref_idx); |
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366 | ++enc->stringref_idx; |
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367 | } |
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368 | } |
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369 | |
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370 | encode_str (enc, upgrade_utf8, utf8, str, len); |
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371 | } |
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372 | |
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373 | ecb_inline void |
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374 | encode_float16 (enc_t *enc, NV nv) |
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375 | { |
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376 | need (enc, 1+2); |
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377 | |
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378 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT16; |
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379 | |
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380 | uint16_t fp = ecb_float_to_binary16 (nv); |
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381 | |
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382 | if (!ecb_big_endian ()) |
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383 | fp = ecb_bswap16 (fp); |
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384 | |
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385 | memcpy (enc->cur, &fp, 2); |
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386 | enc->cur += 2; |
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387 | } |
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388 | |
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389 | ecb_inline void |
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390 | encode_float32 (enc_t *enc, NV nv) |
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391 | { |
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392 | need (enc, 1+4); |
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393 | |
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394 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT32; |
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395 | |
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396 | uint32_t fp = ecb_float_to_binary32 (nv); |
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397 | |
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398 | if (!ecb_big_endian ()) |
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399 | fp = ecb_bswap32 (fp); |
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400 | |
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401 | memcpy (enc->cur, &fp, 4); |
|
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402 | enc->cur += 4; |
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403 | } |
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404 | |
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405 | ecb_inline void |
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406 | encode_float64 (enc_t *enc, NV nv) |
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407 | { |
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408 | need (enc, 1+8); |
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409 | |
|
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410 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT64; |
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411 | |
|
|
412 | uint64_t fp = ecb_double_to_binary64 (nv); |
|
|
413 | |
|
|
414 | if (!ecb_big_endian ()) |
|
|
415 | fp = ecb_bswap64 (fp); |
|
|
416 | |
|
|
417 | memcpy (enc->cur, &fp, 8); |
|
|
418 | enc->cur += 8; |
|
|
419 | } |
|
|
420 | |
|
|
421 | ecb_inline void |
|
|
422 | encode_forced (enc_t *enc, UV type, SV *sv) |
|
|
423 | { |
|
|
424 | switch (type) |
|
|
425 | { |
|
|
426 | case AS_CBOR: |
|
|
427 | { |
|
|
428 | STRLEN len; |
|
|
429 | char *str = SvPVbyte (sv, len); |
|
|
430 | |
|
|
431 | need (enc, len); |
|
|
432 | memcpy (enc->cur, str, len); |
|
|
433 | enc->cur += len; |
|
|
434 | } |
|
|
435 | break; |
|
|
436 | |
|
|
437 | case AS_BYTES: |
|
|
438 | { |
|
|
439 | STRLEN len; |
|
|
440 | char *str = SvPVbyte (sv, len); |
|
|
441 | encode_strref (enc, 0, 0, str, len); |
|
|
442 | } |
|
|
443 | break; |
|
|
444 | |
|
|
445 | case AS_TEXT: |
|
|
446 | { |
|
|
447 | STRLEN len; |
|
|
448 | char *str = SvPVutf8 (sv, len); |
|
|
449 | encode_strref (enc, 1, 1, str, len); |
|
|
450 | } |
|
|
451 | break; |
|
|
452 | |
|
|
453 | case AS_FLOAT16: encode_float16 (enc, SvNV (sv)); break; |
|
|
454 | case AS_FLOAT32: encode_float32 (enc, SvNV (sv)); break; |
|
|
455 | case AS_FLOAT64: encode_float64 (enc, SvNV (sv)); break; |
|
|
456 | |
|
|
457 | default: |
|
|
458 | croak ("encountered malformed CBOR::XS::Tagged object"); |
|
|
459 | } |
|
|
460 | } |
|
|
461 | |
196 | static void encode_sv (enc_t *enc, SV *sv); |
462 | static void encode_sv (enc_t *enc, SV *sv); |
197 | |
463 | |
198 | static void |
464 | static void |
199 | encode_av (enc_t *enc, AV *av) |
465 | encode_av (enc_t *enc, AV *av) |
200 | { |
466 | { |
… | |
… | |
203 | if (enc->depth >= enc->cbor.max_depth) |
469 | if (enc->depth >= enc->cbor.max_depth) |
204 | croak (ERR_NESTING_EXCEEDED); |
470 | croak (ERR_NESTING_EXCEEDED); |
205 | |
471 | |
206 | ++enc->depth; |
472 | ++enc->depth; |
207 | |
473 | |
208 | encode_uint (enc, 0x80, len + 1); |
474 | encode_uint (enc, MAJOR_ARRAY, len + 1); |
209 | |
475 | |
|
|
476 | if (ecb_expect_false (SvMAGICAL (av))) |
210 | for (i = 0; i <= len; ++i) |
477 | for (i = 0; i <= len; ++i) |
211 | { |
478 | { |
212 | SV **svp = av_fetch (av, i, 0); |
479 | SV **svp = av_fetch (av, i, 0); |
213 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
480 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
214 | } |
481 | } |
|
|
482 | else |
|
|
483 | for (i = 0; i <= len; ++i) |
|
|
484 | { |
|
|
485 | SV *sv = AvARRAY (av)[i]; |
|
|
486 | encode_sv (enc, sv ? sv : &PL_sv_undef); |
|
|
487 | } |
215 | |
488 | |
216 | --enc->depth; |
489 | --enc->depth; |
217 | } |
490 | } |
218 | |
491 | |
219 | static void |
492 | static void |
… | |
… | |
227 | ++enc->depth; |
500 | ++enc->depth; |
228 | |
501 | |
229 | int pairs = hv_iterinit (hv); |
502 | int pairs = hv_iterinit (hv); |
230 | int mg = SvMAGICAL (hv); |
503 | int mg = SvMAGICAL (hv); |
231 | |
504 | |
232 | if (mg) |
505 | if (ecb_expect_false (mg)) |
233 | encode_ch (enc, 0xa0 | 31); |
506 | encode_ch (enc, MAJOR_MAP | MINOR_INDEF); |
234 | else |
507 | else |
235 | encode_uint (enc, 0xa0, pairs); |
508 | encode_uint (enc, MAJOR_MAP, pairs); |
236 | |
509 | |
237 | while ((he = hv_iternext (hv))) |
510 | while ((he = hv_iternext (hv))) |
238 | { |
511 | { |
239 | if (HeKLEN (he) == HEf_SVKEY) |
512 | if (HeKLEN (he) == HEf_SVKEY) |
240 | encode_sv (enc, HeSVKEY (he)); |
513 | encode_sv (enc, HeSVKEY (he)); |
241 | else |
514 | else |
242 | encode_str (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
515 | encode_strref (enc, enc->cbor.flags & (F_TEXT_KEYS | F_TEXT_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
243 | |
516 | |
244 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
517 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
245 | } |
518 | } |
246 | |
519 | |
247 | if (mg) |
520 | if (ecb_expect_false (mg)) |
248 | encode_ch (enc, 0xe0 | 31); |
521 | encode_ch (enc, MAJOR_MISC | MINOR_INDEF); |
249 | |
522 | |
250 | --enc->depth; |
523 | --enc->depth; |
251 | } |
524 | } |
252 | |
525 | |
253 | // encode objects, arrays and special \0=false and \1=true values. |
526 | // encode objects, arrays and special \0=false and \1=true values. |
254 | static void |
527 | static void |
255 | encode_rv (enc_t *enc, SV *sv) |
528 | encode_rv (enc_t *enc, SV *sv) |
256 | { |
529 | { |
257 | svtype svt; |
|
|
258 | |
|
|
259 | SvGETMAGIC (sv); |
530 | SvGETMAGIC (sv); |
|
|
531 | |
260 | svt = SvTYPE (sv); |
532 | svtype svt = SvTYPE (sv); |
261 | |
533 | |
262 | if (ecb_expect_false (SvOBJECT (sv))) |
534 | if (ecb_expect_false (SvOBJECT (sv))) |
263 | { |
535 | { |
264 | HV *boolean_stash = !CBOR_SLOW || types_boolean_stash |
536 | HV *boolean_stash = !CBOR_SLOW || types_boolean_stash |
265 | ? types_boolean_stash |
537 | ? types_boolean_stash |
… | |
… | |
270 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
542 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
271 | ? cbor_tagged_stash |
543 | ? cbor_tagged_stash |
272 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
544 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
273 | |
545 | |
274 | HV *stash = SvSTASH (sv); |
546 | HV *stash = SvSTASH (sv); |
275 | GV *method; |
|
|
276 | |
547 | |
277 | if (stash == boolean_stash) |
548 | if (stash == boolean_stash) |
278 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
549 | { |
|
|
550 | encode_ch (enc, SvIV (sv) ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE); |
|
|
551 | return; |
|
|
552 | } |
279 | else if (stash == error_stash) |
553 | else if (stash == error_stash) |
280 | encode_ch (enc, 0xe0 | 23); |
554 | { |
|
|
555 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
|
|
556 | return; |
|
|
557 | } |
281 | else if (stash == tagged_stash) |
558 | else if (stash == tagged_stash) |
282 | { |
559 | { |
283 | if (svt != SVt_PVAV) |
560 | if (svt != SVt_PVAV) |
284 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
561 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
285 | |
562 | |
|
|
563 | switch (av_len ((AV *)sv)) |
|
|
564 | { |
|
|
565 | case 2-1: |
|
|
566 | // actually a tagged value |
286 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
567 | encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
287 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
568 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
|
|
569 | break; |
|
|
570 | |
|
|
571 | case 3-1: |
|
|
572 | // a forced type [value, type, undef] |
|
|
573 | encode_forced (enc, SvUV (*av_fetch ((AV *)sv, 1, 1)), *av_fetch ((AV *)sv, 0, 1)); |
|
|
574 | break; |
|
|
575 | |
|
|
576 | default: |
|
|
577 | croak ("encountered malformed CBOR::XS::Tagged object"); |
|
|
578 | } |
|
|
579 | |
|
|
580 | return; |
|
|
581 | } |
|
|
582 | } |
|
|
583 | |
|
|
584 | if (ecb_expect_false (SvREFCNT (sv) > 1) |
|
|
585 | && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) |
|
|
586 | { |
|
|
587 | if (ecb_expect_false (!enc->shareable)) |
|
|
588 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
589 | |
|
|
590 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
|
|
591 | |
|
|
592 | if (SvOK (*svp)) |
288 | } |
593 | { |
|
|
594 | encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF); |
|
|
595 | encode_uint (enc, MAJOR_POS_INT, SvUV (*svp)); |
|
|
596 | return; |
|
|
597 | } |
|
|
598 | else |
|
|
599 | { |
|
|
600 | sv_setuv (*svp, enc->shareable_idx); |
|
|
601 | ++enc->shareable_idx; |
|
|
602 | encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE); |
|
|
603 | } |
|
|
604 | } |
|
|
605 | |
|
|
606 | if (ecb_expect_false (SvOBJECT (sv))) |
|
|
607 | { |
|
|
608 | HV *stash = SvSTASH (sv); |
|
|
609 | GV *method; |
|
|
610 | |
|
|
611 | if (enc->cbor.flags & F_FORBID_OBJECTS) |
|
|
612 | croak ("encountered object '%s', but forbid_objects is enabled", |
|
|
613 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
289 | else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
614 | else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
290 | { |
615 | { |
291 | dSP; |
616 | dSP; |
292 | |
617 | |
293 | ENTER; SAVETMPS; PUSHMARK (SP); |
618 | ENTER; SAVETMPS; |
|
|
619 | PUSHMARK (SP); |
294 | // we re-bless the reference to get overload and other niceties right |
620 | // we re-bless the reference to get overload and other niceties right |
295 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
621 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
296 | |
622 | |
297 | PUTBACK; |
623 | PUTBACK; |
298 | // G_SCALAR ensures that return value is 1 |
624 | // G_SCALAR ensures that return value is 1 |
… | |
… | |
311 | } |
637 | } |
312 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
638 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
313 | { |
639 | { |
314 | dSP; |
640 | dSP; |
315 | |
641 | |
316 | ENTER; SAVETMPS; PUSHMARK (SP); |
642 | ENTER; SAVETMPS; |
|
|
643 | PUSHMARK (SP); |
317 | EXTEND (SP, 2); |
644 | EXTEND (SP, 2); |
318 | // we re-bless the reference to get overload and other niceties right |
645 | // we re-bless the reference to get overload and other niceties right |
319 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
646 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
320 | PUSHs (sv_cbor); |
647 | PUSHs (sv_cbor); |
321 | |
648 | |
… | |
… | |
325 | |
652 | |
326 | // catch this surprisingly common error |
653 | // catch this surprisingly common error |
327 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
654 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
328 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
655 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
329 | |
656 | |
330 | encode_uint (enc, 0xc0, CBOR_TAG_PERL_OBJECT); |
657 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
331 | encode_uint (enc, 0x80, count + 1); |
658 | encode_uint (enc, MAJOR_ARRAY, count + 1); |
332 | encode_str (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
659 | encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
333 | |
660 | |
334 | while (count) |
661 | { |
|
|
662 | int i; |
|
|
663 | |
|
|
664 | for (i = 0; i < count; ++i) |
335 | encode_sv (enc, SP[1 - count--]); |
665 | encode_sv (enc, SP[i + 1 - count]); |
|
|
666 | |
|
|
667 | SP -= count; |
|
|
668 | } |
336 | |
669 | |
337 | PUTBACK; |
670 | PUTBACK; |
338 | |
671 | |
339 | FREETMPS; LEAVE; |
672 | FREETMPS; LEAVE; |
340 | } |
673 | } |
… | |
… | |
344 | } |
677 | } |
345 | else if (svt == SVt_PVHV) |
678 | else if (svt == SVt_PVHV) |
346 | encode_hv (enc, (HV *)sv); |
679 | encode_hv (enc, (HV *)sv); |
347 | else if (svt == SVt_PVAV) |
680 | else if (svt == SVt_PVAV) |
348 | encode_av (enc, (AV *)sv); |
681 | encode_av (enc, (AV *)sv); |
349 | else if (svt < SVt_PVAV) |
|
|
350 | { |
|
|
351 | STRLEN len = 0; |
|
|
352 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
353 | |
|
|
354 | if (len == 1 && *pv == '1') |
|
|
355 | encode_ch (enc, 0xe0 | 21); |
|
|
356 | else if (len == 1 && *pv == '0') |
|
|
357 | encode_ch (enc, 0xe0 | 20); |
|
|
358 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
|
359 | encode_ch (enc, 0xe0 | 23); |
|
|
360 | else |
|
|
361 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
|
|
362 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
363 | } |
|
|
364 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
|
365 | encode_ch (enc, 0xe0 | 23); |
|
|
366 | else |
682 | else |
367 | croak ("encountered %s, but CBOR can only represent references to arrays or hashes", |
683 | { |
368 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
684 | encode_tag (enc, CBOR_TAG_INDIRECTION); |
|
|
685 | encode_sv (enc, sv); |
|
|
686 | } |
369 | } |
687 | } |
370 | |
688 | |
371 | static void |
689 | static void |
372 | encode_nv (enc_t *enc, SV *sv) |
690 | encode_nv (enc_t *enc, SV *sv) |
373 | { |
691 | { |
374 | double nv = SvNVX (sv); |
692 | double nv = SvNVX (sv); |
375 | |
693 | |
376 | need (enc, 9); |
694 | need (enc, 9); |
377 | |
695 | |
378 | if (ecb_expect_false (nv == (U32)nv)) |
696 | if (ecb_expect_false (nv == (NV)(U32)nv)) |
379 | encode_uint (enc, 0x00, (U32)nv); |
697 | encode_uint (enc, MAJOR_POS_INT, (U32)nv); |
380 | //TODO: maybe I32? |
698 | //TODO: maybe I32? |
381 | else if (ecb_expect_false (nv == (float)nv)) |
699 | else if (ecb_expect_false (nv == (float)nv)) |
382 | { |
700 | encode_float32 (enc, nv); |
383 | uint32_t fp = ecb_float_to_binary32 (nv); |
|
|
384 | |
|
|
385 | *enc->cur++ = 0xe0 | 26; |
|
|
386 | |
|
|
387 | if (!ecb_big_endian ()) |
|
|
388 | fp = ecb_bswap32 (fp); |
|
|
389 | |
|
|
390 | memcpy (enc->cur, &fp, 4); |
|
|
391 | enc->cur += 4; |
|
|
392 | } |
|
|
393 | else |
701 | else |
394 | { |
702 | encode_float64 (enc, nv); |
395 | uint64_t fp = ecb_double_to_binary64 (nv); |
|
|
396 | |
|
|
397 | *enc->cur++ = 0xe0 | 27; |
|
|
398 | |
|
|
399 | if (!ecb_big_endian ()) |
|
|
400 | fp = ecb_bswap64 (fp); |
|
|
401 | |
|
|
402 | memcpy (enc->cur, &fp, 8); |
|
|
403 | enc->cur += 8; |
|
|
404 | } |
|
|
405 | } |
703 | } |
406 | |
704 | |
407 | static void |
705 | static void |
408 | encode_sv (enc_t *enc, SV *sv) |
706 | encode_sv (enc_t *enc, SV *sv) |
409 | { |
707 | { |
… | |
… | |
411 | |
709 | |
412 | if (SvPOKp (sv)) |
710 | if (SvPOKp (sv)) |
413 | { |
711 | { |
414 | STRLEN len; |
712 | STRLEN len; |
415 | char *str = SvPV (sv, len); |
713 | char *str = SvPV (sv, len); |
416 | encode_str (enc, SvUTF8 (sv), str, len); |
714 | encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len); |
417 | } |
715 | } |
418 | else if (SvNOKp (sv)) |
716 | else if (SvNOKp (sv)) |
419 | encode_nv (enc, sv); |
717 | encode_nv (enc, sv); |
420 | else if (SvIOKp (sv)) |
718 | else if (SvIOKp (sv)) |
421 | { |
719 | encode_int (e,v sv); |
422 | if (SvIsUV (sv)) |
|
|
423 | encode_uint (enc, 0x00, SvUVX (sv)); |
|
|
424 | else if (SvIVX (sv) >= 0) |
|
|
425 | encode_uint (enc, 0x00, SvIVX (sv)); |
|
|
426 | else |
|
|
427 | encode_uint (enc, 0x20, -(SvIVX (sv) + 1)); |
|
|
428 | } |
|
|
429 | else if (SvROK (sv)) |
720 | else if (SvROK (sv)) |
430 | encode_rv (enc, SvRV (sv)); |
721 | encode_rv (enc, SvRV (sv)); |
431 | else if (!SvOK (sv)) |
722 | else if (!SvOK (sv)) |
432 | encode_ch (enc, 0xe0 | 22); |
723 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
433 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
724 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
434 | encode_ch (enc, 0xe0 | 23); |
725 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
435 | else |
726 | else |
436 | croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data", |
727 | croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data", |
437 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
728 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
438 | } |
729 | } |
439 | |
730 | |
440 | static SV * |
731 | static SV * |
441 | encode_cbor (SV *scalar, CBOR *cbor) |
732 | encode_cbor (SV *scalar, CBOR *cbor) |
442 | { |
733 | { |
443 | enc_t enc; |
734 | enc_t enc = { 0 }; |
444 | |
735 | |
445 | enc.cbor = *cbor; |
736 | enc.cbor = *cbor; |
446 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
737 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
447 | enc.cur = SvPVX (enc.sv); |
738 | enc.cur = SvPVX (enc.sv); |
448 | enc.end = SvEND (enc.sv); |
739 | enc.end = SvEND (enc.sv); |
449 | enc.depth = 0; |
|
|
450 | |
740 | |
451 | SvPOK_only (enc.sv); |
741 | SvPOK_only (enc.sv); |
|
|
742 | |
|
|
743 | if (cbor->flags & F_PACK_STRINGS) |
|
|
744 | { |
|
|
745 | encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE); |
|
|
746 | enc.stringref[0]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
747 | enc.stringref[1]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
748 | } |
|
|
749 | |
452 | encode_sv (&enc, scalar); |
750 | encode_sv (&enc, scalar); |
453 | |
751 | |
454 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
752 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
455 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
753 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
456 | |
754 | |
… | |
… | |
470 | U8 *end; // end of input string |
768 | U8 *end; // end of input string |
471 | const char *err; // parse error, if != 0 |
769 | const char *err; // parse error, if != 0 |
472 | CBOR cbor; |
770 | CBOR cbor; |
473 | U32 depth; // recursion depth |
771 | U32 depth; // recursion depth |
474 | U32 maxdepth; // recursion depth limit |
772 | U32 maxdepth; // recursion depth limit |
|
|
773 | AV *shareable; |
|
|
774 | AV *stringref; |
|
|
775 | SV *decode_tagged; |
|
|
776 | SV *err_sv; // optional sv for error, needs to be freed |
475 | } dec_t; |
777 | } dec_t; |
476 | |
778 | |
477 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
779 | // set dec->err to ERRSV |
|
|
780 | ecb_cold static void |
|
|
781 | err_errsv (dec_t *dec) |
|
|
782 | { |
|
|
783 | if (!dec->err) |
|
|
784 | { |
|
|
785 | dec->err_sv = newSVsv (ERRSV); |
478 | |
786 | |
479 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
787 | // chop off the trailing \n |
|
|
788 | SvCUR_set (dec->err_sv, SvCUR (dec->err_sv) - 1); |
|
|
789 | *SvEND (dec->err_sv) = 0; |
480 | |
790 | |
|
|
791 | dec->err = SvPVutf8_nolen (dec->err_sv); |
|
|
792 | } |
|
|
793 | } |
|
|
794 | |
|
|
795 | // the following functions are used to reduce code size and help the compiler to optimise |
|
|
796 | ecb_cold static void |
|
|
797 | err_set (dec_t *dec, const char *reason) |
|
|
798 | { |
|
|
799 | if (!dec->err) |
|
|
800 | dec->err = reason; |
|
|
801 | } |
|
|
802 | |
|
|
803 | ecb_cold static void |
|
|
804 | err_unexpected_end (dec_t *dec) |
|
|
805 | { |
|
|
806 | err_set (dec, "unexpected end of CBOR data"); |
|
|
807 | } |
|
|
808 | |
|
|
809 | #define ERR_DO(do) SB do; goto fail; SE |
|
|
810 | #define ERR(reason) ERR_DO (err_set (dec, reason)) |
|
|
811 | #define ERR_ERRSV ERR_DO (err_errsv (dec)) |
|
|
812 | |
|
|
813 | #define WANT(len) if (ecb_expect_false ((uintptr_t)(dec->end - dec->cur) < (STRLEN)len)) ERR_DO (err_unexpected_end (dec)) |
|
|
814 | |
481 | #define DEC_INC_DEPTH if (++dec->depth > dec->cbor.max_depth) ERR (ERR_NESTING_EXCEEDED) |
815 | #define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED) |
482 | #define DEC_DEC_DEPTH --dec->depth |
816 | #define DEC_DEC_DEPTH --dec->depth |
483 | |
817 | |
484 | static UV |
818 | static UV |
485 | decode_uint (dec_t *dec) |
819 | decode_uint (dec_t *dec) |
486 | { |
820 | { |
487 | switch (*dec->cur & 31) |
821 | U8 m = *dec->cur & MINOR_MASK; |
488 | { |
822 | ++dec->cur; |
489 | case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: |
|
|
490 | case 8: case 9: case 10: case 11: case 12: case 13: case 14: case 15: |
|
|
491 | case 16: case 17: case 18: case 19: case 20: case 21: case 22: case 23: |
|
|
492 | return *dec->cur++ & 31; |
|
|
493 | |
823 | |
494 | case 24: |
824 | if (ecb_expect_true (m < LENGTH_EXT1)) |
|
|
825 | return m; |
|
|
826 | else if (ecb_expect_true (m == LENGTH_EXT1)) |
|
|
827 | { |
495 | WANT (2); |
828 | WANT (1); |
496 | dec->cur += 2; |
829 | dec->cur += 1; |
497 | return dec->cur[-1]; |
830 | return dec->cur[-1]; |
498 | |
831 | } |
499 | case 25: |
832 | else if (ecb_expect_true (m == LENGTH_EXT2)) |
|
|
833 | { |
500 | WANT (3); |
834 | WANT (2); |
501 | dec->cur += 3; |
835 | dec->cur += 2; |
502 | return (((UV)dec->cur[-2]) << 8) |
836 | return (((UV)dec->cur[-2]) << 8) |
503 | | ((UV)dec->cur[-1]); |
837 | | ((UV)dec->cur[-1]); |
504 | |
838 | } |
505 | case 26: |
839 | else if (ecb_expect_true (m == LENGTH_EXT4)) |
|
|
840 | { |
506 | WANT (5); |
841 | WANT (4); |
507 | dec->cur += 5; |
842 | dec->cur += 4; |
508 | return (((UV)dec->cur[-4]) << 24) |
843 | return (((UV)dec->cur[-4]) << 24) |
509 | | (((UV)dec->cur[-3]) << 16) |
844 | | (((UV)dec->cur[-3]) << 16) |
510 | | (((UV)dec->cur[-2]) << 8) |
845 | | (((UV)dec->cur[-2]) << 8) |
511 | | ((UV)dec->cur[-1]); |
846 | | ((UV)dec->cur[-1]); |
512 | |
847 | } |
513 | case 27: |
848 | else if (ecb_expect_true (m == LENGTH_EXT8)) |
|
|
849 | { |
514 | WANT (9); |
850 | WANT (8); |
515 | dec->cur += 9; |
851 | dec->cur += 8; |
|
|
852 | |
|
|
853 | return |
|
|
854 | #if UVSIZE < 8 |
|
|
855 | 0 |
|
|
856 | #else |
516 | return (((UV)dec->cur[-8]) << 56) |
857 | (((UV)dec->cur[-8]) << 56) |
517 | | (((UV)dec->cur[-7]) << 48) |
858 | | (((UV)dec->cur[-7]) << 48) |
518 | | (((UV)dec->cur[-6]) << 40) |
859 | | (((UV)dec->cur[-6]) << 40) |
519 | | (((UV)dec->cur[-5]) << 32) |
860 | | (((UV)dec->cur[-5]) << 32) |
|
|
861 | #endif |
520 | | (((UV)dec->cur[-4]) << 24) |
862 | | (((UV)dec->cur[-4]) << 24) |
521 | | (((UV)dec->cur[-3]) << 16) |
863 | | (((UV)dec->cur[-3]) << 16) |
522 | | (((UV)dec->cur[-2]) << 8) |
864 | | (((UV)dec->cur[-2]) << 8) |
523 | | ((UV)dec->cur[-1]); |
865 | | ((UV)dec->cur[-1]); |
524 | |
866 | } |
525 | default: |
867 | else |
526 | ERR ("corrupted CBOR data (unsupported integer minor encoding)"); |
868 | ERR ("corrupted CBOR data (unsupported integer minor encoding)"); |
527 | } |
|
|
528 | |
869 | |
529 | fail: |
870 | fail: |
530 | return 0; |
871 | return 0; |
531 | } |
872 | } |
532 | |
873 | |
… | |
… | |
537 | { |
878 | { |
538 | AV *av = newAV (); |
879 | AV *av = newAV (); |
539 | |
880 | |
540 | DEC_INC_DEPTH; |
881 | DEC_INC_DEPTH; |
541 | |
882 | |
542 | if ((*dec->cur & 31) == 31) |
883 | if (*dec->cur == (MAJOR_ARRAY | MINOR_INDEF)) |
543 | { |
884 | { |
544 | ++dec->cur; |
885 | ++dec->cur; |
545 | |
886 | |
546 | for (;;) |
887 | for (;;) |
547 | { |
888 | { |
548 | WANT (1); |
889 | WANT (1); |
549 | |
890 | |
550 | if (*dec->cur == (0xe0 | 31)) |
891 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
551 | { |
892 | { |
552 | ++dec->cur; |
893 | ++dec->cur; |
553 | break; |
894 | break; |
554 | } |
895 | } |
555 | |
896 | |
556 | av_push (av, decode_sv (dec)); |
897 | av_push (av, decode_sv (dec)); |
557 | } |
898 | } |
558 | } |
899 | } |
559 | else |
900 | else |
560 | { |
901 | { |
561 | int i, len = decode_uint (dec); |
902 | UV i, len = decode_uint (dec); |
562 | |
903 | |
|
|
904 | WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays |
563 | av_fill (av, len - 1); |
905 | av_fill (av, len - 1); |
564 | |
906 | |
565 | for (i = 0; i < len; ++i) |
907 | for (i = 0; i < len; ++i) |
566 | AvARRAY (av)[i] = decode_sv (dec); |
908 | AvARRAY (av)[i] = decode_sv (dec); |
567 | } |
909 | } |
568 | |
910 | |
569 | DEC_DEC_DEPTH; |
911 | DEC_DEC_DEPTH; |
570 | return newRV_noinc ((SV *)av); |
912 | return newRV_noinc ((SV *)av); |
571 | |
913 | |
572 | fail: |
914 | fail: |
573 | SvREFCNT_dec (av); |
915 | SvREFCNT_dec_NN (av); |
574 | DEC_DEC_DEPTH; |
916 | DEC_DEC_DEPTH; |
575 | return &PL_sv_undef; |
917 | return &PL_sv_undef; |
576 | } |
918 | } |
577 | |
919 | |
|
|
920 | static void |
|
|
921 | decode_he (dec_t *dec, HV *hv) |
|
|
922 | { |
|
|
923 | // for speed reasons, we specialcase single-string |
|
|
924 | // byte or utf-8 strings as keys, but only when !stringref |
|
|
925 | |
|
|
926 | if (ecb_expect_true (!dec->stringref)) |
|
|
927 | if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) |
|
|
928 | { |
|
|
929 | STRLEN len = decode_uint (dec); |
|
|
930 | char *key = (char *)dec->cur; |
|
|
931 | |
|
|
932 | WANT (len); |
|
|
933 | dec->cur += len; |
|
|
934 | |
|
|
935 | hv_store (hv, key, len, decode_sv (dec), 0); |
|
|
936 | |
|
|
937 | return; |
|
|
938 | } |
|
|
939 | else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) |
|
|
940 | { |
|
|
941 | STRLEN len = decode_uint (dec); |
|
|
942 | char *key = (char *)dec->cur; |
|
|
943 | |
|
|
944 | WANT (len); |
|
|
945 | dec->cur += len; |
|
|
946 | |
|
|
947 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
|
|
948 | if (!is_utf8_string (key, len)) |
|
|
949 | ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); |
|
|
950 | |
|
|
951 | hv_store (hv, key, -len, decode_sv (dec), 0); |
|
|
952 | |
|
|
953 | return; |
|
|
954 | } |
|
|
955 | |
|
|
956 | SV *k = decode_sv (dec); |
|
|
957 | SV *v = decode_sv (dec); |
|
|
958 | |
|
|
959 | // we leak memory if uncaught exceptions are thrown by random magical |
|
|
960 | // methods, and this is hopefully the only place where it can happen, |
|
|
961 | // so if there is a chance of an exception, take the very slow path. |
|
|
962 | // since catching exceptions is "undocumented/internal/forbidden" by |
|
|
963 | // the new p5p powers, we need to call out to a perl function :/ |
|
|
964 | if (ecb_expect_false (SvAMAGIC (k))) |
|
|
965 | { |
|
|
966 | dSP; |
|
|
967 | |
|
|
968 | ENTER; SAVETMPS; |
|
|
969 | PUSHMARK (SP); |
|
|
970 | EXTEND (SP, 3); |
|
|
971 | PUSHs (sv_2mortal (newRV_inc ((SV *)hv))); |
|
|
972 | PUSHs (sv_2mortal (k)); |
|
|
973 | PUSHs (sv_2mortal (v)); |
|
|
974 | |
|
|
975 | PUTBACK; |
|
|
976 | call_pv ("CBOR::XS::_hv_store", G_VOID | G_DISCARD | G_EVAL); |
|
|
977 | SPAGAIN; |
|
|
978 | |
|
|
979 | FREETMPS; LEAVE; |
|
|
980 | |
|
|
981 | if (SvTRUE (ERRSV)) |
|
|
982 | ERR_ERRSV; |
|
|
983 | |
|
|
984 | return; |
|
|
985 | } |
|
|
986 | |
|
|
987 | hv_store_ent (hv, k, v, 0); |
|
|
988 | SvREFCNT_dec_NN (k); |
|
|
989 | |
|
|
990 | fail: |
|
|
991 | ; |
|
|
992 | } |
|
|
993 | |
578 | static SV * |
994 | static SV * |
579 | decode_hv (dec_t *dec) |
995 | decode_hv (dec_t *dec) |
580 | { |
996 | { |
581 | HV *hv = newHV (); |
997 | HV *hv = newHV (); |
582 | |
998 | |
583 | DEC_INC_DEPTH; |
999 | DEC_INC_DEPTH; |
584 | |
1000 | |
585 | if ((*dec->cur & 31) == 31) |
1001 | if (*dec->cur == (MAJOR_MAP | MINOR_INDEF)) |
586 | { |
1002 | { |
587 | ++dec->cur; |
1003 | ++dec->cur; |
588 | |
1004 | |
589 | for (;;) |
1005 | for (;;) |
590 | { |
1006 | { |
591 | WANT (1); |
1007 | WANT (1); |
592 | |
1008 | |
593 | if (*dec->cur == (0xe0 | 31)) |
1009 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
594 | { |
1010 | { |
595 | ++dec->cur; |
1011 | ++dec->cur; |
596 | break; |
1012 | break; |
597 | } |
1013 | } |
598 | |
1014 | |
599 | SV *k = decode_sv (dec); |
1015 | decode_he (dec, hv); |
600 | SV *v = decode_sv (dec); |
|
|
601 | |
|
|
602 | hv_store_ent (hv, k, v, 0); |
|
|
603 | } |
1016 | } |
604 | } |
1017 | } |
605 | else |
1018 | else |
606 | { |
1019 | { |
607 | int len = decode_uint (dec); |
1020 | UV pairs = decode_uint (dec); |
608 | |
1021 | |
|
|
1022 | WANT (pairs); // complexity check - need at least one byte per value, do not allow supersize hashes |
|
|
1023 | |
609 | while (len--) |
1024 | while (pairs--) |
610 | { |
1025 | decode_he (dec, hv); |
611 | SV *k = decode_sv (dec); |
|
|
612 | SV *v = decode_sv (dec); |
|
|
613 | |
|
|
614 | hv_store_ent (hv, k, v, 0); |
|
|
615 | } |
|
|
616 | } |
1026 | } |
617 | |
1027 | |
618 | DEC_DEC_DEPTH; |
1028 | DEC_DEC_DEPTH; |
619 | return newRV_noinc ((SV *)hv); |
1029 | return newRV_noinc ((SV *)hv); |
620 | |
1030 | |
621 | fail: |
1031 | fail: |
622 | SvREFCNT_dec (hv); |
1032 | SvREFCNT_dec_NN (hv); |
623 | DEC_DEC_DEPTH; |
1033 | DEC_DEC_DEPTH; |
624 | return &PL_sv_undef; |
1034 | return &PL_sv_undef; |
625 | } |
1035 | } |
626 | |
1036 | |
627 | static SV * |
1037 | static SV * |
628 | decode_str (dec_t *dec, int utf8) |
1038 | decode_str (dec_t *dec, int utf8) |
629 | { |
1039 | { |
630 | SV *sv = 0; |
1040 | SV *sv = 0; |
631 | |
1041 | |
632 | if ((*dec->cur & 31) == 31) |
1042 | if (ecb_expect_false ((*dec->cur & MINOR_MASK) == MINOR_INDEF)) |
633 | { |
1043 | { |
|
|
1044 | // indefinite length strings |
634 | ++dec->cur; |
1045 | ++dec->cur; |
635 | |
1046 | |
|
|
1047 | U8 major = *dec->cur & MAJOR_MISC; |
|
|
1048 | |
636 | sv = newSVpvn ("", 0); |
1049 | sv = newSVpvn ("", 0); |
637 | |
1050 | |
638 | // not very fast, and certainly not robust against illegal input |
|
|
639 | for (;;) |
1051 | for (;;) |
640 | { |
1052 | { |
641 | WANT (1); |
1053 | WANT (1); |
642 | |
1054 | |
643 | if (*dec->cur == (0xe0 | 31)) |
1055 | if ((*dec->cur - major) > LENGTH_EXT8) |
|
|
1056 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
644 | { |
1057 | { |
645 | ++dec->cur; |
1058 | ++dec->cur; |
646 | break; |
1059 | break; |
647 | } |
1060 | } |
|
|
1061 | else |
|
|
1062 | ERR ("corrupted CBOR data (invalid chunks in indefinite length string)"); |
648 | |
1063 | |
649 | sv_catsv (sv, decode_sv (dec)); |
1064 | STRLEN len = decode_uint (dec); |
|
|
1065 | |
|
|
1066 | WANT (len); |
|
|
1067 | sv_catpvn (sv, dec->cur, len); |
|
|
1068 | dec->cur += len; |
650 | } |
1069 | } |
651 | } |
1070 | } |
652 | else |
1071 | else |
653 | { |
1072 | { |
654 | STRLEN len = decode_uint (dec); |
1073 | STRLEN len = decode_uint (dec); |
655 | |
1074 | |
656 | WANT (len); |
1075 | WANT (len); |
657 | sv = newSVpvn (dec->cur, len); |
1076 | sv = newSVpvn (dec->cur, len); |
658 | dec->cur += len; |
1077 | dec->cur += len; |
|
|
1078 | |
|
|
1079 | if (ecb_expect_false (dec->stringref) |
|
|
1080 | && SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1)) |
|
|
1081 | av_push (dec->stringref, SvREFCNT_inc_NN (sv)); |
659 | } |
1082 | } |
660 | |
1083 | |
661 | if (utf8) |
1084 | if (utf8) |
|
|
1085 | { |
|
|
1086 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
|
|
1087 | if (!is_utf8_string (SvPVX (sv), SvCUR (sv))) |
|
|
1088 | ERR ("corrupted CBOR data (invalid UTF-8 in text string)"); |
|
|
1089 | |
662 | SvUTF8_on (sv); |
1090 | SvUTF8_on (sv); |
|
|
1091 | } |
663 | |
1092 | |
664 | return sv; |
1093 | return sv; |
665 | |
1094 | |
666 | fail: |
1095 | fail: |
667 | SvREFCNT_dec (sv); |
1096 | SvREFCNT_dec (sv); |
… | |
… | |
669 | } |
1098 | } |
670 | |
1099 | |
671 | static SV * |
1100 | static SV * |
672 | decode_tagged (dec_t *dec) |
1101 | decode_tagged (dec_t *dec) |
673 | { |
1102 | { |
|
|
1103 | SV *sv = 0; |
674 | UV tag = decode_uint (dec); |
1104 | UV tag = decode_uint (dec); |
|
|
1105 | |
|
|
1106 | WANT (1); |
|
|
1107 | |
|
|
1108 | switch (tag) |
|
|
1109 | { |
|
|
1110 | case CBOR_TAG_MAGIC: |
675 | SV *sv = decode_sv (dec); |
1111 | sv = decode_sv (dec); |
|
|
1112 | break; |
676 | |
1113 | |
677 | if (tag == CBOR_TAG_MAGIC) |
1114 | case CBOR_TAG_INDIRECTION: |
678 | return sv; |
1115 | sv = newRV_noinc (decode_sv (dec)); |
679 | else if (tag == CBOR_TAG_PERL_OBJECT) |
1116 | break; |
680 | { |
1117 | |
|
|
1118 | case CBOR_TAG_STRINGREF_NAMESPACE: |
|
|
1119 | { |
|
|
1120 | // do not use SAVETMPS/FREETMPS, as these will |
|
|
1121 | // erase mortalised caches, e.g. "shareable" |
|
|
1122 | ENTER; |
|
|
1123 | |
|
|
1124 | SAVESPTR (dec->stringref); |
|
|
1125 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
1126 | |
|
|
1127 | sv = decode_sv (dec); |
|
|
1128 | |
|
|
1129 | LEAVE; |
|
|
1130 | } |
|
|
1131 | break; |
|
|
1132 | |
|
|
1133 | case CBOR_TAG_STRINGREF: |
|
|
1134 | { |
|
|
1135 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
|
|
1136 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
|
|
1137 | |
|
|
1138 | UV idx = decode_uint (dec); |
|
|
1139 | |
|
|
1140 | if (!dec->stringref || idx >= (UV)(1 + AvFILLp (dec->stringref))) |
|
|
1141 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
|
|
1142 | |
|
|
1143 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
|
|
1144 | } |
|
|
1145 | break; |
|
|
1146 | |
|
|
1147 | case CBOR_TAG_VALUE_SHAREABLE: |
|
|
1148 | { |
|
|
1149 | if (ecb_expect_false (!dec->shareable)) |
|
|
1150 | dec->shareable = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
1151 | |
|
|
1152 | if (dec->cbor.flags & F_ALLOW_CYCLES) |
|
|
1153 | { |
|
|
1154 | sv = newSV (0); |
|
|
1155 | av_push (dec->shareable, SvREFCNT_inc_NN (sv)); |
|
|
1156 | |
|
|
1157 | SV *osv = decode_sv (dec); |
|
|
1158 | sv_setsv (sv, osv); |
|
|
1159 | SvREFCNT_dec_NN (osv); |
|
|
1160 | } |
|
|
1161 | else |
|
|
1162 | { |
|
|
1163 | av_push (dec->shareable, &PL_sv_undef); |
|
|
1164 | int idx = AvFILLp (dec->shareable); |
|
|
1165 | sv = decode_sv (dec); |
|
|
1166 | av_store (dec->shareable, idx, SvREFCNT_inc_NN (sv)); |
|
|
1167 | } |
|
|
1168 | } |
|
|
1169 | break; |
|
|
1170 | |
|
|
1171 | case CBOR_TAG_VALUE_SHAREDREF: |
|
|
1172 | { |
|
|
1173 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
|
|
1174 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
|
|
1175 | |
|
|
1176 | UV idx = decode_uint (dec); |
|
|
1177 | |
|
|
1178 | if (!dec->shareable || idx >= (UV)(1 + AvFILLp (dec->shareable))) |
|
|
1179 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
|
|
1180 | |
|
|
1181 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
|
|
1182 | |
|
|
1183 | if (sv == &PL_sv_undef) |
|
|
1184 | ERR ("cyclic CBOR data structure found, but allow_cycles is not enabled"); |
|
|
1185 | } |
|
|
1186 | break; |
|
|
1187 | |
|
|
1188 | case CBOR_TAG_PERL_OBJECT: |
|
|
1189 | { |
|
|
1190 | if (dec->cbor.flags & F_FORBID_OBJECTS) |
|
|
1191 | goto filter; |
|
|
1192 | |
|
|
1193 | sv = decode_sv (dec); |
|
|
1194 | |
681 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
1195 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
682 | ERR ("corrupted CBOR data (non-array perl object)"); |
1196 | ERR ("corrupted CBOR data (non-array perl object)"); |
683 | |
1197 | |
684 | AV *av = (AV *)SvRV (sv); |
1198 | AV *av = (AV *)SvRV (sv); |
685 | int len = av_len (av) + 1; |
1199 | int len = av_len (av) + 1; |
686 | HV *stash = gv_stashsv (*av_fetch (av, 0, 1), 0); |
1200 | HV *stash = gv_stashsv (*av_fetch (av, 0, 1), 0); |
687 | |
1201 | |
688 | if (!stash) |
1202 | if (!stash) |
689 | ERR ("cannot decode perl-object (package does not exist)"); |
1203 | ERR ("cannot decode perl-object (package does not exist)"); |
690 | |
1204 | |
691 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
1205 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
692 | |
1206 | |
693 | if (!method) |
1207 | if (!method) |
694 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
1208 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
695 | |
1209 | |
696 | dSP; |
1210 | dSP; |
697 | |
1211 | |
698 | ENTER; SAVETMPS; PUSHMARK (SP); |
1212 | ENTER; SAVETMPS; |
|
|
1213 | PUSHMARK (SP); |
699 | EXTEND (SP, len + 1); |
1214 | EXTEND (SP, len + 1); |
700 | // we re-bless the reference to get overload and other niceties right |
1215 | // we re-bless the reference to get overload and other niceties right |
701 | PUSHs (*av_fetch (av, 0, 1)); |
1216 | PUSHs (*av_fetch (av, 0, 1)); |
702 | PUSHs (sv_cbor); |
1217 | PUSHs (sv_cbor); |
703 | |
1218 | |
704 | int i; |
1219 | int i; |
705 | |
1220 | |
706 | for (i = 1; i < len; ++i) |
1221 | for (i = 1; i < len; ++i) |
707 | PUSHs (*av_fetch (av, i, 1)); |
1222 | PUSHs (*av_fetch (av, i, 1)); |
708 | |
1223 | |
709 | PUTBACK; |
1224 | PUTBACK; |
710 | call_sv ((SV *)GvCV (method), G_SCALAR); |
1225 | call_sv ((SV *)GvCV (method), G_SCALAR | G_EVAL); |
711 | SPAGAIN; |
1226 | SPAGAIN; |
712 | |
1227 | |
|
|
1228 | if (SvTRUE (ERRSV)) |
|
|
1229 | { |
|
|
1230 | FREETMPS; LEAVE; |
|
|
1231 | ERR_ERRSV; |
|
|
1232 | } |
|
|
1233 | |
|
|
1234 | SvREFCNT_dec_NN (sv); |
713 | sv = SvREFCNT_inc (POPs); |
1235 | sv = SvREFCNT_inc (POPs); |
714 | |
1236 | |
715 | PUTBACK; |
1237 | PUTBACK; |
716 | |
1238 | |
717 | FREETMPS; LEAVE; |
1239 | FREETMPS; LEAVE; |
|
|
1240 | } |
|
|
1241 | break; |
718 | |
1242 | |
719 | return sv; |
1243 | default: |
720 | } |
1244 | filter: |
721 | else |
1245 | { |
722 | { |
1246 | SV *tag_sv = newSVuv (tag); |
|
|
1247 | |
|
|
1248 | sv = decode_sv (dec); |
|
|
1249 | |
|
|
1250 | dSP; |
|
|
1251 | ENTER; SAVETMPS; |
|
|
1252 | PUSHMARK (SP); |
|
|
1253 | EXTEND (SP, 2); |
|
|
1254 | PUSHs (tag_sv); |
|
|
1255 | PUSHs (sv); |
|
|
1256 | |
|
|
1257 | PUTBACK; |
|
|
1258 | int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); |
|
|
1259 | SPAGAIN; |
|
|
1260 | |
|
|
1261 | if (SvTRUE (ERRSV)) |
|
|
1262 | { |
|
|
1263 | SvREFCNT_dec_NN (tag_sv); |
|
|
1264 | FREETMPS; LEAVE; |
|
|
1265 | ERR_ERRSV; |
|
|
1266 | } |
|
|
1267 | |
|
|
1268 | if (count) |
|
|
1269 | { |
|
|
1270 | SvREFCNT_dec_NN (tag_sv); |
|
|
1271 | SvREFCNT_dec_NN (sv); |
|
|
1272 | sv = SvREFCNT_inc_NN (TOPs); |
|
|
1273 | SP -= count; |
|
|
1274 | } |
|
|
1275 | else |
|
|
1276 | { |
723 | AV *av = newAV (); |
1277 | AV *av = newAV (); |
724 | av_push (av, newSVuv (tag)); |
1278 | av_push (av, tag_sv); |
725 | av_push (av, sv); |
1279 | av_push (av, sv); |
726 | |
1280 | |
727 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
1281 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
728 | ? cbor_tagged_stash |
1282 | ? cbor_tagged_stash |
729 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
1283 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
730 | |
|
|
731 | return sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
1284 | sv = sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
|
|
1285 | } |
|
|
1286 | |
|
|
1287 | PUTBACK; |
|
|
1288 | |
|
|
1289 | FREETMPS; LEAVE; |
|
|
1290 | } |
|
|
1291 | break; |
732 | } |
1292 | } |
|
|
1293 | |
|
|
1294 | return sv; |
733 | |
1295 | |
734 | fail: |
1296 | fail: |
735 | SvREFCNT_dec (sv); |
1297 | SvREFCNT_dec (sv); |
736 | return &PL_sv_undef; |
1298 | return &PL_sv_undef; |
737 | } |
1299 | } |
… | |
… | |
739 | static SV * |
1301 | static SV * |
740 | decode_sv (dec_t *dec) |
1302 | decode_sv (dec_t *dec) |
741 | { |
1303 | { |
742 | WANT (1); |
1304 | WANT (1); |
743 | |
1305 | |
744 | switch (*dec->cur >> 5) |
1306 | switch (*dec->cur >> MAJOR_SHIFT) |
745 | { |
1307 | { |
746 | case 0: // unsigned int |
1308 | case MAJOR_POS_INT >> MAJOR_SHIFT: return newSVuv (decode_uint (dec)); |
747 | return newSVuv (decode_uint (dec)); |
1309 | case MAJOR_NEG_INT >> MAJOR_SHIFT: return newSViv (-1 - (IV)decode_uint (dec)); |
748 | case 1: // negative int |
1310 | case MAJOR_BYTES >> MAJOR_SHIFT: return decode_str (dec, 0); |
749 | return newSViv (-1 - (IV)decode_uint (dec)); |
1311 | case MAJOR_TEXT >> MAJOR_SHIFT: return decode_str (dec, 1); |
750 | case 2: // octet string |
1312 | case MAJOR_ARRAY >> MAJOR_SHIFT: return decode_av (dec); |
751 | return decode_str (dec, 0); |
1313 | case MAJOR_MAP >> MAJOR_SHIFT: return decode_hv (dec); |
752 | case 3: // utf-8 string |
1314 | case MAJOR_TAG >> MAJOR_SHIFT: return decode_tagged (dec); |
753 | return decode_str (dec, 1); |
1315 | |
754 | case 4: // array |
1316 | case MAJOR_MISC >> MAJOR_SHIFT: |
755 | return decode_av (dec); |
|
|
756 | case 5: // map |
|
|
757 | return decode_hv (dec); |
|
|
758 | case 6: // tag |
|
|
759 | return decode_tagged (dec); |
|
|
760 | case 7: // misc |
|
|
761 | switch (*dec->cur++ & 31) |
1317 | switch (*dec->cur++ & MINOR_MASK) |
762 | { |
1318 | { |
763 | case 20: |
1319 | case SIMPLE_FALSE: |
764 | #if CBOR_SLOW |
1320 | #if CBOR_SLOW |
765 | types_false = get_bool ("Types::Serialiser::false"); |
1321 | types_false = get_bool ("Types::Serialiser::false"); |
766 | #endif |
1322 | #endif |
767 | return newSVsv (types_false); |
1323 | return newSVsv (types_false); |
768 | case 21: |
1324 | case SIMPLE_TRUE: |
769 | #if CBOR_SLOW |
1325 | #if CBOR_SLOW |
770 | types_true = get_bool ("Types::Serialiser::true"); |
1326 | types_true = get_bool ("Types::Serialiser::true"); |
771 | #endif |
1327 | #endif |
772 | return newSVsv (types_true); |
1328 | return newSVsv (types_true); |
773 | case 22: |
1329 | case SIMPLE_NULL: |
774 | return newSVsv (&PL_sv_undef); |
1330 | return newSVsv (&PL_sv_undef); |
775 | case 23: |
1331 | case SIMPLE_UNDEF: |
776 | #if CBOR_SLOW |
1332 | #if CBOR_SLOW |
777 | types_error = get_bool ("Types::Serialiser::error"); |
1333 | types_error = get_bool ("Types::Serialiser::error"); |
778 | #endif |
1334 | #endif |
779 | return newSVsv (types_error); |
1335 | return newSVsv (types_error); |
780 | |
1336 | |
781 | case 25: |
1337 | case MISC_FLOAT16: |
782 | { |
1338 | { |
783 | WANT (2); |
1339 | WANT (2); |
784 | |
1340 | |
785 | uint16_t fp = (dec->cur[0] << 8) | dec->cur[1]; |
1341 | uint16_t fp = (dec->cur[0] << 8) | dec->cur[1]; |
786 | dec->cur += 2; |
1342 | dec->cur += 2; |
787 | |
1343 | |
788 | return newSVnv (ecb_binary16_to_float (fp)); |
1344 | return newSVnv (ecb_binary16_to_float (fp)); |
789 | } |
1345 | } |
790 | |
1346 | |
791 | case 26: |
1347 | case MISC_FLOAT32: |
792 | { |
1348 | { |
793 | uint32_t fp; |
1349 | uint32_t fp; |
794 | WANT (4); |
1350 | WANT (4); |
795 | memcpy (&fp, dec->cur, 4); |
1351 | memcpy (&fp, dec->cur, 4); |
796 | dec->cur += 4; |
1352 | dec->cur += 4; |
… | |
… | |
799 | fp = ecb_bswap32 (fp); |
1355 | fp = ecb_bswap32 (fp); |
800 | |
1356 | |
801 | return newSVnv (ecb_binary32_to_float (fp)); |
1357 | return newSVnv (ecb_binary32_to_float (fp)); |
802 | } |
1358 | } |
803 | |
1359 | |
804 | case 27: |
1360 | case MISC_FLOAT64: |
805 | { |
1361 | { |
806 | uint64_t fp; |
1362 | uint64_t fp; |
807 | WANT (8); |
1363 | WANT (8); |
808 | memcpy (&fp, dec->cur, 8); |
1364 | memcpy (&fp, dec->cur, 8); |
809 | dec->cur += 8; |
1365 | dec->cur += 8; |
… | |
… | |
812 | fp = ecb_bswap64 (fp); |
1368 | fp = ecb_bswap64 (fp); |
813 | |
1369 | |
814 | return newSVnv (ecb_binary64_to_double (fp)); |
1370 | return newSVnv (ecb_binary64_to_double (fp)); |
815 | } |
1371 | } |
816 | |
1372 | |
817 | // 0..19 unassigned |
1373 | // 0..19 unassigned simple |
818 | // 24 reserved + unassigned (reserved values are not encodable) |
1374 | // 24 reserved + unassigned simple (reserved values are not encodable) |
|
|
1375 | // 28-30 unassigned misc |
|
|
1376 | // 31 break code |
819 | default: |
1377 | default: |
820 | ERR ("corrupted CBOR data (reserved/unassigned major 7 value)"); |
1378 | ERR ("corrupted CBOR data (reserved/unassigned/unexpected major 7 value)"); |
821 | } |
1379 | } |
822 | |
1380 | |
823 | break; |
1381 | break; |
824 | } |
1382 | } |
825 | |
1383 | |
… | |
… | |
828 | } |
1386 | } |
829 | |
1387 | |
830 | static SV * |
1388 | static SV * |
831 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1389 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
832 | { |
1390 | { |
833 | dec_t dec; |
1391 | dec_t dec = { 0 }; |
834 | SV *sv; |
1392 | SV *sv; |
|
|
1393 | STRLEN len; |
|
|
1394 | char *data = SvPVbyte (string, len); |
835 | |
1395 | |
836 | /* work around bugs in 5.10 where manipulating magic values |
|
|
837 | * makes perl ignore the magic in subsequent accesses. |
|
|
838 | * also make a copy of non-PV values, to get them into a clean |
|
|
839 | * state (SvPV should do that, but it's buggy, see below). |
|
|
840 | */ |
|
|
841 | /*SvGETMAGIC (string);*/ |
|
|
842 | if (SvMAGICAL (string) || !SvPOK (string)) |
|
|
843 | string = sv_2mortal (newSVsv (string)); |
|
|
844 | |
|
|
845 | SvUPGRADE (string, SVt_PV); |
|
|
846 | |
|
|
847 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
|
|
848 | * assertion with -DDEBUGGING, although SvCUR is documented to |
|
|
849 | * return the xpv_cur field which certainly exists after upgrading. |
|
|
850 | * according to nicholas clark, calling SvPOK fixes this. |
|
|
851 | * But it doesn't fix it, so try another workaround, call SvPV_nolen |
|
|
852 | * and hope for the best. |
|
|
853 | * Damnit, SvPV_nolen still trips over yet another assertion. This |
|
|
854 | * assertion business is seriously broken, try yet another workaround |
|
|
855 | * for the broken -DDEBUGGING. |
|
|
856 | */ |
|
|
857 | { |
|
|
858 | #ifdef DEBUGGING |
|
|
859 | STRLEN offset = SvOK (string) ? sv_len (string) : 0; |
|
|
860 | #else |
|
|
861 | STRLEN offset = SvCUR (string); |
|
|
862 | #endif |
|
|
863 | |
|
|
864 | if (offset > cbor->max_size && cbor->max_size) |
1396 | if (len > cbor->max_size && cbor->max_size) |
865 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
1397 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
866 | (unsigned long)SvCUR (string), (unsigned long)cbor->max_size); |
1398 | (unsigned long)len, (unsigned long)cbor->max_size); |
867 | } |
|
|
868 | |
|
|
869 | sv_utf8_downgrade (string, 0); |
|
|
870 | |
1399 | |
871 | dec.cbor = *cbor; |
1400 | dec.cbor = *cbor; |
872 | dec.cur = (U8 *)SvPVX (string); |
1401 | dec.cur = (U8 *)data; |
873 | dec.end = (U8 *)SvEND (string); |
1402 | dec.end = (U8 *)data + len; |
874 | dec.err = 0; |
|
|
875 | dec.depth = 0; |
|
|
876 | |
1403 | |
877 | sv = decode_sv (&dec); |
1404 | sv = decode_sv (&dec); |
878 | |
1405 | |
879 | if (offset_return) |
1406 | if (offset_return) |
880 | *offset_return = dec.cur; |
1407 | *offset_return = dec.cur; |
… | |
… | |
883 | if (dec.cur != dec.end && !dec.err) |
1410 | if (dec.cur != dec.end && !dec.err) |
884 | dec.err = "garbage after CBOR object"; |
1411 | dec.err = "garbage after CBOR object"; |
885 | |
1412 | |
886 | if (dec.err) |
1413 | if (dec.err) |
887 | { |
1414 | { |
|
|
1415 | if (dec.shareable) |
|
|
1416 | { |
|
|
1417 | // need to break cyclic links, which would all be in shareable |
|
|
1418 | int i; |
|
|
1419 | SV **svp; |
|
|
1420 | |
|
|
1421 | for (i = av_len (dec.shareable) + 1; i--; ) |
|
|
1422 | if ((svp = av_fetch (dec.shareable, i, 0))) |
|
|
1423 | sv_setsv (*svp, &PL_sv_undef); |
|
|
1424 | } |
|
|
1425 | |
888 | SvREFCNT_dec (sv); |
1426 | SvREFCNT_dec_NN (sv); |
|
|
1427 | |
|
|
1428 | if (dec.err_sv) |
|
|
1429 | sv_2mortal (dec.err_sv); |
|
|
1430 | |
889 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)SvPVX (string), (int)(uint8_t)*dec.cur); |
1431 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
890 | } |
1432 | } |
891 | |
1433 | |
892 | sv = sv_2mortal (sv); |
1434 | sv = sv_2mortal (sv); |
893 | |
1435 | |
894 | return sv; |
1436 | return sv; |
895 | } |
1437 | } |
896 | |
1438 | |
|
|
1439 | ///////////////////////////////////////////////////////////////////////////// |
|
|
1440 | // incremental parser |
|
|
1441 | |
|
|
1442 | #define INCR_DONE(cbor) (AvFILLp (cbor->incr_count) < 0) |
|
|
1443 | |
|
|
1444 | // returns 0 for notyet, 1 for success or error |
|
|
1445 | static int |
|
|
1446 | incr_parse (CBOR *self, SV *cborstr) |
|
|
1447 | { |
|
|
1448 | STRLEN cur; |
|
|
1449 | SvPV (cborstr, cur); |
|
|
1450 | |
|
|
1451 | while (ecb_expect_true (self->incr_need <= cur)) |
|
|
1452 | { |
|
|
1453 | // table of integer count bytes |
|
|
1454 | static I8 incr_len[MINOR_MASK + 1] = { |
|
|
1455 | 0, 0, 0, 0, 0, 0, 0, 0, |
|
|
1456 | 0, 0, 0, 0, 0, 0, 0, 0, |
|
|
1457 | 0, 0, 0, 0, 0, 0, 0, 0, |
|
|
1458 | 1, 2, 4, 8,-1,-1,-1,-2 |
|
|
1459 | }; |
|
|
1460 | |
|
|
1461 | const U8 *p = SvPVX (cborstr) + self->incr_pos; |
|
|
1462 | U8 m = *p & MINOR_MASK; |
|
|
1463 | IV count = SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]); |
|
|
1464 | I8 ilen = incr_len[m]; |
|
|
1465 | |
|
|
1466 | self->incr_need = self->incr_pos + 1; |
|
|
1467 | |
|
|
1468 | if (ecb_expect_false (ilen < 0)) |
|
|
1469 | { |
|
|
1470 | if (m != MINOR_INDEF) |
|
|
1471 | return 1; // error |
|
|
1472 | |
|
|
1473 | if (*p == (MAJOR_MISC | MINOR_INDEF)) |
|
|
1474 | { |
|
|
1475 | if (count >= 0) |
|
|
1476 | return 1; // error |
|
|
1477 | |
|
|
1478 | count = 1; |
|
|
1479 | } |
|
|
1480 | else |
|
|
1481 | { |
|
|
1482 | av_push (self->incr_count, newSViv (-1)); //TODO: nest |
|
|
1483 | count = -1; |
|
|
1484 | } |
|
|
1485 | } |
|
|
1486 | else |
|
|
1487 | { |
|
|
1488 | self->incr_need += ilen; |
|
|
1489 | if (ecb_expect_false (self->incr_need > cur)) |
|
|
1490 | return 0; |
|
|
1491 | |
|
|
1492 | int major = *p >> MAJOR_SHIFT; |
|
|
1493 | |
|
|
1494 | switch (major) |
|
|
1495 | { |
|
|
1496 | case MAJOR_TAG >> MAJOR_SHIFT: |
|
|
1497 | ++count; // tags merely prefix another value |
|
|
1498 | break; |
|
|
1499 | |
|
|
1500 | case MAJOR_BYTES >> MAJOR_SHIFT: |
|
|
1501 | case MAJOR_TEXT >> MAJOR_SHIFT: |
|
|
1502 | case MAJOR_ARRAY >> MAJOR_SHIFT: |
|
|
1503 | case MAJOR_MAP >> MAJOR_SHIFT: |
|
|
1504 | { |
|
|
1505 | UV len; |
|
|
1506 | |
|
|
1507 | if (ecb_expect_false (ilen)) |
|
|
1508 | { |
|
|
1509 | len = 0; |
|
|
1510 | |
|
|
1511 | do { |
|
|
1512 | len = (len << 8) | *++p; |
|
|
1513 | } while (--ilen); |
|
|
1514 | } |
|
|
1515 | else |
|
|
1516 | len = m; |
|
|
1517 | |
|
|
1518 | switch (major) |
|
|
1519 | { |
|
|
1520 | case MAJOR_BYTES >> MAJOR_SHIFT: |
|
|
1521 | case MAJOR_TEXT >> MAJOR_SHIFT: |
|
|
1522 | self->incr_need += len; |
|
|
1523 | if (ecb_expect_false (self->incr_need > cur)) |
|
|
1524 | return 0; |
|
|
1525 | |
|
|
1526 | break; |
|
|
1527 | |
|
|
1528 | case MAJOR_MAP >> MAJOR_SHIFT: |
|
|
1529 | len <<= 1; |
|
|
1530 | case MAJOR_ARRAY >> MAJOR_SHIFT: |
|
|
1531 | if (len) |
|
|
1532 | { |
|
|
1533 | av_push (self->incr_count, newSViv (len + 1)); //TODO: nest |
|
|
1534 | count = len + 1; |
|
|
1535 | } |
|
|
1536 | break; |
|
|
1537 | } |
|
|
1538 | } |
|
|
1539 | } |
|
|
1540 | } |
|
|
1541 | |
|
|
1542 | self->incr_pos = self->incr_need; |
|
|
1543 | |
|
|
1544 | if (count > 0) |
|
|
1545 | { |
|
|
1546 | while (!--count) |
|
|
1547 | { |
|
|
1548 | if (!AvFILLp (self->incr_count)) |
|
|
1549 | return 1; // done |
|
|
1550 | |
|
|
1551 | SvREFCNT_dec_NN (av_pop (self->incr_count)); |
|
|
1552 | count = SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]); |
|
|
1553 | } |
|
|
1554 | |
|
|
1555 | SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]) = count; |
|
|
1556 | } |
|
|
1557 | } |
|
|
1558 | |
|
|
1559 | return 0; |
|
|
1560 | } |
|
|
1561 | |
|
|
1562 | |
897 | ///////////////////////////////////////////////////////////////////////////// |
1563 | ///////////////////////////////////////////////////////////////////////////// |
898 | // XS interface functions |
1564 | // XS interface functions |
899 | |
1565 | |
900 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
1566 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
901 | |
1567 | |
… | |
… | |
909 | |
1575 | |
910 | types_true = get_bool ("Types::Serialiser::true" ); |
1576 | types_true = get_bool ("Types::Serialiser::true" ); |
911 | types_false = get_bool ("Types::Serialiser::false"); |
1577 | types_false = get_bool ("Types::Serialiser::false"); |
912 | types_error = get_bool ("Types::Serialiser::error"); |
1578 | types_error = get_bool ("Types::Serialiser::error"); |
913 | |
1579 | |
|
|
1580 | default_filter = newSVpv ("CBOR::XS::default_filter", 0); |
|
|
1581 | |
914 | sv_cbor = newSVpv ("CBOR", 0); |
1582 | sv_cbor = newSVpv ("CBOR", 0); |
915 | SvREADONLY_on (sv_cbor); |
1583 | SvREADONLY_on (sv_cbor); |
|
|
1584 | |
|
|
1585 | assert (("STRLEN must be an unsigned type", 0 <= (STRLEN)-1)); |
916 | } |
1586 | } |
917 | |
1587 | |
918 | PROTOTYPES: DISABLE |
1588 | PROTOTYPES: DISABLE |
919 | |
1589 | |
920 | void CLONE (...) |
1590 | void CLONE (...) |
… | |
… | |
938 | |
1608 | |
939 | void shrink (CBOR *self, int enable = 1) |
1609 | void shrink (CBOR *self, int enable = 1) |
940 | ALIAS: |
1610 | ALIAS: |
941 | shrink = F_SHRINK |
1611 | shrink = F_SHRINK |
942 | allow_unknown = F_ALLOW_UNKNOWN |
1612 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
1613 | allow_sharing = F_ALLOW_SHARING |
|
|
1614 | allow_cycles = F_ALLOW_CYCLES |
|
|
1615 | forbid_objects = F_FORBID_OBJECTS |
|
|
1616 | pack_strings = F_PACK_STRINGS |
|
|
1617 | text_keys = F_TEXT_KEYS |
|
|
1618 | text_strings = F_TEXT_STRINGS |
|
|
1619 | validate_utf8 = F_VALIDATE_UTF8 |
943 | PPCODE: |
1620 | PPCODE: |
944 | { |
1621 | { |
945 | if (enable) |
1622 | if (enable) |
946 | self->flags |= ix; |
1623 | self->flags |= ix; |
947 | else |
1624 | else |
… | |
… | |
952 | |
1629 | |
953 | void get_shrink (CBOR *self) |
1630 | void get_shrink (CBOR *self) |
954 | ALIAS: |
1631 | ALIAS: |
955 | get_shrink = F_SHRINK |
1632 | get_shrink = F_SHRINK |
956 | get_allow_unknown = F_ALLOW_UNKNOWN |
1633 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
1634 | get_allow_sharing = F_ALLOW_SHARING |
|
|
1635 | get_allow_cycles = F_ALLOW_CYCLES |
|
|
1636 | get_forbid_objects = F_FORBID_OBJECTS |
|
|
1637 | get_pack_strings = F_PACK_STRINGS |
|
|
1638 | get_text_keys = F_TEXT_KEYS |
|
|
1639 | get_text_strings = F_TEXT_STRINGS |
|
|
1640 | get_validate_utf8 = F_VALIDATE_UTF8 |
957 | PPCODE: |
1641 | PPCODE: |
958 | XPUSHs (boolSV (self->flags & ix)); |
1642 | XPUSHs (boolSV (self->flags & ix)); |
959 | |
1643 | |
960 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
1644 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
961 | PPCODE: |
1645 | PPCODE: |
… | |
… | |
977 | CODE: |
1661 | CODE: |
978 | RETVAL = self->max_size; |
1662 | RETVAL = self->max_size; |
979 | OUTPUT: |
1663 | OUTPUT: |
980 | RETVAL |
1664 | RETVAL |
981 | |
1665 | |
982 | #if 0 //TODO |
1666 | void filter (CBOR *self, SV *filter = 0) |
983 | |
|
|
984 | void filter_cbor_object (CBOR *self, SV *cb = &PL_sv_undef) |
|
|
985 | PPCODE: |
1667 | PPCODE: |
986 | { |
|
|
987 | SvREFCNT_dec (self->cb_object); |
1668 | SvREFCNT_dec (self->filter); |
988 | self->cb_object = SvOK (cb) ? newSVsv (cb) : 0; |
1669 | self->filter = filter ? newSVsv (filter) : filter; |
989 | |
|
|
990 | XPUSHs (ST (0)); |
1670 | XPUSHs (ST (0)); |
991 | } |
|
|
992 | |
1671 | |
993 | void filter_cbor_single_key_object (CBOR *self, SV *key, SV *cb = &PL_sv_undef) |
1672 | SV *get_filter (CBOR *self) |
994 | PPCODE: |
1673 | CODE: |
995 | { |
1674 | RETVAL = self->filter ? self->filter : NEWSV (0, 0); |
996 | if (!self->cb_sk_object) |
1675 | OUTPUT: |
997 | self->cb_sk_object = newHV (); |
1676 | RETVAL |
998 | |
|
|
999 | if (SvOK (cb)) |
|
|
1000 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
|
|
1001 | else |
|
|
1002 | { |
|
|
1003 | hv_delete_ent (self->cb_sk_object, key, G_DISCARD, 0); |
|
|
1004 | |
|
|
1005 | if (!HvKEYS (self->cb_sk_object)) |
|
|
1006 | { |
|
|
1007 | SvREFCNT_dec (self->cb_sk_object); |
|
|
1008 | self->cb_sk_object = 0; |
|
|
1009 | } |
|
|
1010 | } |
|
|
1011 | |
|
|
1012 | XPUSHs (ST (0)); |
|
|
1013 | } |
|
|
1014 | |
|
|
1015 | #endif |
|
|
1016 | |
1677 | |
1017 | void encode (CBOR *self, SV *scalar) |
1678 | void encode (CBOR *self, SV *scalar) |
1018 | PPCODE: |
1679 | PPCODE: |
1019 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
1680 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
1020 | XPUSHs (scalar); |
1681 | XPUSHs (scalar); |
… | |
… | |
1033 | EXTEND (SP, 2); |
1694 | EXTEND (SP, 2); |
1034 | PUSHs (sv); |
1695 | PUSHs (sv); |
1035 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1696 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1036 | } |
1697 | } |
1037 | |
1698 | |
1038 | #if 0 |
1699 | void incr_parse (CBOR *self, SV *cborstr) |
|
|
1700 | ALIAS: |
|
|
1701 | incr_parse_multiple = 1 |
|
|
1702 | PPCODE: |
|
|
1703 | { |
|
|
1704 | if (SvUTF8 (cborstr)) |
|
|
1705 | sv_utf8_downgrade (cborstr, 0); |
|
|
1706 | |
|
|
1707 | if (!self->incr_count) |
|
|
1708 | { |
|
|
1709 | self->incr_count = newAV (); |
|
|
1710 | self->incr_pos = 0; |
|
|
1711 | self->incr_need = 1; |
|
|
1712 | |
|
|
1713 | av_push (self->incr_count, newSViv (1)); |
|
|
1714 | } |
|
|
1715 | |
|
|
1716 | do |
|
|
1717 | { |
|
|
1718 | if (!incr_parse (self, cborstr)) |
|
|
1719 | { |
|
|
1720 | if (self->incr_need > self->max_size && self->max_size) |
|
|
1721 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
|
|
1722 | (unsigned long)self->incr_need, (unsigned long)self->max_size); |
|
|
1723 | |
|
|
1724 | break; |
|
|
1725 | } |
|
|
1726 | |
|
|
1727 | SV *sv; |
|
|
1728 | char *offset; |
|
|
1729 | |
|
|
1730 | PUTBACK; sv = decode_cbor (cborstr, self, &offset); SPAGAIN; |
|
|
1731 | XPUSHs (sv); |
|
|
1732 | |
|
|
1733 | sv_chop (cborstr, offset); |
|
|
1734 | |
|
|
1735 | av_clear (self->incr_count); |
|
|
1736 | av_push (self->incr_count, newSViv (1)); |
|
|
1737 | |
|
|
1738 | self->incr_pos = 0; |
|
|
1739 | self->incr_need = self->incr_pos + 1; |
|
|
1740 | } |
|
|
1741 | while (ix); |
|
|
1742 | } |
|
|
1743 | |
|
|
1744 | void incr_reset (CBOR *self) |
|
|
1745 | CODE: |
|
|
1746 | { |
|
|
1747 | SvREFCNT_dec (self->incr_count); |
|
|
1748 | self->incr_count = 0; |
|
|
1749 | } |
1039 | |
1750 | |
1040 | void DESTROY (CBOR *self) |
1751 | void DESTROY (CBOR *self) |
1041 | CODE: |
1752 | PPCODE: |
1042 | SvREFCNT_dec (self->cb_sk_object); |
1753 | cbor_free (self); |
1043 | SvREFCNT_dec (self->cb_object); |
|
|
1044 | |
|
|
1045 | #endif |
|
|
1046 | |
1754 | |
1047 | PROTOTYPES: ENABLE |
1755 | PROTOTYPES: ENABLE |
1048 | |
1756 | |
1049 | void encode_cbor (SV *scalar) |
1757 | void encode_cbor (SV *scalar) |
|
|
1758 | ALIAS: |
|
|
1759 | encode_cbor = 0 |
|
|
1760 | encode_cbor_sharing = F_ALLOW_SHARING |
1050 | PPCODE: |
1761 | PPCODE: |
1051 | { |
1762 | { |
1052 | CBOR cbor; |
1763 | CBOR cbor; |
1053 | cbor_init (&cbor); |
1764 | cbor_init (&cbor); |
|
|
1765 | cbor.flags |= ix; |
1054 | PUTBACK; scalar = encode_cbor (scalar, &cbor); SPAGAIN; |
1766 | PUTBACK; scalar = encode_cbor (scalar, &cbor); SPAGAIN; |
1055 | XPUSHs (scalar); |
1767 | XPUSHs (scalar); |
1056 | } |
1768 | } |
1057 | |
1769 | |
1058 | void decode_cbor (SV *cborstr) |
1770 | void decode_cbor (SV *cborstr) |
… | |
… | |
1062 | cbor_init (&cbor); |
1774 | cbor_init (&cbor); |
1063 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
1775 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
1064 | XPUSHs (cborstr); |
1776 | XPUSHs (cborstr); |
1065 | } |
1777 | } |
1066 | |
1778 | |
|
|
1779 | #ifdef __AFL_COMPILER |
|
|
1780 | |
|
|
1781 | void |
|
|
1782 | afl_init () |
|
|
1783 | CODE: |
|
|
1784 | __AFL_INIT (); |
|
|
1785 | |
|
|
1786 | int |
|
|
1787 | afl_loop (unsigned int count = 10000) |
|
|
1788 | CODE: |
|
|
1789 | RETVAL = __AFL_LOOP (count); |
|
|
1790 | OUTPUT: |
|
|
1791 | RETVAL |
|
|
1792 | |
|
|
1793 | #endif |
|
|
1794 | |