… | |
… | |
9 | #include <limits.h> |
9 | #include <limits.h> |
10 | #include <float.h> |
10 | #include <float.h> |
11 | |
11 | |
12 | #include "ecb.h" |
12 | #include "ecb.h" |
13 | |
13 | |
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14 | // compatibility with perl <5.18 |
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15 | #ifndef HvNAMELEN_get |
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16 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
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17 | #endif |
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18 | #ifndef HvNAMELEN |
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19 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
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20 | #endif |
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21 | #ifndef HvNAMEUTF8 |
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22 | # define HvNAMEUTF8(hv) 0 |
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23 | #endif |
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24 | #ifndef SvREFCNT_dec_NN |
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25 | # define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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26 | #endif |
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27 | |
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28 | // known major and minor types |
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29 | enum cbor_type |
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30 | { |
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31 | MAJOR_SHIFT = 5, |
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32 | MINOR_MASK = 0x1f, |
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33 | |
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34 | MAJOR_POS_INT = 0 << MAJOR_SHIFT, |
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35 | MAJOR_NEG_INT = 1 << MAJOR_SHIFT, |
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36 | MAJOR_BYTES = 2 << MAJOR_SHIFT, |
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37 | MAJOR_TEXT = 3 << MAJOR_SHIFT, |
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38 | MAJOR_ARRAY = 4 << MAJOR_SHIFT, |
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39 | MAJOR_MAP = 5 << MAJOR_SHIFT, |
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40 | MAJOR_TAG = 6 << MAJOR_SHIFT, |
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41 | MAJOR_MISC = 7 << MAJOR_SHIFT, |
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42 | |
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43 | // INT/STRING/ARRAY/MAP subtypes |
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44 | LENGTH_EXT1 = 24, |
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45 | LENGTH_EXT2 = 25, |
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46 | LENGTH_EXT4 = 26, |
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47 | LENGTH_EXT8 = 27, |
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48 | |
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49 | // SIMPLE types (effectively MISC subtypes) |
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50 | SIMPLE_FALSE = 20, |
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51 | SIMPLE_TRUE = 21, |
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52 | SIMPLE_NULL = 22, |
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53 | SIMPLE_UNDEF = 23, |
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54 | |
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55 | // MISC subtype (unused) |
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56 | MISC_EXT1 = 24, |
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57 | MISC_FLOAT16 = 25, |
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58 | MISC_FLOAT32 = 26, |
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59 | MISC_FLOAT64 = 27, |
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60 | |
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61 | // BYTES/TEXT/ARRAY/MAP |
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62 | MINOR_INDEF = 31, |
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63 | }; |
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64 | |
14 | // known tags |
65 | // known tags |
15 | enum cbor_tag |
66 | enum cbor_tag |
16 | { |
67 | { |
17 | // inofficial extensions (pending iana registration) |
68 | // extensions |
18 | CBOR_TAG_PERL_OBJECT = 256, |
69 | CBOR_TAG_STRINGREF = 25, // http://cbor.schmorp.de/stringref |
19 | CBOR_TAG_GENERIC_OBJECT = 257, |
70 | CBOR_TAG_PERL_OBJECT = 26, // http://cbor.schmorp.de/perl-object |
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71 | CBOR_TAG_GENERIC_OBJECT = 27, // http://cbor.schmorp.de/generic-object |
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72 | CBOR_TAG_VALUE_SHAREABLE = 28, // http://cbor.schmorp.de/value-sharing |
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73 | CBOR_TAG_VALUE_SHAREDREF = 29, // http://cbor.schmorp.de/value-sharing |
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74 | CBOR_TAG_STRINGREF_NAMESPACE = 256, // http://cbor.schmorp.de/stringref |
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75 | CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection |
20 | |
76 | |
21 | // rfc7049 |
77 | // rfc7049 |
22 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
78 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
23 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
79 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
24 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
80 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
25 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
81 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
26 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
82 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
27 | CBOR_TAG_BIGFLOAT = 5, // array |
83 | CBOR_TAG_BIGFLOAT = 5, // array |
28 | |
84 | |
29 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
85 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
30 | CBOR_TAG_CONV_B64 = 22, // base64, any |
86 | CBOR_TAG_CONV_B64 = 22, // base64, any |
31 | CBOR_TAG_CONV_HEX = 23, // base16, any |
87 | CBOR_TAG_CONV_HEX = 23, // base16, any |
32 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
88 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
33 | |
89 | |
34 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
90 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
35 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
91 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
36 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
92 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
37 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
93 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
38 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
94 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
39 | |
95 | |
40 | CBOR_TAG_MAGIC = 55799 // self-describe cbor |
96 | CBOR_TAG_MAGIC = 55799, // self-describe cbor |
41 | }; |
97 | }; |
42 | |
98 | |
43 | #define F_SHRINK 0x00000200UL |
99 | #define F_SHRINK 0x00000001UL |
44 | #define F_ALLOW_UNKNOWN 0x00002000UL |
100 | #define F_ALLOW_UNKNOWN 0x00000002UL |
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101 | #define F_ALLOW_SHARING 0x00000004UL |
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102 | #define F_ALLOW_CYCLES 0x00000008UL |
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103 | #define F_PACK_STRINGS 0x00000010UL |
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104 | #define F_VALIDATE_UTF8 0x00000020UL |
45 | |
105 | |
46 | #define INIT_SIZE 32 // initial scalar size to be allocated |
106 | #define INIT_SIZE 32 // initial scalar size to be allocated |
47 | |
107 | |
48 | #define SB do { |
108 | #define SB do { |
49 | #define SE } while (0) |
109 | #define SE } while (0) |
… | |
… | |
61 | # define CBOR_SLOW 0 |
121 | # define CBOR_SLOW 0 |
62 | # define CBOR_STASH cbor_stash |
122 | # define CBOR_STASH cbor_stash |
63 | #endif |
123 | #endif |
64 | |
124 | |
65 | static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS:: |
125 | static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS:: |
66 | static SV *types_true, *types_false, *types_error; |
126 | static SV *types_true, *types_false, *types_error, *sv_cbor, *default_filter; |
67 | |
127 | |
68 | typedef struct { |
128 | typedef struct { |
69 | U32 flags; |
129 | U32 flags; |
70 | U32 max_depth; |
130 | U32 max_depth; |
71 | STRLEN max_size; |
131 | STRLEN max_size; |
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132 | SV *filter; |
72 | } CBOR; |
133 | } CBOR; |
73 | |
134 | |
74 | ecb_inline void |
135 | ecb_inline void |
75 | cbor_init (CBOR *cbor) |
136 | cbor_init (CBOR *cbor) |
76 | { |
137 | { |
77 | Zero (cbor, 1, CBOR); |
138 | Zero (cbor, 1, CBOR); |
78 | cbor->max_depth = 512; |
139 | cbor->max_depth = 512; |
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140 | } |
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141 | |
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142 | ecb_inline void |
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143 | cbor_free (CBOR *cbor) |
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144 | { |
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145 | SvREFCNT_dec (cbor->filter); |
79 | } |
146 | } |
80 | |
147 | |
81 | ///////////////////////////////////////////////////////////////////////////// |
148 | ///////////////////////////////////////////////////////////////////////////// |
82 | // utility functions |
149 | // utility functions |
83 | |
150 | |
… | |
… | |
105 | SvPV_renew (sv, SvCUR (sv) + 1); |
172 | SvPV_renew (sv, SvCUR (sv) + 1); |
106 | #endif |
173 | #endif |
107 | } |
174 | } |
108 | } |
175 | } |
109 | |
176 | |
110 | ///////////////////////////////////////////////////////////////////////////// |
177 | // minimum length of a string to be registered for stringref |
111 | // fp hell |
178 | ecb_inline int |
112 | |
179 | minimum_string_length (UV idx) |
113 | //TODO |
180 | { |
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181 | return idx > 23 |
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182 | ? idx > 0xffU |
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183 | ? idx > 0xffffU |
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184 | ? idx > 0xffffffffU |
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185 | ? 11 |
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186 | : 7 |
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187 | : 5 |
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188 | : 4 |
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189 | : 3; |
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190 | } |
114 | |
191 | |
115 | ///////////////////////////////////////////////////////////////////////////// |
192 | ///////////////////////////////////////////////////////////////////////////// |
116 | // encoder |
193 | // encoder |
117 | |
194 | |
118 | // structure used for encoding CBOR |
195 | // structure used for encoding CBOR |
… | |
… | |
121 | char *cur; // SvPVX (sv) + current output position |
198 | char *cur; // SvPVX (sv) + current output position |
122 | char *end; // SvEND (sv) |
199 | char *end; // SvEND (sv) |
123 | SV *sv; // result scalar |
200 | SV *sv; // result scalar |
124 | CBOR cbor; |
201 | CBOR cbor; |
125 | U32 depth; // recursion level |
202 | U32 depth; // recursion level |
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203 | HV *stringref[2]; // string => index, or 0 ([0] = bytes, [1] = utf-8) |
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204 | UV stringref_idx; |
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205 | HV *shareable; // ptr => index, or 0 |
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206 | UV shareable_idx; |
126 | } enc_t; |
207 | } enc_t; |
127 | |
208 | |
128 | ecb_inline void |
209 | ecb_inline void |
129 | need (enc_t *enc, STRLEN len) |
210 | need (enc_t *enc, STRLEN len) |
130 | { |
211 | { |
… | |
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147 | static void |
228 | static void |
148 | encode_uint (enc_t *enc, int major, UV len) |
229 | encode_uint (enc_t *enc, int major, UV len) |
149 | { |
230 | { |
150 | need (enc, 9); |
231 | need (enc, 9); |
151 | |
232 | |
152 | if (len < 24) |
233 | if (ecb_expect_true (len < LENGTH_EXT1)) |
153 | *enc->cur++ = major | len; |
234 | *enc->cur++ = major | len; |
154 | else if (len <= 0xff) |
235 | else if (ecb_expect_true (len <= 0xffU)) |
155 | { |
236 | { |
156 | *enc->cur++ = major | 24; |
237 | *enc->cur++ = major | LENGTH_EXT1; |
157 | *enc->cur++ = len; |
238 | *enc->cur++ = len; |
158 | } |
239 | } |
159 | else if (len <= 0xffff) |
240 | else if (len <= 0xffffU) |
160 | { |
241 | { |
161 | *enc->cur++ = major | 25; |
242 | *enc->cur++ = major | LENGTH_EXT2; |
162 | *enc->cur++ = len >> 8; |
243 | *enc->cur++ = len >> 8; |
163 | *enc->cur++ = len; |
244 | *enc->cur++ = len; |
164 | } |
245 | } |
165 | else if (len <= 0xffffffff) |
246 | else if (len <= 0xffffffffU) |
166 | { |
247 | { |
167 | *enc->cur++ = major | 26; |
248 | *enc->cur++ = major | LENGTH_EXT4; |
168 | *enc->cur++ = len >> 24; |
249 | *enc->cur++ = len >> 24; |
169 | *enc->cur++ = len >> 16; |
250 | *enc->cur++ = len >> 16; |
170 | *enc->cur++ = len >> 8; |
251 | *enc->cur++ = len >> 8; |
171 | *enc->cur++ = len; |
252 | *enc->cur++ = len; |
172 | } |
253 | } |
173 | else |
254 | else |
174 | { |
255 | { |
175 | *enc->cur++ = major | 27; |
256 | *enc->cur++ = major | LENGTH_EXT8; |
176 | *enc->cur++ = len >> 56; |
257 | *enc->cur++ = len >> 56; |
177 | *enc->cur++ = len >> 48; |
258 | *enc->cur++ = len >> 48; |
178 | *enc->cur++ = len >> 40; |
259 | *enc->cur++ = len >> 40; |
179 | *enc->cur++ = len >> 32; |
260 | *enc->cur++ = len >> 32; |
180 | *enc->cur++ = len >> 24; |
261 | *enc->cur++ = len >> 24; |
… | |
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182 | *enc->cur++ = len >> 8; |
263 | *enc->cur++ = len >> 8; |
183 | *enc->cur++ = len; |
264 | *enc->cur++ = len; |
184 | } |
265 | } |
185 | } |
266 | } |
186 | |
267 | |
187 | static void |
268 | ecb_inline void |
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269 | encode_tag (enc_t *enc, UV tag) |
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270 | { |
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271 | encode_uint (enc, MAJOR_TAG, tag); |
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272 | } |
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273 | |
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274 | ecb_inline void |
188 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
275 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
189 | { |
276 | { |
190 | encode_uint (enc, utf8 ? 0x60 : 0x40, len); |
277 | encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); |
191 | need (enc, len); |
278 | need (enc, len); |
192 | memcpy (enc->cur, str, len); |
279 | memcpy (enc->cur, str, len); |
193 | enc->cur += len; |
280 | enc->cur += len; |
194 | } |
281 | } |
195 | |
282 | |
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283 | static void |
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284 | encode_strref (enc_t *enc, int utf8, char *str, STRLEN len) |
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285 | { |
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286 | if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) |
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287 | { |
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288 | SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); |
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289 | |
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290 | if (SvOK (*svp)) |
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291 | { |
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292 | // already registered, use stringref |
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293 | encode_tag (enc, CBOR_TAG_STRINGREF); |
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294 | encode_uint (enc, MAJOR_POS_INT, SvUV (*svp)); |
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295 | return; |
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296 | } |
|
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297 | else if (len >= minimum_string_length (enc->stringref_idx)) |
|
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298 | { |
|
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299 | // register only |
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300 | sv_setuv (*svp, enc->stringref_idx); |
|
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301 | ++enc->stringref_idx; |
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302 | } |
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303 | } |
|
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304 | |
|
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305 | encode_str (enc, utf8, str, len); |
|
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306 | } |
|
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307 | |
196 | static void encode_sv (enc_t *enc, SV *sv); |
308 | static void encode_sv (enc_t *enc, SV *sv); |
197 | |
309 | |
198 | static void |
310 | static void |
199 | encode_av (enc_t *enc, AV *av) |
311 | encode_av (enc_t *enc, AV *av) |
200 | { |
312 | { |
… | |
… | |
203 | if (enc->depth >= enc->cbor.max_depth) |
315 | if (enc->depth >= enc->cbor.max_depth) |
204 | croak (ERR_NESTING_EXCEEDED); |
316 | croak (ERR_NESTING_EXCEEDED); |
205 | |
317 | |
206 | ++enc->depth; |
318 | ++enc->depth; |
207 | |
319 | |
208 | encode_uint (enc, 0x80, len + 1); |
320 | encode_uint (enc, MAJOR_ARRAY, len + 1); |
209 | |
321 | |
210 | for (i = 0; i <= len; ++i) |
322 | for (i = 0; i <= len; ++i) |
211 | { |
323 | { |
212 | SV **svp = av_fetch (av, i, 0); |
324 | SV **svp = av_fetch (av, i, 0); |
213 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
325 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
… | |
… | |
228 | |
340 | |
229 | int pairs = hv_iterinit (hv); |
341 | int pairs = hv_iterinit (hv); |
230 | int mg = SvMAGICAL (hv); |
342 | int mg = SvMAGICAL (hv); |
231 | |
343 | |
232 | if (mg) |
344 | if (mg) |
233 | encode_ch (enc, 0xa0 | 31); |
345 | encode_ch (enc, MAJOR_MAP | MINOR_INDEF); |
234 | else |
346 | else |
235 | encode_uint (enc, 0xa0, pairs); |
347 | encode_uint (enc, MAJOR_MAP, pairs); |
236 | |
348 | |
237 | while ((he = hv_iternext (hv))) |
349 | while ((he = hv_iternext (hv))) |
238 | { |
350 | { |
239 | if (HeKLEN (he) == HEf_SVKEY) |
351 | if (HeKLEN (he) == HEf_SVKEY) |
240 | encode_sv (enc, HeSVKEY (he)); |
352 | encode_sv (enc, HeSVKEY (he)); |
241 | else |
353 | else |
242 | encode_str (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
354 | encode_strref (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
243 | |
355 | |
244 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
356 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
245 | } |
357 | } |
246 | |
358 | |
247 | if (mg) |
359 | if (mg) |
248 | encode_ch (enc, 0xe0 | 31); |
360 | encode_ch (enc, MAJOR_MISC | MINOR_INDEF); |
249 | |
361 | |
250 | --enc->depth; |
362 | --enc->depth; |
251 | } |
363 | } |
252 | |
364 | |
253 | // encode objects, arrays and special \0=false and \1=true values. |
365 | // encode objects, arrays and special \0=false and \1=true values. |
254 | static void |
366 | static void |
255 | encode_rv (enc_t *enc, SV *sv) |
367 | encode_rv (enc_t *enc, SV *sv) |
256 | { |
368 | { |
257 | svtype svt; |
|
|
258 | |
|
|
259 | SvGETMAGIC (sv); |
369 | SvGETMAGIC (sv); |
|
|
370 | |
260 | svt = SvTYPE (sv); |
371 | svtype svt = SvTYPE (sv); |
261 | |
372 | |
262 | if (ecb_expect_false (SvOBJECT (sv))) |
373 | if (ecb_expect_false (SvOBJECT (sv))) |
263 | { |
374 | { |
264 | HV *boolean_stash = !CBOR_SLOW || types_boolean_stash |
375 | HV *boolean_stash = !CBOR_SLOW || types_boolean_stash |
265 | ? types_boolean_stash |
376 | ? types_boolean_stash |
… | |
… | |
269 | : gv_stashpv ("Types::Serialiser::Error", 1); |
380 | : gv_stashpv ("Types::Serialiser::Error", 1); |
270 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
381 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
271 | ? cbor_tagged_stash |
382 | ? cbor_tagged_stash |
272 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
383 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
273 | |
384 | |
|
|
385 | HV *stash = SvSTASH (sv); |
|
|
386 | |
274 | if (SvSTASH (sv) == boolean_stash) |
387 | if (stash == boolean_stash) |
275 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
388 | { |
|
|
389 | encode_ch (enc, SvIV (sv) ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE); |
|
|
390 | return; |
|
|
391 | } |
276 | else if (SvSTASH (sv) == error_stash) |
392 | else if (stash == error_stash) |
277 | encode_ch (enc, 0xe0 | 23); |
393 | { |
|
|
394 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
|
|
395 | return; |
|
|
396 | } |
278 | else if (SvSTASH (sv) == tagged_stash) |
397 | else if (stash == tagged_stash) |
279 | { |
398 | { |
280 | if (svt != SVt_PVAV) |
399 | if (svt != SVt_PVAV) |
281 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
400 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
282 | |
401 | |
283 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
402 | encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
284 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
403 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
|
|
404 | |
|
|
405 | return; |
|
|
406 | } |
|
|
407 | } |
|
|
408 | |
|
|
409 | if (ecb_expect_false (SvREFCNT (sv) > 1) |
|
|
410 | && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) |
|
|
411 | { |
|
|
412 | if (!enc->shareable) |
|
|
413 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
414 | |
|
|
415 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
|
|
416 | |
|
|
417 | if (SvOK (*svp)) |
|
|
418 | { |
|
|
419 | encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF); |
|
|
420 | encode_uint (enc, MAJOR_POS_INT, SvUV (*svp)); |
|
|
421 | return; |
285 | } |
422 | } |
286 | else |
423 | else |
287 | { |
424 | { |
|
|
425 | sv_setuv (*svp, enc->shareable_idx); |
|
|
426 | ++enc->shareable_idx; |
|
|
427 | encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE); |
|
|
428 | } |
|
|
429 | } |
|
|
430 | |
|
|
431 | if (ecb_expect_false (SvOBJECT (sv))) |
|
|
432 | { |
|
|
433 | HV *stash = SvSTASH (sv); |
|
|
434 | GV *method; |
|
|
435 | |
|
|
436 | if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
|
|
437 | { |
|
|
438 | dSP; |
|
|
439 | |
|
|
440 | ENTER; SAVETMPS; PUSHMARK (SP); |
288 | // we re-bless the reference to get overload and other niceties right |
441 | // we re-bless the reference to get overload and other niceties right |
289 | GV *to_cbor = gv_fetchmethod_autoload (SvSTASH (sv), "TO_CBOR", 0); |
|
|
290 | |
|
|
291 | if (to_cbor) |
|
|
292 | { |
|
|
293 | dSP; |
|
|
294 | |
|
|
295 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
296 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
442 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
297 | |
443 | |
298 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
299 | PUTBACK; |
444 | PUTBACK; |
|
|
445 | // G_SCALAR ensures that return value is 1 |
300 | call_sv ((SV *)GvCV (to_cbor), G_SCALAR); |
446 | call_sv ((SV *)GvCV (method), G_SCALAR); |
301 | SPAGAIN; |
447 | SPAGAIN; |
302 | |
448 | |
303 | // catch this surprisingly common error |
449 | // catch this surprisingly common error |
304 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
450 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
305 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
451 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (stash)); |
306 | |
452 | |
307 | sv = POPs; |
453 | encode_sv (enc, POPs); |
|
|
454 | |
308 | PUTBACK; |
455 | PUTBACK; |
309 | |
456 | |
310 | encode_sv (enc, sv); |
|
|
311 | |
|
|
312 | FREETMPS; LEAVE; |
457 | FREETMPS; LEAVE; |
313 | } |
458 | } |
|
|
459 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
|
|
460 | { |
|
|
461 | dSP; |
|
|
462 | |
|
|
463 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
464 | EXTEND (SP, 2); |
|
|
465 | // we re-bless the reference to get overload and other niceties right |
|
|
466 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
467 | PUSHs (sv_cbor); |
|
|
468 | |
|
|
469 | PUTBACK; |
|
|
470 | int count = call_sv ((SV *)GvCV (method), G_ARRAY); |
|
|
471 | SPAGAIN; |
|
|
472 | |
|
|
473 | // catch this surprisingly common error |
|
|
474 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
475 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
|
|
476 | |
|
|
477 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
|
|
478 | encode_uint (enc, MAJOR_ARRAY, count + 1); |
|
|
479 | encode_strref (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
|
|
480 | |
|
|
481 | while (count) |
|
|
482 | encode_sv (enc, SP[1 - count--]); |
|
|
483 | |
|
|
484 | PUTBACK; |
|
|
485 | |
|
|
486 | FREETMPS; LEAVE; |
|
|
487 | } |
314 | else |
488 | else |
315 | croak ("encountered object '%s', but no TO_CBOR method available on it", |
489 | croak ("encountered object '%s', but no TO_CBOR or FREEZE methods available on it", |
316 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
490 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
317 | } |
|
|
318 | } |
491 | } |
319 | else if (svt == SVt_PVHV) |
492 | else if (svt == SVt_PVHV) |
320 | encode_hv (enc, (HV *)sv); |
493 | encode_hv (enc, (HV *)sv); |
321 | else if (svt == SVt_PVAV) |
494 | else if (svt == SVt_PVAV) |
322 | encode_av (enc, (AV *)sv); |
495 | encode_av (enc, (AV *)sv); |
323 | else if (svt < SVt_PVAV) |
|
|
324 | { |
|
|
325 | STRLEN len = 0; |
|
|
326 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
327 | |
|
|
328 | if (len == 1 && *pv == '1') |
|
|
329 | encode_ch (enc, 0xe0 | 21); |
|
|
330 | else if (len == 1 && *pv == '0') |
|
|
331 | encode_ch (enc, 0xe0 | 20); |
|
|
332 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
|
333 | encode_ch (enc, 0xe0 | 23); |
|
|
334 | else |
|
|
335 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
|
|
336 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
337 | } |
|
|
338 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
|
339 | encode_ch (enc, 0xe0 | 23); |
|
|
340 | else |
496 | else |
341 | croak ("encountered %s, but CBOR can only represent references to arrays or hashes", |
497 | { |
342 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
498 | encode_tag (enc, CBOR_TAG_INDIRECTION); |
|
|
499 | encode_sv (enc, sv); |
|
|
500 | } |
343 | } |
501 | } |
344 | |
502 | |
345 | static void |
503 | static void |
346 | encode_nv (enc_t *enc, SV *sv) |
504 | encode_nv (enc_t *enc, SV *sv) |
347 | { |
505 | { |
348 | double nv = SvNVX (sv); |
506 | double nv = SvNVX (sv); |
349 | |
507 | |
350 | need (enc, 9); |
508 | need (enc, 9); |
351 | |
509 | |
352 | if (ecb_expect_false (nv == (U32)nv)) |
510 | if (ecb_expect_false (nv == (NV)(U32)nv)) |
353 | encode_uint (enc, 0x00, (U32)nv); |
511 | encode_uint (enc, MAJOR_POS_INT, (U32)nv); |
354 | //TODO: maybe I32? |
512 | //TODO: maybe I32? |
355 | else if (ecb_expect_false (nv == (float)nv)) |
513 | else if (ecb_expect_false (nv == (float)nv)) |
356 | { |
514 | { |
357 | uint32_t fp = ecb_float_to_binary32 (nv); |
515 | uint32_t fp = ecb_float_to_binary32 (nv); |
358 | |
516 | |
359 | *enc->cur++ = 0xe0 | 26; |
517 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT32; |
360 | |
518 | |
361 | if (!ecb_big_endian ()) |
519 | if (!ecb_big_endian ()) |
362 | fp = ecb_bswap32 (fp); |
520 | fp = ecb_bswap32 (fp); |
363 | |
521 | |
364 | memcpy (enc->cur, &fp, 4); |
522 | memcpy (enc->cur, &fp, 4); |
… | |
… | |
366 | } |
524 | } |
367 | else |
525 | else |
368 | { |
526 | { |
369 | uint64_t fp = ecb_double_to_binary64 (nv); |
527 | uint64_t fp = ecb_double_to_binary64 (nv); |
370 | |
528 | |
371 | *enc->cur++ = 0xe0 | 27; |
529 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT64; |
372 | |
530 | |
373 | if (!ecb_big_endian ()) |
531 | if (!ecb_big_endian ()) |
374 | fp = ecb_bswap64 (fp); |
532 | fp = ecb_bswap64 (fp); |
375 | |
533 | |
376 | memcpy (enc->cur, &fp, 8); |
534 | memcpy (enc->cur, &fp, 8); |
… | |
… | |
385 | |
543 | |
386 | if (SvPOKp (sv)) |
544 | if (SvPOKp (sv)) |
387 | { |
545 | { |
388 | STRLEN len; |
546 | STRLEN len; |
389 | char *str = SvPV (sv, len); |
547 | char *str = SvPV (sv, len); |
390 | encode_str (enc, SvUTF8 (sv), str, len); |
548 | encode_strref (enc, SvUTF8 (sv), str, len); |
391 | } |
549 | } |
392 | else if (SvNOKp (sv)) |
550 | else if (SvNOKp (sv)) |
393 | encode_nv (enc, sv); |
551 | encode_nv (enc, sv); |
394 | else if (SvIOKp (sv)) |
552 | else if (SvIOKp (sv)) |
395 | { |
553 | { |
396 | if (SvIsUV (sv)) |
554 | if (SvIsUV (sv)) |
397 | encode_uint (enc, 0x00, SvUVX (sv)); |
555 | encode_uint (enc, MAJOR_POS_INT, SvUVX (sv)); |
398 | else if (SvIVX (sv) >= 0) |
556 | else if (SvIVX (sv) >= 0) |
399 | encode_uint (enc, 0x00, SvIVX (sv)); |
557 | encode_uint (enc, MAJOR_POS_INT, SvIVX (sv)); |
400 | else |
558 | else |
401 | encode_uint (enc, 0x20, -(SvIVX (sv) + 1)); |
559 | encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1)); |
402 | } |
560 | } |
403 | else if (SvROK (sv)) |
561 | else if (SvROK (sv)) |
404 | encode_rv (enc, SvRV (sv)); |
562 | encode_rv (enc, SvRV (sv)); |
405 | else if (!SvOK (sv)) |
563 | else if (!SvOK (sv)) |
406 | encode_ch (enc, 0xe0 | 22); |
564 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
407 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
565 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
408 | encode_ch (enc, 0xe0 | 23); |
566 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
409 | else |
567 | else |
410 | croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data", |
568 | croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data", |
411 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
569 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
412 | } |
570 | } |
413 | |
571 | |
414 | static SV * |
572 | static SV * |
415 | encode_cbor (SV *scalar, CBOR *cbor) |
573 | encode_cbor (SV *scalar, CBOR *cbor) |
416 | { |
574 | { |
417 | enc_t enc; |
575 | enc_t enc = { }; |
418 | |
576 | |
419 | enc.cbor = *cbor; |
577 | enc.cbor = *cbor; |
420 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
578 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
421 | enc.cur = SvPVX (enc.sv); |
579 | enc.cur = SvPVX (enc.sv); |
422 | enc.end = SvEND (enc.sv); |
580 | enc.end = SvEND (enc.sv); |
423 | enc.depth = 0; |
|
|
424 | |
581 | |
425 | SvPOK_only (enc.sv); |
582 | SvPOK_only (enc.sv); |
|
|
583 | |
|
|
584 | if (cbor->flags & F_PACK_STRINGS) |
|
|
585 | { |
|
|
586 | encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE); |
|
|
587 | enc.stringref[0]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
588 | enc.stringref[1]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
589 | } |
|
|
590 | |
426 | encode_sv (&enc, scalar); |
591 | encode_sv (&enc, scalar); |
427 | |
592 | |
428 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
593 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
429 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
594 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
430 | |
595 | |
… | |
… | |
444 | U8 *end; // end of input string |
609 | U8 *end; // end of input string |
445 | const char *err; // parse error, if != 0 |
610 | const char *err; // parse error, if != 0 |
446 | CBOR cbor; |
611 | CBOR cbor; |
447 | U32 depth; // recursion depth |
612 | U32 depth; // recursion depth |
448 | U32 maxdepth; // recursion depth limit |
613 | U32 maxdepth; // recursion depth limit |
|
|
614 | AV *shareable; |
|
|
615 | AV *stringref; |
|
|
616 | SV *decode_tagged; |
449 | } dec_t; |
617 | } dec_t; |
450 | |
618 | |
451 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
619 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
452 | |
620 | |
453 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
621 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
… | |
… | |
456 | #define DEC_DEC_DEPTH --dec->depth |
624 | #define DEC_DEC_DEPTH --dec->depth |
457 | |
625 | |
458 | static UV |
626 | static UV |
459 | decode_uint (dec_t *dec) |
627 | decode_uint (dec_t *dec) |
460 | { |
628 | { |
461 | switch (*dec->cur & 31) |
629 | U8 m = *dec->cur & MINOR_MASK; |
462 | { |
630 | ++dec->cur; |
463 | case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: |
|
|
464 | case 8: case 9: case 10: case 11: case 12: case 13: case 14: case 15: |
|
|
465 | case 16: case 17: case 18: case 19: case 20: case 21: case 22: case 23: |
|
|
466 | return *dec->cur++ & 31; |
|
|
467 | |
631 | |
468 | case 24: |
632 | if (ecb_expect_true (m < LENGTH_EXT1)) |
|
|
633 | return m; |
|
|
634 | else if (ecb_expect_true (m == LENGTH_EXT1)) |
|
|
635 | { |
469 | WANT (2); |
636 | WANT (1); |
470 | dec->cur += 2; |
637 | dec->cur += 1; |
471 | return dec->cur[-1]; |
638 | return dec->cur[-1]; |
472 | |
639 | } |
473 | case 25: |
640 | else if (ecb_expect_true (m == LENGTH_EXT2)) |
|
|
641 | { |
474 | WANT (3); |
642 | WANT (2); |
475 | dec->cur += 3; |
643 | dec->cur += 2; |
476 | return (((UV)dec->cur[-2]) << 8) |
644 | return (((UV)dec->cur[-2]) << 8) |
477 | | ((UV)dec->cur[-1]); |
645 | | ((UV)dec->cur[-1]); |
478 | |
646 | } |
479 | case 26: |
647 | else if (ecb_expect_true (m == LENGTH_EXT4)) |
|
|
648 | { |
480 | WANT (5); |
649 | WANT (4); |
481 | dec->cur += 5; |
650 | dec->cur += 4; |
482 | return (((UV)dec->cur[-4]) << 24) |
651 | return (((UV)dec->cur[-4]) << 24) |
483 | | (((UV)dec->cur[-3]) << 16) |
652 | | (((UV)dec->cur[-3]) << 16) |
484 | | (((UV)dec->cur[-2]) << 8) |
653 | | (((UV)dec->cur[-2]) << 8) |
485 | | ((UV)dec->cur[-1]); |
654 | | ((UV)dec->cur[-1]); |
486 | |
655 | } |
487 | case 27: |
656 | else if (ecb_expect_true (m == LENGTH_EXT8)) |
|
|
657 | { |
488 | WANT (9); |
658 | WANT (8); |
489 | dec->cur += 9; |
659 | dec->cur += 8; |
|
|
660 | |
|
|
661 | return |
|
|
662 | #if UVSIZE < 8 |
|
|
663 | 0 |
|
|
664 | #else |
490 | return (((UV)dec->cur[-8]) << 56) |
665 | (((UV)dec->cur[-8]) << 56) |
491 | | (((UV)dec->cur[-7]) << 48) |
666 | | (((UV)dec->cur[-7]) << 48) |
492 | | (((UV)dec->cur[-6]) << 40) |
667 | | (((UV)dec->cur[-6]) << 40) |
493 | | (((UV)dec->cur[-5]) << 32) |
668 | | (((UV)dec->cur[-5]) << 32) |
|
|
669 | #endif |
494 | | (((UV)dec->cur[-4]) << 24) |
670 | | (((UV)dec->cur[-4]) << 24) |
495 | | (((UV)dec->cur[-3]) << 16) |
671 | | (((UV)dec->cur[-3]) << 16) |
496 | | (((UV)dec->cur[-2]) << 8) |
672 | | (((UV)dec->cur[-2]) << 8) |
497 | | ((UV)dec->cur[-1]); |
673 | | ((UV)dec->cur[-1]); |
498 | |
674 | } |
499 | default: |
675 | else |
500 | ERR ("corrupted CBOR data (unsupported integer minor encoding)"); |
676 | ERR ("corrupted CBOR data (unsupported integer minor encoding)"); |
501 | } |
|
|
502 | |
677 | |
503 | fail: |
678 | fail: |
504 | return 0; |
679 | return 0; |
505 | } |
680 | } |
506 | |
681 | |
… | |
… | |
511 | { |
686 | { |
512 | AV *av = newAV (); |
687 | AV *av = newAV (); |
513 | |
688 | |
514 | DEC_INC_DEPTH; |
689 | DEC_INC_DEPTH; |
515 | |
690 | |
516 | if ((*dec->cur & 31) == 31) |
691 | if (*dec->cur == (MAJOR_ARRAY | MINOR_INDEF)) |
517 | { |
692 | { |
518 | ++dec->cur; |
693 | ++dec->cur; |
519 | |
694 | |
520 | for (;;) |
695 | for (;;) |
521 | { |
696 | { |
522 | WANT (1); |
697 | WANT (1); |
523 | |
698 | |
524 | if (*dec->cur == (0xe0 | 31)) |
699 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
525 | { |
700 | { |
526 | ++dec->cur; |
701 | ++dec->cur; |
527 | break; |
702 | break; |
528 | } |
703 | } |
529 | |
704 | |
… | |
… | |
532 | } |
707 | } |
533 | else |
708 | else |
534 | { |
709 | { |
535 | int i, len = decode_uint (dec); |
710 | int i, len = decode_uint (dec); |
536 | |
711 | |
|
|
712 | WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays |
537 | av_fill (av, len - 1); |
713 | av_fill (av, len - 1); |
538 | |
714 | |
539 | for (i = 0; i < len; ++i) |
715 | for (i = 0; i < len; ++i) |
540 | AvARRAY (av)[i] = decode_sv (dec); |
716 | AvARRAY (av)[i] = decode_sv (dec); |
541 | } |
717 | } |
… | |
… | |
547 | SvREFCNT_dec (av); |
723 | SvREFCNT_dec (av); |
548 | DEC_DEC_DEPTH; |
724 | DEC_DEC_DEPTH; |
549 | return &PL_sv_undef; |
725 | return &PL_sv_undef; |
550 | } |
726 | } |
551 | |
727 | |
|
|
728 | static void |
|
|
729 | decode_he (dec_t *dec, HV *hv) |
|
|
730 | { |
|
|
731 | // for speed reasons, we specialcase single-string |
|
|
732 | // byte or utf-8 strings as keys, but only when !stringref |
|
|
733 | |
|
|
734 | if (ecb_expect_true (!dec->stringref)) |
|
|
735 | if (ecb_expect_true ((*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) |
|
|
736 | { |
|
|
737 | I32 len = decode_uint (dec); |
|
|
738 | char *key = (char *)dec->cur; |
|
|
739 | |
|
|
740 | dec->cur += len; |
|
|
741 | |
|
|
742 | hv_store (hv, key, len, decode_sv (dec), 0); |
|
|
743 | |
|
|
744 | return; |
|
|
745 | } |
|
|
746 | else if (ecb_expect_true ((*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) |
|
|
747 | { |
|
|
748 | I32 len = decode_uint (dec); |
|
|
749 | char *key = (char *)dec->cur; |
|
|
750 | |
|
|
751 | dec->cur += len; |
|
|
752 | |
|
|
753 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
|
|
754 | if (!is_utf8_string (key, len)) |
|
|
755 | ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); |
|
|
756 | |
|
|
757 | hv_store (hv, key, -len, decode_sv (dec), 0); |
|
|
758 | |
|
|
759 | return; |
|
|
760 | } |
|
|
761 | |
|
|
762 | SV *k = decode_sv (dec); |
|
|
763 | SV *v = decode_sv (dec); |
|
|
764 | |
|
|
765 | hv_store_ent (hv, k, v, 0); |
|
|
766 | SvREFCNT_dec (k); |
|
|
767 | |
|
|
768 | fail: |
|
|
769 | ; |
|
|
770 | } |
|
|
771 | |
552 | static SV * |
772 | static SV * |
553 | decode_hv (dec_t *dec) |
773 | decode_hv (dec_t *dec) |
554 | { |
774 | { |
555 | HV *hv = newHV (); |
775 | HV *hv = newHV (); |
556 | |
776 | |
557 | DEC_INC_DEPTH; |
777 | DEC_INC_DEPTH; |
558 | |
778 | |
559 | if ((*dec->cur & 31) == 31) |
779 | if (*dec->cur == (MAJOR_MAP | MINOR_INDEF)) |
560 | { |
780 | { |
561 | ++dec->cur; |
781 | ++dec->cur; |
562 | |
782 | |
563 | for (;;) |
783 | for (;;) |
564 | { |
784 | { |
565 | WANT (1); |
785 | WANT (1); |
566 | |
786 | |
567 | if (*dec->cur == (0xe0 | 31)) |
787 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
568 | { |
788 | { |
569 | ++dec->cur; |
789 | ++dec->cur; |
570 | break; |
790 | break; |
571 | } |
791 | } |
572 | |
792 | |
573 | SV *k = decode_sv (dec); |
793 | decode_he (dec, hv); |
574 | SV *v = decode_sv (dec); |
|
|
575 | |
|
|
576 | hv_store_ent (hv, k, v, 0); |
|
|
577 | } |
794 | } |
578 | } |
795 | } |
579 | else |
796 | else |
580 | { |
797 | { |
581 | int len = decode_uint (dec); |
798 | int pairs = decode_uint (dec); |
582 | |
799 | |
583 | while (len--) |
800 | while (pairs--) |
584 | { |
801 | decode_he (dec, hv); |
585 | SV *k = decode_sv (dec); |
|
|
586 | SV *v = decode_sv (dec); |
|
|
587 | |
|
|
588 | hv_store_ent (hv, k, v, 0); |
|
|
589 | } |
|
|
590 | } |
802 | } |
591 | |
803 | |
592 | DEC_DEC_DEPTH; |
804 | DEC_DEC_DEPTH; |
593 | return newRV_noinc ((SV *)hv); |
805 | return newRV_noinc ((SV *)hv); |
594 | |
806 | |
… | |
… | |
601 | static SV * |
813 | static SV * |
602 | decode_str (dec_t *dec, int utf8) |
814 | decode_str (dec_t *dec, int utf8) |
603 | { |
815 | { |
604 | SV *sv = 0; |
816 | SV *sv = 0; |
605 | |
817 | |
606 | if ((*dec->cur & 31) == 31) |
818 | if ((*dec->cur & MINOR_MASK) == MINOR_INDEF) |
607 | { |
819 | { |
|
|
820 | // indefinite length strings |
608 | ++dec->cur; |
821 | ++dec->cur; |
609 | |
822 | |
|
|
823 | U8 major = *dec->cur & MAJOR_MISC; |
|
|
824 | |
610 | sv = newSVpvn ("", 0); |
825 | sv = newSVpvn ("", 0); |
611 | |
826 | |
612 | // not very fast, and certainly not robust against illegal input |
|
|
613 | for (;;) |
827 | for (;;) |
614 | { |
828 | { |
615 | WANT (1); |
829 | WANT (1); |
616 | |
830 | |
617 | if (*dec->cur == (0xe0 | 31)) |
831 | if ((*dec->cur - major) > LENGTH_EXT8) |
|
|
832 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
618 | { |
833 | { |
619 | ++dec->cur; |
834 | ++dec->cur; |
620 | break; |
835 | break; |
621 | } |
836 | } |
|
|
837 | else |
|
|
838 | ERR ("corrupted CBOR data (invalid chunks in indefinite length string)"); |
622 | |
839 | |
623 | sv_catsv (sv, decode_sv (dec)); |
840 | STRLEN len = decode_uint (dec); |
|
|
841 | |
|
|
842 | WANT (len); |
|
|
843 | sv_catpvn (sv, dec->cur, len); |
|
|
844 | dec->cur += len; |
624 | } |
845 | } |
625 | } |
846 | } |
626 | else |
847 | else |
627 | { |
848 | { |
628 | STRLEN len = decode_uint (dec); |
849 | STRLEN len = decode_uint (dec); |
629 | |
850 | |
630 | WANT (len); |
851 | WANT (len); |
631 | sv = newSVpvn (dec->cur, len); |
852 | sv = newSVpvn (dec->cur, len); |
632 | dec->cur += len; |
853 | dec->cur += len; |
|
|
854 | |
|
|
855 | if (ecb_expect_false (dec->stringref) |
|
|
856 | && SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1)) |
|
|
857 | av_push (dec->stringref, SvREFCNT_inc_NN (sv)); |
633 | } |
858 | } |
634 | |
859 | |
635 | if (utf8) |
860 | if (utf8) |
|
|
861 | { |
|
|
862 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
|
|
863 | if (!is_utf8_string (SvPVX (sv), SvCUR (sv))) |
|
|
864 | ERR ("corrupted CBOR data (invalid UTF-8 in text string)"); |
|
|
865 | |
636 | SvUTF8_on (sv); |
866 | SvUTF8_on (sv); |
|
|
867 | } |
637 | |
868 | |
638 | return sv; |
869 | return sv; |
639 | |
870 | |
640 | fail: |
871 | fail: |
641 | SvREFCNT_dec (sv); |
872 | SvREFCNT_dec (sv); |
… | |
… | |
643 | } |
874 | } |
644 | |
875 | |
645 | static SV * |
876 | static SV * |
646 | decode_tagged (dec_t *dec) |
877 | decode_tagged (dec_t *dec) |
647 | { |
878 | { |
|
|
879 | SV *sv = 0; |
648 | UV tag = decode_uint (dec); |
880 | UV tag = decode_uint (dec); |
|
|
881 | |
|
|
882 | WANT (1); |
|
|
883 | |
|
|
884 | switch (tag) |
|
|
885 | { |
|
|
886 | case CBOR_TAG_MAGIC: |
649 | SV *sv = decode_sv (dec); |
887 | sv = decode_sv (dec); |
|
|
888 | break; |
650 | |
889 | |
651 | if (tag == CBOR_TAG_MAGIC) |
890 | case CBOR_TAG_INDIRECTION: |
652 | return sv; |
891 | sv = newRV_noinc (decode_sv (dec)); |
|
|
892 | break; |
653 | |
893 | |
654 | if (tag == CBOR_TAG_PERL_OBJECT) |
894 | case CBOR_TAG_STRINGREF_NAMESPACE: |
655 | { |
895 | { |
|
|
896 | ENTER; SAVETMPS; |
|
|
897 | |
|
|
898 | SAVESPTR (dec->stringref); |
|
|
899 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
900 | |
|
|
901 | sv = decode_sv (dec); |
|
|
902 | |
|
|
903 | FREETMPS; LEAVE; |
|
|
904 | } |
|
|
905 | break; |
|
|
906 | |
|
|
907 | case CBOR_TAG_STRINGREF: |
|
|
908 | { |
|
|
909 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
|
|
910 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
|
|
911 | |
|
|
912 | UV idx = decode_uint (dec); |
|
|
913 | |
|
|
914 | if (!dec->stringref || (int)idx > AvFILLp (dec->stringref)) |
|
|
915 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
|
|
916 | |
|
|
917 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
|
|
918 | } |
|
|
919 | break; |
|
|
920 | |
|
|
921 | case CBOR_TAG_VALUE_SHAREABLE: |
|
|
922 | { |
|
|
923 | if (ecb_expect_false (!dec->shareable)) |
|
|
924 | dec->shareable = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
925 | |
|
|
926 | if (dec->cbor.flags & F_ALLOW_CYCLES) |
|
|
927 | { |
|
|
928 | sv = newSV (0); |
|
|
929 | av_push (dec->shareable, SvREFCNT_inc_NN (sv)); |
|
|
930 | |
|
|
931 | SV *osv = decode_sv (dec); |
|
|
932 | sv_setsv (sv, osv); |
|
|
933 | SvREFCNT_dec_NN (osv); |
|
|
934 | } |
|
|
935 | else |
|
|
936 | { |
|
|
937 | av_push (dec->shareable, &PL_sv_undef); |
|
|
938 | int idx = AvFILLp (dec->shareable); |
|
|
939 | sv = decode_sv (dec); |
|
|
940 | av_store (dec->shareable, idx, SvREFCNT_inc_NN (sv)); |
|
|
941 | } |
|
|
942 | } |
|
|
943 | break; |
|
|
944 | |
|
|
945 | case CBOR_TAG_VALUE_SHAREDREF: |
|
|
946 | { |
|
|
947 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
|
|
948 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
|
|
949 | |
|
|
950 | UV idx = decode_uint (dec); |
|
|
951 | |
|
|
952 | if (!dec->shareable || (int)idx > AvFILLp (dec->shareable)) |
|
|
953 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
|
|
954 | |
|
|
955 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
|
|
956 | |
|
|
957 | if (sv == &PL_sv_undef) |
|
|
958 | ERR ("cyclic CBOR data structure found, but allow_cycles is not enabled"); |
|
|
959 | } |
|
|
960 | break; |
|
|
961 | |
|
|
962 | case CBOR_TAG_PERL_OBJECT: |
|
|
963 | { |
|
|
964 | sv = decode_sv (dec); |
|
|
965 | |
656 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
966 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
657 | ERR ("corrupted CBOR data (non-array perl object)"); |
967 | ERR ("corrupted CBOR data (non-array perl object)"); |
|
|
968 | |
|
|
969 | AV *av = (AV *)SvRV (sv); |
|
|
970 | int len = av_len (av) + 1; |
|
|
971 | HV *stash = gv_stashsv (*av_fetch (av, 0, 1), 0); |
|
|
972 | |
|
|
973 | if (!stash) |
|
|
974 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
975 | |
|
|
976 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
977 | |
|
|
978 | if (!method) |
|
|
979 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
980 | |
|
|
981 | dSP; |
|
|
982 | |
|
|
983 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
984 | EXTEND (SP, len + 1); |
|
|
985 | // we re-bless the reference to get overload and other niceties right |
|
|
986 | PUSHs (*av_fetch (av, 0, 1)); |
|
|
987 | PUSHs (sv_cbor); |
|
|
988 | |
|
|
989 | int i; |
|
|
990 | |
|
|
991 | for (i = 1; i < len; ++i) |
|
|
992 | PUSHs (*av_fetch (av, i, 1)); |
|
|
993 | |
|
|
994 | PUTBACK; |
|
|
995 | call_sv ((SV *)GvCV (method), G_SCALAR | G_EVAL); |
|
|
996 | SPAGAIN; |
|
|
997 | |
|
|
998 | if (SvTRUE (ERRSV)) |
|
|
999 | { |
|
|
1000 | FREETMPS; LEAVE; |
|
|
1001 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
|
|
1002 | } |
|
|
1003 | |
|
|
1004 | SvREFCNT_dec (sv); |
|
|
1005 | sv = SvREFCNT_inc (POPs); |
|
|
1006 | |
|
|
1007 | PUTBACK; |
|
|
1008 | |
|
|
1009 | FREETMPS; LEAVE; |
658 | |
1010 | } |
659 | // TODO |
1011 | break; |
660 | } |
|
|
661 | |
1012 | |
|
|
1013 | default: |
|
|
1014 | { |
|
|
1015 | sv = decode_sv (dec); |
|
|
1016 | |
|
|
1017 | dSP; |
|
|
1018 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
1019 | EXTEND (SP, 2); |
|
|
1020 | PUSHs (newSVuv (tag)); |
|
|
1021 | PUSHs (sv); |
|
|
1022 | |
|
|
1023 | PUTBACK; |
|
|
1024 | int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); |
|
|
1025 | SPAGAIN; |
|
|
1026 | |
|
|
1027 | if (SvTRUE (ERRSV)) |
|
|
1028 | { |
|
|
1029 | FREETMPS; LEAVE; |
|
|
1030 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
|
|
1031 | } |
|
|
1032 | |
|
|
1033 | if (count) |
|
|
1034 | { |
|
|
1035 | SvREFCNT_dec (sv); |
|
|
1036 | sv = SvREFCNT_inc (POPs); |
|
|
1037 | } |
|
|
1038 | else |
|
|
1039 | { |
662 | AV *av = newAV (); |
1040 | AV *av = newAV (); |
663 | av_push (av, newSVuv (tag)); |
1041 | av_push (av, newSVuv (tag)); |
664 | av_push (av, sv); |
1042 | av_push (av, sv); |
665 | |
1043 | |
666 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
1044 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
667 | ? cbor_tagged_stash |
1045 | ? cbor_tagged_stash |
668 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
1046 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
669 | |
|
|
670 | return sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
1047 | sv = sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
|
|
1048 | } |
|
|
1049 | |
|
|
1050 | PUTBACK; |
|
|
1051 | |
|
|
1052 | FREETMPS; LEAVE; |
|
|
1053 | } |
|
|
1054 | break; |
|
|
1055 | } |
|
|
1056 | |
|
|
1057 | return sv; |
671 | |
1058 | |
672 | fail: |
1059 | fail: |
673 | SvREFCNT_dec (sv); |
1060 | SvREFCNT_dec (sv); |
674 | return &PL_sv_undef; |
1061 | return &PL_sv_undef; |
675 | } |
1062 | } |
… | |
… | |
677 | static SV * |
1064 | static SV * |
678 | decode_sv (dec_t *dec) |
1065 | decode_sv (dec_t *dec) |
679 | { |
1066 | { |
680 | WANT (1); |
1067 | WANT (1); |
681 | |
1068 | |
682 | switch (*dec->cur >> 5) |
1069 | switch (*dec->cur >> MAJOR_SHIFT) |
683 | { |
1070 | { |
684 | case 0: // unsigned int |
1071 | case MAJOR_POS_INT >> MAJOR_SHIFT: return newSVuv (decode_uint (dec)); |
685 | return newSVuv (decode_uint (dec)); |
1072 | case MAJOR_NEG_INT >> MAJOR_SHIFT: return newSViv (-1 - (IV)decode_uint (dec)); |
686 | case 1: // negative int |
1073 | case MAJOR_BYTES >> MAJOR_SHIFT: return decode_str (dec, 0); |
687 | return newSViv (-1 - (IV)decode_uint (dec)); |
1074 | case MAJOR_TEXT >> MAJOR_SHIFT: return decode_str (dec, 1); |
688 | case 2: // octet string |
1075 | case MAJOR_ARRAY >> MAJOR_SHIFT: return decode_av (dec); |
689 | return decode_str (dec, 0); |
1076 | case MAJOR_MAP >> MAJOR_SHIFT: return decode_hv (dec); |
690 | case 3: // utf-8 string |
1077 | case MAJOR_TAG >> MAJOR_SHIFT: return decode_tagged (dec); |
691 | return decode_str (dec, 1); |
1078 | |
692 | case 4: // array |
1079 | case MAJOR_MISC >> MAJOR_SHIFT: |
693 | return decode_av (dec); |
|
|
694 | case 5: // map |
|
|
695 | return decode_hv (dec); |
|
|
696 | case 6: // tag |
|
|
697 | return decode_tagged (dec); |
|
|
698 | case 7: // misc |
|
|
699 | switch (*dec->cur++ & 31) |
1080 | switch (*dec->cur++ & MINOR_MASK) |
700 | { |
1081 | { |
701 | case 20: |
1082 | case SIMPLE_FALSE: |
702 | #if CBOR_SLOW |
1083 | #if CBOR_SLOW |
703 | types_false = get_bool ("Types::Serialiser::false"); |
1084 | types_false = get_bool ("Types::Serialiser::false"); |
704 | #endif |
1085 | #endif |
705 | return newSVsv (types_false); |
1086 | return newSVsv (types_false); |
706 | case 21: |
1087 | case SIMPLE_TRUE: |
707 | #if CBOR_SLOW |
1088 | #if CBOR_SLOW |
708 | types_true = get_bool ("Types::Serialiser::true"); |
1089 | types_true = get_bool ("Types::Serialiser::true"); |
709 | #endif |
1090 | #endif |
710 | return newSVsv (types_true); |
1091 | return newSVsv (types_true); |
711 | case 22: |
1092 | case SIMPLE_NULL: |
712 | return newSVsv (&PL_sv_undef); |
1093 | return newSVsv (&PL_sv_undef); |
713 | case 23: |
1094 | case SIMPLE_UNDEF: |
714 | #if CBOR_SLOW |
1095 | #if CBOR_SLOW |
715 | types_error = get_bool ("Types::Serialiser::error"); |
1096 | types_error = get_bool ("Types::Serialiser::error"); |
716 | #endif |
1097 | #endif |
717 | return newSVsv (types_error); |
1098 | return newSVsv (types_error); |
718 | |
1099 | |
719 | case 25: |
1100 | case MISC_FLOAT16: |
720 | { |
1101 | { |
721 | WANT (2); |
1102 | WANT (2); |
722 | |
1103 | |
723 | uint16_t fp = (dec->cur[0] << 8) | dec->cur[1]; |
1104 | uint16_t fp = (dec->cur[0] << 8) | dec->cur[1]; |
724 | dec->cur += 2; |
1105 | dec->cur += 2; |
725 | |
1106 | |
726 | return newSVnv (ecb_binary16_to_float (fp)); |
1107 | return newSVnv (ecb_binary16_to_float (fp)); |
727 | } |
1108 | } |
728 | |
1109 | |
729 | case 26: |
1110 | case MISC_FLOAT32: |
730 | { |
1111 | { |
731 | uint32_t fp; |
1112 | uint32_t fp; |
732 | WANT (4); |
1113 | WANT (4); |
733 | memcpy (&fp, dec->cur, 4); |
1114 | memcpy (&fp, dec->cur, 4); |
734 | dec->cur += 4; |
1115 | dec->cur += 4; |
… | |
… | |
737 | fp = ecb_bswap32 (fp); |
1118 | fp = ecb_bswap32 (fp); |
738 | |
1119 | |
739 | return newSVnv (ecb_binary32_to_float (fp)); |
1120 | return newSVnv (ecb_binary32_to_float (fp)); |
740 | } |
1121 | } |
741 | |
1122 | |
742 | case 27: |
1123 | case MISC_FLOAT64: |
743 | { |
1124 | { |
744 | uint64_t fp; |
1125 | uint64_t fp; |
745 | WANT (8); |
1126 | WANT (8); |
746 | memcpy (&fp, dec->cur, 8); |
1127 | memcpy (&fp, dec->cur, 8); |
747 | dec->cur += 8; |
1128 | dec->cur += 8; |
… | |
… | |
750 | fp = ecb_bswap64 (fp); |
1131 | fp = ecb_bswap64 (fp); |
751 | |
1132 | |
752 | return newSVnv (ecb_binary64_to_double (fp)); |
1133 | return newSVnv (ecb_binary64_to_double (fp)); |
753 | } |
1134 | } |
754 | |
1135 | |
755 | // 0..19 unassigned |
1136 | // 0..19 unassigned simple |
756 | // 24 reserved + unassigned (reserved values are not encodable) |
1137 | // 24 reserved + unassigned (reserved values are not encodable) |
757 | default: |
1138 | default: |
758 | ERR ("corrupted CBOR data (reserved/unassigned major 7 value)"); |
1139 | ERR ("corrupted CBOR data (reserved/unassigned major 7 value)"); |
759 | } |
1140 | } |
760 | |
1141 | |
… | |
… | |
766 | } |
1147 | } |
767 | |
1148 | |
768 | static SV * |
1149 | static SV * |
769 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1150 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
770 | { |
1151 | { |
771 | dec_t dec; |
1152 | dec_t dec = { }; |
772 | SV *sv; |
1153 | SV *sv; |
|
|
1154 | STRLEN len; |
|
|
1155 | char *data = SvPVbyte (string, len); |
773 | |
1156 | |
774 | /* work around bugs in 5.10 where manipulating magic values |
|
|
775 | * makes perl ignore the magic in subsequent accesses. |
|
|
776 | * also make a copy of non-PV values, to get them into a clean |
|
|
777 | * state (SvPV should do that, but it's buggy, see below). |
|
|
778 | */ |
|
|
779 | /*SvGETMAGIC (string);*/ |
|
|
780 | if (SvMAGICAL (string) || !SvPOK (string)) |
|
|
781 | string = sv_2mortal (newSVsv (string)); |
|
|
782 | |
|
|
783 | SvUPGRADE (string, SVt_PV); |
|
|
784 | |
|
|
785 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
|
|
786 | * assertion with -DDEBUGGING, although SvCUR is documented to |
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|
787 | * return the xpv_cur field which certainly exists after upgrading. |
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|
788 | * according to nicholas clark, calling SvPOK fixes this. |
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|
789 | * But it doesn't fix it, so try another workaround, call SvPV_nolen |
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790 | * and hope for the best. |
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|
791 | * Damnit, SvPV_nolen still trips over yet another assertion. This |
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792 | * assertion business is seriously broken, try yet another workaround |
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793 | * for the broken -DDEBUGGING. |
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794 | */ |
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795 | { |
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796 | #ifdef DEBUGGING |
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|
797 | STRLEN offset = SvOK (string) ? sv_len (string) : 0; |
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798 | #else |
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|
799 | STRLEN offset = SvCUR (string); |
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|
800 | #endif |
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|
801 | |
|
|
802 | if (offset > cbor->max_size && cbor->max_size) |
1157 | if (len > cbor->max_size && cbor->max_size) |
803 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
1158 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
804 | (unsigned long)SvCUR (string), (unsigned long)cbor->max_size); |
1159 | (unsigned long)len, (unsigned long)cbor->max_size); |
805 | } |
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|
806 | |
|
|
807 | sv_utf8_downgrade (string, 0); |
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|
808 | |
1160 | |
809 | dec.cbor = *cbor; |
1161 | dec.cbor = *cbor; |
810 | dec.cur = (U8 *)SvPVX (string); |
1162 | dec.cur = (U8 *)data; |
811 | dec.end = (U8 *)SvEND (string); |
1163 | dec.end = (U8 *)data + len; |
812 | dec.err = 0; |
|
|
813 | dec.depth = 0; |
|
|
814 | |
1164 | |
815 | sv = decode_sv (&dec); |
1165 | sv = decode_sv (&dec); |
816 | |
1166 | |
817 | if (offset_return) |
1167 | if (offset_return) |
818 | *offset_return = dec.cur; |
1168 | *offset_return = dec.cur; |
… | |
… | |
822 | dec.err = "garbage after CBOR object"; |
1172 | dec.err = "garbage after CBOR object"; |
823 | |
1173 | |
824 | if (dec.err) |
1174 | if (dec.err) |
825 | { |
1175 | { |
826 | SvREFCNT_dec (sv); |
1176 | SvREFCNT_dec (sv); |
827 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)SvPVX (string), (int)(uint8_t)*dec.cur); |
1177 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
828 | } |
1178 | } |
829 | |
1179 | |
830 | sv = sv_2mortal (sv); |
1180 | sv = sv_2mortal (sv); |
831 | |
1181 | |
832 | return sv; |
1182 | return sv; |
… | |
… | |
846 | types_error_stash = gv_stashpv ("Types::Serialiser::Error" , 1); |
1196 | types_error_stash = gv_stashpv ("Types::Serialiser::Error" , 1); |
847 | |
1197 | |
848 | types_true = get_bool ("Types::Serialiser::true" ); |
1198 | types_true = get_bool ("Types::Serialiser::true" ); |
849 | types_false = get_bool ("Types::Serialiser::false"); |
1199 | types_false = get_bool ("Types::Serialiser::false"); |
850 | types_error = get_bool ("Types::Serialiser::error"); |
1200 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
1201 | |
|
|
1202 | default_filter = newSVpv ("CBOR::XS::default_filter", 0); |
|
|
1203 | |
|
|
1204 | sv_cbor = newSVpv ("CBOR", 0); |
|
|
1205 | SvREADONLY_on (sv_cbor); |
851 | } |
1206 | } |
852 | |
1207 | |
853 | PROTOTYPES: DISABLE |
1208 | PROTOTYPES: DISABLE |
854 | |
1209 | |
855 | void CLONE (...) |
1210 | void CLONE (...) |
… | |
… | |
873 | |
1228 | |
874 | void shrink (CBOR *self, int enable = 1) |
1229 | void shrink (CBOR *self, int enable = 1) |
875 | ALIAS: |
1230 | ALIAS: |
876 | shrink = F_SHRINK |
1231 | shrink = F_SHRINK |
877 | allow_unknown = F_ALLOW_UNKNOWN |
1232 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
1233 | allow_sharing = F_ALLOW_SHARING |
|
|
1234 | allow_cycles = F_ALLOW_CYCLES |
|
|
1235 | pack_strings = F_PACK_STRINGS |
|
|
1236 | validate_utf8 = F_VALIDATE_UTF8 |
878 | PPCODE: |
1237 | PPCODE: |
879 | { |
1238 | { |
880 | if (enable) |
1239 | if (enable) |
881 | self->flags |= ix; |
1240 | self->flags |= ix; |
882 | else |
1241 | else |
… | |
… | |
887 | |
1246 | |
888 | void get_shrink (CBOR *self) |
1247 | void get_shrink (CBOR *self) |
889 | ALIAS: |
1248 | ALIAS: |
890 | get_shrink = F_SHRINK |
1249 | get_shrink = F_SHRINK |
891 | get_allow_unknown = F_ALLOW_UNKNOWN |
1250 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
1251 | get_allow_sharing = F_ALLOW_SHARING |
|
|
1252 | get_allow_cycles = F_ALLOW_CYCLES |
|
|
1253 | get_pack_strings = F_PACK_STRINGS |
|
|
1254 | get_validate_utf8 = F_VALIDATE_UTF8 |
892 | PPCODE: |
1255 | PPCODE: |
893 | XPUSHs (boolSV (self->flags & ix)); |
1256 | XPUSHs (boolSV (self->flags & ix)); |
894 | |
1257 | |
895 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
1258 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
896 | PPCODE: |
1259 | PPCODE: |
… | |
… | |
912 | CODE: |
1275 | CODE: |
913 | RETVAL = self->max_size; |
1276 | RETVAL = self->max_size; |
914 | OUTPUT: |
1277 | OUTPUT: |
915 | RETVAL |
1278 | RETVAL |
916 | |
1279 | |
917 | #if 0 //TODO |
1280 | void filter (CBOR *self, SV *filter = 0) |
918 | |
|
|
919 | void filter_cbor_object (CBOR *self, SV *cb = &PL_sv_undef) |
|
|
920 | PPCODE: |
1281 | PPCODE: |
921 | { |
|
|
922 | SvREFCNT_dec (self->cb_object); |
1282 | SvREFCNT_dec (self->filter); |
923 | self->cb_object = SvOK (cb) ? newSVsv (cb) : 0; |
1283 | self->filter = filter ? newSVsv (filter) : filter; |
924 | |
|
|
925 | XPUSHs (ST (0)); |
1284 | XPUSHs (ST (0)); |
926 | } |
|
|
927 | |
1285 | |
928 | void filter_cbor_single_key_object (CBOR *self, SV *key, SV *cb = &PL_sv_undef) |
1286 | SV *get_filter (CBOR *self) |
929 | PPCODE: |
1287 | CODE: |
930 | { |
1288 | RETVAL = self->filter ? self->filter : NEWSV (0, 0); |
931 | if (!self->cb_sk_object) |
1289 | OUTPUT: |
932 | self->cb_sk_object = newHV (); |
1290 | RETVAL |
933 | |
|
|
934 | if (SvOK (cb)) |
|
|
935 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
|
|
936 | else |
|
|
937 | { |
|
|
938 | hv_delete_ent (self->cb_sk_object, key, G_DISCARD, 0); |
|
|
939 | |
|
|
940 | if (!HvKEYS (self->cb_sk_object)) |
|
|
941 | { |
|
|
942 | SvREFCNT_dec (self->cb_sk_object); |
|
|
943 | self->cb_sk_object = 0; |
|
|
944 | } |
|
|
945 | } |
|
|
946 | |
|
|
947 | XPUSHs (ST (0)); |
|
|
948 | } |
|
|
949 | |
|
|
950 | #endif |
|
|
951 | |
1291 | |
952 | void encode (CBOR *self, SV *scalar) |
1292 | void encode (CBOR *self, SV *scalar) |
953 | PPCODE: |
1293 | PPCODE: |
954 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
1294 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
955 | XPUSHs (scalar); |
1295 | XPUSHs (scalar); |
… | |
… | |
968 | EXTEND (SP, 2); |
1308 | EXTEND (SP, 2); |
969 | PUSHs (sv); |
1309 | PUSHs (sv); |
970 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1310 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
971 | } |
1311 | } |
972 | |
1312 | |
973 | #if 0 |
|
|
974 | |
|
|
975 | void DESTROY (CBOR *self) |
1313 | void DESTROY (CBOR *self) |
976 | CODE: |
1314 | PPCODE: |
977 | SvREFCNT_dec (self->cb_sk_object); |
1315 | cbor_free (self); |
978 | SvREFCNT_dec (self->cb_object); |
|
|
979 | |
|
|
980 | #endif |
|
|
981 | |
1316 | |
982 | PROTOTYPES: ENABLE |
1317 | PROTOTYPES: ENABLE |
983 | |
1318 | |
984 | void encode_cbor (SV *scalar) |
1319 | void encode_cbor (SV *scalar) |
|
|
1320 | ALIAS: |
|
|
1321 | encode_cbor = 0 |
|
|
1322 | encode_cbor_sharing = F_ALLOW_SHARING |
985 | PPCODE: |
1323 | PPCODE: |
986 | { |
1324 | { |
987 | CBOR cbor; |
1325 | CBOR cbor; |
988 | cbor_init (&cbor); |
1326 | cbor_init (&cbor); |
|
|
1327 | cbor.flags |= ix; |
989 | PUTBACK; scalar = encode_cbor (scalar, &cbor); SPAGAIN; |
1328 | PUTBACK; scalar = encode_cbor (scalar, &cbor); SPAGAIN; |
990 | XPUSHs (scalar); |
1329 | XPUSHs (scalar); |
991 | } |
1330 | } |
992 | |
1331 | |
993 | void decode_cbor (SV *cborstr) |
1332 | void decode_cbor (SV *cborstr) |