… | |
… | |
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 tags |
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29 | enum cbor_tag |
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30 | { |
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31 | // extensions |
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32 | CBOR_TAG_STRINGREF = 25, // http://cbor.schmorp.de/stringref |
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33 | CBOR_TAG_PERL_OBJECT = 26, // http://cbor.schmorp.de/perl-object |
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34 | CBOR_TAG_GENERIC_OBJECT = 27, // http://cbor.schmorp.de/generic-object |
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35 | CBOR_TAG_VALUE_SHAREABLE = 28, // http://cbor.schmorp.de/value-sharing |
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36 | CBOR_TAG_VALUE_SHAREDREF = 29, // http://cbor.schmorp.de/value-sharing |
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37 | CBOR_TAG_STRINGREF_NAMESPACE = 256, // http://cbor.schmorp.de/stringref |
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38 | CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection |
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39 | |
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40 | // rfc7049 |
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41 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
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42 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
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43 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
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44 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
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45 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
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46 | CBOR_TAG_BIGFLOAT = 5, // array |
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47 | |
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48 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
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49 | CBOR_TAG_CONV_B64 = 22, // base64, any |
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50 | CBOR_TAG_CONV_HEX = 23, // base16, any |
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51 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
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52 | |
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53 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
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54 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
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55 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
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56 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
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57 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
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58 | |
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59 | CBOR_TAG_MAGIC = 55799 // self-describe cbor |
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60 | }; |
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61 | |
14 | #define F_SHRINK 0x00000200UL |
62 | #define F_SHRINK 0x00000001UL |
15 | #define F_ALLOW_UNKNOWN 0x00002000UL |
63 | #define F_ALLOW_UNKNOWN 0x00000002UL |
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64 | #define F_ALLOW_SHARING 0x00000004UL |
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65 | #define F_PACK_STRINGS 0x00000008UL |
16 | |
66 | |
17 | #define INIT_SIZE 32 // initial scalar size to be allocated |
67 | #define INIT_SIZE 32 // initial scalar size to be allocated |
18 | |
68 | |
19 | #define SB do { |
69 | #define SB do { |
20 | #define SE } while (0) |
70 | #define SE } while (0) |
… | |
… | |
31 | #else |
81 | #else |
32 | # define CBOR_SLOW 0 |
82 | # define CBOR_SLOW 0 |
33 | # define CBOR_STASH cbor_stash |
83 | # define CBOR_STASH cbor_stash |
34 | #endif |
84 | #endif |
35 | |
85 | |
36 | static HV *cbor_stash, *cbor_boolean_stash, *cbor_tagged_stash; // CBOR::XS:: |
86 | static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS:: |
37 | static SV *cbor_true, *cbor_false; |
87 | static SV *types_true, *types_false, *types_error, *sv_cbor, *default_filter; |
38 | |
88 | |
39 | typedef struct { |
89 | typedef struct { |
40 | U32 flags; |
90 | U32 flags; |
41 | U32 max_depth; |
91 | U32 max_depth; |
42 | STRLEN max_size; |
92 | STRLEN max_size; |
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93 | SV *filter; |
43 | } CBOR; |
94 | } CBOR; |
44 | |
95 | |
45 | ecb_inline void |
96 | ecb_inline void |
46 | cbor_init (CBOR *cbor) |
97 | cbor_init (CBOR *cbor) |
47 | { |
98 | { |
48 | Zero (cbor, 1, CBOR); |
99 | Zero (cbor, 1, CBOR); |
49 | cbor->max_depth = 512; |
100 | cbor->max_depth = 512; |
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101 | } |
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102 | |
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103 | ecb_inline void |
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104 | cbor_free (CBOR *cbor) |
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105 | { |
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106 | SvREFCNT_dec (cbor->filter); |
50 | } |
107 | } |
51 | |
108 | |
52 | ///////////////////////////////////////////////////////////////////////////// |
109 | ///////////////////////////////////////////////////////////////////////////// |
53 | // utility functions |
110 | // utility functions |
54 | |
111 | |
… | |
… | |
76 | SvPV_renew (sv, SvCUR (sv) + 1); |
133 | SvPV_renew (sv, SvCUR (sv) + 1); |
77 | #endif |
134 | #endif |
78 | } |
135 | } |
79 | } |
136 | } |
80 | |
137 | |
81 | ///////////////////////////////////////////////////////////////////////////// |
138 | // minimum length of a string to be registered for stringref |
82 | // fp hell |
139 | ecb_inline int |
83 | |
140 | minimum_string_length (UV idx) |
84 | //TODO |
141 | { |
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142 | return idx > 23 |
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143 | ? idx > 0xffU |
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144 | ? idx > 0xffffU |
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145 | ? idx > 0xffffffffU |
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146 | ? 11 |
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147 | : 7 |
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148 | : 5 |
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149 | : 4 |
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150 | : 3; |
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151 | } |
85 | |
152 | |
86 | ///////////////////////////////////////////////////////////////////////////// |
153 | ///////////////////////////////////////////////////////////////////////////// |
87 | // encoder |
154 | // encoder |
88 | |
155 | |
89 | // structure used for encoding CBOR |
156 | // structure used for encoding CBOR |
… | |
… | |
92 | char *cur; // SvPVX (sv) + current output position |
159 | char *cur; // SvPVX (sv) + current output position |
93 | char *end; // SvEND (sv) |
160 | char *end; // SvEND (sv) |
94 | SV *sv; // result scalar |
161 | SV *sv; // result scalar |
95 | CBOR cbor; |
162 | CBOR cbor; |
96 | U32 depth; // recursion level |
163 | U32 depth; // recursion level |
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164 | HV *stringref[2]; // string => index, or 0 ([0] = bytes, [1] = utf-8) |
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165 | UV stringref_idx; |
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166 | HV *shareable; // ptr => index, or 0 |
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167 | UV shareable_idx; |
97 | } enc_t; |
168 | } enc_t; |
98 | |
169 | |
99 | ecb_inline void |
170 | ecb_inline void |
100 | need (enc_t *enc, STRLEN len) |
171 | need (enc_t *enc, STRLEN len) |
101 | { |
172 | { |
… | |
… | |
118 | static void |
189 | static void |
119 | encode_uint (enc_t *enc, int major, UV len) |
190 | encode_uint (enc_t *enc, int major, UV len) |
120 | { |
191 | { |
121 | need (enc, 9); |
192 | need (enc, 9); |
122 | |
193 | |
123 | if (len < 24) |
194 | if (ecb_expect_true (len < 24)) |
124 | *enc->cur++ = major | len; |
195 | *enc->cur++ = major | len; |
125 | else if (len <= 0xff) |
196 | else if (ecb_expect_true (len <= 0xff)) |
126 | { |
197 | { |
127 | *enc->cur++ = major | 24; |
198 | *enc->cur++ = major | 24; |
128 | *enc->cur++ = len; |
199 | *enc->cur++ = len; |
129 | } |
200 | } |
130 | else if (len <= 0xffff) |
201 | else if (len <= 0xffff) |
… | |
… | |
153 | *enc->cur++ = len >> 8; |
224 | *enc->cur++ = len >> 8; |
154 | *enc->cur++ = len; |
225 | *enc->cur++ = len; |
155 | } |
226 | } |
156 | } |
227 | } |
157 | |
228 | |
158 | static void |
229 | ecb_inline void |
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230 | encode_tag (enc_t *enc, UV tag) |
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231 | { |
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232 | encode_uint (enc, 0xc0, tag); |
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233 | } |
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234 | |
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235 | ecb_inline void |
159 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
236 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
160 | { |
237 | { |
161 | encode_uint (enc, utf8 ? 0x60 : 0x40, len); |
238 | encode_uint (enc, utf8 ? 0x60 : 0x40, len); |
162 | need (enc, len); |
239 | need (enc, len); |
163 | memcpy (enc->cur, str, len); |
240 | memcpy (enc->cur, str, len); |
164 | enc->cur += len; |
241 | enc->cur += len; |
165 | } |
242 | } |
166 | |
243 | |
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244 | static void |
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245 | encode_strref (enc_t *enc, int utf8, char *str, STRLEN len) |
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246 | { |
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247 | if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) |
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248 | { |
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249 | SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); |
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250 | |
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251 | if (SvOK (*svp)) |
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252 | { |
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253 | // already registered, use stringref |
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254 | encode_tag (enc, CBOR_TAG_STRINGREF); |
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255 | encode_uint (enc, 0x00, SvUV (*svp)); |
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256 | return; |
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257 | } |
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258 | else if (len >= minimum_string_length (enc->stringref_idx)) |
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259 | { |
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260 | // register only |
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261 | sv_setuv (*svp, enc->stringref_idx); |
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262 | ++enc->stringref_idx; |
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263 | } |
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264 | } |
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265 | |
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266 | encode_str (enc, utf8, str, len); |
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267 | } |
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268 | |
167 | static void encode_sv (enc_t *enc, SV *sv); |
269 | static void encode_sv (enc_t *enc, SV *sv); |
168 | |
270 | |
169 | static void |
271 | static void |
170 | encode_av (enc_t *enc, AV *av) |
272 | encode_av (enc_t *enc, AV *av) |
171 | { |
273 | { |
… | |
… | |
208 | while ((he = hv_iternext (hv))) |
310 | while ((he = hv_iternext (hv))) |
209 | { |
311 | { |
210 | if (HeKLEN (he) == HEf_SVKEY) |
312 | if (HeKLEN (he) == HEf_SVKEY) |
211 | encode_sv (enc, HeSVKEY (he)); |
313 | encode_sv (enc, HeSVKEY (he)); |
212 | else |
314 | else |
213 | encode_str (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
315 | encode_strref (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
214 | |
316 | |
215 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
317 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
216 | } |
318 | } |
217 | |
319 | |
218 | if (mg) |
320 | if (mg) |
… | |
… | |
223 | |
325 | |
224 | // encode objects, arrays and special \0=false and \1=true values. |
326 | // encode objects, arrays and special \0=false and \1=true values. |
225 | static void |
327 | static void |
226 | encode_rv (enc_t *enc, SV *sv) |
328 | encode_rv (enc_t *enc, SV *sv) |
227 | { |
329 | { |
228 | svtype svt; |
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229 | |
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230 | SvGETMAGIC (sv); |
330 | SvGETMAGIC (sv); |
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331 | |
231 | svt = SvTYPE (sv); |
332 | svtype svt = SvTYPE (sv); |
232 | |
333 | |
233 | if (ecb_expect_false (SvOBJECT (sv))) |
334 | if (ecb_expect_false (SvOBJECT (sv))) |
234 | { |
335 | { |
235 | HV *boolean_stash = !CBOR_SLOW || cbor_boolean_stash |
336 | HV *boolean_stash = !CBOR_SLOW || types_boolean_stash |
236 | ? cbor_boolean_stash |
337 | ? types_boolean_stash |
237 | : gv_stashpv ("CBOR::XS::Boolean", 1); |
338 | : gv_stashpv ("Types::Serialiser::Boolean", 1); |
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339 | HV *error_stash = !CBOR_SLOW || types_error_stash |
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340 | ? types_error_stash |
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341 | : gv_stashpv ("Types::Serialiser::Error", 1); |
238 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
342 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
239 | ? cbor_tagged_stash |
343 | ? cbor_tagged_stash |
240 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
344 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
241 | |
345 | |
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346 | HV *stash = SvSTASH (sv); |
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347 | |
242 | if (SvSTASH (sv) == boolean_stash) |
348 | if (stash == boolean_stash) |
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349 | { |
243 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
350 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
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351 | return; |
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352 | } |
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353 | else if (stash == error_stash) |
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354 | { |
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355 | encode_ch (enc, 0xe0 | 23); |
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356 | return; |
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357 | } |
244 | else if (SvSTASH (sv) == tagged_stash) |
358 | else if (stash == tagged_stash) |
245 | { |
359 | { |
246 | if (svt != SVt_PVAV) |
360 | if (svt != SVt_PVAV) |
247 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
361 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
248 | |
362 | |
249 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
363 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
250 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
364 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
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365 | |
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366 | return; |
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367 | } |
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368 | } |
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369 | |
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370 | if (ecb_expect_false (SvREFCNT (sv) > 1) |
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371 | && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) |
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372 | { |
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373 | if (!enc->shareable) |
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374 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
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375 | |
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376 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
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377 | |
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378 | if (SvOK (*svp)) |
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379 | { |
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380 | encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF); |
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381 | encode_uint (enc, 0x00, SvUV (*svp)); |
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382 | return; |
251 | } |
383 | } |
252 | else |
384 | else |
253 | { |
385 | { |
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386 | sv_setuv (*svp, enc->shareable_idx); |
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387 | ++enc->shareable_idx; |
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388 | encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE); |
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389 | } |
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390 | } |
|
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391 | |
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392 | if (ecb_expect_false (SvOBJECT (sv))) |
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393 | { |
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394 | HV *stash = SvSTASH (sv); |
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395 | GV *method; |
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396 | |
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397 | if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
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398 | { |
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399 | dSP; |
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400 | |
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401 | ENTER; SAVETMPS; PUSHMARK (SP); |
254 | // we re-bless the reference to get overload and other niceties right |
402 | // we re-bless the reference to get overload and other niceties right |
255 | GV *to_cbor = gv_fetchmethod_autoload (SvSTASH (sv), "TO_CBOR", 0); |
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256 | |
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257 | if (to_cbor) |
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258 | { |
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259 | dSP; |
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260 | |
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261 | ENTER; SAVETMPS; PUSHMARK (SP); |
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262 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
403 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
263 | |
404 | |
264 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
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265 | PUTBACK; |
405 | PUTBACK; |
|
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406 | // G_SCALAR ensures that return value is 1 |
266 | call_sv ((SV *)GvCV (to_cbor), G_SCALAR); |
407 | call_sv ((SV *)GvCV (method), G_SCALAR); |
267 | SPAGAIN; |
408 | SPAGAIN; |
268 | |
409 | |
269 | // catch this surprisingly common error |
410 | // catch this surprisingly common error |
270 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
411 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
271 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
412 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (stash)); |
272 | |
413 | |
273 | sv = POPs; |
414 | encode_sv (enc, POPs); |
|
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415 | |
274 | PUTBACK; |
416 | PUTBACK; |
275 | |
417 | |
276 | encode_sv (enc, sv); |
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277 | |
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278 | FREETMPS; LEAVE; |
418 | FREETMPS; LEAVE; |
279 | } |
419 | } |
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420 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
|
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421 | { |
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422 | dSP; |
|
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423 | |
|
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424 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
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425 | EXTEND (SP, 2); |
|
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426 | // we re-bless the reference to get overload and other niceties right |
|
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427 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
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428 | PUSHs (sv_cbor); |
|
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429 | |
|
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430 | PUTBACK; |
|
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431 | int count = call_sv ((SV *)GvCV (method), G_ARRAY); |
|
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432 | SPAGAIN; |
|
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433 | |
|
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434 | // catch this surprisingly common error |
|
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435 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
|
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436 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
|
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437 | |
|
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438 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
|
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439 | encode_uint (enc, 0x80, count + 1); |
|
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440 | encode_strref (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
|
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441 | |
|
|
442 | while (count) |
|
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443 | encode_sv (enc, SP[1 - count--]); |
|
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444 | |
|
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445 | PUTBACK; |
|
|
446 | |
|
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447 | FREETMPS; LEAVE; |
|
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448 | } |
280 | else |
449 | else |
281 | croak ("encountered object '%s', but no TO_CBOR method available on it", |
450 | croak ("encountered object '%s', but no TO_CBOR or FREEZE methods available on it", |
282 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
451 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
283 | } |
|
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284 | } |
452 | } |
285 | else if (svt == SVt_PVHV) |
453 | else if (svt == SVt_PVHV) |
286 | encode_hv (enc, (HV *)sv); |
454 | encode_hv (enc, (HV *)sv); |
287 | else if (svt == SVt_PVAV) |
455 | else if (svt == SVt_PVAV) |
288 | encode_av (enc, (AV *)sv); |
456 | encode_av (enc, (AV *)sv); |
289 | else if (svt < SVt_PVAV) |
|
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290 | { |
|
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291 | STRLEN len = 0; |
|
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292 | char *pv = svt ? SvPV (sv, len) : 0; |
|
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293 | |
|
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294 | if (len == 1 && *pv == '1') |
|
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295 | encode_ch (enc, 0xe0 | 21); |
|
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296 | else if (len == 1 && *pv == '0') |
|
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297 | encode_ch (enc, 0xe0 | 20); |
|
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298 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
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299 | encode_ch (enc, 0xe0 | 23); |
|
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300 | else |
|
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301 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
|
|
302 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
303 | } |
|
|
304 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
|
305 | encode_ch (enc, 0xe0 | 23); |
|
|
306 | else |
457 | else |
307 | croak ("encountered %s, but CBOR can only represent references to arrays or hashes", |
458 | { |
308 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
459 | encode_tag (enc, CBOR_TAG_INDIRECTION); |
|
|
460 | encode_sv (enc, sv); |
|
|
461 | } |
309 | } |
462 | } |
310 | |
463 | |
311 | static void |
464 | static void |
312 | encode_nv (enc_t *enc, SV *sv) |
465 | encode_nv (enc_t *enc, SV *sv) |
313 | { |
466 | { |
… | |
… | |
351 | |
504 | |
352 | if (SvPOKp (sv)) |
505 | if (SvPOKp (sv)) |
353 | { |
506 | { |
354 | STRLEN len; |
507 | STRLEN len; |
355 | char *str = SvPV (sv, len); |
508 | char *str = SvPV (sv, len); |
356 | encode_str (enc, SvUTF8 (sv), str, len); |
509 | encode_strref (enc, SvUTF8 (sv), str, len); |
357 | } |
510 | } |
358 | else if (SvNOKp (sv)) |
511 | else if (SvNOKp (sv)) |
359 | encode_nv (enc, sv); |
512 | encode_nv (enc, sv); |
360 | else if (SvIOKp (sv)) |
513 | else if (SvIOKp (sv)) |
361 | { |
514 | { |
… | |
… | |
378 | } |
531 | } |
379 | |
532 | |
380 | static SV * |
533 | static SV * |
381 | encode_cbor (SV *scalar, CBOR *cbor) |
534 | encode_cbor (SV *scalar, CBOR *cbor) |
382 | { |
535 | { |
383 | enc_t enc; |
536 | enc_t enc = { }; |
384 | |
537 | |
385 | enc.cbor = *cbor; |
538 | enc.cbor = *cbor; |
386 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
539 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
387 | enc.cur = SvPVX (enc.sv); |
540 | enc.cur = SvPVX (enc.sv); |
388 | enc.end = SvEND (enc.sv); |
541 | enc.end = SvEND (enc.sv); |
389 | enc.depth = 0; |
|
|
390 | |
542 | |
391 | SvPOK_only (enc.sv); |
543 | SvPOK_only (enc.sv); |
|
|
544 | |
|
|
545 | if (cbor->flags & F_PACK_STRINGS) |
|
|
546 | { |
|
|
547 | encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE); |
|
|
548 | enc.stringref[0]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
549 | enc.stringref[1]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
550 | } |
|
|
551 | |
392 | encode_sv (&enc, scalar); |
552 | encode_sv (&enc, scalar); |
393 | |
553 | |
394 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
554 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
395 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
555 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
396 | |
556 | |
… | |
… | |
410 | U8 *end; // end of input string |
570 | U8 *end; // end of input string |
411 | const char *err; // parse error, if != 0 |
571 | const char *err; // parse error, if != 0 |
412 | CBOR cbor; |
572 | CBOR cbor; |
413 | U32 depth; // recursion depth |
573 | U32 depth; // recursion depth |
414 | U32 maxdepth; // recursion depth limit |
574 | U32 maxdepth; // recursion depth limit |
|
|
575 | AV *shareable; |
|
|
576 | AV *stringref; |
|
|
577 | SV *decode_tagged; |
415 | } dec_t; |
578 | } dec_t; |
416 | |
579 | |
417 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
580 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
418 | |
581 | |
419 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
582 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
… | |
… | |
451 | | ((UV)dec->cur[-1]); |
614 | | ((UV)dec->cur[-1]); |
452 | |
615 | |
453 | case 27: |
616 | case 27: |
454 | WANT (9); |
617 | WANT (9); |
455 | dec->cur += 9; |
618 | dec->cur += 9; |
|
|
619 | |
|
|
620 | return |
|
|
621 | #if UVSIZE < 8 |
|
|
622 | 0 |
|
|
623 | #else |
456 | return (((UV)dec->cur[-8]) << 56) |
624 | (((UV)dec->cur[-8]) << 56) |
457 | | (((UV)dec->cur[-7]) << 48) |
625 | | (((UV)dec->cur[-7]) << 48) |
458 | | (((UV)dec->cur[-6]) << 40) |
626 | | (((UV)dec->cur[-6]) << 40) |
459 | | (((UV)dec->cur[-5]) << 32) |
627 | | (((UV)dec->cur[-5]) << 32) |
|
|
628 | #endif |
460 | | (((UV)dec->cur[-4]) << 24) |
629 | | (((UV)dec->cur[-4]) << 24) |
461 | | (((UV)dec->cur[-3]) << 16) |
630 | | (((UV)dec->cur[-3]) << 16) |
462 | | (((UV)dec->cur[-2]) << 8) |
631 | | (((UV)dec->cur[-2]) << 8) |
463 | | ((UV)dec->cur[-1]); |
632 | | ((UV)dec->cur[-1]); |
464 | |
633 | |
… | |
… | |
513 | SvREFCNT_dec (av); |
682 | SvREFCNT_dec (av); |
514 | DEC_DEC_DEPTH; |
683 | DEC_DEC_DEPTH; |
515 | return &PL_sv_undef; |
684 | return &PL_sv_undef; |
516 | } |
685 | } |
517 | |
686 | |
|
|
687 | static void |
|
|
688 | decode_he (dec_t *dec, HV *hv) |
|
|
689 | { |
|
|
690 | // for speed reasons, we specialcase single-string |
|
|
691 | // byte or utf-8 strings as keys, but only when !stringref |
|
|
692 | |
|
|
693 | if (ecb_expect_true (!dec->stringref)) |
|
|
694 | if (*dec->cur >= 0x40 && *dec->cur <= 0x40 + 27) |
|
|
695 | { |
|
|
696 | I32 len = decode_uint (dec); |
|
|
697 | char *key = (char *)dec->cur; |
|
|
698 | |
|
|
699 | dec->cur += len; |
|
|
700 | |
|
|
701 | if (ecb_expect_false (dec->stringref)) |
|
|
702 | av_push (dec->stringref, newSVpvn (key, len)); |
|
|
703 | |
|
|
704 | hv_store (hv, key, len, decode_sv (dec), 0); |
|
|
705 | |
|
|
706 | return; |
|
|
707 | } |
|
|
708 | else if (*dec->cur >= 0x60 && *dec->cur <= 0x60 + 27) |
|
|
709 | { |
|
|
710 | I32 len = decode_uint (dec); |
|
|
711 | char *key = (char *)dec->cur; |
|
|
712 | |
|
|
713 | dec->cur += len; |
|
|
714 | |
|
|
715 | if (ecb_expect_false (dec->stringref)) |
|
|
716 | av_push (dec->stringref, newSVpvn_utf8 (key, len, 1)); |
|
|
717 | |
|
|
718 | hv_store (hv, key, -len, decode_sv (dec), 0); |
|
|
719 | |
|
|
720 | return; |
|
|
721 | } |
|
|
722 | |
|
|
723 | SV *k = decode_sv (dec); |
|
|
724 | SV *v = decode_sv (dec); |
|
|
725 | |
|
|
726 | hv_store_ent (hv, k, v, 0); |
|
|
727 | SvREFCNT_dec (k); |
|
|
728 | } |
|
|
729 | |
518 | static SV * |
730 | static SV * |
519 | decode_hv (dec_t *dec) |
731 | decode_hv (dec_t *dec) |
520 | { |
732 | { |
521 | HV *hv = newHV (); |
733 | HV *hv = newHV (); |
522 | |
734 | |
… | |
… | |
534 | { |
746 | { |
535 | ++dec->cur; |
747 | ++dec->cur; |
536 | break; |
748 | break; |
537 | } |
749 | } |
538 | |
750 | |
539 | SV *k = decode_sv (dec); |
751 | decode_he (dec, hv); |
540 | SV *v = decode_sv (dec); |
|
|
541 | |
|
|
542 | hv_store_ent (hv, k, v, 0); |
|
|
543 | } |
752 | } |
544 | } |
753 | } |
545 | else |
754 | else |
546 | { |
755 | { |
547 | int len = decode_uint (dec); |
756 | int pairs = decode_uint (dec); |
548 | |
757 | |
549 | while (len--) |
758 | while (pairs--) |
550 | { |
759 | decode_he (dec, hv); |
551 | SV *k = decode_sv (dec); |
|
|
552 | SV *v = decode_sv (dec); |
|
|
553 | |
|
|
554 | hv_store_ent (hv, k, v, 0); |
|
|
555 | } |
|
|
556 | } |
760 | } |
557 | |
761 | |
558 | DEC_DEC_DEPTH; |
762 | DEC_DEC_DEPTH; |
559 | return newRV_noinc ((SV *)hv); |
763 | return newRV_noinc ((SV *)hv); |
560 | |
764 | |
… | |
… | |
569 | { |
773 | { |
570 | SV *sv = 0; |
774 | SV *sv = 0; |
571 | |
775 | |
572 | if ((*dec->cur & 31) == 31) |
776 | if ((*dec->cur & 31) == 31) |
573 | { |
777 | { |
|
|
778 | // indefinite length strings |
574 | ++dec->cur; |
779 | ++dec->cur; |
575 | |
780 | |
|
|
781 | unsigned char major = *dec->cur & 0xe0; |
|
|
782 | |
576 | sv = newSVpvn ("", 0); |
783 | sv = newSVpvn ("", 0); |
577 | |
784 | |
578 | // not very fast, and certainly not robust against illegal input |
|
|
579 | for (;;) |
785 | for (;;) |
580 | { |
786 | { |
581 | WANT (1); |
787 | WANT (1); |
582 | |
788 | |
|
|
789 | if ((*dec->cur ^ major) >= 31) |
583 | if (*dec->cur == (0xe0 | 31)) |
790 | if (*dec->cur == (0xe0 | 31)) |
584 | { |
791 | { |
585 | ++dec->cur; |
792 | ++dec->cur; |
586 | break; |
793 | break; |
587 | } |
794 | } |
|
|
795 | else |
|
|
796 | ERR ("corrupted CBOR data (invalid chunks in indefinite length string)"); |
588 | |
797 | |
589 | sv_catsv (sv, decode_sv (dec)); |
798 | STRLEN len = decode_uint (dec); |
|
|
799 | |
|
|
800 | WANT (len); |
|
|
801 | sv_catpvn (sv, dec->cur, len); |
|
|
802 | dec->cur += len; |
590 | } |
803 | } |
591 | } |
804 | } |
592 | else |
805 | else |
593 | { |
806 | { |
594 | STRLEN len = decode_uint (dec); |
807 | STRLEN len = decode_uint (dec); |
595 | |
808 | |
596 | WANT (len); |
809 | WANT (len); |
597 | sv = newSVpvn (dec->cur, len); |
810 | sv = newSVpvn (dec->cur, len); |
598 | dec->cur += len; |
811 | dec->cur += len; |
|
|
812 | |
|
|
813 | if (ecb_expect_false (dec->stringref) |
|
|
814 | && SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1)) |
|
|
815 | av_push (dec->stringref, SvREFCNT_inc_NN (sv)); |
599 | } |
816 | } |
600 | |
817 | |
601 | if (utf8) |
818 | if (utf8) |
602 | SvUTF8_on (sv); |
819 | SvUTF8_on (sv); |
603 | |
820 | |
… | |
… | |
609 | } |
826 | } |
610 | |
827 | |
611 | static SV * |
828 | static SV * |
612 | decode_tagged (dec_t *dec) |
829 | decode_tagged (dec_t *dec) |
613 | { |
830 | { |
|
|
831 | SV *sv = 0; |
614 | UV tag = decode_uint (dec); |
832 | UV tag = decode_uint (dec); |
|
|
833 | |
|
|
834 | WANT (1); |
|
|
835 | |
|
|
836 | switch (tag) |
|
|
837 | { |
|
|
838 | case CBOR_TAG_MAGIC: |
|
|
839 | sv = decode_sv (dec); |
|
|
840 | break; |
|
|
841 | |
|
|
842 | case CBOR_TAG_INDIRECTION: |
|
|
843 | sv = newRV_noinc (decode_sv (dec)); |
|
|
844 | break; |
|
|
845 | |
|
|
846 | case CBOR_TAG_STRINGREF_NAMESPACE: |
|
|
847 | { |
|
|
848 | ENTER; SAVETMPS; |
|
|
849 | |
|
|
850 | SAVESPTR (dec->stringref); |
|
|
851 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
852 | |
|
|
853 | sv = decode_sv (dec); |
|
|
854 | |
|
|
855 | FREETMPS; LEAVE; |
|
|
856 | } |
|
|
857 | break; |
|
|
858 | |
|
|
859 | case CBOR_TAG_STRINGREF: |
|
|
860 | { |
|
|
861 | if ((*dec->cur >> 5) != 0) |
|
|
862 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
|
|
863 | |
|
|
864 | UV idx = decode_uint (dec); |
|
|
865 | |
|
|
866 | if (!dec->stringref || (int)idx > AvFILLp (dec->stringref)) |
|
|
867 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
|
|
868 | |
|
|
869 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
|
|
870 | } |
|
|
871 | break; |
|
|
872 | |
|
|
873 | case CBOR_TAG_VALUE_SHAREABLE: |
|
|
874 | { |
|
|
875 | if (ecb_expect_false (!dec->shareable)) |
|
|
876 | dec->shareable = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
877 | |
|
|
878 | sv = newSV (0); |
|
|
879 | av_push (dec->shareable, SvREFCNT_inc_NN (sv)); |
|
|
880 | |
615 | SV *sv = decode_sv (dec); |
881 | SV *osv = decode_sv (dec); |
|
|
882 | sv_setsv (sv, osv); |
|
|
883 | SvREFCNT_dec_NN (osv); |
|
|
884 | } |
|
|
885 | break; |
616 | |
886 | |
617 | if (tag == 55799) // 2.4.5 Self-Describe CBOR |
887 | case CBOR_TAG_VALUE_SHAREDREF: |
|
|
888 | { |
|
|
889 | if ((*dec->cur >> 5) != 0) |
|
|
890 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
|
|
891 | |
|
|
892 | UV idx = decode_uint (dec); |
|
|
893 | |
|
|
894 | if (!dec->shareable || (int)idx > AvFILLp (dec->shareable)) |
|
|
895 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
|
|
896 | |
|
|
897 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
|
|
898 | } |
|
|
899 | break; |
|
|
900 | |
|
|
901 | case CBOR_TAG_PERL_OBJECT: |
|
|
902 | { |
|
|
903 | sv = decode_sv (dec); |
|
|
904 | |
|
|
905 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
|
|
906 | ERR ("corrupted CBOR data (non-array perl object)"); |
|
|
907 | |
|
|
908 | AV *av = (AV *)SvRV (sv); |
|
|
909 | int len = av_len (av) + 1; |
|
|
910 | HV *stash = gv_stashsv (*av_fetch (av, 0, 1), 0); |
|
|
911 | |
|
|
912 | if (!stash) |
|
|
913 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
914 | |
|
|
915 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
916 | |
|
|
917 | if (!method) |
|
|
918 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
919 | |
|
|
920 | dSP; |
|
|
921 | |
|
|
922 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
923 | EXTEND (SP, len + 1); |
|
|
924 | // we re-bless the reference to get overload and other niceties right |
|
|
925 | PUSHs (*av_fetch (av, 0, 1)); |
|
|
926 | PUSHs (sv_cbor); |
|
|
927 | |
|
|
928 | int i; |
|
|
929 | |
|
|
930 | for (i = 1; i < len; ++i) |
|
|
931 | PUSHs (*av_fetch (av, i, 1)); |
|
|
932 | |
|
|
933 | PUTBACK; |
|
|
934 | call_sv ((SV *)GvCV (method), G_SCALAR | G_EVAL); |
|
|
935 | SPAGAIN; |
|
|
936 | |
|
|
937 | if (SvTRUE (ERRSV)) |
|
|
938 | { |
|
|
939 | FREETMPS; LEAVE; |
|
|
940 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
|
|
941 | } |
|
|
942 | |
|
|
943 | SvREFCNT_dec (sv); |
|
|
944 | sv = SvREFCNT_inc (POPs); |
|
|
945 | |
|
|
946 | PUTBACK; |
|
|
947 | |
|
|
948 | FREETMPS; LEAVE; |
|
|
949 | } |
|
|
950 | break; |
|
|
951 | |
|
|
952 | default: |
|
|
953 | { |
|
|
954 | sv = decode_sv (dec); |
|
|
955 | |
|
|
956 | dSP; |
|
|
957 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
958 | EXTEND (SP, 2); |
|
|
959 | PUSHs (newSVuv (tag)); |
|
|
960 | PUSHs (sv); |
|
|
961 | |
|
|
962 | PUTBACK; |
|
|
963 | int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); |
|
|
964 | SPAGAIN; |
|
|
965 | |
|
|
966 | if (SvTRUE (ERRSV)) |
|
|
967 | { |
|
|
968 | FREETMPS; LEAVE; |
|
|
969 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
|
|
970 | } |
|
|
971 | |
|
|
972 | if (count) |
|
|
973 | { |
|
|
974 | SvREFCNT_dec (sv); |
|
|
975 | sv = SvREFCNT_inc (POPs); |
|
|
976 | } |
|
|
977 | else |
|
|
978 | { |
|
|
979 | AV *av = newAV (); |
|
|
980 | av_push (av, newSVuv (tag)); |
|
|
981 | av_push (av, sv); |
|
|
982 | |
|
|
983 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
|
|
984 | ? cbor_tagged_stash |
|
|
985 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
|
|
986 | sv = sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
|
|
987 | } |
|
|
988 | |
|
|
989 | PUTBACK; |
|
|
990 | |
|
|
991 | FREETMPS; LEAVE; |
|
|
992 | } |
|
|
993 | break; |
|
|
994 | } |
|
|
995 | |
618 | return sv; |
996 | return sv; |
619 | |
997 | |
620 | AV *av = newAV (); |
998 | fail: |
621 | av_push (av, newSVuv (tag)); |
999 | SvREFCNT_dec (sv); |
622 | av_push (av, sv); |
1000 | return &PL_sv_undef; |
623 | return newRV_noinc ((SV *)av); |
|
|
624 | } |
1001 | } |
625 | |
1002 | |
626 | static SV * |
1003 | static SV * |
627 | decode_sv (dec_t *dec) |
1004 | decode_sv (dec_t *dec) |
628 | { |
1005 | { |
… | |
… | |
647 | case 7: // misc |
1024 | case 7: // misc |
648 | switch (*dec->cur++ & 31) |
1025 | switch (*dec->cur++ & 31) |
649 | { |
1026 | { |
650 | case 20: |
1027 | case 20: |
651 | #if CBOR_SLOW |
1028 | #if CBOR_SLOW |
652 | cbor_false = get_bool ("CBOR::XS::false"); |
1029 | types_false = get_bool ("Types::Serialiser::false"); |
653 | #endif |
1030 | #endif |
654 | return newSVsv (cbor_false); |
1031 | return newSVsv (types_false); |
655 | case 21: |
1032 | case 21: |
656 | #if CBOR_SLOW |
1033 | #if CBOR_SLOW |
657 | cbor_true = get_bool ("CBOR::XS::true"); |
1034 | types_true = get_bool ("Types::Serialiser::true"); |
658 | #endif |
1035 | #endif |
659 | return newSVsv (cbor_true); |
1036 | return newSVsv (types_true); |
660 | case 22: |
1037 | case 22: |
661 | return newSVsv (&PL_sv_undef); |
1038 | return newSVsv (&PL_sv_undef); |
|
|
1039 | case 23: |
|
|
1040 | #if CBOR_SLOW |
|
|
1041 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
1042 | #endif |
|
|
1043 | return newSVsv (types_error); |
662 | |
1044 | |
663 | case 25: |
1045 | case 25: |
664 | { |
1046 | { |
665 | WANT (2); |
1047 | WANT (2); |
666 | |
1048 | |
… | |
… | |
710 | } |
1092 | } |
711 | |
1093 | |
712 | static SV * |
1094 | static SV * |
713 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1095 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
714 | { |
1096 | { |
715 | dec_t dec; |
1097 | dec_t dec = { }; |
716 | SV *sv; |
1098 | SV *sv; |
|
|
1099 | STRLEN len; |
|
|
1100 | char *data = SvPVbyte (string, len); |
717 | |
1101 | |
718 | /* work around bugs in 5.10 where manipulating magic values |
|
|
719 | * makes perl ignore the magic in subsequent accesses. |
|
|
720 | * also make a copy of non-PV values, to get them into a clean |
|
|
721 | * state (SvPV should do that, but it's buggy, see below). |
|
|
722 | */ |
|
|
723 | /*SvGETMAGIC (string);*/ |
|
|
724 | if (SvMAGICAL (string) || !SvPOK (string)) |
|
|
725 | string = sv_2mortal (newSVsv (string)); |
|
|
726 | |
|
|
727 | SvUPGRADE (string, SVt_PV); |
|
|
728 | |
|
|
729 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
|
|
730 | * assertion with -DDEBUGGING, although SvCUR is documented to |
|
|
731 | * return the xpv_cur field which certainly exists after upgrading. |
|
|
732 | * according to nicholas clark, calling SvPOK fixes this. |
|
|
733 | * But it doesn't fix it, so try another workaround, call SvPV_nolen |
|
|
734 | * and hope for the best. |
|
|
735 | * Damnit, SvPV_nolen still trips over yet another assertion. This |
|
|
736 | * assertion business is seriously broken, try yet another workaround |
|
|
737 | * for the broken -DDEBUGGING. |
|
|
738 | */ |
|
|
739 | { |
|
|
740 | #ifdef DEBUGGING |
|
|
741 | STRLEN offset = SvOK (string) ? sv_len (string) : 0; |
|
|
742 | #else |
|
|
743 | STRLEN offset = SvCUR (string); |
|
|
744 | #endif |
|
|
745 | |
|
|
746 | if (offset > cbor->max_size && cbor->max_size) |
1102 | if (len > cbor->max_size && cbor->max_size) |
747 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
1103 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
748 | (unsigned long)SvCUR (string), (unsigned long)cbor->max_size); |
1104 | (unsigned long)len, (unsigned long)cbor->max_size); |
749 | } |
|
|
750 | |
|
|
751 | sv_utf8_downgrade (string, 0); |
|
|
752 | |
1105 | |
753 | dec.cbor = *cbor; |
1106 | dec.cbor = *cbor; |
754 | dec.cur = (U8 *)SvPVX (string); |
1107 | dec.cur = (U8 *)data; |
755 | dec.end = (U8 *)SvEND (string); |
1108 | dec.end = (U8 *)data + len; |
756 | dec.err = 0; |
|
|
757 | dec.depth = 0; |
|
|
758 | |
1109 | |
759 | sv = decode_sv (&dec); |
1110 | sv = decode_sv (&dec); |
760 | |
1111 | |
761 | if (offset_return) |
1112 | if (offset_return) |
762 | *offset_return = dec.cur; |
1113 | *offset_return = dec.cur; |
… | |
… | |
766 | dec.err = "garbage after CBOR object"; |
1117 | dec.err = "garbage after CBOR object"; |
767 | |
1118 | |
768 | if (dec.err) |
1119 | if (dec.err) |
769 | { |
1120 | { |
770 | SvREFCNT_dec (sv); |
1121 | SvREFCNT_dec (sv); |
771 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)SvPVX (string), (int)(uint8_t)*dec.cur); |
1122 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
772 | } |
1123 | } |
773 | |
1124 | |
774 | sv = sv_2mortal (sv); |
1125 | sv = sv_2mortal (sv); |
775 | |
1126 | |
776 | return sv; |
1127 | return sv; |
… | |
… | |
782 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
1133 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
783 | |
1134 | |
784 | BOOT: |
1135 | BOOT: |
785 | { |
1136 | { |
786 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
1137 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
787 | cbor_boolean_stash = gv_stashpv ("CBOR::XS::Boolean", 1); |
|
|
788 | cbor_tagged_stash = gv_stashpv ("CBOR::XS::Tagged" , 1); |
1138 | cbor_tagged_stash = gv_stashpv ("CBOR::XS::Tagged" , 1); |
789 | |
1139 | |
790 | cbor_true = get_bool ("CBOR::XS::true"); |
1140 | types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
791 | cbor_false = get_bool ("CBOR::XS::false"); |
1141 | types_error_stash = gv_stashpv ("Types::Serialiser::Error" , 1); |
|
|
1142 | |
|
|
1143 | types_true = get_bool ("Types::Serialiser::true" ); |
|
|
1144 | types_false = get_bool ("Types::Serialiser::false"); |
|
|
1145 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
1146 | |
|
|
1147 | default_filter = newSVpv ("CBOR::XS::default_filter", 0); |
|
|
1148 | |
|
|
1149 | sv_cbor = newSVpv ("CBOR", 0); |
|
|
1150 | SvREADONLY_on (sv_cbor); |
792 | } |
1151 | } |
793 | |
1152 | |
794 | PROTOTYPES: DISABLE |
1153 | PROTOTYPES: DISABLE |
795 | |
1154 | |
796 | void CLONE (...) |
1155 | void CLONE (...) |
797 | CODE: |
1156 | CODE: |
798 | cbor_stash = 0; |
1157 | cbor_stash = 0; |
799 | cbor_boolean_stash = 0; |
|
|
800 | cbor_tagged_stash = 0; |
1158 | cbor_tagged_stash = 0; |
|
|
1159 | types_error_stash = 0; |
|
|
1160 | types_boolean_stash = 0; |
801 | |
1161 | |
802 | void new (char *klass) |
1162 | void new (char *klass) |
803 | PPCODE: |
1163 | PPCODE: |
804 | { |
1164 | { |
805 | SV *pv = NEWSV (0, sizeof (CBOR)); |
1165 | SV *pv = NEWSV (0, sizeof (CBOR)); |
… | |
… | |
813 | |
1173 | |
814 | void shrink (CBOR *self, int enable = 1) |
1174 | void shrink (CBOR *self, int enable = 1) |
815 | ALIAS: |
1175 | ALIAS: |
816 | shrink = F_SHRINK |
1176 | shrink = F_SHRINK |
817 | allow_unknown = F_ALLOW_UNKNOWN |
1177 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
1178 | allow_sharing = F_ALLOW_SHARING |
|
|
1179 | pack_strings = F_PACK_STRINGS |
818 | PPCODE: |
1180 | PPCODE: |
819 | { |
1181 | { |
820 | if (enable) |
1182 | if (enable) |
821 | self->flags |= ix; |
1183 | self->flags |= ix; |
822 | else |
1184 | else |
… | |
… | |
827 | |
1189 | |
828 | void get_shrink (CBOR *self) |
1190 | void get_shrink (CBOR *self) |
829 | ALIAS: |
1191 | ALIAS: |
830 | get_shrink = F_SHRINK |
1192 | get_shrink = F_SHRINK |
831 | get_allow_unknown = F_ALLOW_UNKNOWN |
1193 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
1194 | get_allow_sharing = F_ALLOW_SHARING |
|
|
1195 | get_pack_strings = F_PACK_STRINGS |
832 | PPCODE: |
1196 | PPCODE: |
833 | XPUSHs (boolSV (self->flags & ix)); |
1197 | XPUSHs (boolSV (self->flags & ix)); |
834 | |
1198 | |
835 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
1199 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
836 | PPCODE: |
1200 | PPCODE: |
… | |
… | |
852 | CODE: |
1216 | CODE: |
853 | RETVAL = self->max_size; |
1217 | RETVAL = self->max_size; |
854 | OUTPUT: |
1218 | OUTPUT: |
855 | RETVAL |
1219 | RETVAL |
856 | |
1220 | |
857 | #if 0 //TODO |
1221 | void filter (CBOR *self, SV *filter = 0) |
858 | |
|
|
859 | void filter_cbor_object (CBOR *self, SV *cb = &PL_sv_undef) |
|
|
860 | PPCODE: |
1222 | PPCODE: |
861 | { |
|
|
862 | SvREFCNT_dec (self->cb_object); |
1223 | SvREFCNT_dec (self->filter); |
863 | self->cb_object = SvOK (cb) ? newSVsv (cb) : 0; |
1224 | self->filter = filter ? newSVsv (filter) : filter; |
864 | |
|
|
865 | XPUSHs (ST (0)); |
1225 | XPUSHs (ST (0)); |
866 | } |
|
|
867 | |
1226 | |
868 | void filter_cbor_single_key_object (CBOR *self, SV *key, SV *cb = &PL_sv_undef) |
1227 | SV *get_filter (CBOR *self) |
869 | PPCODE: |
1228 | CODE: |
870 | { |
1229 | RETVAL = self->filter ? self->filter : NEWSV (0, 0); |
871 | if (!self->cb_sk_object) |
1230 | OUTPUT: |
872 | self->cb_sk_object = newHV (); |
1231 | RETVAL |
873 | |
|
|
874 | if (SvOK (cb)) |
|
|
875 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
|
|
876 | else |
|
|
877 | { |
|
|
878 | hv_delete_ent (self->cb_sk_object, key, G_DISCARD, 0); |
|
|
879 | |
|
|
880 | if (!HvKEYS (self->cb_sk_object)) |
|
|
881 | { |
|
|
882 | SvREFCNT_dec (self->cb_sk_object); |
|
|
883 | self->cb_sk_object = 0; |
|
|
884 | } |
|
|
885 | } |
|
|
886 | |
|
|
887 | XPUSHs (ST (0)); |
|
|
888 | } |
|
|
889 | |
|
|
890 | #endif |
|
|
891 | |
1232 | |
892 | void encode (CBOR *self, SV *scalar) |
1233 | void encode (CBOR *self, SV *scalar) |
893 | PPCODE: |
1234 | PPCODE: |
894 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
1235 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
895 | XPUSHs (scalar); |
1236 | XPUSHs (scalar); |
… | |
… | |
908 | EXTEND (SP, 2); |
1249 | EXTEND (SP, 2); |
909 | PUSHs (sv); |
1250 | PUSHs (sv); |
910 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1251 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
911 | } |
1252 | } |
912 | |
1253 | |
913 | #if 0 |
|
|
914 | |
|
|
915 | void DESTROY (CBOR *self) |
1254 | void DESTROY (CBOR *self) |
916 | CODE: |
1255 | PPCODE: |
917 | SvREFCNT_dec (self->cb_sk_object); |
1256 | cbor_free (self); |
918 | SvREFCNT_dec (self->cb_object); |
|
|
919 | |
|
|
920 | #endif |
|
|
921 | |
1257 | |
922 | PROTOTYPES: ENABLE |
1258 | PROTOTYPES: ENABLE |
923 | |
1259 | |
924 | void encode_cbor (SV *scalar) |
1260 | void encode_cbor (SV *scalar) |
925 | PPCODE: |
1261 | PPCODE: |