… | |
… | |
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 | |
14 | // known tags |
28 | // known tags |
15 | enum cbor_tag |
29 | enum cbor_tag |
16 | { |
30 | { |
17 | // inofficial extensions (pending iana registration) |
31 | // extensions |
18 | CBOR_TAG_PERL_OBJECT = 256, |
32 | CBOR_TAG_STRINGREF = 25, // http://cbor.schmorp.de/stringref |
19 | CBOR_TAG_GENERIC_OBJECT = 257, |
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 |
20 | |
39 | |
21 | // rfc7049 |
40 | // rfc7049 |
22 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
41 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
23 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
42 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
24 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
43 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
… | |
… | |
38 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
57 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
39 | |
58 | |
40 | CBOR_TAG_MAGIC = 55799 // self-describe cbor |
59 | CBOR_TAG_MAGIC = 55799 // self-describe cbor |
41 | }; |
60 | }; |
42 | |
61 | |
43 | #define F_SHRINK 0x00000200UL |
62 | #define F_SHRINK 0x00000001UL |
44 | #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 |
45 | |
66 | |
46 | #define INIT_SIZE 32 // initial scalar size to be allocated |
67 | #define INIT_SIZE 32 // initial scalar size to be allocated |
47 | |
68 | |
48 | #define SB do { |
69 | #define SB do { |
49 | #define SE } while (0) |
70 | #define SE } while (0) |
… | |
… | |
60 | #else |
81 | #else |
61 | # define CBOR_SLOW 0 |
82 | # define CBOR_SLOW 0 |
62 | # define CBOR_STASH cbor_stash |
83 | # define CBOR_STASH cbor_stash |
63 | #endif |
84 | #endif |
64 | |
85 | |
65 | 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:: |
66 | static SV *cbor_true, *cbor_false; |
87 | static SV *types_true, *types_false, *types_error, *sv_cbor, *default_filter; |
67 | |
88 | |
68 | typedef struct { |
89 | typedef struct { |
69 | U32 flags; |
90 | U32 flags; |
70 | U32 max_depth; |
91 | U32 max_depth; |
71 | STRLEN max_size; |
92 | STRLEN max_size; |
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93 | SV *filter; |
72 | } CBOR; |
94 | } CBOR; |
73 | |
95 | |
74 | ecb_inline void |
96 | ecb_inline void |
75 | cbor_init (CBOR *cbor) |
97 | cbor_init (CBOR *cbor) |
76 | { |
98 | { |
77 | Zero (cbor, 1, CBOR); |
99 | Zero (cbor, 1, CBOR); |
78 | 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); |
79 | } |
107 | } |
80 | |
108 | |
81 | ///////////////////////////////////////////////////////////////////////////// |
109 | ///////////////////////////////////////////////////////////////////////////// |
82 | // utility functions |
110 | // utility functions |
83 | |
111 | |
… | |
… | |
105 | SvPV_renew (sv, SvCUR (sv) + 1); |
133 | SvPV_renew (sv, SvCUR (sv) + 1); |
106 | #endif |
134 | #endif |
107 | } |
135 | } |
108 | } |
136 | } |
109 | |
137 | |
110 | ///////////////////////////////////////////////////////////////////////////// |
138 | // minimum length of a string to be registered for stringref |
111 | // fp hell |
139 | ecb_inline int |
112 | |
140 | minimum_string_length (UV idx) |
113 | //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 | } |
114 | |
152 | |
115 | ///////////////////////////////////////////////////////////////////////////// |
153 | ///////////////////////////////////////////////////////////////////////////// |
116 | // encoder |
154 | // encoder |
117 | |
155 | |
118 | // structure used for encoding CBOR |
156 | // structure used for encoding CBOR |
… | |
… | |
121 | char *cur; // SvPVX (sv) + current output position |
159 | char *cur; // SvPVX (sv) + current output position |
122 | char *end; // SvEND (sv) |
160 | char *end; // SvEND (sv) |
123 | SV *sv; // result scalar |
161 | SV *sv; // result scalar |
124 | CBOR cbor; |
162 | CBOR cbor; |
125 | 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; |
126 | } enc_t; |
168 | } enc_t; |
127 | |
169 | |
128 | ecb_inline void |
170 | ecb_inline void |
129 | need (enc_t *enc, STRLEN len) |
171 | need (enc_t *enc, STRLEN len) |
130 | { |
172 | { |
… | |
… | |
147 | static void |
189 | static void |
148 | encode_uint (enc_t *enc, int major, UV len) |
190 | encode_uint (enc_t *enc, int major, UV len) |
149 | { |
191 | { |
150 | need (enc, 9); |
192 | need (enc, 9); |
151 | |
193 | |
152 | if (len < 24) |
194 | if (ecb_expect_true (len < 24)) |
153 | *enc->cur++ = major | len; |
195 | *enc->cur++ = major | len; |
154 | else if (len <= 0xff) |
196 | else if (ecb_expect_true (len <= 0xff)) |
155 | { |
197 | { |
156 | *enc->cur++ = major | 24; |
198 | *enc->cur++ = major | 24; |
157 | *enc->cur++ = len; |
199 | *enc->cur++ = len; |
158 | } |
200 | } |
159 | else if (len <= 0xffff) |
201 | else if (len <= 0xffff) |
… | |
… | |
182 | *enc->cur++ = len >> 8; |
224 | *enc->cur++ = len >> 8; |
183 | *enc->cur++ = len; |
225 | *enc->cur++ = len; |
184 | } |
226 | } |
185 | } |
227 | } |
186 | |
228 | |
187 | 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 |
188 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
236 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
189 | { |
237 | { |
190 | encode_uint (enc, utf8 ? 0x60 : 0x40, len); |
238 | encode_uint (enc, utf8 ? 0x60 : 0x40, len); |
191 | need (enc, len); |
239 | need (enc, len); |
192 | memcpy (enc->cur, str, len); |
240 | memcpy (enc->cur, str, len); |
193 | enc->cur += len; |
241 | enc->cur += len; |
194 | } |
242 | } |
195 | |
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 | |
196 | static void encode_sv (enc_t *enc, SV *sv); |
269 | static void encode_sv (enc_t *enc, SV *sv); |
197 | |
270 | |
198 | static void |
271 | static void |
199 | encode_av (enc_t *enc, AV *av) |
272 | encode_av (enc_t *enc, AV *av) |
200 | { |
273 | { |
… | |
… | |
237 | while ((he = hv_iternext (hv))) |
310 | while ((he = hv_iternext (hv))) |
238 | { |
311 | { |
239 | if (HeKLEN (he) == HEf_SVKEY) |
312 | if (HeKLEN (he) == HEf_SVKEY) |
240 | encode_sv (enc, HeSVKEY (he)); |
313 | encode_sv (enc, HeSVKEY (he)); |
241 | else |
314 | else |
242 | encode_str (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
315 | encode_strref (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
243 | |
316 | |
244 | 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)); |
245 | } |
318 | } |
246 | |
319 | |
247 | if (mg) |
320 | if (mg) |
… | |
… | |
252 | |
325 | |
253 | // encode objects, arrays and special \0=false and \1=true values. |
326 | // encode objects, arrays and special \0=false and \1=true values. |
254 | static void |
327 | static void |
255 | encode_rv (enc_t *enc, SV *sv) |
328 | encode_rv (enc_t *enc, SV *sv) |
256 | { |
329 | { |
257 | svtype svt; |
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258 | |
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259 | SvGETMAGIC (sv); |
330 | SvGETMAGIC (sv); |
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331 | |
260 | svt = SvTYPE (sv); |
332 | svtype svt = SvTYPE (sv); |
261 | |
333 | |
262 | if (ecb_expect_false (SvOBJECT (sv))) |
334 | if (ecb_expect_false (SvOBJECT (sv))) |
263 | { |
335 | { |
264 | HV *boolean_stash = !CBOR_SLOW || cbor_boolean_stash |
336 | HV *boolean_stash = !CBOR_SLOW || types_boolean_stash |
265 | ? cbor_boolean_stash |
337 | ? types_boolean_stash |
266 | : 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); |
267 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
342 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
268 | ? cbor_tagged_stash |
343 | ? cbor_tagged_stash |
269 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
344 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
270 | |
345 | |
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346 | HV *stash = SvSTASH (sv); |
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347 | GV *method; |
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348 | |
271 | if (SvSTASH (sv) == boolean_stash) |
349 | if (stash == boolean_stash) |
272 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
350 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
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351 | else if (stash == error_stash) |
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352 | encode_ch (enc, 0xe0 | 23); |
273 | else if (SvSTASH (sv) == tagged_stash) |
353 | else if (stash == tagged_stash) |
274 | { |
354 | { |
275 | if (svt != SVt_PVAV) |
355 | if (svt != SVt_PVAV) |
276 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
356 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
277 | |
357 | |
278 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
358 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
279 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
359 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
280 | } |
360 | } |
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361 | else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
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362 | { |
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363 | dSP; |
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364 | |
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365 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
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366 | // we re-bless the reference to get overload and other niceties right |
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367 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
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368 | |
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369 | PUTBACK; |
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370 | // G_SCALAR ensures that return value is 1 |
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371 | call_sv ((SV *)GvCV (method), G_SCALAR); |
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372 | SPAGAIN; |
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373 | |
|
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374 | // catch this surprisingly common error |
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375 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
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376 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (stash)); |
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377 | |
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378 | encode_sv (enc, POPs); |
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379 | |
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380 | PUTBACK; |
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381 | |
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382 | FREETMPS; LEAVE; |
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383 | } |
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384 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
|
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385 | { |
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386 | dSP; |
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387 | |
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388 | ENTER; SAVETMPS; PUSHMARK (SP); |
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389 | EXTEND (SP, 2); |
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390 | // we re-bless the reference to get overload and other niceties right |
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391 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
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392 | PUSHs (sv_cbor); |
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393 | |
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394 | PUTBACK; |
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395 | int count = call_sv ((SV *)GvCV (method), G_ARRAY); |
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396 | SPAGAIN; |
|
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397 | |
|
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398 | // catch this surprisingly common error |
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399 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
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400 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
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401 | |
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402 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
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403 | encode_uint (enc, 0x80, count + 1); |
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404 | encode_strref (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
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405 | |
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406 | while (count) |
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407 | encode_sv (enc, SP[1 - count--]); |
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408 | |
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409 | PUTBACK; |
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410 | |
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411 | FREETMPS; LEAVE; |
|
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412 | } |
281 | else |
413 | else |
282 | { |
|
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283 | // we re-bless the reference to get overload and other niceties right |
|
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284 | GV *to_cbor = gv_fetchmethod_autoload (SvSTASH (sv), "TO_CBOR", 0); |
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285 | |
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286 | if (to_cbor) |
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287 | { |
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288 | dSP; |
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289 | |
|
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290 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
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291 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
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292 | |
|
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293 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
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294 | PUTBACK; |
|
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295 | call_sv ((SV *)GvCV (to_cbor), G_SCALAR); |
|
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296 | SPAGAIN; |
|
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297 | |
|
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298 | // catch this surprisingly common error |
|
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299 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
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300 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
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301 | |
|
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302 | sv = POPs; |
|
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303 | PUTBACK; |
|
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304 | |
|
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305 | encode_sv (enc, sv); |
|
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306 | |
|
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307 | FREETMPS; LEAVE; |
|
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308 | } |
|
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309 | else |
|
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310 | croak ("encountered object '%s', but no TO_CBOR method available on it", |
414 | croak ("encountered object '%s', but no TO_CBOR or FREEZE methods available on it", |
311 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
415 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
312 | } |
|
|
313 | } |
416 | } |
314 | else if (svt == SVt_PVHV) |
417 | else if (svt == SVt_PVHV) |
315 | encode_hv (enc, (HV *)sv); |
418 | encode_hv (enc, (HV *)sv); |
316 | else if (svt == SVt_PVAV) |
419 | else if (svt == SVt_PVAV) |
317 | encode_av (enc, (AV *)sv); |
420 | encode_av (enc, (AV *)sv); |
318 | else if (svt < SVt_PVAV) |
|
|
319 | { |
|
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320 | STRLEN len = 0; |
|
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321 | char *pv = svt ? SvPV (sv, len) : 0; |
|
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322 | |
|
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323 | if (len == 1 && *pv == '1') |
|
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324 | encode_ch (enc, 0xe0 | 21); |
|
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325 | else if (len == 1 && *pv == '0') |
|
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326 | encode_ch (enc, 0xe0 | 20); |
|
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327 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
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328 | encode_ch (enc, 0xe0 | 23); |
|
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329 | else |
|
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330 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
|
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331 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
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332 | } |
|
|
333 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
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334 | encode_ch (enc, 0xe0 | 23); |
|
|
335 | else |
421 | else |
336 | croak ("encountered %s, but CBOR can only represent references to arrays or hashes", |
422 | { |
337 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
423 | if (ecb_expect_false (SvREFCNT (sv) > 1) |
|
|
424 | && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) |
|
|
425 | { |
|
|
426 | if (!enc->shareable) |
|
|
427 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
428 | |
|
|
429 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
|
|
430 | |
|
|
431 | if (SvOK (*svp)) |
|
|
432 | { |
|
|
433 | encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF); |
|
|
434 | encode_uint (enc, 0x00, SvUV (*svp)); |
|
|
435 | return; |
|
|
436 | } |
|
|
437 | else |
|
|
438 | { |
|
|
439 | sv_setuv (*svp, enc->shareable_idx); |
|
|
440 | ++enc->shareable_idx; |
|
|
441 | encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE); |
|
|
442 | } |
|
|
443 | } |
|
|
444 | |
|
|
445 | encode_tag (enc, CBOR_TAG_INDIRECTION); |
|
|
446 | encode_sv (enc, sv); |
|
|
447 | } |
338 | } |
448 | } |
339 | |
449 | |
340 | static void |
450 | static void |
341 | encode_nv (enc_t *enc, SV *sv) |
451 | encode_nv (enc_t *enc, SV *sv) |
342 | { |
452 | { |
… | |
… | |
380 | |
490 | |
381 | if (SvPOKp (sv)) |
491 | if (SvPOKp (sv)) |
382 | { |
492 | { |
383 | STRLEN len; |
493 | STRLEN len; |
384 | char *str = SvPV (sv, len); |
494 | char *str = SvPV (sv, len); |
385 | encode_str (enc, SvUTF8 (sv), str, len); |
495 | encode_strref (enc, SvUTF8 (sv), str, len); |
386 | } |
496 | } |
387 | else if (SvNOKp (sv)) |
497 | else if (SvNOKp (sv)) |
388 | encode_nv (enc, sv); |
498 | encode_nv (enc, sv); |
389 | else if (SvIOKp (sv)) |
499 | else if (SvIOKp (sv)) |
390 | { |
500 | { |
… | |
… | |
407 | } |
517 | } |
408 | |
518 | |
409 | static SV * |
519 | static SV * |
410 | encode_cbor (SV *scalar, CBOR *cbor) |
520 | encode_cbor (SV *scalar, CBOR *cbor) |
411 | { |
521 | { |
412 | enc_t enc; |
522 | enc_t enc = { }; |
413 | |
523 | |
414 | enc.cbor = *cbor; |
524 | enc.cbor = *cbor; |
415 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
525 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
416 | enc.cur = SvPVX (enc.sv); |
526 | enc.cur = SvPVX (enc.sv); |
417 | enc.end = SvEND (enc.sv); |
527 | enc.end = SvEND (enc.sv); |
418 | enc.depth = 0; |
|
|
419 | |
528 | |
420 | SvPOK_only (enc.sv); |
529 | SvPOK_only (enc.sv); |
|
|
530 | |
|
|
531 | if (cbor->flags & F_PACK_STRINGS) |
|
|
532 | { |
|
|
533 | encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE); |
|
|
534 | enc.stringref[0]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
535 | enc.stringref[1]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
536 | } |
|
|
537 | |
421 | encode_sv (&enc, scalar); |
538 | encode_sv (&enc, scalar); |
422 | |
539 | |
423 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
540 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
424 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
541 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
425 | |
542 | |
… | |
… | |
439 | U8 *end; // end of input string |
556 | U8 *end; // end of input string |
440 | const char *err; // parse error, if != 0 |
557 | const char *err; // parse error, if != 0 |
441 | CBOR cbor; |
558 | CBOR cbor; |
442 | U32 depth; // recursion depth |
559 | U32 depth; // recursion depth |
443 | U32 maxdepth; // recursion depth limit |
560 | U32 maxdepth; // recursion depth limit |
|
|
561 | AV *shareable; |
|
|
562 | AV *stringref; |
|
|
563 | SV *decode_tagged; |
444 | } dec_t; |
564 | } dec_t; |
445 | |
565 | |
446 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
566 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
447 | |
567 | |
448 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
568 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
… | |
… | |
542 | SvREFCNT_dec (av); |
662 | SvREFCNT_dec (av); |
543 | DEC_DEC_DEPTH; |
663 | DEC_DEC_DEPTH; |
544 | return &PL_sv_undef; |
664 | return &PL_sv_undef; |
545 | } |
665 | } |
546 | |
666 | |
|
|
667 | static void |
|
|
668 | decode_he (dec_t *dec, HV *hv) |
|
|
669 | { |
|
|
670 | // for speed reasons, we specialcase single-string |
|
|
671 | // byte or utf-8 strings as keys, but only when !stringref |
|
|
672 | |
|
|
673 | if (ecb_expect_true (!dec->stringref)) |
|
|
674 | if (*dec->cur >= 0x40 && *dec->cur <= 0x40 + 27) |
|
|
675 | { |
|
|
676 | I32 len = decode_uint (dec); |
|
|
677 | char *key = (char *)dec->cur; |
|
|
678 | |
|
|
679 | dec->cur += len; |
|
|
680 | |
|
|
681 | if (ecb_expect_false (dec->stringref)) |
|
|
682 | av_push (dec->stringref, newSVpvn (key, len)); |
|
|
683 | |
|
|
684 | hv_store (hv, key, len, decode_sv (dec), 0); |
|
|
685 | |
|
|
686 | return; |
|
|
687 | } |
|
|
688 | else if (*dec->cur >= 0x60 && *dec->cur <= 0x60 + 27) |
|
|
689 | { |
|
|
690 | I32 len = decode_uint (dec); |
|
|
691 | char *key = (char *)dec->cur; |
|
|
692 | |
|
|
693 | dec->cur += len; |
|
|
694 | |
|
|
695 | if (ecb_expect_false (dec->stringref)) |
|
|
696 | av_push (dec->stringref, newSVpvn_utf8 (key, len, 1)); |
|
|
697 | |
|
|
698 | hv_store (hv, key, -len, decode_sv (dec), 0); |
|
|
699 | |
|
|
700 | return; |
|
|
701 | } |
|
|
702 | |
|
|
703 | SV *k = decode_sv (dec); |
|
|
704 | SV *v = decode_sv (dec); |
|
|
705 | |
|
|
706 | hv_store_ent (hv, k, v, 0); |
|
|
707 | SvREFCNT_dec (k); |
|
|
708 | } |
|
|
709 | |
547 | static SV * |
710 | static SV * |
548 | decode_hv (dec_t *dec) |
711 | decode_hv (dec_t *dec) |
549 | { |
712 | { |
550 | HV *hv = newHV (); |
713 | HV *hv = newHV (); |
551 | |
714 | |
… | |
… | |
563 | { |
726 | { |
564 | ++dec->cur; |
727 | ++dec->cur; |
565 | break; |
728 | break; |
566 | } |
729 | } |
567 | |
730 | |
568 | SV *k = decode_sv (dec); |
731 | decode_he (dec, hv); |
569 | SV *v = decode_sv (dec); |
|
|
570 | |
|
|
571 | hv_store_ent (hv, k, v, 0); |
|
|
572 | } |
732 | } |
573 | } |
733 | } |
574 | else |
734 | else |
575 | { |
735 | { |
576 | int len = decode_uint (dec); |
736 | int pairs = decode_uint (dec); |
577 | |
737 | |
578 | while (len--) |
738 | while (pairs--) |
579 | { |
739 | decode_he (dec, hv); |
580 | SV *k = decode_sv (dec); |
|
|
581 | SV *v = decode_sv (dec); |
|
|
582 | |
|
|
583 | hv_store_ent (hv, k, v, 0); |
|
|
584 | } |
|
|
585 | } |
740 | } |
586 | |
741 | |
587 | DEC_DEC_DEPTH; |
742 | DEC_DEC_DEPTH; |
588 | return newRV_noinc ((SV *)hv); |
743 | return newRV_noinc ((SV *)hv); |
589 | |
744 | |
… | |
… | |
598 | { |
753 | { |
599 | SV *sv = 0; |
754 | SV *sv = 0; |
600 | |
755 | |
601 | if ((*dec->cur & 31) == 31) |
756 | if ((*dec->cur & 31) == 31) |
602 | { |
757 | { |
|
|
758 | // indefinite length strings |
603 | ++dec->cur; |
759 | ++dec->cur; |
604 | |
760 | |
|
|
761 | unsigned char major = *dec->cur & 0xe0; |
|
|
762 | |
605 | sv = newSVpvn ("", 0); |
763 | sv = newSVpvn ("", 0); |
606 | |
764 | |
607 | // not very fast, and certainly not robust against illegal input |
|
|
608 | for (;;) |
765 | for (;;) |
609 | { |
766 | { |
610 | WANT (1); |
767 | WANT (1); |
611 | |
768 | |
|
|
769 | if ((*dec->cur ^ major) >= 31) |
612 | if (*dec->cur == (0xe0 | 31)) |
770 | if (*dec->cur == (0xe0 | 31)) |
613 | { |
771 | { |
614 | ++dec->cur; |
772 | ++dec->cur; |
615 | break; |
773 | break; |
616 | } |
774 | } |
|
|
775 | else |
|
|
776 | ERR ("corrupted CBOR data (invalid chunks in indefinite length string)"); |
617 | |
777 | |
618 | sv_catsv (sv, decode_sv (dec)); |
778 | STRLEN len = decode_uint (dec); |
|
|
779 | |
|
|
780 | WANT (len); |
|
|
781 | sv_catpvn (sv, dec->cur, len); |
|
|
782 | dec->cur += len; |
619 | } |
783 | } |
620 | } |
784 | } |
621 | else |
785 | else |
622 | { |
786 | { |
623 | STRLEN len = decode_uint (dec); |
787 | STRLEN len = decode_uint (dec); |
624 | |
788 | |
625 | WANT (len); |
789 | WANT (len); |
626 | sv = newSVpvn (dec->cur, len); |
790 | sv = newSVpvn (dec->cur, len); |
627 | dec->cur += len; |
791 | dec->cur += len; |
|
|
792 | |
|
|
793 | if (ecb_expect_false (dec->stringref) |
|
|
794 | && SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1)) |
|
|
795 | av_push (dec->stringref, SvREFCNT_inc_NN (sv)); |
628 | } |
796 | } |
629 | |
797 | |
630 | if (utf8) |
798 | if (utf8) |
631 | SvUTF8_on (sv); |
799 | SvUTF8_on (sv); |
632 | |
800 | |
… | |
… | |
638 | } |
806 | } |
639 | |
807 | |
640 | static SV * |
808 | static SV * |
641 | decode_tagged (dec_t *dec) |
809 | decode_tagged (dec_t *dec) |
642 | { |
810 | { |
|
|
811 | SV *sv = 0; |
643 | UV tag = decode_uint (dec); |
812 | UV tag = decode_uint (dec); |
|
|
813 | |
|
|
814 | WANT (1); |
|
|
815 | |
|
|
816 | switch (tag) |
|
|
817 | { |
|
|
818 | case CBOR_TAG_MAGIC: |
|
|
819 | sv = decode_sv (dec); |
|
|
820 | break; |
|
|
821 | |
|
|
822 | case CBOR_TAG_INDIRECTION: |
|
|
823 | sv = newRV_noinc (decode_sv (dec)); |
|
|
824 | break; |
|
|
825 | |
|
|
826 | case CBOR_TAG_STRINGREF_NAMESPACE: |
|
|
827 | { |
|
|
828 | ENTER; SAVETMPS; |
|
|
829 | |
|
|
830 | SAVESPTR (dec->stringref); |
|
|
831 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
832 | |
|
|
833 | sv = decode_sv (dec); |
|
|
834 | |
|
|
835 | FREETMPS; LEAVE; |
|
|
836 | } |
|
|
837 | break; |
|
|
838 | |
|
|
839 | case CBOR_TAG_STRINGREF: |
|
|
840 | { |
|
|
841 | if ((*dec->cur >> 5) != 0) |
|
|
842 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
|
|
843 | |
|
|
844 | UV idx = decode_uint (dec); |
|
|
845 | |
|
|
846 | if (!dec->stringref || (int)idx > AvFILLp (dec->stringref)) |
|
|
847 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
|
|
848 | |
|
|
849 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
|
|
850 | } |
|
|
851 | break; |
|
|
852 | |
|
|
853 | case CBOR_TAG_VALUE_SHAREABLE: |
|
|
854 | { |
|
|
855 | if (ecb_expect_false (!dec->shareable)) |
|
|
856 | dec->shareable = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
857 | |
|
|
858 | sv = newSV (0); |
|
|
859 | av_push (dec->shareable, SvREFCNT_inc_NN (sv)); |
|
|
860 | |
644 | SV *sv = decode_sv (dec); |
861 | SV *osv = decode_sv (dec); |
|
|
862 | sv_setsv (sv, osv); |
|
|
863 | SvREFCNT_dec_NN (osv); |
|
|
864 | } |
|
|
865 | break; |
645 | |
866 | |
646 | if (tag == CBOR_TAG_MAGIC) |
867 | case CBOR_TAG_VALUE_SHAREDREF: |
647 | return sv; |
868 | { |
|
|
869 | if ((*dec->cur >> 5) != 0) |
|
|
870 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
648 | |
871 | |
649 | if (tag == CBOR_TAG_PERL_OBJECT) |
872 | UV idx = decode_uint (dec); |
650 | { |
873 | |
|
|
874 | if (!dec->shareable || (int)idx > AvFILLp (dec->shareable)) |
|
|
875 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
|
|
876 | |
|
|
877 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
|
|
878 | } |
|
|
879 | break; |
|
|
880 | |
|
|
881 | case CBOR_TAG_PERL_OBJECT: |
|
|
882 | { |
|
|
883 | sv = decode_sv (dec); |
|
|
884 | |
651 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
885 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
652 | ERR ("corrupted CBOR data (non-array perl object)"); |
886 | ERR ("corrupted CBOR data (non-array perl object)"); |
|
|
887 | |
|
|
888 | AV *av = (AV *)SvRV (sv); |
|
|
889 | int len = av_len (av) + 1; |
|
|
890 | HV *stash = gv_stashsv (*av_fetch (av, 0, 1), 0); |
|
|
891 | |
|
|
892 | if (!stash) |
|
|
893 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
894 | |
|
|
895 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
896 | |
|
|
897 | if (!method) |
|
|
898 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
899 | |
|
|
900 | dSP; |
|
|
901 | |
|
|
902 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
903 | EXTEND (SP, len + 1); |
|
|
904 | // we re-bless the reference to get overload and other niceties right |
|
|
905 | PUSHs (*av_fetch (av, 0, 1)); |
|
|
906 | PUSHs (sv_cbor); |
|
|
907 | |
|
|
908 | int i; |
|
|
909 | |
|
|
910 | for (i = 1; i < len; ++i) |
|
|
911 | PUSHs (*av_fetch (av, i, 1)); |
|
|
912 | |
|
|
913 | PUTBACK; |
|
|
914 | call_sv ((SV *)GvCV (method), G_SCALAR | G_EVAL); |
|
|
915 | SPAGAIN; |
|
|
916 | |
|
|
917 | if (SvTRUE (ERRSV)) |
|
|
918 | { |
|
|
919 | FREETMPS; LEAVE; |
|
|
920 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
|
|
921 | } |
|
|
922 | |
|
|
923 | SvREFCNT_dec (sv); |
|
|
924 | sv = SvREFCNT_inc (POPs); |
|
|
925 | |
|
|
926 | PUTBACK; |
|
|
927 | |
|
|
928 | FREETMPS; LEAVE; |
653 | |
929 | } |
654 | // TODO |
930 | break; |
655 | } |
|
|
656 | |
931 | |
|
|
932 | default: |
|
|
933 | { |
|
|
934 | sv = decode_sv (dec); |
|
|
935 | |
|
|
936 | dSP; |
|
|
937 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
938 | EXTEND (SP, 2); |
|
|
939 | PUSHs (newSVuv (tag)); |
|
|
940 | PUSHs (sv); |
|
|
941 | |
|
|
942 | PUTBACK; |
|
|
943 | int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); |
|
|
944 | SPAGAIN; |
|
|
945 | |
|
|
946 | if (SvTRUE (ERRSV)) |
|
|
947 | { |
|
|
948 | FREETMPS; LEAVE; |
|
|
949 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
|
|
950 | } |
|
|
951 | |
|
|
952 | if (count) |
|
|
953 | { |
|
|
954 | SvREFCNT_dec (sv); |
|
|
955 | sv = SvREFCNT_inc (POPs); |
|
|
956 | } |
|
|
957 | else |
|
|
958 | { |
657 | AV *av = newAV (); |
959 | AV *av = newAV (); |
658 | av_push (av, newSVuv (tag)); |
960 | av_push (av, newSVuv (tag)); |
659 | av_push (av, sv); |
961 | av_push (av, sv); |
660 | |
962 | |
661 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
963 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
662 | ? cbor_tagged_stash |
964 | ? cbor_tagged_stash |
663 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
965 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
664 | |
|
|
665 | return sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
966 | sv = sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
|
|
967 | } |
|
|
968 | |
|
|
969 | PUTBACK; |
|
|
970 | |
|
|
971 | FREETMPS; LEAVE; |
|
|
972 | } |
|
|
973 | break; |
|
|
974 | } |
|
|
975 | |
|
|
976 | return sv; |
666 | |
977 | |
667 | fail: |
978 | fail: |
668 | SvREFCNT_dec (sv); |
979 | SvREFCNT_dec (sv); |
669 | return &PL_sv_undef; |
980 | return &PL_sv_undef; |
670 | } |
981 | } |
… | |
… | |
693 | case 7: // misc |
1004 | case 7: // misc |
694 | switch (*dec->cur++ & 31) |
1005 | switch (*dec->cur++ & 31) |
695 | { |
1006 | { |
696 | case 20: |
1007 | case 20: |
697 | #if CBOR_SLOW |
1008 | #if CBOR_SLOW |
698 | cbor_false = get_bool ("CBOR::XS::false"); |
1009 | types_false = get_bool ("Types::Serialiser::false"); |
699 | #endif |
1010 | #endif |
700 | return newSVsv (cbor_false); |
1011 | return newSVsv (types_false); |
701 | case 21: |
1012 | case 21: |
702 | #if CBOR_SLOW |
1013 | #if CBOR_SLOW |
703 | cbor_true = get_bool ("CBOR::XS::true"); |
1014 | types_true = get_bool ("Types::Serialiser::true"); |
704 | #endif |
1015 | #endif |
705 | return newSVsv (cbor_true); |
1016 | return newSVsv (types_true); |
706 | case 22: |
1017 | case 22: |
707 | return newSVsv (&PL_sv_undef); |
1018 | return newSVsv (&PL_sv_undef); |
|
|
1019 | case 23: |
|
|
1020 | #if CBOR_SLOW |
|
|
1021 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
1022 | #endif |
|
|
1023 | return newSVsv (types_error); |
708 | |
1024 | |
709 | case 25: |
1025 | case 25: |
710 | { |
1026 | { |
711 | WANT (2); |
1027 | WANT (2); |
712 | |
1028 | |
… | |
… | |
756 | } |
1072 | } |
757 | |
1073 | |
758 | static SV * |
1074 | static SV * |
759 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1075 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
760 | { |
1076 | { |
761 | dec_t dec; |
1077 | dec_t dec = { }; |
762 | SV *sv; |
1078 | SV *sv; |
|
|
1079 | STRLEN len; |
|
|
1080 | char *data = SvPVbyte (string, len); |
763 | |
1081 | |
764 | /* work around bugs in 5.10 where manipulating magic values |
|
|
765 | * makes perl ignore the magic in subsequent accesses. |
|
|
766 | * also make a copy of non-PV values, to get them into a clean |
|
|
767 | * state (SvPV should do that, but it's buggy, see below). |
|
|
768 | */ |
|
|
769 | /*SvGETMAGIC (string);*/ |
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|
770 | if (SvMAGICAL (string) || !SvPOK (string)) |
|
|
771 | string = sv_2mortal (newSVsv (string)); |
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|
772 | |
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|
773 | SvUPGRADE (string, SVt_PV); |
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|
774 | |
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|
775 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
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|
776 | * assertion with -DDEBUGGING, although SvCUR is documented to |
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777 | * return the xpv_cur field which certainly exists after upgrading. |
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|
778 | * according to nicholas clark, calling SvPOK fixes this. |
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|
779 | * But it doesn't fix it, so try another workaround, call SvPV_nolen |
|
|
780 | * and hope for the best. |
|
|
781 | * Damnit, SvPV_nolen still trips over yet another assertion. This |
|
|
782 | * assertion business is seriously broken, try yet another workaround |
|
|
783 | * for the broken -DDEBUGGING. |
|
|
784 | */ |
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|
785 | { |
|
|
786 | #ifdef DEBUGGING |
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|
787 | STRLEN offset = SvOK (string) ? sv_len (string) : 0; |
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|
788 | #else |
|
|
789 | STRLEN offset = SvCUR (string); |
|
|
790 | #endif |
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|
791 | |
|
|
792 | if (offset > cbor->max_size && cbor->max_size) |
1082 | if (len > cbor->max_size && cbor->max_size) |
793 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
1083 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
794 | (unsigned long)SvCUR (string), (unsigned long)cbor->max_size); |
1084 | (unsigned long)len, (unsigned long)cbor->max_size); |
795 | } |
|
|
796 | |
|
|
797 | sv_utf8_downgrade (string, 0); |
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|
798 | |
1085 | |
799 | dec.cbor = *cbor; |
1086 | dec.cbor = *cbor; |
800 | dec.cur = (U8 *)SvPVX (string); |
1087 | dec.cur = (U8 *)data; |
801 | dec.end = (U8 *)SvEND (string); |
1088 | dec.end = (U8 *)data + len; |
802 | dec.err = 0; |
|
|
803 | dec.depth = 0; |
|
|
804 | |
1089 | |
805 | sv = decode_sv (&dec); |
1090 | sv = decode_sv (&dec); |
806 | |
1091 | |
807 | if (offset_return) |
1092 | if (offset_return) |
808 | *offset_return = dec.cur; |
1093 | *offset_return = dec.cur; |
… | |
… | |
812 | dec.err = "garbage after CBOR object"; |
1097 | dec.err = "garbage after CBOR object"; |
813 | |
1098 | |
814 | if (dec.err) |
1099 | if (dec.err) |
815 | { |
1100 | { |
816 | SvREFCNT_dec (sv); |
1101 | SvREFCNT_dec (sv); |
817 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)SvPVX (string), (int)(uint8_t)*dec.cur); |
1102 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
818 | } |
1103 | } |
819 | |
1104 | |
820 | sv = sv_2mortal (sv); |
1105 | sv = sv_2mortal (sv); |
821 | |
1106 | |
822 | return sv; |
1107 | return sv; |
… | |
… | |
828 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
1113 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
829 | |
1114 | |
830 | BOOT: |
1115 | BOOT: |
831 | { |
1116 | { |
832 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
1117 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
833 | cbor_boolean_stash = gv_stashpv ("CBOR::XS::Boolean", 1); |
|
|
834 | cbor_tagged_stash = gv_stashpv ("CBOR::XS::Tagged" , 1); |
1118 | cbor_tagged_stash = gv_stashpv ("CBOR::XS::Tagged" , 1); |
835 | |
1119 | |
836 | cbor_true = get_bool ("CBOR::XS::true"); |
1120 | types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
837 | cbor_false = get_bool ("CBOR::XS::false"); |
1121 | types_error_stash = gv_stashpv ("Types::Serialiser::Error" , 1); |
|
|
1122 | |
|
|
1123 | types_true = get_bool ("Types::Serialiser::true" ); |
|
|
1124 | types_false = get_bool ("Types::Serialiser::false"); |
|
|
1125 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
1126 | |
|
|
1127 | default_filter = newSVpv ("CBOR::XS::default_filter", 0); |
|
|
1128 | |
|
|
1129 | sv_cbor = newSVpv ("CBOR", 0); |
|
|
1130 | SvREADONLY_on (sv_cbor); |
838 | } |
1131 | } |
839 | |
1132 | |
840 | PROTOTYPES: DISABLE |
1133 | PROTOTYPES: DISABLE |
841 | |
1134 | |
842 | void CLONE (...) |
1135 | void CLONE (...) |
843 | CODE: |
1136 | CODE: |
844 | cbor_stash = 0; |
1137 | cbor_stash = 0; |
845 | cbor_boolean_stash = 0; |
|
|
846 | cbor_tagged_stash = 0; |
1138 | cbor_tagged_stash = 0; |
|
|
1139 | types_error_stash = 0; |
|
|
1140 | types_boolean_stash = 0; |
847 | |
1141 | |
848 | void new (char *klass) |
1142 | void new (char *klass) |
849 | PPCODE: |
1143 | PPCODE: |
850 | { |
1144 | { |
851 | SV *pv = NEWSV (0, sizeof (CBOR)); |
1145 | SV *pv = NEWSV (0, sizeof (CBOR)); |
… | |
… | |
859 | |
1153 | |
860 | void shrink (CBOR *self, int enable = 1) |
1154 | void shrink (CBOR *self, int enable = 1) |
861 | ALIAS: |
1155 | ALIAS: |
862 | shrink = F_SHRINK |
1156 | shrink = F_SHRINK |
863 | allow_unknown = F_ALLOW_UNKNOWN |
1157 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
1158 | allow_sharing = F_ALLOW_SHARING |
|
|
1159 | pack_strings = F_PACK_STRINGS |
864 | PPCODE: |
1160 | PPCODE: |
865 | { |
1161 | { |
866 | if (enable) |
1162 | if (enable) |
867 | self->flags |= ix; |
1163 | self->flags |= ix; |
868 | else |
1164 | else |
… | |
… | |
873 | |
1169 | |
874 | void get_shrink (CBOR *self) |
1170 | void get_shrink (CBOR *self) |
875 | ALIAS: |
1171 | ALIAS: |
876 | get_shrink = F_SHRINK |
1172 | get_shrink = F_SHRINK |
877 | get_allow_unknown = F_ALLOW_UNKNOWN |
1173 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
1174 | get_allow_sharing = F_ALLOW_SHARING |
|
|
1175 | get_pack_strings = F_PACK_STRINGS |
878 | PPCODE: |
1176 | PPCODE: |
879 | XPUSHs (boolSV (self->flags & ix)); |
1177 | XPUSHs (boolSV (self->flags & ix)); |
880 | |
1178 | |
881 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
1179 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
882 | PPCODE: |
1180 | PPCODE: |
… | |
… | |
898 | CODE: |
1196 | CODE: |
899 | RETVAL = self->max_size; |
1197 | RETVAL = self->max_size; |
900 | OUTPUT: |
1198 | OUTPUT: |
901 | RETVAL |
1199 | RETVAL |
902 | |
1200 | |
903 | #if 0 //TODO |
1201 | void filter (CBOR *self, SV *filter = 0) |
904 | |
|
|
905 | void filter_cbor_object (CBOR *self, SV *cb = &PL_sv_undef) |
|
|
906 | PPCODE: |
1202 | PPCODE: |
907 | { |
|
|
908 | SvREFCNT_dec (self->cb_object); |
1203 | SvREFCNT_dec (self->filter); |
909 | self->cb_object = SvOK (cb) ? newSVsv (cb) : 0; |
1204 | self->filter = filter ? newSVsv (filter) : filter; |
910 | |
|
|
911 | XPUSHs (ST (0)); |
1205 | XPUSHs (ST (0)); |
912 | } |
|
|
913 | |
1206 | |
914 | void filter_cbor_single_key_object (CBOR *self, SV *key, SV *cb = &PL_sv_undef) |
1207 | SV *get_filter (CBOR *self) |
915 | PPCODE: |
1208 | CODE: |
916 | { |
1209 | RETVAL = self->filter ? self->filter : NEWSV (0, 0); |
917 | if (!self->cb_sk_object) |
1210 | OUTPUT: |
918 | self->cb_sk_object = newHV (); |
1211 | RETVAL |
919 | |
|
|
920 | if (SvOK (cb)) |
|
|
921 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
|
|
922 | else |
|
|
923 | { |
|
|
924 | hv_delete_ent (self->cb_sk_object, key, G_DISCARD, 0); |
|
|
925 | |
|
|
926 | if (!HvKEYS (self->cb_sk_object)) |
|
|
927 | { |
|
|
928 | SvREFCNT_dec (self->cb_sk_object); |
|
|
929 | self->cb_sk_object = 0; |
|
|
930 | } |
|
|
931 | } |
|
|
932 | |
|
|
933 | XPUSHs (ST (0)); |
|
|
934 | } |
|
|
935 | |
|
|
936 | #endif |
|
|
937 | |
1212 | |
938 | void encode (CBOR *self, SV *scalar) |
1213 | void encode (CBOR *self, SV *scalar) |
939 | PPCODE: |
1214 | PPCODE: |
940 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
1215 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
941 | XPUSHs (scalar); |
1216 | XPUSHs (scalar); |
… | |
… | |
954 | EXTEND (SP, 2); |
1229 | EXTEND (SP, 2); |
955 | PUSHs (sv); |
1230 | PUSHs (sv); |
956 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1231 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
957 | } |
1232 | } |
958 | |
1233 | |
959 | #if 0 |
|
|
960 | |
|
|
961 | void DESTROY (CBOR *self) |
1234 | void DESTROY (CBOR *self) |
962 | CODE: |
1235 | PPCODE: |
963 | SvREFCNT_dec (self->cb_sk_object); |
1236 | cbor_free (self); |
964 | SvREFCNT_dec (self->cb_object); |
|
|
965 | |
|
|
966 | #endif |
|
|
967 | |
1237 | |
968 | PROTOTYPES: ENABLE |
1238 | PROTOTYPES: ENABLE |
969 | |
1239 | |
970 | void encode_cbor (SV *scalar) |
1240 | void encode_cbor (SV *scalar) |
971 | PPCODE: |
1241 | PPCODE: |