… | |
… | |
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 | |
14 | // known tags, rfc7049 |
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 |
15 | enum cbor_tag |
29 | enum cbor_tag |
16 | { |
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 |
17 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
41 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
18 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
42 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
19 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
43 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
20 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
44 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
21 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
45 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
22 | CBOR_TAG_BIGFLOAT = 5, // array |
46 | CBOR_TAG_BIGFLOAT = 5, // array |
23 | |
47 | |
24 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
48 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
25 | CBOR_TAG_CONV_B64 = 22, // base64, any |
49 | CBOR_TAG_CONV_B64 = 22, // base64, any |
26 | CBOR_TAG_CONV_HEX = 23, // base16, any |
50 | CBOR_TAG_CONV_HEX = 23, // base16, any |
27 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
51 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
28 | |
52 | |
29 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
53 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
30 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
54 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
31 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
55 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
32 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
56 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
33 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
57 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
34 | |
58 | |
35 | CBOR_TAG_MAGIC = 55799 |
59 | CBOR_TAG_MAGIC = 55799 // self-describe cbor |
36 | }; |
60 | }; |
37 | |
61 | |
38 | #define F_SHRINK 0x00000200UL |
62 | #define F_SHRINK 0x00000001UL |
39 | #define F_ALLOW_UNKNOWN 0x00002000UL |
63 | #define F_ALLOW_UNKNOWN 0x00000002UL |
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64 | #define F_ALLOW_SHARING 0x00000004UL //TODO |
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65 | #define F_ALLOW_STRINGREF 0x00000008UL //TODO |
40 | |
66 | |
41 | #define INIT_SIZE 32 // initial scalar size to be allocated |
67 | #define INIT_SIZE 32 // initial scalar size to be allocated |
42 | |
68 | |
43 | #define SB do { |
69 | #define SB do { |
44 | #define SE } while (0) |
70 | #define SE } while (0) |
… | |
… | |
55 | #else |
81 | #else |
56 | # define CBOR_SLOW 0 |
82 | # define CBOR_SLOW 0 |
57 | # define CBOR_STASH cbor_stash |
83 | # define CBOR_STASH cbor_stash |
58 | #endif |
84 | #endif |
59 | |
85 | |
60 | 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:: |
61 | static SV *cbor_true, *cbor_false; |
87 | static SV *types_true, *types_false, *types_error, *sv_cbor, *default_filter; |
62 | |
88 | |
63 | typedef struct { |
89 | typedef struct { |
64 | U32 flags; |
90 | U32 flags; |
65 | U32 max_depth; |
91 | U32 max_depth; |
66 | STRLEN max_size; |
92 | STRLEN max_size; |
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93 | SV *filter; |
67 | } CBOR; |
94 | } CBOR; |
68 | |
95 | |
69 | ecb_inline void |
96 | ecb_inline void |
70 | cbor_init (CBOR *cbor) |
97 | cbor_init (CBOR *cbor) |
71 | { |
98 | { |
72 | Zero (cbor, 1, CBOR); |
99 | Zero (cbor, 1, CBOR); |
73 | 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); |
74 | } |
107 | } |
75 | |
108 | |
76 | ///////////////////////////////////////////////////////////////////////////// |
109 | ///////////////////////////////////////////////////////////////////////////// |
77 | // utility functions |
110 | // utility functions |
78 | |
111 | |
… | |
… | |
100 | SvPV_renew (sv, SvCUR (sv) + 1); |
133 | SvPV_renew (sv, SvCUR (sv) + 1); |
101 | #endif |
134 | #endif |
102 | } |
135 | } |
103 | } |
136 | } |
104 | |
137 | |
105 | ///////////////////////////////////////////////////////////////////////////// |
138 | // minimum length of a string to be registered for stringref |
106 | // fp hell |
139 | ecb_inline int |
107 | |
140 | minimum_string_length (UV idx) |
108 | //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 | } |
109 | |
152 | |
110 | ///////////////////////////////////////////////////////////////////////////// |
153 | ///////////////////////////////////////////////////////////////////////////// |
111 | // encoder |
154 | // encoder |
112 | |
155 | |
113 | // structure used for encoding CBOR |
156 | // structure used for encoding CBOR |
… | |
… | |
116 | char *cur; // SvPVX (sv) + current output position |
159 | char *cur; // SvPVX (sv) + current output position |
117 | char *end; // SvEND (sv) |
160 | char *end; // SvEND (sv) |
118 | SV *sv; // result scalar |
161 | SV *sv; // result scalar |
119 | CBOR cbor; |
162 | CBOR cbor; |
120 | 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; |
121 | } enc_t; |
168 | } enc_t; |
122 | |
169 | |
123 | ecb_inline void |
170 | ecb_inline void |
124 | need (enc_t *enc, STRLEN len) |
171 | need (enc_t *enc, STRLEN len) |
125 | { |
172 | { |
… | |
… | |
177 | *enc->cur++ = len >> 8; |
224 | *enc->cur++ = len >> 8; |
178 | *enc->cur++ = len; |
225 | *enc->cur++ = len; |
179 | } |
226 | } |
180 | } |
227 | } |
181 | |
228 | |
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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 | |
182 | static void |
235 | static void |
183 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
236 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
184 | { |
237 | { |
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238 | if (ecb_expect_false (enc->cbor.flags & F_ALLOW_STRINGREF)) |
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239 | { |
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240 | SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); |
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241 | |
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242 | if (SvOK (*svp)) |
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243 | { |
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244 | // already registered, use stringref |
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245 | encode_tag (enc, CBOR_TAG_STRINGREF); |
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246 | encode_uint (enc, 0x00, SvUV (*svp)); |
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247 | return; |
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248 | } |
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249 | else if (len >= minimum_string_length (enc->stringref_idx)) |
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250 | { |
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251 | // register only |
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252 | sv_setuv (*svp, enc->stringref_idx); |
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253 | ++enc->stringref_idx; |
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254 | } |
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255 | } |
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256 | |
185 | encode_uint (enc, utf8 ? 0x60 : 0x40, len); |
257 | encode_uint (enc, utf8 ? 0x60 : 0x40, len); |
186 | need (enc, len); |
258 | need (enc, len); |
187 | memcpy (enc->cur, str, len); |
259 | memcpy (enc->cur, str, len); |
188 | enc->cur += len; |
260 | enc->cur += len; |
189 | } |
261 | } |
… | |
… | |
247 | |
319 | |
248 | // encode objects, arrays and special \0=false and \1=true values. |
320 | // encode objects, arrays and special \0=false and \1=true values. |
249 | static void |
321 | static void |
250 | encode_rv (enc_t *enc, SV *sv) |
322 | encode_rv (enc_t *enc, SV *sv) |
251 | { |
323 | { |
252 | svtype svt; |
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253 | |
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254 | SvGETMAGIC (sv); |
324 | SvGETMAGIC (sv); |
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325 | |
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326 | if (ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING) |
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327 | && ecb_expect_false (SvREFCNT (sv) > 1)) |
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328 | { |
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329 | if (!enc->shareable) |
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330 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
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331 | |
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332 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
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333 | |
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334 | if (SvOK (*svp)) |
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335 | { |
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336 | encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF); |
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337 | encode_uint (enc, 0x00, SvUV (*svp)); |
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338 | return; |
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339 | } |
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340 | else |
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341 | { |
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342 | sv_setuv (*svp, enc->shareable_idx); |
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343 | ++enc->shareable_idx; |
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344 | encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE); |
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345 | } |
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346 | } |
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347 | |
255 | svt = SvTYPE (sv); |
348 | svtype svt = SvTYPE (sv); |
256 | |
349 | |
257 | if (ecb_expect_false (SvOBJECT (sv))) |
350 | if (ecb_expect_false (SvOBJECT (sv))) |
258 | { |
351 | { |
259 | HV *boolean_stash = !CBOR_SLOW || cbor_boolean_stash |
352 | HV *boolean_stash = !CBOR_SLOW || types_boolean_stash |
260 | ? cbor_boolean_stash |
353 | ? types_boolean_stash |
261 | : gv_stashpv ("CBOR::XS::Boolean", 1); |
354 | : gv_stashpv ("Types::Serialiser::Boolean", 1); |
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355 | HV *error_stash = !CBOR_SLOW || types_error_stash |
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356 | ? types_error_stash |
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357 | : gv_stashpv ("Types::Serialiser::Error", 1); |
262 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
358 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
263 | ? cbor_tagged_stash |
359 | ? cbor_tagged_stash |
264 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
360 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
265 | |
361 | |
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362 | HV *stash = SvSTASH (sv); |
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363 | GV *method; |
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364 | |
266 | if (SvSTASH (sv) == boolean_stash) |
365 | if (stash == boolean_stash) |
267 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
366 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
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367 | else if (stash == error_stash) |
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368 | encode_ch (enc, 0xe0 | 23); |
268 | else if (SvSTASH (sv) == tagged_stash) |
369 | else if (stash == tagged_stash) |
269 | { |
370 | { |
270 | if (svt != SVt_PVAV) |
371 | if (svt != SVt_PVAV) |
271 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
372 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
272 | |
373 | |
273 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
374 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
274 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
375 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
275 | } |
376 | } |
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377 | else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
|
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378 | { |
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379 | dSP; |
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380 | |
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381 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
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382 | // we re-bless the reference to get overload and other niceties right |
|
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383 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
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384 | |
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385 | PUTBACK; |
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386 | // G_SCALAR ensures that return value is 1 |
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387 | call_sv ((SV *)GvCV (method), G_SCALAR); |
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388 | SPAGAIN; |
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389 | |
|
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390 | // catch this surprisingly common error |
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391 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
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392 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (stash)); |
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393 | |
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394 | encode_sv (enc, POPs); |
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395 | |
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396 | PUTBACK; |
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397 | |
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398 | FREETMPS; LEAVE; |
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399 | } |
|
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400 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
|
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401 | { |
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402 | dSP; |
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403 | |
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404 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
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405 | EXTEND (SP, 2); |
|
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406 | // we re-bless the reference to get overload and other niceties right |
|
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407 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
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408 | PUSHs (sv_cbor); |
|
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409 | |
|
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410 | PUTBACK; |
|
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411 | int count = call_sv ((SV *)GvCV (method), G_ARRAY); |
|
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412 | SPAGAIN; |
|
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413 | |
|
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414 | // catch this surprisingly common error |
|
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415 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
|
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416 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
|
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417 | |
|
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418 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
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419 | encode_uint (enc, 0x80, count + 1); |
|
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420 | encode_str (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
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421 | |
|
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422 | while (count) |
|
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423 | encode_sv (enc, SP[1 - count--]); |
|
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424 | |
|
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425 | PUTBACK; |
|
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426 | |
|
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427 | FREETMPS; LEAVE; |
|
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428 | } |
276 | else |
429 | else |
277 | { |
|
|
278 | // we re-bless the reference to get overload and other niceties right |
|
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279 | GV *to_cbor = gv_fetchmethod_autoload (SvSTASH (sv), "TO_CBOR", 0); |
|
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280 | |
|
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281 | if (to_cbor) |
|
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282 | { |
|
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283 | dSP; |
|
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284 | |
|
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285 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
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286 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
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287 | |
|
|
288 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
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289 | PUTBACK; |
|
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290 | call_sv ((SV *)GvCV (to_cbor), G_SCALAR); |
|
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291 | SPAGAIN; |
|
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292 | |
|
|
293 | // catch this surprisingly common error |
|
|
294 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
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295 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
296 | |
|
|
297 | sv = POPs; |
|
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298 | PUTBACK; |
|
|
299 | |
|
|
300 | encode_sv (enc, sv); |
|
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301 | |
|
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302 | FREETMPS; LEAVE; |
|
|
303 | } |
|
|
304 | else |
|
|
305 | croak ("encountered object '%s', but no TO_CBOR method available on it", |
430 | croak ("encountered object '%s', but no TO_CBOR or FREEZE methods available on it", |
306 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
431 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
307 | } |
|
|
308 | } |
432 | } |
309 | else if (svt == SVt_PVHV) |
433 | else if (svt == SVt_PVHV) |
310 | encode_hv (enc, (HV *)sv); |
434 | encode_hv (enc, (HV *)sv); |
311 | else if (svt == SVt_PVAV) |
435 | else if (svt == SVt_PVAV) |
312 | encode_av (enc, (AV *)sv); |
436 | encode_av (enc, (AV *)sv); |
313 | else if (svt < SVt_PVAV) |
|
|
314 | { |
|
|
315 | STRLEN len = 0; |
|
|
316 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
317 | |
|
|
318 | if (len == 1 && *pv == '1') |
|
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319 | encode_ch (enc, 0xe0 | 21); |
|
|
320 | else if (len == 1 && *pv == '0') |
|
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321 | encode_ch (enc, 0xe0 | 20); |
|
|
322 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
|
323 | encode_ch (enc, 0xe0 | 23); |
|
|
324 | else |
|
|
325 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
|
|
326 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
327 | } |
|
|
328 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
|
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329 | encode_ch (enc, 0xe0 | 23); |
|
|
330 | else |
437 | else |
331 | croak ("encountered %s, but CBOR can only represent references to arrays or hashes", |
438 | { |
332 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
439 | encode_tag (enc, CBOR_TAG_INDIRECTION); |
|
|
440 | encode_sv (enc, sv); |
|
|
441 | } |
333 | } |
442 | } |
334 | |
443 | |
335 | static void |
444 | static void |
336 | encode_nv (enc_t *enc, SV *sv) |
445 | encode_nv (enc_t *enc, SV *sv) |
337 | { |
446 | { |
… | |
… | |
402 | } |
511 | } |
403 | |
512 | |
404 | static SV * |
513 | static SV * |
405 | encode_cbor (SV *scalar, CBOR *cbor) |
514 | encode_cbor (SV *scalar, CBOR *cbor) |
406 | { |
515 | { |
407 | enc_t enc; |
516 | enc_t enc = { }; |
408 | |
517 | |
409 | enc.cbor = *cbor; |
518 | enc.cbor = *cbor; |
410 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
519 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
411 | enc.cur = SvPVX (enc.sv); |
520 | enc.cur = SvPVX (enc.sv); |
412 | enc.end = SvEND (enc.sv); |
521 | enc.end = SvEND (enc.sv); |
413 | enc.depth = 0; |
|
|
414 | |
522 | |
415 | SvPOK_only (enc.sv); |
523 | SvPOK_only (enc.sv); |
|
|
524 | |
|
|
525 | if (cbor->flags & F_ALLOW_STRINGREF) |
|
|
526 | { |
|
|
527 | encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE); |
|
|
528 | enc.stringref[0]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
529 | enc.stringref[1]= (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
530 | } |
|
|
531 | |
416 | encode_sv (&enc, scalar); |
532 | encode_sv (&enc, scalar); |
417 | |
533 | |
418 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
534 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
419 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
535 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
420 | |
536 | |
… | |
… | |
434 | U8 *end; // end of input string |
550 | U8 *end; // end of input string |
435 | const char *err; // parse error, if != 0 |
551 | const char *err; // parse error, if != 0 |
436 | CBOR cbor; |
552 | CBOR cbor; |
437 | U32 depth; // recursion depth |
553 | U32 depth; // recursion depth |
438 | U32 maxdepth; // recursion depth limit |
554 | U32 maxdepth; // recursion depth limit |
|
|
555 | AV *shareable; |
|
|
556 | AV *stringref; |
|
|
557 | SV *decode_tagged; |
439 | } dec_t; |
558 | } dec_t; |
440 | |
559 | |
441 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
560 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
442 | |
561 | |
443 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
562 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
… | |
… | |
537 | SvREFCNT_dec (av); |
656 | SvREFCNT_dec (av); |
538 | DEC_DEC_DEPTH; |
657 | DEC_DEC_DEPTH; |
539 | return &PL_sv_undef; |
658 | return &PL_sv_undef; |
540 | } |
659 | } |
541 | |
660 | |
|
|
661 | static void |
|
|
662 | decode_he (dec_t *dec, HV *hv) |
|
|
663 | { |
|
|
664 | // for speed reasons, we specialcase single-string |
|
|
665 | // byte or utf-8 strings as keys, but only when !stringref |
|
|
666 | |
|
|
667 | if (ecb_expect_true (!dec->stringref)) |
|
|
668 | if (*dec->cur >= 0x40 && *dec->cur <= 0x40 + 27) |
|
|
669 | { |
|
|
670 | I32 len = decode_uint (dec); |
|
|
671 | char *key = (char *)dec->cur; |
|
|
672 | |
|
|
673 | dec->cur += len; |
|
|
674 | |
|
|
675 | if (ecb_expect_false (dec->stringref)) |
|
|
676 | av_push (dec->stringref, newSVpvn (key, len)); |
|
|
677 | |
|
|
678 | hv_store (hv, key, len, decode_sv (dec), 0); |
|
|
679 | |
|
|
680 | return; |
|
|
681 | } |
|
|
682 | else if (*dec->cur >= 0x60 && *dec->cur <= 0x60 + 27) |
|
|
683 | { |
|
|
684 | I32 len = decode_uint (dec); |
|
|
685 | char *key = (char *)dec->cur; |
|
|
686 | |
|
|
687 | dec->cur += len; |
|
|
688 | |
|
|
689 | if (ecb_expect_false (dec->stringref)) |
|
|
690 | av_push (dec->stringref, newSVpvn_utf8 (key, len, 1)); |
|
|
691 | |
|
|
692 | hv_store (hv, key, -len, decode_sv (dec), 0); |
|
|
693 | |
|
|
694 | return; |
|
|
695 | } |
|
|
696 | |
|
|
697 | SV *k = decode_sv (dec); |
|
|
698 | SV *v = decode_sv (dec); |
|
|
699 | |
|
|
700 | hv_store_ent (hv, k, v, 0); |
|
|
701 | SvREFCNT_dec (k); |
|
|
702 | } |
|
|
703 | |
542 | static SV * |
704 | static SV * |
543 | decode_hv (dec_t *dec) |
705 | decode_hv (dec_t *dec) |
544 | { |
706 | { |
545 | HV *hv = newHV (); |
707 | HV *hv = newHV (); |
546 | |
708 | |
… | |
… | |
558 | { |
720 | { |
559 | ++dec->cur; |
721 | ++dec->cur; |
560 | break; |
722 | break; |
561 | } |
723 | } |
562 | |
724 | |
563 | SV *k = decode_sv (dec); |
725 | decode_he (dec, hv); |
564 | SV *v = decode_sv (dec); |
|
|
565 | |
|
|
566 | hv_store_ent (hv, k, v, 0); |
|
|
567 | } |
726 | } |
568 | } |
727 | } |
569 | else |
728 | else |
570 | { |
729 | { |
571 | int len = decode_uint (dec); |
730 | int pairs = decode_uint (dec); |
572 | |
731 | |
573 | while (len--) |
732 | while (pairs--) |
574 | { |
733 | decode_he (dec, hv); |
575 | SV *k = decode_sv (dec); |
|
|
576 | SV *v = decode_sv (dec); |
|
|
577 | |
|
|
578 | hv_store_ent (hv, k, v, 0); |
|
|
579 | } |
|
|
580 | } |
734 | } |
581 | |
735 | |
582 | DEC_DEC_DEPTH; |
736 | DEC_DEC_DEPTH; |
583 | return newRV_noinc ((SV *)hv); |
737 | return newRV_noinc ((SV *)hv); |
584 | |
738 | |
… | |
… | |
618 | STRLEN len = decode_uint (dec); |
772 | STRLEN len = decode_uint (dec); |
619 | |
773 | |
620 | WANT (len); |
774 | WANT (len); |
621 | sv = newSVpvn (dec->cur, len); |
775 | sv = newSVpvn (dec->cur, len); |
622 | dec->cur += len; |
776 | dec->cur += len; |
|
|
777 | |
|
|
778 | if (ecb_expect_false (dec->stringref) |
|
|
779 | && SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1)) |
|
|
780 | av_push (dec->stringref, SvREFCNT_inc_NN (sv)); |
623 | } |
781 | } |
624 | |
782 | |
625 | if (utf8) |
783 | if (utf8) |
626 | SvUTF8_on (sv); |
784 | SvUTF8_on (sv); |
627 | |
785 | |
… | |
… | |
633 | } |
791 | } |
634 | |
792 | |
635 | static SV * |
793 | static SV * |
636 | decode_tagged (dec_t *dec) |
794 | decode_tagged (dec_t *dec) |
637 | { |
795 | { |
|
|
796 | SV *sv = 0; |
638 | UV tag = decode_uint (dec); |
797 | UV tag = decode_uint (dec); |
|
|
798 | |
|
|
799 | WANT (1); |
|
|
800 | |
|
|
801 | switch (tag) |
|
|
802 | { |
|
|
803 | case CBOR_TAG_MAGIC: |
|
|
804 | sv = decode_sv (dec); |
|
|
805 | break; |
|
|
806 | |
|
|
807 | case CBOR_TAG_INDIRECTION: |
|
|
808 | sv = newRV_noinc (decode_sv (dec)); |
|
|
809 | break; |
|
|
810 | |
|
|
811 | case CBOR_TAG_STRINGREF_NAMESPACE: |
|
|
812 | { |
|
|
813 | ENTER; SAVETMPS; |
|
|
814 | |
|
|
815 | SAVESPTR (dec->stringref); |
|
|
816 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
817 | |
|
|
818 | sv = decode_sv (dec); |
|
|
819 | |
|
|
820 | FREETMPS; LEAVE; |
|
|
821 | } |
|
|
822 | break; |
|
|
823 | |
|
|
824 | case CBOR_TAG_STRINGREF: |
|
|
825 | { |
|
|
826 | if ((*dec->cur >> 5) != 0) |
|
|
827 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
|
|
828 | |
|
|
829 | UV idx = decode_uint (dec); |
|
|
830 | |
|
|
831 | if (!dec->stringref || (int)idx > AvFILLp (dec->stringref)) |
|
|
832 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
|
|
833 | |
|
|
834 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
|
|
835 | } |
|
|
836 | break; |
|
|
837 | |
|
|
838 | case CBOR_TAG_VALUE_SHAREABLE: |
|
|
839 | { |
|
|
840 | if (ecb_expect_false (!dec->shareable)) |
|
|
841 | dec->shareable = (AV *)sv_2mortal ((SV *)newAV ()); |
|
|
842 | |
|
|
843 | sv = newSV (0); |
|
|
844 | av_push (dec->shareable, SvREFCNT_inc_NN (sv)); |
|
|
845 | |
639 | SV *sv = decode_sv (dec); |
846 | SV *osv = decode_sv (dec); |
|
|
847 | sv_setsv (sv, osv); |
|
|
848 | SvREFCNT_dec_NN (osv); |
|
|
849 | } |
|
|
850 | break; |
640 | |
851 | |
641 | if (tag == CBOR_TAG_MAGIC) // 2.4.5 Self-Describe CBOR |
852 | case CBOR_TAG_VALUE_SHAREDREF: |
|
|
853 | { |
|
|
854 | if ((*dec->cur >> 5) != 0) |
|
|
855 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
|
|
856 | |
|
|
857 | UV idx = decode_uint (dec); |
|
|
858 | |
|
|
859 | if (!dec->shareable || (int)idx > AvFILLp (dec->shareable)) |
|
|
860 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
|
|
861 | |
|
|
862 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
|
|
863 | } |
|
|
864 | break; |
|
|
865 | |
|
|
866 | case CBOR_TAG_PERL_OBJECT: |
|
|
867 | { |
|
|
868 | sv = decode_sv (dec); |
|
|
869 | |
|
|
870 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
|
|
871 | ERR ("corrupted CBOR data (non-array perl object)"); |
|
|
872 | |
|
|
873 | AV *av = (AV *)SvRV (sv); |
|
|
874 | int len = av_len (av) + 1; |
|
|
875 | HV *stash = gv_stashsv (*av_fetch (av, 0, 1), 0); |
|
|
876 | |
|
|
877 | if (!stash) |
|
|
878 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
879 | |
|
|
880 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
881 | |
|
|
882 | if (!method) |
|
|
883 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
884 | |
|
|
885 | dSP; |
|
|
886 | |
|
|
887 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
888 | EXTEND (SP, len + 1); |
|
|
889 | // we re-bless the reference to get overload and other niceties right |
|
|
890 | PUSHs (*av_fetch (av, 0, 1)); |
|
|
891 | PUSHs (sv_cbor); |
|
|
892 | |
|
|
893 | int i; |
|
|
894 | |
|
|
895 | for (i = 1; i < len; ++i) |
|
|
896 | PUSHs (*av_fetch (av, i, 1)); |
|
|
897 | |
|
|
898 | PUTBACK; |
|
|
899 | call_sv ((SV *)GvCV (method), G_SCALAR | G_EVAL); |
|
|
900 | SPAGAIN; |
|
|
901 | |
|
|
902 | if (SvTRUE (ERRSV)) |
|
|
903 | { |
|
|
904 | FREETMPS; LEAVE; |
|
|
905 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
|
|
906 | } |
|
|
907 | |
|
|
908 | SvREFCNT_dec (sv); |
|
|
909 | sv = SvREFCNT_inc (POPs); |
|
|
910 | |
|
|
911 | PUTBACK; |
|
|
912 | |
|
|
913 | FREETMPS; LEAVE; |
|
|
914 | } |
|
|
915 | break; |
|
|
916 | |
|
|
917 | default: |
|
|
918 | { |
|
|
919 | sv = decode_sv (dec); |
|
|
920 | |
|
|
921 | dSP; |
|
|
922 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
923 | EXTEND (SP, 2); |
|
|
924 | PUSHs (newSVuv (tag)); |
|
|
925 | PUSHs (sv); |
|
|
926 | |
|
|
927 | PUTBACK; |
|
|
928 | int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); |
|
|
929 | SPAGAIN; |
|
|
930 | |
|
|
931 | if (SvTRUE (ERRSV)) |
|
|
932 | { |
|
|
933 | FREETMPS; LEAVE; |
|
|
934 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
|
|
935 | } |
|
|
936 | |
|
|
937 | if (count) |
|
|
938 | { |
|
|
939 | SvREFCNT_dec (sv); |
|
|
940 | sv = SvREFCNT_inc (POPs); |
|
|
941 | } |
|
|
942 | else |
|
|
943 | { |
|
|
944 | AV *av = newAV (); |
|
|
945 | av_push (av, newSVuv (tag)); |
|
|
946 | av_push (av, sv); |
|
|
947 | |
|
|
948 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
|
|
949 | ? cbor_tagged_stash |
|
|
950 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
|
|
951 | sv = sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
|
|
952 | } |
|
|
953 | |
|
|
954 | PUTBACK; |
|
|
955 | |
|
|
956 | FREETMPS; LEAVE; |
|
|
957 | } |
|
|
958 | break; |
|
|
959 | } |
|
|
960 | |
642 | return sv; |
961 | return sv; |
643 | |
962 | |
644 | AV *av = newAV (); |
963 | fail: |
645 | av_push (av, newSVuv (tag)); |
964 | SvREFCNT_dec (sv); |
646 | av_push (av, sv); |
965 | return &PL_sv_undef; |
647 | |
|
|
648 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
|
|
649 | ? cbor_tagged_stash |
|
|
650 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
|
|
651 | |
|
|
652 | return sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
|
|
653 | } |
966 | } |
654 | |
967 | |
655 | static SV * |
968 | static SV * |
656 | decode_sv (dec_t *dec) |
969 | decode_sv (dec_t *dec) |
657 | { |
970 | { |
… | |
… | |
676 | case 7: // misc |
989 | case 7: // misc |
677 | switch (*dec->cur++ & 31) |
990 | switch (*dec->cur++ & 31) |
678 | { |
991 | { |
679 | case 20: |
992 | case 20: |
680 | #if CBOR_SLOW |
993 | #if CBOR_SLOW |
681 | cbor_false = get_bool ("CBOR::XS::false"); |
994 | types_false = get_bool ("Types::Serialiser::false"); |
682 | #endif |
995 | #endif |
683 | return newSVsv (cbor_false); |
996 | return newSVsv (types_false); |
684 | case 21: |
997 | case 21: |
685 | #if CBOR_SLOW |
998 | #if CBOR_SLOW |
686 | cbor_true = get_bool ("CBOR::XS::true"); |
999 | types_true = get_bool ("Types::Serialiser::true"); |
687 | #endif |
1000 | #endif |
688 | return newSVsv (cbor_true); |
1001 | return newSVsv (types_true); |
689 | case 22: |
1002 | case 22: |
690 | return newSVsv (&PL_sv_undef); |
1003 | return newSVsv (&PL_sv_undef); |
|
|
1004 | case 23: |
|
|
1005 | #if CBOR_SLOW |
|
|
1006 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
1007 | #endif |
|
|
1008 | return newSVsv (types_error); |
691 | |
1009 | |
692 | case 25: |
1010 | case 25: |
693 | { |
1011 | { |
694 | WANT (2); |
1012 | WANT (2); |
695 | |
1013 | |
… | |
… | |
739 | } |
1057 | } |
740 | |
1058 | |
741 | static SV * |
1059 | static SV * |
742 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1060 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
743 | { |
1061 | { |
744 | dec_t dec; |
1062 | dec_t dec = { }; |
745 | SV *sv; |
1063 | SV *sv; |
|
|
1064 | STRLEN len; |
|
|
1065 | char *data = SvPVbyte (string, len); |
746 | |
1066 | |
747 | /* work around bugs in 5.10 where manipulating magic values |
|
|
748 | * makes perl ignore the magic in subsequent accesses. |
|
|
749 | * also make a copy of non-PV values, to get them into a clean |
|
|
750 | * state (SvPV should do that, but it's buggy, see below). |
|
|
751 | */ |
|
|
752 | /*SvGETMAGIC (string);*/ |
|
|
753 | if (SvMAGICAL (string) || !SvPOK (string)) |
|
|
754 | string = sv_2mortal (newSVsv (string)); |
|
|
755 | |
|
|
756 | SvUPGRADE (string, SVt_PV); |
|
|
757 | |
|
|
758 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
|
|
759 | * assertion with -DDEBUGGING, although SvCUR is documented to |
|
|
760 | * return the xpv_cur field which certainly exists after upgrading. |
|
|
761 | * according to nicholas clark, calling SvPOK fixes this. |
|
|
762 | * But it doesn't fix it, so try another workaround, call SvPV_nolen |
|
|
763 | * and hope for the best. |
|
|
764 | * Damnit, SvPV_nolen still trips over yet another assertion. This |
|
|
765 | * assertion business is seriously broken, try yet another workaround |
|
|
766 | * for the broken -DDEBUGGING. |
|
|
767 | */ |
|
|
768 | { |
|
|
769 | #ifdef DEBUGGING |
|
|
770 | STRLEN offset = SvOK (string) ? sv_len (string) : 0; |
|
|
771 | #else |
|
|
772 | STRLEN offset = SvCUR (string); |
|
|
773 | #endif |
|
|
774 | |
|
|
775 | if (offset > cbor->max_size && cbor->max_size) |
1067 | if (len > cbor->max_size && cbor->max_size) |
776 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
1068 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
777 | (unsigned long)SvCUR (string), (unsigned long)cbor->max_size); |
1069 | (unsigned long)len, (unsigned long)cbor->max_size); |
778 | } |
|
|
779 | |
|
|
780 | sv_utf8_downgrade (string, 0); |
|
|
781 | |
1070 | |
782 | dec.cbor = *cbor; |
1071 | dec.cbor = *cbor; |
783 | dec.cur = (U8 *)SvPVX (string); |
1072 | dec.cur = (U8 *)data; |
784 | dec.end = (U8 *)SvEND (string); |
1073 | dec.end = (U8 *)data + len; |
785 | dec.err = 0; |
|
|
786 | dec.depth = 0; |
|
|
787 | |
1074 | |
788 | sv = decode_sv (&dec); |
1075 | sv = decode_sv (&dec); |
789 | |
1076 | |
790 | if (offset_return) |
1077 | if (offset_return) |
791 | *offset_return = dec.cur; |
1078 | *offset_return = dec.cur; |
… | |
… | |
795 | dec.err = "garbage after CBOR object"; |
1082 | dec.err = "garbage after CBOR object"; |
796 | |
1083 | |
797 | if (dec.err) |
1084 | if (dec.err) |
798 | { |
1085 | { |
799 | SvREFCNT_dec (sv); |
1086 | SvREFCNT_dec (sv); |
800 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)SvPVX (string), (int)(uint8_t)*dec.cur); |
1087 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
801 | } |
1088 | } |
802 | |
1089 | |
803 | sv = sv_2mortal (sv); |
1090 | sv = sv_2mortal (sv); |
804 | |
1091 | |
805 | return sv; |
1092 | return sv; |
… | |
… | |
811 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
1098 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
812 | |
1099 | |
813 | BOOT: |
1100 | BOOT: |
814 | { |
1101 | { |
815 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
1102 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
816 | cbor_boolean_stash = gv_stashpv ("CBOR::XS::Boolean", 1); |
|
|
817 | cbor_tagged_stash = gv_stashpv ("CBOR::XS::Tagged" , 1); |
1103 | cbor_tagged_stash = gv_stashpv ("CBOR::XS::Tagged" , 1); |
818 | |
1104 | |
819 | cbor_true = get_bool ("CBOR::XS::true"); |
1105 | types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
820 | cbor_false = get_bool ("CBOR::XS::false"); |
1106 | types_error_stash = gv_stashpv ("Types::Serialiser::Error" , 1); |
|
|
1107 | |
|
|
1108 | types_true = get_bool ("Types::Serialiser::true" ); |
|
|
1109 | types_false = get_bool ("Types::Serialiser::false"); |
|
|
1110 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
1111 | |
|
|
1112 | default_filter = newSVpv ("CBOR::XS::default_filter", 0); |
|
|
1113 | |
|
|
1114 | sv_cbor = newSVpv ("CBOR", 0); |
|
|
1115 | SvREADONLY_on (sv_cbor); |
821 | } |
1116 | } |
822 | |
1117 | |
823 | PROTOTYPES: DISABLE |
1118 | PROTOTYPES: DISABLE |
824 | |
1119 | |
825 | void CLONE (...) |
1120 | void CLONE (...) |
826 | CODE: |
1121 | CODE: |
827 | cbor_stash = 0; |
1122 | cbor_stash = 0; |
828 | cbor_boolean_stash = 0; |
|
|
829 | cbor_tagged_stash = 0; |
1123 | cbor_tagged_stash = 0; |
|
|
1124 | types_error_stash = 0; |
|
|
1125 | types_boolean_stash = 0; |
830 | |
1126 | |
831 | void new (char *klass) |
1127 | void new (char *klass) |
832 | PPCODE: |
1128 | PPCODE: |
833 | { |
1129 | { |
834 | SV *pv = NEWSV (0, sizeof (CBOR)); |
1130 | SV *pv = NEWSV (0, sizeof (CBOR)); |
… | |
… | |
842 | |
1138 | |
843 | void shrink (CBOR *self, int enable = 1) |
1139 | void shrink (CBOR *self, int enable = 1) |
844 | ALIAS: |
1140 | ALIAS: |
845 | shrink = F_SHRINK |
1141 | shrink = F_SHRINK |
846 | allow_unknown = F_ALLOW_UNKNOWN |
1142 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
1143 | allow_sharing = F_ALLOW_SHARING |
|
|
1144 | allow_stringref = F_ALLOW_STRINGREF |
847 | PPCODE: |
1145 | PPCODE: |
848 | { |
1146 | { |
849 | if (enable) |
1147 | if (enable) |
850 | self->flags |= ix; |
1148 | self->flags |= ix; |
851 | else |
1149 | else |
… | |
… | |
856 | |
1154 | |
857 | void get_shrink (CBOR *self) |
1155 | void get_shrink (CBOR *self) |
858 | ALIAS: |
1156 | ALIAS: |
859 | get_shrink = F_SHRINK |
1157 | get_shrink = F_SHRINK |
860 | get_allow_unknown = F_ALLOW_UNKNOWN |
1158 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
1159 | get_allow_sharing = F_ALLOW_SHARING |
|
|
1160 | get_allow_stringref = F_ALLOW_STRINGREF |
861 | PPCODE: |
1161 | PPCODE: |
862 | XPUSHs (boolSV (self->flags & ix)); |
1162 | XPUSHs (boolSV (self->flags & ix)); |
863 | |
1163 | |
864 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
1164 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
865 | PPCODE: |
1165 | PPCODE: |
… | |
… | |
881 | CODE: |
1181 | CODE: |
882 | RETVAL = self->max_size; |
1182 | RETVAL = self->max_size; |
883 | OUTPUT: |
1183 | OUTPUT: |
884 | RETVAL |
1184 | RETVAL |
885 | |
1185 | |
886 | #if 0 //TODO |
1186 | void filter (CBOR *self, SV *filter = 0) |
887 | |
|
|
888 | void filter_cbor_object (CBOR *self, SV *cb = &PL_sv_undef) |
|
|
889 | PPCODE: |
1187 | PPCODE: |
890 | { |
|
|
891 | SvREFCNT_dec (self->cb_object); |
1188 | SvREFCNT_dec (self->filter); |
892 | self->cb_object = SvOK (cb) ? newSVsv (cb) : 0; |
1189 | self->filter = filter ? newSVsv (filter) : filter; |
893 | |
|
|
894 | XPUSHs (ST (0)); |
1190 | XPUSHs (ST (0)); |
895 | } |
|
|
896 | |
1191 | |
897 | void filter_cbor_single_key_object (CBOR *self, SV *key, SV *cb = &PL_sv_undef) |
1192 | SV *get_filter (CBOR *self) |
898 | PPCODE: |
1193 | CODE: |
899 | { |
1194 | RETVAL = self->filter ? self->filter : NEWSV (0, 0); |
900 | if (!self->cb_sk_object) |
1195 | OUTPUT: |
901 | self->cb_sk_object = newHV (); |
1196 | RETVAL |
902 | |
|
|
903 | if (SvOK (cb)) |
|
|
904 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
|
|
905 | else |
|
|
906 | { |
|
|
907 | hv_delete_ent (self->cb_sk_object, key, G_DISCARD, 0); |
|
|
908 | |
|
|
909 | if (!HvKEYS (self->cb_sk_object)) |
|
|
910 | { |
|
|
911 | SvREFCNT_dec (self->cb_sk_object); |
|
|
912 | self->cb_sk_object = 0; |
|
|
913 | } |
|
|
914 | } |
|
|
915 | |
|
|
916 | XPUSHs (ST (0)); |
|
|
917 | } |
|
|
918 | |
|
|
919 | #endif |
|
|
920 | |
1197 | |
921 | void encode (CBOR *self, SV *scalar) |
1198 | void encode (CBOR *self, SV *scalar) |
922 | PPCODE: |
1199 | PPCODE: |
923 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
1200 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
924 | XPUSHs (scalar); |
1201 | XPUSHs (scalar); |
… | |
… | |
937 | EXTEND (SP, 2); |
1214 | EXTEND (SP, 2); |
938 | PUSHs (sv); |
1215 | PUSHs (sv); |
939 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1216 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
940 | } |
1217 | } |
941 | |
1218 | |
942 | #if 0 |
|
|
943 | |
|
|
944 | void DESTROY (CBOR *self) |
1219 | void DESTROY (CBOR *self) |
945 | CODE: |
1220 | PPCODE: |
946 | SvREFCNT_dec (self->cb_sk_object); |
1221 | cbor_free (self); |
947 | SvREFCNT_dec (self->cb_object); |
|
|
948 | |
|
|
949 | #endif |
|
|
950 | |
1222 | |
951 | PROTOTYPES: ENABLE |
1223 | PROTOTYPES: ENABLE |
952 | |
1224 | |
953 | void encode_cbor (SV *scalar) |
1225 | void encode_cbor (SV *scalar) |
954 | PPCODE: |
1226 | PPCODE: |