… | |
… | |
6 | #include <string.h> |
6 | #include <string.h> |
7 | #include <stdlib.h> |
7 | #include <stdlib.h> |
8 | #include <stdio.h> |
8 | #include <stdio.h> |
9 | #include <limits.h> |
9 | #include <limits.h> |
10 | #include <float.h> |
10 | #include <float.h> |
|
|
11 | #include <inttypes.h> |
11 | |
12 | |
|
|
13 | #define ECB_NO_THREADS 1 |
12 | #include "ecb.h" |
14 | #include "ecb.h" |
13 | |
15 | |
14 | // compatibility with perl <5.18 |
16 | // compatibility with perl <5.18 |
15 | #ifndef HvNAMELEN_get |
17 | #ifndef HvNAMELEN_get |
16 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
18 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
… | |
… | |
19 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
21 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
20 | #endif |
22 | #endif |
21 | #ifndef HvNAMEUTF8 |
23 | #ifndef HvNAMEUTF8 |
22 | # define HvNAMEUTF8(hv) 0 |
24 | # define HvNAMEUTF8(hv) 0 |
23 | #endif |
25 | #endif |
|
|
26 | #ifndef SvREFCNT_inc_NN |
|
|
27 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
|
|
28 | #endif |
|
|
29 | #ifndef SvREFCNT_dec_NN |
|
|
30 | # define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
|
|
31 | #endif |
|
|
32 | |
|
|
33 | // known major and minor types |
|
|
34 | enum cbor_type |
|
|
35 | { |
|
|
36 | MAJOR_SHIFT = 5, |
|
|
37 | MINOR_MASK = 0x1f, |
|
|
38 | |
|
|
39 | MAJOR_POS_INT = 0 << MAJOR_SHIFT, |
|
|
40 | MAJOR_NEG_INT = 1 << MAJOR_SHIFT, |
|
|
41 | MAJOR_BYTES = 2 << MAJOR_SHIFT, |
|
|
42 | MAJOR_TEXT = 3 << MAJOR_SHIFT, |
|
|
43 | MAJOR_ARRAY = 4 << MAJOR_SHIFT, |
|
|
44 | MAJOR_MAP = 5 << MAJOR_SHIFT, |
|
|
45 | MAJOR_TAG = 6 << MAJOR_SHIFT, |
|
|
46 | MAJOR_MISC = 7 << MAJOR_SHIFT, |
|
|
47 | |
|
|
48 | // INT/STRING/ARRAY/MAP subtypes |
|
|
49 | LENGTH_EXT1 = 24, |
|
|
50 | LENGTH_EXT2 = 25, |
|
|
51 | LENGTH_EXT4 = 26, |
|
|
52 | LENGTH_EXT8 = 27, |
|
|
53 | |
|
|
54 | // SIMPLE types (effectively MISC subtypes) |
|
|
55 | SIMPLE_FALSE = 20, |
|
|
56 | SIMPLE_TRUE = 21, |
|
|
57 | SIMPLE_NULL = 22, |
|
|
58 | SIMPLE_UNDEF = 23, |
|
|
59 | |
|
|
60 | // MISC subtype (unused) |
|
|
61 | MISC_EXT1 = 24, |
|
|
62 | MISC_FLOAT16 = 25, |
|
|
63 | MISC_FLOAT32 = 26, |
|
|
64 | MISC_FLOAT64 = 27, |
|
|
65 | |
|
|
66 | // BYTES/TEXT/ARRAY/MAP |
|
|
67 | MINOR_INDEF = 31, |
|
|
68 | }; |
24 | |
69 | |
25 | // known tags |
70 | // known tags |
26 | enum cbor_tag |
71 | enum cbor_tag |
27 | { |
72 | { |
28 | // inofficial extensions (pending iana registration) |
73 | // extensions |
|
|
74 | CBOR_TAG_STRINGREF = 25, // http://cbor.schmorp.de/stringref |
29 | CBOR_TAG_PERL_OBJECT = 24, // http://cbor.schmorp.de/perl-object |
75 | CBOR_TAG_PERL_OBJECT = 26, // http://cbor.schmorp.de/perl-object |
30 | CBOR_TAG_GENERIC_OBJECT = 25, // http://cbor.schmorp.de/generic-object |
76 | CBOR_TAG_GENERIC_OBJECT = 27, // http://cbor.schmorp.de/generic-object |
31 | CBOR_TAG_VALUE_SHAREABLE = 26, // http://cbor.schmorp.de/value-sharing |
77 | CBOR_TAG_VALUE_SHAREABLE = 28, // http://cbor.schmorp.de/value-sharing |
32 | CBOR_TAG_VALUE_SHAREDREF = 27, // http://cbor.schmorp.de/value-sharing |
78 | CBOR_TAG_VALUE_SHAREDREF = 29, // http://cbor.schmorp.de/value-sharing |
33 | CBOR_TAG_STRINGREF_NAMESPACE = 65537, // http://cbor.schmorp.de/stringref |
79 | CBOR_TAG_STRINGREF_NAMESPACE = 256, // http://cbor.schmorp.de/stringref |
34 | CBOR_TAG_STRINGREF = 28, // http://cbor.schmorp.de/stringref |
|
|
35 | CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection |
80 | CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection |
36 | |
81 | |
37 | // rfc7049 |
82 | // rfc7049 |
38 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
83 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
39 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
84 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
40 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
85 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
41 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
86 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
42 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
87 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
43 | CBOR_TAG_BIGFLOAT = 5, // array |
88 | CBOR_TAG_BIGFLOAT = 5, // array |
44 | |
89 | |
45 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
90 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
46 | CBOR_TAG_CONV_B64 = 22, // base64, any |
91 | CBOR_TAG_CONV_B64 = 22, // base64, any |
47 | CBOR_TAG_CONV_HEX = 23, // base16, any |
92 | CBOR_TAG_CONV_HEX = 23, // base16, any |
48 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
93 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
49 | |
94 | |
50 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
95 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
51 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
96 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
52 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
97 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
53 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
98 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
54 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
99 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
55 | |
100 | |
56 | CBOR_TAG_MAGIC = 55799 // self-describe cbor |
101 | CBOR_TAG_MAGIC = 55799, // self-describe cbor |
|
|
102 | }; |
|
|
103 | |
|
|
104 | // known forced types, also hardcoded in CBOR.pm |
|
|
105 | enum |
|
|
106 | { |
|
|
107 | AS_CBOR = 0, |
|
|
108 | AS_INT = 1, |
|
|
109 | AS_BYTES = 2, |
|
|
110 | AS_TEXT = 3, |
|
|
111 | AS_FLOAT16 = 4, |
|
|
112 | AS_FLOAT32 = 5, |
|
|
113 | AS_FLOAT64 = 6, |
|
|
114 | AS_MAP = 7, |
|
|
115 | // possibly future enhancements: (generic) float, (generic) string |
57 | }; |
116 | }; |
58 | |
117 | |
59 | #define F_SHRINK 0x00000001UL |
118 | #define F_SHRINK 0x00000001UL |
60 | #define F_ALLOW_UNKNOWN 0x00000002UL |
119 | #define F_ALLOW_UNKNOWN 0x00000002UL |
61 | #define F_ALLOW_SHARING 0x00000004UL //TODO |
120 | #define F_ALLOW_SHARING 0x00000004UL |
62 | #define F_ALLOW_STRINGREF 0x00000008UL //TODO |
121 | #define F_ALLOW_CYCLES 0x00000008UL |
|
|
122 | #define F_FORBID_OBJECTS 0x00000010UL |
|
|
123 | #define F_PACK_STRINGS 0x00000020UL |
|
|
124 | #define F_TEXT_KEYS 0x00000040UL |
|
|
125 | #define F_TEXT_STRINGS 0x00000080UL |
|
|
126 | #define F_VALIDATE_UTF8 0x00000100UL |
63 | |
127 | |
64 | #define INIT_SIZE 32 // initial scalar size to be allocated |
128 | #define INIT_SIZE 32 // initial scalar size to be allocated |
65 | |
129 | |
66 | #define SB do { |
130 | #define SB do { |
67 | #define SE } while (0) |
131 | #define SE } while (0) |
… | |
… | |
79 | # define CBOR_SLOW 0 |
143 | # define CBOR_SLOW 0 |
80 | # define CBOR_STASH cbor_stash |
144 | # define CBOR_STASH cbor_stash |
81 | #endif |
145 | #endif |
82 | |
146 | |
83 | static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS:: |
147 | static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS:: |
84 | static SV *types_true, *types_false, *types_error, *sv_cbor; |
148 | static SV *types_true, *types_false, *types_error, *sv_cbor, *default_filter; |
85 | |
149 | |
86 | typedef struct { |
150 | typedef struct { |
87 | U32 flags; |
151 | U32 flags; |
88 | U32 max_depth; |
152 | U32 max_depth; |
89 | STRLEN max_size; |
153 | STRLEN max_size; |
|
|
154 | SV *filter; |
|
|
155 | |
|
|
156 | // for the incremental parser |
|
|
157 | STRLEN incr_pos; // the current offset into the text |
|
|
158 | STRLEN incr_need; // minimum bytes needed to decode |
|
|
159 | AV *incr_count; // for every nesting level, the number of outstanding values, or -1 for indef. |
90 | } CBOR; |
160 | } CBOR; |
91 | |
161 | |
92 | ecb_inline void |
162 | ecb_inline void |
93 | cbor_init (CBOR *cbor) |
163 | cbor_init (CBOR *cbor) |
94 | { |
164 | { |
95 | Zero (cbor, 1, CBOR); |
165 | Zero (cbor, 1, CBOR); |
96 | cbor->max_depth = 512; |
166 | cbor->max_depth = 512; |
|
|
167 | } |
|
|
168 | |
|
|
169 | ecb_inline void |
|
|
170 | cbor_free (CBOR *cbor) |
|
|
171 | { |
|
|
172 | SvREFCNT_dec (cbor->filter); |
|
|
173 | SvREFCNT_dec (cbor->incr_count); |
97 | } |
174 | } |
98 | |
175 | |
99 | ///////////////////////////////////////////////////////////////////////////// |
176 | ///////////////////////////////////////////////////////////////////////////// |
100 | // utility functions |
177 | // utility functions |
101 | |
178 | |
… | |
… | |
127 | |
204 | |
128 | // minimum length of a string to be registered for stringref |
205 | // minimum length of a string to be registered for stringref |
129 | ecb_inline int |
206 | ecb_inline int |
130 | minimum_string_length (UV idx) |
207 | minimum_string_length (UV idx) |
131 | { |
208 | { |
132 | return idx > 23 |
209 | return idx <= 23 ? 3 |
133 | ? idx > 0xffU |
210 | : idx <= 0xffU ? 4 |
134 | ? idx > 0xffffU |
211 | : idx <= 0xffffU ? 5 |
135 | ? idx > 0xffffffffU |
212 | : idx <= 0xffffffffU ? 7 |
136 | ? 7 |
213 | : 11; |
137 | : 6 |
|
|
138 | : 5 |
|
|
139 | : 4 |
|
|
140 | : 3; |
|
|
141 | } |
214 | } |
142 | |
215 | |
143 | ///////////////////////////////////////////////////////////////////////////// |
216 | ///////////////////////////////////////////////////////////////////////////// |
144 | // encoder |
217 | // encoder |
145 | |
218 | |
… | |
… | |
158 | } enc_t; |
231 | } enc_t; |
159 | |
232 | |
160 | ecb_inline void |
233 | ecb_inline void |
161 | need (enc_t *enc, STRLEN len) |
234 | need (enc_t *enc, STRLEN len) |
162 | { |
235 | { |
163 | if (ecb_expect_false (enc->cur + len >= enc->end)) |
236 | if (ecb_expect_false ((uintptr_t)(enc->end - enc->cur) < len)) |
164 | { |
237 | { |
165 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
238 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
166 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
239 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
167 | enc->cur = SvPVX (enc->sv) + cur; |
240 | enc->cur = SvPVX (enc->sv) + cur; |
168 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
241 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
169 | } |
242 | } |
170 | } |
243 | } |
171 | |
244 | |
|
|
245 | static void encode_sv (enc_t *enc, SV *sv); |
|
|
246 | |
172 | ecb_inline void |
247 | ecb_inline void |
173 | encode_ch (enc_t *enc, char ch) |
248 | encode_ch (enc_t *enc, char ch) |
174 | { |
249 | { |
175 | need (enc, 1); |
250 | need (enc, 1); |
176 | *enc->cur++ = ch; |
251 | *enc->cur++ = ch; |
177 | } |
252 | } |
178 | |
253 | |
|
|
254 | // used for tags, intregers, element counts and so on |
179 | static void |
255 | static void |
180 | encode_uint (enc_t *enc, int major, UV len) |
256 | encode_uint (enc_t *enc, int major, UV len) |
181 | { |
257 | { |
182 | need (enc, 9); |
258 | need (enc, 9); |
183 | |
259 | |
184 | if (len < 24) |
260 | if (ecb_expect_true (len < LENGTH_EXT1)) |
185 | *enc->cur++ = major | len; |
261 | *enc->cur++ = major | len; |
186 | else if (len <= 0xff) |
262 | else if (ecb_expect_true (len <= 0xffU)) |
187 | { |
263 | { |
188 | *enc->cur++ = major | 24; |
264 | *enc->cur++ = major | LENGTH_EXT1; |
189 | *enc->cur++ = len; |
265 | *enc->cur++ = len; |
190 | } |
266 | } |
191 | else if (len <= 0xffff) |
267 | else if (len <= 0xffffU) |
192 | { |
268 | { |
193 | *enc->cur++ = major | 25; |
269 | *enc->cur++ = major | LENGTH_EXT2; |
194 | *enc->cur++ = len >> 8; |
270 | *enc->cur++ = len >> 8; |
195 | *enc->cur++ = len; |
271 | *enc->cur++ = len; |
196 | } |
272 | } |
197 | else if (len <= 0xffffffff) |
273 | else if (len <= 0xffffffffU) |
198 | { |
274 | { |
199 | *enc->cur++ = major | 26; |
275 | *enc->cur++ = major | LENGTH_EXT4; |
200 | *enc->cur++ = len >> 24; |
276 | *enc->cur++ = len >> 24; |
201 | *enc->cur++ = len >> 16; |
277 | *enc->cur++ = len >> 16; |
202 | *enc->cur++ = len >> 8; |
278 | *enc->cur++ = len >> 8; |
203 | *enc->cur++ = len; |
279 | *enc->cur++ = len; |
204 | } |
280 | } |
205 | else |
281 | else |
206 | { |
282 | { |
207 | *enc->cur++ = major | 27; |
283 | *enc->cur++ = major | LENGTH_EXT8; |
208 | *enc->cur++ = len >> 56; |
284 | *enc->cur++ = len >> 56; |
209 | *enc->cur++ = len >> 48; |
285 | *enc->cur++ = len >> 48; |
210 | *enc->cur++ = len >> 40; |
286 | *enc->cur++ = len >> 40; |
211 | *enc->cur++ = len >> 32; |
287 | *enc->cur++ = len >> 32; |
212 | *enc->cur++ = len >> 24; |
288 | *enc->cur++ = len >> 24; |
… | |
… | |
214 | *enc->cur++ = len >> 8; |
290 | *enc->cur++ = len >> 8; |
215 | *enc->cur++ = len; |
291 | *enc->cur++ = len; |
216 | } |
292 | } |
217 | } |
293 | } |
218 | |
294 | |
|
|
295 | // encodes a perl value into a CBOR integer |
|
|
296 | ecb_inline void |
|
|
297 | encode_int (enc_t *enc, SV *sv) |
|
|
298 | { |
|
|
299 | if (SvIsUV (sv)) |
|
|
300 | encode_uint (enc, MAJOR_POS_INT, SvUVX (sv)); |
|
|
301 | else if (SvIVX (sv) >= 0) |
|
|
302 | encode_uint (enc, MAJOR_POS_INT, SvIVX (sv)); |
|
|
303 | else |
|
|
304 | encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1)); |
|
|
305 | } |
|
|
306 | |
219 | ecb_inline void |
307 | ecb_inline void |
220 | encode_tag (enc_t *enc, UV tag) |
308 | encode_tag (enc_t *enc, UV tag) |
221 | { |
309 | { |
222 | encode_uint (enc, 0xc0, tag); |
310 | encode_uint (enc, MAJOR_TAG, tag); |
223 | } |
311 | } |
224 | |
312 | |
225 | static void |
313 | // exceptional (hopefully) slow path for byte strings that need to be utf8-encoded |
|
|
314 | ecb_noinline static void |
226 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
315 | encode_str_utf8 (enc_t *enc, int utf8, char *str, STRLEN len) |
227 | { |
316 | { |
|
|
317 | STRLEN ulen = len; |
|
|
318 | U8 *p, *pend = (U8 *)str + len; |
|
|
319 | |
|
|
320 | for (p = (U8 *)str; p < pend; ++p) |
|
|
321 | ulen += *p >> 7; // count set high bits |
|
|
322 | |
|
|
323 | encode_uint (enc, MAJOR_TEXT, ulen); |
|
|
324 | |
|
|
325 | need (enc, ulen); |
|
|
326 | for (p = (U8 *)str; p < pend; ++p) |
|
|
327 | if (*p < 0x80) |
|
|
328 | *enc->cur++ = *p; |
|
|
329 | else |
|
|
330 | { |
|
|
331 | *enc->cur++ = 0xc0 + (*p >> 6); |
|
|
332 | *enc->cur++ = 0x80 + (*p & 63); |
|
|
333 | } |
|
|
334 | } |
|
|
335 | |
|
|
336 | ecb_inline void |
|
|
337 | encode_str (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len) |
|
|
338 | { |
|
|
339 | if (ecb_expect_false (upgrade_utf8)) |
|
|
340 | if (!utf8) |
|
|
341 | { |
|
|
342 | encode_str_utf8 (enc, utf8, str, len); |
|
|
343 | return; |
|
|
344 | } |
|
|
345 | |
|
|
346 | encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); |
|
|
347 | need (enc, len); |
|
|
348 | memcpy (enc->cur, str, len); |
|
|
349 | enc->cur += len; |
|
|
350 | } |
|
|
351 | |
|
|
352 | ecb_inline void |
|
|
353 | encode_strref (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len) |
|
|
354 | { |
228 | if (ecb_expect_false (enc->cbor.flags & F_ALLOW_STRINGREF)) |
355 | if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) |
229 | { |
356 | { |
230 | SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); |
357 | SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); |
231 | |
358 | |
232 | if (SvOK (*svp)) |
359 | if (SvOK (*svp)) |
233 | { |
360 | { |
234 | // already registered, use stringref |
361 | // already registered, use stringref |
235 | encode_tag (enc, CBOR_TAG_STRINGREF); |
362 | encode_tag (enc, CBOR_TAG_STRINGREF); |
236 | encode_uint (enc, 0x00, SvUV (*svp)); |
363 | encode_uint (enc, MAJOR_POS_INT, SvUV (*svp)); |
237 | return; |
364 | return; |
238 | } |
365 | } |
239 | else if (len >= minimum_string_length (enc->stringref_idx)) |
366 | else if (len >= minimum_string_length (enc->stringref_idx)) |
240 | { |
367 | { |
241 | // register only |
368 | // register only |
242 | sv_setuv (*svp, enc->stringref_idx); |
369 | sv_setuv (*svp, enc->stringref_idx); |
243 | ++enc->stringref_idx; |
370 | ++enc->stringref_idx; |
244 | } |
371 | } |
245 | } |
372 | } |
246 | |
373 | |
247 | encode_uint (enc, utf8 ? 0x60 : 0x40, len); |
374 | encode_str (enc, upgrade_utf8, utf8, str, len); |
|
|
375 | } |
|
|
376 | |
|
|
377 | ecb_inline void |
|
|
378 | encode_float16 (enc_t *enc, NV nv) |
|
|
379 | { |
248 | need (enc, len); |
380 | need (enc, 1+2); |
|
|
381 | |
|
|
382 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT16; |
|
|
383 | |
|
|
384 | uint16_t fp = ecb_float_to_binary16 (nv); |
|
|
385 | |
|
|
386 | if (!ecb_big_endian ()) |
|
|
387 | fp = ecb_bswap16 (fp); |
|
|
388 | |
249 | memcpy (enc->cur, str, len); |
389 | memcpy (enc->cur, &fp, 2); |
250 | enc->cur += len; |
390 | enc->cur += 2; |
251 | } |
391 | } |
252 | |
392 | |
253 | static void encode_sv (enc_t *enc, SV *sv); |
393 | ecb_inline void |
|
|
394 | encode_float32 (enc_t *enc, NV nv) |
|
|
395 | { |
|
|
396 | need (enc, 1+4); |
|
|
397 | |
|
|
398 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT32; |
|
|
399 | |
|
|
400 | uint32_t fp = ecb_float_to_binary32 (nv); |
|
|
401 | |
|
|
402 | if (!ecb_big_endian ()) |
|
|
403 | fp = ecb_bswap32 (fp); |
|
|
404 | |
|
|
405 | memcpy (enc->cur, &fp, 4); |
|
|
406 | enc->cur += 4; |
|
|
407 | } |
|
|
408 | |
|
|
409 | ecb_inline void |
|
|
410 | encode_float64 (enc_t *enc, NV nv) |
|
|
411 | { |
|
|
412 | need (enc, 1+8); |
|
|
413 | |
|
|
414 | *enc->cur++ = MAJOR_MISC | MISC_FLOAT64; |
|
|
415 | |
|
|
416 | uint64_t fp = ecb_double_to_binary64 (nv); |
|
|
417 | |
|
|
418 | if (!ecb_big_endian ()) |
|
|
419 | fp = ecb_bswap64 (fp); |
|
|
420 | |
|
|
421 | memcpy (enc->cur, &fp, 8); |
|
|
422 | enc->cur += 8; |
|
|
423 | } |
|
|
424 | |
|
|
425 | ecb_inline void |
|
|
426 | encode_bool (enc_t *enc, int istrue) |
|
|
427 | { |
|
|
428 | encode_ch (enc, istrue ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE); |
|
|
429 | } |
|
|
430 | |
|
|
431 | // encodes an arrayref containing key-value pairs as CBOR map |
|
|
432 | ecb_inline void |
|
|
433 | encode_array_as_map (enc_t *enc, SV *sv) |
|
|
434 | { |
|
|
435 | if (enc->depth >= enc->cbor.max_depth) |
|
|
436 | croak (ERR_NESTING_EXCEEDED); |
|
|
437 | |
|
|
438 | ++enc->depth; |
|
|
439 | |
|
|
440 | // as_map does error checking for us, but we re-check in case |
|
|
441 | // things have changed. |
|
|
442 | |
|
|
443 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
|
|
444 | croak ("CBOR::XS::as_map requires an array reference (did you change the array after calling as_map?)"); |
|
|
445 | |
|
|
446 | AV *av = (AV *)SvRV (sv); |
|
|
447 | int i, len = av_len (av); |
|
|
448 | |
|
|
449 | if (!(len & 1)) |
|
|
450 | croak ("CBOR::XS::as_map requires an even number of elements (did you change the array after calling as_map?)"); |
|
|
451 | |
|
|
452 | encode_uint (enc, MAJOR_MAP, (len + 1) >> 1); |
|
|
453 | |
|
|
454 | for (i = 0; i <= len; ++i) |
|
|
455 | { |
|
|
456 | SV **svp = av_fetch (av, i, 0); |
|
|
457 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
|
|
458 | } |
|
|
459 | |
|
|
460 | --enc->depth; |
|
|
461 | } |
|
|
462 | |
|
|
463 | ecb_inline void |
|
|
464 | encode_forced (enc_t *enc, UV type, SV *sv) |
|
|
465 | { |
|
|
466 | switch (type) |
|
|
467 | { |
|
|
468 | case AS_CBOR: |
|
|
469 | { |
|
|
470 | STRLEN len; |
|
|
471 | char *str = SvPVbyte (sv, len); |
|
|
472 | |
|
|
473 | need (enc, len); |
|
|
474 | memcpy (enc->cur, str, len); |
|
|
475 | enc->cur += len; |
|
|
476 | } |
|
|
477 | break; |
|
|
478 | |
|
|
479 | case AS_BYTES: |
|
|
480 | { |
|
|
481 | STRLEN len; |
|
|
482 | char *str = SvPVbyte (sv, len); |
|
|
483 | encode_strref (enc, 0, 0, str, len); |
|
|
484 | } |
|
|
485 | break; |
|
|
486 | |
|
|
487 | case AS_TEXT: |
|
|
488 | { |
|
|
489 | STRLEN len; |
|
|
490 | char *str = SvPVutf8 (sv, len); |
|
|
491 | encode_strref (enc, 1, 1, str, len); |
|
|
492 | } |
|
|
493 | break; |
|
|
494 | |
|
|
495 | case AS_INT: encode_int (enc, sv); break; |
|
|
496 | |
|
|
497 | case AS_FLOAT16: encode_float16 (enc, SvNV (sv)); break; |
|
|
498 | case AS_FLOAT32: encode_float32 (enc, SvNV (sv)); break; |
|
|
499 | case AS_FLOAT64: encode_float64 (enc, SvNV (sv)); break; |
|
|
500 | |
|
|
501 | case AS_MAP: encode_array_as_map (enc, sv); break; |
|
|
502 | |
|
|
503 | default: |
|
|
504 | croak ("encountered malformed CBOR::XS::Tagged object"); |
|
|
505 | } |
|
|
506 | } |
254 | |
507 | |
255 | static void |
508 | static void |
256 | encode_av (enc_t *enc, AV *av) |
509 | encode_av (enc_t *enc, AV *av) |
257 | { |
510 | { |
258 | int i, len = av_len (av); |
511 | int i, len = av_len (av); |
… | |
… | |
260 | if (enc->depth >= enc->cbor.max_depth) |
513 | if (enc->depth >= enc->cbor.max_depth) |
261 | croak (ERR_NESTING_EXCEEDED); |
514 | croak (ERR_NESTING_EXCEEDED); |
262 | |
515 | |
263 | ++enc->depth; |
516 | ++enc->depth; |
264 | |
517 | |
265 | encode_uint (enc, 0x80, len + 1); |
518 | encode_uint (enc, MAJOR_ARRAY, len + 1); |
266 | |
519 | |
|
|
520 | if (ecb_expect_false (SvMAGICAL (av))) |
267 | for (i = 0; i <= len; ++i) |
521 | for (i = 0; i <= len; ++i) |
268 | { |
522 | { |
269 | SV **svp = av_fetch (av, i, 0); |
523 | SV **svp = av_fetch (av, i, 0); |
270 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
524 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
271 | } |
525 | } |
|
|
526 | else |
|
|
527 | for (i = 0; i <= len; ++i) |
|
|
528 | { |
|
|
529 | SV *sv = AvARRAY (av)[i]; |
|
|
530 | encode_sv (enc, sv ? sv : &PL_sv_undef); |
|
|
531 | } |
272 | |
532 | |
273 | --enc->depth; |
533 | --enc->depth; |
274 | } |
|
|
275 | |
|
|
276 | ecb_inline void |
|
|
277 | encode_he (enc_t *enc, HE *he) |
|
|
278 | { |
|
|
279 | } |
534 | } |
280 | |
535 | |
281 | static void |
536 | static void |
282 | encode_hv (enc_t *enc, HV *hv) |
537 | encode_hv (enc_t *enc, HV *hv) |
283 | { |
538 | { |
… | |
… | |
289 | ++enc->depth; |
544 | ++enc->depth; |
290 | |
545 | |
291 | int pairs = hv_iterinit (hv); |
546 | int pairs = hv_iterinit (hv); |
292 | int mg = SvMAGICAL (hv); |
547 | int mg = SvMAGICAL (hv); |
293 | |
548 | |
294 | if (mg) |
549 | if (ecb_expect_false (mg)) |
295 | encode_ch (enc, 0xa0 | 31); |
550 | encode_ch (enc, MAJOR_MAP | MINOR_INDEF); |
296 | else |
551 | else |
297 | encode_uint (enc, 0xa0, pairs); |
552 | encode_uint (enc, MAJOR_MAP, pairs); |
298 | |
553 | |
299 | while ((he = hv_iternext (hv))) |
554 | while ((he = hv_iternext (hv))) |
300 | { |
555 | { |
301 | if (HeKLEN (he) == HEf_SVKEY) |
556 | if (HeKLEN (he) == HEf_SVKEY) |
302 | encode_sv (enc, HeSVKEY (he)); |
557 | encode_sv (enc, HeSVKEY (he)); |
303 | else |
558 | else |
304 | encode_str (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
559 | encode_strref (enc, enc->cbor.flags & (F_TEXT_KEYS | F_TEXT_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he)); |
305 | |
560 | |
306 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
561 | encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); |
307 | } |
562 | } |
308 | |
563 | |
309 | if (mg) |
564 | if (ecb_expect_false (mg)) |
310 | encode_ch (enc, 0xe0 | 31); |
565 | encode_ch (enc, MAJOR_MISC | MINOR_INDEF); |
311 | |
566 | |
312 | --enc->depth; |
567 | --enc->depth; |
313 | } |
568 | } |
314 | |
569 | |
315 | // encode objects, arrays and special \0=false and \1=true values. |
570 | // encode objects, arrays and special \0=false and \1=true values. |
316 | static void |
571 | static void |
317 | encode_rv (enc_t *enc, SV *sv) |
572 | encode_rv (enc_t *enc, SV *sv) |
318 | { |
573 | { |
319 | SvGETMAGIC (sv); |
574 | SvGETMAGIC (sv); |
320 | |
|
|
321 | if (ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING) |
|
|
322 | && ecb_expect_false (SvREFCNT (sv) > 1)) |
|
|
323 | { |
|
|
324 | if (!enc->shareable) |
|
|
325 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
326 | |
|
|
327 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
|
|
328 | |
|
|
329 | if (SvOK (*svp)) |
|
|
330 | { |
|
|
331 | encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF); |
|
|
332 | encode_uint (enc, 0x00, SvUV (*svp)); |
|
|
333 | return; |
|
|
334 | } |
|
|
335 | else |
|
|
336 | { |
|
|
337 | sv_setuv (*svp, enc->shareable_idx); |
|
|
338 | ++enc->shareable_idx; |
|
|
339 | encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE); |
|
|
340 | } |
|
|
341 | } |
|
|
342 | |
575 | |
343 | svtype svt = SvTYPE (sv); |
576 | svtype svt = SvTYPE (sv); |
344 | |
577 | |
345 | if (ecb_expect_false (SvOBJECT (sv))) |
578 | if (ecb_expect_false (SvOBJECT (sv))) |
346 | { |
579 | { |
… | |
… | |
353 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
586 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
354 | ? cbor_tagged_stash |
587 | ? cbor_tagged_stash |
355 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
588 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
356 | |
589 | |
357 | HV *stash = SvSTASH (sv); |
590 | HV *stash = SvSTASH (sv); |
358 | GV *method; |
|
|
359 | |
591 | |
360 | if (stash == boolean_stash) |
592 | if (stash == boolean_stash) |
361 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
593 | { |
|
|
594 | encode_bool (enc, SvIV (sv)); |
|
|
595 | return; |
|
|
596 | } |
362 | else if (stash == error_stash) |
597 | else if (stash == error_stash) |
363 | encode_ch (enc, 0xe0 | 23); |
598 | { |
|
|
599 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
|
|
600 | return; |
|
|
601 | } |
364 | else if (stash == tagged_stash) |
602 | else if (stash == tagged_stash) |
365 | { |
603 | { |
366 | if (svt != SVt_PVAV) |
604 | if (svt != SVt_PVAV) |
367 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
605 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
368 | |
606 | |
|
|
607 | switch (av_len ((AV *)sv)) |
|
|
608 | { |
|
|
609 | case 2-1: |
|
|
610 | // actually a tagged value |
369 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
611 | encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
370 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
612 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
|
|
613 | break; |
|
|
614 | |
|
|
615 | case 3-1: |
|
|
616 | // a forced type [value, type, undef] |
|
|
617 | encode_forced (enc, SvUV (*av_fetch ((AV *)sv, 1, 1)), *av_fetch ((AV *)sv, 0, 1)); |
|
|
618 | break; |
|
|
619 | |
|
|
620 | default: |
|
|
621 | croak ("encountered malformed CBOR::XS::Tagged object"); |
|
|
622 | } |
|
|
623 | |
|
|
624 | return; |
|
|
625 | } |
|
|
626 | } |
|
|
627 | |
|
|
628 | if (ecb_expect_false (SvREFCNT (sv) > 1) |
|
|
629 | && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)) |
|
|
630 | { |
|
|
631 | if (ecb_expect_false (!enc->shareable)) |
|
|
632 | enc->shareable = (HV *)sv_2mortal ((SV *)newHV ()); |
|
|
633 | |
|
|
634 | SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1); |
|
|
635 | |
|
|
636 | if (SvOK (*svp)) |
371 | } |
637 | { |
|
|
638 | encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF); |
|
|
639 | encode_uint (enc, MAJOR_POS_INT, SvUV (*svp)); |
|
|
640 | return; |
|
|
641 | } |
|
|
642 | else |
|
|
643 | { |
|
|
644 | sv_setuv (*svp, enc->shareable_idx); |
|
|
645 | ++enc->shareable_idx; |
|
|
646 | encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE); |
|
|
647 | } |
|
|
648 | } |
|
|
649 | |
|
|
650 | if (ecb_expect_false (SvOBJECT (sv))) |
|
|
651 | { |
|
|
652 | HV *stash = SvSTASH (sv); |
|
|
653 | GV *method; |
|
|
654 | |
|
|
655 | if (enc->cbor.flags & F_FORBID_OBJECTS) |
|
|
656 | croak ("encountered object '%s', but forbid_objects is enabled", |
|
|
657 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
372 | else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
658 | else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
373 | { |
659 | { |
374 | dSP; |
660 | dSP; |
375 | |
661 | |
376 | ENTER; SAVETMPS; PUSHMARK (SP); |
662 | ENTER; SAVETMPS; |
|
|
663 | PUSHMARK (SP); |
377 | // we re-bless the reference to get overload and other niceties right |
664 | // we re-bless the reference to get overload and other niceties right |
378 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
665 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
379 | |
666 | |
380 | PUTBACK; |
667 | PUTBACK; |
381 | // G_SCALAR ensures that return value is 1 |
668 | // G_SCALAR ensures that return value is 1 |
… | |
… | |
394 | } |
681 | } |
395 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
682 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
396 | { |
683 | { |
397 | dSP; |
684 | dSP; |
398 | |
685 | |
399 | ENTER; SAVETMPS; PUSHMARK (SP); |
686 | ENTER; SAVETMPS; |
|
|
687 | PUSHMARK (SP); |
400 | EXTEND (SP, 2); |
688 | EXTEND (SP, 2); |
401 | // we re-bless the reference to get overload and other niceties right |
689 | // we re-bless the reference to get overload and other niceties right |
402 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
690 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
403 | PUSHs (sv_cbor); |
691 | PUSHs (sv_cbor); |
404 | |
692 | |
… | |
… | |
409 | // catch this surprisingly common error |
697 | // catch this surprisingly common error |
410 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
698 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
411 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
699 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
412 | |
700 | |
413 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
701 | encode_tag (enc, CBOR_TAG_PERL_OBJECT); |
414 | encode_uint (enc, 0x80, count + 1); |
702 | encode_uint (enc, MAJOR_ARRAY, count + 1); |
415 | encode_str (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
703 | encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
416 | |
704 | |
417 | while (count) |
705 | { |
|
|
706 | int i; |
|
|
707 | |
|
|
708 | for (i = 0; i < count; ++i) |
418 | encode_sv (enc, SP[1 - count--]); |
709 | encode_sv (enc, SP[i + 1 - count]); |
|
|
710 | |
|
|
711 | SP -= count; |
|
|
712 | } |
419 | |
713 | |
420 | PUTBACK; |
714 | PUTBACK; |
421 | |
715 | |
422 | FREETMPS; LEAVE; |
716 | FREETMPS; LEAVE; |
423 | } |
717 | } |
… | |
… | |
441 | { |
735 | { |
442 | double nv = SvNVX (sv); |
736 | double nv = SvNVX (sv); |
443 | |
737 | |
444 | need (enc, 9); |
738 | need (enc, 9); |
445 | |
739 | |
446 | if (ecb_expect_false (nv == (U32)nv)) |
740 | if (ecb_expect_false (nv == (NV)(U32)nv)) |
447 | encode_uint (enc, 0x00, (U32)nv); |
741 | encode_uint (enc, MAJOR_POS_INT, (U32)nv); |
448 | //TODO: maybe I32? |
742 | //TODO: maybe I32? |
449 | else if (ecb_expect_false (nv == (float)nv)) |
743 | else if (ecb_expect_false (nv == (float)nv)) |
450 | { |
744 | encode_float32 (enc, nv); |
451 | uint32_t fp = ecb_float_to_binary32 (nv); |
|
|
452 | |
|
|
453 | *enc->cur++ = 0xe0 | 26; |
|
|
454 | |
|
|
455 | if (!ecb_big_endian ()) |
|
|
456 | fp = ecb_bswap32 (fp); |
|
|
457 | |
|
|
458 | memcpy (enc->cur, &fp, 4); |
|
|
459 | enc->cur += 4; |
|
|
460 | } |
|
|
461 | else |
745 | else |
462 | { |
746 | encode_float64 (enc, nv); |
463 | uint64_t fp = ecb_double_to_binary64 (nv); |
|
|
464 | |
|
|
465 | *enc->cur++ = 0xe0 | 27; |
|
|
466 | |
|
|
467 | if (!ecb_big_endian ()) |
|
|
468 | fp = ecb_bswap64 (fp); |
|
|
469 | |
|
|
470 | memcpy (enc->cur, &fp, 8); |
|
|
471 | enc->cur += 8; |
|
|
472 | } |
|
|
473 | } |
747 | } |
474 | |
748 | |
475 | static void |
749 | static void |
476 | encode_sv (enc_t *enc, SV *sv) |
750 | encode_sv (enc_t *enc, SV *sv) |
477 | { |
751 | { |
… | |
… | |
479 | |
753 | |
480 | if (SvPOKp (sv)) |
754 | if (SvPOKp (sv)) |
481 | { |
755 | { |
482 | STRLEN len; |
756 | STRLEN len; |
483 | char *str = SvPV (sv, len); |
757 | char *str = SvPV (sv, len); |
484 | encode_str (enc, SvUTF8 (sv), str, len); |
758 | encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len); |
485 | } |
759 | } |
486 | else if (SvNOKp (sv)) |
760 | else if (SvNOKp (sv)) |
487 | encode_nv (enc, sv); |
761 | encode_nv (enc, sv); |
488 | else if (SvIOKp (sv)) |
762 | else if (SvIOKp (sv)) |
489 | { |
763 | encode_int (enc, sv); |
490 | if (SvIsUV (sv)) |
|
|
491 | encode_uint (enc, 0x00, SvUVX (sv)); |
|
|
492 | else if (SvIVX (sv) >= 0) |
|
|
493 | encode_uint (enc, 0x00, SvIVX (sv)); |
|
|
494 | else |
|
|
495 | encode_uint (enc, 0x20, -(SvIVX (sv) + 1)); |
|
|
496 | } |
|
|
497 | else if (SvROK (sv)) |
764 | else if (SvROK (sv)) |
498 | encode_rv (enc, SvRV (sv)); |
765 | encode_rv (enc, SvRV (sv)); |
499 | else if (!SvOK (sv)) |
766 | else if (!SvOK (sv)) |
500 | encode_ch (enc, 0xe0 | 22); |
767 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
501 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
768 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
502 | encode_ch (enc, 0xe0 | 23); |
769 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
503 | else |
770 | else |
504 | croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data", |
771 | croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data", |
505 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
772 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
506 | } |
773 | } |
507 | |
774 | |
508 | static SV * |
775 | static SV * |
509 | encode_cbor (SV *scalar, CBOR *cbor) |
776 | encode_cbor (SV *scalar, CBOR *cbor) |
510 | { |
777 | { |
511 | enc_t enc = { }; |
778 | enc_t enc = { 0 }; |
512 | |
779 | |
513 | enc.cbor = *cbor; |
780 | enc.cbor = *cbor; |
514 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
781 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
515 | enc.cur = SvPVX (enc.sv); |
782 | enc.cur = SvPVX (enc.sv); |
516 | enc.end = SvEND (enc.sv); |
783 | enc.end = SvEND (enc.sv); |
517 | |
784 | |
518 | SvPOK_only (enc.sv); |
785 | SvPOK_only (enc.sv); |
519 | |
786 | |
520 | if (cbor->flags & F_ALLOW_STRINGREF) |
787 | if (cbor->flags & F_PACK_STRINGS) |
521 | { |
788 | { |
522 | encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE); |
789 | encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE); |
523 | enc.stringref[0]= (HV *)sv_2mortal ((SV *)newHV ()); |
790 | enc.stringref[0]= (HV *)sv_2mortal ((SV *)newHV ()); |
524 | enc.stringref[1]= (HV *)sv_2mortal ((SV *)newHV ()); |
791 | enc.stringref[1]= (HV *)sv_2mortal ((SV *)newHV ()); |
525 | } |
792 | } |
… | |
… | |
547 | CBOR cbor; |
814 | CBOR cbor; |
548 | U32 depth; // recursion depth |
815 | U32 depth; // recursion depth |
549 | U32 maxdepth; // recursion depth limit |
816 | U32 maxdepth; // recursion depth limit |
550 | AV *shareable; |
817 | AV *shareable; |
551 | AV *stringref; |
818 | AV *stringref; |
|
|
819 | SV *decode_tagged; |
|
|
820 | SV *err_sv; // optional sv for error, needs to be freed |
552 | } dec_t; |
821 | } dec_t; |
553 | |
822 | |
554 | #define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE |
823 | // set dec->err to ERRSV |
|
|
824 | ecb_cold static void |
|
|
825 | err_errsv (dec_t *dec) |
|
|
826 | { |
|
|
827 | if (!dec->err) |
|
|
828 | { |
|
|
829 | dec->err_sv = newSVsv (ERRSV); |
555 | |
830 | |
556 | #define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") |
831 | // chop off the trailing \n |
|
|
832 | SvCUR_set (dec->err_sv, SvCUR (dec->err_sv) - 1); |
|
|
833 | *SvEND (dec->err_sv) = 0; |
557 | |
834 | |
|
|
835 | dec->err = SvPVutf8_nolen (dec->err_sv); |
|
|
836 | } |
|
|
837 | } |
|
|
838 | |
|
|
839 | // the following functions are used to reduce code size and help the compiler to optimise |
|
|
840 | ecb_cold static void |
|
|
841 | err_set (dec_t *dec, const char *reason) |
|
|
842 | { |
|
|
843 | if (!dec->err) |
|
|
844 | dec->err = reason; |
|
|
845 | } |
|
|
846 | |
|
|
847 | ecb_cold static void |
|
|
848 | err_unexpected_end (dec_t *dec) |
|
|
849 | { |
|
|
850 | err_set (dec, "unexpected end of CBOR data"); |
|
|
851 | } |
|
|
852 | |
|
|
853 | #define ERR_DO(do) SB do; goto fail; SE |
|
|
854 | #define ERR(reason) ERR_DO (err_set (dec, reason)) |
|
|
855 | #define ERR_ERRSV ERR_DO (err_errsv (dec)) |
|
|
856 | |
|
|
857 | #define WANT(len) if (ecb_expect_false ((uintptr_t)(dec->end - dec->cur) < (STRLEN)len)) ERR_DO (err_unexpected_end (dec)) |
|
|
858 | |
558 | #define DEC_INC_DEPTH if (++dec->depth > dec->cbor.max_depth) ERR (ERR_NESTING_EXCEEDED) |
859 | #define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED) |
559 | #define DEC_DEC_DEPTH --dec->depth |
860 | #define DEC_DEC_DEPTH --dec->depth |
560 | |
861 | |
561 | static UV |
862 | static UV |
562 | decode_uint (dec_t *dec) |
863 | decode_uint (dec_t *dec) |
563 | { |
864 | { |
564 | switch (*dec->cur & 31) |
865 | U8 m = *dec->cur & MINOR_MASK; |
565 | { |
866 | ++dec->cur; |
566 | case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: |
|
|
567 | case 8: case 9: case 10: case 11: case 12: case 13: case 14: case 15: |
|
|
568 | case 16: case 17: case 18: case 19: case 20: case 21: case 22: case 23: |
|
|
569 | return *dec->cur++ & 31; |
|
|
570 | |
867 | |
571 | case 24: |
868 | if (ecb_expect_true (m < LENGTH_EXT1)) |
|
|
869 | return m; |
|
|
870 | else if (ecb_expect_true (m == LENGTH_EXT1)) |
|
|
871 | { |
572 | WANT (2); |
872 | WANT (1); |
573 | dec->cur += 2; |
873 | dec->cur += 1; |
574 | return dec->cur[-1]; |
874 | return dec->cur[-1]; |
575 | |
875 | } |
576 | case 25: |
876 | else if (ecb_expect_true (m == LENGTH_EXT2)) |
|
|
877 | { |
577 | WANT (3); |
878 | WANT (2); |
578 | dec->cur += 3; |
879 | dec->cur += 2; |
579 | return (((UV)dec->cur[-2]) << 8) |
880 | return (((UV)dec->cur[-2]) << 8) |
580 | | ((UV)dec->cur[-1]); |
881 | | ((UV)dec->cur[-1]); |
581 | |
882 | } |
582 | case 26: |
883 | else if (ecb_expect_true (m == LENGTH_EXT4)) |
|
|
884 | { |
583 | WANT (5); |
885 | WANT (4); |
584 | dec->cur += 5; |
886 | dec->cur += 4; |
585 | return (((UV)dec->cur[-4]) << 24) |
887 | return (((UV)dec->cur[-4]) << 24) |
586 | | (((UV)dec->cur[-3]) << 16) |
888 | | (((UV)dec->cur[-3]) << 16) |
587 | | (((UV)dec->cur[-2]) << 8) |
889 | | (((UV)dec->cur[-2]) << 8) |
588 | | ((UV)dec->cur[-1]); |
890 | | ((UV)dec->cur[-1]); |
589 | |
891 | } |
590 | case 27: |
892 | else if (ecb_expect_true (m == LENGTH_EXT8)) |
|
|
893 | { |
591 | WANT (9); |
894 | WANT (8); |
592 | dec->cur += 9; |
895 | dec->cur += 8; |
|
|
896 | |
|
|
897 | return |
|
|
898 | #if UVSIZE < 8 |
|
|
899 | 0 |
|
|
900 | #else |
593 | return (((UV)dec->cur[-8]) << 56) |
901 | (((UV)dec->cur[-8]) << 56) |
594 | | (((UV)dec->cur[-7]) << 48) |
902 | | (((UV)dec->cur[-7]) << 48) |
595 | | (((UV)dec->cur[-6]) << 40) |
903 | | (((UV)dec->cur[-6]) << 40) |
596 | | (((UV)dec->cur[-5]) << 32) |
904 | | (((UV)dec->cur[-5]) << 32) |
|
|
905 | #endif |
597 | | (((UV)dec->cur[-4]) << 24) |
906 | | (((UV)dec->cur[-4]) << 24) |
598 | | (((UV)dec->cur[-3]) << 16) |
907 | | (((UV)dec->cur[-3]) << 16) |
599 | | (((UV)dec->cur[-2]) << 8) |
908 | | (((UV)dec->cur[-2]) << 8) |
600 | | ((UV)dec->cur[-1]); |
909 | | ((UV)dec->cur[-1]); |
601 | |
910 | } |
602 | default: |
911 | else |
603 | ERR ("corrupted CBOR data (unsupported integer minor encoding)"); |
912 | ERR ("corrupted CBOR data (unsupported integer minor encoding)"); |
604 | } |
|
|
605 | |
913 | |
606 | fail: |
914 | fail: |
607 | return 0; |
915 | return 0; |
608 | } |
916 | } |
609 | |
917 | |
… | |
… | |
614 | { |
922 | { |
615 | AV *av = newAV (); |
923 | AV *av = newAV (); |
616 | |
924 | |
617 | DEC_INC_DEPTH; |
925 | DEC_INC_DEPTH; |
618 | |
926 | |
619 | if ((*dec->cur & 31) == 31) |
927 | if (*dec->cur == (MAJOR_ARRAY | MINOR_INDEF)) |
620 | { |
928 | { |
621 | ++dec->cur; |
929 | ++dec->cur; |
622 | |
930 | |
623 | for (;;) |
931 | for (;;) |
624 | { |
932 | { |
625 | WANT (1); |
933 | WANT (1); |
626 | |
934 | |
627 | if (*dec->cur == (0xe0 | 31)) |
935 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
628 | { |
936 | { |
629 | ++dec->cur; |
937 | ++dec->cur; |
630 | break; |
938 | break; |
631 | } |
939 | } |
632 | |
940 | |
633 | av_push (av, decode_sv (dec)); |
941 | av_push (av, decode_sv (dec)); |
634 | } |
942 | } |
635 | } |
943 | } |
636 | else |
944 | else |
637 | { |
945 | { |
638 | int i, len = decode_uint (dec); |
946 | UV i, len = decode_uint (dec); |
639 | |
947 | |
|
|
948 | WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays |
640 | av_fill (av, len - 1); |
949 | av_fill (av, len - 1); |
641 | |
950 | |
642 | for (i = 0; i < len; ++i) |
951 | for (i = 0; i < len; ++i) |
643 | AvARRAY (av)[i] = decode_sv (dec); |
952 | AvARRAY (av)[i] = decode_sv (dec); |
644 | } |
953 | } |
645 | |
954 | |
646 | DEC_DEC_DEPTH; |
955 | DEC_DEC_DEPTH; |
647 | return newRV_noinc ((SV *)av); |
956 | return newRV_noinc ((SV *)av); |
648 | |
957 | |
649 | fail: |
958 | fail: |
650 | SvREFCNT_dec (av); |
959 | SvREFCNT_dec_NN (av); |
651 | DEC_DEC_DEPTH; |
960 | DEC_DEC_DEPTH; |
652 | return &PL_sv_undef; |
961 | return &PL_sv_undef; |
653 | } |
962 | } |
654 | |
963 | |
655 | static void |
964 | static void |
… | |
… | |
657 | { |
966 | { |
658 | // for speed reasons, we specialcase single-string |
967 | // for speed reasons, we specialcase single-string |
659 | // byte or utf-8 strings as keys, but only when !stringref |
968 | // byte or utf-8 strings as keys, but only when !stringref |
660 | |
969 | |
661 | if (ecb_expect_true (!dec->stringref)) |
970 | if (ecb_expect_true (!dec->stringref)) |
662 | if (*dec->cur >= 0x40 && *dec->cur <= 0x40 + 27) |
971 | if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) |
663 | { |
972 | { |
664 | I32 len = decode_uint (dec); |
973 | STRLEN len = decode_uint (dec); |
665 | char *key = (char *)dec->cur; |
974 | char *key = (char *)dec->cur; |
666 | |
975 | |
|
|
976 | WANT (len); |
667 | dec->cur += len; |
977 | dec->cur += len; |
668 | |
978 | |
669 | if (ecb_expect_false (dec->stringref)) |
|
|
670 | av_push (dec->stringref, newSVpvn (key, len)); |
|
|
671 | |
|
|
672 | hv_store (hv, key, len, decode_sv (dec), 0); |
979 | hv_store (hv, key, len, decode_sv (dec), 0); |
673 | |
980 | |
674 | return; |
981 | return; |
675 | } |
982 | } |
676 | else if (*dec->cur >= 0x60 && *dec->cur <= 0x60 + 27) |
983 | else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) |
677 | { |
984 | { |
678 | I32 len = decode_uint (dec); |
985 | STRLEN len = decode_uint (dec); |
679 | char *key = (char *)dec->cur; |
986 | char *key = (char *)dec->cur; |
680 | |
987 | |
|
|
988 | WANT (len); |
681 | dec->cur += len; |
989 | dec->cur += len; |
682 | |
990 | |
683 | if (ecb_expect_false (dec->stringref)) |
991 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
684 | av_push (dec->stringref, newSVpvn_utf8 (key, len, 1)); |
992 | if (!is_utf8_string (key, len)) |
|
|
993 | ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); |
685 | |
994 | |
686 | hv_store (hv, key, -len, decode_sv (dec), 0); |
995 | hv_store (hv, key, -len, decode_sv (dec), 0); |
687 | |
996 | |
688 | return; |
997 | return; |
689 | } |
998 | } |
690 | |
999 | |
691 | SV *k = decode_sv (dec); |
1000 | SV *k = decode_sv (dec); |
692 | SV *v = decode_sv (dec); |
1001 | SV *v = decode_sv (dec); |
693 | |
1002 | |
|
|
1003 | // we leak memory if uncaught exceptions are thrown by random magical |
|
|
1004 | // methods, and this is hopefully the only place where it can happen, |
|
|
1005 | // so if there is a chance of an exception, take the very slow path. |
|
|
1006 | // since catching exceptions is "undocumented/internal/forbidden" by |
|
|
1007 | // the new p5p powers, we need to call out to a perl function :/ |
|
|
1008 | if (ecb_expect_false (SvAMAGIC (k))) |
|
|
1009 | { |
|
|
1010 | dSP; |
|
|
1011 | |
|
|
1012 | ENTER; SAVETMPS; |
|
|
1013 | PUSHMARK (SP); |
|
|
1014 | EXTEND (SP, 3); |
|
|
1015 | PUSHs (sv_2mortal (newRV_inc ((SV *)hv))); |
|
|
1016 | PUSHs (sv_2mortal (k)); |
|
|
1017 | PUSHs (sv_2mortal (v)); |
|
|
1018 | |
|
|
1019 | PUTBACK; |
|
|
1020 | call_pv ("CBOR::XS::_hv_store", G_VOID | G_DISCARD | G_EVAL); |
|
|
1021 | SPAGAIN; |
|
|
1022 | |
|
|
1023 | FREETMPS; LEAVE; |
|
|
1024 | |
|
|
1025 | if (SvTRUE (ERRSV)) |
|
|
1026 | ERR_ERRSV; |
|
|
1027 | |
|
|
1028 | return; |
|
|
1029 | } |
|
|
1030 | |
694 | hv_store_ent (hv, k, v, 0); |
1031 | hv_store_ent (hv, k, v, 0); |
695 | SvREFCNT_dec (k); |
1032 | SvREFCNT_dec_NN (k); |
|
|
1033 | |
|
|
1034 | fail: |
|
|
1035 | ; |
696 | } |
1036 | } |
697 | |
1037 | |
698 | static SV * |
1038 | static SV * |
699 | decode_hv (dec_t *dec) |
1039 | decode_hv (dec_t *dec) |
700 | { |
1040 | { |
701 | HV *hv = newHV (); |
1041 | HV *hv = newHV (); |
702 | |
1042 | |
703 | DEC_INC_DEPTH; |
1043 | DEC_INC_DEPTH; |
704 | |
1044 | |
705 | if ((*dec->cur & 31) == 31) |
1045 | if (*dec->cur == (MAJOR_MAP | MINOR_INDEF)) |
706 | { |
1046 | { |
707 | ++dec->cur; |
1047 | ++dec->cur; |
708 | |
1048 | |
709 | for (;;) |
1049 | for (;;) |
710 | { |
1050 | { |
711 | WANT (1); |
1051 | WANT (1); |
712 | |
1052 | |
713 | if (*dec->cur == (0xe0 | 31)) |
1053 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err) |
714 | { |
1054 | { |
715 | ++dec->cur; |
1055 | ++dec->cur; |
716 | break; |
1056 | break; |
717 | } |
1057 | } |
718 | |
1058 | |
719 | decode_he (dec, hv); |
1059 | decode_he (dec, hv); |
720 | } |
1060 | } |
721 | } |
1061 | } |
722 | else |
1062 | else |
723 | { |
1063 | { |
724 | int pairs = decode_uint (dec); |
1064 | UV pairs = decode_uint (dec); |
|
|
1065 | |
|
|
1066 | WANT (pairs); // complexity check - need at least one byte per value, do not allow supersize hashes |
725 | |
1067 | |
726 | while (pairs--) |
1068 | while (pairs--) |
727 | decode_he (dec, hv); |
1069 | decode_he (dec, hv); |
728 | } |
1070 | } |
729 | |
1071 | |
730 | DEC_DEC_DEPTH; |
1072 | DEC_DEC_DEPTH; |
731 | return newRV_noinc ((SV *)hv); |
1073 | return newRV_noinc ((SV *)hv); |
732 | |
1074 | |
733 | fail: |
1075 | fail: |
734 | SvREFCNT_dec (hv); |
1076 | SvREFCNT_dec_NN (hv); |
735 | DEC_DEC_DEPTH; |
1077 | DEC_DEC_DEPTH; |
736 | return &PL_sv_undef; |
1078 | return &PL_sv_undef; |
737 | } |
1079 | } |
738 | |
1080 | |
739 | static SV * |
1081 | static SV * |
740 | decode_str (dec_t *dec, int utf8) |
1082 | decode_str (dec_t *dec, int utf8) |
741 | { |
1083 | { |
742 | SV *sv = 0; |
1084 | SV *sv = 0; |
743 | |
1085 | |
744 | if ((*dec->cur & 31) == 31) |
1086 | if (ecb_expect_false ((*dec->cur & MINOR_MASK) == MINOR_INDEF)) |
745 | { |
1087 | { |
|
|
1088 | // indefinite length strings |
746 | ++dec->cur; |
1089 | ++dec->cur; |
747 | |
1090 | |
|
|
1091 | U8 major = *dec->cur & MAJOR_MISC; |
|
|
1092 | |
748 | sv = newSVpvn ("", 0); |
1093 | sv = newSVpvn ("", 0); |
749 | |
1094 | |
750 | // not very fast, and certainly not robust against illegal input |
|
|
751 | for (;;) |
1095 | for (;;) |
752 | { |
1096 | { |
753 | WANT (1); |
1097 | WANT (1); |
754 | |
1098 | |
755 | if (*dec->cur == (0xe0 | 31)) |
1099 | if ((*dec->cur - major) > LENGTH_EXT8) |
|
|
1100 | if (*dec->cur == (MAJOR_MISC | MINOR_INDEF)) |
756 | { |
1101 | { |
757 | ++dec->cur; |
1102 | ++dec->cur; |
758 | break; |
1103 | break; |
759 | } |
1104 | } |
|
|
1105 | else |
|
|
1106 | ERR ("corrupted CBOR data (invalid chunks in indefinite length string)"); |
760 | |
1107 | |
761 | sv_catsv (sv, decode_sv (dec)); |
1108 | STRLEN len = decode_uint (dec); |
|
|
1109 | |
|
|
1110 | WANT (len); |
|
|
1111 | sv_catpvn (sv, dec->cur, len); |
|
|
1112 | dec->cur += len; |
762 | } |
1113 | } |
763 | } |
1114 | } |
764 | else |
1115 | else |
765 | { |
1116 | { |
766 | STRLEN len = decode_uint (dec); |
1117 | STRLEN len = decode_uint (dec); |
… | |
… | |
773 | && SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1)) |
1124 | && SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1)) |
774 | av_push (dec->stringref, SvREFCNT_inc_NN (sv)); |
1125 | av_push (dec->stringref, SvREFCNT_inc_NN (sv)); |
775 | } |
1126 | } |
776 | |
1127 | |
777 | if (utf8) |
1128 | if (utf8) |
|
|
1129 | { |
|
|
1130 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
|
|
1131 | if (!is_utf8_string (SvPVX (sv), SvCUR (sv))) |
|
|
1132 | ERR ("corrupted CBOR data (invalid UTF-8 in text string)"); |
|
|
1133 | |
778 | SvUTF8_on (sv); |
1134 | SvUTF8_on (sv); |
|
|
1135 | } |
779 | |
1136 | |
780 | return sv; |
1137 | return sv; |
781 | |
1138 | |
782 | fail: |
1139 | fail: |
783 | SvREFCNT_dec (sv); |
1140 | SvREFCNT_dec (sv); |
… | |
… | |
802 | sv = newRV_noinc (decode_sv (dec)); |
1159 | sv = newRV_noinc (decode_sv (dec)); |
803 | break; |
1160 | break; |
804 | |
1161 | |
805 | case CBOR_TAG_STRINGREF_NAMESPACE: |
1162 | case CBOR_TAG_STRINGREF_NAMESPACE: |
806 | { |
1163 | { |
|
|
1164 | // do not use SAVETMPS/FREETMPS, as these will |
|
|
1165 | // erase mortalised caches, e.g. "shareable" |
807 | ENTER; SAVETMPS; |
1166 | ENTER; |
808 | |
1167 | |
809 | SAVESPTR (dec->stringref); |
1168 | SAVESPTR (dec->stringref); |
810 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
1169 | dec->stringref = (AV *)sv_2mortal ((SV *)newAV ()); |
811 | |
1170 | |
812 | sv = decode_sv (dec); |
1171 | sv = decode_sv (dec); |
813 | |
1172 | |
814 | FREETMPS; LEAVE; |
1173 | LEAVE; |
815 | } |
1174 | } |
816 | break; |
1175 | break; |
817 | |
1176 | |
818 | case CBOR_TAG_STRINGREF: |
1177 | case CBOR_TAG_STRINGREF: |
819 | { |
1178 | { |
820 | if ((*dec->cur >> 5) != 0) |
1179 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
821 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
1180 | ERR ("corrupted CBOR data (stringref index not an unsigned integer)"); |
822 | |
1181 | |
823 | UV idx = decode_uint (dec); |
1182 | UV idx = decode_uint (dec); |
824 | |
1183 | |
825 | if (!dec->stringref || (int)idx > AvFILLp (dec->stringref)) |
1184 | if (!dec->stringref || idx >= (UV)(1 + AvFILLp (dec->stringref))) |
826 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
1185 | ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)"); |
827 | |
1186 | |
828 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
1187 | sv = newSVsv (AvARRAY (dec->stringref)[idx]); |
829 | } |
1188 | } |
830 | break; |
1189 | break; |
… | |
… | |
832 | case CBOR_TAG_VALUE_SHAREABLE: |
1191 | case CBOR_TAG_VALUE_SHAREABLE: |
833 | { |
1192 | { |
834 | if (ecb_expect_false (!dec->shareable)) |
1193 | if (ecb_expect_false (!dec->shareable)) |
835 | dec->shareable = (AV *)sv_2mortal ((SV *)newAV ()); |
1194 | dec->shareable = (AV *)sv_2mortal ((SV *)newAV ()); |
836 | |
1195 | |
|
|
1196 | if (dec->cbor.flags & F_ALLOW_CYCLES) |
|
|
1197 | { |
837 | sv = newSV (0); |
1198 | sv = newSV (0); |
838 | av_push (dec->shareable, SvREFCNT_inc_NN (sv)); |
1199 | av_push (dec->shareable, SvREFCNT_inc_NN (sv)); |
839 | |
1200 | |
840 | SV *osv = decode_sv (dec); |
1201 | SV *osv = decode_sv (dec); |
841 | sv_setsv (sv, osv); |
1202 | sv_setsv (sv, osv); |
842 | SvREFCNT_dec_NN (osv); |
1203 | SvREFCNT_dec_NN (osv); |
|
|
1204 | } |
|
|
1205 | else |
|
|
1206 | { |
|
|
1207 | av_push (dec->shareable, &PL_sv_undef); |
|
|
1208 | int idx = AvFILLp (dec->shareable); |
|
|
1209 | sv = decode_sv (dec); |
|
|
1210 | av_store (dec->shareable, idx, SvREFCNT_inc_NN (sv)); |
|
|
1211 | } |
843 | } |
1212 | } |
844 | break; |
1213 | break; |
845 | |
1214 | |
846 | case CBOR_TAG_VALUE_SHAREDREF: |
1215 | case CBOR_TAG_VALUE_SHAREDREF: |
847 | { |
1216 | { |
848 | if ((*dec->cur >> 5) != 0) |
1217 | if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT)) |
849 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
1218 | ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); |
850 | |
1219 | |
851 | UV idx = decode_uint (dec); |
1220 | UV idx = decode_uint (dec); |
852 | |
1221 | |
853 | if (!dec->shareable || (int)idx > AvFILLp (dec->shareable)) |
1222 | if (!dec->shareable || idx >= (UV)(1 + AvFILLp (dec->shareable))) |
854 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
1223 | ERR ("corrupted CBOR data (sharedref index out of bounds)"); |
855 | |
1224 | |
856 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
1225 | sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); |
|
|
1226 | |
|
|
1227 | if (sv == &PL_sv_undef) |
|
|
1228 | ERR ("cyclic CBOR data structure found, but allow_cycles is not enabled"); |
857 | } |
1229 | } |
858 | break; |
1230 | break; |
859 | |
1231 | |
860 | case CBOR_TAG_PERL_OBJECT: |
1232 | case CBOR_TAG_PERL_OBJECT: |
861 | { |
1233 | { |
|
|
1234 | if (dec->cbor.flags & F_FORBID_OBJECTS) |
|
|
1235 | goto filter; |
|
|
1236 | |
862 | sv = decode_sv (dec); |
1237 | sv = decode_sv (dec); |
863 | |
1238 | |
864 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
1239 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
865 | ERR ("corrupted CBOR data (non-array perl object)"); |
1240 | ERR ("corrupted CBOR data (non-array perl object)"); |
866 | |
1241 | |
… | |
… | |
876 | if (!method) |
1251 | if (!method) |
877 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
1252 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
878 | |
1253 | |
879 | dSP; |
1254 | dSP; |
880 | |
1255 | |
881 | ENTER; SAVETMPS; PUSHMARK (SP); |
1256 | ENTER; SAVETMPS; |
|
|
1257 | PUSHMARK (SP); |
882 | EXTEND (SP, len + 1); |
1258 | EXTEND (SP, len + 1); |
883 | // we re-bless the reference to get overload and other niceties right |
1259 | // we re-bless the reference to get overload and other niceties right |
884 | PUSHs (*av_fetch (av, 0, 1)); |
1260 | PUSHs (*av_fetch (av, 0, 1)); |
885 | PUSHs (sv_cbor); |
1261 | PUSHs (sv_cbor); |
886 | |
1262 | |
… | |
… | |
894 | SPAGAIN; |
1270 | SPAGAIN; |
895 | |
1271 | |
896 | if (SvTRUE (ERRSV)) |
1272 | if (SvTRUE (ERRSV)) |
897 | { |
1273 | { |
898 | FREETMPS; LEAVE; |
1274 | FREETMPS; LEAVE; |
899 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
1275 | ERR_ERRSV; |
900 | } |
1276 | } |
901 | |
1277 | |
902 | SvREFCNT_dec (sv); |
1278 | SvREFCNT_dec_NN (sv); |
903 | sv = SvREFCNT_inc (POPs); |
1279 | sv = SvREFCNT_inc (POPs); |
904 | |
1280 | |
905 | PUTBACK; |
1281 | PUTBACK; |
906 | |
1282 | |
907 | FREETMPS; LEAVE; |
1283 | FREETMPS; LEAVE; |
908 | } |
1284 | } |
909 | break; |
1285 | break; |
910 | |
1286 | |
911 | default: |
1287 | default: |
|
|
1288 | filter: |
912 | { |
1289 | { |
|
|
1290 | SV *tag_sv = newSVuv (tag); |
|
|
1291 | |
913 | sv = decode_sv (dec); |
1292 | sv = decode_sv (dec); |
914 | |
1293 | |
|
|
1294 | dSP; |
|
|
1295 | ENTER; SAVETMPS; |
|
|
1296 | PUSHMARK (SP); |
|
|
1297 | EXTEND (SP, 2); |
|
|
1298 | PUSHs (tag_sv); |
|
|
1299 | PUSHs (sv); |
|
|
1300 | |
|
|
1301 | PUTBACK; |
|
|
1302 | int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL); |
|
|
1303 | SPAGAIN; |
|
|
1304 | |
|
|
1305 | if (SvTRUE (ERRSV)) |
|
|
1306 | { |
|
|
1307 | SvREFCNT_dec_NN (tag_sv); |
|
|
1308 | FREETMPS; LEAVE; |
|
|
1309 | ERR_ERRSV; |
|
|
1310 | } |
|
|
1311 | |
|
|
1312 | if (count) |
|
|
1313 | { |
|
|
1314 | SvREFCNT_dec_NN (tag_sv); |
|
|
1315 | SvREFCNT_dec_NN (sv); |
|
|
1316 | sv = SvREFCNT_inc_NN (TOPs); |
|
|
1317 | SP -= count; |
|
|
1318 | } |
|
|
1319 | else |
|
|
1320 | { |
915 | AV *av = newAV (); |
1321 | AV *av = newAV (); |
916 | av_push (av, newSVuv (tag)); |
1322 | av_push (av, tag_sv); |
917 | av_push (av, sv); |
1323 | av_push (av, sv); |
918 | |
1324 | |
919 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
1325 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
920 | ? cbor_tagged_stash |
1326 | ? cbor_tagged_stash |
921 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
1327 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
922 | |
|
|
923 | sv = sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
1328 | sv = sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
|
|
1329 | } |
|
|
1330 | |
|
|
1331 | PUTBACK; |
|
|
1332 | |
|
|
1333 | FREETMPS; LEAVE; |
924 | } |
1334 | } |
925 | break; |
1335 | break; |
926 | } |
1336 | } |
927 | |
1337 | |
928 | return sv; |
1338 | return sv; |
… | |
… | |
935 | static SV * |
1345 | static SV * |
936 | decode_sv (dec_t *dec) |
1346 | decode_sv (dec_t *dec) |
937 | { |
1347 | { |
938 | WANT (1); |
1348 | WANT (1); |
939 | |
1349 | |
940 | switch (*dec->cur >> 5) |
1350 | switch (*dec->cur >> MAJOR_SHIFT) |
941 | { |
1351 | { |
942 | case 0: // unsigned int |
1352 | case MAJOR_POS_INT >> MAJOR_SHIFT: return newSVuv (decode_uint (dec)); |
943 | return newSVuv (decode_uint (dec)); |
1353 | case MAJOR_NEG_INT >> MAJOR_SHIFT: return newSViv (-1 - (IV)decode_uint (dec)); |
944 | case 1: // negative int |
1354 | case MAJOR_BYTES >> MAJOR_SHIFT: return decode_str (dec, 0); |
945 | return newSViv (-1 - (IV)decode_uint (dec)); |
1355 | case MAJOR_TEXT >> MAJOR_SHIFT: return decode_str (dec, 1); |
946 | case 2: // octet string |
1356 | case MAJOR_ARRAY >> MAJOR_SHIFT: return decode_av (dec); |
947 | return decode_str (dec, 0); |
1357 | case MAJOR_MAP >> MAJOR_SHIFT: return decode_hv (dec); |
948 | case 3: // utf-8 string |
1358 | case MAJOR_TAG >> MAJOR_SHIFT: return decode_tagged (dec); |
949 | return decode_str (dec, 1); |
1359 | |
950 | case 4: // array |
1360 | case MAJOR_MISC >> MAJOR_SHIFT: |
951 | return decode_av (dec); |
|
|
952 | case 5: // map |
|
|
953 | return decode_hv (dec); |
|
|
954 | case 6: // tag |
|
|
955 | return decode_tagged (dec); |
|
|
956 | case 7: // misc |
|
|
957 | switch (*dec->cur++ & 31) |
1361 | switch (*dec->cur++ & MINOR_MASK) |
958 | { |
1362 | { |
959 | case 20: |
1363 | case SIMPLE_FALSE: |
960 | #if CBOR_SLOW |
1364 | #if CBOR_SLOW |
961 | types_false = get_bool ("Types::Serialiser::false"); |
1365 | types_false = get_bool ("Types::Serialiser::false"); |
962 | #endif |
1366 | #endif |
963 | return newSVsv (types_false); |
1367 | return newSVsv (types_false); |
964 | case 21: |
1368 | case SIMPLE_TRUE: |
965 | #if CBOR_SLOW |
1369 | #if CBOR_SLOW |
966 | types_true = get_bool ("Types::Serialiser::true"); |
1370 | types_true = get_bool ("Types::Serialiser::true"); |
967 | #endif |
1371 | #endif |
968 | return newSVsv (types_true); |
1372 | return newSVsv (types_true); |
969 | case 22: |
1373 | case SIMPLE_NULL: |
970 | return newSVsv (&PL_sv_undef); |
1374 | return newSVsv (&PL_sv_undef); |
971 | case 23: |
1375 | case SIMPLE_UNDEF: |
972 | #if CBOR_SLOW |
1376 | #if CBOR_SLOW |
973 | types_error = get_bool ("Types::Serialiser::error"); |
1377 | types_error = get_bool ("Types::Serialiser::error"); |
974 | #endif |
1378 | #endif |
975 | return newSVsv (types_error); |
1379 | return newSVsv (types_error); |
976 | |
1380 | |
977 | case 25: |
1381 | case MISC_FLOAT16: |
978 | { |
1382 | { |
979 | WANT (2); |
1383 | WANT (2); |
980 | |
1384 | |
981 | uint16_t fp = (dec->cur[0] << 8) | dec->cur[1]; |
1385 | uint16_t fp = (dec->cur[0] << 8) | dec->cur[1]; |
982 | dec->cur += 2; |
1386 | dec->cur += 2; |
983 | |
1387 | |
984 | return newSVnv (ecb_binary16_to_float (fp)); |
1388 | return newSVnv (ecb_binary16_to_float (fp)); |
985 | } |
1389 | } |
986 | |
1390 | |
987 | case 26: |
1391 | case MISC_FLOAT32: |
988 | { |
1392 | { |
989 | uint32_t fp; |
1393 | uint32_t fp; |
990 | WANT (4); |
1394 | WANT (4); |
991 | memcpy (&fp, dec->cur, 4); |
1395 | memcpy (&fp, dec->cur, 4); |
992 | dec->cur += 4; |
1396 | dec->cur += 4; |
… | |
… | |
995 | fp = ecb_bswap32 (fp); |
1399 | fp = ecb_bswap32 (fp); |
996 | |
1400 | |
997 | return newSVnv (ecb_binary32_to_float (fp)); |
1401 | return newSVnv (ecb_binary32_to_float (fp)); |
998 | } |
1402 | } |
999 | |
1403 | |
1000 | case 27: |
1404 | case MISC_FLOAT64: |
1001 | { |
1405 | { |
1002 | uint64_t fp; |
1406 | uint64_t fp; |
1003 | WANT (8); |
1407 | WANT (8); |
1004 | memcpy (&fp, dec->cur, 8); |
1408 | memcpy (&fp, dec->cur, 8); |
1005 | dec->cur += 8; |
1409 | dec->cur += 8; |
… | |
… | |
1008 | fp = ecb_bswap64 (fp); |
1412 | fp = ecb_bswap64 (fp); |
1009 | |
1413 | |
1010 | return newSVnv (ecb_binary64_to_double (fp)); |
1414 | return newSVnv (ecb_binary64_to_double (fp)); |
1011 | } |
1415 | } |
1012 | |
1416 | |
1013 | // 0..19 unassigned |
1417 | // 0..19 unassigned simple |
1014 | // 24 reserved + unassigned (reserved values are not encodable) |
1418 | // 24 reserved + unassigned simple (reserved values are not encodable) |
|
|
1419 | // 28-30 unassigned misc |
|
|
1420 | // 31 break code |
1015 | default: |
1421 | default: |
1016 | ERR ("corrupted CBOR data (reserved/unassigned major 7 value)"); |
1422 | ERR ("corrupted CBOR data (reserved/unassigned/unexpected major 7 value)"); |
1017 | } |
1423 | } |
1018 | |
1424 | |
1019 | break; |
1425 | break; |
1020 | } |
1426 | } |
1021 | |
1427 | |
… | |
… | |
1024 | } |
1430 | } |
1025 | |
1431 | |
1026 | static SV * |
1432 | static SV * |
1027 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1433 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1028 | { |
1434 | { |
1029 | dec_t dec = { }; |
1435 | dec_t dec = { 0 }; |
1030 | SV *sv; |
1436 | SV *sv; |
1031 | STRLEN len; |
1437 | STRLEN len; |
1032 | char *data = SvPVbyte (string, len); |
1438 | char *data = SvPVbyte (string, len); |
1033 | |
1439 | |
1034 | if (len > cbor->max_size && cbor->max_size) |
1440 | if (len > cbor->max_size && cbor->max_size) |
… | |
… | |
1048 | if (dec.cur != dec.end && !dec.err) |
1454 | if (dec.cur != dec.end && !dec.err) |
1049 | dec.err = "garbage after CBOR object"; |
1455 | dec.err = "garbage after CBOR object"; |
1050 | |
1456 | |
1051 | if (dec.err) |
1457 | if (dec.err) |
1052 | { |
1458 | { |
|
|
1459 | if (dec.shareable) |
|
|
1460 | { |
|
|
1461 | // need to break cyclic links, which would all be in shareable |
|
|
1462 | int i; |
|
|
1463 | SV **svp; |
|
|
1464 | |
|
|
1465 | for (i = av_len (dec.shareable) + 1; i--; ) |
|
|
1466 | if ((svp = av_fetch (dec.shareable, i, 0))) |
|
|
1467 | sv_setsv (*svp, &PL_sv_undef); |
|
|
1468 | } |
|
|
1469 | |
1053 | SvREFCNT_dec (sv); |
1470 | SvREFCNT_dec_NN (sv); |
|
|
1471 | |
|
|
1472 | if (dec.err_sv) |
|
|
1473 | sv_2mortal (dec.err_sv); |
|
|
1474 | |
1054 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
1475 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
1055 | } |
1476 | } |
1056 | |
1477 | |
1057 | sv = sv_2mortal (sv); |
1478 | sv = sv_2mortal (sv); |
1058 | |
1479 | |
1059 | return sv; |
1480 | return sv; |
1060 | } |
1481 | } |
1061 | |
1482 | |
|
|
1483 | ///////////////////////////////////////////////////////////////////////////// |
|
|
1484 | // incremental parser |
|
|
1485 | |
|
|
1486 | #define INCR_DONE(cbor) (AvFILLp (cbor->incr_count) < 0) |
|
|
1487 | |
|
|
1488 | // returns 0 for notyet, 1 for success or error |
|
|
1489 | static int |
|
|
1490 | incr_parse (CBOR *self, SV *cborstr) |
|
|
1491 | { |
|
|
1492 | STRLEN cur; |
|
|
1493 | SvPV (cborstr, cur); |
|
|
1494 | |
|
|
1495 | while (ecb_expect_true (self->incr_need <= cur)) |
|
|
1496 | { |
|
|
1497 | // table of integer count bytes |
|
|
1498 | static I8 incr_len[MINOR_MASK + 1] = { |
|
|
1499 | 0, 0, 0, 0, 0, 0, 0, 0, |
|
|
1500 | 0, 0, 0, 0, 0, 0, 0, 0, |
|
|
1501 | 0, 0, 0, 0, 0, 0, 0, 0, |
|
|
1502 | 1, 2, 4, 8,-1,-1,-1,-2 |
|
|
1503 | }; |
|
|
1504 | |
|
|
1505 | const U8 *p = SvPVX (cborstr) + self->incr_pos; |
|
|
1506 | U8 m = *p & MINOR_MASK; |
|
|
1507 | IV count = SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]); |
|
|
1508 | I8 ilen = incr_len[m]; |
|
|
1509 | |
|
|
1510 | self->incr_need = self->incr_pos + 1; |
|
|
1511 | |
|
|
1512 | if (ecb_expect_false (ilen < 0)) |
|
|
1513 | { |
|
|
1514 | if (m != MINOR_INDEF) |
|
|
1515 | return 1; // error |
|
|
1516 | |
|
|
1517 | if (*p == (MAJOR_MISC | MINOR_INDEF)) |
|
|
1518 | { |
|
|
1519 | if (count >= 0) |
|
|
1520 | return 1; // error |
|
|
1521 | |
|
|
1522 | count = 1; |
|
|
1523 | } |
|
|
1524 | else |
|
|
1525 | { |
|
|
1526 | av_push (self->incr_count, newSViv (-1)); //TODO: nest |
|
|
1527 | count = -1; |
|
|
1528 | } |
|
|
1529 | } |
|
|
1530 | else |
|
|
1531 | { |
|
|
1532 | self->incr_need += ilen; |
|
|
1533 | if (ecb_expect_false (self->incr_need > cur)) |
|
|
1534 | return 0; |
|
|
1535 | |
|
|
1536 | int major = *p >> MAJOR_SHIFT; |
|
|
1537 | |
|
|
1538 | switch (major) |
|
|
1539 | { |
|
|
1540 | case MAJOR_TAG >> MAJOR_SHIFT: |
|
|
1541 | ++count; // tags merely prefix another value |
|
|
1542 | break; |
|
|
1543 | |
|
|
1544 | case MAJOR_BYTES >> MAJOR_SHIFT: |
|
|
1545 | case MAJOR_TEXT >> MAJOR_SHIFT: |
|
|
1546 | case MAJOR_ARRAY >> MAJOR_SHIFT: |
|
|
1547 | case MAJOR_MAP >> MAJOR_SHIFT: |
|
|
1548 | { |
|
|
1549 | UV len; |
|
|
1550 | |
|
|
1551 | if (ecb_expect_false (ilen)) |
|
|
1552 | { |
|
|
1553 | len = 0; |
|
|
1554 | |
|
|
1555 | do { |
|
|
1556 | len = (len << 8) | *++p; |
|
|
1557 | } while (--ilen); |
|
|
1558 | } |
|
|
1559 | else |
|
|
1560 | len = m; |
|
|
1561 | |
|
|
1562 | switch (major) |
|
|
1563 | { |
|
|
1564 | case MAJOR_BYTES >> MAJOR_SHIFT: |
|
|
1565 | case MAJOR_TEXT >> MAJOR_SHIFT: |
|
|
1566 | self->incr_need += len; |
|
|
1567 | if (ecb_expect_false (self->incr_need > cur)) |
|
|
1568 | return 0; |
|
|
1569 | |
|
|
1570 | break; |
|
|
1571 | |
|
|
1572 | case MAJOR_MAP >> MAJOR_SHIFT: |
|
|
1573 | len <<= 1; |
|
|
1574 | case MAJOR_ARRAY >> MAJOR_SHIFT: |
|
|
1575 | if (len) |
|
|
1576 | { |
|
|
1577 | av_push (self->incr_count, newSViv (len + 1)); //TODO: nest |
|
|
1578 | count = len + 1; |
|
|
1579 | } |
|
|
1580 | break; |
|
|
1581 | } |
|
|
1582 | } |
|
|
1583 | } |
|
|
1584 | } |
|
|
1585 | |
|
|
1586 | self->incr_pos = self->incr_need; |
|
|
1587 | |
|
|
1588 | if (count > 0) |
|
|
1589 | { |
|
|
1590 | while (!--count) |
|
|
1591 | { |
|
|
1592 | if (!AvFILLp (self->incr_count)) |
|
|
1593 | return 1; // done |
|
|
1594 | |
|
|
1595 | SvREFCNT_dec_NN (av_pop (self->incr_count)); |
|
|
1596 | count = SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]); |
|
|
1597 | } |
|
|
1598 | |
|
|
1599 | SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]) = count; |
|
|
1600 | } |
|
|
1601 | } |
|
|
1602 | |
|
|
1603 | return 0; |
|
|
1604 | } |
|
|
1605 | |
|
|
1606 | |
1062 | ///////////////////////////////////////////////////////////////////////////// |
1607 | ///////////////////////////////////////////////////////////////////////////// |
1063 | // XS interface functions |
1608 | // XS interface functions |
1064 | |
1609 | |
1065 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
1610 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
1066 | |
1611 | |
… | |
… | |
1074 | |
1619 | |
1075 | types_true = get_bool ("Types::Serialiser::true" ); |
1620 | types_true = get_bool ("Types::Serialiser::true" ); |
1076 | types_false = get_bool ("Types::Serialiser::false"); |
1621 | types_false = get_bool ("Types::Serialiser::false"); |
1077 | types_error = get_bool ("Types::Serialiser::error"); |
1622 | types_error = get_bool ("Types::Serialiser::error"); |
1078 | |
1623 | |
|
|
1624 | default_filter = newSVpv ("CBOR::XS::default_filter", 0); |
|
|
1625 | |
1079 | sv_cbor = newSVpv ("CBOR", 0); |
1626 | sv_cbor = newSVpv ("CBOR", 0); |
1080 | SvREADONLY_on (sv_cbor); |
1627 | SvREADONLY_on (sv_cbor); |
|
|
1628 | |
|
|
1629 | assert (("STRLEN must be an unsigned type", 0 <= (STRLEN)-1)); |
1081 | } |
1630 | } |
1082 | |
1631 | |
1083 | PROTOTYPES: DISABLE |
1632 | PROTOTYPES: DISABLE |
1084 | |
1633 | |
1085 | void CLONE (...) |
1634 | void CLONE (...) |
… | |
… | |
1104 | void shrink (CBOR *self, int enable = 1) |
1653 | void shrink (CBOR *self, int enable = 1) |
1105 | ALIAS: |
1654 | ALIAS: |
1106 | shrink = F_SHRINK |
1655 | shrink = F_SHRINK |
1107 | allow_unknown = F_ALLOW_UNKNOWN |
1656 | allow_unknown = F_ALLOW_UNKNOWN |
1108 | allow_sharing = F_ALLOW_SHARING |
1657 | allow_sharing = F_ALLOW_SHARING |
1109 | allow_stringref = F_ALLOW_STRINGREF |
1658 | allow_cycles = F_ALLOW_CYCLES |
|
|
1659 | forbid_objects = F_FORBID_OBJECTS |
|
|
1660 | pack_strings = F_PACK_STRINGS |
|
|
1661 | text_keys = F_TEXT_KEYS |
|
|
1662 | text_strings = F_TEXT_STRINGS |
|
|
1663 | validate_utf8 = F_VALIDATE_UTF8 |
1110 | PPCODE: |
1664 | PPCODE: |
1111 | { |
1665 | { |
1112 | if (enable) |
1666 | if (enable) |
1113 | self->flags |= ix; |
1667 | self->flags |= ix; |
1114 | else |
1668 | else |
… | |
… | |
1120 | void get_shrink (CBOR *self) |
1674 | void get_shrink (CBOR *self) |
1121 | ALIAS: |
1675 | ALIAS: |
1122 | get_shrink = F_SHRINK |
1676 | get_shrink = F_SHRINK |
1123 | get_allow_unknown = F_ALLOW_UNKNOWN |
1677 | get_allow_unknown = F_ALLOW_UNKNOWN |
1124 | get_allow_sharing = F_ALLOW_SHARING |
1678 | get_allow_sharing = F_ALLOW_SHARING |
1125 | get_allow_stringref = F_ALLOW_STRINGREF |
1679 | get_allow_cycles = F_ALLOW_CYCLES |
|
|
1680 | get_forbid_objects = F_FORBID_OBJECTS |
|
|
1681 | get_pack_strings = F_PACK_STRINGS |
|
|
1682 | get_text_keys = F_TEXT_KEYS |
|
|
1683 | get_text_strings = F_TEXT_STRINGS |
|
|
1684 | get_validate_utf8 = F_VALIDATE_UTF8 |
1126 | PPCODE: |
1685 | PPCODE: |
1127 | XPUSHs (boolSV (self->flags & ix)); |
1686 | XPUSHs (boolSV (self->flags & ix)); |
1128 | |
1687 | |
1129 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
1688 | void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) |
1130 | PPCODE: |
1689 | PPCODE: |
… | |
… | |
1143 | XPUSHs (ST (0)); |
1702 | XPUSHs (ST (0)); |
1144 | |
1703 | |
1145 | int get_max_size (CBOR *self) |
1704 | int get_max_size (CBOR *self) |
1146 | CODE: |
1705 | CODE: |
1147 | RETVAL = self->max_size; |
1706 | RETVAL = self->max_size; |
|
|
1707 | OUTPUT: |
|
|
1708 | RETVAL |
|
|
1709 | |
|
|
1710 | void filter (CBOR *self, SV *filter = 0) |
|
|
1711 | PPCODE: |
|
|
1712 | SvREFCNT_dec (self->filter); |
|
|
1713 | self->filter = filter ? newSVsv (filter) : filter; |
|
|
1714 | XPUSHs (ST (0)); |
|
|
1715 | |
|
|
1716 | SV *get_filter (CBOR *self) |
|
|
1717 | CODE: |
|
|
1718 | RETVAL = self->filter ? self->filter : NEWSV (0, 0); |
1148 | OUTPUT: |
1719 | OUTPUT: |
1149 | RETVAL |
1720 | RETVAL |
1150 | |
1721 | |
1151 | void encode (CBOR *self, SV *scalar) |
1722 | void encode (CBOR *self, SV *scalar) |
1152 | PPCODE: |
1723 | PPCODE: |
… | |
… | |
1167 | EXTEND (SP, 2); |
1738 | EXTEND (SP, 2); |
1168 | PUSHs (sv); |
1739 | PUSHs (sv); |
1169 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1740 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1170 | } |
1741 | } |
1171 | |
1742 | |
|
|
1743 | void incr_parse (CBOR *self, SV *cborstr) |
|
|
1744 | ALIAS: |
|
|
1745 | incr_parse_multiple = 1 |
|
|
1746 | PPCODE: |
|
|
1747 | { |
|
|
1748 | if (SvUTF8 (cborstr)) |
|
|
1749 | sv_utf8_downgrade (cborstr, 0); |
|
|
1750 | |
|
|
1751 | if (!self->incr_count) |
|
|
1752 | { |
|
|
1753 | self->incr_count = newAV (); |
|
|
1754 | self->incr_pos = 0; |
|
|
1755 | self->incr_need = 1; |
|
|
1756 | |
|
|
1757 | av_push (self->incr_count, newSViv (1)); |
|
|
1758 | } |
|
|
1759 | |
|
|
1760 | do |
|
|
1761 | { |
|
|
1762 | if (!incr_parse (self, cborstr)) |
|
|
1763 | { |
|
|
1764 | if (self->incr_need > self->max_size && self->max_size) |
|
|
1765 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
|
|
1766 | (unsigned long)self->incr_need, (unsigned long)self->max_size); |
|
|
1767 | |
|
|
1768 | break; |
|
|
1769 | } |
|
|
1770 | |
|
|
1771 | SV *sv; |
|
|
1772 | char *offset; |
|
|
1773 | |
|
|
1774 | PUTBACK; sv = decode_cbor (cborstr, self, &offset); SPAGAIN; |
|
|
1775 | XPUSHs (sv); |
|
|
1776 | |
|
|
1777 | sv_chop (cborstr, offset); |
|
|
1778 | |
|
|
1779 | av_clear (self->incr_count); |
|
|
1780 | av_push (self->incr_count, newSViv (1)); |
|
|
1781 | |
|
|
1782 | self->incr_pos = 0; |
|
|
1783 | self->incr_need = self->incr_pos + 1; |
|
|
1784 | } |
|
|
1785 | while (ix); |
|
|
1786 | } |
|
|
1787 | |
|
|
1788 | void incr_reset (CBOR *self) |
|
|
1789 | CODE: |
|
|
1790 | { |
|
|
1791 | SvREFCNT_dec (self->incr_count); |
|
|
1792 | self->incr_count = 0; |
|
|
1793 | } |
|
|
1794 | |
|
|
1795 | void DESTROY (CBOR *self) |
|
|
1796 | PPCODE: |
|
|
1797 | cbor_free (self); |
|
|
1798 | |
1172 | PROTOTYPES: ENABLE |
1799 | PROTOTYPES: ENABLE |
1173 | |
1800 | |
1174 | void encode_cbor (SV *scalar) |
1801 | void encode_cbor (SV *scalar) |
|
|
1802 | ALIAS: |
|
|
1803 | encode_cbor = 0 |
|
|
1804 | encode_cbor_sharing = F_ALLOW_SHARING |
1175 | PPCODE: |
1805 | PPCODE: |
1176 | { |
1806 | { |
1177 | CBOR cbor; |
1807 | CBOR cbor; |
1178 | cbor_init (&cbor); |
1808 | cbor_init (&cbor); |
|
|
1809 | cbor.flags |= ix; |
1179 | PUTBACK; scalar = encode_cbor (scalar, &cbor); SPAGAIN; |
1810 | PUTBACK; scalar = encode_cbor (scalar, &cbor); SPAGAIN; |
1180 | XPUSHs (scalar); |
1811 | XPUSHs (scalar); |
1181 | } |
1812 | } |
1182 | |
1813 | |
1183 | void decode_cbor (SV *cborstr) |
1814 | void decode_cbor (SV *cborstr) |
… | |
… | |
1187 | cbor_init (&cbor); |
1818 | cbor_init (&cbor); |
1188 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
1819 | PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN; |
1189 | XPUSHs (cborstr); |
1820 | XPUSHs (cborstr); |
1190 | } |
1821 | } |
1191 | |
1822 | |
|
|
1823 | #ifdef __AFL_COMPILER |
|
|
1824 | |
|
|
1825 | void |
|
|
1826 | afl_init () |
|
|
1827 | CODE: |
|
|
1828 | __AFL_INIT (); |
|
|
1829 | |
|
|
1830 | int |
|
|
1831 | afl_loop (unsigned int count = 10000) |
|
|
1832 | CODE: |
|
|
1833 | RETVAL = __AFL_LOOP (count); |
|
|
1834 | OUTPUT: |
|
|
1835 | RETVAL |
|
|
1836 | |
|
|
1837 | #endif |
|
|
1838 | |