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Comparing CBOR-XS/XS.xs (file contents):
Revision 1.19 by root, Wed Nov 20 02:03:09 2013 UTC vs.
Revision 1.35 by root, Sat Nov 30 17:19:34 2013 UTC

19# define HvNAMELEN(hv) HvNAMELEN_get (hv) 19# define HvNAMELEN(hv) HvNAMELEN_get (hv)
20#endif 20#endif
21#ifndef HvNAMEUTF8 21#ifndef HvNAMEUTF8
22# define HvNAMEUTF8(hv) 0 22# define HvNAMEUTF8(hv) 0
23#endif 23#endif
24#ifndef SvREFCNT_dec_NN
25# define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv)
26#endif
27
28// known major and minor types
29enum cbor_type
30{
31 MAJOR_SHIFT = 5,
32 MINOR_MASK = 0x1f,
33
34 MAJOR_POS_INT = 0 << MAJOR_SHIFT,
35 MAJOR_NEG_INT = 1 << MAJOR_SHIFT,
36 MAJOR_BYTES = 2 << MAJOR_SHIFT,
37 MAJOR_TEXT = 3 << MAJOR_SHIFT,
38 MAJOR_ARRAY = 4 << MAJOR_SHIFT,
39 MAJOR_MAP = 5 << MAJOR_SHIFT,
40 MAJOR_TAG = 6 << MAJOR_SHIFT,
41 MAJOR_MISC = 7 << MAJOR_SHIFT,
42
43 // INT/STRING/ARRAY/MAP subtypes
44 LENGTH_EXT1 = 24,
45 LENGTH_EXT2 = 25,
46 LENGTH_EXT4 = 26,
47 LENGTH_EXT8 = 27,
48
49 // SIMPLE types (effectively MISC subtypes)
50 SIMPLE_FALSE = 20,
51 SIMPLE_TRUE = 21,
52 SIMPLE_NULL = 22,
53 SIMPLE_UNDEF = 23,
54
55 // MISC subtype (unused)
56 MISC_EXT1 = 24,
57 MISC_FLOAT16 = 25,
58 MISC_FLOAT32 = 26,
59 MISC_FLOAT64 = 27,
60
61 // BYTES/TEXT/ARRAY/MAP
62 MINOR_INDEF = 31,
63};
24 64
25// known tags 65// known tags
26enum cbor_tag 66enum cbor_tag
27{ 67{
28 // inofficial extensions (pending iana registration) 68 // extensions
69 CBOR_TAG_STRINGREF = 25, // http://cbor.schmorp.de/stringref
29 CBOR_TAG_PERL_OBJECT = 24, // http://cbor.schmorp.de/perl-object 70 CBOR_TAG_PERL_OBJECT = 26, // http://cbor.schmorp.de/perl-object
30 CBOR_TAG_GENERIC_OBJECT = 25, // http://cbor.schmorp.de/generic-object 71 CBOR_TAG_GENERIC_OBJECT = 27, // http://cbor.schmorp.de/generic-object
31 CBOR_TAG_VALUE_SHAREABLE = 26, // http://cbor.schmorp.de/value-sharing 72 CBOR_TAG_VALUE_SHAREABLE = 28, // http://cbor.schmorp.de/value-sharing
32 CBOR_TAG_VALUE_SHAREDREF = 27, // http://cbor.schmorp.de/value-sharing 73 CBOR_TAG_VALUE_SHAREDREF = 29, // http://cbor.schmorp.de/value-sharing
33 CBOR_TAG_STRINGREF_NAMESPACE = 65537, // http://cbor.schmorp.de/stringref 74 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 75 CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection
36 76
37 // rfc7049 77 // rfc7049
38 CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 78 CBOR_TAG_DATETIME = 0, // rfc4287, utf-8
39 CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any 79 CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any
40 CBOR_TAG_POS_BIGNUM = 2, // byte string 80 CBOR_TAG_POS_BIGNUM = 2, // byte string
41 CBOR_TAG_NEG_BIGNUM = 3, // byte string 81 CBOR_TAG_NEG_BIGNUM = 3, // byte string
42 CBOR_TAG_DECIMAL = 4, // decimal fraction, array 82 CBOR_TAG_DECIMAL = 4, // decimal fraction, array
43 CBOR_TAG_BIGFLOAT = 5, // array 83 CBOR_TAG_BIGFLOAT = 5, // array
44 84
45 CBOR_TAG_CONV_B64U = 21, // base64url, any 85 CBOR_TAG_CONV_B64U = 21, // base64url, any
46 CBOR_TAG_CONV_B64 = 22, // base64, any 86 CBOR_TAG_CONV_B64 = 22, // base64, any
47 CBOR_TAG_CONV_HEX = 23, // base16, any 87 CBOR_TAG_CONV_HEX = 23, // base16, any
48 CBOR_TAG_CBOR = 24, // embedded cbor, byte string 88 CBOR_TAG_CBOR = 24, // embedded cbor, byte string
49 89
50 CBOR_TAG_URI = 32, // URI rfc3986, utf-8 90 CBOR_TAG_URI = 32, // URI rfc3986, utf-8
51 CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 91 CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8
52 CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 92 CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8
53 CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 93 CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8
54 CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 94 CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8
55 95
56 CBOR_TAG_MAGIC = 55799 // self-describe cbor 96 CBOR_TAG_MAGIC = 55799, // self-describe cbor
57}; 97};
58 98
59#define F_SHRINK 0x00000001UL 99#define F_SHRINK 0x00000001UL
60#define F_ALLOW_UNKNOWN 0x00000002UL 100#define F_ALLOW_UNKNOWN 0x00000002UL
61#define F_ALLOW_SHARING 0x00000004UL //TODO 101#define F_ALLOW_SHARING 0x00000004UL
62#define F_DEDUP_STRINGS 0x00000008UL //TODO 102#define F_PACK_STRINGS 0x00000008UL
63#define F_DEDUP_KEYS 0x00000010UL //TODO
64 103
65#define INIT_SIZE 32 // initial scalar size to be allocated 104#define INIT_SIZE 32 // initial scalar size to be allocated
66 105
67#define SB do { 106#define SB do {
68#define SE } while (0) 107#define SE } while (0)
80# define CBOR_SLOW 0 119# define CBOR_SLOW 0
81# define CBOR_STASH cbor_stash 120# define CBOR_STASH cbor_stash
82#endif 121#endif
83 122
84static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS:: 123static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS::
85static SV *types_true, *types_false, *types_error, *sv_cbor; 124static SV *types_true, *types_false, *types_error, *sv_cbor, *default_filter;
86 125
87typedef struct { 126typedef struct {
88 U32 flags; 127 U32 flags;
89 U32 max_depth; 128 U32 max_depth;
90 STRLEN max_size; 129 STRLEN max_size;
130 SV *filter;
91} CBOR; 131} CBOR;
92 132
93ecb_inline void 133ecb_inline void
94cbor_init (CBOR *cbor) 134cbor_init (CBOR *cbor)
95{ 135{
96 Zero (cbor, 1, CBOR); 136 Zero (cbor, 1, CBOR);
97 cbor->max_depth = 512; 137 cbor->max_depth = 512;
138}
139
140ecb_inline void
141cbor_free (CBOR *cbor)
142{
143 SvREFCNT_dec (cbor->filter);
98} 144}
99 145
100///////////////////////////////////////////////////////////////////////////// 146/////////////////////////////////////////////////////////////////////////////
101// utility functions 147// utility functions
102 148
124 SvPV_renew (sv, SvCUR (sv) + 1); 170 SvPV_renew (sv, SvCUR (sv) + 1);
125#endif 171#endif
126 } 172 }
127} 173}
128 174
175// minimum length of a string to be registered for stringref
176ecb_inline int
177minimum_string_length (UV idx)
178{
179 return idx > 23
180 ? idx > 0xffU
181 ? idx > 0xffffU
182 ? idx > 0xffffffffU
183 ? 11
184 : 7
185 : 5
186 : 4
187 : 3;
188}
189
129///////////////////////////////////////////////////////////////////////////// 190/////////////////////////////////////////////////////////////////////////////
130// encoder 191// encoder
131 192
132// structure used for encoding CBOR 193// structure used for encoding CBOR
133typedef struct 194typedef struct
135 char *cur; // SvPVX (sv) + current output position 196 char *cur; // SvPVX (sv) + current output position
136 char *end; // SvEND (sv) 197 char *end; // SvEND (sv)
137 SV *sv; // result scalar 198 SV *sv; // result scalar
138 CBOR cbor; 199 CBOR cbor;
139 U32 depth; // recursion level 200 U32 depth; // recursion level
140 HV *stringref; // string => index, or 0 201 HV *stringref[2]; // string => index, or 0 ([0] = bytes, [1] = utf-8)
202 UV stringref_idx;
141 HV *shareable; // ptr => index, or 0 203 HV *shareable; // ptr => index, or 0
142 UV shareable_idx; 204 UV shareable_idx;
143} enc_t; 205} enc_t;
144 206
145ecb_inline void 207ecb_inline void
164static void 226static void
165encode_uint (enc_t *enc, int major, UV len) 227encode_uint (enc_t *enc, int major, UV len)
166{ 228{
167 need (enc, 9); 229 need (enc, 9);
168 230
169 if (len < 24) 231 if (ecb_expect_true (len < LENGTH_EXT1))
170 *enc->cur++ = major | len; 232 *enc->cur++ = major | len;
171 else if (len <= 0xff) 233 else if (ecb_expect_true (len <= 0xff))
172 { 234 {
173 *enc->cur++ = major | 24; 235 *enc->cur++ = major | LENGTH_EXT1;
174 *enc->cur++ = len; 236 *enc->cur++ = len;
175 } 237 }
176 else if (len <= 0xffff) 238 else if (len <= 0xffff)
177 { 239 {
178 *enc->cur++ = major | 25; 240 *enc->cur++ = major | LENGTH_EXT2;
179 *enc->cur++ = len >> 8; 241 *enc->cur++ = len >> 8;
180 *enc->cur++ = len; 242 *enc->cur++ = len;
181 } 243 }
182 else if (len <= 0xffffffff) 244 else if (len <= 0xffffffff)
183 { 245 {
184 *enc->cur++ = major | 26; 246 *enc->cur++ = major | LENGTH_EXT4;
185 *enc->cur++ = len >> 24; 247 *enc->cur++ = len >> 24;
186 *enc->cur++ = len >> 16; 248 *enc->cur++ = len >> 16;
187 *enc->cur++ = len >> 8; 249 *enc->cur++ = len >> 8;
188 *enc->cur++ = len; 250 *enc->cur++ = len;
189 } 251 }
190 else 252 else
191 { 253 {
192 *enc->cur++ = major | 27; 254 *enc->cur++ = major | LENGTH_EXT8;
193 *enc->cur++ = len >> 56; 255 *enc->cur++ = len >> 56;
194 *enc->cur++ = len >> 48; 256 *enc->cur++ = len >> 48;
195 *enc->cur++ = len >> 40; 257 *enc->cur++ = len >> 40;
196 *enc->cur++ = len >> 32; 258 *enc->cur++ = len >> 32;
197 *enc->cur++ = len >> 24; 259 *enc->cur++ = len >> 24;
199 *enc->cur++ = len >> 8; 261 *enc->cur++ = len >> 8;
200 *enc->cur++ = len; 262 *enc->cur++ = len;
201 } 263 }
202} 264}
203 265
204static void 266ecb_inline void
267encode_tag (enc_t *enc, UV tag)
268{
269 encode_uint (enc, MAJOR_TAG, tag);
270}
271
272ecb_inline void
205encode_str (enc_t *enc, int utf8, char *str, STRLEN len) 273encode_str (enc_t *enc, int utf8, char *str, STRLEN len)
206{ 274{
207 encode_uint (enc, utf8 ? 0x60 : 0x40, len); 275 encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len);
208 need (enc, len); 276 need (enc, len);
209 memcpy (enc->cur, str, len); 277 memcpy (enc->cur, str, len);
210 enc->cur += len; 278 enc->cur += len;
211} 279}
212 280
213ecb_inline void 281static void
214encode_tag (enc_t *enc, UV tag) 282encode_strref (enc_t *enc, int utf8, char *str, STRLEN len)
215{ 283{
216 encode_uint (enc, 0xc0, tag); 284 if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS))
285 {
286 SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1);
287
288 if (SvOK (*svp))
289 {
290 // already registered, use stringref
291 encode_tag (enc, CBOR_TAG_STRINGREF);
292 encode_uint (enc, MAJOR_POS_INT, SvUV (*svp));
293 return;
294 }
295 else if (len >= minimum_string_length (enc->stringref_idx))
296 {
297 // register only
298 sv_setuv (*svp, enc->stringref_idx);
299 ++enc->stringref_idx;
300 }
301 }
302
303 encode_str (enc, utf8, str, len);
217} 304}
218 305
219static void encode_sv (enc_t *enc, SV *sv); 306static void encode_sv (enc_t *enc, SV *sv);
220 307
221static void 308static void
226 if (enc->depth >= enc->cbor.max_depth) 313 if (enc->depth >= enc->cbor.max_depth)
227 croak (ERR_NESTING_EXCEEDED); 314 croak (ERR_NESTING_EXCEEDED);
228 315
229 ++enc->depth; 316 ++enc->depth;
230 317
231 encode_uint (enc, 0x80, len + 1); 318 encode_uint (enc, MAJOR_ARRAY, len + 1);
232 319
233 for (i = 0; i <= len; ++i) 320 for (i = 0; i <= len; ++i)
234 { 321 {
235 SV **svp = av_fetch (av, i, 0); 322 SV **svp = av_fetch (av, i, 0);
236 encode_sv (enc, svp ? *svp : &PL_sv_undef); 323 encode_sv (enc, svp ? *svp : &PL_sv_undef);
251 338
252 int pairs = hv_iterinit (hv); 339 int pairs = hv_iterinit (hv);
253 int mg = SvMAGICAL (hv); 340 int mg = SvMAGICAL (hv);
254 341
255 if (mg) 342 if (mg)
256 encode_ch (enc, 0xa0 | 31); 343 encode_ch (enc, MAJOR_MAP | MINOR_INDEF);
257 else 344 else
258 encode_uint (enc, 0xa0, pairs); 345 encode_uint (enc, MAJOR_MAP, pairs);
259 346
260 while ((he = hv_iternext (hv))) 347 while ((he = hv_iternext (hv)))
261 { 348 {
262 if (HeKLEN (he) == HEf_SVKEY) 349 if (HeKLEN (he) == HEf_SVKEY)
263 encode_sv (enc, HeSVKEY (he)); 350 encode_sv (enc, HeSVKEY (he));
264 else 351 else
265 encode_str (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); 352 encode_strref (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he));
266 353
267 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); 354 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he));
268 } 355 }
269 356
270 if (mg) 357 if (mg)
271 encode_ch (enc, 0xe0 | 31); 358 encode_ch (enc, MAJOR_MISC | MINOR_INDEF);
272 359
273 --enc->depth; 360 --enc->depth;
274} 361}
275 362
276// encode objects, arrays and special \0=false and \1=true values. 363// encode objects, arrays and special \0=false and \1=true values.
277static void 364static void
278encode_rv (enc_t *enc, SV *sv) 365encode_rv (enc_t *enc, SV *sv)
279{ 366{
280 SvGETMAGIC (sv); 367 SvGETMAGIC (sv);
281
282 if (ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)
283 && ecb_expect_false (SvREFCNT (sv) > 1))
284 {
285 if (!enc->shareable)
286 enc->shareable = (HV *)sv_2mortal ((SV *)newHV ());
287
288 SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1);
289
290 if (SvOK (*svp))
291 {
292 encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF);
293 encode_uint (enc, 0x00, SvUV (*svp));
294 return;
295 }
296 else
297 {
298 sv_setuv (*svp, enc->shareable_idx);
299 ++enc->shareable_idx;
300 encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE);
301 }
302 }
303 368
304 svtype svt = SvTYPE (sv); 369 svtype svt = SvTYPE (sv);
305 370
306 if (ecb_expect_false (SvOBJECT (sv))) 371 if (ecb_expect_false (SvOBJECT (sv)))
307 { 372 {
314 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash 379 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash
315 ? cbor_tagged_stash 380 ? cbor_tagged_stash
316 : gv_stashpv ("CBOR::XS::Tagged" , 1); 381 : gv_stashpv ("CBOR::XS::Tagged" , 1);
317 382
318 HV *stash = SvSTASH (sv); 383 HV *stash = SvSTASH (sv);
319 GV *method;
320 384
321 if (stash == boolean_stash) 385 if (stash == boolean_stash)
322 encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); 386 {
387 encode_ch (enc, SvIV (sv) ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE);
388 return;
389 }
323 else if (stash == error_stash) 390 else if (stash == error_stash)
324 encode_ch (enc, 0xe0 | 23); 391 {
392 encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF);
393 return;
394 }
325 else if (stash == tagged_stash) 395 else if (stash == tagged_stash)
326 { 396 {
327 if (svt != SVt_PVAV) 397 if (svt != SVt_PVAV)
328 croak ("encountered CBOR::XS::Tagged object that isn't an array"); 398 croak ("encountered CBOR::XS::Tagged object that isn't an array");
329 399
330 encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); 400 encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1)));
331 encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); 401 encode_sv (enc, *av_fetch ((AV *)sv, 1, 1));
402
403 return;
404 }
405 }
406
407 if (ecb_expect_false (SvREFCNT (sv) > 1)
408 && ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING))
409 {
410 if (!enc->shareable)
411 enc->shareable = (HV *)sv_2mortal ((SV *)newHV ());
412
413 SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1);
414
415 if (SvOK (*svp))
332 } 416 {
417 encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF);
418 encode_uint (enc, MAJOR_POS_INT, SvUV (*svp));
419 return;
420 }
421 else
422 {
423 sv_setuv (*svp, enc->shareable_idx);
424 ++enc->shareable_idx;
425 encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE);
426 }
427 }
428
429 if (ecb_expect_false (SvOBJECT (sv)))
430 {
431 HV *stash = SvSTASH (sv);
432 GV *method;
433
333 else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) 434 if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0)))
334 { 435 {
335 dSP; 436 dSP;
336 437
337 ENTER; SAVETMPS; PUSHMARK (SP); 438 ENTER; SAVETMPS; PUSHMARK (SP);
338 // we re-bless the reference to get overload and other niceties right 439 // we re-bless the reference to get overload and other niceties right
370 // catch this surprisingly common error 471 // catch this surprisingly common error
371 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) 472 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv)
372 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); 473 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash));
373 474
374 encode_tag (enc, CBOR_TAG_PERL_OBJECT); 475 encode_tag (enc, CBOR_TAG_PERL_OBJECT);
375 encode_uint (enc, 0x80, count + 1); 476 encode_uint (enc, MAJOR_ARRAY, count + 1);
376 encode_str (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); 477 encode_strref (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash));
377 478
378 while (count) 479 while (count)
379 encode_sv (enc, SP[1 - count--]); 480 encode_sv (enc, SP[1 - count--]);
380 481
381 PUTBACK; 482 PUTBACK;
402{ 503{
403 double nv = SvNVX (sv); 504 double nv = SvNVX (sv);
404 505
405 need (enc, 9); 506 need (enc, 9);
406 507
407 if (ecb_expect_false (nv == (U32)nv)) 508 if (ecb_expect_false (nv == (NV)(U32)nv))
408 encode_uint (enc, 0x00, (U32)nv); 509 encode_uint (enc, MAJOR_POS_INT, (U32)nv);
409 //TODO: maybe I32? 510 //TODO: maybe I32?
410 else if (ecb_expect_false (nv == (float)nv)) 511 else if (ecb_expect_false (nv == (float)nv))
411 { 512 {
412 uint32_t fp = ecb_float_to_binary32 (nv); 513 uint32_t fp = ecb_float_to_binary32 (nv);
413 514
414 *enc->cur++ = 0xe0 | 26; 515 *enc->cur++ = MAJOR_MISC | MISC_FLOAT32;
415 516
416 if (!ecb_big_endian ()) 517 if (!ecb_big_endian ())
417 fp = ecb_bswap32 (fp); 518 fp = ecb_bswap32 (fp);
418 519
419 memcpy (enc->cur, &fp, 4); 520 memcpy (enc->cur, &fp, 4);
421 } 522 }
422 else 523 else
423 { 524 {
424 uint64_t fp = ecb_double_to_binary64 (nv); 525 uint64_t fp = ecb_double_to_binary64 (nv);
425 526
426 *enc->cur++ = 0xe0 | 27; 527 *enc->cur++ = MAJOR_MISC | MISC_FLOAT64;
427 528
428 if (!ecb_big_endian ()) 529 if (!ecb_big_endian ())
429 fp = ecb_bswap64 (fp); 530 fp = ecb_bswap64 (fp);
430 531
431 memcpy (enc->cur, &fp, 8); 532 memcpy (enc->cur, &fp, 8);
440 541
441 if (SvPOKp (sv)) 542 if (SvPOKp (sv))
442 { 543 {
443 STRLEN len; 544 STRLEN len;
444 char *str = SvPV (sv, len); 545 char *str = SvPV (sv, len);
445 encode_str (enc, SvUTF8 (sv), str, len); 546 encode_strref (enc, SvUTF8 (sv), str, len);
446 } 547 }
447 else if (SvNOKp (sv)) 548 else if (SvNOKp (sv))
448 encode_nv (enc, sv); 549 encode_nv (enc, sv);
449 else if (SvIOKp (sv)) 550 else if (SvIOKp (sv))
450 { 551 {
451 if (SvIsUV (sv)) 552 if (SvIsUV (sv))
452 encode_uint (enc, 0x00, SvUVX (sv)); 553 encode_uint (enc, MAJOR_POS_INT, SvUVX (sv));
453 else if (SvIVX (sv) >= 0) 554 else if (SvIVX (sv) >= 0)
454 encode_uint (enc, 0x00, SvIVX (sv)); 555 encode_uint (enc, MAJOR_POS_INT, SvIVX (sv));
455 else 556 else
456 encode_uint (enc, 0x20, -(SvIVX (sv) + 1)); 557 encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1));
457 } 558 }
458 else if (SvROK (sv)) 559 else if (SvROK (sv))
459 encode_rv (enc, SvRV (sv)); 560 encode_rv (enc, SvRV (sv));
460 else if (!SvOK (sv)) 561 else if (!SvOK (sv))
461 encode_ch (enc, 0xe0 | 22); 562 encode_ch (enc, MAJOR_MISC | SIMPLE_NULL);
462 else if (enc->cbor.flags & F_ALLOW_UNKNOWN) 563 else if (enc->cbor.flags & F_ALLOW_UNKNOWN)
463 encode_ch (enc, 0xe0 | 23); 564 encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF);
464 else 565 else
465 croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data", 566 croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data",
466 SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); 567 SvPV_nolen (sv), (unsigned int)SvFLAGS (sv));
467} 568}
468 569
475 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); 576 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
476 enc.cur = SvPVX (enc.sv); 577 enc.cur = SvPVX (enc.sv);
477 enc.end = SvEND (enc.sv); 578 enc.end = SvEND (enc.sv);
478 579
479 SvPOK_only (enc.sv); 580 SvPOK_only (enc.sv);
581
582 if (cbor->flags & F_PACK_STRINGS)
583 {
584 encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE);
585 enc.stringref[0]= (HV *)sv_2mortal ((SV *)newHV ());
586 enc.stringref[1]= (HV *)sv_2mortal ((SV *)newHV ());
587 }
588
480 encode_sv (&enc, scalar); 589 encode_sv (&enc, scalar);
481 590
482 SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); 591 SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));
483 *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings 592 *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings
484 593
499 const char *err; // parse error, if != 0 608 const char *err; // parse error, if != 0
500 CBOR cbor; 609 CBOR cbor;
501 U32 depth; // recursion depth 610 U32 depth; // recursion depth
502 U32 maxdepth; // recursion depth limit 611 U32 maxdepth; // recursion depth limit
503 AV *shareable; 612 AV *shareable;
613 AV *stringref;
614 SV *decode_tagged;
504} dec_t; 615} dec_t;
505 616
506#define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE 617#define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE
507 618
508#define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") 619#define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data")
511#define DEC_DEC_DEPTH --dec->depth 622#define DEC_DEC_DEPTH --dec->depth
512 623
513static UV 624static UV
514decode_uint (dec_t *dec) 625decode_uint (dec_t *dec)
515{ 626{
516 switch (*dec->cur & 31) 627 U8 m = *dec->cur & MINOR_MASK;
628 ++dec->cur;
629
630 if (ecb_expect_true (m < LENGTH_EXT1))
631 return m;
632
633 switch (m)
517 { 634 {
518 case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: 635 case LENGTH_EXT1:
519 case 8: case 9: case 10: case 11: case 12: case 13: case 14: case 15: 636 WANT (1);
520 case 16: case 17: case 18: case 19: case 20: case 21: case 22: case 23: 637 dec->cur += 1;
521 return *dec->cur++ & 31; 638 return dec->cur[-1];
522 639
523 case 24: 640 case LENGTH_EXT2:
524 WANT (2); 641 WANT (2);
525 dec->cur += 2; 642 dec->cur += 2;
526 return dec->cur[-1];
527
528 case 25:
529 WANT (3);
530 dec->cur += 3;
531 return (((UV)dec->cur[-2]) << 8) 643 return (((UV)dec->cur[-2]) << 8)
532 | ((UV)dec->cur[-1]); 644 | ((UV)dec->cur[-1]);
533 645
534 case 26: 646 case LENGTH_EXT4:
535 WANT (5); 647 WANT (4);
536 dec->cur += 5; 648 dec->cur += 4;
537 return (((UV)dec->cur[-4]) << 24) 649 return (((UV)dec->cur[-4]) << 24)
538 | (((UV)dec->cur[-3]) << 16) 650 | (((UV)dec->cur[-3]) << 16)
539 | (((UV)dec->cur[-2]) << 8) 651 | (((UV)dec->cur[-2]) << 8)
540 | ((UV)dec->cur[-1]); 652 | ((UV)dec->cur[-1]);
541 653
542 case 27: 654 case LENGTH_EXT8:
543 WANT (9); 655 WANT (8);
544 dec->cur += 9; 656 dec->cur += 8;
657
658 return
659#if UVSIZE < 8
660 0
661#else
545 return (((UV)dec->cur[-8]) << 56) 662 (((UV)dec->cur[-8]) << 56)
546 | (((UV)dec->cur[-7]) << 48) 663 | (((UV)dec->cur[-7]) << 48)
547 | (((UV)dec->cur[-6]) << 40) 664 | (((UV)dec->cur[-6]) << 40)
548 | (((UV)dec->cur[-5]) << 32) 665 | (((UV)dec->cur[-5]) << 32)
666#endif
549 | (((UV)dec->cur[-4]) << 24) 667 | (((UV)dec->cur[-4]) << 24)
550 | (((UV)dec->cur[-3]) << 16) 668 | (((UV)dec->cur[-3]) << 16)
551 | (((UV)dec->cur[-2]) << 8) 669 | (((UV)dec->cur[-2]) << 8)
552 | ((UV)dec->cur[-1]); 670 | ((UV)dec->cur[-1]);
553 671
566{ 684{
567 AV *av = newAV (); 685 AV *av = newAV ();
568 686
569 DEC_INC_DEPTH; 687 DEC_INC_DEPTH;
570 688
571 if ((*dec->cur & 31) == 31) 689 if (*dec->cur == (MAJOR_ARRAY | MINOR_INDEF))
572 { 690 {
573 ++dec->cur; 691 ++dec->cur;
574 692
575 for (;;) 693 for (;;)
576 { 694 {
577 WANT (1); 695 WANT (1);
578 696
579 if (*dec->cur == (0xe0 | 31)) 697 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF))
580 { 698 {
581 ++dec->cur; 699 ++dec->cur;
582 break; 700 break;
583 } 701 }
584 702
606 724
607static void 725static void
608decode_he (dec_t *dec, HV *hv) 726decode_he (dec_t *dec, HV *hv)
609{ 727{
610 // for speed reasons, we specialcase single-string 728 // for speed reasons, we specialcase single-string
611 // byte or utf-8 strings as keys. 729 // byte or utf-8 strings as keys, but only when !stringref
612 730
613 if (*dec->cur >= 0x40 && *dec->cur <= 0x40 + 27) 731 if (ecb_expect_true (!dec->stringref))
732 if ((*dec->cur - MAJOR_BYTES) <= 27)
614 { 733 {
615 I32 len = decode_uint (dec); 734 I32 len = decode_uint (dec);
616 char *key = (char *)dec->cur; 735 char *key = (char *)dec->cur;
617 736
618 dec->cur += len; 737 dec->cur += len;
619 738
739 if (ecb_expect_false (dec->stringref))
740 av_push (dec->stringref, newSVpvn (key, len));
741
620 hv_store (hv, key, len, decode_sv (dec), 0); 742 hv_store (hv, key, len, decode_sv (dec), 0);
743
744 return;
621 } 745 }
622 else if (*dec->cur >= 0x60 && *dec->cur <= 0x60 + 27) 746 else if ((*dec->cur - MAJOR_TEXT) <= 27)
623 { 747 {
624 I32 len = decode_uint (dec); 748 I32 len = decode_uint (dec);
625 char *key = (char *)dec->cur; 749 char *key = (char *)dec->cur;
626 750
627 dec->cur += len; 751 dec->cur += len;
628 752
753 if (ecb_expect_false (dec->stringref))
754 av_push (dec->stringref, newSVpvn_utf8 (key, len, 1));
755
629 hv_store (hv, key, -len, decode_sv (dec), 0); 756 hv_store (hv, key, -len, decode_sv (dec), 0);
757
758 return;
630 } 759 }
631 else 760
632 {
633 SV *k = decode_sv (dec); 761 SV *k = decode_sv (dec);
634 SV *v = decode_sv (dec); 762 SV *v = decode_sv (dec);
635 763
636 hv_store_ent (hv, k, v, 0); 764 hv_store_ent (hv, k, v, 0);
637 SvREFCNT_dec (k); 765 SvREFCNT_dec (k);
638 }
639} 766}
640 767
641static SV * 768static SV *
642decode_hv (dec_t *dec) 769decode_hv (dec_t *dec)
643{ 770{
644 HV *hv = newHV (); 771 HV *hv = newHV ();
645 772
646 DEC_INC_DEPTH; 773 DEC_INC_DEPTH;
647 774
648 if ((*dec->cur & 31) == 31) 775 if (*dec->cur == (MAJOR_MAP | MINOR_INDEF))
649 { 776 {
650 ++dec->cur; 777 ++dec->cur;
651 778
652 for (;;) 779 for (;;)
653 { 780 {
654 WANT (1); 781 WANT (1);
655 782
656 if (*dec->cur == (0xe0 | 31)) 783 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF))
657 { 784 {
658 ++dec->cur; 785 ++dec->cur;
659 break; 786 break;
660 } 787 }
661 788
682static SV * 809static SV *
683decode_str (dec_t *dec, int utf8) 810decode_str (dec_t *dec, int utf8)
684{ 811{
685 SV *sv = 0; 812 SV *sv = 0;
686 813
687 if ((*dec->cur & 31) == 31) 814 if ((*dec->cur & MINOR_MASK) == MINOR_INDEF)
688 { 815 {
816 // indefinite length strings
689 ++dec->cur; 817 ++dec->cur;
690 818
819 U8 major = *dec->cur & MAJOR_MISC;
820
691 sv = newSVpvn ("", 0); 821 sv = newSVpvn ("", 0);
692 822
693 // not very fast, and certainly not robust against illegal input
694 for (;;) 823 for (;;)
695 { 824 {
696 WANT (1); 825 WANT (1);
697 826
698 if (*dec->cur == (0xe0 | 31)) 827 if ((*dec->cur - major) > LENGTH_EXT8)
828 if (*dec->cur == (MAJOR_MISC | MINOR_INDEF))
699 { 829 {
700 ++dec->cur; 830 ++dec->cur;
701 break; 831 break;
702 } 832 }
833 else
834 ERR ("corrupted CBOR data (invalid chunks in indefinite length string)");
703 835
704 sv_catsv (sv, decode_sv (dec)); 836 STRLEN len = decode_uint (dec);
837
838 WANT (len);
839 sv_catpvn (sv, dec->cur, len);
840 dec->cur += len;
705 } 841 }
706 } 842 }
707 else 843 else
708 { 844 {
709 STRLEN len = decode_uint (dec); 845 STRLEN len = decode_uint (dec);
710 846
711 WANT (len); 847 WANT (len);
712 sv = newSVpvn (dec->cur, len); 848 sv = newSVpvn (dec->cur, len);
713 dec->cur += len; 849 dec->cur += len;
850
851 if (ecb_expect_false (dec->stringref)
852 && SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1))
853 av_push (dec->stringref, SvREFCNT_inc_NN (sv));
714 } 854 }
715 855
716 if (utf8) 856 if (utf8)
717 SvUTF8_on (sv); 857 SvUTF8_on (sv);
718 858
732 WANT (1); 872 WANT (1);
733 873
734 switch (tag) 874 switch (tag)
735 { 875 {
736 case CBOR_TAG_MAGIC: 876 case CBOR_TAG_MAGIC:
737 return decode_sv (dec); 877 sv = decode_sv (dec);
878 break;
738 879
739 case CBOR_TAG_INDIRECTION: 880 case CBOR_TAG_INDIRECTION:
740 return newRV_noinc (decode_sv (dec)); 881 sv = newRV_noinc (decode_sv (dec));
882 break;
883
884 case CBOR_TAG_STRINGREF_NAMESPACE:
885 {
886 ENTER; SAVETMPS;
887
888 SAVESPTR (dec->stringref);
889 dec->stringref = (AV *)sv_2mortal ((SV *)newAV ());
890
891 sv = decode_sv (dec);
892
893 FREETMPS; LEAVE;
894 }
895 break;
896
897 case CBOR_TAG_STRINGREF:
898 {
899 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT))
900 ERR ("corrupted CBOR data (stringref index not an unsigned integer)");
901
902 UV idx = decode_uint (dec);
903
904 if (!dec->stringref || (int)idx > AvFILLp (dec->stringref))
905 ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)");
906
907 sv = newSVsv (AvARRAY (dec->stringref)[idx]);
908 }
909 break;
741 910
742 case CBOR_TAG_VALUE_SHAREABLE: 911 case CBOR_TAG_VALUE_SHAREABLE:
743 { 912 {
744 if (ecb_expect_false (!dec->shareable)) 913 if (ecb_expect_false (!dec->shareable))
745 dec->shareable = (AV *)sv_2mortal ((SV *)newAV ()); 914 dec->shareable = (AV *)sv_2mortal ((SV *)newAV ());
749 918
750 SV *osv = decode_sv (dec); 919 SV *osv = decode_sv (dec);
751 sv_setsv (sv, osv); 920 sv_setsv (sv, osv);
752 SvREFCNT_dec_NN (osv); 921 SvREFCNT_dec_NN (osv);
753 } 922 }
754 923 break;
755 return sv;
756 924
757 case CBOR_TAG_VALUE_SHAREDREF: 925 case CBOR_TAG_VALUE_SHAREDREF:
758 { 926 {
759 if ((*dec->cur >> 5) != 0) 927 if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT))
760 ERR ("corrupted CBOR data (sharedref index not an unsigned integer)"); 928 ERR ("corrupted CBOR data (sharedref index not an unsigned integer)");
761 929
762 UV idx = decode_uint (dec); 930 UV idx = decode_uint (dec);
763 931
764 if (!dec->shareable || idx > AvFILLp (dec->shareable)) 932 if (!dec->shareable || (int)idx > AvFILLp (dec->shareable))
765 ERR ("corrupted CBOR data (sharedref index out of bounds)"); 933 ERR ("corrupted CBOR data (sharedref index out of bounds)");
766 934
767 return SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]); 935 sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]);
768 } 936 }
937 break;
769 938
770 case CBOR_TAG_PERL_OBJECT: 939 case CBOR_TAG_PERL_OBJECT:
771 { 940 {
772 sv = decode_sv (dec); 941 sv = decode_sv (dec);
773 942
813 sv = SvREFCNT_inc (POPs); 982 sv = SvREFCNT_inc (POPs);
814 983
815 PUTBACK; 984 PUTBACK;
816 985
817 FREETMPS; LEAVE; 986 FREETMPS; LEAVE;
818
819 return sv;
820 } 987 }
988 break;
821 989
822 default: 990 default:
823 { 991 {
824 sv = decode_sv (dec); 992 sv = decode_sv (dec);
825 993
994 dSP;
995 ENTER; SAVETMPS; PUSHMARK (SP);
996 EXTEND (SP, 2);
997 PUSHs (newSVuv (tag));
998 PUSHs (sv);
999
1000 PUTBACK;
1001 int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL);
1002 SPAGAIN;
1003
1004 if (SvTRUE (ERRSV))
1005 {
1006 FREETMPS; LEAVE;
1007 ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV))));
1008 }
1009
1010 if (count)
1011 {
1012 SvREFCNT_dec (sv);
1013 sv = SvREFCNT_inc (POPs);
1014 }
1015 else
1016 {
826 AV *av = newAV (); 1017 AV *av = newAV ();
827 av_push (av, newSVuv (tag)); 1018 av_push (av, newSVuv (tag));
828 av_push (av, sv); 1019 av_push (av, sv);
829 1020
830 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash 1021 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash
831 ? cbor_tagged_stash 1022 ? cbor_tagged_stash
832 : gv_stashpv ("CBOR::XS::Tagged" , 1); 1023 : gv_stashpv ("CBOR::XS::Tagged" , 1);
833
834 return sv_bless (newRV_noinc ((SV *)av), tagged_stash); 1024 sv = sv_bless (newRV_noinc ((SV *)av), tagged_stash);
835 } 1025 }
1026
1027 PUTBACK;
1028
1029 FREETMPS; LEAVE;
1030 }
1031 break;
836 } 1032 }
1033
1034 return sv;
837 1035
838fail: 1036fail:
839 SvREFCNT_dec (sv); 1037 SvREFCNT_dec (sv);
840 return &PL_sv_undef; 1038 return &PL_sv_undef;
841} 1039}
843static SV * 1041static SV *
844decode_sv (dec_t *dec) 1042decode_sv (dec_t *dec)
845{ 1043{
846 WANT (1); 1044 WANT (1);
847 1045
848 switch (*dec->cur >> 5) 1046 switch (*dec->cur >> MAJOR_SHIFT)
849 { 1047 {
850 case 0: // unsigned int 1048 case MAJOR_POS_INT >> MAJOR_SHIFT: return newSVuv (decode_uint (dec));
851 return newSVuv (decode_uint (dec)); 1049 case MAJOR_NEG_INT >> MAJOR_SHIFT: return newSViv (-1 - (IV)decode_uint (dec));
852 case 1: // negative int 1050 case MAJOR_BYTES >> MAJOR_SHIFT: return decode_str (dec, 0);
853 return newSViv (-1 - (IV)decode_uint (dec)); 1051 case MAJOR_TEXT >> MAJOR_SHIFT: return decode_str (dec, 1);
854 case 2: // octet string 1052 case MAJOR_ARRAY >> MAJOR_SHIFT: return decode_av (dec);
855 return decode_str (dec, 0); 1053 case MAJOR_MAP >> MAJOR_SHIFT: return decode_hv (dec);
856 case 3: // utf-8 string 1054 case MAJOR_TAG >> MAJOR_SHIFT: return decode_tagged (dec);
857 return decode_str (dec, 1); 1055
858 case 4: // array 1056 case MAJOR_MISC >> MAJOR_SHIFT:
859 return decode_av (dec);
860 case 5: // map
861 return decode_hv (dec);
862 case 6: // tag
863 return decode_tagged (dec);
864 case 7: // misc
865 switch (*dec->cur++ & 31) 1057 switch (*dec->cur++ & MINOR_MASK)
866 { 1058 {
867 case 20: 1059 case SIMPLE_FALSE:
868#if CBOR_SLOW 1060#if CBOR_SLOW
869 types_false = get_bool ("Types::Serialiser::false"); 1061 types_false = get_bool ("Types::Serialiser::false");
870#endif 1062#endif
871 return newSVsv (types_false); 1063 return newSVsv (types_false);
872 case 21: 1064 case SIMPLE_TRUE:
873#if CBOR_SLOW 1065#if CBOR_SLOW
874 types_true = get_bool ("Types::Serialiser::true"); 1066 types_true = get_bool ("Types::Serialiser::true");
875#endif 1067#endif
876 return newSVsv (types_true); 1068 return newSVsv (types_true);
877 case 22: 1069 case SIMPLE_NULL:
878 return newSVsv (&PL_sv_undef); 1070 return newSVsv (&PL_sv_undef);
879 case 23: 1071 case SIMPLE_UNDEF:
880#if CBOR_SLOW 1072#if CBOR_SLOW
881 types_error = get_bool ("Types::Serialiser::error"); 1073 types_error = get_bool ("Types::Serialiser::error");
882#endif 1074#endif
883 return newSVsv (types_error); 1075 return newSVsv (types_error);
884 1076
885 case 25: 1077 case MISC_FLOAT16:
886 { 1078 {
887 WANT (2); 1079 WANT (2);
888 1080
889 uint16_t fp = (dec->cur[0] << 8) | dec->cur[1]; 1081 uint16_t fp = (dec->cur[0] << 8) | dec->cur[1];
890 dec->cur += 2; 1082 dec->cur += 2;
891 1083
892 return newSVnv (ecb_binary16_to_float (fp)); 1084 return newSVnv (ecb_binary16_to_float (fp));
893 } 1085 }
894 1086
895 case 26: 1087 case MISC_FLOAT32:
896 { 1088 {
897 uint32_t fp; 1089 uint32_t fp;
898 WANT (4); 1090 WANT (4);
899 memcpy (&fp, dec->cur, 4); 1091 memcpy (&fp, dec->cur, 4);
900 dec->cur += 4; 1092 dec->cur += 4;
903 fp = ecb_bswap32 (fp); 1095 fp = ecb_bswap32 (fp);
904 1096
905 return newSVnv (ecb_binary32_to_float (fp)); 1097 return newSVnv (ecb_binary32_to_float (fp));
906 } 1098 }
907 1099
908 case 27: 1100 case MISC_FLOAT64:
909 { 1101 {
910 uint64_t fp; 1102 uint64_t fp;
911 WANT (8); 1103 WANT (8);
912 memcpy (&fp, dec->cur, 8); 1104 memcpy (&fp, dec->cur, 8);
913 dec->cur += 8; 1105 dec->cur += 8;
916 fp = ecb_bswap64 (fp); 1108 fp = ecb_bswap64 (fp);
917 1109
918 return newSVnv (ecb_binary64_to_double (fp)); 1110 return newSVnv (ecb_binary64_to_double (fp));
919 } 1111 }
920 1112
921 // 0..19 unassigned 1113 // 0..19 unassigned simple
922 // 24 reserved + unassigned (reserved values are not encodable) 1114 // 24 reserved + unassigned (reserved values are not encodable)
923 default: 1115 default:
924 ERR ("corrupted CBOR data (reserved/unassigned major 7 value)"); 1116 ERR ("corrupted CBOR data (reserved/unassigned major 7 value)");
925 } 1117 }
926 1118
981 types_error_stash = gv_stashpv ("Types::Serialiser::Error" , 1); 1173 types_error_stash = gv_stashpv ("Types::Serialiser::Error" , 1);
982 1174
983 types_true = get_bool ("Types::Serialiser::true" ); 1175 types_true = get_bool ("Types::Serialiser::true" );
984 types_false = get_bool ("Types::Serialiser::false"); 1176 types_false = get_bool ("Types::Serialiser::false");
985 types_error = get_bool ("Types::Serialiser::error"); 1177 types_error = get_bool ("Types::Serialiser::error");
1178
1179 default_filter = newSVpv ("CBOR::XS::default_filter", 0);
986 1180
987 sv_cbor = newSVpv ("CBOR", 0); 1181 sv_cbor = newSVpv ("CBOR", 0);
988 SvREADONLY_on (sv_cbor); 1182 SvREADONLY_on (sv_cbor);
989} 1183}
990 1184
1012void shrink (CBOR *self, int enable = 1) 1206void shrink (CBOR *self, int enable = 1)
1013 ALIAS: 1207 ALIAS:
1014 shrink = F_SHRINK 1208 shrink = F_SHRINK
1015 allow_unknown = F_ALLOW_UNKNOWN 1209 allow_unknown = F_ALLOW_UNKNOWN
1016 allow_sharing = F_ALLOW_SHARING 1210 allow_sharing = F_ALLOW_SHARING
1017 dedup_keys = F_DEDUP_KEYS
1018 dedup_strings = F_DEDUP_STRINGS 1211 pack_strings = F_PACK_STRINGS
1019 PPCODE: 1212 PPCODE:
1020{ 1213{
1021 if (enable) 1214 if (enable)
1022 self->flags |= ix; 1215 self->flags |= ix;
1023 else 1216 else
1029void get_shrink (CBOR *self) 1222void get_shrink (CBOR *self)
1030 ALIAS: 1223 ALIAS:
1031 get_shrink = F_SHRINK 1224 get_shrink = F_SHRINK
1032 get_allow_unknown = F_ALLOW_UNKNOWN 1225 get_allow_unknown = F_ALLOW_UNKNOWN
1033 get_allow_sharing = F_ALLOW_SHARING 1226 get_allow_sharing = F_ALLOW_SHARING
1034 get_dedup_keys = F_DEDUP_KEYS
1035 get_dedup_strings = F_DEDUP_STRINGS 1227 get_pack_strings = F_PACK_STRINGS
1036 PPCODE: 1228 PPCODE:
1037 XPUSHs (boolSV (self->flags & ix)); 1229 XPUSHs (boolSV (self->flags & ix));
1038 1230
1039void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) 1231void max_depth (CBOR *self, U32 max_depth = 0x80000000UL)
1040 PPCODE: 1232 PPCODE:
1053 XPUSHs (ST (0)); 1245 XPUSHs (ST (0));
1054 1246
1055int get_max_size (CBOR *self) 1247int get_max_size (CBOR *self)
1056 CODE: 1248 CODE:
1057 RETVAL = self->max_size; 1249 RETVAL = self->max_size;
1250 OUTPUT:
1251 RETVAL
1252
1253void filter (CBOR *self, SV *filter = 0)
1254 PPCODE:
1255 SvREFCNT_dec (self->filter);
1256 self->filter = filter ? newSVsv (filter) : filter;
1257 XPUSHs (ST (0));
1258
1259SV *get_filter (CBOR *self)
1260 CODE:
1261 RETVAL = self->filter ? self->filter : NEWSV (0, 0);
1058 OUTPUT: 1262 OUTPUT:
1059 RETVAL 1263 RETVAL
1060 1264
1061void encode (CBOR *self, SV *scalar) 1265void encode (CBOR *self, SV *scalar)
1062 PPCODE: 1266 PPCODE:
1077 EXTEND (SP, 2); 1281 EXTEND (SP, 2);
1078 PUSHs (sv); 1282 PUSHs (sv);
1079 PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); 1283 PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr))));
1080} 1284}
1081 1285
1286void DESTROY (CBOR *self)
1287 PPCODE:
1288 cbor_free (self);
1289
1082PROTOTYPES: ENABLE 1290PROTOTYPES: ENABLE
1083 1291
1084void encode_cbor (SV *scalar) 1292void encode_cbor (SV *scalar)
1085 PPCODE: 1293 PPCODE:
1086{ 1294{

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