ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/CBOR-XS/XS.xs
(Generate patch)

Comparing CBOR-XS/XS.xs (file contents):
Revision 1.52 by root, Sun Apr 24 19:31:55 2016 UTC vs.
Revision 1.53 by root, Sun Apr 24 19:51:41 2016 UTC

101#define F_ALLOW_UNKNOWN 0x00000002UL 101#define F_ALLOW_UNKNOWN 0x00000002UL
102#define F_ALLOW_SHARING 0x00000004UL 102#define F_ALLOW_SHARING 0x00000004UL
103#define F_ALLOW_CYCLES 0x00000008UL 103#define F_ALLOW_CYCLES 0x00000008UL
104#define F_PACK_STRINGS 0x00000010UL 104#define F_PACK_STRINGS 0x00000010UL
105#define F_UTF8_STRINGS 0x00000020UL 105#define F_UTF8_STRINGS 0x00000020UL
106#define F_UTF8_KEYS 0x00000040UL
106#define F_VALIDATE_UTF8 0x00000040UL 107#define F_VALIDATE_UTF8 0x00000080UL
107 108
108#define INIT_SIZE 32 // initial scalar size to be allocated 109#define INIT_SIZE 32 // initial scalar size to be allocated
109 110
110#define SB do { 111#define SB do {
111#define SE } while (0) 112#define SE } while (0)
277encode_tag (enc_t *enc, UV tag) 278encode_tag (enc_t *enc, UV tag)
278{ 279{
279 encode_uint (enc, MAJOR_TAG, tag); 280 encode_uint (enc, MAJOR_TAG, tag);
280} 281}
281 282
283// exceptional (hopefully) slow path for byte strings that need to be utf8-encoded
284ecb_noinline static void
285encode_str_utf8 (enc_t *enc, int utf8, char *str, STRLEN len)
286{
287 STRLEN ulen = len;
288 U8 *p, *pend = (U8 *)str + len;
289
290 for (p = (U8 *)str; p < pend; ++p)
291 ulen += *p >> 7; // count set high bits
292
293 encode_uint (enc, MAJOR_TEXT, ulen);
294
295 need (enc, ulen);
296 for (p = (U8 *)str; p < pend; ++p)
297 if (*p < 0x80)
298 *enc->cur++ = *p;
299 else
300 {
301 *enc->cur++ = 0xc0 + (*p >> 6);
302 *enc->cur++ = 0x80 + (*p & 63);
303 }
304}
305
282ecb_inline void 306ecb_inline void
283encode_str (enc_t *enc, int utf8, char *str, STRLEN len) 307encode_str (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
284{ 308{
285 if (ecb_expect_false (enc->cbor.flags & F_UTF8_STRINGS)) 309 if (ecb_expect_false (upgrade_utf8))
286 if (!utf8) 310 if (!utf8)
287 { 311 {
288 // exceptional path for bytze strings that need to be utf8-encoded 312 encode_str_utf8 (enc, utf8, str, len);
289 STRLEN ulen = len;
290 U8 *p, *pend = (U8 *)str + len;
291
292 for (p = (U8 *)str; p < pend; ++p)
293 ulen += *p >> 7; // count set high bits
294
295 encode_uint (enc, MAJOR_TEXT, ulen);
296
297 need (enc, ulen);
298 for (p = (U8 *)str; p < pend; ++p)
299 if (*p < 0x80)
300 *enc->cur++ = *p;
301 else
302 {
303 *enc->cur++ = 0xc0 + (*p >> 6);
304 *enc->cur++ = 0x80 + (*p & 63);
305 }
306
307 return; 313 return;
308 } 314 }
309 315
310 encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); 316 encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len);
311 need (enc, len); 317 need (enc, len);
312 memcpy (enc->cur, str, len); 318 memcpy (enc->cur, str, len);
313 enc->cur += len; 319 enc->cur += len;
314} 320}
315 321
316static void 322ecb_inline
317encode_strref (enc_t *enc, int utf8, char *str, STRLEN len) 323encode_strref (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
318{ 324{
319 if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS)) 325 if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS))
320 { 326 {
321 SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1); 327 SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1);
322 328
333 sv_setuv (*svp, enc->stringref_idx); 339 sv_setuv (*svp, enc->stringref_idx);
334 ++enc->stringref_idx; 340 ++enc->stringref_idx;
335 } 341 }
336 } 342 }
337 343
338 encode_str (enc, utf8, str, len); 344 encode_str (enc, upgrade_utf8, utf8, str, len);
339} 345}
340 346
341static void encode_sv (enc_t *enc, SV *sv); 347static void encode_sv (enc_t *enc, SV *sv);
342 348
343static void 349static void
389 while ((he = hv_iternext (hv))) 395 while ((he = hv_iternext (hv)))
390 { 396 {
391 if (HeKLEN (he) == HEf_SVKEY) 397 if (HeKLEN (he) == HEf_SVKEY)
392 encode_sv (enc, HeSVKEY (he)); 398 encode_sv (enc, HeSVKEY (he));
393 else 399 else
394 encode_strref (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he)); 400 encode_strref (enc, enc->cbor.flags & (F_UTF8_KEYS | F_UTF8_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he));
395 401
396 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he)); 402 encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he));
397 } 403 }
398 404
399 if (mg) 405 if (mg)
517 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) 523 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv)
518 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); 524 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash));
519 525
520 encode_tag (enc, CBOR_TAG_PERL_OBJECT); 526 encode_tag (enc, CBOR_TAG_PERL_OBJECT);
521 encode_uint (enc, MAJOR_ARRAY, count + 1); 527 encode_uint (enc, MAJOR_ARRAY, count + 1);
522 encode_strref (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); 528 encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash));
523 529
524 while (count) 530 while (count)
525 encode_sv (enc, SP[1 - count--]); 531 encode_sv (enc, SP[1 - count--]);
526 532
527 PUTBACK; 533 PUTBACK;
586 592
587 if (SvPOKp (sv)) 593 if (SvPOKp (sv))
588 { 594 {
589 STRLEN len; 595 STRLEN len;
590 char *str = SvPV (sv, len); 596 char *str = SvPV (sv, len);
591 encode_strref (enc, SvUTF8 (sv), str, len); 597 encode_strref (enc, enc->cbor.flags & F_UTF8_STRINGS, SvUTF8 (sv), str, len);
592 } 598 }
593 else if (SvNOKp (sv)) 599 else if (SvNOKp (sv))
594 encode_nv (enc, sv); 600 encode_nv (enc, sv);
595 else if (SvIOKp (sv)) 601 else if (SvIOKp (sv))
596 { 602 {

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines