… | |
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103 | |
103 | |
104 | // known forced types, also hardcoded in CBOR.pm |
104 | // known forced types, also hardcoded in CBOR.pm |
105 | enum |
105 | enum |
106 | { |
106 | { |
107 | AS_CBOR = 0, |
107 | AS_CBOR = 0, |
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108 | AS_INT = 1, |
108 | AS_BYTES = 1, |
109 | AS_BYTES = 2, |
109 | AS_TEXT = 2, |
110 | AS_TEXT = 3, |
110 | AS_FLOAT16 = 3, |
111 | AS_FLOAT16 = 4, |
111 | AS_FLOAT32 = 4, |
112 | AS_FLOAT32 = 5, |
112 | AS_FLOAT64 = 5, |
113 | AS_FLOAT64 = 6, |
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114 | AS_MAP = 7, |
113 | // possibly future enhancements: float, integer |
115 | // possibly future enhancements: (generic) float, (generic) string |
114 | }; |
116 | }; |
115 | |
117 | |
116 | #define F_SHRINK 0x00000001UL |
118 | #define F_SHRINK 0x00000001UL |
117 | #define F_ALLOW_UNKNOWN 0x00000002UL |
119 | #define F_ALLOW_UNKNOWN 0x00000002UL |
118 | #define F_ALLOW_SHARING 0x00000004UL |
120 | #define F_ALLOW_SHARING 0x00000004UL |
… | |
… | |
237 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
239 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
238 | enc->cur = SvPVX (enc->sv) + cur; |
240 | enc->cur = SvPVX (enc->sv) + cur; |
239 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
241 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
240 | } |
242 | } |
241 | } |
243 | } |
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244 | |
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245 | static void encode_sv (enc_t *enc, SV *sv); |
242 | |
246 | |
243 | ecb_inline void |
247 | ecb_inline void |
244 | encode_ch (enc_t *enc, char ch) |
248 | encode_ch (enc_t *enc, char ch) |
245 | { |
249 | { |
246 | need (enc, 1); |
250 | need (enc, 1); |
… | |
… | |
287 | *enc->cur++ = len; |
291 | *enc->cur++ = len; |
288 | } |
292 | } |
289 | } |
293 | } |
290 | |
294 | |
291 | // encodes a perl value into a CBOR integer |
295 | // encodes a perl value into a CBOR integer |
292 | ecb_inline |
296 | ecb_inline void |
293 | encode_int (enc_t *enc, SV *sv) |
297 | encode_int (enc_t *enc, SV *sv) |
294 | { |
298 | { |
295 | if (SvIsUV (sv)) |
299 | if (SvIsUV (sv)) |
296 | encode_uint (enc, MAJOR_POS_INT, SvUVX (sv)); |
300 | encode_uint (enc, MAJOR_POS_INT, SvUVX (sv)); |
297 | else if (SvIVX (sv) >= 0) |
301 | else if (SvIVX (sv) >= 0) |
… | |
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417 | memcpy (enc->cur, &fp, 8); |
421 | memcpy (enc->cur, &fp, 8); |
418 | enc->cur += 8; |
422 | enc->cur += 8; |
419 | } |
423 | } |
420 | |
424 | |
421 | ecb_inline void |
425 | ecb_inline void |
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426 | encode_bool (enc_t *enc, int istrue) |
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427 | { |
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428 | encode_ch (enc, istrue ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE); |
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429 | } |
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430 | |
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431 | // encodes an arrayref containing key-value pairs as CBOR map |
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432 | ecb_inline void |
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433 | encode_array_as_map (enc_t *enc, SV *sv) |
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434 | { |
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435 | if (enc->depth >= enc->cbor.max_depth) |
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436 | croak (ERR_NESTING_EXCEEDED); |
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437 | |
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438 | ++enc->depth; |
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439 | |
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440 | // as_map does error checking for us, but we re-check in case |
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441 | // things have changed. |
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442 | |
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443 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
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444 | croak ("CBOR::XS::as_map requires an array reference (did you change the array after calling as_map?)"); |
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445 | |
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446 | AV *av = (AV *)SvRV (sv); |
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447 | int i, len = av_len (av); |
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448 | |
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449 | if (!(len & 1)) |
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450 | croak ("CBOR::XS::as_map requires an even number of elements (did you change the array after calling as_map?)"); |
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451 | |
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452 | encode_uint (enc, MAJOR_MAP, (len + 1) >> 1); |
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453 | |
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454 | for (i = 0; i <= len; ++i) |
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455 | { |
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456 | SV **svp = av_fetch (av, i, 0); |
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457 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
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458 | } |
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459 | |
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460 | --enc->depth; |
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461 | } |
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462 | |
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463 | ecb_inline void |
422 | encode_forced (enc_t *enc, UV type, SV *sv) |
464 | encode_forced (enc_t *enc, UV type, SV *sv) |
423 | { |
465 | { |
424 | switch (type) |
466 | switch (type) |
425 | { |
467 | { |
426 | case AS_CBOR: |
468 | case AS_CBOR: |
… | |
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448 | char *str = SvPVutf8 (sv, len); |
490 | char *str = SvPVutf8 (sv, len); |
449 | encode_strref (enc, 1, 1, str, len); |
491 | encode_strref (enc, 1, 1, str, len); |
450 | } |
492 | } |
451 | break; |
493 | break; |
452 | |
494 | |
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495 | case AS_INT: encode_int (enc, sv); break; |
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496 | |
453 | case AS_FLOAT16: encode_float16 (enc, SvNV (sv)); break; |
497 | case AS_FLOAT16: encode_float16 (enc, SvNV (sv)); break; |
454 | case AS_FLOAT32: encode_float32 (enc, SvNV (sv)); break; |
498 | case AS_FLOAT32: encode_float32 (enc, SvNV (sv)); break; |
455 | case AS_FLOAT64: encode_float64 (enc, SvNV (sv)); break; |
499 | case AS_FLOAT64: encode_float64 (enc, SvNV (sv)); break; |
456 | |
500 | |
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501 | case AS_MAP: encode_array_as_map (enc, sv); break; |
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502 | |
457 | default: |
503 | default: |
458 | croak ("encountered malformed CBOR::XS::Tagged object"); |
504 | croak ("encountered malformed CBOR::XS::Tagged object"); |
459 | } |
505 | } |
460 | } |
506 | } |
461 | |
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462 | static void encode_sv (enc_t *enc, SV *sv); |
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463 | |
507 | |
464 | static void |
508 | static void |
465 | encode_av (enc_t *enc, AV *av) |
509 | encode_av (enc_t *enc, AV *av) |
466 | { |
510 | { |
467 | int i, len = av_len (av); |
511 | int i, len = av_len (av); |
… | |
… | |
545 | |
589 | |
546 | HV *stash = SvSTASH (sv); |
590 | HV *stash = SvSTASH (sv); |
547 | |
591 | |
548 | if (stash == boolean_stash) |
592 | if (stash == boolean_stash) |
549 | { |
593 | { |
550 | encode_ch (enc, SvIV (sv) ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE); |
594 | encode_bool (enc, SvIV (sv)); |
551 | return; |
595 | return; |
552 | } |
596 | } |
553 | else if (stash == error_stash) |
597 | else if (stash == error_stash) |
554 | { |
598 | { |
555 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
599 | encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF); |
… | |
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714 | encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len); |
758 | encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len); |
715 | } |
759 | } |
716 | else if (SvNOKp (sv)) |
760 | else if (SvNOKp (sv)) |
717 | encode_nv (enc, sv); |
761 | encode_nv (enc, sv); |
718 | else if (SvIOKp (sv)) |
762 | else if (SvIOKp (sv)) |
719 | encode_int (e,v sv); |
763 | encode_int (enc, sv); |
720 | else if (SvROK (sv)) |
764 | else if (SvROK (sv)) |
721 | encode_rv (enc, SvRV (sv)); |
765 | encode_rv (enc, SvRV (sv)); |
722 | else if (!SvOK (sv)) |
766 | else if (!SvOK (sv)) |
723 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
767 | encode_ch (enc, MAJOR_MISC | SIMPLE_NULL); |
724 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |
768 | else if (enc->cbor.flags & F_ALLOW_UNKNOWN) |