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21 | |
21 | |
22 | // F_SELFCONVERT? <=> to_json/toJson |
22 | // F_SELFCONVERT? <=> to_json/toJson |
23 | // F_BLESSED? <=> { $__class__$ => } |
23 | // F_BLESSED? <=> { $__class__$ => } |
24 | |
24 | |
25 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
25 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
26 | #define F_DEFAULT (13UL << S_MAXDEPTH) |
26 | #define F_DEFAULT (12UL << S_MAXDEPTH) |
27 | |
27 | |
28 | #define INIT_SIZE 32 // initial scalar size to be allocated |
28 | #define INIT_SIZE 32 // initial scalar size to be allocated |
29 | #define INDENT_STEP 3 // spaces per indentation level |
29 | #define INDENT_STEP 3 // spaces per indentation level |
30 | |
30 | |
31 | #define UTF8_MAX_LEN 11 // for perls UTF-X: max. number of octets per character |
31 | #define UTF8_MAX_LEN 11 // for perls UTF-X: max. number of octets per character |
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268 | static void |
268 | static void |
269 | encode_av (enc_t *enc, AV *av) |
269 | encode_av (enc_t *enc, AV *av) |
270 | { |
270 | { |
271 | int i, len = av_len (av); |
271 | int i, len = av_len (av); |
272 | |
272 | |
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273 | if (enc->indent >= enc->maxdepth) |
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274 | croak ("data structure too deep (hit recursion limit)"); |
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275 | |
273 | encode_ch (enc, '['); encode_nl (enc); |
276 | encode_ch (enc, '['); encode_nl (enc); |
274 | ++enc->indent; |
277 | ++enc->indent; |
275 | |
278 | |
276 | for (i = 0; i <= len; ++i) |
279 | for (i = 0; i <= len; ++i) |
277 | { |
280 | { |
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342 | |
345 | |
343 | static void |
346 | static void |
344 | encode_hv (enc_t *enc, HV *hv) |
347 | encode_hv (enc_t *enc, HV *hv) |
345 | { |
348 | { |
346 | int count, i; |
349 | int count, i; |
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350 | |
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351 | if (enc->indent >= enc->maxdepth) |
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352 | croak ("data structure too deep (hit recursion limit)"); |
347 | |
353 | |
348 | encode_ch (enc, '{'); encode_nl (enc); ++enc->indent; |
354 | encode_ch (enc, '{'); encode_nl (enc); ++enc->indent; |
349 | |
355 | |
350 | if ((count = hv_iterinit (hv))) |
356 | if ((count = hv_iterinit (hv))) |
351 | { |
357 | { |
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… | |
420 | } |
426 | } |
421 | |
427 | |
422 | --enc->indent; encode_indent (enc); encode_ch (enc, '}'); |
428 | --enc->indent; encode_indent (enc); encode_ch (enc, '}'); |
423 | } |
429 | } |
424 | |
430 | |
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431 | // encode objects, arrays and special \0=false and \1=true values. |
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432 | static void |
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433 | encode_rv (enc_t *enc, SV *sv) |
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434 | { |
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435 | SvGETMAGIC (sv); |
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436 | |
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437 | svtype svt = SvTYPE (sv); |
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438 | |
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439 | if (svt == SVt_PVHV) |
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440 | encode_hv (enc, (HV *)sv); |
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441 | else if (svt == SVt_PVAV) |
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442 | encode_av (enc, (AV *)sv); |
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443 | else if (svt < SVt_PVAV) |
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444 | { |
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445 | if (SvNIOK (sv) && SvIV (sv) == 0) |
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446 | encode_str (enc, "false", 5, 0); |
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447 | else if (SvNIOK (sv) && SvIV (sv) == 1) |
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448 | encode_str (enc, "true", 4, 0); |
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449 | else |
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450 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
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451 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
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452 | } |
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453 | else |
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454 | croak ("encountered %s, but JSON can only represent references to arrays or hashes", |
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455 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
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456 | } |
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457 | |
425 | static void |
458 | static void |
426 | encode_sv (enc_t *enc, SV *sv) |
459 | encode_sv (enc_t *enc, SV *sv) |
427 | { |
460 | { |
428 | SvGETMAGIC (sv); |
461 | SvGETMAGIC (sv); |
429 | |
462 | |
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448 | SvIsUV(sv) |
481 | SvIsUV(sv) |
449 | ? snprintf (enc->cur, 64, "%"UVuf, (UV)SvUVX (sv)) |
482 | ? snprintf (enc->cur, 64, "%"UVuf, (UV)SvUVX (sv)) |
450 | : snprintf (enc->cur, 64, "%"IVdf, (IV)SvIVX (sv)); |
483 | : snprintf (enc->cur, 64, "%"IVdf, (IV)SvIVX (sv)); |
451 | } |
484 | } |
452 | else if (SvROK (sv)) |
485 | else if (SvROK (sv)) |
453 | { |
486 | encode_rv (enc, SvRV (sv)); |
454 | SV *rv = SvRV (sv); |
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455 | |
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456 | if (enc->indent >= enc->maxdepth) |
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457 | croak ("data structure too deep (hit recursion limit)"); |
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458 | |
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459 | switch (SvTYPE (rv)) |
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460 | { |
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461 | case SVt_PVAV: encode_av (enc, (AV *)rv); break; |
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462 | case SVt_PVHV: encode_hv (enc, (HV *)rv); break; |
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463 | |
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464 | default: |
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465 | croak ("encountered %s, but JSON can only represent references to arrays or hashes", |
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466 | SvPV_nolen (sv)); |
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467 | } |
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468 | } |
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469 | else if (!SvOK (sv)) |
487 | else if (!SvOK (sv)) |
470 | encode_str (enc, "null", 4, 0); |
488 | encode_str (enc, "null", 4, 0); |
471 | else |
489 | else |
472 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
490 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
473 | SvPV_nolen (sv), SvFLAGS (sv)); |
491 | SvPV_nolen (sv), SvFLAGS (sv)); |