[ViewVC] Diff of: cvs/JSON-XS/XS.xs

Comparing JSON-XS/XS.xs (file contents):
Revision 1.112 by root, Thu Aug 11 17:06:53 2011 UTC vs.
Revision 1.135 by root, Thu Nov 15 20:49:12 2018 UTC

…		…
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
12	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)	13	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)
13	# define snprintf _snprintf // C compilers have this in stdio.h	14	# define snprintf _snprintf // C compilers have this in stdio.h
14	#endif	15	#endif
15		16
16	// some old perls do not have this, try to make it work, no	17	// some old perls do not have this, try to make it work, no
17	// guarantees, though. if it breaks, you get to keep the pieces.	18	// guarantees, though. if it breaks, you get to keep the pieces.
18	#ifndef UTF8_MAXBYTES	19	#ifndef UTF8_MAXBYTES
19	# define UTF8_MAXBYTES 13	20	# define UTF8_MAXBYTES 13
		21	#endif
		22
		23	// compatibility with perl <5.18
		24	#ifndef HvNAMELEN_get
		25	# define HvNAMELEN_get(hv) strlen (HvNAME (hv))
		26	#endif
		27	#ifndef HvNAMELEN
		28	# define HvNAMELEN(hv) HvNAMELEN_get (hv)
		29	#endif
		30	#ifndef HvNAMEUTF8
		31	# define HvNAMEUTF8(hv) 0
20	#endif	32	#endif
21		33
22	// three extra for rounding, sign, and end of string	34	// three extra for rounding, sign, and end of string
23	#define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3)	35	#define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3)
24		36
…		…
33	#define F_SHRINK 0x00000200UL	45	#define F_SHRINK 0x00000200UL
34	#define F_ALLOW_BLESSED 0x00000400UL	46	#define F_ALLOW_BLESSED 0x00000400UL
35	#define F_CONV_BLESSED 0x00000800UL	47	#define F_CONV_BLESSED 0x00000800UL
36	#define F_RELAXED 0x00001000UL	48	#define F_RELAXED 0x00001000UL
37	#define F_ALLOW_UNKNOWN 0x00002000UL	49	#define F_ALLOW_UNKNOWN 0x00002000UL
		50	#define F_ALLOW_TAGS 0x00004000UL
38	#define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing	51	#define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing
39		52
40	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER	53	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER
41		54
42	#define INIT_SIZE 32 // initial scalar size to be allocated	55	#define INIT_SIZE 64 // initial scalar size to be allocated
43	#define INDENT_STEP 3 // spaces per indentation level	56	#define INDENT_STEP 3 // spaces per indentation level
44		57
45	#define SHORT_STRING_LEN 16384 // special-case strings of up to this size	58	#define SHORT_STRING_LEN 16384 // special-case strings of up to this size
46		59
47	#define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8)	60	#define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8)
…		…
65	<= (unsigned type)((unsigned type)(end) - (unsigned type)(beg)))	78	<= (unsigned type)((unsigned type)(end) - (unsigned type)(beg)))
66		79
67	#define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)"	80	#define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)"
68		81
69	#ifdef USE_ITHREADS	82	#ifdef USE_ITHREADS
70	# define JSON_SLOW 1
71	# define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1))	83	# define JSON_STASH (expect_true (json_stash) ? json_stash : gv_stashpv ("JSON::XS", 1))
		84	# define BOOL_STASH (expect_true (bool_stash) ? bool_stash : gv_stashpv ("Types::Serialiser::Boolean", 1))
		85	# define GET_BOOL(value) (expect_true (bool_ ## value) ? bool_ ## value : get_bool ("Types::Serialiser::" # value))
72	#else	86	#else
73	# define JSON_SLOW 0
74	# define JSON_STASH json_stash	87	# define JSON_STASH json_stash
		88	# define BOOL_STASH bool_stash
		89	# define GET_BOOL(value) bool_ ## value
75	#endif	90	#endif
76		91
77	static HV json_stash, json_boolean_stash; // JSON::XS::	92	// the amount of HEs to allocate on the stack, when sorting keys
78	static SV json_true, json_false;	93	#define STACK_HES 64
		94
		95	static HV json_stash, bool_stash; // JSON::XS::, Types::Serialiser::Boolean::
		96	static SV bool_false, bool_true;
		97	static SV *sv_json;
79		98
80	enum {	99	enum {
81	INCR_M_WS = 0, // initial whitespace skipping, must be 0	100	INCR_M_WS = 0, // initial whitespace skipping, must be 0
82	INCR_M_STR, // inside string	101	INCR_M_STR, // inside string
83	INCR_M_BS, // inside backslash	102	INCR_M_BS, // inside backslash
…		…
99	// for the incremental parser	118	// for the incremental parser
100	SV *incr_text; // the source text so far	119	SV *incr_text; // the source text so far
101	STRLEN incr_pos; // the current offset into the text	120	STRLEN incr_pos; // the current offset into the text
102	int incr_nest; // {[]}-nesting level	121	int incr_nest; // {[]}-nesting level
103	unsigned char incr_mode;	122	unsigned char incr_mode;
		123
		124	SV v_false, v_true;
104	} JSON;	125	} JSON;
105		126
106	INLINE void	127	INLINE void
107	json_init (JSON *json)	128	json_init (JSON *json)
108	{	129	{
109	Zero (json, 1, JSON);	130	static const JSON init = { F_ALLOW_NONREF, 512 };
110	json->max_depth = 512;	131
		132	*json = init;
111	}	133	}
112		134
113	/////////////////////////////////////////////////////////////////////////////	135	/////////////////////////////////////////////////////////////////////////////
114	// utility functions	136	// utility functions
115		137
…		…
137	SvPV_renew (sv, SvCUR (sv) + 1);	159	SvPV_renew (sv, SvCUR (sv) + 1);
138	#endif	160	#endif
139	}	161	}
140	}	162	}
141		163
		164	/* adds two STRLENs together, slow, and with paranoia */
		165	STRLEN
		166	strlen_sum (STRLEN l1, STRLEN l2)
		167	{
		168	size_t sum = l1 + l2;
		169
		170	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
		171	croak ("JSON::XS: string size overflow");
		172
		173	return sum;
		174	}
		175
		176	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
		177	static char *
		178	json_sv_grow (SV *sv, size_t len1, size_t len2)
		179	{
		180	len1 = strlen_sum (len1, len2);
		181	len1 = strlen_sum (len1, len1 >> 1);
		182
		183	if (len1 > 4096 - 24)
		184	len1 = (len1 \| 4095) - 24;
		185
		186	return SvGROW (sv, len1);
		187	}
		188
142	// decode an utf-8 character and return it, or (UV)-1 in	189	// decode a utf-8 character and return it, or (UV)-1 in
143	// case of an error.	190	// case of an error.
144	// we special-case "safe" characters from U+80 .. U+7FF,	191	// we special-case "safe" characters from U+80 .. U+7FF,
145	// but use the very good perl function to parse anything else.	192	// but use the very good perl function to parse anything else.
146	// note that we never call this function for a ascii codepoints	193	// note that we never call this function for a ascii codepoints
147	INLINE UV	194	INLINE UV
…		…
284	// a recursion depth of ten gives us >>500 bits	331	// a recursion depth of ten gives us >>500 bits
285	json_atof_scan1 (s, &accum, &expo, 0, 10);	332	json_atof_scan1 (s, &accum, &expo, 0, 10);
286		333
287	return neg ? -accum : accum;	334	return neg ? -accum : accum;
288	}	335	}
		336
		337	// target of scalar reference is bool? -1 == nope, 0 == false, 1 == true
		338	static int
		339	ref_bool_type (SV *sv)
		340	{
		341	svtype svt = SvTYPE (sv);
		342
		343	if (svt < SVt_PVAV)
		344	{
		345	STRLEN len = 0;
		346	char *pv = svt ? SvPV (sv, len) : 0;
		347
		348	if (len == 1)
		349	if (*pv == '1')
		350	return 1;
		351	else if (*pv == '0')
		352	return 0;
		353	}
		354
		355	return -1;
		356	}
		357
		358	// returns whether scalar is not a reference in the sense of allow_nonref
		359	static int
		360	json_nonref (SV *scalar)
		361	{
		362	if (!SvROK (scalar))
		363	return 1;
		364
		365	scalar = SvRV (scalar);
		366
		367	if (SvTYPE (scalar) >= SVt_PVMG)
		368	{
		369	if (SvSTASH (scalar) == bool_stash)
		370	return 1;
		371
		372	if (!SvOBJECT (scalar) && ref_bool_type (scalar) >= 0)
		373	return 1;
		374	}
		375
		376	return 0;
		377	}
		378
289	/////////////////////////////////////////////////////////////////////////////	379	/////////////////////////////////////////////////////////////////////////////
290	// encoder	380	// encoder
291		381
292	// structure used for encoding JSON	382	// structure used for encoding JSON
293	typedef struct	383	typedef struct
…		…
301	} enc_t;	391	} enc_t;
302		392
303	INLINE void	393	INLINE void
304	need (enc_t *enc, STRLEN len)	394	need (enc_t *enc, STRLEN len)
305	{	395	{
306	if (expect_false (enc->cur + len >= enc->end))	396	if (expect_false ((uintptr_t)(enc->end - enc->cur) < len))
307	{	397	{
308	STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);	398	STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);
309	SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);	399	char *buf = json_sv_grow (enc->sv, cur, len);
310	enc->cur = SvPVX (enc->sv) + cur;	400	enc->cur = buf + cur;
311	enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;	401	enc->end = buf + SvLEN (enc->sv) - 1;
312	}	402	}
313	}	403	}
314		404
315	INLINE void	405	INLINE void
316	encode_ch (enc_t *enc, char ch)	406	encode_ch (enc_t *enc, char ch)
…		…
332		422
333	if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case	423	if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case
334	{	424	{
335	if (expect_false (ch == '"')) // but with slow exceptions	425	if (expect_false (ch == '"')) // but with slow exceptions
336	{	426	{
337	need (enc, len += 1);	427	need (enc, len + 1);
338	*enc->cur++ = '\\';	428	*enc->cur++ = '\\';
339	*enc->cur++ = '"';	429	*enc->cur++ = '"';
340	}	430	}
341	else if (expect_false (ch == '\\'))	431	else if (expect_false (ch == '\\'))
342	{	432	{
343	need (enc, len += 1);	433	need (enc, len + 1);
344	*enc->cur++ = '\\';	434	*enc->cur++ = '\\';
345	*enc->cur++ = '\\';	435	*enc->cur++ = '\\';
346	}	436	}
347	else	437	else
348	*enc->cur++ = ch;	438	*enc->cur++ = ch;
…		…
351	}	441	}
352	else	442	else
353	{	443	{
354	switch (ch)	444	switch (ch)
355	{	445	{
356	case '\010': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'b'; ++str; break;	446	case '\010': need (enc, len + 1); enc->cur++ = '\\'; enc->cur++ = 'b'; ++str; break;
357	case '\011': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 't'; ++str; break;	447	case '\011': need (enc, len + 1); enc->cur++ = '\\'; enc->cur++ = 't'; ++str; break;
358	case '\012': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'n'; ++str; break;	448	case '\012': need (enc, len + 1); enc->cur++ = '\\'; enc->cur++ = 'n'; ++str; break;
359	case '\014': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'f'; ++str; break;	449	case '\014': need (enc, len + 1); enc->cur++ = '\\'; enc->cur++ = 'f'; ++str; break;
360	case '\015': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'r'; ++str; break;	450	case '\015': need (enc, len + 1); enc->cur++ = '\\'; enc->cur++ = 'r'; ++str; break;
361		451
362	default:	452	default:
363	{	453	{
364	STRLEN clen;	454	STRLEN clen;
365	UV uch;	455	UV uch;
…		…
381	if (uch >= 0x10000UL)	471	if (uch >= 0x10000UL)
382	{	472	{
383	if (uch >= 0x110000UL)	473	if (uch >= 0x110000UL)
384	croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch);	474	croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch);
385		475
386	need (enc, len += 11);	476	need (enc, len + 11);
387	sprintf (enc->cur, "\\u%04x\\u%04x",	477	sprintf (enc->cur, "\\u%04x\\u%04x",
388	(int)((uch - 0x10000) / 0x400 + 0xD800),	478	(int)((uch - 0x10000) / 0x400 + 0xD800),
389	(int)((uch - 0x10000) % 0x400 + 0xDC00));	479	(int)((uch - 0x10000) % 0x400 + 0xDC00));
390	enc->cur += 12;	480	enc->cur += 12;
391	}	481	}
392	else	482	else
393	{	483	{
394	need (enc, len += 5);	484	need (enc, len + 5);
395	*enc->cur++ = '\\';	485	*enc->cur++ = '\\';
396	*enc->cur++ = 'u';	486	*enc->cur++ = 'u';
397	*enc->cur++ = PL_hexdigit [ uch >> 12 ];	487	*enc->cur++ = PL_hexdigit [ uch >> 12 ];
398	*enc->cur++ = PL_hexdigit [(uch >> 8) & 15];	488	*enc->cur++ = PL_hexdigit [(uch >> 8) & 15];
399	*enc->cur++ = PL_hexdigit [(uch >> 4) & 15];	489	*enc->cur++ = PL_hexdigit [(uch >> 4) & 15];
…		…
407	*enc->cur++ = uch;	497	*enc->cur++ = uch;
408	str += clen;	498	str += clen;
409	}	499	}
410	else if (is_utf8)	500	else if (is_utf8)
411	{	501	{
412	need (enc, len += clen);	502	need (enc, len + clen);
413	do	503	do
414	{	504	{
415	enc->cur++ = str++;	505	enc->cur++ = str++;
416	}	506	}
417	while (--clen);	507	while (--clen);
418	}	508	}
419	else	509	else
420	{	510	{
421	need (enc, len += UTF8_MAXBYTES - 1); // never more than 11 bytes needed	511	need (enc, len + UTF8_MAXBYTES - 1); // never more than 11 bytes needed
422	enc->cur = encode_utf8 (enc->cur, uch);	512	enc->cur = encode_utf8 (enc->cur, uch);
423	++str;	513	++str;
424	}	514	}
425	}	515	}
426	}	516	}
…		…
480		570
481	if (enc->indent >= enc->json.max_depth)	571	if (enc->indent >= enc->json.max_depth)
482	croak (ERR_NESTING_EXCEEDED);	572	croak (ERR_NESTING_EXCEEDED);
483		573
484	encode_ch (enc, '[');	574	encode_ch (enc, '[');
485		575
486	if (len >= 0)	576	if (len >= 0)
487	{	577	{
488	encode_nl (enc); ++enc->indent;	578	encode_nl (enc); ++enc->indent;
489		579
490	for (i = 0; i <= len; ++i)	580	for (i = 0; i <= len; ++i)
…		…
502	encode_comma (enc);	592	encode_comma (enc);
503	}	593	}
504		594
505	encode_nl (enc); --enc->indent; encode_indent (enc);	595	encode_nl (enc); --enc->indent; encode_indent (enc);
506	}	596	}
507		597
508	encode_ch (enc, ']');	598	encode_ch (enc, ']');
509	}	599	}
510		600
511	static void	601	static void
512	encode_hk (enc_t enc, HE he)	602	encode_hk (enc_t enc, HE he)
…		…
516	if (HeKLEN (he) == HEf_SVKEY)	606	if (HeKLEN (he) == HEf_SVKEY)
517	{	607	{
518	SV *sv = HeSVKEY (he);	608	SV *sv = HeSVKEY (he);
519	STRLEN len;	609	STRLEN len;
520	char *str;	610	char *str;
521		611
522	SvGETMAGIC (sv);	612	SvGETMAGIC (sv);
523	str = SvPV (sv, len);	613	str = SvPV (sv, len);
524		614
525	encode_str (enc, str, len, SvUTF8 (sv));	615	encode_str (enc, str, len, SvUTF8 (sv));
526	}	616	}
…		…
592	}	682	}
593		683
594	if (count)	684	if (count)
595	{	685	{
596	int i, fast = 1;	686	int i, fast = 1;
597	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)	687	HE *hes_stack [STACK_HES];
598	HE *hes = _alloca (count sizeof (HE));	688	HE **hes = hes_stack;
599	#else	689
600	HE *hes [count]; // if your compiler dies here, you need to enable C99 mode	690	// allocate larger arrays on the heap
601	#endif	691	if (count > STACK_HES)
		692	{
		693	SV sv = sv_2mortal (NEWSV (0, count sizeof (*hes)));
		694	hes = (HE **)SvPVX (sv);
		695	}
602		696
603	i = 0;	697	i = 0;
604	while ((he = hv_iternext (hv)))	698	while ((he = hv_iternext (hv)))
605	{	699	{
606	hes [i++] = he;	700	hes [i++] = he;
…		…
675	// encode objects, arrays and special \0=false and \1=true values.	769	// encode objects, arrays and special \0=false and \1=true values.
676	static void	770	static void
677	encode_rv (enc_t enc, SV sv)	771	encode_rv (enc_t enc, SV sv)
678	{	772	{
679	svtype svt;	773	svtype svt;
		774	GV *method;
680		775
681	SvGETMAGIC (sv);	776	SvGETMAGIC (sv);
682	svt = SvTYPE (sv);	777	svt = SvTYPE (sv);
683		778
684	if (expect_false (SvOBJECT (sv)))	779	if (expect_false (SvOBJECT (sv)))
685	{	780	{
686	HV *stash = !JSON_SLOW \|\| json_boolean_stash	781	HV *stash = SvSTASH (sv);
687	? json_boolean_stash
688	: gv_stashpv ("JSON::XS::Boolean", 1);
689		782
690	if (SvSTASH (sv) == stash)	783	if (stash == bool_stash)
691	{	784	{
692	if (SvIV (sv))
693	encode_str (enc, "true", 4, 0);	785	if (SvIV (sv)) encode_str (enc, "true" , 4, 0);
694	else
695	encode_str (enc, "false", 5, 0);	786	else encode_str (enc, "false", 5, 0);
696	}	787	}
		788	else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0)))
		789	{
		790	int count;
		791	dSP;
		792
		793	ENTER; SAVETMPS;
		794	PUSHMARK (SP);
		795	EXTEND (SP, 2);
		796	// we re-bless the reference to get overload and other niceties right
		797	PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
		798	PUSHs (sv_json);
		799
		800	PUTBACK;
		801	count = call_sv ((SV *)GvCV (method), G_ARRAY);
		802	SPAGAIN;
		803
		804	// catch this surprisingly common error
		805	if (SvROK (TOPs) && SvRV (TOPs) == sv)
		806	croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
		807
		808	encode_ch (enc, '(');
		809	encode_ch (enc, '"');
		810	encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash));
		811	encode_ch (enc, '"');
		812	encode_ch (enc, ')');
		813	encode_ch (enc, '[');
		814
		815	if (count)
		816	{
		817	int i;
		818
		819	for (i = 0; i < count - 1; ++i)
		820	{
		821	encode_sv (enc, SP[i + 1 - count]);
		822	encode_ch (enc, ',');
		823	}
		824
		825	encode_sv (enc, TOPs);
		826	SP -= count;
		827	}
		828
		829	encode_ch (enc, ']');
		830
		831	FREETMPS; LEAVE;
		832	}
		833	else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0)))
		834	{
		835	dSP;
		836
		837	ENTER; SAVETMPS;
		838	PUSHMARK (SP);
		839	// we re-bless the reference to get overload and other niceties right
		840	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
		841
		842	// calling with G_SCALAR ensures that we always get a 1 return value
		843	PUTBACK;
		844	call_sv ((SV *)GvCV (method), G_SCALAR);
		845	SPAGAIN;
		846
		847	// catch this surprisingly common error
		848	if (SvROK (TOPs) && SvRV (TOPs) == sv)
		849	croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
		850
		851	sv = POPs;
		852	PUTBACK;
		853
		854	encode_sv (enc, sv);
		855
		856	FREETMPS; LEAVE;
		857	}
		858	else if (enc->json.flags & F_ALLOW_BLESSED)
		859	encode_str (enc, "null", 4, 0);
697	else	860	else
698	{
699	#if 0
700	if (0 && sv_derived_from (rv, "JSON::Literal"))
701	{
702	// not yet
703	}
704	#endif
705	if (enc->json.flags & F_CONV_BLESSED)
706	{
707	// we re-bless the reference to get overload and other niceties right
708	GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0);
709
710	if (to_json)
711	{
712	dSP;
713
714	ENTER; SAVETMPS; PUSHMARK (SP);
715	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv)));
716
717	// calling with G_SCALAR ensures that we always get a 1 return value
718	PUTBACK;
719	call_sv ((SV *)GvCV (to_json), G_SCALAR);
720	SPAGAIN;
721
722	// catch this surprisingly common error
723	if (SvROK (TOPs) && SvRV (TOPs) == sv)
724	croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
725
726	sv = POPs;
727	PUTBACK;
728
729	encode_sv (enc, sv);
730
731	FREETMPS; LEAVE;
732	}
733	else if (enc->json.flags & F_ALLOW_BLESSED)
734	encode_str (enc, "null", 4, 0);
735	else
736	croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it",
737	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
738	}
739	else if (enc->json.flags & F_ALLOW_BLESSED)
740	encode_str (enc, "null", 4, 0);
741	else
742	croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled",	861	croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)",
743	SvPV_nolen (sv_2mortal (newRV_inc (sv))));	862	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
744	}
745	}	863	}
746	else if (svt == SVt_PVHV)	864	else if (svt == SVt_PVHV)
747	encode_hv (enc, (HV *)sv);	865	encode_hv (enc, (HV *)sv);
748	else if (svt == SVt_PVAV)	866	else if (svt == SVt_PVAV)
749	encode_av (enc, (AV *)sv);	867	encode_av (enc, (AV *)sv);
750	else if (svt < SVt_PVAV)	868	else if (svt < SVt_PVAV)
751	{	869	{
752	STRLEN len = 0;	870	int bool_type = ref_bool_type (sv);
753	char *pv = svt ? SvPV (sv, len) : 0;
754		871
755	if (len == 1 && *pv == '1')	872	if (bool_type == 1)
756	encode_str (enc, "true", 4, 0);	873	encode_str (enc, "true", 4, 0);
757	else if (len == 1 && *pv == '0')	874	else if (bool_type == 0)
758	encode_str (enc, "false", 5, 0);	875	encode_str (enc, "false", 5, 0);
759	else if (enc->json.flags & F_ALLOW_UNKNOWN)	876	else if (enc->json.flags & F_ALLOW_UNKNOWN)
760	encode_str (enc, "null", 4, 0);	877	encode_str (enc, "null", 4, 0);
761	else	878	else
762	croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1",	879	croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1",
…		…
825	}	942	}
826	else	943	else
827	{	944	{
828	// large integer, use the (rather slow) snprintf way.	945	// large integer, use the (rather slow) snprintf way.
829	need (enc, IVUV_MAXCHARS);	946	need (enc, IVUV_MAXCHARS);
830	enc->cur +=	947	enc->cur +=
831	SvIsUV(sv)	948	SvIsUV(sv)
832	? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv))	949	? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv))
833	: snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv));	950	: snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv));
834	}	951	}
835	}	952	}
836	else if (SvROK (sv))	953	else if (SvROK (sv))
837	encode_rv (enc, SvRV (sv));	954	encode_rv (enc, SvRV (sv));
838	else if (!SvOK (sv) \|\| enc->json.flags & F_ALLOW_UNKNOWN)	955	else if (!SvOK (sv) \|\| enc->json.flags & F_ALLOW_UNKNOWN)
839	encode_str (enc, "null", 4, 0);	956	encode_str (enc, "null", 4, 0);
840	else	957	else
841	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",	958	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data",
842	SvPV_nolen (sv), SvFLAGS (sv));	959	SvPV_nolen (sv), (unsigned int)SvFLAGS (sv));
843	}	960	}
844		961
845	static SV *	962	static SV *
846	encode_json (SV scalar, JSON json)	963	encode_json (SV scalar, JSON json)
847	{	964	{
848	enc_t enc;	965	enc_t enc;
849		966
850	if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar))	967	if (!(json->flags & F_ALLOW_NONREF) && json_nonref (scalar))
851	croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");	968	croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");
852		969
853	enc.json = *json;	970	enc.json = *json;
854	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));	971	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
855	enc.cur = SvPVX (enc.sv);	972	enc.cur = SvPVX (enc.sv);
…		…
1062	cur++ = dec_cur++;	1179	cur++ = dec_cur++;
1063	while (--clen);	1180	while (--clen);
1064		1181
1065	utf8 = 1;	1182	utf8 = 1;
1066	}	1183	}
		1184	else if (ch == '\t' && dec->json.flags & F_RELAXED)
		1185	*cur++ = ch;
1067	else	1186	else
1068	{	1187	{
1069	--dec_cur;	1188	--dec_cur;
1070		1189
1071	if (!ch)	1190	if (!ch)
…		…
1081		1200
1082	if (sv)	1201	if (sv)
1083	{	1202	{
1084	STRLEN cur = SvCUR (sv);	1203	STRLEN cur = SvCUR (sv);
1085		1204
1086	if (SvLEN (sv) <= cur + len)	1205	if (SvLEN (sv) - cur <= len)
1087	SvGROW (sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);	1206	json_sv_grow (sv, cur, len);
1088		1207
1089	memcpy (SvPVX (sv) + SvCUR (sv), buf, len);	1208	memcpy (SvPVX (sv) + SvCUR (sv), buf, len);
1090	SvCUR_set (sv, SvCUR (sv) + len);	1209	SvCUR_set (sv, SvCUR (sv) + len);
1091	}	1210	}
1092	else	1211	else
…		…
1259	if (*dec->cur == ']')	1378	if (*dec->cur == ']')
1260	{	1379	{
1261	++dec->cur;	1380	++dec->cur;
1262	break;	1381	break;
1263	}	1382	}
1264		1383
1265	if (*dec->cur != ',')	1384	if (*dec->cur != ',')
1266	ERR (", or ] expected while parsing array");	1385	ERR (", or ] expected while parsing array");
1267		1386
1268	++dec->cur;	1387	++dec->cur;
1269		1388
…		…
1393		1512
1394	hv_iterinit (hv);	1513	hv_iterinit (hv);
1395	he = hv_iternext (hv);	1514	he = hv_iternext (hv);
1396	hv_iterinit (hv);	1515	hv_iterinit (hv);
1397		1516
1398	// the next line creates a mortal sv each time its called.	1517	// the next line creates a mortal sv each time it's called.
1399	// might want to optimise this for common cases.	1518	// might want to optimise this for common cases.
1400	cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0);	1519	cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0);
1401		1520
1402	if (cb)	1521	if (cb)
1403	{	1522	{
1404	dSP;	1523	dSP;
1405	int count;	1524	int count;
1406		1525
1407	ENTER; SAVETMPS; PUSHMARK (SP);	1526	ENTER; SAVETMPS;
		1527	PUSHMARK (SP);
1408	XPUSHs (HeVAL (he));	1528	XPUSHs (HeVAL (he));
1409	sv_2mortal (sv);	1529	sv_2mortal (sv);
1410		1530
1411	PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN;	1531	PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN;
1412		1532
…		…
1414	{	1534	{
1415	sv = newSVsv (POPs);	1535	sv = newSVsv (POPs);
1416	FREETMPS; LEAVE;	1536	FREETMPS; LEAVE;
1417	return sv;	1537	return sv;
1418	}	1538	}
		1539	else if (count)
		1540	croak ("filter_json_single_key_object callbacks must not return more than one scalar");
1419		1541
1420	SvREFCNT_inc (sv);	1542	SvREFCNT_inc (sv);
1421	FREETMPS; LEAVE;	1543	FREETMPS; LEAVE;
1422	}	1544	}
1423	}	1545	}
…		…
1425	if (dec->json.cb_object)	1547	if (dec->json.cb_object)
1426	{	1548	{
1427	dSP;	1549	dSP;
1428	int count;	1550	int count;
1429		1551
1430	ENTER; SAVETMPS; PUSHMARK (SP);	1552	ENTER; SAVETMPS;
		1553	PUSHMARK (SP);
1431	XPUSHs (sv_2mortal (sv));	1554	XPUSHs (sv_2mortal (sv));
1432		1555
1433	PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN;	1556	PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN;
1434		1557
1435	if (count == 1)	1558	if (count == 1)
1436	{	1559	{
1437	sv = newSVsv (POPs);	1560	sv = newSVsv (POPs);
1438	FREETMPS; LEAVE;	1561	FREETMPS; LEAVE;
1439	return sv;	1562	return sv;
1440	}	1563	}
		1564	else if (count)
		1565	croak ("filter_json_object callbacks must not return more than one scalar");
1441		1566
1442	SvREFCNT_inc (sv);	1567	SvREFCNT_inc (sv);
1443	FREETMPS; LEAVE;	1568	FREETMPS; LEAVE;
1444	}	1569	}
1445	}	1570	}
…		…
1451	DEC_DEC_DEPTH;	1576	DEC_DEC_DEPTH;
1452	return 0;	1577	return 0;
1453	}	1578	}
1454		1579
1455	static SV *	1580	static SV *
		1581	decode_tag (dec_t *dec)
		1582	{
		1583	SV *tag = 0;
		1584	SV *val = 0;
		1585
		1586	if (!(dec->json.flags & F_ALLOW_TAGS))
		1587	ERR ("malformed JSON string, neither array, object, number, string or atom");
		1588
		1589	++dec->cur;
		1590
		1591	decode_ws (dec);
		1592
		1593	tag = decode_sv (dec);
		1594	if (!tag)
		1595	goto fail;
		1596
		1597	if (!SvPOK (tag))
		1598	ERR ("malformed JSON string, (tag) must be a string");
		1599
		1600	decode_ws (dec);
		1601
		1602	if (*dec->cur != ')')
		1603	ERR (") expected after tag");
		1604
		1605	++dec->cur;
		1606
		1607	decode_ws (dec);
		1608
		1609	val = decode_sv (dec);
		1610	if (!val)
		1611	goto fail;
		1612
		1613	if (!SvROK (val) \|\| SvTYPE (SvRV (val)) != SVt_PVAV)
		1614	ERR ("malformed JSON string, tag value must be an array");
		1615
		1616	{
		1617	AV av = (AV )SvRV (val);
		1618	int i, len = av_len (av) + 1;
		1619	HV *stash = gv_stashsv (tag, 0);
		1620	SV *sv;
		1621
		1622	if (!stash)
		1623	ERR ("cannot decode perl-object (package does not exist)");
		1624
		1625	GV *method = gv_fetchmethod_autoload (stash, "THAW", 0);
		1626
		1627	if (!method)
		1628	ERR ("cannot decode perl-object (package does not have a THAW method)");
		1629
		1630	dSP;
		1631
		1632	ENTER; SAVETMPS;
		1633	PUSHMARK (SP);
		1634	EXTEND (SP, len + 2);
		1635	// we re-bless the reference to get overload and other niceties right
		1636	PUSHs (tag);
		1637	PUSHs (sv_json);
		1638
		1639	for (i = 0; i < len; ++i)
		1640	PUSHs (*av_fetch (av, i, 1));
		1641
		1642	PUTBACK;
		1643	call_sv ((SV *)GvCV (method), G_SCALAR);
		1644	SPAGAIN;
		1645
		1646	SvREFCNT_dec (tag);
		1647	SvREFCNT_dec (val);
		1648	sv = SvREFCNT_inc (POPs);
		1649
		1650	PUTBACK;
		1651
		1652	FREETMPS; LEAVE;
		1653
		1654	return sv;
		1655	}
		1656
		1657	fail:
		1658	SvREFCNT_dec (tag);
		1659	SvREFCNT_dec (val);
		1660	return 0;
		1661	}
		1662
		1663	static SV *
1456	decode_sv (dec_t *dec)	1664	decode_sv (dec_t *dec)
1457	{	1665	{
1458	// the beauty of JSON: you need exactly one character lookahead	1666	// the beauty of JSON: you need exactly one character lookahead
1459	// to parse everything.	1667	// to parse everything.
1460	switch (*dec->cur)	1668	switch (*dec->cur)
1461	{	1669	{
1462	case '"': ++dec->cur; return decode_str (dec);	1670	case '"': ++dec->cur; return decode_str (dec);
1463	case '[': ++dec->cur; return decode_av (dec);	1671	case '[': ++dec->cur; return decode_av (dec);
1464	case '{': ++dec->cur; return decode_hv (dec);	1672	case '{': ++dec->cur; return decode_hv (dec);
		1673	case '(': return decode_tag (dec);
1465		1674
1466	case '-':	1675	case '-':
1467	case '0': case '1': case '2': case '3': case '4':	1676	case '0': case '1': case '2': case '3': case '4':
1468	case '5': case '6': case '7': case '8': case '9':	1677	case '5': case '6': case '7': case '8': case '9':
1469	return decode_num (dec);	1678	return decode_num (dec);
1470		1679
		1680	case 'f':
		1681	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))
		1682	{
		1683	dec->cur += 5;
		1684
		1685	if (expect_false (!dec->json.v_false))
		1686	dec->json.v_false = GET_BOOL (false);
		1687
		1688	return newSVsv (dec->json.v_false);
		1689	}
		1690	else
		1691	ERR ("'false' expected");
		1692
		1693	break;
		1694
1471	case 't':	1695	case 't':
1472	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))	1696	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))
1473	{	1697	{
1474	dec->cur += 4;	1698	dec->cur += 4;
1475	#if JSON_SLOW	1699
1476	json_true = get_bool ("JSON::XS::true");	1700	if (expect_false (!dec->json.v_true))
1477	#endif	1701	dec->json.v_true = GET_BOOL (true);
		1702
1478	return newSVsv (json_true);	1703	return newSVsv (dec->json.v_true);
1479	}	1704	}
1480	else	1705	else
1481	ERR ("'true' expected");	1706	ERR ("'true' expected");
1482
1483	break;
1484
1485	case 'f':
1486	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))
1487	{
1488	dec->cur += 5;
1489	#if JSON_SLOW
1490	json_false = get_bool ("JSON::XS::false");
1491	#endif
1492	return newSVsv (json_false);
1493	}
1494	else
1495	ERR ("'false' expected");
1496		1707
1497	break;	1708	break;
1498		1709
1499	case 'n':	1710	case 'n':
1500	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4))	1711	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4))
…		…
1506	ERR ("'null' expected");	1717	ERR ("'null' expected");
1507		1718
1508	break;	1719	break;
1509		1720
1510	default:	1721	default:
1511	ERR ("malformed JSON string, neither array, object, number, string or atom");	1722	ERR ("malformed JSON string, neither tag, array, object, number, string or atom");
1512	break;	1723	break;
1513	}	1724	}
1514		1725
1515	fail:	1726	fail:
1516	return 0;	1727	return 0;
1517	}	1728	}
1518		1729
1519	static SV *	1730	static SV *
1520	decode_json (SV string, JSON json, char **offset_return)	1731	decode_json (SV string, JSON json, STRLEN *offset_return)
1521	{	1732	{
1522	dec_t dec;	1733	dec_t dec;
1523	SV *sv;	1734	SV *sv;
1524		1735
1525	/* work around bugs in 5.10 where manipulating magic values	1736	/* work around bugs in 5.10 where manipulating magic values
1526	* will perl ignore the magic in subsequent accesses.	1737	* makes perl ignore the magic in subsequent accesses.
1527	* also make a copy of non-PV values, to get them into a clean	1738	* also make a copy of non-PV values, to get them into a clean
1528	* state (SvPV should do that, but it's buggy, see below).	1739	* state (SvPV should do that, but it's buggy, see below).
		1740	*
		1741	* SvIsCOW_shared_hash works around a bug in perl (possibly 5.16),
		1742	* as reported by Reini Urban.
1529	*/	1743	*/
1530	/SvGETMAGIC (string);/	1744	/SvGETMAGIC (string);/
1531	if (SvMAGICAL (string) \|\| !SvPOK (string))	1745	if (SvMAGICAL (string) \|\| !SvPOK (string) \|\| SvIsCOW_shared_hash (string))
1532	string = sv_2mortal (newSVsv (string));	1746	string = sv_2mortal (newSVsv (string));
1533		1747
1534	SvUPGRADE (string, SVt_PV);	1748	SvUPGRADE (string, SVt_PV);
1535		1749
1536	/* work around a bug in perl 5.10, which causes SvCUR to fail an	1750	/* work around a bug in perl 5.10, which causes SvCUR to fail an
…		…
1575		1789
1576	decode_ws (&dec);	1790	decode_ws (&dec);
1577	sv = decode_sv (&dec);	1791	sv = decode_sv (&dec);
1578		1792
1579	if (offset_return)	1793	if (offset_return)
1580	*offset_return = dec.cur;	1794	*offset_return = dec.cur - SvPVX (string);
1581		1795	else if (sv)
1582	if (!(offset_return \|\| !sv))
1583	{	1796	{
1584	// check for trailing garbage	1797	// check for trailing garbage
1585	decode_ws (&dec);	1798	decode_ws (&dec);
1586		1799
1587	if (*dec.cur)	1800	if (dec.cur != dec.end)
1588	{	1801	{
1589	dec.err = "garbage after JSON object";	1802	dec.err = "garbage after JSON object";
1590	SvREFCNT_dec (sv);	1803	SvREFCNT_dec (sv);
1591	sv = 0;	1804	sv = 0;
1592	}	1805	}
…		…
1605	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);	1818	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);
1606	LEAVE;	1819	LEAVE;
1607		1820
1608	croak ("%s, at character offset %d (before \"%s\")",	1821	croak ("%s, at character offset %d (before \"%s\")",
1609	dec.err,	1822	dec.err,
1610	ptr_to_index (string, dec.cur),	1823	(int)ptr_to_index (string, dec.cur),
1611	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");	1824	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
1612	}	1825	}
1613		1826
1614	sv = sv_2mortal (sv);	1827	sv = sv_2mortal (sv);
1615		1828
1616	if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv))	1829	if (!(dec.json.flags & F_ALLOW_NONREF) && json_nonref (sv))
1617	croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");	1830	croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");
1618		1831
1619	return sv;	1832	return sv;
1620	}	1833	}
1621		1834
…		…
1743	self->incr_mode = INCR_M_STR;	1956	self->incr_mode = INCR_M_STR;
1744	goto incr_m_str;	1957	goto incr_m_str;
1745		1958
1746	case '[':	1959	case '[':
1747	case '{':	1960	case '{':
		1961	case '(':
1748	if (++self->incr_nest > self->max_depth)	1962	if (++self->incr_nest > self->max_depth)
1749	croak (ERR_NESTING_EXCEEDED);	1963	croak (ERR_NESTING_EXCEEDED);
1750	break;	1964	break;
1751		1965
1752	case ']':	1966	case ']':
1753	case '}':	1967	case '}':
1754	if (--self->incr_nest <= 0)	1968	if (--self->incr_nest <= 0)
1755	goto interrupt;	1969	goto interrupt;
		1970	break;
		1971
		1972	case ')':
		1973	--self->incr_nest;
1756	break;	1974	break;
1757		1975
1758	case '#':	1976	case '#':
1759	self->incr_mode = INCR_M_C1;	1977	self->incr_mode = INCR_M_C1;
1760	goto incr_m_c;	1978	goto incr_m_c;
…		…
1786	i >= '0' && i <= '9' ? i - '0'	2004	i >= '0' && i <= '9' ? i - '0'
1787	: i >= 'a' && i <= 'f' ? i - 'a' + 10	2005	: i >= 'a' && i <= 'f' ? i - 'a' + 10
1788	: i >= 'A' && i <= 'F' ? i - 'A' + 10	2006	: i >= 'A' && i <= 'F' ? i - 'A' + 10
1789	: -1;	2007	: -1;
1790		2008
1791	json_stash = gv_stashpv ("JSON::XS" , 1);	2009	json_stash = gv_stashpv ("JSON::XS" , 1);
1792	json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1);	2010	bool_stash = gv_stashpv ("Types::Serialiser::Boolean", 1);
1793
1794	json_true = get_bool ("JSON::XS::true");
1795	json_false = get_bool ("JSON::XS::false");	2011	bool_false = get_bool ("Types::Serialiser::false");
		2012	bool_true = get_bool ("Types::Serialiser::true");
		2013
		2014	sv_json = newSVpv ("JSON", 0);
		2015	SvREADONLY_on (sv_json);
1796		2016
1797	CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */	2017	CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */
1798	}	2018	}
1799		2019
1800	PROTOTYPES: DISABLE	2020	PROTOTYPES: DISABLE
1801		2021
1802	void CLONE (...)	2022	void CLONE (...)
1803	CODE:	2023	CODE:
		2024	// as long as these writes are atomic, the race should not matter
		2025	// as existing threads either already use 0, or use the old value,
		2026	// which is sitll correct for the initial thread.
1804	json_stash = 0;	2027	json_stash = 0;
1805	json_boolean_stash = 0;	2028	bool_stash = 0;
		2029	bool_false = 0;
		2030	bool_true = 0;
1806		2031
1807	void new (char *klass)	2032	void new (char *klass)
1808	PPCODE:	2033	PPCODE:
1809	{	2034	{
1810	SV *pv = NEWSV (0, sizeof (JSON));	2035	SV *pv = NEWSV (0, sizeof (JSON));
1811	SvPOK_only (pv);	2036	SvPOK_only (pv);
1812	json_init ((JSON *)SvPVX (pv));	2037	json_init ((JSON *)SvPVX (pv));
1813	XPUSHs (sv_2mortal (sv_bless (	2038	XPUSHs (sv_2mortal (sv_bless (
1814	newRV_noinc (pv),	2039	newRV_noinc (pv),
1815	strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1)	2040	strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1)
1816	)));	2041	)));
1817	}	2042	}
		2043
		2044	void boolean_values (JSON self, SV v_false = 0, SV *v_true = 0)
		2045	PPCODE:
		2046	self->v_false = newSVsv (v_false);
		2047	self->v_true = newSVsv (v_true);
		2048	XPUSHs (ST (0));
		2049
		2050	void get_boolean_values (JSON *self)
		2051	PPCODE:
		2052	if (self->v_false && self->v_true)
		2053	{
		2054	EXTEND (SP, 2);
		2055	PUSHs (self->v_false);
		2056	PUSHs (self->v_true);
		2057	}
1818		2058
1819	void ascii (JSON *self, int enable = 1)	2059	void ascii (JSON *self, int enable = 1)
1820	ALIAS:	2060	ALIAS:
1821	ascii = F_ASCII	2061	ascii = F_ASCII
1822	latin1 = F_LATIN1	2062	latin1 = F_LATIN1
…		…
1830	shrink = F_SHRINK	2070	shrink = F_SHRINK
1831	allow_blessed = F_ALLOW_BLESSED	2071	allow_blessed = F_ALLOW_BLESSED
1832	convert_blessed = F_CONV_BLESSED	2072	convert_blessed = F_CONV_BLESSED
1833	relaxed = F_RELAXED	2073	relaxed = F_RELAXED
1834	allow_unknown = F_ALLOW_UNKNOWN	2074	allow_unknown = F_ALLOW_UNKNOWN
		2075	allow_tags = F_ALLOW_TAGS
1835	PPCODE:	2076	PPCODE:
1836	{	2077	{
1837	if (enable)	2078	if (enable)
1838	self->flags \|= ix;	2079	self->flags \|= ix;
1839	else	2080	else
…		…
1855	get_shrink = F_SHRINK	2096	get_shrink = F_SHRINK
1856	get_allow_blessed = F_ALLOW_BLESSED	2097	get_allow_blessed = F_ALLOW_BLESSED
1857	get_convert_blessed = F_CONV_BLESSED	2098	get_convert_blessed = F_CONV_BLESSED
1858	get_relaxed = F_RELAXED	2099	get_relaxed = F_RELAXED
1859	get_allow_unknown = F_ALLOW_UNKNOWN	2100	get_allow_unknown = F_ALLOW_UNKNOWN
		2101	get_allow_tags = F_ALLOW_TAGS
1860	PPCODE:	2102	PPCODE:
1861	XPUSHs (boolSV (self->flags & ix));	2103	XPUSHs (boolSV (self->flags & ix));
1862		2104
1863	void max_depth (JSON *self, U32 max_depth = 0x80000000UL)	2105	void max_depth (JSON *self, U32 max_depth = 0x80000000UL)
1864	PPCODE:	2106	PPCODE:
…		…
1892	}	2134	}
1893		2135
1894	void filter_json_single_key_object (JSON self, SV key, SV *cb = &PL_sv_undef)	2136	void filter_json_single_key_object (JSON self, SV key, SV *cb = &PL_sv_undef)
1895	PPCODE:	2137	PPCODE:
1896	{	2138	{
1897	if (!self->cb_sk_object)	2139	if (!self->cb_sk_object)
1898	self->cb_sk_object = newHV ();	2140	self->cb_sk_object = newHV ();
1899		2141
1900	if (SvOK (cb))	2142	if (SvOK (cb))
1901	hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);	2143	hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);
1902	else	2144	else
…		…
1913	XPUSHs (ST (0));	2155	XPUSHs (ST (0));
1914	}	2156	}
1915		2157
1916	void encode (JSON self, SV scalar)	2158	void encode (JSON self, SV scalar)
1917	PPCODE:	2159	PPCODE:
1918	XPUSHs (encode_json (scalar, self));	2160	PUTBACK; scalar = encode_json (scalar, self); SPAGAIN;
		2161	XPUSHs (scalar);
1919		2162
1920	void decode (JSON self, SV jsonstr)	2163	void decode (JSON self, SV jsonstr)
1921	PPCODE:	2164	PPCODE:
1922	XPUSHs (decode_json (jsonstr, self, 0));	2165	PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN;
		2166	XPUSHs (jsonstr);
1923		2167
1924	void decode_prefix (JSON self, SV jsonstr)	2168	void decode_prefix (JSON self, SV jsonstr)
1925	PPCODE:	2169	PPCODE:
1926	{	2170	{
1927	char *offset;	2171	SV *sv;
		2172	STRLEN offset;
		2173	PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN;
1928	EXTEND (SP, 2);	2174	EXTEND (SP, 2);
1929	PUSHs (decode_json (jsonstr, self, &offset));	2175	PUSHs (sv);
1930	PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset))));	2176	PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, SvPV_nolen (jsonstr) + offset))));
1931	}	2177	}
1932		2178
1933	void incr_parse (JSON self, SV jsonstr = 0)	2179	void incr_parse (JSON self, SV jsonstr = 0)
1934	PPCODE:	2180	PPCODE:
1935	{	2181	{
…		…
1969	{	2215	{
1970	STRLEN len;	2216	STRLEN len;
1971	const char *str = SvPV (jsonstr, len);	2217	const char *str = SvPV (jsonstr, len);
1972	STRLEN cur = SvCUR (self->incr_text);	2218	STRLEN cur = SvCUR (self->incr_text);
1973		2219
1974	if (SvLEN (self->incr_text) <= cur + len)	2220	if (SvLEN (self->incr_text) - cur <= len)
1975	SvGROW (self->incr_text, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);	2221	json_sv_grow (self->incr_text, cur, len);
1976		2222
1977	Move (str, SvEND (self->incr_text), len, char);	2223	Move (str, SvEND (self->incr_text), len, char);
1978	SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len);	2224	SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len);
1979	*SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there	2225	*SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there
1980	}	2226	}
1981	}	2227	}
1982		2228
1983	if (GIMME_V != G_VOID)	2229	if (GIMME_V != G_VOID)
1984	do	2230	do
1985	{	2231	{
		2232	SV *sv;
1986	char *offset;	2233	STRLEN offset;
1987		2234
1988	if (!INCR_DONE (self))	2235	if (!INCR_DONE (self))
1989	{	2236	{
1990	incr_parse (self);	2237	incr_parse (self);
1991		2238
…		…
2004		2251
2005	break;	2252	break;
2006	}	2253	}
2007	}	2254	}
2008		2255
2009	XPUSHs (decode_json (self->incr_text, self, &offset));	2256	PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN;
		2257	XPUSHs (sv);
2010		2258
2011	self->incr_pos -= offset - SvPVX (self->incr_text);	2259	self->incr_pos -= offset;
2012	self->incr_nest = 0;	2260	self->incr_nest = 0;
2013	self->incr_mode = 0;	2261	self->incr_mode = 0;
2014		2262
2015	sv_chop (self->incr_text, offset);	2263	sv_chop (self->incr_text, SvPVX (self->incr_text) + offset);
2016	}	2264	}
2017	while (GIMME_V == G_ARRAY);	2265	while (GIMME_V == G_ARRAY);
2018	}	2266	}
2019		2267
2020	SV incr_text (JSON self)	2268	SV incr_text (JSON self)
…		…
2051	self->incr_mode = 0;	2299	self->incr_mode = 0;
2052	}	2300	}
2053		2301
2054	void DESTROY (JSON *self)	2302	void DESTROY (JSON *self)
2055	CODE:	2303	CODE:
		2304	SvREFCNT_dec (self->v_false);
		2305	SvREFCNT_dec (self->v_true);
2056	SvREFCNT_dec (self->cb_sk_object);	2306	SvREFCNT_dec (self->cb_sk_object);
2057	SvREFCNT_dec (self->cb_object);	2307	SvREFCNT_dec (self->cb_object);
2058	SvREFCNT_dec (self->incr_text);	2308	SvREFCNT_dec (self->incr_text);
2059		2309
2060	PROTOTYPES: ENABLE	2310	PROTOTYPES: ENABLE
2061		2311
2062	void encode_json (SV *scalar)	2312	void encode_json (SV *scalar)
2063	ALIAS:
2064	to_json_ = 0
2065	encode_json = F_UTF8
2066	PPCODE:	2313	PPCODE:
2067	{	2314	{
2068	JSON json;	2315	JSON json;
2069	json_init (&json);	2316	json_init (&json);
2070	json.flags \|= ix;	2317	json.flags \|= F_UTF8;
2071	XPUSHs (encode_json (scalar, &json));	2318	PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN;
		2319	XPUSHs (scalar);
2072	}	2320	}
2073		2321
2074	void decode_json (SV *jsonstr)	2322	void decode_json (SV *jsonstr)
2075	ALIAS:
2076	from_json_ = 0
2077	decode_json = F_UTF8
2078	PPCODE:	2323	PPCODE:
2079	{	2324	{
2080	JSON json;	2325	JSON json;
2081	json_init (&json);	2326	json_init (&json);
2082	json.flags \|= ix;	2327	json.flags \|= F_UTF8;
2083	XPUSHs (decode_json (jsonstr, &json, 0));	2328	PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN;
		2329	XPUSHs (jsonstr);
2084	}	2330	}
2085		2331

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Comparing JSON-XS/XS.xs (file contents): Revision 1.112 by root, Thu Aug 11 17:06:53 2011 UTC vs. Revision 1.135 by root, Thu Nov 15 20:49:12 2018 UTC

Diff Legend

Comparing JSON-XS/XS.xs (file contents):
Revision 1.112 by root, Thu Aug 11 17:06:53 2011 UTC vs.
Revision 1.135 by root, Thu Nov 15 20:49:12 2018 UTC