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

Comparing JSON-XS/XS.xs (file contents):
Revision 1.108 by root, Tue Aug 17 23:27:36 2010 UTC vs.
Revision 1.134 by root, Thu Nov 15 20:13:03 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	{
…		…
137	SvPV_renew (sv, SvCUR (sv) + 1);	158	SvPV_renew (sv, SvCUR (sv) + 1);
138	#endif	159	#endif
139	}	160	}
140	}	161	}
141		162
		163	/* adds two STRLENs together, slow, and with paranoia */
		164	STRLEN
		165	strlen_sum (STRLEN l1, STRLEN l2)
		166	{
		167	size_t sum = l1 + l2;
		168
		169	if (sum < (size_t)l2 \|\| sum != (size_t)(STRLEN)sum)
		170	croak ("JSON::XS: string size overflow");
		171
		172	return sum;
		173	}
		174
		175	/* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */
		176	static char *
		177	json_sv_grow (SV *sv, size_t len1, size_t len2)
		178	{
		179	len1 = strlen_sum (len1, len2);
		180	len1 = strlen_sum (len1, len1 >> 1);
		181
		182	if (len1 > 4096 - 24)
		183	len1 = (len1 \| 4095) - 24;
		184
		185	return SvGROW (sv, len1);
		186	}
		187
142	// decode an utf-8 character and return it, or (UV)-1 in	188	// decode a utf-8 character and return it, or (UV)-1 in
143	// case of an error.	189	// case of an error.
144	// we special-case "safe" characters from U+80 .. U+7FF,	190	// we special-case "safe" characters from U+80 .. U+7FF,
145	// but use the very good perl function to parse anything else.	191	// but use the very good perl function to parse anything else.
146	// note that we never call this function for a ascii codepoints	192	// note that we never call this function for a ascii codepoints
147	INLINE UV	193	INLINE UV
…		…
260	}	306	}
261		307
262	// this relies greatly on the quality of the pow ()	308	// this relies greatly on the quality of the pow ()
263	// implementation of the platform, but a good	309	// implementation of the platform, but a good
264	// implementation is hard to beat.	310	// implementation is hard to beat.
		311	// (IEEE 754 conformant ones are required to be exact)
265	if (postdp) *expo -= eaccum;	312	if (postdp) *expo -= eaccum;
266	accum += uaccum Perl_pow (10., *expo);	313	accum += uaccum Perl_pow (10., *expo);
267	*expo += eaccum;	314	*expo += eaccum;
268	}	315	}
269		316
…		…
283	// a recursion depth of ten gives us >>500 bits	330	// a recursion depth of ten gives us >>500 bits
284	json_atof_scan1 (s, &accum, &expo, 0, 10);	331	json_atof_scan1 (s, &accum, &expo, 0, 10);
285		332
286	return neg ? -accum : accum;	333	return neg ? -accum : accum;
287	}	334	}
		335
		336	// target of scalar reference is bool? -1 == nope, 0 == false, 1 == true
		337	static int
		338	ref_bool_type (SV *sv)
		339	{
		340	svtype svt = SvTYPE (sv);
		341
		342	if (svt < SVt_PVAV)
		343	{
		344	STRLEN len = 0;
		345	char *pv = svt ? SvPV (sv, len) : 0;
		346
		347	if (len == 1)
		348	if (*pv == '1')
		349	return 1;
		350	else if (*pv == '0')
		351	return 0;
		352	}
		353
		354	return -1;
		355	}
		356
		357	// returns whether scalar is not a reference in the sense of allow_nonref
		358	static int
		359	json_nonref (SV *scalar)
		360	{
		361	if (!SvROK (scalar))
		362	return 1;
		363
		364	scalar = SvRV (scalar);
		365
		366	if (SvTYPE (scalar) >= SVt_PVMG)
		367	{
		368	if (SvSTASH (scalar) == bool_stash)
		369	return 1;
		370
		371	if (!SvOBJECT (scalar) && ref_bool_type (scalar) >= 0)
		372	return 1;
		373	}
		374
		375	return 0;
		376	}
		377
288	/////////////////////////////////////////////////////////////////////////////	378	/////////////////////////////////////////////////////////////////////////////
289	// encoder	379	// encoder
290		380
291	// structure used for encoding JSON	381	// structure used for encoding JSON
292	typedef struct	382	typedef struct
…		…
300	} enc_t;	390	} enc_t;
301		391
302	INLINE void	392	INLINE void
303	need (enc_t *enc, STRLEN len)	393	need (enc_t *enc, STRLEN len)
304	{	394	{
305	if (expect_false (enc->cur + len >= enc->end))	395	if (expect_false ((uintptr_t)(enc->end - enc->cur) < len))
306	{	396	{
307	STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);	397	STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);
308	SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);	398	char *buf = json_sv_grow (enc->sv, cur, len);
309	enc->cur = SvPVX (enc->sv) + cur;	399	enc->cur = buf + cur;
310	enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;	400	enc->end = buf + SvLEN (enc->sv) - 1;
311	}	401	}
312	}	402	}
313		403
314	INLINE void	404	INLINE void
315	encode_ch (enc_t *enc, char ch)	405	encode_ch (enc_t *enc, char ch)
…		…
331		421
332	if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case	422	if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case
333	{	423	{
334	if (expect_false (ch == '"')) // but with slow exceptions	424	if (expect_false (ch == '"')) // but with slow exceptions
335	{	425	{
336	need (enc, len += 1);	426	need (enc, len + 1);
337	*enc->cur++ = '\\';	427	*enc->cur++ = '\\';
338	*enc->cur++ = '"';	428	*enc->cur++ = '"';
339	}	429	}
340	else if (expect_false (ch == '\\'))	430	else if (expect_false (ch == '\\'))
341	{	431	{
342	need (enc, len += 1);	432	need (enc, len + 1);
343	*enc->cur++ = '\\';	433	*enc->cur++ = '\\';
344	*enc->cur++ = '\\';	434	*enc->cur++ = '\\';
345	}	435	}
346	else	436	else
347	*enc->cur++ = ch;	437	*enc->cur++ = ch;
…		…
350	}	440	}
351	else	441	else
352	{	442	{
353	switch (ch)	443	switch (ch)
354	{	444	{
355	case '\010': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'b'; ++str; break;	445	case '\010': need (enc, len + 1); enc->cur++ = '\\'; enc->cur++ = 'b'; ++str; break;
356	case '\011': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 't'; ++str; break;	446	case '\011': need (enc, len + 1); enc->cur++ = '\\'; enc->cur++ = 't'; ++str; break;
357	case '\012': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'n'; ++str; break;	447	case '\012': need (enc, len + 1); enc->cur++ = '\\'; enc->cur++ = 'n'; ++str; break;
358	case '\014': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'f'; ++str; break;	448	case '\014': need (enc, len + 1); enc->cur++ = '\\'; enc->cur++ = 'f'; ++str; break;
359	case '\015': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'r'; ++str; break;	449	case '\015': need (enc, len + 1); enc->cur++ = '\\'; enc->cur++ = 'r'; ++str; break;
360		450
361	default:	451	default:
362	{	452	{
363	STRLEN clen;	453	STRLEN clen;
364	UV uch;	454	UV uch;
…		…
380	if (uch >= 0x10000UL)	470	if (uch >= 0x10000UL)
381	{	471	{
382	if (uch >= 0x110000UL)	472	if (uch >= 0x110000UL)
383	croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch);	473	croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch);
384		474
385	need (enc, len += 11);	475	need (enc, len + 11);
386	sprintf (enc->cur, "\\u%04x\\u%04x",	476	sprintf (enc->cur, "\\u%04x\\u%04x",
387	(int)((uch - 0x10000) / 0x400 + 0xD800),	477	(int)((uch - 0x10000) / 0x400 + 0xD800),
388	(int)((uch - 0x10000) % 0x400 + 0xDC00));	478	(int)((uch - 0x10000) % 0x400 + 0xDC00));
389	enc->cur += 12;	479	enc->cur += 12;
390	}	480	}
391	else	481	else
392	{	482	{
393	need (enc, len += 5);	483	need (enc, len + 5);
394	*enc->cur++ = '\\';	484	*enc->cur++ = '\\';
395	*enc->cur++ = 'u';	485	*enc->cur++ = 'u';
396	*enc->cur++ = PL_hexdigit [ uch >> 12 ];	486	*enc->cur++ = PL_hexdigit [ uch >> 12 ];
397	*enc->cur++ = PL_hexdigit [(uch >> 8) & 15];	487	*enc->cur++ = PL_hexdigit [(uch >> 8) & 15];
398	*enc->cur++ = PL_hexdigit [(uch >> 4) & 15];	488	*enc->cur++ = PL_hexdigit [(uch >> 4) & 15];
…		…
406	*enc->cur++ = uch;	496	*enc->cur++ = uch;
407	str += clen;	497	str += clen;
408	}	498	}
409	else if (is_utf8)	499	else if (is_utf8)
410	{	500	{
411	need (enc, len += clen);	501	need (enc, len + clen);
412	do	502	do
413	{	503	{
414	enc->cur++ = str++;	504	enc->cur++ = str++;
415	}	505	}
416	while (--clen);	506	while (--clen);
417	}	507	}
418	else	508	else
419	{	509	{
420	need (enc, len += UTF8_MAXBYTES - 1); // never more than 11 bytes needed	510	need (enc, len + UTF8_MAXBYTES - 1); // never more than 11 bytes needed
421	enc->cur = encode_utf8 (enc->cur, uch);	511	enc->cur = encode_utf8 (enc->cur, uch);
422	++str;	512	++str;
423	}	513	}
424	}	514	}
425	}	515	}
…		…
479		569
480	if (enc->indent >= enc->json.max_depth)	570	if (enc->indent >= enc->json.max_depth)
481	croak (ERR_NESTING_EXCEEDED);	571	croak (ERR_NESTING_EXCEEDED);
482		572
483	encode_ch (enc, '[');	573	encode_ch (enc, '[');
484		574
485	if (len >= 0)	575	if (len >= 0)
486	{	576	{
487	encode_nl (enc); ++enc->indent;	577	encode_nl (enc); ++enc->indent;
488		578
489	for (i = 0; i <= len; ++i)	579	for (i = 0; i <= len; ++i)
…		…
501	encode_comma (enc);	591	encode_comma (enc);
502	}	592	}
503		593
504	encode_nl (enc); --enc->indent; encode_indent (enc);	594	encode_nl (enc); --enc->indent; encode_indent (enc);
505	}	595	}
506		596
507	encode_ch (enc, ']');	597	encode_ch (enc, ']');
508	}	598	}
509		599
510	static void	600	static void
511	encode_hk (enc_t enc, HE he)	601	encode_hk (enc_t enc, HE he)
…		…
515	if (HeKLEN (he) == HEf_SVKEY)	605	if (HeKLEN (he) == HEf_SVKEY)
516	{	606	{
517	SV *sv = HeSVKEY (he);	607	SV *sv = HeSVKEY (he);
518	STRLEN len;	608	STRLEN len;
519	char *str;	609	char *str;
520		610
521	SvGETMAGIC (sv);	611	SvGETMAGIC (sv);
522	str = SvPV (sv, len);	612	str = SvPV (sv, len);
523		613
524	encode_str (enc, str, len, SvUTF8 (sv));	614	encode_str (enc, str, len, SvUTF8 (sv));
525	}	615	}
…		…
591	}	681	}
592		682
593	if (count)	683	if (count)
594	{	684	{
595	int i, fast = 1;	685	int i, fast = 1;
596	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)	686	HE *hes_stack [STACK_HES];
597	HE *hes = _alloca (count sizeof (HE));	687	HE **hes = hes_stack;
598	#else	688
599	HE *hes [count]; // if your compiler dies here, you need to enable C99 mode	689	// allocate larger arrays on the heap
600	#endif	690	if (count > STACK_HES)
		691	{
		692	SV sv = sv_2mortal (NEWSV (0, count sizeof (*hes)));
		693	hes = (HE **)SvPVX (sv);
		694	}
601		695
602	i = 0;	696	i = 0;
603	while ((he = hv_iternext (hv)))	697	while ((he = hv_iternext (hv)))
604	{	698	{
605	hes [i++] = he;	699	hes [i++] = he;
…		…
674	// encode objects, arrays and special \0=false and \1=true values.	768	// encode objects, arrays and special \0=false and \1=true values.
675	static void	769	static void
676	encode_rv (enc_t enc, SV sv)	770	encode_rv (enc_t enc, SV sv)
677	{	771	{
678	svtype svt;	772	svtype svt;
		773	GV *method;
679		774
680	SvGETMAGIC (sv);	775	SvGETMAGIC (sv);
681	svt = SvTYPE (sv);	776	svt = SvTYPE (sv);
682		777
683	if (expect_false (SvOBJECT (sv)))	778	if (expect_false (SvOBJECT (sv)))
684	{	779	{
685	HV *stash = !JSON_SLOW \|\| json_boolean_stash	780	HV *stash = SvSTASH (sv);
686	? json_boolean_stash
687	: gv_stashpv ("JSON::XS::Boolean", 1);
688		781
689	if (SvSTASH (sv) == stash)	782	if (stash == bool_stash)
690	{	783	{
691	if (SvIV (sv))
692	encode_str (enc, "true", 4, 0);	784	if (SvIV (sv)) encode_str (enc, "true" , 4, 0);
693	else
694	encode_str (enc, "false", 5, 0);	785	else encode_str (enc, "false", 5, 0);
695	}	786	}
		787	else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0)))
		788	{
		789	int count;
		790	dSP;
		791
		792	ENTER; SAVETMPS;
		793	PUSHMARK (SP);
		794	EXTEND (SP, 2);
		795	// we re-bless the reference to get overload and other niceties right
		796	PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
		797	PUSHs (sv_json);
		798
		799	PUTBACK;
		800	count = call_sv ((SV *)GvCV (method), G_ARRAY);
		801	SPAGAIN;
		802
		803	// catch this surprisingly common error
		804	if (SvROK (TOPs) && SvRV (TOPs) == sv)
		805	croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
		806
		807	encode_ch (enc, '(');
		808	encode_ch (enc, '"');
		809	encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash));
		810	encode_ch (enc, '"');
		811	encode_ch (enc, ')');
		812	encode_ch (enc, '[');
		813
		814	if (count)
		815	{
		816	int i;
		817
		818	for (i = 0; i < count - 1; ++i)
		819	{
		820	encode_sv (enc, SP[i + 1 - count]);
		821	encode_ch (enc, ',');
		822	}
		823
		824	encode_sv (enc, TOPs);
		825	SP -= count;
		826	}
		827
		828	encode_ch (enc, ']');
		829
		830	FREETMPS; LEAVE;
		831	}
		832	else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0)))
		833	{
		834	dSP;
		835
		836	ENTER; SAVETMPS;
		837	PUSHMARK (SP);
		838	// we re-bless the reference to get overload and other niceties right
		839	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
		840
		841	// calling with G_SCALAR ensures that we always get a 1 return value
		842	PUTBACK;
		843	call_sv ((SV *)GvCV (method), G_SCALAR);
		844	SPAGAIN;
		845
		846	// catch this surprisingly common error
		847	if (SvROK (TOPs) && SvRV (TOPs) == sv)
		848	croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
		849
		850	sv = POPs;
		851	PUTBACK;
		852
		853	encode_sv (enc, sv);
		854
		855	FREETMPS; LEAVE;
		856	}
		857	else if (enc->json.flags & F_ALLOW_BLESSED)
		858	encode_str (enc, "null", 4, 0);
696	else	859	else
697	{
698	#if 0
699	if (0 && sv_derived_from (rv, "JSON::Literal"))
700	{
701	// not yet
702	}
703	#endif
704	if (enc->json.flags & F_CONV_BLESSED)
705	{
706	// we re-bless the reference to get overload and other niceties right
707	GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0);
708
709	if (to_json)
710	{
711	dSP;
712
713	ENTER; SAVETMPS; PUSHMARK (SP);
714	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv)));
715
716	// calling with G_SCALAR ensures that we always get a 1 return value
717	PUTBACK;
718	call_sv ((SV *)GvCV (to_json), G_SCALAR);
719	SPAGAIN;
720
721	// catch this surprisingly common error
722	if (SvROK (TOPs) && SvRV (TOPs) == sv)
723	croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
724
725	sv = POPs;
726	PUTBACK;
727
728	encode_sv (enc, sv);
729
730	FREETMPS; LEAVE;
731	}
732	else if (enc->json.flags & F_ALLOW_BLESSED)
733	encode_str (enc, "null", 4, 0);
734	else
735	croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it",
736	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
737	}
738	else if (enc->json.flags & F_ALLOW_BLESSED)
739	encode_str (enc, "null", 4, 0);
740	else
741	croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled",	860	croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)",
742	SvPV_nolen (sv_2mortal (newRV_inc (sv))));	861	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
743	}
744	}	862	}
745	else if (svt == SVt_PVHV)	863	else if (svt == SVt_PVHV)
746	encode_hv (enc, (HV *)sv);	864	encode_hv (enc, (HV *)sv);
747	else if (svt == SVt_PVAV)	865	else if (svt == SVt_PVAV)
748	encode_av (enc, (AV *)sv);	866	encode_av (enc, (AV *)sv);
749	else if (svt < SVt_PVAV)	867	else if (svt < SVt_PVAV)
750	{	868	{
751	STRLEN len = 0;	869	int bool_type = ref_bool_type (sv);
752	char *pv = svt ? SvPV (sv, len) : 0;
753		870
754	if (len == 1 && *pv == '1')	871	if (bool_type == 1)
755	encode_str (enc, "true", 4, 0);	872	encode_str (enc, "true", 4, 0);
756	else if (len == 1 && *pv == '0')	873	else if (bool_type == 0)
757	encode_str (enc, "false", 5, 0);	874	encode_str (enc, "false", 5, 0);
758	else if (enc->json.flags & F_ALLOW_UNKNOWN)	875	else if (enc->json.flags & F_ALLOW_UNKNOWN)
759	encode_str (enc, "null", 4, 0);	876	encode_str (enc, "null", 4, 0);
760	else	877	else
761	croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1",	878	croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1",
…		…
824	}	941	}
825	else	942	else
826	{	943	{
827	// large integer, use the (rather slow) snprintf way.	944	// large integer, use the (rather slow) snprintf way.
828	need (enc, IVUV_MAXCHARS);	945	need (enc, IVUV_MAXCHARS);
829	enc->cur +=	946	enc->cur +=
830	SvIsUV(sv)	947	SvIsUV(sv)
831	? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv))	948	? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv))
832	: snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv));	949	: snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv));
833	}	950	}
834	}	951	}
835	else if (SvROK (sv))	952	else if (SvROK (sv))
836	encode_rv (enc, SvRV (sv));	953	encode_rv (enc, SvRV (sv));
837	else if (!SvOK (sv) \|\| enc->json.flags & F_ALLOW_UNKNOWN)	954	else if (!SvOK (sv) \|\| enc->json.flags & F_ALLOW_UNKNOWN)
838	encode_str (enc, "null", 4, 0);	955	encode_str (enc, "null", 4, 0);
839	else	956	else
840	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",	957	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data",
841	SvPV_nolen (sv), SvFLAGS (sv));	958	SvPV_nolen (sv), (unsigned int)SvFLAGS (sv));
842	}	959	}
843		960
844	static SV *	961	static SV *
845	encode_json (SV scalar, JSON json)	962	encode_json (SV scalar, JSON json)
846	{	963	{
847	enc_t enc;	964	enc_t enc;
848		965
849	if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar))	966	if (!(json->flags & F_ALLOW_NONREF) && json_nonref (scalar))
850	croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");	967	croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");
851		968
852	enc.json = *json;	969	enc.json = *json;
853	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));	970	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
854	enc.cur = SvPVX (enc.sv);	971	enc.cur = SvPVX (enc.sv);
…		…
1061	cur++ = dec_cur++;	1178	cur++ = dec_cur++;
1062	while (--clen);	1179	while (--clen);
1063		1180
1064	utf8 = 1;	1181	utf8 = 1;
1065	}	1182	}
		1183	else if (ch == '\t' && dec->json.flags & F_RELAXED)
		1184	*cur++ = ch;
1066	else	1185	else
1067	{	1186	{
1068	--dec_cur;	1187	--dec_cur;
1069		1188
1070	if (!ch)	1189	if (!ch)
…		…
1080		1199
1081	if (sv)	1200	if (sv)
1082	{	1201	{
1083	STRLEN cur = SvCUR (sv);	1202	STRLEN cur = SvCUR (sv);
1084		1203
1085	if (SvLEN (sv) <= cur + len)	1204	if (SvLEN (sv) - cur <= len)
1086	SvGROW (sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);	1205	json_sv_grow (sv, cur, len);
1087		1206
1088	memcpy (SvPVX (sv) + SvCUR (sv), buf, len);	1207	memcpy (SvPVX (sv) + SvCUR (sv), buf, len);
1089	SvCUR_set (sv, SvCUR (sv) + len);	1208	SvCUR_set (sv, SvCUR (sv) + len);
1090	}	1209	}
1091	else	1210	else
…		…
1258	if (*dec->cur == ']')	1377	if (*dec->cur == ']')
1259	{	1378	{
1260	++dec->cur;	1379	++dec->cur;
1261	break;	1380	break;
1262	}	1381	}
1263		1382
1264	if (*dec->cur != ',')	1383	if (*dec->cur != ',')
1265	ERR (", or ] expected while parsing array");	1384	ERR (", or ] expected while parsing array");
1266		1385
1267	++dec->cur;	1386	++dec->cur;
1268		1387
…		…
1392		1511
1393	hv_iterinit (hv);	1512	hv_iterinit (hv);
1394	he = hv_iternext (hv);	1513	he = hv_iternext (hv);
1395	hv_iterinit (hv);	1514	hv_iterinit (hv);
1396		1515
1397	// the next line creates a mortal sv each time its called.	1516	// the next line creates a mortal sv each time it's called.
1398	// might want to optimise this for common cases.	1517	// might want to optimise this for common cases.
1399	cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0);	1518	cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0);
1400		1519
1401	if (cb)	1520	if (cb)
1402	{	1521	{
1403	dSP;	1522	dSP;
1404	int count;	1523	int count;
1405		1524
1406	ENTER; SAVETMPS; PUSHMARK (SP);	1525	ENTER; SAVETMPS;
		1526	PUSHMARK (SP);
1407	XPUSHs (HeVAL (he));	1527	XPUSHs (HeVAL (he));
1408	sv_2mortal (sv);	1528	sv_2mortal (sv);
1409		1529
1410	PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN;	1530	PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN;
1411		1531
…		…
1413	{	1533	{
1414	sv = newSVsv (POPs);	1534	sv = newSVsv (POPs);
1415	FREETMPS; LEAVE;	1535	FREETMPS; LEAVE;
1416	return sv;	1536	return sv;
1417	}	1537	}
		1538	else if (count)
		1539	croak ("filter_json_single_key_object callbacks must not return more than one scalar");
1418		1540
1419	SvREFCNT_inc (sv);	1541	SvREFCNT_inc (sv);
1420	FREETMPS; LEAVE;	1542	FREETMPS; LEAVE;
1421	}	1543	}
1422	}	1544	}
…		…
1424	if (dec->json.cb_object)	1546	if (dec->json.cb_object)
1425	{	1547	{
1426	dSP;	1548	dSP;
1427	int count;	1549	int count;
1428		1550
1429	ENTER; SAVETMPS; PUSHMARK (SP);	1551	ENTER; SAVETMPS;
		1552	PUSHMARK (SP);
1430	XPUSHs (sv_2mortal (sv));	1553	XPUSHs (sv_2mortal (sv));
1431		1554
1432	PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN;	1555	PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN;
1433		1556
1434	if (count == 1)	1557	if (count == 1)
1435	{	1558	{
1436	sv = newSVsv (POPs);	1559	sv = newSVsv (POPs);
1437	FREETMPS; LEAVE;	1560	FREETMPS; LEAVE;
1438	return sv;	1561	return sv;
1439	}	1562	}
		1563	else if (count)
		1564	croak ("filter_json_object callbacks must not return more than one scalar");
1440		1565
1441	SvREFCNT_inc (sv);	1566	SvREFCNT_inc (sv);
1442	FREETMPS; LEAVE;	1567	FREETMPS; LEAVE;
1443	}	1568	}
1444	}	1569	}
…		…
1450	DEC_DEC_DEPTH;	1575	DEC_DEC_DEPTH;
1451	return 0;	1576	return 0;
1452	}	1577	}
1453		1578
1454	static SV *	1579	static SV *
		1580	decode_tag (dec_t *dec)
		1581	{
		1582	SV *tag = 0;
		1583	SV *val = 0;
		1584
		1585	if (!(dec->json.flags & F_ALLOW_TAGS))
		1586	ERR ("malformed JSON string, neither array, object, number, string or atom");
		1587
		1588	++dec->cur;
		1589
		1590	decode_ws (dec);
		1591
		1592	tag = decode_sv (dec);
		1593	if (!tag)
		1594	goto fail;
		1595
		1596	if (!SvPOK (tag))
		1597	ERR ("malformed JSON string, (tag) must be a string");
		1598
		1599	decode_ws (dec);
		1600
		1601	if (*dec->cur != ')')
		1602	ERR (") expected after tag");
		1603
		1604	++dec->cur;
		1605
		1606	decode_ws (dec);
		1607
		1608	val = decode_sv (dec);
		1609	if (!val)
		1610	goto fail;
		1611
		1612	if (!SvROK (val) \|\| SvTYPE (SvRV (val)) != SVt_PVAV)
		1613	ERR ("malformed JSON string, tag value must be an array");
		1614
		1615	{
		1616	AV av = (AV )SvRV (val);
		1617	int i, len = av_len (av) + 1;
		1618	HV *stash = gv_stashsv (tag, 0);
		1619	SV *sv;
		1620
		1621	if (!stash)
		1622	ERR ("cannot decode perl-object (package does not exist)");
		1623
		1624	GV *method = gv_fetchmethod_autoload (stash, "THAW", 0);
		1625
		1626	if (!method)
		1627	ERR ("cannot decode perl-object (package does not have a THAW method)");
		1628
		1629	dSP;
		1630
		1631	ENTER; SAVETMPS;
		1632	PUSHMARK (SP);
		1633	EXTEND (SP, len + 2);
		1634	// we re-bless the reference to get overload and other niceties right
		1635	PUSHs (tag);
		1636	PUSHs (sv_json);
		1637
		1638	for (i = 0; i < len; ++i)
		1639	PUSHs (*av_fetch (av, i, 1));
		1640
		1641	PUTBACK;
		1642	call_sv ((SV *)GvCV (method), G_SCALAR);
		1643	SPAGAIN;
		1644
		1645	SvREFCNT_dec (tag);
		1646	SvREFCNT_dec (val);
		1647	sv = SvREFCNT_inc (POPs);
		1648
		1649	PUTBACK;
		1650
		1651	FREETMPS; LEAVE;
		1652
		1653	return sv;
		1654	}
		1655
		1656	fail:
		1657	SvREFCNT_dec (tag);
		1658	SvREFCNT_dec (val);
		1659	return 0;
		1660	}
		1661
		1662	static SV *
1455	decode_sv (dec_t *dec)	1663	decode_sv (dec_t *dec)
1456	{	1664	{
1457	// the beauty of JSON: you need exactly one character lookahead	1665	// the beauty of JSON: you need exactly one character lookahead
1458	// to parse everything.	1666	// to parse everything.
1459	switch (*dec->cur)	1667	switch (*dec->cur)
1460	{	1668	{
1461	case '"': ++dec->cur; return decode_str (dec);	1669	case '"': ++dec->cur; return decode_str (dec);
1462	case '[': ++dec->cur; return decode_av (dec);	1670	case '[': ++dec->cur; return decode_av (dec);
1463	case '{': ++dec->cur; return decode_hv (dec);	1671	case '{': ++dec->cur; return decode_hv (dec);
		1672	case '(': return decode_tag (dec);
1464		1673
1465	case '-':	1674	case '-':
1466	case '0': case '1': case '2': case '3': case '4':	1675	case '0': case '1': case '2': case '3': case '4':
1467	case '5': case '6': case '7': case '8': case '9':	1676	case '5': case '6': case '7': case '8': case '9':
1468	return decode_num (dec);	1677	return decode_num (dec);
1469		1678
		1679	case 'f':
		1680	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))
		1681	{
		1682	dec->cur += 5;
		1683
		1684	if (expect_false (!dec->json.v_false))
		1685	dec->json.v_false = GET_BOOL (false);
		1686
		1687	return newSVsv (dec->json.v_false);
		1688	}
		1689	else
		1690	ERR ("'false' expected");
		1691
		1692	break;
		1693
1470	case 't':	1694	case 't':
1471	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))	1695	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))
1472	{	1696	{
1473	dec->cur += 4;	1697	dec->cur += 4;
1474	#if JSON_SLOW	1698
1475	json_true = get_bool ("JSON::XS::true");	1699	if (expect_false (!dec->json.v_true))
1476	#endif	1700	dec->json.v_true = GET_BOOL (true);
		1701
1477	return newSVsv (json_true);	1702	return newSVsv (dec->json.v_true);
1478	}	1703	}
1479	else	1704	else
1480	ERR ("'true' expected");	1705	ERR ("'true' expected");
1481
1482	break;
1483
1484	case 'f':
1485	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))
1486	{
1487	dec->cur += 5;
1488	#if JSON_SLOW
1489	json_false = get_bool ("JSON::XS::false");
1490	#endif
1491	return newSVsv (json_false);
1492	}
1493	else
1494	ERR ("'false' expected");
1495		1706
1496	break;	1707	break;
1497		1708
1498	case 'n':	1709	case 'n':
1499	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4))	1710	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4))
…		…
1505	ERR ("'null' expected");	1716	ERR ("'null' expected");
1506		1717
1507	break;	1718	break;
1508		1719
1509	default:	1720	default:
1510	ERR ("malformed JSON string, neither array, object, number, string or atom");	1721	ERR ("malformed JSON string, neither tag, array, object, number, string or atom");
1511	break;	1722	break;
1512	}	1723	}
1513		1724
1514	fail:	1725	fail:
1515	return 0;	1726	return 0;
1516	}	1727	}
1517		1728
1518	static SV *	1729	static SV *
1519	decode_json (SV string, JSON json, char **offset_return)	1730	decode_json (SV string, JSON json, STRLEN *offset_return)
1520	{	1731	{
1521	dec_t dec;	1732	dec_t dec;
1522	SV *sv;	1733	SV *sv;
1523		1734
1524	/* work around bugs in 5.10 where manipulating magic values	1735	/* work around bugs in 5.10 where manipulating magic values
1525	* will perl ignore the magic in subsequent accesses	1736	* makes perl ignore the magic in subsequent accesses.
		1737	* also make a copy of non-PV values, to get them into a clean
		1738	* state (SvPV should do that, but it's buggy, see below).
		1739	*
		1740	* SvIsCOW_shared_hash works around a bug in perl (possibly 5.16),
		1741	* as reported by Reini Urban.
1526	*/	1742	*/
1527	/SvGETMAGIC (string);/	1743	/SvGETMAGIC (string);/
1528	if (SvMAGICAL (string))	1744	if (SvMAGICAL (string) \|\| !SvPOK (string) \|\| SvIsCOW_shared_hash (string))
1529	string = sv_2mortal (newSVsv (string));	1745	string = sv_2mortal (newSVsv (string));
1530		1746
1531	SvUPGRADE (string, SVt_PV);	1747	SvUPGRADE (string, SVt_PV);
1532		1748
1533	/* work around a bug in perl 5.10, which causes SvCUR to fail an	1749	/* work around a bug in perl 5.10, which causes SvCUR to fail an
…		…
1572		1788
1573	decode_ws (&dec);	1789	decode_ws (&dec);
1574	sv = decode_sv (&dec);	1790	sv = decode_sv (&dec);
1575		1791
1576	if (offset_return)	1792	if (offset_return)
1577	*offset_return = dec.cur;	1793	*offset_return = dec.cur - SvPVX (string);
1578		1794	else if (sv)
1579	if (!(offset_return \|\| !sv))
1580	{	1795	{
1581	// check for trailing garbage	1796	// check for trailing garbage
1582	decode_ws (&dec);	1797	decode_ws (&dec);
1583		1798
1584	if (*dec.cur)	1799	if (*dec.cur)
…		…
1602	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);	1817	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);
1603	LEAVE;	1818	LEAVE;
1604		1819
1605	croak ("%s, at character offset %d (before \"%s\")",	1820	croak ("%s, at character offset %d (before \"%s\")",
1606	dec.err,	1821	dec.err,
1607	ptr_to_index (string, dec.cur),	1822	(int)ptr_to_index (string, dec.cur),
1608	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");	1823	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
1609	}	1824	}
1610		1825
1611	sv = sv_2mortal (sv);	1826	sv = sv_2mortal (sv);
1612		1827
1613	if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv))	1828	if (!(dec.json.flags & F_ALLOW_NONREF) && json_nonref (sv))
1614	croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");	1829	croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");
1615		1830
1616	return sv;	1831	return sv;
1617	}	1832	}
1618		1833
…		…
1740	self->incr_mode = INCR_M_STR;	1955	self->incr_mode = INCR_M_STR;
1741	goto incr_m_str;	1956	goto incr_m_str;
1742		1957
1743	case '[':	1958	case '[':
1744	case '{':	1959	case '{':
		1960	case '(':
1745	if (++self->incr_nest > self->max_depth)	1961	if (++self->incr_nest > self->max_depth)
1746	croak (ERR_NESTING_EXCEEDED);	1962	croak (ERR_NESTING_EXCEEDED);
1747	break;	1963	break;
1748		1964
1749	case ']':	1965	case ']':
1750	case '}':	1966	case '}':
1751	if (--self->incr_nest <= 0)	1967	if (--self->incr_nest <= 0)
1752	goto interrupt;	1968	goto interrupt;
		1969	break;
		1970
		1971	case ')':
		1972	--self->incr_nest;
1753	break;	1973	break;
1754		1974
1755	case '#':	1975	case '#':
1756	self->incr_mode = INCR_M_C1;	1976	self->incr_mode = INCR_M_C1;
1757	goto incr_m_c;	1977	goto incr_m_c;
…		…
1783	i >= '0' && i <= '9' ? i - '0'	2003	i >= '0' && i <= '9' ? i - '0'
1784	: i >= 'a' && i <= 'f' ? i - 'a' + 10	2004	: i >= 'a' && i <= 'f' ? i - 'a' + 10
1785	: i >= 'A' && i <= 'F' ? i - 'A' + 10	2005	: i >= 'A' && i <= 'F' ? i - 'A' + 10
1786	: -1;	2006	: -1;
1787		2007
1788	json_stash = gv_stashpv ("JSON::XS" , 1);	2008	json_stash = gv_stashpv ("JSON::XS" , 1);
1789	json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1);	2009	bool_stash = gv_stashpv ("Types::Serialiser::Boolean", 1);
1790
1791	json_true = get_bool ("JSON::XS::true");
1792	json_false = get_bool ("JSON::XS::false");	2010	bool_false = get_bool ("Types::Serialiser::false");
		2011	bool_true = get_bool ("Types::Serialiser::true");
		2012
		2013	sv_json = newSVpv ("JSON", 0);
		2014	SvREADONLY_on (sv_json);
1793		2015
1794	CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */	2016	CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */
1795	}	2017	}
1796		2018
1797	PROTOTYPES: DISABLE	2019	PROTOTYPES: DISABLE
1798		2020
1799	void CLONE (...)	2021	void CLONE (...)
1800	CODE:	2022	CODE:
		2023	// as long as these writes are atomic, the race should not matter
		2024	// as existing threads either already use 0, or use the old value,
		2025	// which is sitll correct for the initial thread.
1801	json_stash = 0;	2026	json_stash = 0;
1802	json_boolean_stash = 0;	2027	bool_stash = 0;
		2028	bool_false = 0;
		2029	bool_true = 0;
1803		2030
1804	void new (char *klass)	2031	void new (char *klass)
1805	PPCODE:	2032	PPCODE:
1806	{	2033	{
1807	SV *pv = NEWSV (0, sizeof (JSON));	2034	SV *pv = NEWSV (0, sizeof (JSON));
1808	SvPOK_only (pv);	2035	SvPOK_only (pv);
1809	json_init ((JSON *)SvPVX (pv));	2036	json_init ((JSON *)SvPVX (pv));
1810	XPUSHs (sv_2mortal (sv_bless (	2037	XPUSHs (sv_2mortal (sv_bless (
1811	newRV_noinc (pv),	2038	newRV_noinc (pv),
1812	strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1)	2039	strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1)
1813	)));	2040	)));
1814	}	2041	}
		2042
		2043	void boolean_values (JSON self, SV v_false = 0, SV *v_true = 0)
		2044	PPCODE:
		2045	self->v_false = newSVsv (v_false);
		2046	self->v_true = newSVsv (v_true);
		2047	XPUSHs (ST (0));
		2048
		2049	void get_boolean_values (JSON *self)
		2050	PPCODE:
		2051	if (self->v_false && self->v_true)
		2052	{
		2053	EXTEND (SP, 2);
		2054	PUSHs (self->v_false);
		2055	PUSHs (self->v_true);
		2056	}
1815		2057
1816	void ascii (JSON *self, int enable = 1)	2058	void ascii (JSON *self, int enable = 1)
1817	ALIAS:	2059	ALIAS:
1818	ascii = F_ASCII	2060	ascii = F_ASCII
1819	latin1 = F_LATIN1	2061	latin1 = F_LATIN1
…		…
1827	shrink = F_SHRINK	2069	shrink = F_SHRINK
1828	allow_blessed = F_ALLOW_BLESSED	2070	allow_blessed = F_ALLOW_BLESSED
1829	convert_blessed = F_CONV_BLESSED	2071	convert_blessed = F_CONV_BLESSED
1830	relaxed = F_RELAXED	2072	relaxed = F_RELAXED
1831	allow_unknown = F_ALLOW_UNKNOWN	2073	allow_unknown = F_ALLOW_UNKNOWN
		2074	allow_tags = F_ALLOW_TAGS
1832	PPCODE:	2075	PPCODE:
1833	{	2076	{
1834	if (enable)	2077	if (enable)
1835	self->flags \|= ix;	2078	self->flags \|= ix;
1836	else	2079	else
…		…
1852	get_shrink = F_SHRINK	2095	get_shrink = F_SHRINK
1853	get_allow_blessed = F_ALLOW_BLESSED	2096	get_allow_blessed = F_ALLOW_BLESSED
1854	get_convert_blessed = F_CONV_BLESSED	2097	get_convert_blessed = F_CONV_BLESSED
1855	get_relaxed = F_RELAXED	2098	get_relaxed = F_RELAXED
1856	get_allow_unknown = F_ALLOW_UNKNOWN	2099	get_allow_unknown = F_ALLOW_UNKNOWN
		2100	get_allow_tags = F_ALLOW_TAGS
1857	PPCODE:	2101	PPCODE:
1858	XPUSHs (boolSV (self->flags & ix));	2102	XPUSHs (boolSV (self->flags & ix));
1859		2103
1860	void max_depth (JSON *self, U32 max_depth = 0x80000000UL)	2104	void max_depth (JSON *self, U32 max_depth = 0x80000000UL)
1861	PPCODE:	2105	PPCODE:
…		…
1889	}	2133	}
1890		2134
1891	void filter_json_single_key_object (JSON self, SV key, SV *cb = &PL_sv_undef)	2135	void filter_json_single_key_object (JSON self, SV key, SV *cb = &PL_sv_undef)
1892	PPCODE:	2136	PPCODE:
1893	{	2137	{
1894	if (!self->cb_sk_object)	2138	if (!self->cb_sk_object)
1895	self->cb_sk_object = newHV ();	2139	self->cb_sk_object = newHV ();
1896		2140
1897	if (SvOK (cb))	2141	if (SvOK (cb))
1898	hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);	2142	hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);
1899	else	2143	else
…		…
1910	XPUSHs (ST (0));	2154	XPUSHs (ST (0));
1911	}	2155	}
1912		2156
1913	void encode (JSON self, SV scalar)	2157	void encode (JSON self, SV scalar)
1914	PPCODE:	2158	PPCODE:
1915	XPUSHs (encode_json (scalar, self));	2159	PUTBACK; scalar = encode_json (scalar, self); SPAGAIN;
		2160	XPUSHs (scalar);
1916		2161
1917	void decode (JSON self, SV jsonstr)	2162	void decode (JSON self, SV jsonstr)
1918	PPCODE:	2163	PPCODE:
1919	XPUSHs (decode_json (jsonstr, self, 0));	2164	PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN;
		2165	XPUSHs (jsonstr);
1920		2166
1921	void decode_prefix (JSON self, SV jsonstr)	2167	void decode_prefix (JSON self, SV jsonstr)
1922	PPCODE:	2168	PPCODE:
1923	{	2169	{
1924	char *offset;	2170	SV *sv;
		2171	STRLEN offset;
		2172	PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN;
1925	EXTEND (SP, 2);	2173	EXTEND (SP, 2);
1926	PUSHs (decode_json (jsonstr, self, &offset));	2174	PUSHs (sv);
1927	PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset))));	2175	PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, SvPV_nolen (jsonstr) + offset))));
1928	}	2176	}
1929		2177
1930	void incr_parse (JSON self, SV jsonstr = 0)	2178	void incr_parse (JSON self, SV jsonstr = 0)
1931	PPCODE:	2179	PPCODE:
1932	{	2180	{
…		…
1966	{	2214	{
1967	STRLEN len;	2215	STRLEN len;
1968	const char *str = SvPV (jsonstr, len);	2216	const char *str = SvPV (jsonstr, len);
1969	STRLEN cur = SvCUR (self->incr_text);	2217	STRLEN cur = SvCUR (self->incr_text);
1970		2218
1971	if (SvLEN (self->incr_text) <= cur + len)	2219	if (SvLEN (self->incr_text) - cur <= len)
1972	SvGROW (self->incr_text, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);	2220	json_sv_grow (self->incr_text, cur, len);
1973		2221
1974	Move (str, SvEND (self->incr_text), len, char);	2222	Move (str, SvEND (self->incr_text), len, char);
1975	SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len);	2223	SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len);
1976	*SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there	2224	*SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there
1977	}	2225	}
1978	}	2226	}
1979		2227
1980	if (GIMME_V != G_VOID)	2228	if (GIMME_V != G_VOID)
1981	do	2229	do
1982	{	2230	{
		2231	SV *sv;
1983	char *offset;	2232	STRLEN offset;
1984		2233
1985	if (!INCR_DONE (self))	2234	if (!INCR_DONE (self))
1986	{	2235	{
1987	incr_parse (self);	2236	incr_parse (self);
1988		2237
1989	if (self->incr_pos > self->max_size && self->max_size)	2238	if (self->incr_pos > self->max_size && self->max_size)
1990	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",	2239	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",
1991	(unsigned long)self->incr_pos, (unsigned long)self->max_size);	2240	(unsigned long)self->incr_pos, (unsigned long)self->max_size);
1992		2241
1993	if (!INCR_DONE (self))	2242	if (!INCR_DONE (self))
		2243	{
		2244	// as an optimisation, do not accumulate white space in the incr buffer
		2245	if (self->incr_mode == INCR_M_WS && self->incr_pos)
		2246	{
		2247	self->incr_pos = 0;
		2248	SvCUR_set (self->incr_text, 0);
		2249	}
		2250
1994	break;	2251	break;
		2252	}
1995	}	2253	}
1996		2254
1997	XPUSHs (decode_json (self->incr_text, self, &offset));	2255	PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN;
		2256	XPUSHs (sv);
1998		2257
1999	self->incr_pos -= offset - SvPVX (self->incr_text);	2258	self->incr_pos -= offset;
2000	self->incr_nest = 0;	2259	self->incr_nest = 0;
2001	self->incr_mode = 0;	2260	self->incr_mode = 0;
2002		2261
2003	sv_chop (self->incr_text, offset);	2262	sv_chop (self->incr_text, SvPVX (self->incr_text) + offset);
2004	}	2263	}
2005	while (GIMME_V == G_ARRAY);	2264	while (GIMME_V == G_ARRAY);
2006	}	2265	}
2007		2266
2008	SV incr_text (JSON self)	2267	SV incr_text (JSON self)
…		…
2039	self->incr_mode = 0;	2298	self->incr_mode = 0;
2040	}	2299	}
2041		2300
2042	void DESTROY (JSON *self)	2301	void DESTROY (JSON *self)
2043	CODE:	2302	CODE:
		2303	SvREFCNT_dec (self->v_false);
		2304	SvREFCNT_dec (self->v_true);
2044	SvREFCNT_dec (self->cb_sk_object);	2305	SvREFCNT_dec (self->cb_sk_object);
2045	SvREFCNT_dec (self->cb_object);	2306	SvREFCNT_dec (self->cb_object);
2046	SvREFCNT_dec (self->incr_text);	2307	SvREFCNT_dec (self->incr_text);
2047		2308
2048	PROTOTYPES: ENABLE	2309	PROTOTYPES: ENABLE
2049		2310
2050	void encode_json (SV *scalar)	2311	void encode_json (SV *scalar)
2051	ALIAS:
2052	to_json_ = 0
2053	encode_json = F_UTF8
2054	PPCODE:	2312	PPCODE:
2055	{	2313	{
2056	JSON json;	2314	JSON json;
2057	json_init (&json);	2315	json_init (&json);
2058	json.flags \|= ix;	2316	json.flags \|= F_UTF8;
2059	XPUSHs (encode_json (scalar, &json));	2317	PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN;
		2318	XPUSHs (scalar);
2060	}	2319	}
2061		2320
2062	void decode_json (SV *jsonstr)	2321	void decode_json (SV *jsonstr)
2063	ALIAS:
2064	from_json_ = 0
2065	decode_json = F_UTF8
2066	PPCODE:	2322	PPCODE:
2067	{	2323	{
2068	JSON json;	2324	JSON json;
2069	json_init (&json);	2325	json_init (&json);
2070	json.flags \|= ix;	2326	json.flags \|= F_UTF8;
2071	XPUSHs (decode_json (jsonstr, &json, 0));	2327	PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN;
		2328	XPUSHs (jsonstr);
2072	}	2329	}
2073		2330

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Comparing JSON-XS/XS.xs (file contents): Revision 1.108 by root, Tue Aug 17 23:27:36 2010 UTC vs. Revision 1.134 by root, Thu Nov 15 20:13:03 2018 UTC

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Comparing JSON-XS/XS.xs (file contents):
Revision 1.108 by root, Tue Aug 17 23:27:36 2010 UTC vs.
Revision 1.134 by root, Thu Nov 15 20:13:03 2018 UTC