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

Comparing JSON-XS/XS.xs (file contents):
Revision 1.101 by root, Tue Sep 8 18:00:03 2009 UTC vs.
Revision 1.124 by root, Mon Nov 24 18:42:51 2014 UTC

…		…
17	// guarantees, though. if it breaks, you get to keep the pieces.	17	// guarantees, though. if it breaks, you get to keep the pieces.
18	#ifndef UTF8_MAXBYTES	18	#ifndef UTF8_MAXBYTES
19	# define UTF8_MAXBYTES 13	19	# define UTF8_MAXBYTES 13
20	#endif	20	#endif
21		21
		22	// compatibility with perl <5.18
		23	#ifndef HvNAMELEN_get
		24	# define HvNAMELEN_get(hv) strlen (HvNAME (hv))
		25	#endif
		26	#ifndef HvNAMELEN
		27	# define HvNAMELEN(hv) HvNAMELEN_get (hv)
		28	#endif
		29	#ifndef HvNAMEUTF8
		30	# define HvNAMEUTF8(hv) 0
		31	#endif
		32
		33	// three extra for rounding, sign, and end of string
22	#define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 2)	34	#define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3)
23		35
24	#define F_ASCII 0x00000001UL	36	#define F_ASCII 0x00000001UL
25	#define F_LATIN1 0x00000002UL	37	#define F_LATIN1 0x00000002UL
26	#define F_UTF8 0x00000004UL	38	#define F_UTF8 0x00000004UL
27	#define F_INDENT 0x00000008UL	39	#define F_INDENT 0x00000008UL
…		…
32	#define F_SHRINK 0x00000200UL	44	#define F_SHRINK 0x00000200UL
33	#define F_ALLOW_BLESSED 0x00000400UL	45	#define F_ALLOW_BLESSED 0x00000400UL
34	#define F_CONV_BLESSED 0x00000800UL	46	#define F_CONV_BLESSED 0x00000800UL
35	#define F_RELAXED 0x00001000UL	47	#define F_RELAXED 0x00001000UL
36	#define F_ALLOW_UNKNOWN 0x00002000UL	48	#define F_ALLOW_UNKNOWN 0x00002000UL
		49	#define F_ALLOW_TAGS 0x00004000UL
37	#define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing	50	#define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing
38		51
39	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER	52	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER
40		53
41	#define INIT_SIZE 32 // initial scalar size to be allocated	54	#define INIT_SIZE 32 // initial scalar size to be allocated
42	#define INDENT_STEP 3 // spaces per indentation level	55	#define INDENT_STEP 3 // spaces per indentation level
43		56
44	#define SHORT_STRING_LEN 16384 // special-case strings of up to this size	57	#define SHORT_STRING_LEN 16384 // special-case strings of up to this size
		58
		59	#define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8)
45		60
46	#define SB do {	61	#define SB do {
47	#define SE } while (0)	62	#define SE } while (0)
48		63
49	#if __GNUC__ >= 3	64	#if __GNUC__ >= 3
…		…
69	#else	84	#else
70	# define JSON_SLOW 0	85	# define JSON_SLOW 0
71	# define JSON_STASH json_stash	86	# define JSON_STASH json_stash
72	#endif	87	#endif
73		88
		89	// the amount of HEs to allocate on the stack, when sorting keys
		90	#define STACK_HES 64
		91
74	static HV json_stash, json_boolean_stash; // JSON::XS::	92	static HV json_stash, types_boolean_stash; // JSON::XS::
75	static SV json_true, json_false;	93	static SV types_true, types_false, *sv_json;
76		94
77	enum {	95	enum {
78	INCR_M_WS = 0, // initial whitespace skipping, must be 0	96	INCR_M_WS = 0, // initial whitespace skipping, must be 0
79	INCR_M_STR, // inside string	97	INCR_M_STR, // inside string
80	INCR_M_BS, // inside backslash	98	INCR_M_BS, // inside backslash
		99	INCR_M_C0, // inside comment in initial whitespace sequence
		100	INCR_M_C1, // inside comment in other places
81	INCR_M_JSON // outside anything, count nesting	101	INCR_M_JSON // outside anything, count nesting
82	};	102	};
83		103
84	#define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON)	104	#define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON)
85		105
…		…
184	return SvUTF8 (sv)	204	return SvUTF8 (sv)
185	? utf8_distance (offset, SvPVX (sv))	205	? utf8_distance (offset, SvPVX (sv))
186	: offset - SvPVX (sv);	206	: offset - SvPVX (sv);
187	}	207	}
188		208
		209	/////////////////////////////////////////////////////////////////////////////
		210	// fp hell
		211
		212	// scan a group of digits, and a trailing exponent
		213	static void
		214	json_atof_scan1 (const char s, NV accum, int *expo, int postdp, int maxdepth)
		215	{
		216	UV uaccum = 0;
		217	int eaccum = 0;
		218
		219	// if we recurse too deep, skip all remaining digits
		220	// to avoid a stack overflow attack
		221	if (expect_false (--maxdepth <= 0))
		222	while (((U8)*s - '0') < 10)
		223	++s;
		224
		225	for (;;)
		226	{
		227	U8 dig = (U8)*s - '0';
		228
		229	if (expect_false (dig >= 10))
		230	{
		231	if (dig == (U8)((U8)'.' - (U8)'0'))
		232	{
		233	++s;
		234	json_atof_scan1 (s, accum, expo, 1, maxdepth);
		235	}
		236	else if ((dig \| ' ') == 'e' - '0')
		237	{
		238	int exp2 = 0;
		239	int neg = 0;
		240
		241	++s;
		242
		243	if (*s == '-')
		244	{
		245	++s;
		246	neg = 1;
		247	}
		248	else if (*s == '+')
		249	++s;
		250
		251	while ((dig = (U8)*s - '0') < 10)
		252	exp2 = exp2 * 10 + *s++ - '0';
		253
		254	*expo += neg ? -exp2 : exp2;
		255	}
		256
		257	break;
		258	}
		259
		260	++s;
		261
		262	uaccum = uaccum * 10 + dig;
		263	++eaccum;
		264
		265	// if we have too many digits, then recurse for more
		266	// we actually do this for rather few digits
		267	if (uaccum >= (UV_MAX - 9) / 10)
		268	{
		269	if (postdp) *expo -= eaccum;
		270	json_atof_scan1 (s, accum, expo, postdp, maxdepth);
		271	if (postdp) *expo += eaccum;
		272
		273	break;
		274	}
		275	}
		276
		277	// this relies greatly on the quality of the pow ()
		278	// implementation of the platform, but a good
		279	// implementation is hard to beat.
		280	// (IEEE 754 conformant ones are required to be exact)
		281	if (postdp) *expo -= eaccum;
		282	accum += uaccum Perl_pow (10., *expo);
		283	*expo += eaccum;
		284	}
		285
		286	static NV
		287	json_atof (const char *s)
		288	{
		289	NV accum = 0.;
		290	int expo = 0;
		291	int neg = 0;
		292
		293	if (*s == '-')
		294	{
		295	++s;
		296	neg = 1;
		297	}
		298
		299	// a recursion depth of ten gives us >>500 bits
		300	json_atof_scan1 (s, &accum, &expo, 0, 10);
		301
		302	return neg ? -accum : accum;
		303	}
189	/////////////////////////////////////////////////////////////////////////////	304	/////////////////////////////////////////////////////////////////////////////
190	// encoder	305	// encoder
191		306
192	// structure used for encoding JSON	307	// structure used for encoding JSON
193	typedef struct	308	typedef struct
…		…
380		495
381	if (enc->indent >= enc->json.max_depth)	496	if (enc->indent >= enc->json.max_depth)
382	croak (ERR_NESTING_EXCEEDED);	497	croak (ERR_NESTING_EXCEEDED);
383		498
384	encode_ch (enc, '[');	499	encode_ch (enc, '[');
385		500
386	if (len >= 0)	501	if (len >= 0)
387	{	502	{
388	encode_nl (enc); ++enc->indent;	503	encode_nl (enc); ++enc->indent;
389		504
390	for (i = 0; i <= len; ++i)	505	for (i = 0; i <= len; ++i)
…		…
402	encode_comma (enc);	517	encode_comma (enc);
403	}	518	}
404		519
405	encode_nl (enc); --enc->indent; encode_indent (enc);	520	encode_nl (enc); --enc->indent; encode_indent (enc);
406	}	521	}
407		522
408	encode_ch (enc, ']');	523	encode_ch (enc, ']');
409	}	524	}
410		525
411	static void	526	static void
412	encode_hk (enc_t enc, HE he)	527	encode_hk (enc_t enc, HE he)
…		…
416	if (HeKLEN (he) == HEf_SVKEY)	531	if (HeKLEN (he) == HEf_SVKEY)
417	{	532	{
418	SV *sv = HeSVKEY (he);	533	SV *sv = HeSVKEY (he);
419	STRLEN len;	534	STRLEN len;
420	char *str;	535	char *str;
421		536
422	SvGETMAGIC (sv);	537	SvGETMAGIC (sv);
423	str = SvPV (sv, len);	538	str = SvPV (sv, len);
424		539
425	encode_str (enc, str, len, SvUTF8 (sv));	540	encode_str (enc, str, len, SvUTF8 (sv));
426	}	541	}
…		…
492	}	607	}
493		608
494	if (count)	609	if (count)
495	{	610	{
496	int i, fast = 1;	611	int i, fast = 1;
497	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)	612	HE *hes_stack [STACK_HES];
498	HE *hes = _alloca (count sizeof (HE));	613	HE **hes = hes_stack;
499	#else	614
500	HE *hes [count]; // if your compiler dies here, you need to enable C99 mode	615	// allocate larger arrays on the heap
501	#endif	616	if (count > STACK_HES)
		617	{
		618	SV sv = sv_2mortal (NEWSV (0, count sizeof (*hes)));
		619	hes = (HE **)SvPVX (sv);
		620	}
502		621
503	i = 0;	622	i = 0;
504	while ((he = hv_iternext (hv)))	623	while ((he = hv_iternext (hv)))
505	{	624	{
506	hes [i++] = he;	625	hes [i++] = he;
…		…
575	// encode objects, arrays and special \0=false and \1=true values.	694	// encode objects, arrays and special \0=false and \1=true values.
576	static void	695	static void
577	encode_rv (enc_t enc, SV sv)	696	encode_rv (enc_t enc, SV sv)
578	{	697	{
579	svtype svt;	698	svtype svt;
		699	GV *method;
580		700
581	SvGETMAGIC (sv);	701	SvGETMAGIC (sv);
582	svt = SvTYPE (sv);	702	svt = SvTYPE (sv);
583		703
584	if (expect_false (SvOBJECT (sv)))	704	if (expect_false (SvOBJECT (sv)))
585	{	705	{
586	HV *stash = !JSON_SLOW \|\| json_boolean_stash	706	HV *boolean_stash = !JSON_SLOW \|\| types_boolean_stash
587	? json_boolean_stash	707	? types_boolean_stash
588	: gv_stashpv ("JSON::XS::Boolean", 1);	708	: gv_stashpv ("Types::Serialiser::Boolean", 1);
		709	HV *stash = SvSTASH (sv);
589		710
590	if (SvSTASH (sv) == stash)	711	if (stash == boolean_stash)
591	{	712	{
592	if (SvIV (sv))	713	if (SvIV (sv))
593	encode_str (enc, "true", 4, 0);	714	encode_str (enc, "true", 4, 0);
594	else	715	else
595	encode_str (enc, "false", 5, 0);	716	encode_str (enc, "false", 5, 0);
596	}	717	}
		718	else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0)))
		719	{
		720	int count;
		721	dSP;
		722
		723	ENTER; SAVETMPS; PUSHMARK (SP);
		724	EXTEND (SP, 2);
		725	// we re-bless the reference to get overload and other niceties right
		726	PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
		727	PUSHs (sv_json);
		728
		729	PUTBACK;
		730	count = call_sv ((SV *)GvCV (method), G_ARRAY);
		731	SPAGAIN;
		732
		733	// catch this surprisingly common error
		734	if (SvROK (TOPs) && SvRV (TOPs) == sv)
		735	croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
		736
		737	encode_ch (enc, '(');
		738	encode_ch (enc, '"');
		739	encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash));
		740	encode_ch (enc, '"');
		741	encode_ch (enc, ')');
		742	encode_ch (enc, '[');
		743
		744	while (count)
		745	{
		746	encode_sv (enc, SP[1 - count--]);
		747
		748	if (count)
		749	encode_ch (enc, ',');
		750	}
		751
		752	encode_ch (enc, ']');
		753
		754	PUTBACK;
		755
		756	FREETMPS; LEAVE;
		757	}
		758	else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0)))
		759	{
		760	dSP;
		761
		762	ENTER; SAVETMPS; PUSHMARK (SP);
		763	// we re-bless the reference to get overload and other niceties right
		764	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
		765
		766	// calling with G_SCALAR ensures that we always get a 1 return value
		767	PUTBACK;
		768	call_sv ((SV *)GvCV (method), G_SCALAR);
		769	SPAGAIN;
		770
		771	// catch this surprisingly common error
		772	if (SvROK (TOPs) && SvRV (TOPs) == sv)
		773	croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
		774
		775	sv = POPs;
		776	PUTBACK;
		777
		778	encode_sv (enc, sv);
		779
		780	FREETMPS; LEAVE;
		781	}
		782	else if (enc->json.flags & F_ALLOW_BLESSED)
		783	encode_str (enc, "null", 4, 0);
597	else	784	else
598	{
599	#if 0
600	if (0 && sv_derived_from (rv, "JSON::Literal"))
601	{
602	// not yet
603	}
604	#endif
605	if (enc->json.flags & F_CONV_BLESSED)
606	{
607	// we re-bless the reference to get overload and other niceties right
608	GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0);
609
610	if (to_json)
611	{
612	dSP;
613
614	ENTER; SAVETMPS; PUSHMARK (SP);
615	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv)));
616
617	// calling with G_SCALAR ensures that we always get a 1 return value
618	PUTBACK;
619	call_sv ((SV *)GvCV (to_json), G_SCALAR);
620	SPAGAIN;
621
622	// catch this surprisingly common error
623	if (SvROK (TOPs) && SvRV (TOPs) == sv)
624	croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
625
626	sv = POPs;
627	PUTBACK;
628
629	encode_sv (enc, sv);
630
631	FREETMPS; LEAVE;
632	}
633	else if (enc->json.flags & F_ALLOW_BLESSED)
634	encode_str (enc, "null", 4, 0);
635	else
636	croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it",
637	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
638	}
639	else if (enc->json.flags & F_ALLOW_BLESSED)
640	encode_str (enc, "null", 4, 0);
641	else
642	croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled",	785	croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)",
643	SvPV_nolen (sv_2mortal (newRV_inc (sv))));	786	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
644	}
645	}	787	}
646	else if (svt == SVt_PVHV)	788	else if (svt == SVt_PVHV)
647	encode_hv (enc, (HV *)sv);	789	encode_hv (enc, (HV *)sv);
648	else if (svt == SVt_PVAV)	790	else if (svt == SVt_PVAV)
649	encode_av (enc, (AV *)sv);	791	encode_av (enc, (AV *)sv);
…		…
725	}	867	}
726	else	868	else
727	{	869	{
728	// large integer, use the (rather slow) snprintf way.	870	// large integer, use the (rather slow) snprintf way.
729	need (enc, IVUV_MAXCHARS);	871	need (enc, IVUV_MAXCHARS);
730	enc->cur +=	872	enc->cur +=
731	SvIsUV(sv)	873	SvIsUV(sv)
732	? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv))	874	? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv))
733	: snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv));	875	: snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv));
734	}	876	}
735	}	877	}
736	else if (SvROK (sv))	878	else if (SvROK (sv))
737	encode_rv (enc, SvRV (sv));	879	encode_rv (enc, SvRV (sv));
738	else if (!SvOK (sv) \|\| enc->json.flags & F_ALLOW_UNKNOWN)	880	else if (!SvOK (sv) \|\| enc->json.flags & F_ALLOW_UNKNOWN)
739	encode_str (enc, "null", 4, 0);	881	encode_str (enc, "null", 4, 0);
740	else	882	else
741	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",	883	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data",
742	SvPV_nolen (sv), SvFLAGS (sv));	884	SvPV_nolen (sv), (unsigned int)SvFLAGS (sv));
743	}	885	}
744		886
745	static SV *	887	static SV *
746	encode_json (SV scalar, JSON json)	888	encode_json (SV scalar, JSON json)
747	{	889	{
…		…
962	cur++ = dec_cur++;	1104	cur++ = dec_cur++;
963	while (--clen);	1105	while (--clen);
964		1106
965	utf8 = 1;	1107	utf8 = 1;
966	}	1108	}
		1109	else if (ch == '\t' && dec->json.flags & F_RELAXED)
		1110	*cur++ = ch;
967	else	1111	else
968	{	1112	{
969	--dec_cur;	1113	--dec_cur;
970		1114
971	if (!ch)	1115	if (!ch)
…		…
1116	}	1260	}
1117		1261
1118	len -= *start == '-' ? 1 : 0;	1262	len -= *start == '-' ? 1 : 0;
1119		1263
1120	// does not fit into IV or UV, try NV	1264	// does not fit into IV or UV, try NV
1121	if ((sizeof (NV) == sizeof (double) && DBL_DIG >= len)	1265	if (len <= NV_DIG)
1122	#if defined (LDBL_DIG)
1123	\|\| (sizeof (NV) == sizeof (long double) && LDBL_DIG >= len)
1124	#endif
1125	)
1126	// fits into NV without loss of precision	1266	// fits into NV without loss of precision
1127	return newSVnv (Atof (start));	1267	return newSVnv (json_atof (start));
1128		1268
1129	// everything else fails, convert it to a string	1269	// everything else fails, convert it to a string
1130	return newSVpvn (start, dec->cur - start);	1270	return newSVpvn (start, dec->cur - start);
1131	}	1271	}
1132		1272
1133	// loss of precision here	1273	// loss of precision here
1134	return newSVnv (Atof (start));	1274	return newSVnv (json_atof (start));
1135		1275
1136	fail:	1276	fail:
1137	return 0;	1277	return 0;
1138	}	1278	}
1139		1279
…		…
1163	if (*dec->cur == ']')	1303	if (*dec->cur == ']')
1164	{	1304	{
1165	++dec->cur;	1305	++dec->cur;
1166	break;	1306	break;
1167	}	1307	}
1168		1308
1169	if (*dec->cur != ',')	1309	if (*dec->cur != ',')
1170	ERR (", or ] expected while parsing array");	1310	ERR (", or ] expected while parsing array");
1171		1311
1172	++dec->cur;	1312	++dec->cur;
1173		1313
…		…
1308	dSP;	1448	dSP;
1309	int count;	1449	int count;
1310		1450
1311	ENTER; SAVETMPS; PUSHMARK (SP);	1451	ENTER; SAVETMPS; PUSHMARK (SP);
1312	XPUSHs (HeVAL (he));	1452	XPUSHs (HeVAL (he));
		1453	sv_2mortal (sv);
1313		1454
1314	PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN;	1455	PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN;
1315		1456
1316	if (count == 1)	1457	if (count == 1)
1317	{	1458	{
1318	sv = newSVsv (POPs);	1459	sv = newSVsv (POPs);
1319	FREETMPS; LEAVE;	1460	FREETMPS; LEAVE;
1320	return sv;	1461	return sv;
1321	}	1462	}
1322		1463
		1464	SvREFCNT_inc (sv);
1323	FREETMPS; LEAVE;	1465	FREETMPS; LEAVE;
1324	}	1466	}
1325	}	1467	}
1326		1468
1327	if (dec->json.cb_object)	1469	if (dec->json.cb_object)
…		…
1353	DEC_DEC_DEPTH;	1495	DEC_DEC_DEPTH;
1354	return 0;	1496	return 0;
1355	}	1497	}
1356		1498
1357	static SV *	1499	static SV *
		1500	decode_tag (dec_t *dec)
		1501	{
		1502	SV *tag = 0;
		1503	SV *val = 0;
		1504
		1505	if (!(dec->json.flags & F_ALLOW_TAGS))
		1506	ERR ("malformed JSON string, neither array, object, number, string or atom");
		1507
		1508	++dec->cur;
		1509
		1510	decode_ws (dec);
		1511
		1512	tag = decode_sv (dec);
		1513	if (!tag)
		1514	goto fail;
		1515
		1516	if (!SvPOK (tag))
		1517	ERR ("malformed JSON string, (tag) must be a string");
		1518
		1519	decode_ws (dec);
		1520
		1521	if (*dec->cur != ')')
		1522	ERR (") expected after tag");
		1523
		1524	++dec->cur;
		1525
		1526	decode_ws (dec);
		1527
		1528	val = decode_sv (dec);
		1529	if (!val)
		1530	goto fail;
		1531
		1532	if (!SvROK (val) \|\| SvTYPE (SvRV (val)) != SVt_PVAV)
		1533	ERR ("malformed JSON string, tag value must be an array");
		1534
		1535	{
		1536	AV av = (AV )SvRV (val);
		1537	int i, len = av_len (av) + 1;
		1538	HV *stash = gv_stashsv (tag, 0);
		1539	SV *sv;
		1540
		1541	if (!stash)
		1542	ERR ("cannot decode perl-object (package does not exist)");
		1543
		1544	GV *method = gv_fetchmethod_autoload (stash, "THAW", 0);
		1545
		1546	if (!method)
		1547	ERR ("cannot decode perl-object (package does not have a THAW method)");
		1548
		1549	dSP;
		1550
		1551	ENTER; SAVETMPS; PUSHMARK (SP);
		1552	EXTEND (SP, len + 2);
		1553	// we re-bless the reference to get overload and other niceties right
		1554	PUSHs (tag);
		1555	PUSHs (sv_json);
		1556
		1557	for (i = 0; i < len; ++i)
		1558	PUSHs (*av_fetch (av, i, 1));
		1559
		1560	PUTBACK;
		1561	call_sv ((SV *)GvCV (method), G_SCALAR);
		1562	SPAGAIN;
		1563
		1564	SvREFCNT_dec (tag);
		1565	SvREFCNT_dec (val);
		1566	sv = SvREFCNT_inc (POPs);
		1567
		1568	PUTBACK;
		1569
		1570	FREETMPS; LEAVE;
		1571
		1572	return sv;
		1573	}
		1574
		1575	fail:
		1576	SvREFCNT_dec (tag);
		1577	SvREFCNT_dec (val);
		1578	return 0;
		1579	}
		1580
		1581	static SV *
1358	decode_sv (dec_t *dec)	1582	decode_sv (dec_t *dec)
1359	{	1583	{
1360	// the beauty of JSON: you need exactly one character lookahead	1584	// the beauty of JSON: you need exactly one character lookahead
1361	// to parse everything.	1585	// to parse everything.
1362	switch (*dec->cur)	1586	switch (*dec->cur)
1363	{	1587	{
1364	case '"': ++dec->cur; return decode_str (dec);	1588	case '"': ++dec->cur; return decode_str (dec);
1365	case '[': ++dec->cur; return decode_av (dec);	1589	case '[': ++dec->cur; return decode_av (dec);
1366	case '{': ++dec->cur; return decode_hv (dec);	1590	case '{': ++dec->cur; return decode_hv (dec);
		1591	case '(': return decode_tag (dec);
1367		1592
1368	case '-':	1593	case '-':
1369	case '0': case '1': case '2': case '3': case '4':	1594	case '0': case '1': case '2': case '3': case '4':
1370	case '5': case '6': case '7': case '8': case '9':	1595	case '5': case '6': case '7': case '8': case '9':
1371	return decode_num (dec);	1596	return decode_num (dec);
…		…
1373	case 't':	1598	case 't':
1374	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))	1599	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))
1375	{	1600	{
1376	dec->cur += 4;	1601	dec->cur += 4;
1377	#if JSON_SLOW	1602	#if JSON_SLOW
1378	json_true = get_bool ("JSON::XS::true");	1603	types_true = get_bool ("Types::Serialiser::true");
1379	#endif	1604	#endif
1380	return newSVsv (json_true);	1605	return newSVsv (types_true);
1381	}	1606	}
1382	else	1607	else
1383	ERR ("'true' expected");	1608	ERR ("'true' expected");
1384		1609
1385	break;	1610	break;
…		…
1387	case 'f':	1612	case 'f':
1388	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))	1613	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))
1389	{	1614	{
1390	dec->cur += 5;	1615	dec->cur += 5;
1391	#if JSON_SLOW	1616	#if JSON_SLOW
1392	json_false = get_bool ("JSON::XS::false");	1617	types_false = get_bool ("Types::Serialiser::false");
1393	#endif	1618	#endif
1394	return newSVsv (json_false);	1619	return newSVsv (types_false);
1395	}	1620	}
1396	else	1621	else
1397	ERR ("'false' expected");	1622	ERR ("'false' expected");
1398		1623
1399	break;	1624	break;
…		…
1408	ERR ("'null' expected");	1633	ERR ("'null' expected");
1409		1634
1410	break;	1635	break;
1411		1636
1412	default:	1637	default:
1413	ERR ("malformed JSON string, neither array, object, number, string or atom");	1638	ERR ("malformed JSON string, neither tag, array, object, number, string or atom");
1414	break;	1639	break;
1415	}	1640	}
1416		1641
1417	fail:	1642	fail:
1418	return 0;	1643	return 0;
…		…
1423	{	1648	{
1424	dec_t dec;	1649	dec_t dec;
1425	SV *sv;	1650	SV *sv;
1426		1651
1427	/* work around bugs in 5.10 where manipulating magic values	1652	/* work around bugs in 5.10 where manipulating magic values
1428	* will perl ignore the magic in subsequent accesses	1653	* makes perl ignore the magic in subsequent accesses.
		1654	* also make a copy of non-PV values, to get them into a clean
		1655	* state (SvPV should do that, but it's buggy, see below).
1429	*/	1656	*/
1430	/SvGETMAGIC (string);/	1657	/SvGETMAGIC (string);/
1431	if (SvMAGICAL (string))	1658	if (SvMAGICAL (string) \|\| !SvPOK (string))
1432	string = sv_2mortal (newSVsv (string));	1659	string = sv_2mortal (newSVsv (string));
1433		1660
1434	SvUPGRADE (string, SVt_PV);	1661	SvUPGRADE (string, SVt_PV);
1435		1662
1436	/* work around a bug in perl 5.10, which causes SvCUR to fail an	1663	/* work around a bug in perl 5.10, which causes SvCUR to fail an
…		…
1453	if (offset > json->max_size && json->max_size)	1680	if (offset > json->max_size && json->max_size)
1454	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",	1681	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",
1455	(unsigned long)SvCUR (string), (unsigned long)json->max_size);	1682	(unsigned long)SvCUR (string), (unsigned long)json->max_size);
1456	}	1683	}
1457		1684
1458	if (json->flags & F_UTF8)	1685	if (DECODE_WANTS_OCTETS (json))
1459	sv_utf8_downgrade (string, 0);	1686	sv_utf8_downgrade (string, 0);
1460	else	1687	else
1461	sv_utf8_upgrade (string);	1688	sv_utf8_upgrade (string);
1462		1689
1463	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP	1690	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP
…		…
1505	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);	1732	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);
1506	LEAVE;	1733	LEAVE;
1507		1734
1508	croak ("%s, at character offset %d (before \"%s\")",	1735	croak ("%s, at character offset %d (before \"%s\")",
1509	dec.err,	1736	dec.err,
1510	ptr_to_index (string, dec.cur),	1737	(int)ptr_to_index (string, dec.cur),
1511	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");	1738	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
1512	}	1739	}
1513		1740
1514	sv = sv_2mortal (sv);	1741	sv = sv_2mortal (sv);
1515		1742
…		…
1524		1751
1525	static void	1752	static void
1526	incr_parse (JSON *self)	1753	incr_parse (JSON *self)
1527	{	1754	{
1528	const char *p = SvPVX (self->incr_text) + self->incr_pos;	1755	const char *p = SvPVX (self->incr_text) + self->incr_pos;
		1756
		1757	// the state machine here is a bit convoluted and could be simplified a lot
		1758	// but this would make it slower, so...
1529		1759
1530	for (;;)	1760	for (;;)
1531	{	1761	{
1532	//printf ("loop pod %d p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), p, p, self->incr_mode, self->incr_nest);//D	1762	//printf ("loop pod %d p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), p, p, self->incr_mode, self->incr_nest);//D
1533	switch (self->incr_mode)	1763	switch (self->incr_mode)
1534	{	1764	{
1535	// only used for intiial whitespace skipping	1765	// only used for initial whitespace skipping
1536	case INCR_M_WS:	1766	case INCR_M_WS:
1537	for (;;)	1767	for (;;)
1538	{	1768	{
1539	if (*p > 0x20)	1769	if (*p > 0x20)
1540	{	1770	{
		1771	if (*p == '#')
		1772	{
		1773	self->incr_mode = INCR_M_C0;
		1774	goto incr_m_c;
		1775	}
		1776	else
		1777	{
1541	self->incr_mode = INCR_M_JSON;	1778	self->incr_mode = INCR_M_JSON;
1542	goto incr_m_json;	1779	goto incr_m_json;
		1780	}
1543	}	1781	}
1544	else if (!*p)	1782	else if (!*p)
1545	goto interrupt;	1783	goto interrupt;
1546		1784
1547	++p;	1785	++p;
…		…
1553	goto interrupt;	1791	goto interrupt;
1554		1792
1555	++p;	1793	++p;
1556	self->incr_mode = INCR_M_STR;	1794	self->incr_mode = INCR_M_STR;
1557	goto incr_m_str;	1795	goto incr_m_str;
		1796
		1797	// inside #-style comments
		1798	case INCR_M_C0:
		1799	case INCR_M_C1:
		1800	incr_m_c:
		1801	for (;;)
		1802	{
		1803	if (*p == '\n')
		1804	{
		1805	self->incr_mode = self->incr_mode == INCR_M_C0 ? INCR_M_WS : INCR_M_JSON;
		1806	break;
		1807	}
		1808	else if (!*p)
		1809	goto interrupt;
		1810
		1811	++p;
		1812	}
		1813
		1814	break;
1558		1815
1559	// inside a string	1816	// inside a string
1560	case INCR_M_STR:	1817	case INCR_M_STR:
1561	incr_m_str:	1818	incr_m_str:
1562	for (;;)	1819	for (;;)
…		…
1613	self->incr_mode = INCR_M_STR;	1870	self->incr_mode = INCR_M_STR;
1614	goto incr_m_str;	1871	goto incr_m_str;
1615		1872
1616	case '[':	1873	case '[':
1617	case '{':	1874	case '{':
		1875	case '(':
1618	if (++self->incr_nest > self->max_depth)	1876	if (++self->incr_nest > self->max_depth)
1619	croak (ERR_NESTING_EXCEEDED);	1877	croak (ERR_NESTING_EXCEEDED);
1620	break;	1878	break;
1621		1879
1622	case ']':	1880	case ']':
1623	case '}':	1881	case '}':
1624	if (--self->incr_nest <= 0)	1882	if (--self->incr_nest <= 0)
1625	goto interrupt;	1883	goto interrupt;
		1884	break;
		1885
		1886	case ')':
		1887	--self->incr_nest;
		1888	break;
		1889
		1890	case '#':
		1891	self->incr_mode = INCR_M_C1;
		1892	goto incr_m_c;
1626	}	1893	}
1627	}	1894	}
1628	}	1895	}
1629		1896
1630	modechange:	1897	modechange:
1631	;	1898	;
1632	}	1899	}
1633		1900
1634	interrupt:	1901	interrupt:
1635	self->incr_pos = p - SvPVX (self->incr_text);	1902	self->incr_pos = p - SvPVX (self->incr_text);
		1903	//printf ("interrupt<%.*s>\n", self->incr_pos, SvPVX(self->incr_text));//D
1636	//printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D	1904	//printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D
1637	}	1905	}
1638		1906
1639	/////////////////////////////////////////////////////////////////////////////	1907	/////////////////////////////////////////////////////////////////////////////
1640	// XS interface functions	1908	// XS interface functions
…		…
1650	i >= '0' && i <= '9' ? i - '0'	1918	i >= '0' && i <= '9' ? i - '0'
1651	: i >= 'a' && i <= 'f' ? i - 'a' + 10	1919	: i >= 'a' && i <= 'f' ? i - 'a' + 10
1652	: i >= 'A' && i <= 'F' ? i - 'A' + 10	1920	: i >= 'A' && i <= 'F' ? i - 'A' + 10
1653	: -1;	1921	: -1;
1654		1922
1655	json_stash = gv_stashpv ("JSON::XS" , 1);	1923	json_stash = gv_stashpv ("JSON::XS" , 1);
1656	json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1);	1924	types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1);
1657		1925
1658	json_true = get_bool ("JSON::XS::true");	1926	types_true = get_bool ("Types::Serialiser::true");
1659	json_false = get_bool ("JSON::XS::false");	1927	types_false = get_bool ("Types::Serialiser::false");
		1928
		1929	sv_json = newSVpv ("JSON", 0);
		1930	SvREADONLY_on (sv_json);
1660		1931
1661	CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */	1932	CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */
1662	}	1933	}
1663		1934
1664	PROTOTYPES: DISABLE	1935	PROTOTYPES: DISABLE
1665		1936
1666	void CLONE (...)	1937	void CLONE (...)
1667	CODE:	1938	CODE:
1668	json_stash = 0;	1939	json_stash = 0;
1669	json_boolean_stash = 0;	1940	types_boolean_stash = 0;
1670		1941
1671	void new (char *klass)	1942	void new (char *klass)
1672	PPCODE:	1943	PPCODE:
1673	{	1944	{
1674	SV *pv = NEWSV (0, sizeof (JSON));	1945	SV *pv = NEWSV (0, sizeof (JSON));
1675	SvPOK_only (pv);	1946	SvPOK_only (pv);
1676	json_init ((JSON *)SvPVX (pv));	1947	json_init ((JSON *)SvPVX (pv));
1677	XPUSHs (sv_2mortal (sv_bless (	1948	XPUSHs (sv_2mortal (sv_bless (
1678	newRV_noinc (pv),	1949	newRV_noinc (pv),
1679	strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1)	1950	strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1)
…		…
1694	shrink = F_SHRINK	1965	shrink = F_SHRINK
1695	allow_blessed = F_ALLOW_BLESSED	1966	allow_blessed = F_ALLOW_BLESSED
1696	convert_blessed = F_CONV_BLESSED	1967	convert_blessed = F_CONV_BLESSED
1697	relaxed = F_RELAXED	1968	relaxed = F_RELAXED
1698	allow_unknown = F_ALLOW_UNKNOWN	1969	allow_unknown = F_ALLOW_UNKNOWN
		1970	allow_tags = F_ALLOW_TAGS
1699	PPCODE:	1971	PPCODE:
1700	{	1972	{
1701	if (enable)	1973	if (enable)
1702	self->flags \|= ix;	1974	self->flags \|= ix;
1703	else	1975	else
…		…
1719	get_shrink = F_SHRINK	1991	get_shrink = F_SHRINK
1720	get_allow_blessed = F_ALLOW_BLESSED	1992	get_allow_blessed = F_ALLOW_BLESSED
1721	get_convert_blessed = F_CONV_BLESSED	1993	get_convert_blessed = F_CONV_BLESSED
1722	get_relaxed = F_RELAXED	1994	get_relaxed = F_RELAXED
1723	get_allow_unknown = F_ALLOW_UNKNOWN	1995	get_allow_unknown = F_ALLOW_UNKNOWN
		1996	get_allow_tags = F_ALLOW_TAGS
1724	PPCODE:	1997	PPCODE:
1725	XPUSHs (boolSV (self->flags & ix));	1998	XPUSHs (boolSV (self->flags & ix));
1726		1999
1727	void max_depth (JSON *self, U32 max_depth = 0x80000000UL)	2000	void max_depth (JSON *self, U32 max_depth = 0x80000000UL)
1728	PPCODE:	2001	PPCODE:
…		…
1756	}	2029	}
1757		2030
1758	void filter_json_single_key_object (JSON self, SV key, SV *cb = &PL_sv_undef)	2031	void filter_json_single_key_object (JSON self, SV key, SV *cb = &PL_sv_undef)
1759	PPCODE:	2032	PPCODE:
1760	{	2033	{
1761	if (!self->cb_sk_object)	2034	if (!self->cb_sk_object)
1762	self->cb_sk_object = newHV ();	2035	self->cb_sk_object = newHV ();
1763		2036
1764	if (SvOK (cb))	2037	if (SvOK (cb))
1765	hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);	2038	hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);
1766	else	2039	else
…		…
1777	XPUSHs (ST (0));	2050	XPUSHs (ST (0));
1778	}	2051	}
1779		2052
1780	void encode (JSON self, SV scalar)	2053	void encode (JSON self, SV scalar)
1781	PPCODE:	2054	PPCODE:
1782	XPUSHs (encode_json (scalar, self));	2055	PUTBACK; scalar = encode_json (scalar, self); SPAGAIN;
		2056	XPUSHs (scalar);
1783		2057
1784	void decode (JSON self, SV jsonstr)	2058	void decode (JSON self, SV jsonstr)
1785	PPCODE:	2059	PPCODE:
1786	XPUSHs (decode_json (jsonstr, self, 0));	2060	PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN;
		2061	XPUSHs (jsonstr);
1787		2062
1788	void decode_prefix (JSON self, SV jsonstr)	2063	void decode_prefix (JSON self, SV jsonstr)
1789	PPCODE:	2064	PPCODE:
1790	{	2065	{
		2066	SV *sv;
1791	char *offset;	2067	char *offset;
		2068	PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN;
1792	EXTEND (SP, 2);	2069	EXTEND (SP, 2);
1793	PUSHs (decode_json (jsonstr, self, &offset));	2070	PUSHs (sv);
1794	PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset))));	2071	PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset))));
1795	}	2072	}
1796		2073
1797	void incr_parse (JSON self, SV jsonstr = 0)	2074	void incr_parse (JSON self, SV jsonstr = 0)
1798	PPCODE:	2075	PPCODE:
1799	{	2076	{
1800	if (!self->incr_text)	2077	if (!self->incr_text)
1801	self->incr_text = newSVpvn ("", 0);	2078	self->incr_text = newSVpvn ("", 0);
		2079
		2080	/* if utf8-ness doesn't match the decoder, need to upgrade/downgrade */
		2081	if (!DECODE_WANTS_OCTETS (self) == !SvUTF8 (self->incr_text))
		2082	if (DECODE_WANTS_OCTETS (self))
		2083	{
		2084	if (self->incr_pos)
		2085	self->incr_pos = utf8_length ((U8 *)SvPVX (self->incr_text),
		2086	(U8 *)SvPVX (self->incr_text) + self->incr_pos);
		2087
		2088	sv_utf8_downgrade (self->incr_text, 0);
		2089	}
		2090	else
		2091	{
		2092	sv_utf8_upgrade (self->incr_text);
		2093
		2094	if (self->incr_pos)
		2095	self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos)
		2096	- (U8 *)SvPVX (self->incr_text);
		2097	}
1802		2098
1803	// append data, if any	2099	// append data, if any
1804	if (jsonstr)	2100	if (jsonstr)
1805	{	2101	{
		2102	/* make sure both strings have same encoding */
		2103	if (SvUTF8 (jsonstr) != SvUTF8 (self->incr_text))
1806	if (SvUTF8 (jsonstr))	2104	if (SvUTF8 (jsonstr))
		2105	sv_utf8_downgrade (jsonstr, 0);
1807	{	2106	else
1808	if (!SvUTF8 (self->incr_text))
1809	{
1810	/* utf-8-ness differs, need to upgrade */
1811	sv_utf8_upgrade (self->incr_text);
1812
1813	if (self->incr_pos)
1814	self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos)
1815	- (U8 *)SvPVX (self->incr_text);
1816	}
1817	}
1818	else if (SvUTF8 (self->incr_text))
1819	sv_utf8_upgrade (jsonstr);	2107	sv_utf8_upgrade (jsonstr);
1820		2108
		2109	/* and then just blindly append */
1821	{	2110	{
1822	STRLEN len;	2111	STRLEN len;
1823	const char *str = SvPV (jsonstr, len);	2112	const char *str = SvPV (jsonstr, len);
1824	STRLEN cur = SvCUR (self->incr_text);	2113	STRLEN cur = SvCUR (self->incr_text);
1825		2114
…		…
1833	}	2122	}
1834		2123
1835	if (GIMME_V != G_VOID)	2124	if (GIMME_V != G_VOID)
1836	do	2125	do
1837	{	2126	{
		2127	SV *sv;
1838	char *offset;	2128	char *offset;
1839		2129
1840	if (!INCR_DONE (self))	2130	if (!INCR_DONE (self))
1841	{	2131	{
1842	incr_parse (self);	2132	incr_parse (self);
…		…
1844	if (self->incr_pos > self->max_size && self->max_size)	2134	if (self->incr_pos > self->max_size && self->max_size)
1845	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",	2135	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",
1846	(unsigned long)self->incr_pos, (unsigned long)self->max_size);	2136	(unsigned long)self->incr_pos, (unsigned long)self->max_size);
1847		2137
1848	if (!INCR_DONE (self))	2138	if (!INCR_DONE (self))
		2139	{
		2140	// as an optimisation, do not accumulate white space in the incr buffer
		2141	if (self->incr_mode == INCR_M_WS && self->incr_pos)
		2142	{
		2143	self->incr_pos = 0;
		2144	SvCUR_set (self->incr_text, 0);
		2145	}
		2146
1849	break;	2147	break;
		2148	}
1850	}	2149	}
1851		2150
1852	XPUSHs (decode_json (self->incr_text, self, &offset));	2151	PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN;
		2152	XPUSHs (sv);
1853		2153
1854	self->incr_pos -= offset - SvPVX (self->incr_text);	2154	self->incr_pos -= offset - SvPVX (self->incr_text);
1855	self->incr_nest = 0;	2155	self->incr_nest = 0;
1856	self->incr_mode = 0;	2156	self->incr_mode = 0;
1857		2157
…		…
1901	SvREFCNT_dec (self->incr_text);	2201	SvREFCNT_dec (self->incr_text);
1902		2202
1903	PROTOTYPES: ENABLE	2203	PROTOTYPES: ENABLE
1904		2204
1905	void encode_json (SV *scalar)	2205	void encode_json (SV *scalar)
1906	ALIAS:
1907	to_json_ = 0
1908	encode_json = F_UTF8
1909	PPCODE:	2206	PPCODE:
1910	{	2207	{
1911	JSON json;	2208	JSON json;
1912	json_init (&json);	2209	json_init (&json);
1913	json.flags \|= ix;	2210	json.flags \|= F_UTF8;
1914	XPUSHs (encode_json (scalar, &json));	2211	PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN;
		2212	XPUSHs (scalar);
1915	}	2213	}
1916		2214
1917	void decode_json (SV *jsonstr)	2215	void decode_json (SV *jsonstr)
1918	ALIAS:
1919	from_json_ = 0
1920	decode_json = F_UTF8
1921	PPCODE:	2216	PPCODE:
1922	{	2217	{
1923	JSON json;	2218	JSON json;
1924	json_init (&json);	2219	json_init (&json);
1925	json.flags \|= ix;	2220	json.flags \|= F_UTF8;
1926	XPUSHs (decode_json (jsonstr, &json, 0));	2221	PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN;
		2222	XPUSHs (jsonstr);
1927	}	2223	}
1928		2224
1929

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Comparing JSON-XS/XS.xs (file contents): Revision 1.101 by root, Tue Sep 8 18:00:03 2009 UTC vs. Revision 1.124 by root, Mon Nov 24 18:42:51 2014 UTC

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Comparing JSON-XS/XS.xs (file contents):
Revision 1.101 by root, Tue Sep 8 18:00:03 2009 UTC vs.
Revision 1.124 by root, Mon Nov 24 18:42:51 2014 UTC