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

Comparing JSON-XS/XS.xs (file contents):
Revision 1.41 by root, Sat Jun 23 22:53:16 2007 UTC vs.
Revision 1.48 by root, Sun Jul 1 22:20:00 2007 UTC

…		…
10	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)	10	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)
11	# define snprintf _snprintf // C compilers have this in stdio.h	11	# define snprintf _snprintf // C compilers have this in stdio.h
12	#endif	12	#endif
13		13
14	// some old perls do not have this, try to make it work, no	14	// some old perls do not have this, try to make it work, no
15	// guarentees, though.	15	// guarentees, though. if it breaks, you get to keep the pieces.
16	#ifndef UTF8_MAXBYTES	16	#ifndef UTF8_MAXBYTES
17	# define UTF8_MAXBYTES 13	17	# define UTF8_MAXBYTES 13
18	#endif	18	#endif
19		19
20	#define F_ASCII 0x00000001UL	20	#define F_ASCII 0x00000001UL
21	#define F_LATIN1 0x00000002UL	21	#define F_LATIN1 0x00000002UL
22	#define F_UTF8 0x00000004UL	22	#define F_UTF8 0x00000004UL
23	#define F_INDENT 0x00000008UL	23	#define F_INDENT 0x00000008UL
24	#define F_CANONICAL 0x00000010UL	24	#define F_CANONICAL 0x00000010UL
25	#define F_SPACE_BEFORE 0x00000020UL	25	#define F_SPACE_BEFORE 0x00000020UL
26	#define F_SPACE_AFTER 0x00000040UL	26	#define F_SPACE_AFTER 0x00000040UL
27	#define F_ALLOW_NONREF 0x00000100UL	27	#define F_ALLOW_NONREF 0x00000100UL
28	#define F_SHRINK 0x00000200UL	28	#define F_SHRINK 0x00000200UL
		29	#define F_ALLOW_BLESSED 0x00000400UL
		30	#define F_CONV_BLESSED 0x00000800UL // NYI
29	#define F_MAXDEPTH 0xf8000000UL	31	#define F_MAXDEPTH 0xf8000000UL
30	#define S_MAXDEPTH 27	32	#define S_MAXDEPTH 27
		33	#define F_MAXSIZE 0x01f00000UL
		34	#define S_MAXSIZE 20
31		35
32	#define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH))	36	#define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH))
33		37	#define DEC_SIZE(flags) (1UL << ((flags & F_MAXSIZE ) >> S_MAXSIZE ))
34	// F_SELFCONVERT? <=> to_json/toJson
35	// F_BLESSED? <=> { $__class__$ => }
36		38
37	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER	39	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER
38	#define F_DEFAULT (9UL << S_MAXDEPTH)	40	#define F_DEFAULT (9UL << S_MAXDEPTH)
39		41
40	#define INIT_SIZE 32 // initial scalar size to be allocated	42	#define INIT_SIZE 32 // initial scalar size to be allocated
…		…
54	#endif	56	#endif
55		57
56	#define expect_false(expr) expect ((expr) != 0, 0)	58	#define expect_false(expr) expect ((expr) != 0, 0)
57	#define expect_true(expr) expect ((expr) != 0, 1)	59	#define expect_true(expr) expect ((expr) != 0, 1)
58		60
59	static HV *json_stash; // JSON::XS::	61	static HV json_stash, json_boolean_stash; // JSON::XS::
		62	static SV json_true, json_false;
		63
		64	typedef struct {
		65	U32 flags;
		66	} JSON;
60		67
61	/////////////////////////////////////////////////////////////////////////////	68	/////////////////////////////////////////////////////////////////////////////
62	// utility functions	69	// utility functions
63		70
64	static UV *	71	inline void
65	SvJSON (SV *sv)
66	{
67	if (!(SvROK (sv) && SvOBJECT (SvRV (sv)) && SvSTASH (SvRV (sv)) == json_stash))
68	croak ("object is not of type JSON::XS");
69
70	return &SvUVX (SvRV (sv));
71	}
72
73	static void
74	shrink (SV *sv)	72	shrink (SV *sv)
75	{	73	{
76	sv_utf8_downgrade (sv, 1);	74	sv_utf8_downgrade (sv, 1);
77	if (SvLEN (sv) > SvCUR (sv) + 1)	75	if (SvLEN (sv) > SvCUR (sv) + 1)
78	{	76	{
…		…
113	typedef struct	111	typedef struct
114	{	112	{
115	char *cur; // SvPVX (sv) + current output position	113	char *cur; // SvPVX (sv) + current output position
116	char *end; // SvEND (sv)	114	char *end; // SvEND (sv)
117	SV *sv; // result scalar	115	SV *sv; // result scalar
118	U32 flags; // F_*	116	JSON json;
119	U32 indent; // indentation level	117	U32 indent; // indentation level
120	U32 maxdepth; // max. indentation/recursion level	118	U32 maxdepth; // max. indentation/recursion level
121	} enc_t;	119	} enc_t;
122		120
123	inline void	121	inline void
…		…
197	}	195	}
198		196
199	if (uch > 0x10FFFFUL)	197	if (uch > 0x10FFFFUL)
200	croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch);	198	croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch);
201		199
202	if (uch < 0x80 \|\| enc->flags & F_ASCII \|\| (enc->flags & F_LATIN1 && uch > 0xFF))	200	if (uch < 0x80 \|\| enc->json.flags & F_ASCII \|\| (enc->json.flags & F_LATIN1 && uch > 0xFF))
203	{	201	{
204	if (uch > 0xFFFFUL)	202	if (uch > 0xFFFFUL)
205	{	203	{
206	need (enc, len += 11);	204	need (enc, len += 11);
207	sprintf (enc->cur, "\\u%04x\\u%04x",	205	sprintf (enc->cur, "\\u%04x\\u%04x",
…		…
221	*enc->cur++ = hexdigit [(uch >> 0) & 15];	219	*enc->cur++ = hexdigit [(uch >> 0) & 15];
222	}	220	}
223		221
224	str += clen;	222	str += clen;
225	}	223	}
226	else if (enc->flags & F_LATIN1)	224	else if (enc->json.flags & F_LATIN1)
227	{	225	{
228	*enc->cur++ = uch;	226	*enc->cur++ = uch;
229	str += clen;	227	str += clen;
230	}	228	}
231	else if (is_utf8)	229	else if (is_utf8)
…		…
252	}	250	}
253		251
254	inline void	252	inline void
255	encode_indent (enc_t *enc)	253	encode_indent (enc_t *enc)
256	{	254	{
257	if (enc->flags & F_INDENT)	255	if (enc->json.flags & F_INDENT)
258	{	256	{
259	int spaces = enc->indent * INDENT_STEP;	257	int spaces = enc->indent * INDENT_STEP;
260		258
261	need (enc, spaces);	259	need (enc, spaces);
262	memset (enc->cur, ' ', spaces);	260	memset (enc->cur, ' ', spaces);
…		…
272	}	270	}
273		271
274	inline void	272	inline void
275	encode_nl (enc_t *enc)	273	encode_nl (enc_t *enc)
276	{	274	{
277	if (enc->flags & F_INDENT)	275	if (enc->json.flags & F_INDENT)
278	{	276	{
279	need (enc, 1);	277	need (enc, 1);
280	encode_ch (enc, '\n');	278	encode_ch (enc, '\n');
281	}	279	}
282	}	280	}
…		…
284	inline void	282	inline void
285	encode_comma (enc_t *enc)	283	encode_comma (enc_t *enc)
286	{	284	{
287	encode_ch (enc, ',');	285	encode_ch (enc, ',');
288		286
289	if (enc->flags & F_INDENT)	287	if (enc->json.flags & F_INDENT)
290	encode_nl (enc);	288	encode_nl (enc);
291	else if (enc->flags & F_SPACE_AFTER)	289	else if (enc->json.flags & F_SPACE_AFTER)
292	encode_space (enc);	290	encode_space (enc);
293	}	291	}
294		292
295	static void encode_sv (enc_t enc, SV sv);	293	static void encode_sv (enc_t enc, SV sv);
296		294
…		…
339	else	337	else
340	encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he));	338	encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he));
341		339
342	encode_ch (enc, '"');	340	encode_ch (enc, '"');
343		341
344	if (enc->flags & F_SPACE_BEFORE) encode_space (enc);	342	if (enc->json.flags & F_SPACE_BEFORE) encode_space (enc);
345	encode_ch (enc, ':');	343	encode_ch (enc, ':');
346	if (enc->flags & F_SPACE_AFTER ) encode_space (enc);	344	if (enc->json.flags & F_SPACE_AFTER ) encode_space (enc);
347	encode_sv (enc, HeVAL (he));	345	encode_sv (enc, HeVAL (he));
348	}	346	}
349		347
350	// compare hash entries, used when all keys are bytestrings	348	// compare hash entries, used when all keys are bytestrings
351	static int	349	static int
…		…
386	{	384	{
387	// for canonical output we have to sort by keys first	385	// for canonical output we have to sort by keys first
388	// actually, this is mostly due to the stupid so-called	386	// actually, this is mostly due to the stupid so-called
389	// security workaround added somewhere in 5.8.x.	387	// security workaround added somewhere in 5.8.x.
390	// that randomises hash orderings	388	// that randomises hash orderings
391	if (enc->flags & F_CANONICAL)	389	if (enc->json.flags & F_CANONICAL)
392	{	390	{
393	int fast = 1;	391	int fast = 1;
394	HE *he;	392	HE *he;
395	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)	393	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)
396	HE *hes = _alloca (count sizeof (HE));	394	HE *hes = _alloca (count sizeof (HE));
…		…
468	svtype svt;	466	svtype svt;
469		467
470	SvGETMAGIC (sv);	468	SvGETMAGIC (sv);
471	svt = SvTYPE (sv);	469	svt = SvTYPE (sv);
472		470
		471	if (expect_false (SvOBJECT (sv)))
		472	{
		473	if (SvSTASH (sv) == json_boolean_stash)
		474	{
		475	if (SvIV (sv) == 0)
		476	encode_str (enc, "false", 5, 0);
		477	else
		478	encode_str (enc, "true", 4, 0);
		479	}
		480	else
		481	{
		482	#if 0
		483	if (0 && sv_derived_from (rv, "JSON::Literal"))
		484	{
		485	// not yet
		486	}
		487	#endif
		488	if (enc->json.flags & F_CONV_BLESSED)
		489	{
		490	// we re-bless the reference to get overload and other niceties right
		491	GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 1);
		492
		493	if (to_json)
		494	{
		495	dSP;
		496	ENTER;
		497	SAVETMPS;
		498	PUSHMARK (SP);
		499	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv)));
		500
		501	// calling with G_SCALAR ensures that we always get a 1 reutrn value
		502	// check anyways.
		503	PUTBACK;
		504	assert (1 == call_sv ((SV *)GvCV (to_json), G_SCALAR));
		505	SPAGAIN;
		506
		507	encode_sv (enc, POPs);
		508
		509	FREETMPS;
		510	LEAVE;
		511	}
		512	else if (enc->json.flags & F_ALLOW_BLESSED)
		513	encode_str (enc, "null", 4, 0);
		514	else
		515	croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it",
		516	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
		517	}
		518	else if (enc->json.flags & F_ALLOW_BLESSED)
		519	encode_str (enc, "null", 4, 0);
		520	else
		521	croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled",
		522	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
		523	}
		524	}
473	if (svt == SVt_PVHV)	525	else if (svt == SVt_PVHV)
474	encode_hv (enc, (HV *)sv);	526	encode_hv (enc, (HV *)sv);
475	else if (svt == SVt_PVAV)	527	else if (svt == SVt_PVAV)
476	encode_av (enc, (AV *)sv);	528	encode_av (enc, (AV *)sv);
477	else if (svt < SVt_PVAV)	529	else if (svt < SVt_PVAV)
478	{	530	{
…		…
557	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",	609	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",
558	SvPV_nolen (sv), SvFLAGS (sv));	610	SvPV_nolen (sv), SvFLAGS (sv));
559	}	611	}
560		612
561	static SV *	613	static SV *
562	encode_json (SV *scalar, U32 flags)	614	encode_json (SV scalar, JSON json)
563	{	615	{
564	enc_t enc;	616	enc_t enc;
565		617
566	if (!(flags & F_ALLOW_NONREF) && !SvROK (scalar))	618	if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar))
567	croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");	619	croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");
568		620
569	enc.flags = flags;	621	enc.json = *json;
570	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));	622	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
571	enc.cur = SvPVX (enc.sv);	623	enc.cur = SvPVX (enc.sv);
572	enc.end = SvEND (enc.sv);	624	enc.end = SvEND (enc.sv);
573	enc.indent = 0;	625	enc.indent = 0;
574	enc.maxdepth = DEC_DEPTH (flags);	626	enc.maxdepth = DEC_DEPTH (enc.json.flags);
575		627
576	SvPOK_only (enc.sv);	628	SvPOK_only (enc.sv);
577	encode_sv (&enc, scalar);	629	encode_sv (&enc, scalar);
578		630
579	SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));	631	SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));
580	*SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings	632	*SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings
581		633
582	if (!(flags & (F_ASCII \| F_LATIN1 \| F_UTF8)))	634	if (!(enc.json.flags & (F_ASCII \| F_LATIN1 \| F_UTF8)))
583	SvUTF8_on (enc.sv);	635	SvUTF8_on (enc.sv);
584		636
585	if (enc.flags & F_SHRINK)	637	if (enc.json.flags & F_SHRINK)
586	shrink (enc.sv);	638	shrink (enc.sv);
587		639
588	return enc.sv;	640	return enc.sv;
589	}	641	}
590		642
…		…
595	typedef struct	647	typedef struct
596	{	648	{
597	char *cur; // current parser pointer	649	char *cur; // current parser pointer
598	char *end; // end of input string	650	char *end; // end of input string
599	const char *err; // parse error, if != 0	651	const char *err; // parse error, if != 0
600	U32 flags; // F_*	652	JSON json;
601	U32 depth; // recursion depth	653	U32 depth; // recursion depth
602	U32 maxdepth; // recursion depth limit	654	U32 maxdepth; // recursion depth limit
603	} dec_t;	655	} dec_t;
604		656
605	inline void	657	inline void
…		…
966	if (*dec->cur == '}')	1018	if (*dec->cur == '}')
967	++dec->cur;	1019	++dec->cur;
968	else	1020	else
969	for (;;)	1021	for (;;)
970	{	1022	{
971	SV key, value;
972
973	decode_ws (dec); EXPECT_CH ('"');	1023	decode_ws (dec); EXPECT_CH ('"');
974		1024
975	key = decode_str (dec);	1025	// heuristic: assume that
976	if (!key)	1026	// a) decode_str + hv_store_ent are abysmally slow.
977	goto fail;	1027	// b) most hash keys are short, simple ascii text.
		1028	// => try to "fast-match" such strings to avoid
		1029	// the overhead of decode_str + hv_store_ent.
		1030	{
		1031	SV *value;
		1032	char *p = dec->cur;
		1033	char *e = p + 24; // only try up to 24 bytes
978		1034
979	decode_ws (dec); EXPECT_CH (':');	1035	for (;;)
980
981	value = decode_sv (dec);
982	if (!value)
983	{	1036	{
		1037	// the >= 0x80 is true on most architectures
		1038	if (p == e \|\| p < 0x20 \|\| p >= 0x80 \|\| *p == '\\')
		1039	{
		1040	// slow path, back up and use decode_str
		1041	SV *key = decode_str (dec);
		1042	if (!key)
		1043	goto fail;
		1044
		1045	decode_ws (dec); EXPECT_CH (':');
		1046
		1047	value = decode_sv (dec);
		1048	if (!value)
		1049	{
		1050	SvREFCNT_dec (key);
		1051	goto fail;
		1052	}
		1053
		1054	hv_store_ent (hv, key, value, 0);
984	SvREFCNT_dec (key);	1055	SvREFCNT_dec (key);
		1056
		1057	break;
		1058	}
		1059	else if (*p == '"')
		1060	{
		1061	// fast path, got a simple key
		1062	char *key = dec->cur;
		1063	int len = p - key;
		1064	dec->cur = p + 1;
		1065
		1066	decode_ws (dec); EXPECT_CH (':');
		1067
		1068	value = decode_sv (dec);
		1069	if (!value)
985	goto fail;	1070	goto fail;
		1071
		1072	hv_store (hv, key, len, value, 0);
		1073
		1074	break;
		1075	}
		1076
		1077	++p;
986	}	1078	}
987		1079	}
988	hv_store_ent (hv, key, value, 0);
989	SvREFCNT_dec (key);
990		1080
991	decode_ws (dec);	1081	decode_ws (dec);
992		1082
993	if (*dec->cur == '}')	1083	if (*dec->cur == '}')
994	{	1084	{
…		…
1031		1121
1032	case 't':	1122	case 't':
1033	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))	1123	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))
1034	{	1124	{
1035	dec->cur += 4;	1125	dec->cur += 4;
1036	return newSViv (1);	1126	return SvREFCNT_inc (json_true);
1037	}	1127	}
1038	else	1128	else
1039	ERR ("'true' expected");	1129	ERR ("'true' expected");
1040		1130
1041	break;	1131	break;
1042		1132
1043	case 'f':	1133	case 'f':
1044	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))	1134	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))
1045	{	1135	{
1046	dec->cur += 5;	1136	dec->cur += 5;
1047	return newSViv (0);	1137	return SvREFCNT_inc (json_false);
1048	}	1138	}
1049	else	1139	else
1050	ERR ("'false' expected");	1140	ERR ("'false' expected");
1051		1141
1052	break;	1142	break;
…		…
1070	fail:	1160	fail:
1071	return 0;	1161	return 0;
1072	}	1162	}
1073		1163
1074	static SV *	1164	static SV *
1075	decode_json (SV string, U32 flags, UV offset_return)	1165	decode_json (SV string, JSON json, UV *offset_return)
1076	{	1166	{
1077	dec_t dec;	1167	dec_t dec;
1078	UV offset;	1168	UV offset;
1079	SV *sv;	1169	SV *sv;
1080		1170
1081	SvGETMAGIC (string);	1171	SvGETMAGIC (string);
1082	SvUPGRADE (string, SVt_PV);	1172	SvUPGRADE (string, SVt_PV);
1083		1173
		1174	if (json->flags & F_MAXSIZE && SvCUR (string) > DEC_SIZE (json->flags))
		1175	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",
		1176	(unsigned long)SvCUR (string), (unsigned long)DEC_SIZE (json->flags));
		1177
1084	if (flags & F_UTF8)	1178	if (json->flags & F_UTF8)
1085	sv_utf8_downgrade (string, 0);	1179	sv_utf8_downgrade (string, 0);
1086	else	1180	else
1087	sv_utf8_upgrade (string);	1181	sv_utf8_upgrade (string);
1088		1182
1089	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP	1183	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP
1090		1184
1091	dec.flags = flags;	1185	dec.json = *json;
1092	dec.cur = SvPVX (string);	1186	dec.cur = SvPVX (string);
1093	dec.end = SvEND (string);	1187	dec.end = SvEND (string);
1094	dec.err = 0;	1188	dec.err = 0;
1095	dec.depth = 0;	1189	dec.depth = 0;
1096	dec.maxdepth = DEC_DEPTH (dec.flags);	1190	dec.maxdepth = DEC_DEPTH (dec.json.flags);
1097		1191
1098	*dec.end = 0; // this should basically be a nop, too, but make sure it's there	1192	*dec.end = 0; // this should basically be a nop, too, but make sure it's there
1099	sv = decode_sv (&dec);	1193	sv = decode_sv (&dec);
1100		1194
1101	if (!(offset_return \|\| !sv))	1195	if (!(offset_return \|\| !sv))
…		…
1111	}	1205	}
1112	}	1206	}
1113		1207
1114	if (offset_return \|\| !sv)	1208	if (offset_return \|\| !sv)
1115	{	1209	{
1116	offset = dec.flags & F_UTF8	1210	offset = dec.json.flags & F_UTF8
1117	? dec.cur - SvPVX (string)	1211	? dec.cur - SvPVX (string)
1118	: utf8_distance (dec.cur, SvPVX (string));	1212	: utf8_distance (dec.cur, SvPVX (string));
1119		1213
1120	if (offset_return)	1214	if (offset_return)
1121	*offset_return = offset;	1215	*offset_return = offset;
…		…
1140	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");	1234	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
1141	}	1235	}
1142		1236
1143	sv = sv_2mortal (sv);	1237	sv = sv_2mortal (sv);
1144		1238
1145	if (!(dec.flags & F_ALLOW_NONREF) && !SvROK (sv))	1239	if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv))
1146	croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");	1240	croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");
1147		1241
1148	return sv;	1242	return sv;
1149	}	1243	}
1150		1244
…		…
1162	i >= '0' && i <= '9' ? i - '0'	1256	i >= '0' && i <= '9' ? i - '0'
1163	: i >= 'a' && i <= 'f' ? i - 'a' + 10	1257	: i >= 'a' && i <= 'f' ? i - 'a' + 10
1164	: i >= 'A' && i <= 'F' ? i - 'A' + 10	1258	: i >= 'A' && i <= 'F' ? i - 'A' + 10
1165	: -1;	1259	: -1;
1166		1260
1167	json_stash = gv_stashpv ("JSON::XS", 1);	1261	json_stash = gv_stashpv ("JSON::XS" , 1);
		1262	json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1);
		1263
		1264	json_true = get_sv ("JSON::XS::true" , 1); SvREADONLY_on (json_true );
		1265	json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false);
1168	}	1266	}
1169		1267
1170	PROTOTYPES: DISABLE	1268	PROTOTYPES: DISABLE
1171		1269
1172	SV new (char dummy)	1270	void new (char *klass)
1173	CODE:	1271	PPCODE:
1174	RETVAL = sv_bless (newRV_noinc (newSVuv (F_DEFAULT)), json_stash);	1272	{
1175	OUTPUT:	1273	SV *pv = NEWSV (0, sizeof (JSON));
1176	RETVAL	1274	SvPOK_only (pv);
		1275	Zero (SvPVX (pv), 1, sizeof (JSON));
		1276	((JSON *)SvPVX (pv))->flags = F_DEFAULT;
		1277	XPUSHs (sv_2mortal (sv_bless (newRV_noinc (pv), json_stash)));
		1278	}
1177		1279
1178	SV ascii (SV self, int enable = 1)	1280	void ascii (JSON *self, int enable = 1)
1179	ALIAS:	1281	ALIAS:
1180	ascii = F_ASCII	1282	ascii = F_ASCII
1181	latin1 = F_LATIN1	1283	latin1 = F_LATIN1
1182	utf8 = F_UTF8	1284	utf8 = F_UTF8
1183	indent = F_INDENT	1285	indent = F_INDENT
1184	canonical = F_CANONICAL	1286	canonical = F_CANONICAL
1185	space_before = F_SPACE_BEFORE	1287	space_before = F_SPACE_BEFORE
1186	space_after = F_SPACE_AFTER	1288	space_after = F_SPACE_AFTER
1187	pretty = F_PRETTY	1289	pretty = F_PRETTY
1188	allow_nonref = F_ALLOW_NONREF	1290	allow_nonref = F_ALLOW_NONREF
1189	shrink = F_SHRINK	1291	shrink = F_SHRINK
		1292	allow_blessed = F_ALLOW_BLESSED
		1293	convert_blessed = F_CONV_BLESSED
1190	CODE:	1294	PPCODE:
1191	{	1295	{
1192	UV *uv = SvJSON (self);
1193	if (enable)	1296	if (enable)
1194	*uv \|= ix;	1297	self->flags \|= ix;
1195	else	1298	else
1196	*uv &= ~ix;	1299	self->flags &= ~ix;
1197		1300
1198	RETVAL = newSVsv (self);	1301	XPUSHs (ST (0));
1199	}	1302	}
1200	OUTPUT:
1201	RETVAL
1202		1303
1203	SV max_depth (SV self, UV max_depth = 0x80000000UL)	1304	void max_depth (JSON *self, UV max_depth = 0x80000000UL)
1204	CODE:	1305	PPCODE:
1205	{	1306	{
1206	UV *uv = SvJSON (self);
1207	UV log2 = 0;	1307	UV log2 = 0;
1208		1308
1209	if (max_depth > 0x80000000UL) max_depth = 0x80000000UL;	1309	if (max_depth > 0x80000000UL) max_depth = 0x80000000UL;
1210		1310
1211	while ((1UL << log2) < max_depth)	1311	while ((1UL << log2) < max_depth)
1212	++log2;	1312	++log2;
1213		1313
1214	uv = uv & ~F_MAXDEPTH \| (log2 << S_MAXDEPTH);	1314	self->flags = self->flags & ~F_MAXDEPTH \| (log2 << S_MAXDEPTH);
1215		1315
1216	RETVAL = newSVsv (self);	1316	XPUSHs (ST (0));
1217	}	1317	}
1218	OUTPUT:
1219	RETVAL
1220		1318
1221	void encode (SV self, SV scalar)	1319	void max_size (JSON *self, UV max_size = 0)
1222	PPCODE:	1320	PPCODE:
1223	XPUSHs (encode_json (scalar, *SvJSON (self)));	1321	{
		1322	UV log2 = 0;
1224		1323
		1324	if (max_size > 0x80000000UL) max_size = 0x80000000UL;
		1325	if (max_size == 1) max_size = 2;
		1326
		1327	while ((1UL << log2) < max_size)
		1328	++log2;
		1329
		1330	self->flags = self->flags & ~F_MAXSIZE \| (log2 << S_MAXSIZE);
		1331
		1332	XPUSHs (ST (0));
		1333	}
		1334
1225	void decode (SV self, SV jsonstr)	1335	void encode (JSON self, SV scalar)
1226	PPCODE:	1336	PPCODE:
		1337	XPUSHs (encode_json (scalar, self));
		1338
		1339	void decode (JSON self, SV jsonstr)
		1340	PPCODE:
1227	XPUSHs (decode_json (jsonstr, *SvJSON (self), 0));	1341	XPUSHs (decode_json (jsonstr, self, 0));
1228		1342
1229	void decode_prefix (SV self, SV jsonstr)	1343	void decode_prefix (JSON self, SV jsonstr)
1230	PPCODE:	1344	PPCODE:
1231	{	1345	{
1232	UV offset;	1346	UV offset;
1233	EXTEND (SP, 2);	1347	EXTEND (SP, 2);
1234	PUSHs (decode_json (jsonstr, *SvJSON (self), &offset));	1348	PUSHs (decode_json (jsonstr, self, &offset));
1235	PUSHs (sv_2mortal (newSVuv (offset)));	1349	PUSHs (sv_2mortal (newSVuv (offset)));
1236	}	1350	}
1237		1351
1238	PROTOTYPES: ENABLE	1352	PROTOTYPES: ENABLE
1239		1353
1240	void to_json (SV *scalar)	1354	void to_json (SV *scalar)
1241	ALIAS:
1242	objToJson = 0
1243	PPCODE:	1355	PPCODE:
		1356	{
		1357	JSON json = { F_DEFAULT \| F_UTF8 };
1244	XPUSHs (encode_json (scalar, F_DEFAULT \| F_UTF8));	1358	XPUSHs (encode_json (scalar, &json));
		1359	}
1245		1360
1246	void from_json (SV *jsonstr)	1361	void from_json (SV *jsonstr)
1247	ALIAS:
1248	jsonToObj = 0
1249	PPCODE:	1362	PPCODE:
		1363	{
		1364	JSON json = { F_DEFAULT \| F_UTF8 };
1250	XPUSHs (decode_json (jsonstr, F_DEFAULT \| F_UTF8, 0));	1365	XPUSHs (decode_json (jsonstr, &json, 0));
		1366	}
1251		1367

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Comparing JSON-XS/XS.xs (file contents): Revision 1.41 by root, Sat Jun 23 22:53:16 2007 UTC vs. Revision 1.48 by root, Sun Jul 1 22:20:00 2007 UTC

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Comparing JSON-XS/XS.xs (file contents):
Revision 1.41 by root, Sat Jun 23 22:53:16 2007 UTC vs.
Revision 1.48 by root, Sun Jul 1 22:20:00 2007 UTC