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

Comparing JSON-XS/XS.xs (file contents):
Revision 1.43 by root, Sat Jun 23 23:49:29 2007 UTC vs.
Revision 1.49 by root, Sun Jul 1 23:40:07 2007 UTC

…		…
15	// guarentees, though. if it breaks, you get to keep the pieces.	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
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
		35	#define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing
31		36
32	#define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH))	37	#define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH))
33		38	#define DEC_SIZE(flags) (1UL << ((flags & F_MAXSIZE ) >> S_MAXSIZE ))
34	// F_SELFCONVERT? <=> to_json/toJson
35	// F_BLESSED? <=> { $__class__$ => }
36		39
37	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER	40	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER
38	#define F_DEFAULT (9UL << S_MAXDEPTH)	41	#define F_DEFAULT (9UL << S_MAXDEPTH)
39		42
40	#define INIT_SIZE 32 // initial scalar size to be allocated	43	#define INIT_SIZE 32 // initial scalar size to be allocated
…		…
54	#endif	57	#endif
55		58
56	#define expect_false(expr) expect ((expr) != 0, 0)	59	#define expect_false(expr) expect ((expr) != 0, 0)
57	#define expect_true(expr) expect ((expr) != 0, 1)	60	#define expect_true(expr) expect ((expr) != 0, 1)
58		61
59	static HV *json_stash; // JSON::XS::	62	static HV json_stash, json_boolean_stash; // JSON::XS::
60	static SV json_true, json_false;	63	static SV json_true, json_false;
		64
		65	typedef struct {
		66	U32 flags;
		67	SV cb_object, cb_sk_object;
		68	} JSON;
61		69
62	/////////////////////////////////////////////////////////////////////////////	70	/////////////////////////////////////////////////////////////////////////////
63	// utility functions	71	// utility functions
64		72
65	static UV *	73	inline void
66	SvJSON (SV *sv)
67	{
68	if (!(SvROK (sv) && SvOBJECT (SvRV (sv)) && SvSTASH (SvRV (sv)) == json_stash))
69	croak ("object is not of type JSON::XS");
70
71	return &SvUVX (SvRV (sv));
72	}
73
74	static void
75	shrink (SV *sv)	74	shrink (SV *sv)
76	{	75	{
77	sv_utf8_downgrade (sv, 1);	76	sv_utf8_downgrade (sv, 1);
78	if (SvLEN (sv) > SvCUR (sv) + 1)	77	if (SvLEN (sv) > SvCUR (sv) + 1)
79	{	78	{
…		…
114	typedef struct	113	typedef struct
115	{	114	{
116	char *cur; // SvPVX (sv) + current output position	115	char *cur; // SvPVX (sv) + current output position
117	char *end; // SvEND (sv)	116	char *end; // SvEND (sv)
118	SV *sv; // result scalar	117	SV *sv; // result scalar
119	U32 flags; // F_*	118	JSON json;
120	U32 indent; // indentation level	119	U32 indent; // indentation level
121	U32 maxdepth; // max. indentation/recursion level	120	U32 maxdepth; // max. indentation/recursion level
122	} enc_t;	121	} enc_t;
123		122
124	inline void	123	inline void
…		…
198	}	197	}
199		198
200	if (uch > 0x10FFFFUL)	199	if (uch > 0x10FFFFUL)
201	croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch);	200	croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch);
202		201
203	if (uch < 0x80 \|\| enc->flags & F_ASCII \|\| (enc->flags & F_LATIN1 && uch > 0xFF))	202	if (uch < 0x80 \|\| enc->json.flags & F_ASCII \|\| (enc->json.flags & F_LATIN1 && uch > 0xFF))
204	{	203	{
205	if (uch > 0xFFFFUL)	204	if (uch > 0xFFFFUL)
206	{	205	{
207	need (enc, len += 11);	206	need (enc, len += 11);
208	sprintf (enc->cur, "\\u%04x\\u%04x",	207	sprintf (enc->cur, "\\u%04x\\u%04x",
…		…
222	*enc->cur++ = hexdigit [(uch >> 0) & 15];	221	*enc->cur++ = hexdigit [(uch >> 0) & 15];
223	}	222	}
224		223
225	str += clen;	224	str += clen;
226	}	225	}
227	else if (enc->flags & F_LATIN1)	226	else if (enc->json.flags & F_LATIN1)
228	{	227	{
229	*enc->cur++ = uch;	228	*enc->cur++ = uch;
230	str += clen;	229	str += clen;
231	}	230	}
232	else if (is_utf8)	231	else if (is_utf8)
…		…
253	}	252	}
254		253
255	inline void	254	inline void
256	encode_indent (enc_t *enc)	255	encode_indent (enc_t *enc)
257	{	256	{
258	if (enc->flags & F_INDENT)	257	if (enc->json.flags & F_INDENT)
259	{	258	{
260	int spaces = enc->indent * INDENT_STEP;	259	int spaces = enc->indent * INDENT_STEP;
261		260
262	need (enc, spaces);	261	need (enc, spaces);
263	memset (enc->cur, ' ', spaces);	262	memset (enc->cur, ' ', spaces);
…		…
273	}	272	}
274		273
275	inline void	274	inline void
276	encode_nl (enc_t *enc)	275	encode_nl (enc_t *enc)
277	{	276	{
278	if (enc->flags & F_INDENT)	277	if (enc->json.flags & F_INDENT)
279	{	278	{
280	need (enc, 1);	279	need (enc, 1);
281	encode_ch (enc, '\n');	280	encode_ch (enc, '\n');
282	}	281	}
283	}	282	}
…		…
285	inline void	284	inline void
286	encode_comma (enc_t *enc)	285	encode_comma (enc_t *enc)
287	{	286	{
288	encode_ch (enc, ',');	287	encode_ch (enc, ',');
289		288
290	if (enc->flags & F_INDENT)	289	if (enc->json.flags & F_INDENT)
291	encode_nl (enc);	290	encode_nl (enc);
292	else if (enc->flags & F_SPACE_AFTER)	291	else if (enc->json.flags & F_SPACE_AFTER)
293	encode_space (enc);	292	encode_space (enc);
294	}	293	}
295		294
296	static void encode_sv (enc_t enc, SV sv);	295	static void encode_sv (enc_t enc, SV sv);
297		296
…		…
340	else	339	else
341	encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he));	340	encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he));
342		341
343	encode_ch (enc, '"');	342	encode_ch (enc, '"');
344		343
345	if (enc->flags & F_SPACE_BEFORE) encode_space (enc);	344	if (enc->json.flags & F_SPACE_BEFORE) encode_space (enc);
346	encode_ch (enc, ':');	345	encode_ch (enc, ':');
347	if (enc->flags & F_SPACE_AFTER ) encode_space (enc);	346	if (enc->json.flags & F_SPACE_AFTER ) encode_space (enc);
348	encode_sv (enc, HeVAL (he));	347	encode_sv (enc, HeVAL (he));
349	}	348	}
350		349
351	// compare hash entries, used when all keys are bytestrings	350	// compare hash entries, used when all keys are bytestrings
352	static int	351	static int
…		…
387	{	386	{
388	// for canonical output we have to sort by keys first	387	// for canonical output we have to sort by keys first
389	// actually, this is mostly due to the stupid so-called	388	// actually, this is mostly due to the stupid so-called
390	// security workaround added somewhere in 5.8.x.	389	// security workaround added somewhere in 5.8.x.
391	// that randomises hash orderings	390	// that randomises hash orderings
392	if (enc->flags & F_CANONICAL)	391	if (enc->json.flags & F_CANONICAL)
393	{	392	{
394	int fast = 1;	393	int fast = 1;
395	HE *he;	394	HE *he;
396	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)	395	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)
397	HE *hes = _alloca (count sizeof (HE));	396	HE *hes = _alloca (count sizeof (HE));
…		…
469	svtype svt;	468	svtype svt;
470		469
471	SvGETMAGIC (sv);	470	SvGETMAGIC (sv);
472	svt = SvTYPE (sv);	471	svt = SvTYPE (sv);
473		472
		473	if (expect_false (SvOBJECT (sv)))
		474	{
		475	if (SvSTASH (sv) == json_boolean_stash)
		476	{
		477	if (SvIV (sv) == 0)
		478	encode_str (enc, "false", 5, 0);
		479	else
		480	encode_str (enc, "true", 4, 0);
		481	}
		482	else
		483	{
		484	#if 0
		485	if (0 && sv_derived_from (rv, "JSON::Literal"))
		486	{
		487	// not yet
		488	}
		489	#endif
		490	if (enc->json.flags & F_CONV_BLESSED)
		491	{
		492	// we re-bless the reference to get overload and other niceties right
		493	GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 1);
		494
		495	if (to_json)
		496	{
		497	dSP; ENTER; SAVETMPS; PUSHMARK (SP);
		498	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv)));
		499
		500	// calling with G_SCALAR ensures that we always get a 1 reutrn value
		501	// check anyways.
		502	PUTBACK;
		503	assert (1 == call_sv ((SV *)GvCV (to_json), G_SCALAR));
		504	SPAGAIN;
		505
		506	encode_sv (enc, POPs);
		507
		508	FREETMPS; LEAVE;
		509	}
		510	else if (enc->json.flags & F_ALLOW_BLESSED)
		511	encode_str (enc, "null", 4, 0);
		512	else
		513	croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it",
		514	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
		515	}
		516	else if (enc->json.flags & F_ALLOW_BLESSED)
		517	encode_str (enc, "null", 4, 0);
		518	else
		519	croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled",
		520	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
		521	}
		522	}
474	if (svt == SVt_PVHV)	523	else if (svt == SVt_PVHV)
475	encode_hv (enc, (HV *)sv);	524	encode_hv (enc, (HV *)sv);
476	else if (svt == SVt_PVAV)	525	else if (svt == SVt_PVAV)
477	encode_av (enc, (AV *)sv);	526	encode_av (enc, (AV *)sv);
478	else if (svt < SVt_PVAV)	527	else if (svt < SVt_PVAV)
479	{	528	{
…		…
558	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",	607	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",
559	SvPV_nolen (sv), SvFLAGS (sv));	608	SvPV_nolen (sv), SvFLAGS (sv));
560	}	609	}
561		610
562	static SV *	611	static SV *
563	encode_json (SV *scalar, U32 flags)	612	encode_json (SV scalar, JSON json)
564	{	613	{
565	enc_t enc;	614	enc_t enc;
566		615
567	if (!(flags & F_ALLOW_NONREF) && !SvROK (scalar))	616	if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar))
568	croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");	617	croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");
569		618
570	enc.flags = flags;	619	enc.json = *json;
571	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));	620	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
572	enc.cur = SvPVX (enc.sv);	621	enc.cur = SvPVX (enc.sv);
573	enc.end = SvEND (enc.sv);	622	enc.end = SvEND (enc.sv);
574	enc.indent = 0;	623	enc.indent = 0;
575	enc.maxdepth = DEC_DEPTH (flags);	624	enc.maxdepth = DEC_DEPTH (enc.json.flags);
576		625
577	SvPOK_only (enc.sv);	626	SvPOK_only (enc.sv);
578	encode_sv (&enc, scalar);	627	encode_sv (&enc, scalar);
579		628
580	SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));	629	SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));
581	*SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings	630	*SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings
582		631
583	if (!(flags & (F_ASCII \| F_LATIN1 \| F_UTF8)))	632	if (!(enc.json.flags & (F_ASCII \| F_LATIN1 \| F_UTF8)))
584	SvUTF8_on (enc.sv);	633	SvUTF8_on (enc.sv);
585		634
586	if (enc.flags & F_SHRINK)	635	if (enc.json.flags & F_SHRINK)
587	shrink (enc.sv);	636	shrink (enc.sv);
588		637
589	return enc.sv;	638	return enc.sv;
590	}	639	}
591		640
…		…
596	typedef struct	645	typedef struct
597	{	646	{
598	char *cur; // current parser pointer	647	char *cur; // current parser pointer
599	char *end; // end of input string	648	char *end; // end of input string
600	const char *err; // parse error, if != 0	649	const char *err; // parse error, if != 0
601	U32 flags; // F_*	650	JSON json;
602	U32 depth; // recursion depth	651	U32 depth; // recursion depth
603	U32 maxdepth; // recursion depth limit	652	U32 maxdepth; // recursion depth limit
604	} dec_t;	653	} dec_t;
605		654
606	inline void	655	inline void
…		…
957	}	1006	}
958		1007
959	static SV *	1008	static SV *
960	decode_hv (dec_t *dec)	1009	decode_hv (dec_t *dec)
961	{	1010	{
		1011	SV *sv;
962	HV *hv = newHV ();	1012	HV *hv = newHV ();
963		1013
964	DEC_INC_DEPTH;	1014	DEC_INC_DEPTH;
965	decode_ws (dec);	1015	decode_ws (dec);
966		1016
967	if (*dec->cur == '}')	1017	if (*dec->cur == '}')
968	++dec->cur;	1018	++dec->cur;
969	else	1019	else
970	for (;;)	1020	for (;;)
971	{	1021	{
972	SV key, value;
973
974	decode_ws (dec); EXPECT_CH ('"');	1022	decode_ws (dec); EXPECT_CH ('"');
975		1023
976	key = decode_str (dec);	1024	// heuristic: assume that
977	if (!key)	1025	// a) decode_str + hv_store_ent are abysmally slow.
978	goto fail;	1026	// b) most hash keys are short, simple ascii text.
		1027	// => try to "fast-match" such strings to avoid
		1028	// the overhead of decode_str + hv_store_ent.
		1029	{
		1030	SV *value;
		1031	char *p = dec->cur;
		1032	char *e = p + 24; // only try up to 24 bytes
979		1033
980	decode_ws (dec); EXPECT_CH (':');	1034	for (;;)
981
982	value = decode_sv (dec);
983	if (!value)
984	{	1035	{
		1036	// the >= 0x80 is true on most architectures
		1037	if (p == e \|\| p < 0x20 \|\| p >= 0x80 \|\| *p == '\\')
		1038	{
		1039	// slow path, back up and use decode_str
		1040	SV *key = decode_str (dec);
		1041	if (!key)
		1042	goto fail;
		1043
		1044	decode_ws (dec); EXPECT_CH (':');
		1045
		1046	value = decode_sv (dec);
		1047	if (!value)
		1048	{
		1049	SvREFCNT_dec (key);
		1050	goto fail;
		1051	}
		1052
		1053	hv_store_ent (hv, key, value, 0);
985	SvREFCNT_dec (key);	1054	SvREFCNT_dec (key);
		1055
		1056	break;
		1057	}
		1058	else if (*p == '"')
		1059	{
		1060	// fast path, got a simple key
		1061	char *key = dec->cur;
		1062	int len = p - key;
		1063	dec->cur = p + 1;
		1064
		1065	decode_ws (dec); EXPECT_CH (':');
		1066
		1067	value = decode_sv (dec);
		1068	if (!value)
986	goto fail;	1069	goto fail;
		1070
		1071	hv_store (hv, key, len, value, 0);
		1072
		1073	break;
		1074	}
		1075
		1076	++p;
987	}	1077	}
988		1078	}
989	hv_store_ent (hv, key, value, 0);
990	SvREFCNT_dec (key);
991		1079
992	decode_ws (dec);	1080	decode_ws (dec);
993		1081
994	if (*dec->cur == '}')	1082	if (*dec->cur == '}')
995	{	1083	{
…		…
1002		1090
1003	++dec->cur;	1091	++dec->cur;
1004	}	1092	}
1005		1093
1006	DEC_DEC_DEPTH;	1094	DEC_DEC_DEPTH;
		1095	sv = newRV_noinc ((SV *)hv);
		1096
		1097	// check filter callbacks
		1098	if (dec->json.flags & F_HOOK)
		1099	{
		1100	ENTER; SAVETMPS;
		1101
		1102	if (HvKEYS (hv) == 1 && dec->json.cb_sk_object)
		1103	{
		1104	int count;
		1105
		1106	dSP; PUSHMARK (SP);
		1107	XPUSHs (sv_2mortal (sv));
		1108
		1109	PUTBACK; count = call_sv (dec->json.cb_sk_object, G_ARRAY); SPAGAIN;
		1110
		1111	if (count == 1)
		1112	sv = newSVsv (POPs);
		1113	else
		1114	SvREFCNT_inc (sv);
		1115	}
		1116
		1117	if (dec->json.cb_object)
		1118	{
		1119	int count;
		1120
		1121	dSP; ENTER; SAVETMPS; PUSHMARK (SP);
		1122	XPUSHs (sv_2mortal (sv));
		1123
		1124	PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN;
		1125
		1126	if (count == 1)
		1127	sv = newSVsv (POPs);
		1128	else
		1129	SvREFCNT_inc (sv);
		1130	}
		1131
		1132	FREETMPS; LEAVE;
		1133	}
		1134
1007	return newRV_noinc ((SV *)hv);	1135	return newRV_noinc ((SV *)hv);
1008		1136
1009	fail:	1137	fail:
1010	SvREFCNT_dec (hv);	1138	SvREFCNT_dec (hv);
1011	DEC_DEC_DEPTH;	1139	DEC_DEC_DEPTH;
…		…
1071	fail:	1199	fail:
1072	return 0;	1200	return 0;
1073	}	1201	}
1074		1202
1075	static SV *	1203	static SV *
1076	decode_json (SV string, U32 flags, UV offset_return)	1204	decode_json (SV string, JSON json, UV *offset_return)
1077	{	1205	{
1078	dec_t dec;	1206	dec_t dec;
1079	UV offset;	1207	UV offset;
1080	SV *sv;	1208	SV *sv;
1081		1209
1082	SvGETMAGIC (string);	1210	SvGETMAGIC (string);
1083	SvUPGRADE (string, SVt_PV);	1211	SvUPGRADE (string, SVt_PV);
1084		1212
		1213	if (json->flags & F_MAXSIZE && SvCUR (string) > DEC_SIZE (json->flags))
		1214	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",
		1215	(unsigned long)SvCUR (string), (unsigned long)DEC_SIZE (json->flags));
		1216
1085	if (flags & F_UTF8)	1217	if (json->flags & F_UTF8)
1086	sv_utf8_downgrade (string, 0);	1218	sv_utf8_downgrade (string, 0);
1087	else	1219	else
1088	sv_utf8_upgrade (string);	1220	sv_utf8_upgrade (string);
1089		1221
1090	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP	1222	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP
1091		1223
1092	dec.flags = flags;	1224	dec.json = *json;
1093	dec.cur = SvPVX (string);	1225	dec.cur = SvPVX (string);
1094	dec.end = SvEND (string);	1226	dec.end = SvEND (string);
1095	dec.err = 0;	1227	dec.err = 0;
1096	dec.depth = 0;	1228	dec.depth = 0;
1097	dec.maxdepth = DEC_DEPTH (dec.flags);	1229	dec.maxdepth = DEC_DEPTH (dec.json.flags);
		1230
		1231	if (dec.json.cb_object \|\| dec.json.cb_sk_object)
		1232	dec.json.flags \|= F_HOOK;
1098		1233
1099	*dec.end = 0; // this should basically be a nop, too, but make sure it's there	1234	*dec.end = 0; // this should basically be a nop, too, but make sure it's there
1100	sv = decode_sv (&dec);	1235	sv = decode_sv (&dec);
1101		1236
1102	if (!(offset_return \|\| !sv))	1237	if (!(offset_return \|\| !sv))
…		…
1112	}	1247	}
1113	}	1248	}
1114		1249
1115	if (offset_return \|\| !sv)	1250	if (offset_return \|\| !sv)
1116	{	1251	{
1117	offset = dec.flags & F_UTF8	1252	offset = dec.json.flags & F_UTF8
1118	? dec.cur - SvPVX (string)	1253	? dec.cur - SvPVX (string)
1119	: utf8_distance (dec.cur, SvPVX (string));	1254	: utf8_distance (dec.cur, SvPVX (string));
1120		1255
1121	if (offset_return)	1256	if (offset_return)
1122	*offset_return = offset;	1257	*offset_return = offset;
…		…
1141	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");	1276	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
1142	}	1277	}
1143		1278
1144	sv = sv_2mortal (sv);	1279	sv = sv_2mortal (sv);
1145		1280
1146	if (!(dec.flags & F_ALLOW_NONREF) && !SvROK (sv))	1281	if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv))
1147	croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");	1282	croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");
1148		1283
1149	return sv;	1284	return sv;
1150	}	1285	}
1151		1286
…		…
1163	i >= '0' && i <= '9' ? i - '0'	1298	i >= '0' && i <= '9' ? i - '0'
1164	: i >= 'a' && i <= 'f' ? i - 'a' + 10	1299	: i >= 'a' && i <= 'f' ? i - 'a' + 10
1165	: i >= 'A' && i <= 'F' ? i - 'A' + 10	1300	: i >= 'A' && i <= 'F' ? i - 'A' + 10
1166	: -1;	1301	: -1;
1167		1302
1168	json_stash = gv_stashpv ("JSON::XS", 1);	1303	json_stash = gv_stashpv ("JSON::XS" , 1);
		1304	json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1);
1169		1305
1170	json_true = get_sv ("JSON::XS::true" , 1); SvREADONLY_on (json_true );	1306	json_true = get_sv ("JSON::XS::true" , 1); SvREADONLY_on (json_true );
1171	json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false);	1307	json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false);
1172	}	1308	}
1173		1309
1174	PROTOTYPES: DISABLE	1310	PROTOTYPES: DISABLE
1175		1311
1176	SV new (char dummy)	1312	void new (char *klass)
1177	CODE:	1313	PPCODE:
1178	RETVAL = sv_bless (newRV_noinc (newSVuv (F_DEFAULT)), json_stash);	1314	{
1179	OUTPUT:	1315	SV *pv = NEWSV (0, sizeof (JSON));
1180	RETVAL	1316	SvPOK_only (pv);
		1317	Zero (SvPVX (pv), 1, JSON);
		1318	((JSON *)SvPVX (pv))->flags = F_DEFAULT;
		1319	XPUSHs (sv_2mortal (sv_bless (newRV_noinc (pv), json_stash)));
		1320	}
1181		1321
1182	SV ascii (SV self, int enable = 1)	1322	void ascii (JSON *self, int enable = 1)
1183	ALIAS:	1323	ALIAS:
1184	ascii = F_ASCII	1324	ascii = F_ASCII
1185	latin1 = F_LATIN1	1325	latin1 = F_LATIN1
1186	utf8 = F_UTF8	1326	utf8 = F_UTF8
1187	indent = F_INDENT	1327	indent = F_INDENT
1188	canonical = F_CANONICAL	1328	canonical = F_CANONICAL
1189	space_before = F_SPACE_BEFORE	1329	space_before = F_SPACE_BEFORE
1190	space_after = F_SPACE_AFTER	1330	space_after = F_SPACE_AFTER
1191	pretty = F_PRETTY	1331	pretty = F_PRETTY
1192	allow_nonref = F_ALLOW_NONREF	1332	allow_nonref = F_ALLOW_NONREF
1193	shrink = F_SHRINK	1333	shrink = F_SHRINK
		1334	allow_blessed = F_ALLOW_BLESSED
		1335	convert_blessed = F_CONV_BLESSED
1194	CODE:	1336	PPCODE:
1195	{	1337	{
1196	UV *uv = SvJSON (self);
1197	if (enable)	1338	if (enable)
1198	*uv \|= ix;	1339	self->flags \|= ix;
1199	else	1340	else
1200	*uv &= ~ix;	1341	self->flags &= ~ix;
1201		1342
1202	RETVAL = newSVsv (self);	1343	XPUSHs (ST (0));
1203	}	1344	}
1204	OUTPUT:
1205	RETVAL
1206		1345
1207	SV max_depth (SV self, UV max_depth = 0x80000000UL)	1346	void max_depth (JSON *self, UV max_depth = 0x80000000UL)
1208	CODE:	1347	PPCODE:
1209	{	1348	{
1210	UV *uv = SvJSON (self);
1211	UV log2 = 0;	1349	UV log2 = 0;
1212		1350
1213	if (max_depth > 0x80000000UL) max_depth = 0x80000000UL;	1351	if (max_depth > 0x80000000UL) max_depth = 0x80000000UL;
1214		1352
1215	while ((1UL << log2) < max_depth)	1353	while ((1UL << log2) < max_depth)
1216	++log2;	1354	++log2;
1217		1355
1218	uv = uv & ~F_MAXDEPTH \| (log2 << S_MAXDEPTH);	1356	self->flags = self->flags & ~F_MAXDEPTH \| (log2 << S_MAXDEPTH);
1219		1357
1220	RETVAL = newSVsv (self);	1358	XPUSHs (ST (0));
1221	}	1359	}
1222	OUTPUT:
1223	RETVAL
1224		1360
1225	void encode (SV self, SV scalar)	1361	void max_size (JSON *self, UV max_size = 0)
1226	PPCODE:	1362	PPCODE:
1227	XPUSHs (encode_json (scalar, *SvJSON (self)));	1363	{
		1364	UV log2 = 0;
1228		1365
1229	void decode (SV self, SV jsonstr)	1366	if (max_size > 0x80000000UL) max_size = 0x80000000UL;
		1367	if (max_size == 1) max_size = 2;
		1368
		1369	while ((1UL << log2) < max_size)
		1370	++log2;
		1371
		1372	self->flags = self->flags & ~F_MAXSIZE \| (log2 << S_MAXSIZE);
		1373
		1374	XPUSHs (ST (0));
		1375	}
		1376
		1377	void filter_json_objects (JSON self, SV cb = &PL_sv_undef)
		1378	ALIAS:
		1379	filter_sk_json_objects = 1
1230	PPCODE:	1380	PPCODE:
		1381	{
		1382	if (!SvOK (cb))
		1383	cb = 0;
		1384
		1385	switch (ix)
		1386	{
		1387	case 0: self->cb_object = cb; break;
		1388	case 1: self->cb_sk_object = cb; break;
		1389	}
		1390
		1391	XPUSHs (ST (0));
		1392	}
		1393
		1394	void encode (JSON self, SV scalar)
		1395	PPCODE:
		1396	XPUSHs (encode_json (scalar, self));
		1397
		1398	void decode (JSON self, SV jsonstr)
		1399	PPCODE:
1231	XPUSHs (decode_json (jsonstr, *SvJSON (self), 0));	1400	XPUSHs (decode_json (jsonstr, self, 0));
1232		1401
1233	void decode_prefix (SV self, SV jsonstr)	1402	void decode_prefix (JSON self, SV jsonstr)
1234	PPCODE:	1403	PPCODE:
1235	{	1404	{
1236	UV offset;	1405	UV offset;
1237	EXTEND (SP, 2);	1406	EXTEND (SP, 2);
1238	PUSHs (decode_json (jsonstr, *SvJSON (self), &offset));	1407	PUSHs (decode_json (jsonstr, self, &offset));
1239	PUSHs (sv_2mortal (newSVuv (offset)));	1408	PUSHs (sv_2mortal (newSVuv (offset)));
1240	}	1409	}
1241		1410
1242	PROTOTYPES: ENABLE	1411	PROTOTYPES: ENABLE
1243		1412
1244	void to_json (SV *scalar)	1413	void to_json (SV *scalar)
1245	ALIAS:
1246	objToJson = 0
1247	PPCODE:	1414	PPCODE:
		1415	{
		1416	JSON json = { F_DEFAULT \| F_UTF8 };
1248	XPUSHs (encode_json (scalar, F_DEFAULT \| F_UTF8));	1417	XPUSHs (encode_json (scalar, &json));
		1418	}
1249		1419
1250	void from_json (SV *jsonstr)	1420	void from_json (SV *jsonstr)
1251	ALIAS:
1252	jsonToObj = 0
1253	PPCODE:	1421	PPCODE:
		1422	{
		1423	JSON json = { F_DEFAULT \| F_UTF8 };
1254	XPUSHs (decode_json (jsonstr, F_DEFAULT \| F_UTF8, 0));	1424	XPUSHs (decode_json (jsonstr, &json, 0));
		1425	}
1255		1426

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Comparing JSON-XS/XS.xs (file contents): Revision 1.43 by root, Sat Jun 23 23:49:29 2007 UTC vs. Revision 1.49 by root, Sun Jul 1 23:40:07 2007 UTC

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Comparing JSON-XS/XS.xs (file contents):
Revision 1.43 by root, Sat Jun 23 23:49:29 2007 UTC vs.
Revision 1.49 by root, Sun Jul 1 23:40:07 2007 UTC