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

Comparing JSON-XS/XS.xs (file contents):
Revision 1.5 by root, Thu Mar 22 23:24:18 2007 UTC vs.
Revision 1.27 by root, Mon Apr 9 05:09:57 2007 UTC

…		…
3	#include "XSUB.h"	3	#include "XSUB.h"
4		4
5	#include "assert.h"	5	#include "assert.h"
6	#include "string.h"	6	#include "string.h"
7	#include "stdlib.h"	7	#include "stdlib.h"
		8	#include "stdio.h"
8		9
		10	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)
		11	# define snprintf _snprintf // C compilers have this in stdio.h
		12	#endif
		13
9	#define F_ASCII 0x00000001	14	#define F_ASCII 0x00000001UL
10	#define F_UTF8 0x00000002	15	#define F_UTF8 0x00000002UL
11	#define F_INDENT 0x00000004	16	#define F_INDENT 0x00000004UL
12	#define F_CANONICAL 0x00000008	17	#define F_CANONICAL 0x00000008UL
13	#define F_SPACE_BEFORE 0x00000010	18	#define F_SPACE_BEFORE 0x00000010UL
14	#define F_SPACE_AFTER 0x00000020	19	#define F_SPACE_AFTER 0x00000020UL
15	#define F_JSON_RPC 0x00000040
16	#define F_ALLOW_NONREF 0x00000080	20	#define F_ALLOW_NONREF 0x00000080UL
		21	#define F_SHRINK 0x00000100UL
		22	#define F_MAXDEPTH 0xf8000000UL
		23	#define S_MAXDEPTH 27
		24
		25	#define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH))
		26
		27	// F_SELFCONVERT? <=> to_json/toJson
		28	// F_BLESSED? <=> { $__class__$ => }
17		29
18	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER	30	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER
19	#define F_DEFAULT 0	31	#define F_DEFAULT (9UL << S_MAXDEPTH)
20		32
21	#define INIT_SIZE 32 // initial scalar size to be allocated	33	#define INIT_SIZE 32 // initial scalar size to be allocated
		34	#define INDENT_STEP 3 // spaces per indentation level
		35
		36	#define UTF8_MAX_LEN 11 // for perls UTF-X: max. number of octets per character
		37	#define SHORT_STRING_LEN 512 // special-case strings of up to this size
22		38
23	#define SB do {	39	#define SB do {
24	#define SE } while (0)	40	#define SE } while (0)
25		41
26	static HV *json_stash;	42	static HV *json_stash; // JSON::XS::
		43
		44	/////////////////////////////////////////////////////////////////////////////
		45	// utility functions
		46
		47	static UV *
		48	SvJSON (SV *sv)
		49	{
		50	if (!(SvROK (sv) && SvOBJECT (SvRV (sv)) && SvSTASH (SvRV (sv)) == json_stash))
		51	croak ("object is not of type JSON::XS");
		52
		53	return &SvUVX (SvRV (sv));
		54	}
		55
		56	static void
		57	shrink (SV *sv)
		58	{
		59	sv_utf8_downgrade (sv, 1);
		60	if (SvLEN (sv) > SvCUR (sv) + 1)
		61	{
		62	#ifdef SvPV_shrink_to_cur
		63	SvPV_shrink_to_cur (sv);
		64	#elif defined (SvPV_renew)
		65	SvPV_renew (sv, SvCUR (sv) + 1);
		66	#endif
		67	}
		68	}
		69
		70	// decode an utf-8 character and return it, or (UV)-1 in
		71	// case of an error.
		72	// we special-case "safe" characters from U+80 .. U+7FF,
		73	// but use the very good perl function to parse anything else.
		74	// note that we never call this function for a ascii codepoints
		75	static UV
		76	decode_utf8 (unsigned char s, STRLEN len, STRLEN clen)
		77	{
		78	if (s[0] > 0xdf \|\| s[0] < 0xc2)
		79	return utf8n_to_uvuni (s, len, clen, UTF8_CHECK_ONLY);
		80	else if (len > 1 && s[1] >= 0x80 && s[1] <= 0xbf)
		81	{
		82	*clen = 2;
		83	return ((s[0] & 0x1f) << 6) \| (s[1] & 0x3f);
		84	}
		85	else
		86	{
		87	*clen = (STRLEN)-1;
		88	return (UV)-1;
		89	}
		90	}
		91
		92	/////////////////////////////////////////////////////////////////////////////
		93	// encoder
27		94
28	// structure used for encoding JSON	95	// structure used for encoding JSON
29	typedef struct	96	typedef struct
30	{	97	{
31	char *cur;	98	char *cur; // SvPVX (sv) + current output position
32	STRLEN len; // SvLEN (sv)
33	char *end; // SvEND (sv)	99	char *end; // SvEND (sv)
34	SV *sv;	100	SV *sv; // result scalar
35	UV flags;	101	U32 flags; // F_*
36	int max_recurse;	102	U32 indent; // indentation level
37	int indent;	103	U32 maxdepth; // max. indentation/recursion level
38	} enc_t;	104	} enc_t;
39
40	// structure used for decoding JSON
41	typedef struct
42	{
43	char *cur;
44	char *end;
45	const char *err;
46	UV flags;
47	} dec_t;
48
49	static UV *
50	SvJSON (SV *sv)
51	{
52	if (!(SvROK (sv) && SvOBJECT (SvRV (sv)) && SvSTASH (SvRV (sv)) == json_stash))
53	croak ("object is not of type JSON::XS");
54
55	return &SvUVX (SvRV (sv));
56	}
57
58	/////////////////////////////////////////////////////////////////////////////
59		105
60	static void	106	static void
61	need (enc_t *enc, STRLEN len)	107	need (enc_t *enc, STRLEN len)
62	{	108	{
63	if (enc->cur + len >= enc->end)	109	if (enc->cur + len >= enc->end)
64	{	110	{
65	STRLEN cur = enc->cur - SvPVX (enc->sv);	111	STRLEN cur = enc->cur - SvPVX (enc->sv);
66	SvGROW (enc->sv, cur + len + 1);	112	SvGROW (enc->sv, cur + len + 1);
67	enc->cur = SvPVX (enc->sv) + cur;	113	enc->cur = SvPVX (enc->sv) + cur;
68	enc->end = SvPVX (enc->sv) + SvLEN (enc->sv);	114	enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;
69	}	115	}
70	}	116	}
71		117
72	static void	118	static void
73	encode_ch (enc_t *enc, char ch)	119	encode_ch (enc_t *enc, char ch)
…		…
85		131
86	while (str < end)	132	while (str < end)
87	{	133	{
88	unsigned char ch = (unsigned char )str;	134	unsigned char ch = (unsigned char )str;
89		135
90	if (ch == '"')	136	if (ch >= 0x20 && ch < 0x80) // most common case
91	{	137	{
		138	if (ch == '"') // but with slow exceptions
		139	{
92	need (enc, len += 1);	140	need (enc, len += 1);
93	*enc->cur++ = '\\';	141	*enc->cur++ = '\\';
94	*enc->cur++ = '"';	142	*enc->cur++ = '"';
95	++str;
96	}	143	}
97	else if (ch == '\\')	144	else if (ch == '\\')
98	{	145	{
99	need (enc, len += 1);	146	need (enc, len += 1);
100	*enc->cur++ = '\\';	147	*enc->cur++ = '\\';
101	*enc->cur++ = '\\';	148	*enc->cur++ = '\\';
102	++str;
103	}	149	}
104	else if (ch >= 0x20 && ch < 0x80) // most common case	150	else
105	{
106	*enc->cur++ = ch;	151	*enc->cur++ = ch;
107	++str;	152
108	}
109	else if (ch == '\015')
110	{
111	need (enc, len += 1);
112	*enc->cur++ = '\\';
113	*enc->cur++ = 'r';
114	++str;
115	}
116	else if (ch == '\012')
117	{
118	need (enc, len += 1);
119	*enc->cur++ = '\\';
120	*enc->cur++ = 'n';
121	++str;	153	++str;
122	}	154	}
123	else	155	else
124	{	156	{
125	STRLEN clen;	157	switch (ch)
126	UV uch;
127
128	if (is_utf8)
129	{	158	{
130	uch = utf8n_to_uvuni (str, end - str, &clen, UTF8_CHECK_ONLY);	159	case '\010': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'b'; ++str; break;
131	if (clen == (STRLEN)-1)	160	case '\011': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 't'; ++str; break;
132	croak ("malformed UTF-8 character in string, cannot convert to JSON");	161	case '\012': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'n'; ++str; break;
133	}	162	case '\014': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'f'; ++str; break;
134	else	163	case '\015': need (enc, len += 1); enc->cur++ = '\\'; enc->cur++ = 'r'; ++str; break;
135	{
136	uch = ch;
137	clen = 1;
138	}
139		164
140	if (uch < 0x80 \|\| enc->flags & F_ASCII)	165	default:
141	{
142	if (uch > 0xFFFFUL)
143	{	166	{
		167	STRLEN clen;
		168	UV uch;
		169
		170	if (is_utf8)
		171	{
		172	//uch = utf8n_to_uvuni (str, end - str, &clen, UTF8_CHECK_ONLY);
		173	uch = decode_utf8 (str, end - str, &clen);
		174	if (clen == (STRLEN)-1)
		175	croak ("malformed or illegal unicode character in string [%.11s], cannot convert to JSON", str);
		176	}
		177	else
		178	{
		179	uch = ch;
		180	clen = 1;
		181	}
		182
		183	if (uch > 0x10FFFFUL)
		184	croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch);
		185
		186	if (uch < 0x80 \|\| enc->flags & F_ASCII)
		187	{
		188	if (uch > 0xFFFFUL)
		189	{
144	need (enc, len += 11);	190	need (enc, len += 11);
145	sprintf (enc->cur, "\\u%04x\\u%04x",	191	sprintf (enc->cur, "\\u%04x\\u%04x",
146	(uch - 0x10000) / 0x400 + 0xD800,	192	(int)((uch - 0x10000) / 0x400 + 0xD800),
147	(uch - 0x10000) % 0x400 + 0xDC00);	193	(int)((uch - 0x10000) % 0x400 + 0xDC00));
148	enc->cur += 12;	194	enc->cur += 12;
		195	}
		196	else
		197	{
		198	static char hexdigit [16] = "0123456789abcdef";
		199	need (enc, len += 5);
		200	*enc->cur++ = '\\';
		201	*enc->cur++ = 'u';
		202	*enc->cur++ = hexdigit [ uch >> 12 ];
		203	*enc->cur++ = hexdigit [(uch >> 8) & 15];
		204	*enc->cur++ = hexdigit [(uch >> 4) & 15];
		205	*enc->cur++ = hexdigit [(uch >> 0) & 15];
		206	}
		207
		208	str += clen;
		209	}
		210	else if (is_utf8)
		211	{
		212	need (enc, len += clen);
		213	do
		214	{
		215	enc->cur++ = str++;
		216	}
		217	while (--clen);
		218	}
		219	else
		220	{
		221	need (enc, len += UTF8_MAX_LEN - 1); // never more than 11 bytes needed
		222	enc->cur = uvuni_to_utf8_flags (enc->cur, uch, 0);
		223	++str;
		224	}
149	}	225	}
150	else
151	{
152	static char hexdigit [16] = "0123456789abcdef";
153	need (enc, len += 5);
154	*enc->cur++ = '\\';
155	*enc->cur++ = 'u';
156	*enc->cur++ = hexdigit [ uch >> 12 ];
157	*enc->cur++ = hexdigit [(uch >> 8) & 15];
158	*enc->cur++ = hexdigit [(uch >> 4) & 15];
159	*enc->cur++ = hexdigit [(uch >> 0) & 15];
160	}
161
162	str += clen;
163	}
164	else if (is_utf8)
165	{
166	need (enc, len += clen);
167	do
168	{
169	enc->cur++ = str++;
170	}
171	while (--clen);
172	}
173	else
174	{
175	need (enc, 10); // never more than 11 bytes needed
176	enc->cur = uvuni_to_utf8_flags (enc->cur, uch, 0);
177	++str;
178	}	226	}
179	}	227	}
180		228
181	--len;	229	--len;
182	}	230	}
183	}	231	}
184		232
185	#define INDENT SB \	233	static void
		234	encode_indent (enc_t *enc)
		235	{
186	if (enc->flags & F_INDENT) \	236	if (enc->flags & F_INDENT)
187	{ \	237	{
188	int i_; \	238	int spaces = enc->indent * INDENT_STEP;
189	need (enc, enc->indent); \
190	for (i_ = enc->indent * 3; i_--; )\
191	encode_ch (enc, ' '); \
192	} \
193	SE
194		239
195	#define SPACE SB need (enc, 1); encode_ch (enc, ' '); SE	240	need (enc, spaces);
196	#define NL SB if (enc->flags & F_INDENT) { need (enc, 1); encode_ch (enc, '\n'); } SE	241	memset (enc->cur, ' ', spaces);
197	#define COMMA SB \	242	enc->cur += spaces;
		243	}
		244	}
		245
		246	static void
		247	encode_space (enc_t *enc)
		248	{
		249	need (enc, 1);
198	encode_ch (enc, ','); \	250	encode_ch (enc, ' ');
		251	}
		252
		253	static void
		254	encode_nl (enc_t *enc)
		255	{
199	if (enc->flags & F_INDENT) \	256	if (enc->flags & F_INDENT)
200	NL; \	257	{
		258	need (enc, 1);
		259	encode_ch (enc, '\n');
		260	}
		261	}
		262
		263	static void
		264	encode_comma (enc_t *enc)
		265	{
		266	encode_ch (enc, ',');
		267
		268	if (enc->flags & F_INDENT)
		269	encode_nl (enc);
201	else if (enc->flags & F_SPACE_AFTER) \	270	else if (enc->flags & F_SPACE_AFTER)
202	SPACE; \	271	encode_space (enc);
203	SE	272	}
204		273
205	static void encode_sv (enc_t enc, SV sv);	274	static void encode_sv (enc_t enc, SV sv);
206		275
207	static void	276	static void
208	encode_av (enc_t enc, AV av)	277	encode_av (enc_t enc, AV av)
209	{	278	{
210	int i, len = av_len (av);	279	int i, len = av_len (av);
211		280
212	encode_ch (enc, '['); NL;	281	if (enc->indent >= enc->maxdepth)
		282	croak ("data structure too deep (hit recursion limit)");
		283
		284	encode_ch (enc, '['); encode_nl (enc);
213	++enc->indent;	285	++enc->indent;
214		286
215	for (i = 0; i <= len; ++i)	287	for (i = 0; i <= len; ++i)
216	{	288	{
217	INDENT;	289	encode_indent (enc);
218	encode_sv (enc, *av_fetch (av, i, 0));	290	encode_sv (enc, *av_fetch (av, i, 0));
219		291
220	if (i < len)	292	if (i < len)
221	COMMA;	293	encode_comma (enc);
222	}	294	}
223		295
224	NL;	296	encode_nl (enc);
225		297
226	--enc->indent;	298	--enc->indent;
227	INDENT; encode_ch (enc, ']');	299	encode_indent (enc); encode_ch (enc, ']');
228	}	300	}
229		301
230	static void	302	static void
231	encode_he (enc_t enc, HE he)	303	encode_he (enc_t enc, HE he)
232	{	304	{
…		…
246	else	318	else
247	encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he));	319	encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he));
248		320
249	encode_ch (enc, '"');	321	encode_ch (enc, '"');
250		322
251	if (enc->flags & F_SPACE_BEFORE) SPACE;	323	if (enc->flags & F_SPACE_BEFORE) encode_space (enc);
252	encode_ch (enc, ':');	324	encode_ch (enc, ':');
253	if (enc->flags & F_SPACE_AFTER ) SPACE;	325	if (enc->flags & F_SPACE_AFTER ) encode_space (enc);
254	encode_sv (enc, HeVAL (he));	326	encode_sv (enc, HeVAL (he));
255	}	327	}
256		328
257	// compare hash entries, used when all keys are bytestrings	329	// compare hash entries, used when all keys are bytestrings
258	static int	330	static int
…		…
264	HE b = (HE **)b_;	336	HE b = (HE **)b_;
265		337
266	STRLEN la = HeKLEN (a);	338	STRLEN la = HeKLEN (a);
267	STRLEN lb = HeKLEN (b);	339	STRLEN lb = HeKLEN (b);
268		340
269	if (!(cmp == memcmp (HeKEY (a), HeKEY (b), la < lb ? la : lb)))	341	if (!(cmp = memcmp (HeKEY (a), HeKEY (b), la < lb ? la : lb)))
270	cmp = la < lb ? -1 : la == lb ? 0 : 1;	342	cmp = la - lb;
271		343
272	return cmp;	344	return cmp;
273	}	345	}
274		346
275	// compare hash entries, used when some keys are sv's or utf-x	347	// compare hash entries, used when some keys are sv's or utf-x
…		…
282	static void	354	static void
283	encode_hv (enc_t enc, HV hv)	355	encode_hv (enc_t enc, HV hv)
284	{	356	{
285	int count, i;	357	int count, i;
286		358
		359	if (enc->indent >= enc->maxdepth)
		360	croak ("data structure too deep (hit recursion limit)");
		361
287	encode_ch (enc, '{'); NL; ++enc->indent;	362	encode_ch (enc, '{'); encode_nl (enc); ++enc->indent;
288		363
289	if ((count = hv_iterinit (hv)))	364	if ((count = hv_iterinit (hv)))
290	{	365	{
291	// for canonical output we have to sort by keys first	366	// for canonical output we have to sort by keys first
292	// actually, this is mostly due to the stupid so-called	367	// actually, this is mostly due to the stupid so-called
293	// security workaround added somewhere in 5.8.x.	368	// security workaround added somewhere in 5.8.x.
294	// that randomises hash orderings	369	// that randomises hash orderings
295	if (enc->flags & F_CANONICAL)	370	if (enc->flags & F_CANONICAL)
296	{	371	{
297	HE he, hes [count];	372	HE he, hes [count]; // if your compiler dies here, you need to enable C99 mode
298	int fast = 1;	373	int fast = 1;
299		374
300	i = 0;	375	i = 0;
301	while ((he = hv_iternext (hv)))	376	while ((he = hv_iternext (hv)))
302	{	377	{
…		…
309		384
310	if (fast)	385	if (fast)
311	qsort (hes, count, sizeof (HE *), he_cmp_fast);	386	qsort (hes, count, sizeof (HE *), he_cmp_fast);
312	else	387	else
313	{	388	{
314	// hack to disable "use bytes"	389	// hack to forcefully disable "use bytes"
315	COP *oldcop = PL_curcop, cop;	390	COP cop = *PL_curcop;
316	cop.op_private = 0;	391	cop.op_private = 0;
		392
		393	ENTER;
		394	SAVETMPS;
		395
		396	SAVEVPTR (PL_curcop);
317	PL_curcop = &cop;	397	PL_curcop = &cop;
318		398
319	SAVETMPS;
320	qsort (hes, count, sizeof (HE *), he_cmp_slow);	399	qsort (hes, count, sizeof (HE *), he_cmp_slow);
		400
321	FREETMPS;	401	FREETMPS;
322		402	LEAVE;
323	PL_curcop = oldcop;
324	}	403	}
325		404
326	for (i = 0; i < count; ++i)	405	for (i = 0; i < count; ++i)
327	{	406	{
328	INDENT;	407	encode_indent (enc);
329	encode_he (enc, hes [i]);	408	encode_he (enc, hes [i]);
330		409
331	if (i < count - 1)	410	if (i < count - 1)
332	COMMA;	411	encode_comma (enc);
333	}	412	}
334		413
335	NL;	414	encode_nl (enc);
336	}	415	}
337	else	416	else
338	{	417	{
339	SV *sv;
340	HE *he = hv_iternext (hv);	418	HE *he = hv_iternext (hv);
341		419
342	for (;;)	420	for (;;)
343	{	421	{
344	INDENT;	422	encode_indent (enc);
345	encode_he (enc, he);	423	encode_he (enc, he);
346		424
347	if (!(he = hv_iternext (hv)))	425	if (!(he = hv_iternext (hv)))
348	break;	426	break;
349		427
350	COMMA;	428	encode_comma (enc);
351	}	429	}
352		430
353	NL;	431	encode_nl (enc);
354	}	432	}
355	}	433	}
356		434
357	--enc->indent; INDENT; encode_ch (enc, '}');	435	--enc->indent; encode_indent (enc); encode_ch (enc, '}');
		436	}
		437
		438	// encode objects, arrays and special \0=false and \1=true values.
		439	static void
		440	encode_rv (enc_t enc, SV sv)
		441	{
		442	svtype svt;
		443
		444	SvGETMAGIC (sv);
		445	svt = SvTYPE (sv);
		446
		447	if (svt == SVt_PVHV)
		448	encode_hv (enc, (HV *)sv);
		449	else if (svt == SVt_PVAV)
		450	encode_av (enc, (AV *)sv);
		451	else if (svt < SVt_PVAV)
		452	{
		453	if (SvNIOK (sv) && SvIV (sv) == 0)
		454	encode_str (enc, "false", 5, 0);
		455	else if (SvNIOK (sv) && SvIV (sv) == 1)
		456	encode_str (enc, "true", 4, 0);
		457	else
		458	croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1",
		459	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
		460	}
		461	else
		462	croak ("encountered %s, but JSON can only represent references to arrays or hashes",
		463	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
358	}	464	}
359		465
360	static void	466	static void
361	encode_sv (enc_t enc, SV sv)	467	encode_sv (enc_t enc, SV sv)
362	{	468	{
…		…
383	SvIsUV(sv)	489	SvIsUV(sv)
384	? snprintf (enc->cur, 64, "%"UVuf, (UV)SvUVX (sv))	490	? snprintf (enc->cur, 64, "%"UVuf, (UV)SvUVX (sv))
385	: snprintf (enc->cur, 64, "%"IVdf, (IV)SvIVX (sv));	491	: snprintf (enc->cur, 64, "%"IVdf, (IV)SvIVX (sv));
386	}	492	}
387	else if (SvROK (sv))	493	else if (SvROK (sv))
388	{	494	encode_rv (enc, SvRV (sv));
389	if (!--enc->max_recurse)
390	croak ("data structure too deep (hit recursion limit)");
391
392	sv = SvRV (sv);
393
394	switch (SvTYPE (sv))
395	{
396	case SVt_PVAV: encode_av (enc, (AV *)sv); break;
397	case SVt_PVHV: encode_hv (enc, (HV *)sv); break;
398
399	default:
400	croak ("JSON can only represent references to arrays or hashes");
401	}
402	}
403	else if (!SvOK (sv))	495	else if (!SvOK (sv))
404	encode_str (enc, "null", 4, 0);	496	encode_str (enc, "null", 4, 0);
405	else	497	else
406	croak ("encountered perl type that JSON cannot handle");	498	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",
		499	SvPV_nolen (sv), SvFLAGS (sv));
407	}	500	}
408		501
409	static SV *	502	static SV *
410	encode_json (SV *scalar, UV flags)	503	encode_json (SV *scalar, U32 flags)
411	{	504	{
		505	enc_t enc;
		506
412	if (!(flags & F_ALLOW_NONREF) && !SvROK (scalar))	507	if (!(flags & F_ALLOW_NONREF) && !SvROK (scalar))
413	croak ("hash- or arraref required (not a simple scalar, use allow_nonref to allow this)");	508	croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");
414		509
415	enc_t enc;
416	enc.flags = flags;	510	enc.flags = flags;
417	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));	511	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
418	enc.cur = SvPVX (enc.sv);	512	enc.cur = SvPVX (enc.sv);
419	enc.end = SvEND (enc.sv);	513	enc.end = SvEND (enc.sv);
420	enc.max_recurse = 0;
421	enc.indent = 0;	514	enc.indent = 0;
		515	enc.maxdepth = DEC_DEPTH (flags);
422		516
423	SvPOK_only (enc.sv);	517	SvPOK_only (enc.sv);
424	encode_sv (&enc, scalar);	518	encode_sv (&enc, scalar);
425		519
426	if (!(flags & (F_ASCII \| F_UTF8)))	520	if (!(flags & (F_ASCII \| F_UTF8)))
427	SvUTF8_on (enc.sv);	521	SvUTF8_on (enc.sv);
428		522
429	SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));	523	SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));
		524	*SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings
		525
		526	if (enc.flags & F_SHRINK)
		527	shrink (enc.sv);
		528
430	return enc.sv;	529	return enc.sv;
431	}	530	}
432		531
433	/////////////////////////////////////////////////////////////////////////////	532	/////////////////////////////////////////////////////////////////////////////
		533	// decoder
434		534
435	#define WS \	535	// structure used for decoding JSON
		536	typedef struct
		537	{
		538	char *cur; // current parser pointer
		539	char *end; // end of input string
		540	const char *err; // parse error, if != 0
		541	U32 flags; // F_*
		542	U32 depth; // recursion depth
		543	U32 maxdepth; // recursion depth limit
		544	} dec_t;
		545
		546	static void
		547	decode_ws (dec_t *dec)
		548	{
436	for (;;) \	549	for (;;)
437	{ \	550	{
438	char ch = *dec->cur; \	551	char ch = *dec->cur;
		552
439	if (ch > 0x20 \	553	if (ch > 0x20
440	\|\| (ch != 0x20 && ch != 0x0a && ch != 0x0d && ch != 0x09)) \	554	\|\| (ch != 0x20 && ch != 0x0a && ch != 0x0d && ch != 0x09))
441	break; \	555	break;
		556
442	++dec->cur; \	557	++dec->cur;
443	}	558	}
		559	}
444		560
445	#define ERR(reason) SB dec->err = reason; goto fail; SE	561	#define ERR(reason) SB dec->err = reason; goto fail; SE
		562
446	#define EXPECT_CH(ch) SB \	563	#define EXPECT_CH(ch) SB \
447	if (*dec->cur != ch) \	564	if (*dec->cur != ch) \
448	ERR (# ch " expected"); \	565	ERR (# ch " expected"); \
449	++dec->cur; \	566	++dec->cur; \
450	SE	567	SE
451		568
		569	#define DEC_INC_DEPTH if (++dec->depth > dec->maxdepth) ERR ("json datastructure exceeds maximum nesting level (set a higher max_depth)")
		570	#define DEC_DEC_DEPTH --dec->depth
		571
452	static SV decode_sv (dec_t dec);	572	static SV decode_sv (dec_t dec);
453		573
454	static signed char decode_hexdigit[256];	574	static signed char decode_hexdigit[256];
455		575
456	static UV	576	static UV
457	decode_4hex (dec_t *dec)	577	decode_4hex (dec_t *dec)
458	{	578	{
459	signed char d1, d2, d3, d4;	579	signed char d1, d2, d3, d4;
		580	unsigned char cur = (unsigned char )dec->cur;
460		581
461	d1 = decode_hexdigit [((unsigned char *)dec->cur) [0]];
462	if (d1 < 0) ERR ("four hexadecimal digits expected");	582	d1 = decode_hexdigit [cur [0]]; if (d1 < 0) ERR ("four hexadecimal digits expected");
463	d2 = decode_hexdigit [((unsigned char *)dec->cur) [1]];
464	if (d2 < 0) ERR ("four hexadecimal digits expected");	583	d2 = decode_hexdigit [cur [1]]; if (d2 < 0) ERR ("four hexadecimal digits expected");
465	d3 = decode_hexdigit [((unsigned char *)dec->cur) [2]];
466	if (d3 < 0) ERR ("four hexadecimal digits expected");	584	d3 = decode_hexdigit [cur [2]]; if (d3 < 0) ERR ("four hexadecimal digits expected");
467	d4 = decode_hexdigit [((unsigned char *)dec->cur) [3]];
468	if (d4 < 0) ERR ("four hexadecimal digits expected");	585	d4 = decode_hexdigit [cur [3]]; if (d4 < 0) ERR ("four hexadecimal digits expected");
469		586
470	dec->cur += 4;	587	dec->cur += 4;
471		588
472	return ((UV)d1) << 12	589	return ((UV)d1) << 12
473	\| ((UV)d2) << 8	590	\| ((UV)d2) << 8
…		…
476		593
477	fail:	594	fail:
478	return (UV)-1;	595	return (UV)-1;
479	}	596	}
480		597
481	#define APPEND_GROW(n) SB \
482	if (cur + (n) >= end) \
483	{ \
484	STRLEN ofs = cur - SvPVX (sv); \
485	SvGROW (sv, ofs + (n) + 1); \
486	cur = SvPVX (sv) + ofs; \
487	end = SvEND (sv); \
488	} \
489	SE
490
491	#define APPEND_CH(ch) SB \
492	APPEND_GROW (1); \
493	*cur++ = (ch); \
494	SE
495
496	static SV *	598	static SV *
497	decode_str (dec_t *dec)	599	decode_str (dec_t *dec)
498	{	600	{
499	SV *sv = NEWSV (0,2);	601	SV *sv = 0;
500	int utf8 = 0;	602	int utf8 = 0;
501	char *cur = SvPVX (sv);
502	char *end = SvEND (sv);
503		603
504	for (;;)	604	do
505	{	605	{
506	unsigned char ch = (unsigned char )dec->cur;	606	char buf [SHORT_STRING_LEN + UTF8_MAX_LEN];
		607	char *cur = buf;
507		608
508	if (ch == '"')	609	do
509	break;
510	else if (ch == '\\')
511	{	610	{
512	switch (*++dec->cur)	611	unsigned char ch = (unsigned char )dec->cur++;
		612
		613	if (ch == '"')
513	{	614	{
514	case '\\':	615	--dec->cur;
515	case '/':	616	break;
516	case '"': APPEND_CH (*dec->cur++); break;	617	}
517		618	else if (ch == '\\')
518	case 'b': APPEND_CH ('\010'); ++dec->cur; break;	619	{
519	case 't': APPEND_CH ('\011'); ++dec->cur; break;	620	switch (*dec->cur)
520	case 'n': APPEND_CH ('\012'); ++dec->cur; break;
521	case 'f': APPEND_CH ('\014'); ++dec->cur; break;
522	case 'r': APPEND_CH ('\015'); ++dec->cur; break;
523
524	case 'u':
525	{	621	{
526	UV lo, hi;	622	case '\\':
527	++dec->cur;	623	case '/':
		624	case '"': cur++ = dec->cur++; break;
528		625
529	hi = decode_4hex (dec);	626	case 'b': ++dec->cur; *cur++ = '\010'; break;
530	if (hi == (UV)-1)	627	case 't': ++dec->cur; *cur++ = '\011'; break;
531	goto fail;	628	case 'n': ++dec->cur; *cur++ = '\012'; break;
		629	case 'f': ++dec->cur; *cur++ = '\014'; break;
		630	case 'r': ++dec->cur; *cur++ = '\015'; break;
532		631
533	// possibly a surrogate pair	632	case 'u':
534	if (hi >= 0xd800 && hi < 0xdc00)
535	{	633	{
536	if (dec->cur [0] != '\\' \|\| dec->cur [1] != 'u')	634	UV lo, hi;
537	ERR ("missing low surrogate character in surrogate pair");
538
539	dec->cur += 2;	635	++dec->cur;
540		636
541	lo = decode_4hex (dec);	637	hi = decode_4hex (dec);
542	if (lo == (UV)-1)	638	if (hi == (UV)-1)
543	goto fail;	639	goto fail;
544		640
		641	// possibly a surrogate pair
		642	if (hi >= 0xd800)
		643	if (hi < 0xdc00)
		644	{
		645	if (dec->cur [0] != '\\' \|\| dec->cur [1] != 'u')
		646	ERR ("missing low surrogate character in surrogate pair");
		647
		648	dec->cur += 2;
		649
		650	lo = decode_4hex (dec);
		651	if (lo == (UV)-1)
		652	goto fail;
		653
545	if (lo < 0xdc00 \|\| lo >= 0xe000)	654	if (lo < 0xdc00 \|\| lo >= 0xe000)
546	ERR ("surrogate pair expected");	655	ERR ("surrogate pair expected");
547		656
548	hi = (hi - 0xD800) * 0x400 + (lo - 0xDC00) + 0x10000;	657	hi = (hi - 0xD800) * 0x400 + (lo - 0xDC00) + 0x10000;
		658	}
		659	else if (hi < 0xe000)
		660	ERR ("missing high surrogate character in surrogate pair");
		661
		662	if (hi >= 0x80)
		663	{
		664	utf8 = 1;
		665
		666	cur = (char *)uvuni_to_utf8_flags (cur, hi, 0);
		667	}
		668	else
		669	*cur++ = hi;
549	}	670	}
550	else if (hi >= 0xdc00 && hi < 0xe000)
551	ERR ("missing high surrogate character in surrogate pair");
552
553	if (hi >= 0x80)
554	{	671	break;
555	utf8 = 1;
556		672
557	APPEND_GROW (4); // at most 4 bytes for 21 bits
558	cur = (char *)uvuni_to_utf8_flags (cur, hi, 0);
559	}
560	else	673	default:
561	APPEND_CH (hi);	674	--dec->cur;
		675	ERR ("illegal backslash escape sequence in string");
562	}	676	}
563	break;	677	}
		678	else if (ch >= 0x20 && ch <= 0x7f)
		679	*cur++ = ch;
		680	else if (ch >= 0x80)
		681	{
		682	STRLEN clen;
		683	UV uch;
564		684
565	default:
566	--dec->cur;	685	--dec->cur;
567	ERR ("illegal backslash escape sequence in string");	686
		687	uch = decode_utf8 (dec->cur, dec->end - dec->cur, &clen);
		688	if (clen == (STRLEN)-1)
		689	ERR ("malformed UTF-8 character in JSON string");
		690
		691	do
		692	cur++ = dec->cur++;
		693	while (--clen);
		694
		695	utf8 = 1;
		696	}
		697	else
		698	{
		699	--dec->cur;
		700
		701	if (!ch)
		702	ERR ("unexpected end of string while parsing JSON string");
		703	else
		704	ERR ("invalid character encountered while parsing JSON string");
568	}	705	}
569	}	706	}
570	else if (ch >= 0x20 && ch <= 0x7f)	707	while (cur < buf + SHORT_STRING_LEN);
571	APPEND_CH (*dec->cur++);	708
572	else if (ch >= 0x80)
573	{	709	{
574	STRLEN clen;	710	STRLEN len = cur - buf;
575	UV uch = utf8n_to_uvuni (dec->cur, dec->end - dec->cur, &clen, UTF8_CHECK_ONLY);
576	if (clen == (STRLEN)-1)
577	ERR ("malformed UTF-8 character in string, cannot convert to JSON");
578		711
579	APPEND_GROW (clen);	712	if (sv)
580	do
581	{	713	{
582	cur++ = dec->cur++;	714	SvGROW (sv, SvCUR (sv) + len + 1);
		715	memcpy (SvPVX (sv) + SvCUR (sv), buf, len);
		716	SvCUR_set (sv, SvCUR (sv) + len);
583	}	717	}
584	while (--clen);
585
586	utf8 = 1;
587	}
588	else if (dec->cur == dec->end)
589	ERR ("unexpected end of string while parsing json string");
590	else	718	else
591	ERR ("invalid character encountered");	719	sv = newSVpvn (buf, len);
592	}	720	}
		721	}
		722	while (*dec->cur != '"');
593		723
594	++dec->cur;	724	++dec->cur;
595		725
596	SvCUR_set (sv, cur - SvPVX (sv));	726	if (sv)
597		727	{
598	SvPOK_only (sv);	728	SvPOK_only (sv);
599	*SvEND (sv) = 0;	729	*SvEND (sv) = 0;
600		730
601	if (utf8)	731	if (utf8)
602	SvUTF8_on (sv);	732	SvUTF8_on (sv);
		733	}
		734	else
		735	sv = newSVpvn ("", 0);
603		736
604	return sv;	737	return sv;
605		738
606	fail:	739	fail:
607	SvREFCNT_dec (sv);
608	return 0;	740	return 0;
609	}	741	}
610		742
611	static SV *	743	static SV *
612	decode_num (dec_t *dec)	744	decode_num (dec_t *dec)
…		…
693	static SV *	825	static SV *
694	decode_av (dec_t *dec)	826	decode_av (dec_t *dec)
695	{	827	{
696	AV *av = newAV ();	828	AV *av = newAV ();
697		829
698	WS;	830	DEC_INC_DEPTH;
		831	decode_ws (dec);
		832
699	if (*dec->cur == ']')	833	if (*dec->cur == ']')
700	++dec->cur;	834	++dec->cur;
701	else	835	else
702	for (;;)	836	for (;;)
703	{	837	{
…		…
707	if (!value)	841	if (!value)
708	goto fail;	842	goto fail;
709		843
710	av_push (av, value);	844	av_push (av, value);
711		845
712	WS;	846	decode_ws (dec);
713		847
714	if (*dec->cur == ']')	848	if (*dec->cur == ']')
715	{	849	{
716	++dec->cur;	850	++dec->cur;
717	break;	851	break;
…		…
721	ERR (", or ] expected while parsing array");	855	ERR (", or ] expected while parsing array");
722		856
723	++dec->cur;	857	++dec->cur;
724	}	858	}
725		859
		860	DEC_DEC_DEPTH;
726	return newRV_noinc ((SV *)av);	861	return newRV_noinc ((SV *)av);
727		862
728	fail:	863	fail:
729	SvREFCNT_dec (av);	864	SvREFCNT_dec (av);
		865	DEC_DEC_DEPTH;
730	return 0;	866	return 0;
731	}	867	}
732		868
733	static SV *	869	static SV *
734	decode_hv (dec_t *dec)	870	decode_hv (dec_t *dec)
735	{	871	{
736	HV *hv = newHV ();	872	HV *hv = newHV ();
737		873
738	WS;	874	DEC_INC_DEPTH;
		875	decode_ws (dec);
		876
739	if (*dec->cur == '}')	877	if (*dec->cur == '}')
740	++dec->cur;	878	++dec->cur;
741	else	879	else
742	for (;;)	880	for (;;)
743	{	881	{
744	SV key, value;	882	SV key, value;
745		883
746	WS; EXPECT_CH ('"');	884	decode_ws (dec); EXPECT_CH ('"');
747		885
748	key = decode_str (dec);	886	key = decode_str (dec);
749	if (!key)	887	if (!key)
750	goto fail;	888	goto fail;
751		889
752	WS; EXPECT_CH (':');	890	decode_ws (dec); EXPECT_CH (':');
753		891
754	value = decode_sv (dec);	892	value = decode_sv (dec);
755	if (!value)	893	if (!value)
756	{	894	{
757	SvREFCNT_dec (key);	895	SvREFCNT_dec (key);
758	goto fail;	896	goto fail;
759	}	897	}
760		898
761	//TODO: optimise
762	hv_store_ent (hv, key, value, 0);	899	hv_store_ent (hv, key, value, 0);
		900	SvREFCNT_dec (key);
763		901
764	WS;	902	decode_ws (dec);
765		903
766	if (*dec->cur == '}')	904	if (*dec->cur == '}')
767	{	905	{
768	++dec->cur;	906	++dec->cur;
769	break;	907	break;
…		…
773	ERR (", or } expected while parsing object/hash");	911	ERR (", or } expected while parsing object/hash");
774		912
775	++dec->cur;	913	++dec->cur;
776	}	914	}
777		915
		916	DEC_DEC_DEPTH;
778	return newRV_noinc ((SV *)hv);	917	return newRV_noinc ((SV *)hv);
779		918
780	fail:	919	fail:
781	SvREFCNT_dec (hv);	920	SvREFCNT_dec (hv);
		921	DEC_DEC_DEPTH;
782	return 0;	922	return 0;
783	}	923	}
784		924
785	static SV *	925	static SV *
786	decode_sv (dec_t *dec)	926	decode_sv (dec_t *dec)
787	{	927	{
788	WS;	928	decode_ws (dec);
789	switch (*dec->cur)	929	switch (*dec->cur)
790	{	930	{
791	case '"': ++dec->cur; return decode_str (dec);	931	case '"': ++dec->cur; return decode_str (dec);
792	case '[': ++dec->cur; return decode_av (dec);	932	case '[': ++dec->cur; return decode_av (dec);
793	case '{': ++dec->cur; return decode_hv (dec);	933	case '{': ++dec->cur; return decode_hv (dec);
…		…
829	ERR ("'null' expected");	969	ERR ("'null' expected");
830		970
831	break;	971	break;
832		972
833	default:	973	default:
834	ERR ("malformed json string");	974	ERR ("malformed JSON string, neither array, object, number, string or atom");
835	break;	975	break;
836	}	976	}
837		977
838	fail:	978	fail:
839	return 0;	979	return 0;
840	}	980	}
841		981
842	static SV *	982	static SV *
843	decode_json (SV *string, UV flags)	983	decode_json (SV *string, U32 flags)
844	{	984	{
		985	dec_t dec;
845	SV *sv;	986	SV *sv;
		987
		988	SvUPGRADE (string, SVt_PV);
846		989
847	if (flags & F_UTF8)	990	if (flags & F_UTF8)
848	sv_utf8_downgrade (string, 0);	991	sv_utf8_downgrade (string, 0);
849	else	992	else
850	sv_utf8_upgrade (string);	993	sv_utf8_upgrade (string);
851		994
852	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP	995	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP
853		996
854	dec_t dec;
855	dec.flags = flags;	997	dec.flags = flags;
856	dec.cur = SvPVX (string);	998	dec.cur = SvPVX (string);
857	dec.end = SvEND (string);	999	dec.end = SvEND (string);
858	dec.err = 0;	1000	dec.err = 0;
		1001	dec.depth = 0;
		1002	dec.maxdepth = DEC_DEPTH (dec.flags);
859		1003
		1004	*dec.end = 0; // this should basically be a nop, too, but make sure its there
860	sv = decode_sv (&dec);	1005	sv = decode_sv (&dec);
861		1006
862	if (!sv)	1007	if (!sv)
863	{	1008	{
		1009	IV offset = dec.flags & F_UTF8
		1010	? dec.cur - SvPVX (string)
864	IV offset = utf8_distance (dec.cur, SvPVX (string));	1011	: utf8_distance (dec.cur, SvPVX (string));
865	SV *uni = sv_newmortal ();	1012	SV *uni = sv_newmortal ();
		1013
866	// horrible hack to silence warning inside pv_uni_display	1014	// horrible hack to silence warning inside pv_uni_display
867	COP cop;	1015	COP cop = *PL_curcop;
868	memset (&cop, 0, sizeof (cop));
869	cop.cop_warnings = pWARN_NONE;	1016	cop.cop_warnings = pWARN_NONE;
		1017	ENTER;
870	SAVEVPTR (PL_curcop);	1018	SAVEVPTR (PL_curcop);
871	PL_curcop = &cop;	1019	PL_curcop = &cop;
872
873	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);	1020	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);
		1021	LEAVE;
		1022
874	croak ("%s, at character offset %d (%s)",	1023	croak ("%s, at character offset %d [\"%s\"]",
875	dec.err,	1024	dec.err,
876	(int)offset,	1025	(int)offset,
877	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");	1026	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
878	}	1027	}
879		1028
880	sv = sv_2mortal (sv);	1029	sv = sv_2mortal (sv);
881		1030
882	if (!(dec.flags & F_ALLOW_NONREF) && !SvROK (sv))	1031	if (!(dec.flags & F_ALLOW_NONREF) && !SvROK (sv))
883	croak ("JSON object or array expected (but number, string, true, false or null found, use allow_nonref to allow this)");	1032	croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");
884		1033
885	return sv;	1034	return sv;
886	}	1035	}
887		1036
		1037	/////////////////////////////////////////////////////////////////////////////
		1038	// XS interface functions
		1039
888	MODULE = JSON::XS PACKAGE = JSON::XS	1040	MODULE = JSON::XS PACKAGE = JSON::XS
889		1041
890	BOOT:	1042	BOOT:
891	{	1043	{
892	int i;	1044	int i;
893		1045
894	memset (decode_hexdigit, 0xff, 256);	1046	memset (decode_hexdigit, 0xff, 256);
		1047
895	for (i = 10; i--; )	1048	for (i = 0; i < 256; ++i)
896	decode_hexdigit ['0' + i] = i;	1049	decode_hexdigit [i] =
897		1050	i >= '0' && i <= '9' ? i - '0'
898	for (i = 7; i--; )	1051	: i >= 'a' && i <= 'f' ? i - 'a' + 10
899	{	1052	: i >= 'A' && i <= 'F' ? i - 'A' + 10
900	decode_hexdigit ['a' + i] = 10 + i;	1053	: -1;
901	decode_hexdigit ['A' + i] = 10 + i;
902	}
903		1054
904	json_stash = gv_stashpv ("JSON::XS", 1);	1055	json_stash = gv_stashpv ("JSON::XS", 1);
905	}	1056	}
906		1057
907	PROTOTYPES: DISABLE	1058	PROTOTYPES: DISABLE
…		…
910	CODE:	1061	CODE:
911	RETVAL = sv_bless (newRV_noinc (newSVuv (F_DEFAULT)), json_stash);	1062	RETVAL = sv_bless (newRV_noinc (newSVuv (F_DEFAULT)), json_stash);
912	OUTPUT:	1063	OUTPUT:
913	RETVAL	1064	RETVAL
914		1065
915	SV ascii (SV self, int enable)	1066	SV ascii (SV self, int enable = 1)
916	ALIAS:	1067	ALIAS:
917	ascii = F_ASCII	1068	ascii = F_ASCII
918	utf8 = F_UTF8	1069	utf8 = F_UTF8
919	indent = F_INDENT	1070	indent = F_INDENT
920	canonical = F_CANONICAL	1071	canonical = F_CANONICAL
921	space_before = F_SPACE_BEFORE	1072	space_before = F_SPACE_BEFORE
922	space_after = F_SPACE_AFTER	1073	space_after = F_SPACE_AFTER
923	json_rpc = F_JSON_RPC
924	pretty = F_PRETTY	1074	pretty = F_PRETTY
925	allow_nonref = F_ALLOW_NONREF	1075	allow_nonref = F_ALLOW_NONREF
		1076	shrink = F_SHRINK
926	CODE:	1077	CODE:
927	{	1078	{
928	UV *uv = SvJSON (self);	1079	UV *uv = SvJSON (self);
929	if (enable)	1080	if (enable)
930	*uv \|= ix;	1081	*uv \|= ix;
…		…
934	RETVAL = newSVsv (self);	1085	RETVAL = newSVsv (self);
935	}	1086	}
936	OUTPUT:	1087	OUTPUT:
937	RETVAL	1088	RETVAL
938		1089
		1090	SV max_depth (SV self, UV max_depth = 0x80000000UL)
		1091	CODE:
		1092	{
		1093	UV *uv = SvJSON (self);
		1094	UV log2 = 0;
		1095
		1096	if (max_depth > 0x80000000UL) max_depth = 0x80000000UL;
		1097
		1098	while ((1UL << log2) < max_depth)
		1099	++log2;
		1100
		1101	uv = uv & ~F_MAXDEPTH \| (log2 << S_MAXDEPTH);
		1102
		1103	RETVAL = newSVsv (self);
		1104	}
		1105	OUTPUT:
		1106	RETVAL
		1107
939	void encode (SV self, SV scalar)	1108	void encode (SV self, SV scalar)
940	PPCODE:	1109	PPCODE:
941	XPUSHs (encode_json (scalar, *SvJSON (self)));	1110	XPUSHs (encode_json (scalar, *SvJSON (self)));
942		1111
943	void decode (SV self, SV jsonstr)	1112	void decode (SV self, SV jsonstr)
…		…
945	XPUSHs (decode_json (jsonstr, *SvJSON (self)));	1114	XPUSHs (decode_json (jsonstr, *SvJSON (self)));
946		1115
947	PROTOTYPES: ENABLE	1116	PROTOTYPES: ENABLE
948		1117
949	void to_json (SV *scalar)	1118	void to_json (SV *scalar)
		1119	ALIAS:
		1120	objToJson = 0
950	PPCODE:	1121	PPCODE:
951	XPUSHs (encode_json (scalar, F_UTF8));	1122	XPUSHs (encode_json (scalar, F_DEFAULT \| F_UTF8));
952		1123
953	void from_json (SV *jsonstr)	1124	void from_json (SV *jsonstr)
		1125	ALIAS:
		1126	jsonToObj = 0
954	PPCODE:	1127	PPCODE:
955	XPUSHs (decode_json (jsonstr, F_UTF8));	1128	XPUSHs (decode_json (jsonstr, F_DEFAULT \| F_UTF8));
956		1129

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Comparing JSON-XS/XS.xs (file contents): Revision 1.5 by root, Thu Mar 22 23:24:18 2007 UTC vs. Revision 1.27 by root, Mon Apr 9 05:09:57 2007 UTC

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Comparing JSON-XS/XS.xs (file contents):
Revision 1.5 by root, Thu Mar 22 23:24:18 2007 UTC vs.
Revision 1.27 by root, Mon Apr 9 05:09:57 2007 UTC