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

Comparing CBOR-XS/XS.xs (file contents):
Revision 1.19 by root, Wed Nov 20 02:03:09 2013 UTC vs.
Revision 1.34 by root, Sat Nov 30 16:19:59 2013 UTC

…		…
19	# define HvNAMELEN(hv) HvNAMELEN_get (hv)	19	# define HvNAMELEN(hv) HvNAMELEN_get (hv)
20	#endif	20	#endif
21	#ifndef HvNAMEUTF8	21	#ifndef HvNAMEUTF8
22	# define HvNAMEUTF8(hv) 0	22	# define HvNAMEUTF8(hv) 0
23	#endif	23	#endif
		24	#ifndef SvREFCNT_dec_NN
		25	# define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv)
		26	#endif
24		27
25	// known tags	28	// known tags
26	enum cbor_tag	29	enum cbor_tag
27	{	30	{
28	// inofficial extensions (pending iana registration)	31	// extensions
		32	CBOR_TAG_STRINGREF = 25, // http://cbor.schmorp.de/stringref
29	CBOR_TAG_PERL_OBJECT = 24, // http://cbor.schmorp.de/perl-object	33	CBOR_TAG_PERL_OBJECT = 26, // http://cbor.schmorp.de/perl-object
30	CBOR_TAG_GENERIC_OBJECT = 25, // http://cbor.schmorp.de/generic-object	34	CBOR_TAG_GENERIC_OBJECT = 27, // http://cbor.schmorp.de/generic-object
31	CBOR_TAG_VALUE_SHAREABLE = 26, // http://cbor.schmorp.de/value-sharing	35	CBOR_TAG_VALUE_SHAREABLE = 28, // http://cbor.schmorp.de/value-sharing
32	CBOR_TAG_VALUE_SHAREDREF = 27, // http://cbor.schmorp.de/value-sharing	36	CBOR_TAG_VALUE_SHAREDREF = 29, // http://cbor.schmorp.de/value-sharing
33	CBOR_TAG_STRINGREF_NAMESPACE = 65537, // http://cbor.schmorp.de/stringref	37	CBOR_TAG_STRINGREF_NAMESPACE = 256, // http://cbor.schmorp.de/stringref
34	CBOR_TAG_STRINGREF = 28, // http://cbor.schmorp.de/stringref
35	CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection	38	CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection
36		39
37	// rfc7049	40	// rfc7049
38	CBOR_TAG_DATETIME = 0, // rfc4287, utf-8	41	CBOR_TAG_DATETIME = 0, // rfc4287, utf-8
39	CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any	42	CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any
…		…
54	CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8	57	CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8
55		58
56	CBOR_TAG_MAGIC = 55799 // self-describe cbor	59	CBOR_TAG_MAGIC = 55799 // self-describe cbor
57	};	60	};
58		61
59	#define F_SHRINK 0x00000001UL	62	#define F_SHRINK 0x00000001UL
60	#define F_ALLOW_UNKNOWN 0x00000002UL	63	#define F_ALLOW_UNKNOWN 0x00000002UL
61	#define F_ALLOW_SHARING 0x00000004UL //TODO	64	#define F_ALLOW_SHARING 0x00000004UL
62	#define F_DEDUP_STRINGS 0x00000008UL //TODO	65	#define F_PACK_STRINGS 0x00000008UL
63	#define F_DEDUP_KEYS 0x00000010UL //TODO
64		66
65	#define INIT_SIZE 32 // initial scalar size to be allocated	67	#define INIT_SIZE 32 // initial scalar size to be allocated
66		68
67	#define SB do {	69	#define SB do {
68	#define SE } while (0)	70	#define SE } while (0)
…		…
80	# define CBOR_SLOW 0	82	# define CBOR_SLOW 0
81	# define CBOR_STASH cbor_stash	83	# define CBOR_STASH cbor_stash
82	#endif	84	#endif
83		85
84	static HV cbor_stash, types_boolean_stash, types_error_stash, cbor_tagged_stash; // CBOR::XS::	86	static HV cbor_stash, types_boolean_stash, types_error_stash, cbor_tagged_stash; // CBOR::XS::
85	static SV types_true, types_false, types_error, sv_cbor;	87	static SV types_true, types_false, types_error, sv_cbor, *default_filter;
86		88
87	typedef struct {	89	typedef struct {
88	U32 flags;	90	U32 flags;
89	U32 max_depth;	91	U32 max_depth;
90	STRLEN max_size;	92	STRLEN max_size;
		93	SV *filter;
91	} CBOR;	94	} CBOR;
92		95
93	ecb_inline void	96	ecb_inline void
94	cbor_init (CBOR *cbor)	97	cbor_init (CBOR *cbor)
95	{	98	{
96	Zero (cbor, 1, CBOR);	99	Zero (cbor, 1, CBOR);
97	cbor->max_depth = 512;	100	cbor->max_depth = 512;
		101	}
		102
		103	ecb_inline void
		104	cbor_free (CBOR *cbor)
		105	{
		106	SvREFCNT_dec (cbor->filter);
98	}	107	}
99		108
100	/////////////////////////////////////////////////////////////////////////////	109	/////////////////////////////////////////////////////////////////////////////
101	// utility functions	110	// utility functions
102		111
…		…
124	SvPV_renew (sv, SvCUR (sv) + 1);	133	SvPV_renew (sv, SvCUR (sv) + 1);
125	#endif	134	#endif
126	}	135	}
127	}	136	}
128		137
		138	// minimum length of a string to be registered for stringref
		139	ecb_inline int
		140	minimum_string_length (UV idx)
		141	{
		142	return idx > 23
		143	? idx > 0xffU
		144	? idx > 0xffffU
		145	? idx > 0xffffffffU
		146	? 11
		147	: 7
		148	: 5
		149	: 4
		150	: 3;
		151	}
		152
129	/////////////////////////////////////////////////////////////////////////////	153	/////////////////////////////////////////////////////////////////////////////
130	// encoder	154	// encoder
131		155
132	// structure used for encoding CBOR	156	// structure used for encoding CBOR
133	typedef struct	157	typedef struct
…		…
135	char *cur; // SvPVX (sv) + current output position	159	char *cur; // SvPVX (sv) + current output position
136	char *end; // SvEND (sv)	160	char *end; // SvEND (sv)
137	SV *sv; // result scalar	161	SV *sv; // result scalar
138	CBOR cbor;	162	CBOR cbor;
139	U32 depth; // recursion level	163	U32 depth; // recursion level
140	HV *stringref; // string => index, or 0	164	HV *stringref[2]; // string => index, or 0 ([0] = bytes, [1] = utf-8)
		165	UV stringref_idx;
141	HV *shareable; // ptr => index, or 0	166	HV *shareable; // ptr => index, or 0
142	UV shareable_idx;	167	UV shareable_idx;
143	} enc_t;	168	} enc_t;
144		169
145	ecb_inline void	170	ecb_inline void
…		…
164	static void	189	static void
165	encode_uint (enc_t *enc, int major, UV len)	190	encode_uint (enc_t *enc, int major, UV len)
166	{	191	{
167	need (enc, 9);	192	need (enc, 9);
168		193
169	if (len < 24)	194	if (ecb_expect_true (len < 24))
170	*enc->cur++ = major \| len;	195	*enc->cur++ = major \| len;
171	else if (len <= 0xff)	196	else if (ecb_expect_true (len <= 0xff))
172	{	197	{
173	*enc->cur++ = major \| 24;	198	*enc->cur++ = major \| 24;
174	*enc->cur++ = len;	199	*enc->cur++ = len;
175	}	200	}
176	else if (len <= 0xffff)	201	else if (len <= 0xffff)
…		…
199	*enc->cur++ = len >> 8;	224	*enc->cur++ = len >> 8;
200	*enc->cur++ = len;	225	*enc->cur++ = len;
201	}	226	}
202	}	227	}
203		228
204	static void	229	ecb_inline void
		230	encode_tag (enc_t *enc, UV tag)
		231	{
		232	encode_uint (enc, 0xc0, tag);
		233	}
		234
		235	ecb_inline void
205	encode_str (enc_t enc, int utf8, char str, STRLEN len)	236	encode_str (enc_t enc, int utf8, char str, STRLEN len)
206	{	237	{
207	encode_uint (enc, utf8 ? 0x60 : 0x40, len);	238	encode_uint (enc, utf8 ? 0x60 : 0x40, len);
208	need (enc, len);	239	need (enc, len);
209	memcpy (enc->cur, str, len);	240	memcpy (enc->cur, str, len);
210	enc->cur += len;	241	enc->cur += len;
211	}	242	}
212		243
213	ecb_inline void	244	static void
214	encode_tag (enc_t *enc, UV tag)	245	encode_strref (enc_t enc, int utf8, char str, STRLEN len)
215	{	246	{
216	encode_uint (enc, 0xc0, tag);	247	if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS))
		248	{
		249	SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1);
		250
		251	if (SvOK (*svp))
		252	{
		253	// already registered, use stringref
		254	encode_tag (enc, CBOR_TAG_STRINGREF);
		255	encode_uint (enc, 0x00, SvUV (*svp));
		256	return;
		257	}
		258	else if (len >= minimum_string_length (enc->stringref_idx))
		259	{
		260	// register only
		261	sv_setuv (*svp, enc->stringref_idx);
		262	++enc->stringref_idx;
		263	}
		264	}
		265
		266	encode_str (enc, utf8, str, len);
217	}	267	}
218		268
219	static void encode_sv (enc_t enc, SV sv);	269	static void encode_sv (enc_t enc, SV sv);
220		270
221	static void	271	static void
…		…
260	while ((he = hv_iternext (hv)))	310	while ((he = hv_iternext (hv)))
261	{	311	{
262	if (HeKLEN (he) == HEf_SVKEY)	312	if (HeKLEN (he) == HEf_SVKEY)
263	encode_sv (enc, HeSVKEY (he));	313	encode_sv (enc, HeSVKEY (he));
264	else	314	else
265	encode_str (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he));	315	encode_strref (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he));
266		316
267	encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he));	317	encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he));
268	}	318	}
269		319
270	if (mg)	320	if (mg)
…		…
276	// encode objects, arrays and special \0=false and \1=true values.	326	// encode objects, arrays and special \0=false and \1=true values.
277	static void	327	static void
278	encode_rv (enc_t enc, SV sv)	328	encode_rv (enc_t enc, SV sv)
279	{	329	{
280	SvGETMAGIC (sv);	330	SvGETMAGIC (sv);
281
282	if (ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)
283	&& ecb_expect_false (SvREFCNT (sv) > 1))
284	{
285	if (!enc->shareable)
286	enc->shareable = (HV )sv_2mortal ((SV )newHV ());
287
288	SV *svp = hv_fetch (enc->shareable, (char )&sv, sizeof (sv), 1);
289
290	if (SvOK (*svp))
291	{
292	encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF);
293	encode_uint (enc, 0x00, SvUV (*svp));
294	return;
295	}
296	else
297	{
298	sv_setuv (*svp, enc->shareable_idx);
299	++enc->shareable_idx;
300	encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE);
301	}
302	}
303		331
304	svtype svt = SvTYPE (sv);	332	svtype svt = SvTYPE (sv);
305		333
306	if (ecb_expect_false (SvOBJECT (sv)))	334	if (ecb_expect_false (SvOBJECT (sv)))
307	{	335	{
…		…
314	HV *tagged_stash = !CBOR_SLOW \|\| cbor_tagged_stash	342	HV *tagged_stash = !CBOR_SLOW \|\| cbor_tagged_stash
315	? cbor_tagged_stash	343	? cbor_tagged_stash
316	: gv_stashpv ("CBOR::XS::Tagged" , 1);	344	: gv_stashpv ("CBOR::XS::Tagged" , 1);
317		345
318	HV *stash = SvSTASH (sv);	346	HV *stash = SvSTASH (sv);
319	GV *method;
320		347
321	if (stash == boolean_stash)	348	if (stash == boolean_stash)
		349	{
322	encode_ch (enc, SvIV (sv) ? 0xe0 \| 21 : 0xe0 \| 20);	350	encode_ch (enc, SvIV (sv) ? 0xe0 \| 21 : 0xe0 \| 20);
		351	return;
		352	}
323	else if (stash == error_stash)	353	else if (stash == error_stash)
		354	{
324	encode_ch (enc, 0xe0 \| 23);	355	encode_ch (enc, 0xe0 \| 23);
		356	return;
		357	}
325	else if (stash == tagged_stash)	358	else if (stash == tagged_stash)
326	{	359	{
327	if (svt != SVt_PVAV)	360	if (svt != SVt_PVAV)
328	croak ("encountered CBOR::XS::Tagged object that isn't an array");	361	croak ("encountered CBOR::XS::Tagged object that isn't an array");
329		362
330	encode_uint (enc, 0xc0, SvUV (av_fetch ((AV )sv, 0, 1)));	363	encode_uint (enc, 0xc0, SvUV (av_fetch ((AV )sv, 0, 1)));
331	encode_sv (enc, av_fetch ((AV )sv, 1, 1));	364	encode_sv (enc, av_fetch ((AV )sv, 1, 1));
		365
		366	return;
		367	}
		368	}
		369
		370	if (ecb_expect_false (SvREFCNT (sv) > 1)
		371	&& ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING))
		372	{
		373	if (!enc->shareable)
		374	enc->shareable = (HV )sv_2mortal ((SV )newHV ());
		375
		376	SV *svp = hv_fetch (enc->shareable, (char )&sv, sizeof (sv), 1);
		377
		378	if (SvOK (*svp))
332	}	379	{
		380	encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF);
		381	encode_uint (enc, 0x00, SvUV (*svp));
		382	return;
		383	}
		384	else
		385	{
		386	sv_setuv (*svp, enc->shareable_idx);
		387	++enc->shareable_idx;
		388	encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE);
		389	}
		390	}
		391
		392	if (ecb_expect_false (SvOBJECT (sv)))
		393	{
		394	HV *stash = SvSTASH (sv);
		395	GV *method;
		396
333	else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0)))	397	if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0)))
334	{	398	{
335	dSP;	399	dSP;
336		400
337	ENTER; SAVETMPS; PUSHMARK (SP);	401	ENTER; SAVETMPS; PUSHMARK (SP);
338	// we re-bless the reference to get overload and other niceties right	402	// we re-bless the reference to get overload and other niceties right
…		…
371	if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv)	435	if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv)
372	croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash));	436	croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash));
373		437
374	encode_tag (enc, CBOR_TAG_PERL_OBJECT);	438	encode_tag (enc, CBOR_TAG_PERL_OBJECT);
375	encode_uint (enc, 0x80, count + 1);	439	encode_uint (enc, 0x80, count + 1);
376	encode_str (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash));	440	encode_strref (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash));
377		441
378	while (count)	442	while (count)
379	encode_sv (enc, SP[1 - count--]);	443	encode_sv (enc, SP[1 - count--]);
380		444
381	PUTBACK;	445	PUTBACK;
…		…
440		504
441	if (SvPOKp (sv))	505	if (SvPOKp (sv))
442	{	506	{
443	STRLEN len;	507	STRLEN len;
444	char *str = SvPV (sv, len);	508	char *str = SvPV (sv, len);
445	encode_str (enc, SvUTF8 (sv), str, len);	509	encode_strref (enc, SvUTF8 (sv), str, len);
446	}	510	}
447	else if (SvNOKp (sv))	511	else if (SvNOKp (sv))
448	encode_nv (enc, sv);	512	encode_nv (enc, sv);
449	else if (SvIOKp (sv))	513	else if (SvIOKp (sv))
450	{	514	{
…		…
475	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));	539	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
476	enc.cur = SvPVX (enc.sv);	540	enc.cur = SvPVX (enc.sv);
477	enc.end = SvEND (enc.sv);	541	enc.end = SvEND (enc.sv);
478		542
479	SvPOK_only (enc.sv);	543	SvPOK_only (enc.sv);
		544
		545	if (cbor->flags & F_PACK_STRINGS)
		546	{
		547	encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE);
		548	enc.stringref[0]= (HV )sv_2mortal ((SV )newHV ());
		549	enc.stringref[1]= (HV )sv_2mortal ((SV )newHV ());
		550	}
		551
480	encode_sv (&enc, scalar);	552	encode_sv (&enc, scalar);
481		553
482	SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));	554	SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));
483	*SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings	555	*SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings
484		556
…		…
499	const char *err; // parse error, if != 0	571	const char *err; // parse error, if != 0
500	CBOR cbor;	572	CBOR cbor;
501	U32 depth; // recursion depth	573	U32 depth; // recursion depth
502	U32 maxdepth; // recursion depth limit	574	U32 maxdepth; // recursion depth limit
503	AV *shareable;	575	AV *shareable;
		576	AV *stringref;
		577	SV *decode_tagged;
504	} dec_t;	578	} dec_t;
505		579
506	#define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE	580	#define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE
507		581
508	#define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data")	582	#define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data")
…		…
540	\| ((UV)dec->cur[-1]);	614	\| ((UV)dec->cur[-1]);
541		615
542	case 27:	616	case 27:
543	WANT (9);	617	WANT (9);
544	dec->cur += 9;	618	dec->cur += 9;
		619
		620	return
		621	#if UVSIZE < 8
		622	0
		623	#else
545	return (((UV)dec->cur[-8]) << 56)	624	(((UV)dec->cur[-8]) << 56)
546	\| (((UV)dec->cur[-7]) << 48)	625	\| (((UV)dec->cur[-7]) << 48)
547	\| (((UV)dec->cur[-6]) << 40)	626	\| (((UV)dec->cur[-6]) << 40)
548	\| (((UV)dec->cur[-5]) << 32)	627	\| (((UV)dec->cur[-5]) << 32)
		628	#endif
549	\| (((UV)dec->cur[-4]) << 24)	629	\| (((UV)dec->cur[-4]) << 24)
550	\| (((UV)dec->cur[-3]) << 16)	630	\| (((UV)dec->cur[-3]) << 16)
551	\| (((UV)dec->cur[-2]) << 8)	631	\| (((UV)dec->cur[-2]) << 8)
552	\| ((UV)dec->cur[-1]);	632	\| ((UV)dec->cur[-1]);
553		633
…		…
606		686
607	static void	687	static void
608	decode_he (dec_t dec, HV hv)	688	decode_he (dec_t dec, HV hv)
609	{	689	{
610	// for speed reasons, we specialcase single-string	690	// for speed reasons, we specialcase single-string
611	// byte or utf-8 strings as keys.	691	// byte or utf-8 strings as keys, but only when !stringref
612		692
		693	if (ecb_expect_true (!dec->stringref))
613	if (dec->cur >= 0x40 && dec->cur <= 0x40 + 27)	694	if (dec->cur >= 0x40 && dec->cur <= 0x40 + 27)
614	{	695	{
615	I32 len = decode_uint (dec);	696	I32 len = decode_uint (dec);
616	char key = (char )dec->cur;	697	char key = (char )dec->cur;
617		698
618	dec->cur += len;	699	dec->cur += len;
619		700
		701	if (ecb_expect_false (dec->stringref))
		702	av_push (dec->stringref, newSVpvn (key, len));
		703
620	hv_store (hv, key, len, decode_sv (dec), 0);	704	hv_store (hv, key, len, decode_sv (dec), 0);
		705
		706	return;
621	}	707	}
622	else if (dec->cur >= 0x60 && dec->cur <= 0x60 + 27)	708	else if (dec->cur >= 0x60 && dec->cur <= 0x60 + 27)
623	{	709	{
624	I32 len = decode_uint (dec);	710	I32 len = decode_uint (dec);
625	char key = (char )dec->cur;	711	char key = (char )dec->cur;
626		712
627	dec->cur += len;	713	dec->cur += len;
628		714
		715	if (ecb_expect_false (dec->stringref))
		716	av_push (dec->stringref, newSVpvn_utf8 (key, len, 1));
		717
629	hv_store (hv, key, -len, decode_sv (dec), 0);	718	hv_store (hv, key, -len, decode_sv (dec), 0);
		719
		720	return;
630	}	721	}
631	else	722
632	{
633	SV *k = decode_sv (dec);	723	SV *k = decode_sv (dec);
634	SV *v = decode_sv (dec);	724	SV *v = decode_sv (dec);
635		725
636	hv_store_ent (hv, k, v, 0);	726	hv_store_ent (hv, k, v, 0);
637	SvREFCNT_dec (k);	727	SvREFCNT_dec (k);
638	}
639	}	728	}
640		729
641	static SV *	730	static SV *
642	decode_hv (dec_t *dec)	731	decode_hv (dec_t *dec)
643	{	732	{
…		…
684	{	773	{
685	SV *sv = 0;	774	SV *sv = 0;
686		775
687	if ((*dec->cur & 31) == 31)	776	if ((*dec->cur & 31) == 31)
688	{	777	{
		778	// indefinite length strings
689	++dec->cur;	779	++dec->cur;
690		780
		781	unsigned char major = *dec->cur & 0xe0;
		782
691	sv = newSVpvn ("", 0);	783	sv = newSVpvn ("", 0);
692		784
693	// not very fast, and certainly not robust against illegal input
694	for (;;)	785	for (;;)
695	{	786	{
696	WANT (1);	787	WANT (1);
697		788
		789	if ((*dec->cur ^ major) >= 31)
698	if (*dec->cur == (0xe0 \| 31))	790	if (*dec->cur == (0xe0 \| 31))
699	{	791	{
700	++dec->cur;	792	++dec->cur;
701	break;	793	break;
702	}	794	}
		795	else
		796	ERR ("corrupted CBOR data (invalid chunks in indefinite length string)");
703		797
704	sv_catsv (sv, decode_sv (dec));	798	STRLEN len = decode_uint (dec);
		799
		800	WANT (len);
		801	sv_catpvn (sv, dec->cur, len);
		802	dec->cur += len;
705	}	803	}
706	}	804	}
707	else	805	else
708	{	806	{
709	STRLEN len = decode_uint (dec);	807	STRLEN len = decode_uint (dec);
710		808
711	WANT (len);	809	WANT (len);
712	sv = newSVpvn (dec->cur, len);	810	sv = newSVpvn (dec->cur, len);
713	dec->cur += len;	811	dec->cur += len;
		812
		813	if (ecb_expect_false (dec->stringref)
		814	&& SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1))
		815	av_push (dec->stringref, SvREFCNT_inc_NN (sv));
714	}	816	}
715		817
716	if (utf8)	818	if (utf8)
717	SvUTF8_on (sv);	819	SvUTF8_on (sv);
718		820
…		…
732	WANT (1);	834	WANT (1);
733		835
734	switch (tag)	836	switch (tag)
735	{	837	{
736	case CBOR_TAG_MAGIC:	838	case CBOR_TAG_MAGIC:
737	return decode_sv (dec);	839	sv = decode_sv (dec);
		840	break;
738		841
739	case CBOR_TAG_INDIRECTION:	842	case CBOR_TAG_INDIRECTION:
740	return newRV_noinc (decode_sv (dec));	843	sv = newRV_noinc (decode_sv (dec));
		844	break;
		845
		846	case CBOR_TAG_STRINGREF_NAMESPACE:
		847	{
		848	ENTER; SAVETMPS;
		849
		850	SAVESPTR (dec->stringref);
		851	dec->stringref = (AV )sv_2mortal ((SV )newAV ());
		852
		853	sv = decode_sv (dec);
		854
		855	FREETMPS; LEAVE;
		856	}
		857	break;
		858
		859	case CBOR_TAG_STRINGREF:
		860	{
		861	if ((*dec->cur >> 5) != 0)
		862	ERR ("corrupted CBOR data (stringref index not an unsigned integer)");
		863
		864	UV idx = decode_uint (dec);
		865
		866	if (!dec->stringref \|\| (int)idx > AvFILLp (dec->stringref))
		867	ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)");
		868
		869	sv = newSVsv (AvARRAY (dec->stringref)[idx]);
		870	}
		871	break;
741		872
742	case CBOR_TAG_VALUE_SHAREABLE:	873	case CBOR_TAG_VALUE_SHAREABLE:
743	{	874	{
744	if (ecb_expect_false (!dec->shareable))	875	if (ecb_expect_false (!dec->shareable))
745	dec->shareable = (AV )sv_2mortal ((SV )newAV ());	876	dec->shareable = (AV )sv_2mortal ((SV )newAV ());
…		…
749		880
750	SV *osv = decode_sv (dec);	881	SV *osv = decode_sv (dec);
751	sv_setsv (sv, osv);	882	sv_setsv (sv, osv);
752	SvREFCNT_dec_NN (osv);	883	SvREFCNT_dec_NN (osv);
753	}	884	}
754		885	break;
755	return sv;
756		886
757	case CBOR_TAG_VALUE_SHAREDREF:	887	case CBOR_TAG_VALUE_SHAREDREF:
758	{	888	{
759	if ((*dec->cur >> 5) != 0)	889	if ((*dec->cur >> 5) != 0)
760	ERR ("corrupted CBOR data (sharedref index not an unsigned integer)");	890	ERR ("corrupted CBOR data (sharedref index not an unsigned integer)");
761		891
762	UV idx = decode_uint (dec);	892	UV idx = decode_uint (dec);
763		893
764	if (!dec->shareable \|\| idx > AvFILLp (dec->shareable))	894	if (!dec->shareable \|\| (int)idx > AvFILLp (dec->shareable))
765	ERR ("corrupted CBOR data (sharedref index out of bounds)");	895	ERR ("corrupted CBOR data (sharedref index out of bounds)");
766		896
767	return SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]);	897	sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]);
768	}	898	}
		899	break;
769		900
770	case CBOR_TAG_PERL_OBJECT:	901	case CBOR_TAG_PERL_OBJECT:
771	{	902	{
772	sv = decode_sv (dec);	903	sv = decode_sv (dec);
773		904
…		…
813	sv = SvREFCNT_inc (POPs);	944	sv = SvREFCNT_inc (POPs);
814		945
815	PUTBACK;	946	PUTBACK;
816		947
817	FREETMPS; LEAVE;	948	FREETMPS; LEAVE;
818
819	return sv;
820	}	949	}
		950	break;
821		951
822	default:	952	default:
823	{	953	{
824	sv = decode_sv (dec);	954	sv = decode_sv (dec);
825		955
		956	dSP;
		957	ENTER; SAVETMPS; PUSHMARK (SP);
		958	EXTEND (SP, 2);
		959	PUSHs (newSVuv (tag));
		960	PUSHs (sv);
		961
		962	PUTBACK;
		963	int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY \| G_EVAL);
		964	SPAGAIN;
		965
		966	if (SvTRUE (ERRSV))
		967	{
		968	FREETMPS; LEAVE;
		969	ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV))));
		970	}
		971
		972	if (count)
		973	{
		974	SvREFCNT_dec (sv);
		975	sv = SvREFCNT_inc (POPs);
		976	}
		977	else
		978	{
826	AV *av = newAV ();	979	AV *av = newAV ();
827	av_push (av, newSVuv (tag));	980	av_push (av, newSVuv (tag));
828	av_push (av, sv);	981	av_push (av, sv);
829		982
830	HV *tagged_stash = !CBOR_SLOW \|\| cbor_tagged_stash	983	HV *tagged_stash = !CBOR_SLOW \|\| cbor_tagged_stash
831	? cbor_tagged_stash	984	? cbor_tagged_stash
832	: gv_stashpv ("CBOR::XS::Tagged" , 1);	985	: gv_stashpv ("CBOR::XS::Tagged" , 1);
833
834	return sv_bless (newRV_noinc ((SV *)av), tagged_stash);	986	sv = sv_bless (newRV_noinc ((SV *)av), tagged_stash);
835	}	987	}
		988
		989	PUTBACK;
		990
		991	FREETMPS; LEAVE;
		992	}
		993	break;
836	}	994	}
		995
		996	return sv;
837		997
838	fail:	998	fail:
839	SvREFCNT_dec (sv);	999	SvREFCNT_dec (sv);
840	return &PL_sv_undef;	1000	return &PL_sv_undef;
841	}	1001	}
…		…
982		1142
983	types_true = get_bool ("Types::Serialiser::true" );	1143	types_true = get_bool ("Types::Serialiser::true" );
984	types_false = get_bool ("Types::Serialiser::false");	1144	types_false = get_bool ("Types::Serialiser::false");
985	types_error = get_bool ("Types::Serialiser::error");	1145	types_error = get_bool ("Types::Serialiser::error");
986		1146
		1147	default_filter = newSVpv ("CBOR::XS::default_filter", 0);
		1148
987	sv_cbor = newSVpv ("CBOR", 0);	1149	sv_cbor = newSVpv ("CBOR", 0);
988	SvREADONLY_on (sv_cbor);	1150	SvREADONLY_on (sv_cbor);
989	}	1151	}
990		1152
991	PROTOTYPES: DISABLE	1153	PROTOTYPES: DISABLE
…		…
1012	void shrink (CBOR *self, int enable = 1)	1174	void shrink (CBOR *self, int enable = 1)
1013	ALIAS:	1175	ALIAS:
1014	shrink = F_SHRINK	1176	shrink = F_SHRINK
1015	allow_unknown = F_ALLOW_UNKNOWN	1177	allow_unknown = F_ALLOW_UNKNOWN
1016	allow_sharing = F_ALLOW_SHARING	1178	allow_sharing = F_ALLOW_SHARING
1017	dedup_keys = F_DEDUP_KEYS
1018	dedup_strings = F_DEDUP_STRINGS	1179	pack_strings = F_PACK_STRINGS
1019	PPCODE:	1180	PPCODE:
1020	{	1181	{
1021	if (enable)	1182	if (enable)
1022	self->flags \|= ix;	1183	self->flags \|= ix;
1023	else	1184	else
…		…
1029	void get_shrink (CBOR *self)	1190	void get_shrink (CBOR *self)
1030	ALIAS:	1191	ALIAS:
1031	get_shrink = F_SHRINK	1192	get_shrink = F_SHRINK
1032	get_allow_unknown = F_ALLOW_UNKNOWN	1193	get_allow_unknown = F_ALLOW_UNKNOWN
1033	get_allow_sharing = F_ALLOW_SHARING	1194	get_allow_sharing = F_ALLOW_SHARING
1034	get_dedup_keys = F_DEDUP_KEYS
1035	get_dedup_strings = F_DEDUP_STRINGS	1195	get_pack_strings = F_PACK_STRINGS
1036	PPCODE:	1196	PPCODE:
1037	XPUSHs (boolSV (self->flags & ix));	1197	XPUSHs (boolSV (self->flags & ix));
1038		1198
1039	void max_depth (CBOR *self, U32 max_depth = 0x80000000UL)	1199	void max_depth (CBOR *self, U32 max_depth = 0x80000000UL)
1040	PPCODE:	1200	PPCODE:
…		…
1053	XPUSHs (ST (0));	1213	XPUSHs (ST (0));
1054		1214
1055	int get_max_size (CBOR *self)	1215	int get_max_size (CBOR *self)
1056	CODE:	1216	CODE:
1057	RETVAL = self->max_size;	1217	RETVAL = self->max_size;
		1218	OUTPUT:
		1219	RETVAL
		1220
		1221	void filter (CBOR self, SV filter = 0)
		1222	PPCODE:
		1223	SvREFCNT_dec (self->filter);
		1224	self->filter = filter ? newSVsv (filter) : filter;
		1225	XPUSHs (ST (0));
		1226
		1227	SV get_filter (CBOR self)
		1228	CODE:
		1229	RETVAL = self->filter ? self->filter : NEWSV (0, 0);
1058	OUTPUT:	1230	OUTPUT:
1059	RETVAL	1231	RETVAL
1060		1232
1061	void encode (CBOR self, SV scalar)	1233	void encode (CBOR self, SV scalar)
1062	PPCODE:	1234	PPCODE:
…		…
1077	EXTEND (SP, 2);	1249	EXTEND (SP, 2);
1078	PUSHs (sv);	1250	PUSHs (sv);
1079	PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr))));	1251	PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr))));
1080	}	1252	}
1081		1253
		1254	void DESTROY (CBOR *self)
		1255	PPCODE:
		1256	cbor_free (self);
		1257
1082	PROTOTYPES: ENABLE	1258	PROTOTYPES: ENABLE
1083		1259
1084	void encode_cbor (SV *scalar)	1260	void encode_cbor (SV *scalar)
1085	PPCODE:	1261	PPCODE:
1086	{	1262	{

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Comparing CBOR-XS/XS.xs (file contents): Revision 1.19 by root, Wed Nov 20 02:03:09 2013 UTC vs. Revision 1.34 by root, Sat Nov 30 16:19:59 2013 UTC

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Comparing CBOR-XS/XS.xs (file contents):
Revision 1.19 by root, Wed Nov 20 02:03:09 2013 UTC vs.
Revision 1.34 by root, Sat Nov 30 16:19:59 2013 UTC