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Comparing CBOR-XS/XS.xs (file contents):
Revision 1.28 by root, Sat Nov 23 18:30:59 2013 UTC vs.
Revision 1.65 by root, Thu Nov 15 19:52:41 2018 UTC

…		…
6	#include <string.h>	6	#include <string.h>
7	#include <stdlib.h>	7	#include <stdlib.h>
8	#include <stdio.h>	8	#include <stdio.h>
9	#include <limits.h>	9	#include <limits.h>
10	#include <float.h>	10	#include <float.h>
		11	#include <inttypes.h>
11		12
		13	#define ECB_NO_THREADS 1
12	#include "ecb.h"	14	#include "ecb.h"
13		15
14	// compatibility with perl <5.18	16	// compatibility with perl <5.18
15	#ifndef HvNAMELEN_get	17	#ifndef HvNAMELEN_get
16	# define HvNAMELEN_get(hv) strlen (HvNAME (hv))	18	# define HvNAMELEN_get(hv) strlen (HvNAME (hv))
…		…
19	# define HvNAMELEN(hv) HvNAMELEN_get (hv)	21	# define HvNAMELEN(hv) HvNAMELEN_get (hv)
20	#endif	22	#endif
21	#ifndef HvNAMEUTF8	23	#ifndef HvNAMEUTF8
22	# define HvNAMEUTF8(hv) 0	24	# define HvNAMEUTF8(hv) 0
23	#endif	25	#endif
		26	#ifndef SvREFCNT_inc_NN
		27	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		28	#endif
24	#ifndef SvREFCNT_dec_NN	29	#ifndef SvREFCNT_dec_NN
25	# define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv)	30	# define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv)
26	#endif	31	#endif
27		32
		33	// known major and minor types
		34	enum cbor_type
		35	{
		36	MAJOR_SHIFT = 5,
		37	MINOR_MASK = 0x1f,
		38
		39	MAJOR_POS_INT = 0 << MAJOR_SHIFT,
		40	MAJOR_NEG_INT = 1 << MAJOR_SHIFT,
		41	MAJOR_BYTES = 2 << MAJOR_SHIFT,
		42	MAJOR_TEXT = 3 << MAJOR_SHIFT,
		43	MAJOR_ARRAY = 4 << MAJOR_SHIFT,
		44	MAJOR_MAP = 5 << MAJOR_SHIFT,
		45	MAJOR_TAG = 6 << MAJOR_SHIFT,
		46	MAJOR_MISC = 7 << MAJOR_SHIFT,
		47
		48	// INT/STRING/ARRAY/MAP subtypes
		49	LENGTH_EXT1 = 24,
		50	LENGTH_EXT2 = 25,
		51	LENGTH_EXT4 = 26,
		52	LENGTH_EXT8 = 27,
		53
		54	// SIMPLE types (effectively MISC subtypes)
		55	SIMPLE_FALSE = 20,
		56	SIMPLE_TRUE = 21,
		57	SIMPLE_NULL = 22,
		58	SIMPLE_UNDEF = 23,
		59
		60	// MISC subtype (unused)
		61	MISC_EXT1 = 24,
		62	MISC_FLOAT16 = 25,
		63	MISC_FLOAT32 = 26,
		64	MISC_FLOAT64 = 27,
		65
		66	// BYTES/TEXT/ARRAY/MAP
		67	MINOR_INDEF = 31,
		68	};
		69
28	// known tags	70	// known tags
29	enum cbor_tag	71	enum cbor_tag
30	{	72	{
31	// inofficial extensions (pending iana registration)	73	// extensions
		74	CBOR_TAG_STRINGREF = 25, // http://cbor.schmorp.de/stringref
32	CBOR_TAG_PERL_OBJECT = 24, // http://cbor.schmorp.de/perl-object	75	CBOR_TAG_PERL_OBJECT = 26, // http://cbor.schmorp.de/perl-object
33	CBOR_TAG_GENERIC_OBJECT = 25, // http://cbor.schmorp.de/generic-object	76	CBOR_TAG_GENERIC_OBJECT = 27, // http://cbor.schmorp.de/generic-object
34	CBOR_TAG_VALUE_SHAREABLE = 26, // http://cbor.schmorp.de/value-sharing	77	CBOR_TAG_VALUE_SHAREABLE = 28, // http://cbor.schmorp.de/value-sharing
35	CBOR_TAG_VALUE_SHAREDREF = 27, // http://cbor.schmorp.de/value-sharing	78	CBOR_TAG_VALUE_SHAREDREF = 29, // http://cbor.schmorp.de/value-sharing
36	CBOR_TAG_STRINGREF_NAMESPACE = 65537, // http://cbor.schmorp.de/stringref	79	CBOR_TAG_STRINGREF_NAMESPACE = 256, // http://cbor.schmorp.de/stringref
37	CBOR_TAG_STRINGREF = 28, // http://cbor.schmorp.de/stringref
38	CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection	80	CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection
39		81
40	// rfc7049	82	// rfc7049
41	CBOR_TAG_DATETIME = 0, // rfc4287, utf-8	83	CBOR_TAG_DATETIME = 0, // rfc4287, utf-8
42	CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any	84	CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any
43	CBOR_TAG_POS_BIGNUM = 2, // byte string	85	CBOR_TAG_POS_BIGNUM = 2, // byte string
44	CBOR_TAG_NEG_BIGNUM = 3, // byte string	86	CBOR_TAG_NEG_BIGNUM = 3, // byte string
45	CBOR_TAG_DECIMAL = 4, // decimal fraction, array	87	CBOR_TAG_DECIMAL = 4, // decimal fraction, array
46	CBOR_TAG_BIGFLOAT = 5, // array	88	CBOR_TAG_BIGFLOAT = 5, // array
47		89
48	CBOR_TAG_CONV_B64U = 21, // base64url, any	90	CBOR_TAG_CONV_B64U = 21, // base64url, any
49	CBOR_TAG_CONV_B64 = 22, // base64, any	91	CBOR_TAG_CONV_B64 = 22, // base64, any
50	CBOR_TAG_CONV_HEX = 23, // base16, any	92	CBOR_TAG_CONV_HEX = 23, // base16, any
51	CBOR_TAG_CBOR = 24, // embedded cbor, byte string	93	CBOR_TAG_CBOR = 24, // embedded cbor, byte string
52		94
53	CBOR_TAG_URI = 32, // URI rfc3986, utf-8	95	CBOR_TAG_URI = 32, // URI rfc3986, utf-8
54	CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8	96	CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8
55	CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8	97	CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8
56	CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8	98	CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8
57	CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8	99	CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8
58		100
59	CBOR_TAG_MAGIC = 55799 // self-describe cbor	101	CBOR_TAG_MAGIC = 55799, // self-describe cbor
60	};	102	};
61		103
62	#define F_SHRINK 0x00000001UL	104	#define F_SHRINK 0x00000001UL
63	#define F_ALLOW_UNKNOWN 0x00000002UL	105	#define F_ALLOW_UNKNOWN 0x00000002UL
64	#define F_ALLOW_SHARING 0x00000004UL //TODO	106	#define F_ALLOW_SHARING 0x00000004UL
65	#define F_ALLOW_STRINGREF 0x00000008UL //TODO	107	#define F_ALLOW_CYCLES 0x00000008UL
		108	#define F_FORBID_OBJECTS 0x00000010UL
		109	#define F_PACK_STRINGS 0x00000020UL
		110	#define F_TEXT_KEYS 0x00000040UL
		111	#define F_TEXT_STRINGS 0x00000080UL
		112	#define F_VALIDATE_UTF8 0x00000100UL
66		113
67	#define INIT_SIZE 32 // initial scalar size to be allocated	114	#define INIT_SIZE 32 // initial scalar size to be allocated
68		115
69	#define SB do {	116	#define SB do {
70	#define SE } while (0)	117	#define SE } while (0)
…		…
89	typedef struct {	136	typedef struct {
90	U32 flags;	137	U32 flags;
91	U32 max_depth;	138	U32 max_depth;
92	STRLEN max_size;	139	STRLEN max_size;
93	SV *filter;	140	SV *filter;
		141
		142	// for the incremental parser
		143	STRLEN incr_pos; // the current offset into the text
		144	STRLEN incr_need; // minimum bytes needed to decode
		145	AV *incr_count; // for every nesting level, the number of outstanding values, or -1 for indef.
94	} CBOR;	146	} CBOR;
95		147
96	ecb_inline void	148	ecb_inline void
97	cbor_init (CBOR *cbor)	149	cbor_init (CBOR *cbor)
98	{	150	{
…		…
102		154
103	ecb_inline void	155	ecb_inline void
104	cbor_free (CBOR *cbor)	156	cbor_free (CBOR *cbor)
105	{	157	{
106	SvREFCNT_dec (cbor->filter);	158	SvREFCNT_dec (cbor->filter);
		159	SvREFCNT_dec (cbor->incr_count);
107	}	160	}
108		161
109	/////////////////////////////////////////////////////////////////////////////	162	/////////////////////////////////////////////////////////////////////////////
110	// utility functions	163	// utility functions
111		164
…		…
137		190
138	// minimum length of a string to be registered for stringref	191	// minimum length of a string to be registered for stringref
139	ecb_inline int	192	ecb_inline int
140	minimum_string_length (UV idx)	193	minimum_string_length (UV idx)
141	{	194	{
142	return idx > 23	195	return idx <= 23 ? 3
143	? idx > 0xffU	196	: idx <= 0xffU ? 4
144	? idx > 0xffffU	197	: idx <= 0xffffU ? 5
145	? idx > 0xffffffffU	198	: idx <= 0xffffffffU ? 7
146	? 7	199	: 11;
147	: 6
148	: 5
149	: 4
150	: 3;
151	}	200	}
152		201
153	/////////////////////////////////////////////////////////////////////////////	202	/////////////////////////////////////////////////////////////////////////////
154	// encoder	203	// encoder
155		204
…		…
168	} enc_t;	217	} enc_t;
169		218
170	ecb_inline void	219	ecb_inline void
171	need (enc_t *enc, STRLEN len)	220	need (enc_t *enc, STRLEN len)
172	{	221	{
173	if (ecb_expect_false (enc->cur + len >= enc->end))	222	if (ecb_expect_false ((uintptr_t)(enc->end - enc->cur) < len))
174	{	223	{
175	STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);	224	STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);
176	SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);	225	SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
177	enc->cur = SvPVX (enc->sv) + cur;	226	enc->cur = SvPVX (enc->sv) + cur;
178	enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;	227	enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;
…		…
189	static void	238	static void
190	encode_uint (enc_t *enc, int major, UV len)	239	encode_uint (enc_t *enc, int major, UV len)
191	{	240	{
192	need (enc, 9);	241	need (enc, 9);
193		242
194	if (len < 24)	243	if (ecb_expect_true (len < LENGTH_EXT1))
195	*enc->cur++ = major | len;	244	*enc->cur++ = major | len;
196	else if (len <= 0xff)	245	else if (ecb_expect_true (len <= 0xffU))
197	{	246	{
198	*enc->cur++ = major | 24;	247	*enc->cur++ = major | LENGTH_EXT1;
199	*enc->cur++ = len;	248	*enc->cur++ = len;
200	}	249	}
201	else if (len <= 0xffff)	250	else if (len <= 0xffffU)
202	{	251	{
203	*enc->cur++ = major | 25;	252	*enc->cur++ = major | LENGTH_EXT2;
204	*enc->cur++ = len >> 8;	253	*enc->cur++ = len >> 8;
205	*enc->cur++ = len;	254	*enc->cur++ = len;
206	}	255	}
207	else if (len <= 0xffffffff)	256	else if (len <= 0xffffffffU)
208	{	257	{
209	*enc->cur++ = major | 26;	258	*enc->cur++ = major | LENGTH_EXT4;
210	*enc->cur++ = len >> 24;	259	*enc->cur++ = len >> 24;
211	*enc->cur++ = len >> 16;	260	*enc->cur++ = len >> 16;
212	*enc->cur++ = len >> 8;	261	*enc->cur++ = len >> 8;
213	*enc->cur++ = len;	262	*enc->cur++ = len;
214	}	263	}
215	else	264	else
216	{	265	{
217	*enc->cur++ = major | 27;	266	*enc->cur++ = major | LENGTH_EXT8;
218	*enc->cur++ = len >> 56;	267	*enc->cur++ = len >> 56;
219	*enc->cur++ = len >> 48;	268	*enc->cur++ = len >> 48;
220	*enc->cur++ = len >> 40;	269	*enc->cur++ = len >> 40;
221	*enc->cur++ = len >> 32;	270	*enc->cur++ = len >> 32;
222	*enc->cur++ = len >> 24;	271	*enc->cur++ = len >> 24;
…		…
227	}	276	}
228		277
229	ecb_inline void	278	ecb_inline void
230	encode_tag (enc_t *enc, UV tag)	279	encode_tag (enc_t *enc, UV tag)
231	{	280	{
232	encode_uint (enc, 0xc0, tag);	281	encode_uint (enc, MAJOR_TAG, tag);
233	}	282	}
234		283
235	static void	284	// exceptional (hopefully) slow path for byte strings that need to be utf8-encoded
		285	ecb_noinline static void
236	encode_str (enc_t *enc, int utf8, char *str, STRLEN len)	286	encode_str_utf8 (enc_t *enc, int utf8, char *str, STRLEN len)
237	{	287	{
		288	STRLEN ulen = len;
		289	U8 *p, *pend = (U8 *)str + len;
		290
		291	for (p = (U8 *)str; p < pend; ++p)
		292	ulen += *p >> 7; // count set high bits
		293
		294	encode_uint (enc, MAJOR_TEXT, ulen);
		295
		296	need (enc, ulen);
		297	for (p = (U8 *)str; p < pend; ++p)
		298	if (*p < 0x80)
		299	*enc->cur++ = *p;
		300	else
		301	{
		302	*enc->cur++ = 0xc0 + (*p >> 6);
		303	*enc->cur++ = 0x80 + (*p & 63);
		304	}
		305	}
		306
		307	ecb_inline void
		308	encode_str (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
		309	{
		310	if (ecb_expect_false (upgrade_utf8))
		311	if (!utf8)
		312	{
		313	encode_str_utf8 (enc, utf8, str, len);
		314	return;
		315	}
		316
		317	encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len);
		318	need (enc, len);
		319	memcpy (enc->cur, str, len);
		320	enc->cur += len;
		321	}
		322
		323	ecb_inline void
		324	encode_strref (enc_t *enc, int upgrade_utf8, int utf8, char *str, STRLEN len)
		325	{
238	if (ecb_expect_false (enc->cbor.flags & F_ALLOW_STRINGREF))	326	if (ecb_expect_false (enc->cbor.flags & F_PACK_STRINGS))
239	{	327	{
240	SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1);	328	SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1);
241		329
242	if (SvOK (*svp))	330	if (SvOK (*svp))
243	{	331	{
244	// already registered, use stringref	332	// already registered, use stringref
245	encode_tag (enc, CBOR_TAG_STRINGREF);	333	encode_tag (enc, CBOR_TAG_STRINGREF);
246	encode_uint (enc, 0x00, SvUV (*svp));	334	encode_uint (enc, MAJOR_POS_INT, SvUV (*svp));
247	return;	335	return;
248	}	336	}
249	else if (len >= minimum_string_length (enc->stringref_idx))	337	else if (len >= minimum_string_length (enc->stringref_idx))
250	{	338	{
251	// register only	339	// register only
252	sv_setuv (*svp, enc->stringref_idx);	340	sv_setuv (*svp, enc->stringref_idx);
253	++enc->stringref_idx;	341	++enc->stringref_idx;
254	}	342	}
255	}	343	}
256		344
257	encode_uint (enc, utf8 ? 0x60 : 0x40, len);	345	encode_str (enc, upgrade_utf8, utf8, str, len);
258	need (enc, len);
259	memcpy (enc->cur, str, len);
260	enc->cur += len;
261	}	346	}
262		347
263	static void encode_sv (enc_t *enc, SV *sv);	348	static void encode_sv (enc_t *enc, SV *sv);
264		349
265	static void	350	static void
…		…
270	if (enc->depth >= enc->cbor.max_depth)	355	if (enc->depth >= enc->cbor.max_depth)
271	croak (ERR_NESTING_EXCEEDED);	356	croak (ERR_NESTING_EXCEEDED);
272		357
273	++enc->depth;	358	++enc->depth;
274		359
275	encode_uint (enc, 0x80, len + 1);	360	encode_uint (enc, MAJOR_ARRAY, len + 1);
276		361
		362	if (ecb_expect_false (SvMAGICAL (av)))
277	for (i = 0; i <= len; ++i)	363	for (i = 0; i <= len; ++i)
278	{	364	{
279	SV **svp = av_fetch (av, i, 0);	365	SV **svp = av_fetch (av, i, 0);
280	encode_sv (enc, svp ? *svp : &PL_sv_undef);	366	encode_sv (enc, svp ? *svp : &PL_sv_undef);
281	}	367	}
		368	else
		369	for (i = 0; i <= len; ++i)
		370	{
		371	SV *sv = AvARRAY (av)[i];
		372	encode_sv (enc, sv ? sv : &PL_sv_undef);
		373	}
282		374
283	--enc->depth;	375	--enc->depth;
284	}	376	}
285		377
286	static void	378	static void
…		…
294	++enc->depth;	386	++enc->depth;
295		387
296	int pairs = hv_iterinit (hv);	388	int pairs = hv_iterinit (hv);
297	int mg = SvMAGICAL (hv);	389	int mg = SvMAGICAL (hv);
298		390
299	if (mg)	391	if (ecb_expect_false (mg))
300	encode_ch (enc, 0xa0 | 31);	392	encode_ch (enc, MAJOR_MAP | MINOR_INDEF);
301	else	393	else
302	encode_uint (enc, 0xa0, pairs);	394	encode_uint (enc, MAJOR_MAP, pairs);
303		395
304	while ((he = hv_iternext (hv)))	396	while ((he = hv_iternext (hv)))
305	{	397	{
306	if (HeKLEN (he) == HEf_SVKEY)	398	if (HeKLEN (he) == HEf_SVKEY)
307	encode_sv (enc, HeSVKEY (he));	399	encode_sv (enc, HeSVKEY (he));
308	else	400	else
309	encode_str (enc, HeKUTF8 (he), HeKEY (he), HeKLEN (he));	401	encode_strref (enc, enc->cbor.flags & (F_TEXT_KEYS | F_TEXT_STRINGS), HeKUTF8 (he), HeKEY (he), HeKLEN (he));
310		402
311	encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he));	403	encode_sv (enc, ecb_expect_false (mg) ? hv_iterval (hv, he) : HeVAL (he));
312	}	404	}
313		405
314	if (mg)	406	if (ecb_expect_false (mg))
315	encode_ch (enc, 0xe0 | 31);	407	encode_ch (enc, MAJOR_MISC | MINOR_INDEF);
316		408
317	--enc->depth;	409	--enc->depth;
318	}	410	}
319		411
320	// encode objects, arrays and special \0=false and \1=true values.	412	// encode objects, arrays and special \0=false and \1=true values.
321	static void	413	static void
322	encode_rv (enc_t *enc, SV *sv)	414	encode_rv (enc_t *enc, SV *sv)
323	{	415	{
324	SvGETMAGIC (sv);	416	SvGETMAGIC (sv);
325
326	if (ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)
327	&& ecb_expect_false (SvREFCNT (sv) > 1))
328	{
329	if (!enc->shareable)
330	enc->shareable = (HV *)sv_2mortal ((SV *)newHV ());
331
332	SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1);
333
334	if (SvOK (*svp))
335	{
336	encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF);
337	encode_uint (enc, 0x00, SvUV (*svp));
338	return;
339	}
340	else
341	{
342	sv_setuv (*svp, enc->shareable_idx);
343	++enc->shareable_idx;
344	encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE);
345	}
346	}
347		417
348	svtype svt = SvTYPE (sv);	418	svtype svt = SvTYPE (sv);
349		419
350	if (ecb_expect_false (SvOBJECT (sv)))	420	if (ecb_expect_false (SvOBJECT (sv)))
351	{	421	{
…		…
358	HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash	428	HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash
359	? cbor_tagged_stash	429	? cbor_tagged_stash
360	: gv_stashpv ("CBOR::XS::Tagged" , 1);	430	: gv_stashpv ("CBOR::XS::Tagged" , 1);
361		431
362	HV *stash = SvSTASH (sv);	432	HV *stash = SvSTASH (sv);
363	GV *method;
364		433
365	if (stash == boolean_stash)	434	if (stash == boolean_stash)
366	encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20);	435	{
		436	encode_ch (enc, SvIV (sv) ? MAJOR_MISC | SIMPLE_TRUE : MAJOR_MISC | SIMPLE_FALSE);
		437	return;
		438	}
367	else if (stash == error_stash)	439	else if (stash == error_stash)
368	encode_ch (enc, 0xe0 | 23);	440	{
		441	encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF);
		442	return;
		443	}
369	else if (stash == tagged_stash)	444	else if (stash == tagged_stash)
370	{	445	{
371	if (svt != SVt_PVAV)	446	if (svt != SVt_PVAV)
372	croak ("encountered CBOR::XS::Tagged object that isn't an array");	447	croak ("encountered CBOR::XS::Tagged object that isn't an array");
373		448
374	encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1)));	449	encode_uint (enc, MAJOR_TAG, SvUV (*av_fetch ((AV *)sv, 0, 1)));
375	encode_sv (enc, *av_fetch ((AV *)sv, 1, 1));	450	encode_sv (enc, *av_fetch ((AV *)sv, 1, 1));
		451
		452	return;
		453	}
		454	}
		455
		456	if (ecb_expect_false (SvREFCNT (sv) > 1)
		457	&& ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING))
		458	{
		459	if (ecb_expect_false (!enc->shareable))
		460	enc->shareable = (HV *)sv_2mortal ((SV *)newHV ());
		461
		462	SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1);
		463
		464	if (SvOK (*svp))
376	}	465	{
		466	encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF);
		467	encode_uint (enc, MAJOR_POS_INT, SvUV (*svp));
		468	return;
		469	}
		470	else
		471	{
		472	sv_setuv (*svp, enc->shareable_idx);
		473	++enc->shareable_idx;
		474	encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE);
		475	}
		476	}
		477
		478	if (ecb_expect_false (SvOBJECT (sv)))
		479	{
		480	HV *stash = SvSTASH (sv);
		481	GV *method;
		482
		483	if (enc->cbor.flags & F_FORBID_OBJECTS)
		484	croak ("encountered object '%s', but forbid_objects is enabled",
		485	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
377	else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0)))	486	else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0)))
378	{	487	{
379	dSP;	488	dSP;
380		489
381	ENTER; SAVETMPS; PUSHMARK (SP);	490	ENTER; SAVETMPS;
		491	PUSHMARK (SP);
382	// we re-bless the reference to get overload and other niceties right	492	// we re-bless the reference to get overload and other niceties right
383	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));	493	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
384		494
385	PUTBACK;	495	PUTBACK;
386	// G_SCALAR ensures that return value is 1	496	// G_SCALAR ensures that return value is 1
…		…
399	}	509	}
400	else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0)	510	else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0)
401	{	511	{
402	dSP;	512	dSP;
403		513
404	ENTER; SAVETMPS; PUSHMARK (SP);	514	ENTER; SAVETMPS;
		515	PUSHMARK (SP);
405	EXTEND (SP, 2);	516	EXTEND (SP, 2);
406	// we re-bless the reference to get overload and other niceties right	517	// we re-bless the reference to get overload and other niceties right
407	PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));	518	PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
408	PUSHs (sv_cbor);	519	PUSHs (sv_cbor);
409		520
…		…
414	// catch this surprisingly common error	525	// catch this surprisingly common error
415	if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv)	526	if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv)
416	croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash));	527	croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash));
417		528
418	encode_tag (enc, CBOR_TAG_PERL_OBJECT);	529	encode_tag (enc, CBOR_TAG_PERL_OBJECT);
419	encode_uint (enc, 0x80, count + 1);	530	encode_uint (enc, MAJOR_ARRAY, count + 1);
420	encode_str (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash));	531	encode_strref (enc, 0, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash));
421		532
422	while (count)	533	{
		534	int i;
		535
		536	for (i = 0; i < count; ++i)
423	encode_sv (enc, SP[1 - count--]);	537	encode_sv (enc, SP[i + 1 - count]);
		538
		539	SP -= count;
		540	}
424		541
425	PUTBACK;	542	PUTBACK;
426		543
427	FREETMPS; LEAVE;	544	FREETMPS; LEAVE;
428	}	545	}
…		…
446	{	563	{
447	double nv = SvNVX (sv);	564	double nv = SvNVX (sv);
448		565
449	need (enc, 9);	566	need (enc, 9);
450		567
451	if (ecb_expect_false (nv == (U32)nv))	568	if (ecb_expect_false (nv == (NV)(U32)nv))
452	encode_uint (enc, 0x00, (U32)nv);	569	encode_uint (enc, MAJOR_POS_INT, (U32)nv);
453	//TODO: maybe I32?	570	//TODO: maybe I32?
454	else if (ecb_expect_false (nv == (float)nv))	571	else if (ecb_expect_false (nv == (float)nv))
455	{	572	{
		573	*enc->cur++ = MAJOR_MISC | MISC_FLOAT32;
		574
456	uint32_t fp = ecb_float_to_binary32 (nv);	575	uint32_t fp = ecb_float_to_binary32 (nv);
457
458	*enc->cur++ = 0xe0 | 26;
459		576
460	if (!ecb_big_endian ())	577	if (!ecb_big_endian ())
461	fp = ecb_bswap32 (fp);	578	fp = ecb_bswap32 (fp);
462		579
463	memcpy (enc->cur, &fp, 4);	580	memcpy (enc->cur, &fp, 4);
464	enc->cur += 4;	581	enc->cur += 4;
465	}	582	}
466	else	583	else
467	{	584	{
		585	*enc->cur++ = MAJOR_MISC | MISC_FLOAT64;
		586
468	uint64_t fp = ecb_double_to_binary64 (nv);	587	uint64_t fp = ecb_double_to_binary64 (nv);
469
470	*enc->cur++ = 0xe0 | 27;
471		588
472	if (!ecb_big_endian ())	589	if (!ecb_big_endian ())
473	fp = ecb_bswap64 (fp);	590	fp = ecb_bswap64 (fp);
474		591
475	memcpy (enc->cur, &fp, 8);	592	memcpy (enc->cur, &fp, 8);
…		…
484		601
485	if (SvPOKp (sv))	602	if (SvPOKp (sv))
486	{	603	{
487	STRLEN len;	604	STRLEN len;
488	char *str = SvPV (sv, len);	605	char *str = SvPV (sv, len);
489	encode_str (enc, SvUTF8 (sv), str, len);	606	encode_strref (enc, enc->cbor.flags & F_TEXT_STRINGS, SvUTF8 (sv), str, len);
490	}	607	}
491	else if (SvNOKp (sv))	608	else if (SvNOKp (sv))
492	encode_nv (enc, sv);	609	encode_nv (enc, sv);
493	else if (SvIOKp (sv))	610	else if (SvIOKp (sv))
494	{	611	{
495	if (SvIsUV (sv))	612	if (SvIsUV (sv))
496	encode_uint (enc, 0x00, SvUVX (sv));	613	encode_uint (enc, MAJOR_POS_INT, SvUVX (sv));
497	else if (SvIVX (sv) >= 0)	614	else if (SvIVX (sv) >= 0)
498	encode_uint (enc, 0x00, SvIVX (sv));	615	encode_uint (enc, MAJOR_POS_INT, SvIVX (sv));
499	else	616	else
500	encode_uint (enc, 0x20, -(SvIVX (sv) + 1));	617	encode_uint (enc, MAJOR_NEG_INT, -(SvIVX (sv) + 1));
501	}	618	}
502	else if (SvROK (sv))	619	else if (SvROK (sv))
503	encode_rv (enc, SvRV (sv));	620	encode_rv (enc, SvRV (sv));
504	else if (!SvOK (sv))	621	else if (!SvOK (sv))
505	encode_ch (enc, 0xe0 | 22);	622	encode_ch (enc, MAJOR_MISC | SIMPLE_NULL);
506	else if (enc->cbor.flags & F_ALLOW_UNKNOWN)	623	else if (enc->cbor.flags & F_ALLOW_UNKNOWN)
507	encode_ch (enc, 0xe0 | 23);	624	encode_ch (enc, MAJOR_MISC | SIMPLE_UNDEF);
508	else	625	else
509	croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data",	626	croak ("encountered perl type (%s,0x%x) that CBOR cannot handle, check your input data",
510	SvPV_nolen (sv), (unsigned int)SvFLAGS (sv));	627	SvPV_nolen (sv), (unsigned int)SvFLAGS (sv));
511	}	628	}
512		629
513	static SV *	630	static SV *
514	encode_cbor (SV *scalar, CBOR *cbor)	631	encode_cbor (SV *scalar, CBOR *cbor)
515	{	632	{
516	enc_t enc = { };	633	enc_t enc = { 0 };
517		634
518	enc.cbor = *cbor;	635	enc.cbor = *cbor;
519	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));	636	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
520	enc.cur = SvPVX (enc.sv);	637	enc.cur = SvPVX (enc.sv);
521	enc.end = SvEND (enc.sv);	638	enc.end = SvEND (enc.sv);
522		639
523	SvPOK_only (enc.sv);	640	SvPOK_only (enc.sv);
524		641
525	if (cbor->flags & F_ALLOW_STRINGREF)	642	if (cbor->flags & F_PACK_STRINGS)
526	{	643	{
527	encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE);	644	encode_tag (&enc, CBOR_TAG_STRINGREF_NAMESPACE);
528	enc.stringref[0]= (HV *)sv_2mortal ((SV *)newHV ());	645	enc.stringref[0]= (HV *)sv_2mortal ((SV *)newHV ());
529	enc.stringref[1]= (HV *)sv_2mortal ((SV *)newHV ());	646	enc.stringref[1]= (HV *)sv_2mortal ((SV *)newHV ());
530	}	647	}
…		…
553	U32 depth; // recursion depth	670	U32 depth; // recursion depth
554	U32 maxdepth; // recursion depth limit	671	U32 maxdepth; // recursion depth limit
555	AV *shareable;	672	AV *shareable;
556	AV *stringref;	673	AV *stringref;
557	SV *decode_tagged;	674	SV *decode_tagged;
		675	SV *err_sv; // optional sv for error, needs to be freed
558	} dec_t;	676	} dec_t;
559		677
560	#define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE	678	// set dec->err to ERRSV
		679	ecb_cold static void
		680	err_errsv (dec_t *dec)
		681	{
		682	if (!dec->err)
		683	{
		684	dec->err_sv = newSVsv (ERRSV);
561		685
562	#define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data")	686	// chop off the trailing \n
		687	SvCUR_set (dec->err_sv, SvCUR (dec->err_sv) - 1);
		688	*SvEND (dec->err_sv) = 0;
563		689
		690	dec->err = SvPVutf8_nolen (dec->err_sv);
		691	}
		692	}
		693
		694	// the following functions are used to reduce code size and help the compiler to optimise
		695	ecb_cold static void
		696	err_set (dec_t *dec, const char *reason)
		697	{
		698	if (!dec->err)
		699	dec->err = reason;
		700	}
		701
		702	ecb_cold static void
		703	err_unexpected_end (dec_t *dec)
		704	{
		705	err_set (dec, "unexpected end of CBOR data");
		706	}
		707
		708	#define ERR_DO(do) SB do; goto fail; SE
		709	#define ERR(reason) ERR_DO (err_set (dec, reason))
		710	#define ERR_ERRSV ERR_DO (err_errsv (dec))
		711
		712	#define WANT(len) if (ecb_expect_false ((uintptr_t)(dec->end - dec->cur) < (STRLEN)len)) ERR_DO (err_unexpected_end (dec))
		713
564	#define DEC_INC_DEPTH if (++dec->depth > dec->cbor.max_depth) ERR (ERR_NESTING_EXCEEDED)	714	#define DEC_INC_DEPTH if (ecb_expect_false (++dec->depth > dec->cbor.max_depth)) ERR (ERR_NESTING_EXCEEDED)
565	#define DEC_DEC_DEPTH --dec->depth	715	#define DEC_DEC_DEPTH --dec->depth
566		716
567	static UV	717	static UV
568	decode_uint (dec_t *dec)	718	decode_uint (dec_t *dec)
569	{	719	{
570	switch (*dec->cur & 31)	720	U8 m = *dec->cur & MINOR_MASK;
571	{	721	++dec->cur;
572	case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
573	case 8: case 9: case 10: case 11: case 12: case 13: case 14: case 15:
574	case 16: case 17: case 18: case 19: case 20: case 21: case 22: case 23:
575	return *dec->cur++ & 31;
576		722
577	case 24:	723	if (ecb_expect_true (m < LENGTH_EXT1))
		724	return m;
		725	else if (ecb_expect_true (m == LENGTH_EXT1))
		726	{
578	WANT (2);	727	WANT (1);
579	dec->cur += 2;	728	dec->cur += 1;
580	return dec->cur[-1];	729	return dec->cur[-1];
581		730	}
582	case 25:	731	else if (ecb_expect_true (m == LENGTH_EXT2))
		732	{
583	WANT (3);	733	WANT (2);
584	dec->cur += 3;	734	dec->cur += 2;
585	return (((UV)dec->cur[-2]) << 8)	735	return (((UV)dec->cur[-2]) << 8)
586	| ((UV)dec->cur[-1]);	736	| ((UV)dec->cur[-1]);
587		737	}
588	case 26:	738	else if (ecb_expect_true (m == LENGTH_EXT4))
		739	{
589	WANT (5);	740	WANT (4);
590	dec->cur += 5;	741	dec->cur += 4;
591	return (((UV)dec->cur[-4]) << 24)	742	return (((UV)dec->cur[-4]) << 24)
592	| (((UV)dec->cur[-3]) << 16)	743	| (((UV)dec->cur[-3]) << 16)
593	| (((UV)dec->cur[-2]) << 8)	744	| (((UV)dec->cur[-2]) << 8)
594	| ((UV)dec->cur[-1]);	745	| ((UV)dec->cur[-1]);
595		746	}
596	case 27:	747	else if (ecb_expect_true (m == LENGTH_EXT8))
		748	{
597	WANT (9);	749	WANT (8);
598	dec->cur += 9;	750	dec->cur += 8;
		751
		752	return
		753	#if UVSIZE < 8
		754	0
		755	#else
599	return (((UV)dec->cur[-8]) << 56)	756	(((UV)dec->cur[-8]) << 56)
600	| (((UV)dec->cur[-7]) << 48)	757	| (((UV)dec->cur[-7]) << 48)
601	| (((UV)dec->cur[-6]) << 40)	758	| (((UV)dec->cur[-6]) << 40)
602	| (((UV)dec->cur[-5]) << 32)	759	| (((UV)dec->cur[-5]) << 32)
		760	#endif
603	| (((UV)dec->cur[-4]) << 24)	761	| (((UV)dec->cur[-4]) << 24)
604	| (((UV)dec->cur[-3]) << 16)	762	| (((UV)dec->cur[-3]) << 16)
605	| (((UV)dec->cur[-2]) << 8)	763	| (((UV)dec->cur[-2]) << 8)
606	| ((UV)dec->cur[-1]);	764	| ((UV)dec->cur[-1]);
607		765	}
608	default:	766	else
609	ERR ("corrupted CBOR data (unsupported integer minor encoding)");	767	ERR ("corrupted CBOR data (unsupported integer minor encoding)");
610	}
611		768
612	fail:	769	fail:
613	return 0;	770	return 0;
614	}	771	}
615		772
…		…
620	{	777	{
621	AV *av = newAV ();	778	AV *av = newAV ();
622		779
623	DEC_INC_DEPTH;	780	DEC_INC_DEPTH;
624		781
625	if ((*dec->cur & 31) == 31)	782	if (*dec->cur == (MAJOR_ARRAY | MINOR_INDEF))
626	{	783	{
627	++dec->cur;	784	++dec->cur;
628		785
629	for (;;)	786	for (;;)
630	{	787	{
631	WANT (1);	788	WANT (1);
632		789
633	if (*dec->cur == (0xe0 | 31))	790	if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err)
634	{	791	{
635	++dec->cur;	792	++dec->cur;
636	break;	793	break;
637	}	794	}
638		795
639	av_push (av, decode_sv (dec));	796	av_push (av, decode_sv (dec));
640	}	797	}
641	}	798	}
642	else	799	else
643	{	800	{
644	int i, len = decode_uint (dec);	801	UV i, len = decode_uint (dec);
645		802
		803	WANT (len); // complexity check for av_fill - need at least one byte per value, do not allow supersize arrays
646	av_fill (av, len - 1);	804	av_fill (av, len - 1);
647		805
648	for (i = 0; i < len; ++i)	806	for (i = 0; i < len; ++i)
649	AvARRAY (av)[i] = decode_sv (dec);	807	AvARRAY (av)[i] = decode_sv (dec);
650	}	808	}
651		809
652	DEC_DEC_DEPTH;	810	DEC_DEC_DEPTH;
653	return newRV_noinc ((SV *)av);	811	return newRV_noinc ((SV *)av);
654		812
655	fail:	813	fail:
656	SvREFCNT_dec (av);	814	SvREFCNT_dec_NN (av);
657	DEC_DEC_DEPTH;	815	DEC_DEC_DEPTH;
658	return &PL_sv_undef;	816	return &PL_sv_undef;
659	}	817	}
660		818
661	static void	819	static void
…		…
663	{	821	{
664	// for speed reasons, we specialcase single-string	822	// for speed reasons, we specialcase single-string
665	// byte or utf-8 strings as keys, but only when !stringref	823	// byte or utf-8 strings as keys, but only when !stringref
666		824
667	if (ecb_expect_true (!dec->stringref))	825	if (ecb_expect_true (!dec->stringref))
668	if (*dec->cur >= 0x40 && *dec->cur <= 0x40 + 27)	826	if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8))
669	{	827	{
670	I32 len = decode_uint (dec);	828	STRLEN len = decode_uint (dec);
671	char *key = (char *)dec->cur;	829	char *key = (char *)dec->cur;
672		830
		831	WANT (len);
673	dec->cur += len;	832	dec->cur += len;
674		833
675	if (ecb_expect_false (dec->stringref))
676	av_push (dec->stringref, newSVpvn (key, len));
677
678	hv_store (hv, key, len, decode_sv (dec), 0);	834	hv_store (hv, key, len, decode_sv (dec), 0);
679		835
680	return;	836	return;
681	}	837	}
682	else if (*dec->cur >= 0x60 && *dec->cur <= 0x60 + 27)	838	else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8))
683	{	839	{
684	I32 len = decode_uint (dec);	840	STRLEN len = decode_uint (dec);
685	char *key = (char *)dec->cur;	841	char *key = (char *)dec->cur;
686		842
		843	WANT (len);
687	dec->cur += len;	844	dec->cur += len;
688		845
689	if (ecb_expect_false (dec->stringref))	846	if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8))
690	av_push (dec->stringref, newSVpvn_utf8 (key, len, 1));	847	if (!is_utf8_string (key, len))
		848	ERR ("corrupted CBOR data (invalid UTF-8 in map key)");
691		849
692	hv_store (hv, key, -len, decode_sv (dec), 0);	850	hv_store (hv, key, -len, decode_sv (dec), 0);
693		851
694	return;	852	return;
695	}	853	}
696		854
697	SV *k = decode_sv (dec);	855	SV *k = decode_sv (dec);
698	SV *v = decode_sv (dec);	856	SV *v = decode_sv (dec);
699		857
		858	// we leak memory if uncaught exceptions are thrown by random magical
		859	// methods, and this is hopefully the only place where it can happen,
		860	// so if there is a chance of an exception, take the very slow path.
		861	// since catching exceptions is "undocumented/internal/forbidden" by
		862	// the new p5p powers, we need to call out to a perl function :/
		863	if (ecb_expect_false (SvAMAGIC (k)))
		864	{
		865	dSP;
		866
		867	ENTER; SAVETMPS;
		868	PUSHMARK (SP);
		869	EXTEND (SP, 3);
		870	PUSHs (sv_2mortal (newRV_inc ((SV *)hv)));
		871	PUSHs (sv_2mortal (k));
		872	PUSHs (sv_2mortal (v));
		873
		874	PUTBACK;
		875	call_pv ("CBOR::XS::_hv_store", G_VOID | G_DISCARD | G_EVAL);
		876	SPAGAIN;
		877
		878	FREETMPS; LEAVE;
		879
		880	if (SvTRUE (ERRSV))
		881	ERR_ERRSV;
		882
		883	return;
		884	}
		885
700	hv_store_ent (hv, k, v, 0);	886	hv_store_ent (hv, k, v, 0);
701	SvREFCNT_dec (k);	887	SvREFCNT_dec_NN (k);
		888
		889	fail:
		890	;
702	}	891	}
703		892
704	static SV *	893	static SV *
705	decode_hv (dec_t *dec)	894	decode_hv (dec_t *dec)
706	{	895	{
707	HV *hv = newHV ();	896	HV *hv = newHV ();
708		897
709	DEC_INC_DEPTH;	898	DEC_INC_DEPTH;
710		899
711	if ((*dec->cur & 31) == 31)	900	if (*dec->cur == (MAJOR_MAP | MINOR_INDEF))
712	{	901	{
713	++dec->cur;	902	++dec->cur;
714		903
715	for (;;)	904	for (;;)
716	{	905	{
717	WANT (1);	906	WANT (1);
718		907
719	if (*dec->cur == (0xe0 | 31))	908	if (*dec->cur == (MAJOR_MISC | MINOR_INDEF) || dec->err)
720	{	909	{
721	++dec->cur;	910	++dec->cur;
722	break;	911	break;
723	}	912	}
724		913
725	decode_he (dec, hv);	914	decode_he (dec, hv);
726	}	915	}
727	}	916	}
728	else	917	else
729	{	918	{
730	int pairs = decode_uint (dec);	919	UV pairs = decode_uint (dec);
		920
		921	WANT (pairs); // complexity check - need at least one byte per value, do not allow supersize hashes
731		922
732	while (pairs--)	923	while (pairs--)
733	decode_he (dec, hv);	924	decode_he (dec, hv);
734	}	925	}
735		926
736	DEC_DEC_DEPTH;	927	DEC_DEC_DEPTH;
737	return newRV_noinc ((SV *)hv);	928	return newRV_noinc ((SV *)hv);
738		929
739	fail:	930	fail:
740	SvREFCNT_dec (hv);	931	SvREFCNT_dec_NN (hv);
741	DEC_DEC_DEPTH;	932	DEC_DEC_DEPTH;
742	return &PL_sv_undef;	933	return &PL_sv_undef;
743	}	934	}
744		935
745	static SV *	936	static SV *
746	decode_str (dec_t *dec, int utf8)	937	decode_str (dec_t *dec, int utf8)
747	{	938	{
748	SV *sv = 0;	939	SV *sv = 0;
749		940
750	if ((*dec->cur & 31) == 31)	941	if (ecb_expect_false ((*dec->cur & MINOR_MASK) == MINOR_INDEF))
751	{	942	{
		943	// indefinite length strings
752	++dec->cur;	944	++dec->cur;
753		945
		946	U8 major = *dec->cur & MAJOR_MISC;
		947
754	sv = newSVpvn ("", 0);	948	sv = newSVpvn ("", 0);
755		949
756	// not very fast, and certainly not robust against illegal input
757	for (;;)	950	for (;;)
758	{	951	{
759	WANT (1);	952	WANT (1);
760		953
761	if (*dec->cur == (0xe0 | 31))	954	if ((*dec->cur - major) > LENGTH_EXT8)
		955	if (*dec->cur == (MAJOR_MISC | MINOR_INDEF))
762	{	956	{
763	++dec->cur;	957	++dec->cur;
764	break;	958	break;
765	}	959	}
		960	else
		961	ERR ("corrupted CBOR data (invalid chunks in indefinite length string)");
766		962
767	sv_catsv (sv, decode_sv (dec));	963	STRLEN len = decode_uint (dec);
		964
		965	WANT (len);
		966	sv_catpvn (sv, dec->cur, len);
		967	dec->cur += len;
768	}	968	}
769	}	969	}
770	else	970	else
771	{	971	{
772	STRLEN len = decode_uint (dec);	972	STRLEN len = decode_uint (dec);
…		…
779	&& SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1))	979	&& SvCUR (sv) >= minimum_string_length (AvFILLp (dec->stringref) + 1))
780	av_push (dec->stringref, SvREFCNT_inc_NN (sv));	980	av_push (dec->stringref, SvREFCNT_inc_NN (sv));
781	}	981	}
782		982
783	if (utf8)	983	if (utf8)
		984	{
		985	if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8))
		986	if (!is_utf8_string (SvPVX (sv), SvCUR (sv)))
		987	ERR ("corrupted CBOR data (invalid UTF-8 in text string)");
		988
784	SvUTF8_on (sv);	989	SvUTF8_on (sv);
		990	}
785		991
786	return sv;	992	return sv;
787		993
788	fail:	994	fail:
789	SvREFCNT_dec (sv);	995	SvREFCNT_dec (sv);
…		…
808	sv = newRV_noinc (decode_sv (dec));	1014	sv = newRV_noinc (decode_sv (dec));
809	break;	1015	break;
810		1016
811	case CBOR_TAG_STRINGREF_NAMESPACE:	1017	case CBOR_TAG_STRINGREF_NAMESPACE:
812	{	1018	{
		1019	// do not use SAVETMPS/FREETMPS, as these will
		1020	// erase mortalised caches, e.g. "shareable"
813	ENTER; SAVETMPS;	1021	ENTER;
814		1022
815	SAVESPTR (dec->stringref);	1023	SAVESPTR (dec->stringref);
816	dec->stringref = (AV *)sv_2mortal ((SV *)newAV ());	1024	dec->stringref = (AV *)sv_2mortal ((SV *)newAV ());
817		1025
818	sv = decode_sv (dec);	1026	sv = decode_sv (dec);
819		1027
820	FREETMPS; LEAVE;	1028	LEAVE;
821	}	1029	}
822	break;	1030	break;
823		1031
824	case CBOR_TAG_STRINGREF:	1032	case CBOR_TAG_STRINGREF:
825	{	1033	{
826	if ((*dec->cur >> 5) != 0)	1034	if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT))
827	ERR ("corrupted CBOR data (stringref index not an unsigned integer)");	1035	ERR ("corrupted CBOR data (stringref index not an unsigned integer)");
828		1036
829	UV idx = decode_uint (dec);	1037	UV idx = decode_uint (dec);
830		1038
831	if (!dec->stringref || (int)idx > AvFILLp (dec->stringref))	1039	if (!dec->stringref || idx >= (UV)(1 + AvFILLp (dec->stringref)))
832	ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)");	1040	ERR ("corrupted CBOR data (stringref index out of bounds or outside namespace)");
833		1041
834	sv = newSVsv (AvARRAY (dec->stringref)[idx]);	1042	sv = newSVsv (AvARRAY (dec->stringref)[idx]);
835	}	1043	}
836	break;	1044	break;
…		…
838	case CBOR_TAG_VALUE_SHAREABLE:	1046	case CBOR_TAG_VALUE_SHAREABLE:
839	{	1047	{
840	if (ecb_expect_false (!dec->shareable))	1048	if (ecb_expect_false (!dec->shareable))
841	dec->shareable = (AV *)sv_2mortal ((SV *)newAV ());	1049	dec->shareable = (AV *)sv_2mortal ((SV *)newAV ());
842		1050
		1051	if (dec->cbor.flags & F_ALLOW_CYCLES)
		1052	{
843	sv = newSV (0);	1053	sv = newSV (0);
844	av_push (dec->shareable, SvREFCNT_inc_NN (sv));	1054	av_push (dec->shareable, SvREFCNT_inc_NN (sv));
845		1055
846	SV *osv = decode_sv (dec);	1056	SV *osv = decode_sv (dec);
847	sv_setsv (sv, osv);	1057	sv_setsv (sv, osv);
848	SvREFCNT_dec_NN (osv);	1058	SvREFCNT_dec_NN (osv);
		1059	}
		1060	else
		1061	{
		1062	av_push (dec->shareable, &PL_sv_undef);
		1063	int idx = AvFILLp (dec->shareable);
		1064	sv = decode_sv (dec);
		1065	av_store (dec->shareable, idx, SvREFCNT_inc_NN (sv));
		1066	}
849	}	1067	}
850	break;	1068	break;
851		1069
852	case CBOR_TAG_VALUE_SHAREDREF:	1070	case CBOR_TAG_VALUE_SHAREDREF:
853	{	1071	{
854	if ((*dec->cur >> 5) != 0)	1072	if ((*dec->cur >> MAJOR_SHIFT) != (MAJOR_POS_INT >> MAJOR_SHIFT))
855	ERR ("corrupted CBOR data (sharedref index not an unsigned integer)");	1073	ERR ("corrupted CBOR data (sharedref index not an unsigned integer)");
856		1074
857	UV idx = decode_uint (dec);	1075	UV idx = decode_uint (dec);
858		1076
859	if (!dec->shareable || (int)idx > AvFILLp (dec->shareable))	1077	if (!dec->shareable || idx >= (UV)(1 + AvFILLp (dec->shareable)))
860	ERR ("corrupted CBOR data (sharedref index out of bounds)");	1078	ERR ("corrupted CBOR data (sharedref index out of bounds)");
861		1079
862	sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]);	1080	sv = SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]);
		1081
		1082	if (sv == &PL_sv_undef)
		1083	ERR ("cyclic CBOR data structure found, but allow_cycles is not enabled");
863	}	1084	}
864	break;	1085	break;
865		1086
866	case CBOR_TAG_PERL_OBJECT:	1087	case CBOR_TAG_PERL_OBJECT:
867	{	1088	{
		1089	if (dec->cbor.flags & F_FORBID_OBJECTS)
		1090	goto filter;
		1091
868	sv = decode_sv (dec);	1092	sv = decode_sv (dec);
869		1093
870	if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)	1094	if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
871	ERR ("corrupted CBOR data (non-array perl object)");	1095	ERR ("corrupted CBOR data (non-array perl object)");
872		1096
…		…
882	if (!method)	1106	if (!method)
883	ERR ("cannot decode perl-object (package does not have a THAW method)");	1107	ERR ("cannot decode perl-object (package does not have a THAW method)");
884		1108
885	dSP;	1109	dSP;
886		1110
887	ENTER; SAVETMPS; PUSHMARK (SP);	1111	ENTER; SAVETMPS;
		1112	PUSHMARK (SP);
888	EXTEND (SP, len + 1);	1113	EXTEND (SP, len + 1);
889	// we re-bless the reference to get overload and other niceties right	1114	// we re-bless the reference to get overload and other niceties right
890	PUSHs (*av_fetch (av, 0, 1));	1115	PUSHs (*av_fetch (av, 0, 1));
891	PUSHs (sv_cbor);	1116	PUSHs (sv_cbor);
892		1117
…		…
900	SPAGAIN;	1125	SPAGAIN;
901		1126
902	if (SvTRUE (ERRSV))	1127	if (SvTRUE (ERRSV))
903	{	1128	{
904	FREETMPS; LEAVE;	1129	FREETMPS; LEAVE;
905	ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV))));	1130	ERR_ERRSV;
906	}	1131	}
907		1132
908	SvREFCNT_dec (sv);	1133	SvREFCNT_dec_NN (sv);
909	sv = SvREFCNT_inc (POPs);	1134	sv = SvREFCNT_inc (POPs);
910		1135
911	PUTBACK;	1136	PUTBACK;
912		1137
913	FREETMPS; LEAVE;	1138	FREETMPS; LEAVE;
914	}	1139	}
915	break;	1140	break;
916		1141
917	default:	1142	default:
		1143	filter:
918	{	1144	{
		1145	SV *tag_sv = newSVuv (tag);
		1146
919	sv = decode_sv (dec);	1147	sv = decode_sv (dec);
920		1148
921	dSP;	1149	dSP;
922	ENTER; SAVETMPS; PUSHMARK (SP);	1150	ENTER; SAVETMPS;
		1151	PUSHMARK (SP);
923	EXTEND (SP, 2);	1152	EXTEND (SP, 2);
924	PUSHs (newSVuv (tag));	1153	PUSHs (tag_sv);
925	PUSHs (sv);	1154	PUSHs (sv);
926		1155
927	PUTBACK;	1156	PUTBACK;
928	int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL);	1157	int count = call_sv (dec->cbor.filter ? dec->cbor.filter : default_filter, G_ARRAY | G_EVAL);
929	SPAGAIN;	1158	SPAGAIN;
930		1159
931	if (SvTRUE (ERRSV))	1160	if (SvTRUE (ERRSV))
932	{	1161	{
		1162	SvREFCNT_dec_NN (tag_sv);
933	FREETMPS; LEAVE;	1163	FREETMPS; LEAVE;
934	ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV))));	1164	ERR_ERRSV;
935	}	1165	}
936		1166
937	if (count)	1167	if (count)
938	{	1168	{
		1169	SvREFCNT_dec_NN (tag_sv);
939	SvREFCNT_dec (sv);	1170	SvREFCNT_dec_NN (sv);
940	sv = SvREFCNT_inc (POPs);	1171	sv = SvREFCNT_inc_NN (TOPs);
		1172	SP -= count;
941	}	1173	}
942	else	1174	else
943	{	1175	{
944	AV *av = newAV ();	1176	AV *av = newAV ();
945	av_push (av, newSVuv (tag));	1177	av_push (av, tag_sv);
946	av_push (av, sv);	1178	av_push (av, sv);
947		1179
948	HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash	1180	HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash
949	? cbor_tagged_stash	1181	? cbor_tagged_stash
950	: gv_stashpv ("CBOR::XS::Tagged" , 1);	1182	: gv_stashpv ("CBOR::XS::Tagged" , 1);
…		…
968	static SV *	1200	static SV *
969	decode_sv (dec_t *dec)	1201	decode_sv (dec_t *dec)
970	{	1202	{
971	WANT (1);	1203	WANT (1);
972		1204
973	switch (*dec->cur >> 5)	1205	switch (*dec->cur >> MAJOR_SHIFT)
974	{	1206	{
975	case 0: // unsigned int	1207	case MAJOR_POS_INT >> MAJOR_SHIFT: return newSVuv (decode_uint (dec));
976	return newSVuv (decode_uint (dec));	1208	case MAJOR_NEG_INT >> MAJOR_SHIFT: return newSViv (-1 - (IV)decode_uint (dec));
977	case 1: // negative int	1209	case MAJOR_BYTES >> MAJOR_SHIFT: return decode_str (dec, 0);
978	return newSViv (-1 - (IV)decode_uint (dec));	1210	case MAJOR_TEXT >> MAJOR_SHIFT: return decode_str (dec, 1);
979	case 2: // octet string	1211	case MAJOR_ARRAY >> MAJOR_SHIFT: return decode_av (dec);
980	return decode_str (dec, 0);	1212	case MAJOR_MAP >> MAJOR_SHIFT: return decode_hv (dec);
981	case 3: // utf-8 string	1213	case MAJOR_TAG >> MAJOR_SHIFT: return decode_tagged (dec);
982	return decode_str (dec, 1);	1214
983	case 4: // array	1215	case MAJOR_MISC >> MAJOR_SHIFT:
984	return decode_av (dec);
985	case 5: // map
986	return decode_hv (dec);
987	case 6: // tag
988	return decode_tagged (dec);
989	case 7: // misc
990	switch (*dec->cur++ & 31)	1216	switch (*dec->cur++ & MINOR_MASK)
991	{	1217	{
992	case 20:	1218	case SIMPLE_FALSE:
993	#if CBOR_SLOW	1219	#if CBOR_SLOW
994	types_false = get_bool ("Types::Serialiser::false");	1220	types_false = get_bool ("Types::Serialiser::false");
995	#endif	1221	#endif
996	return newSVsv (types_false);	1222	return newSVsv (types_false);
997	case 21:	1223	case SIMPLE_TRUE:
998	#if CBOR_SLOW	1224	#if CBOR_SLOW
999	types_true = get_bool ("Types::Serialiser::true");	1225	types_true = get_bool ("Types::Serialiser::true");
1000	#endif	1226	#endif
1001	return newSVsv (types_true);	1227	return newSVsv (types_true);
1002	case 22:	1228	case SIMPLE_NULL:
1003	return newSVsv (&PL_sv_undef);	1229	return newSVsv (&PL_sv_undef);
1004	case 23:	1230	case SIMPLE_UNDEF:
1005	#if CBOR_SLOW	1231	#if CBOR_SLOW
1006	types_error = get_bool ("Types::Serialiser::error");	1232	types_error = get_bool ("Types::Serialiser::error");
1007	#endif	1233	#endif
1008	return newSVsv (types_error);	1234	return newSVsv (types_error);
1009		1235
1010	case 25:	1236	case MISC_FLOAT16:
1011	{	1237	{
1012	WANT (2);	1238	WANT (2);
1013		1239
1014	uint16_t fp = (dec->cur[0] << 8) | dec->cur[1];	1240	uint16_t fp = (dec->cur[0] << 8) | dec->cur[1];
1015	dec->cur += 2;	1241	dec->cur += 2;
1016		1242
1017	return newSVnv (ecb_binary16_to_float (fp));	1243	return newSVnv (ecb_binary16_to_float (fp));
1018	}	1244	}
1019		1245
1020	case 26:	1246	case MISC_FLOAT32:
1021	{	1247	{
1022	uint32_t fp;	1248	uint32_t fp;
1023	WANT (4);	1249	WANT (4);
1024	memcpy (&fp, dec->cur, 4);	1250	memcpy (&fp, dec->cur, 4);
1025	dec->cur += 4;	1251	dec->cur += 4;
…		…
1028	fp = ecb_bswap32 (fp);	1254	fp = ecb_bswap32 (fp);
1029		1255
1030	return newSVnv (ecb_binary32_to_float (fp));	1256	return newSVnv (ecb_binary32_to_float (fp));
1031	}	1257	}
1032		1258
1033	case 27:	1259	case MISC_FLOAT64:
1034	{	1260	{
1035	uint64_t fp;	1261	uint64_t fp;
1036	WANT (8);	1262	WANT (8);
1037	memcpy (&fp, dec->cur, 8);	1263	memcpy (&fp, dec->cur, 8);
1038	dec->cur += 8;	1264	dec->cur += 8;
…		…
1041	fp = ecb_bswap64 (fp);	1267	fp = ecb_bswap64 (fp);
1042		1268
1043	return newSVnv (ecb_binary64_to_double (fp));	1269	return newSVnv (ecb_binary64_to_double (fp));
1044	}	1270	}
1045		1271
1046	// 0..19 unassigned	1272	// 0..19 unassigned simple
1047	// 24 reserved + unassigned (reserved values are not encodable)	1273	// 24 reserved + unassigned simple (reserved values are not encodable)
		1274	// 28-30 unassigned misc
		1275	// 31 break code
1048	default:	1276	default:
1049	ERR ("corrupted CBOR data (reserved/unassigned major 7 value)");	1277	ERR ("corrupted CBOR data (reserved/unassigned/unexpected major 7 value)");
1050	}	1278	}
1051		1279
1052	break;	1280	break;
1053	}	1281	}
1054		1282
…		…
1057	}	1285	}
1058		1286
1059	static SV *	1287	static SV *
1060	decode_cbor (SV *string, CBOR *cbor, char **offset_return)	1288	decode_cbor (SV *string, CBOR *cbor, char **offset_return)
1061	{	1289	{
1062	dec_t dec = { };	1290	dec_t dec = { 0 };
1063	SV *sv;	1291	SV *sv;
1064	STRLEN len;	1292	STRLEN len;
1065	char *data = SvPVbyte (string, len);	1293	char *data = SvPVbyte (string, len);
1066		1294
1067	if (len > cbor->max_size && cbor->max_size)	1295	if (len > cbor->max_size && cbor->max_size)
…		…
1081	if (dec.cur != dec.end && !dec.err)	1309	if (dec.cur != dec.end && !dec.err)
1082	dec.err = "garbage after CBOR object";	1310	dec.err = "garbage after CBOR object";
1083		1311
1084	if (dec.err)	1312	if (dec.err)
1085	{	1313	{
		1314	if (dec.shareable)
		1315	{
		1316	// need to break cyclic links, which would all be in shareable
		1317	int i;
		1318	SV **svp;
		1319
		1320	for (i = av_len (dec.shareable) + 1; i--; )
		1321	if ((svp = av_fetch (dec.shareable, i, 0)))
		1322	sv_setsv (*svp, &PL_sv_undef);
		1323	}
		1324
1086	SvREFCNT_dec (sv);	1325	SvREFCNT_dec_NN (sv);
		1326
		1327	if (dec.err_sv)
		1328	sv_2mortal (dec.err_sv);
		1329
1087	croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur);	1330	croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur);
1088	}	1331	}
1089		1332
1090	sv = sv_2mortal (sv);	1333	sv = sv_2mortal (sv);
1091		1334
1092	return sv;	1335	return sv;
1093	}	1336	}
1094		1337
		1338	/////////////////////////////////////////////////////////////////////////////
		1339	// incremental parser
		1340
		1341	#define INCR_DONE(cbor) (AvFILLp (cbor->incr_count) < 0)
		1342
		1343	// returns 0 for notyet, 1 for success or error
		1344	static int
		1345	incr_parse (CBOR *self, SV *cborstr)
		1346	{
		1347	STRLEN cur;
		1348	SvPV (cborstr, cur);
		1349
		1350	while (ecb_expect_true (self->incr_need <= cur))
		1351	{
		1352	// table of integer count bytes
		1353	static I8 incr_len[MINOR_MASK + 1] = {
		1354	0, 0, 0, 0, 0, 0, 0, 0,
		1355	0, 0, 0, 0, 0, 0, 0, 0,
		1356	0, 0, 0, 0, 0, 0, 0, 0,
		1357	1, 2, 4, 8,-1,-1,-1,-2
		1358	};
		1359
		1360	const U8 *p = SvPVX (cborstr) + self->incr_pos;
		1361	U8 m = *p & MINOR_MASK;
		1362	IV count = SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]);
		1363	I8 ilen = incr_len[m];
		1364
		1365	self->incr_need = self->incr_pos + 1;
		1366
		1367	if (ecb_expect_false (ilen < 0))
		1368	{
		1369	if (m != MINOR_INDEF)
		1370	return 1; // error
		1371
		1372	if (*p == (MAJOR_MISC | MINOR_INDEF))
		1373	{
		1374	if (count >= 0)
		1375	return 1; // error
		1376
		1377	count = 1;
		1378	}
		1379	else
		1380	{
		1381	av_push (self->incr_count, newSViv (-1)); //TODO: nest
		1382	count = -1;
		1383	}
		1384	}
		1385	else
		1386	{
		1387	self->incr_need += ilen;
		1388	if (ecb_expect_false (self->incr_need > cur))
		1389	return 0;
		1390
		1391	int major = *p >> MAJOR_SHIFT;
		1392
		1393	switch (major)
		1394	{
		1395	case MAJOR_TAG >> MAJOR_SHIFT:
		1396	++count; // tags merely prefix another value
		1397	break;
		1398
		1399	case MAJOR_BYTES >> MAJOR_SHIFT:
		1400	case MAJOR_TEXT >> MAJOR_SHIFT:
		1401	case MAJOR_ARRAY >> MAJOR_SHIFT:
		1402	case MAJOR_MAP >> MAJOR_SHIFT:
		1403	{
		1404	UV len;
		1405
		1406	if (ecb_expect_false (ilen))
		1407	{
		1408	len = 0;
		1409
		1410	do {
		1411	len = (len << 8) | *++p;
		1412	} while (--ilen);
		1413	}
		1414	else
		1415	len = m;
		1416
		1417	switch (major)
		1418	{
		1419	case MAJOR_BYTES >> MAJOR_SHIFT:
		1420	case MAJOR_TEXT >> MAJOR_SHIFT:
		1421	self->incr_need += len;
		1422	if (ecb_expect_false (self->incr_need > cur))
		1423	return 0;
		1424
		1425	break;
		1426
		1427	case MAJOR_MAP >> MAJOR_SHIFT:
		1428	len <<= 1;
		1429	case MAJOR_ARRAY >> MAJOR_SHIFT:
		1430	if (len)
		1431	{
		1432	av_push (self->incr_count, newSViv (len + 1)); //TODO: nest
		1433	count = len + 1;
		1434	}
		1435	break;
		1436	}
		1437	}
		1438	}
		1439	}
		1440
		1441	self->incr_pos = self->incr_need;
		1442
		1443	if (count > 0)
		1444	{
		1445	while (!--count)
		1446	{
		1447	if (!AvFILLp (self->incr_count))
		1448	return 1; // done
		1449
		1450	SvREFCNT_dec_NN (av_pop (self->incr_count));
		1451	count = SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]);
		1452	}
		1453
		1454	SvIVX (AvARRAY (self->incr_count)[AvFILLp (self->incr_count)]) = count;
		1455	}
		1456	}
		1457
		1458	return 0;
		1459	}
		1460
		1461
1095	/////////////////////////////////////////////////////////////////////////////	1462	/////////////////////////////////////////////////////////////////////////////
1096	// XS interface functions	1463	// XS interface functions
1097		1464
1098	MODULE = CBOR::XS PACKAGE = CBOR::XS	1465	MODULE = CBOR::XS PACKAGE = CBOR::XS
1099		1466
…		…
1111		1478
1112	default_filter = newSVpv ("CBOR::XS::default_filter", 0);	1479	default_filter = newSVpv ("CBOR::XS::default_filter", 0);
1113		1480
1114	sv_cbor = newSVpv ("CBOR", 0);	1481	sv_cbor = newSVpv ("CBOR", 0);
1115	SvREADONLY_on (sv_cbor);	1482	SvREADONLY_on (sv_cbor);
		1483
		1484	assert (("STRLEN must be an unsigned type", 0 <= (STRLEN)-1));
1116	}	1485	}
1117		1486
1118	PROTOTYPES: DISABLE	1487	PROTOTYPES: DISABLE
1119		1488
1120	void CLONE (...)	1489	void CLONE (...)
…		…
1139	void shrink (CBOR *self, int enable = 1)	1508	void shrink (CBOR *self, int enable = 1)
1140	ALIAS:	1509	ALIAS:
1141	shrink = F_SHRINK	1510	shrink = F_SHRINK
1142	allow_unknown = F_ALLOW_UNKNOWN	1511	allow_unknown = F_ALLOW_UNKNOWN
1143	allow_sharing = F_ALLOW_SHARING	1512	allow_sharing = F_ALLOW_SHARING
1144	allow_stringref = F_ALLOW_STRINGREF	1513	allow_cycles = F_ALLOW_CYCLES
		1514	forbid_objects = F_FORBID_OBJECTS
		1515	pack_strings = F_PACK_STRINGS
		1516	text_keys = F_TEXT_KEYS
		1517	text_strings = F_TEXT_STRINGS
		1518	validate_utf8 = F_VALIDATE_UTF8
1145	PPCODE:	1519	PPCODE:
1146	{	1520	{
1147	if (enable)	1521	if (enable)
1148	self->flags |= ix;	1522	self->flags |= ix;
1149	else	1523	else
…		…
1155	void get_shrink (CBOR *self)	1529	void get_shrink (CBOR *self)
1156	ALIAS:	1530	ALIAS:
1157	get_shrink = F_SHRINK	1531	get_shrink = F_SHRINK
1158	get_allow_unknown = F_ALLOW_UNKNOWN	1532	get_allow_unknown = F_ALLOW_UNKNOWN
1159	get_allow_sharing = F_ALLOW_SHARING	1533	get_allow_sharing = F_ALLOW_SHARING
1160	get_allow_stringref = F_ALLOW_STRINGREF	1534	get_allow_cycles = F_ALLOW_CYCLES
		1535	get_forbid_objects = F_FORBID_OBJECTS
		1536	get_pack_strings = F_PACK_STRINGS
		1537	get_text_keys = F_TEXT_KEYS
		1538	get_text_strings = F_TEXT_STRINGS
		1539	get_validate_utf8 = F_VALIDATE_UTF8
1161	PPCODE:	1540	PPCODE:
1162	XPUSHs (boolSV (self->flags & ix));	1541	XPUSHs (boolSV (self->flags & ix));
1163		1542
1164	void max_depth (CBOR *self, U32 max_depth = 0x80000000UL)	1543	void max_depth (CBOR *self, U32 max_depth = 0x80000000UL)
1165	PPCODE:	1544	PPCODE:
…		…
1214	EXTEND (SP, 2);	1593	EXTEND (SP, 2);
1215	PUSHs (sv);	1594	PUSHs (sv);
1216	PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr))));	1595	PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr))));
1217	}	1596	}
1218		1597
		1598	void incr_parse (CBOR *self, SV *cborstr)
		1599	ALIAS:
		1600	incr_parse_multiple = 1
		1601	PPCODE:
		1602	{
		1603	if (SvUTF8 (cborstr))
		1604	sv_utf8_downgrade (cborstr, 0);
		1605
		1606	if (!self->incr_count)
		1607	{
		1608	self->incr_count = newAV ();
		1609	self->incr_pos = 0;
		1610	self->incr_need = 1;
		1611
		1612	av_push (self->incr_count, newSViv (1));
		1613	}
		1614
		1615	do
		1616	{
		1617	if (!incr_parse (self, cborstr))
		1618	{
		1619	if (self->incr_need > self->max_size && self->max_size)
		1620	croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu",
		1621	(unsigned long)self->incr_need, (unsigned long)self->max_size);
		1622
		1623	break;
		1624	}
		1625
		1626	SV *sv;
		1627	char *offset;
		1628
		1629	PUTBACK; sv = decode_cbor (cborstr, self, &offset); SPAGAIN;
		1630	XPUSHs (sv);
		1631
		1632	sv_chop (cborstr, offset);
		1633
		1634	av_clear (self->incr_count);
		1635	av_push (self->incr_count, newSViv (1));
		1636
		1637	self->incr_pos = 0;
		1638	self->incr_need = self->incr_pos + 1;
		1639	}
		1640	while (ix);
		1641	}
		1642
		1643	void incr_reset (CBOR *self)
		1644	CODE:
		1645	{
		1646	SvREFCNT_dec (self->incr_count);
		1647	self->incr_count = 0;
		1648	}
		1649
1219	void DESTROY (CBOR *self)	1650	void DESTROY (CBOR *self)
1220	PPCODE:	1651	PPCODE:
1221	cbor_free (self);	1652	cbor_free (self);
1222		1653
1223	PROTOTYPES: ENABLE	1654	PROTOTYPES: ENABLE
1224		1655
1225	void encode_cbor (SV *scalar)	1656	void encode_cbor (SV *scalar)
		1657	ALIAS:
		1658	encode_cbor = 0
		1659	encode_cbor_sharing = F_ALLOW_SHARING
1226	PPCODE:	1660	PPCODE:
1227	{	1661	{
1228	CBOR cbor;	1662	CBOR cbor;
1229	cbor_init (&cbor);	1663	cbor_init (&cbor);
		1664	cbor.flags |= ix;
1230	PUTBACK; scalar = encode_cbor (scalar, &cbor); SPAGAIN;	1665	PUTBACK; scalar = encode_cbor (scalar, &cbor); SPAGAIN;
1231	XPUSHs (scalar);	1666	XPUSHs (scalar);
1232	}	1667	}
1233		1668
1234	void decode_cbor (SV *cborstr)	1669	void decode_cbor (SV *cborstr)
…		…
1238	cbor_init (&cbor);	1673	cbor_init (&cbor);
1239	PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN;	1674	PUTBACK; cborstr = decode_cbor (cborstr, &cbor, 0); SPAGAIN;
1240	XPUSHs (cborstr);	1675	XPUSHs (cborstr);
1241	}	1676	}
1242		1677
		1678	#ifdef __AFL_COMPILER
		1679
		1680	void
		1681	afl_init ()
		1682	CODE:
		1683	__AFL_INIT ();
		1684
		1685	int
		1686	afl_loop (unsigned int count = 10000)
		1687	CODE:
		1688	RETVAL = __AFL_LOOP (count);
		1689	OUTPUT:
		1690	RETVAL
		1691
		1692	#endif
		1693

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