summaryrefslogtreecommitdiffstats
path: root/plugins/uriparser/Uri.h
blob: 4a185808be34ee22606876bda3544e0a54dcf6ee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
/*
 * uriparser - RFC 3986 URI parsing library
 *
 * Copyright (C) 2007, Weijia Song <songweijia@gmail.com>
 * Copyright (C) 2007, Sebastian Pipping <webmaster@hartwork.org>
 * All rights reserved.
 *
 * Redistribution  and use in source and binary forms, with or without
 * modification,  are permitted provided that the following conditions
 * are met:
 *
 *     * Redistributions   of  source  code  must  retain  the   above
 *       copyright  notice, this list of conditions and the  following
 *       disclaimer.
 *
 *     * Redistributions  in  binary  form must  reproduce  the  above
 *       copyright  notice, this list of conditions and the  following
 *       disclaimer   in  the  documentation  and/or  other  materials
 *       provided with the distribution.
 *
 *     * Neither  the name of the <ORGANIZATION> nor the names of  its
 *       contributors  may  be  used to endorse  or  promote  products
 *       derived  from  this software without specific  prior  written
 *       permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT  NOT
 * LIMITED  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND  FITNESS
 * FOR  A  PARTICULAR  PURPOSE ARE DISCLAIMED. IN NO EVENT  SHALL  THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL,    SPECIAL,   EXEMPLARY,   OR   CONSEQUENTIAL   DAMAGES
 * (INCLUDING,  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES;  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT  LIABILITY,  OR  TORT (INCLUDING  NEGLIGENCE  OR  OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @file Uri.h
 * Holds the RFC 3986 %URI parser interface.
 * NOTE: This header includes itself twice.
 */

#if (defined(URI_PASS_ANSI) && !defined(URI_H_ANSI)) \
	|| (defined(URI_PASS_UNICODE) && !defined(URI_H_UNICODE)) \
	|| (!defined(URI_PASS_ANSI) && !defined(URI_PASS_UNICODE))
/* What encodings are enabled? */
#include "UriDefsConfig.h"
#if (!defined(URI_PASS_ANSI) && !defined(URI_PASS_UNICODE))
/* Include SELF twice */
# ifdef URI_ENABLE_ANSI
#  define URI_PASS_ANSI 1
#  include "Uri.h"
#  undef URI_PASS_ANSI
# endif
# ifdef URI_ENABLE_UNICODE
#  define URI_PASS_UNICODE 1
#  include "Uri.h"
#  undef URI_PASS_UNICODE
# endif
/* Only one pass for each encoding */
#elif (defined(URI_PASS_ANSI) && !defined(URI_H_ANSI) \
	&& defined(URI_ENABLE_ANSI)) || (defined(URI_PASS_UNICODE) \
	&& !defined(URI_H_UNICODE) && defined(URI_ENABLE_UNICODE))
# ifdef URI_PASS_ANSI
#  define URI_H_ANSI 1
#  include "UriDefsAnsi.h"
# else
#  define URI_H_UNICODE 1
#  include "UriDefsUnicode.h"
# endif



#ifdef __cplusplus
extern "C" {
#endif



#ifndef URI_DOXYGEN
# include "UriBase.h"
#endif



/**
 * Specifies a range of characters within a string.
 * The range includes all characters from <c>first</c>
 * to one before <c>afterLast</c>. So if both are
 * non-NULL the difference is the length of the text range.
 *
 * @see UriUriA
 * @see UriPathSegmentA
 * @see UriHostDataA
 * @since 0.3.0
 */
typedef struct URI_TYPE(TextRangeStruct) {
	const URI_CHAR * first; /**< Pointer to first character */
	const URI_CHAR * afterLast; /**< Pointer to character after the last one still in */
} URI_TYPE(TextRange); /**< @copydoc UriTextRangeStructA */



/**
 * Represents a path segment within a %URI path.
 * More precisely it is a node in a linked
 * list of path segments.
 *
 * @see UriUriA
 * @since 0.3.0
 */
typedef struct URI_TYPE(PathSegmentStruct) {
	URI_TYPE(TextRange) text; /**< Path segment name */
	struct URI_TYPE(PathSegmentStruct) * next; /**< Pointer to the next path segment in the list, can be NULL if last already */

	void * reserved; /**< Reserved to the parser */
} URI_TYPE(PathSegment); /**< @copydoc UriPathSegmentStructA */



/**
 * Holds structured host information.
 * This is either a IPv4, IPv6, plain
 * text for IPvFuture or all zero for
 * a registered name.
 *
 * @see UriUriA
 * @since 0.3.0
 */
typedef struct URI_TYPE(HostDataStruct) {
	UriIp4 * ip4; /**< IPv4 address */
	UriIp6 * ip6; /**< IPv6 address */
	URI_TYPE(TextRange) ipFuture; /**< IPvFuture address */
} URI_TYPE(HostData); /**< @copydoc UriHostDataStructA */



/**
 * Represents an RFC 3986 %URI.
 * Missing components can be {NULL, NULL} ranges.
 *
 * @see uriParseUriA
 * @see uriFreeUriMembersA
 * @see UriParserStateA
 * @since 0.3.0
 */
typedef struct URI_TYPE(UriStruct) {
	URI_TYPE(TextRange) scheme; /**< Scheme (e.g. "http") */
	URI_TYPE(TextRange) userInfo; /**< User info (e.g. "user:pass") */
	URI_TYPE(TextRange) hostText; /**< Host text (set for all hosts, excluding square brackets) */
	URI_TYPE(HostData) hostData; /**< Structured host type specific data */
	URI_TYPE(TextRange) portText; /**< Port (e.g. "80") */
	URI_TYPE(PathSegment) * pathHead; /**< Head of a linked list of path segments */
	URI_TYPE(PathSegment) * pathTail; /**< Tail of the list behind pathHead */
	URI_TYPE(TextRange) query; /**< Query without leading "?" */
	URI_TYPE(TextRange) fragment; /**< Query without leading "#" */
	UriBool absolutePath; /**< Absolute path flag, distincting "a" and "/a" */
	UriBool owner; /**< Memory owner flag */

	void * reserved; /**< Reserved to the parser */
} URI_TYPE(Uri); /**< @copydoc UriUriStructA */



/**
 * Represents a state of the %URI parser.
 * Missing components can be NULL to reflect
 * a components absence.
 *
 * @see uriFreeUriMembersA
 * @since 0.3.0
 */
typedef struct URI_TYPE(ParserStateStruct) {
	URI_TYPE(Uri) * uri; /**< Plug in the %URI structure to be filled while parsing here */
	int errorCode; /**< Code identifying the occured error */
	const URI_CHAR * errorPos; /**< Pointer to position in case of a syntax error */

	void * reserved; /**< Reserved to the parser */
} URI_TYPE(ParserState); /**< @copydoc UriParserStateStructA */



/**
 * Represents a query element.
 * More precisely it is a node in a linked
 * list of query elements.
 *
 * @since 0.7.0
 */
typedef struct URI_TYPE(QueryListStruct) {
	const URI_CHAR * key; /**< Key of the query element */
	const URI_CHAR * value; /**< Value of the query element, can be NULL */

	struct URI_TYPE(QueryListStruct) * next; /**< Pointer to the next key/value pair in the list, can be NULL if last already */
} URI_TYPE(QueryList); /**< @copydoc UriQueryListStructA */



/**
 * Parses a RFC 3986 URI.
 *
 * @param state       <b>INOUT</b>: Parser state with set output %URI, must not be NULL
 * @param first       <b>IN</b>: Pointer to the first character to parse, must not be NULL
 * @param afterLast   <b>IN</b>: Pointer to the character after the last to parse, must not be NULL
 * @return            0 on success, error code otherwise
 *
 * @see uriParseUriA
 * @see uriToStringA
 * @since 0.3.0
 */
int URI_FUNC(ParseUriEx)(URI_TYPE(ParserState) * state,
		const URI_CHAR * first, const URI_CHAR * afterLast);



/**
 * Parses a RFC 3986 %URI.
 *
 * @param state   <b>INOUT</b>: Parser state with set output %URI, must not be NULL
 * @param text    <b>IN</b>: Text to parse, must not be NULL
 * @return        0 on success, error code otherwise
 *
 * @see uriParseUriExA
 * @see uriToStringA
 * @since 0.3.0
 */
int URI_FUNC(ParseUri)(URI_TYPE(ParserState) * state,
		const URI_CHAR * text);



/**
 * Frees all memory associated with the members
 * of the %URI structure. Note that the structure
 * itself is not freed, only its members.
 *
 * @param uri   <b>INOUT</b>: %URI structure whose members should be freed
 *
 * @since 0.3.0
 */
void URI_FUNC(FreeUriMembers)(URI_TYPE(Uri) * uri);



/**
 * Percent-encodes all unreserved characters from the input string and
 * writes the encoded version to the output string.
 * Be sure to allocate <b>3 times</b> the space of the input buffer for
 * the output buffer for <c>normalizeBreaks == URI_FALSE</c> and <b>6 times</b>
 * the space for <c>normalizeBreaks == URI_TRUE</c>
 * (since e.g. "\x0d" becomes "%0D%0A" in that case)
 *
 * @param inFirst           <b>IN</b>: Pointer to first character of the input text
 * @param inAfterLast       <b>IN</b>: Pointer after the last character of the input text
 * @param out               <b>OUT</b>: Encoded text destination
 * @param spaceToPlus       <b>IN</b>: Wether to convert ' ' to '+' or not
 * @param normalizeBreaks   <b>IN</b>: Wether to convert CR and LF to CR-LF or not.
 * @return                  Position of terminator in output string
 *
 * @see uriEscapeA
 * @see uriUnescapeInPlaceExA
 * @since 0.5.2
 */
URI_CHAR * URI_FUNC(EscapeEx)(const URI_CHAR * inFirst,
		const URI_CHAR * inAfterLast, URI_CHAR * out,
		UriBool spaceToPlus, UriBool normalizeBreaks);



/**
 * Percent-encodes all unreserved characters from the input string and
 * writes the encoded version to the output string.
 * Be sure to allocate <b>3 times</b> the space of the input buffer for
 * the output buffer for <c>normalizeBreaks == URI_FALSE</c> and <b>6 times</b>
 * the space for <c>normalizeBreaks == URI_TRUE</c>
 * (since e.g. "\x0d" becomes "%0D%0A" in that case)
 *
 * @param in                <b>IN</b>: Text source
 * @param out               <b>OUT</b>: Encoded text destination
 * @param spaceToPlus       <b>IN</b>: Wether to convert ' ' to '+' or not
 * @param normalizeBreaks   <b>IN</b>: Wether to convert CR and LF to CR-LF or not.
 * @return                  Position of terminator in output string
 *
 * @see uriEscapeExA
 * @see uriUnescapeInPlaceA
 * @since 0.5.0
 */
URI_CHAR * URI_FUNC(Escape)(const URI_CHAR * in, URI_CHAR * out,
		UriBool spaceToPlus, UriBool normalizeBreaks);



/**
 * Unescapes percent-encoded groups in a given string.
 * E.g. "%20" will become " ". Unescaping is done in place.
 * The return value will be point to the new position
 * of the terminating zero. Use this value to get the new
 * length of the string. NULL is only returned if <c>inout</c>
 * is NULL.
 *
 * @param inout             <b>INOUT</b>: Text to unescape/decode
 * @param plusToSpace       <b>IN</b>: Whether to convert '+' to ' ' or not
 * @param breakConversion   <b>IN</b>: Line break conversion mode
 * @return                  Pointer to new position of the terminating zero
 *
 * @see uriUnescapeInPlaceA
 * @see uriEscapeExA
 * @since 0.5.0
 */
const URI_CHAR * URI_FUNC(UnescapeInPlaceEx)(URI_CHAR * inout,
		UriBool plusToSpace, UriBreakConversion breakConversion);



/**
 * Unescapes percent-encoded groups in a given string.
 * E.g. "%20" will become " ". Unescaping is done in place.
 * The return value will be point to the new position
 * of the terminating zero. Use this value to get the new
 * length of the string. NULL is only returned if <c>inout</c>
 * is NULL.
 *
 * NOTE: '+' is not decoded to ' ' and line breaks are not converted.
 * Use the more advanced UnescapeInPlaceEx for that features instead.
 *
 * @param inout   <b>INOUT</b>: Text to unescape/decode
 * @return        Pointer to new position of the terminating zero
 *
 * @see uriUnescapeInPlaceExA
 * @see uriEscapeA
 * @since 0.3.0
 */
const URI_CHAR * URI_FUNC(UnescapeInPlace)(URI_CHAR * inout);



/**
 * Performs reference resolution as described in
 * <a href="http://tools.ietf.org/html/rfc3986#section-5.2.2">section 5.2.2 of RFC 3986</a>.
 * NOTE: On success you have to call uriFreeUriMembersA on \p absoluteDest manually later.
 *
 * @param absoluteDest     <b>OUT</b>: Result %URI
 * @param relativeSource   <b>IN</b>: Reference to resolve
 * @param absoluteBase     <b>IN</b>: Base %URI to apply
 * @return                 Error code or 0 on success
 *
 * @see uriRemoveBaseUriA, uriAddBaseUriExA
 * @since 0.4.0
 */
int URI_FUNC(AddBaseUri)(URI_TYPE(Uri) * absoluteDest,
		const URI_TYPE(Uri) * relativeSource,
		const URI_TYPE(Uri) * absoluteBase);



/**
 * Performs reference resolution as described in
 * <a href="http://tools.ietf.org/html/rfc3986#section-5.2.2">section 5.2.2 of RFC 3986</a>.
 * NOTE: On success you have to call uriFreeUriMembersA on \p absoluteDest manually later.
 *
 * @param absoluteDest     <b>OUT</b>: Result %URI
 * @param relativeSource   <b>IN</b>: Reference to resolve
 * @param absoluteBase     <b>IN</b>: Base %URI to apply
 * @param options          <b>IN</b>: Configuration to apply
 * @return                 Error code or 0 on success
 *
 * @see uriRemoveBaseUriA, uriAddBaseUriA
 * @since 0.8.1
 */
int URI_FUNC(AddBaseUriEx)(URI_TYPE(Uri) * absoluteDest,
		const URI_TYPE(Uri) * relativeSource,
		const URI_TYPE(Uri) * absoluteBase,
		UriResolutionOptions options);



/**
 * Tries to make a relative %URI (a reference) from an
 * absolute %URI and a given base %URI. This can only work if
 * the absolute %URI shares scheme and authority with
 * the base %URI. If it does not the result will still be
 * an absolute URI (with scheme part if necessary).
 * NOTE: On success you have to call uriFreeUriMembersA on
 * \p dest manually later.
 *
 * @param dest             <b>OUT</b>: Result %URI
 * @param absoluteSource   <b>IN</b>: Absolute %URI to make relative
 * @param absoluteBase     <b>IN</b>: Base %URI
 * @param domainRootMode   <b>IN</b>: Create %URI with path relative to domain root
 * @return                 Error code or 0 on success
 *
 * @see uriAddBaseUriA, uriAddBaseUriExA
 * @since 0.5.2
 */
int URI_FUNC(RemoveBaseUri)(URI_TYPE(Uri) * dest,
		const URI_TYPE(Uri) * absoluteSource,
		const URI_TYPE(Uri) * absoluteBase,
		UriBool domainRootMode);



/**
 * Checks two URIs for equivalence. Comparison is done
 * the naive way, without prior normalization.
 * NOTE: Two <c>NULL</c> URIs are equal as well.
 *
 * @param a   <b>IN</b>: First %URI
 * @param b   <b>IN</b>: Second %URI
 * @return    <c>URI_TRUE</c> when equal, <c>URI_FAlSE</c> else
 *
 * @since 0.4.0
 */
UriBool URI_FUNC(EqualsUri)(const URI_TYPE(Uri) * a, const URI_TYPE(Uri) * b);



/**
 * Calculates the number of characters needed to store the
 * string representation of the given %URI excluding the
 * terminator.
 *
 * @param uri             <b>IN</b>: %URI to measure
 * @param charsRequired   <b>OUT</b>: Length of the string representation in characters <b>excluding</b> terminator
 * @return                Error code or 0 on success
 *
 * @see uriToStringA
 * @since 0.5.0
 */
int URI_FUNC(ToStringCharsRequired)(const URI_TYPE(Uri) * uri,
		int * charsRequired);



/**
 * Converts a %URI structure back to text as described in
 * <a href="http://tools.ietf.org/html/rfc3986#section-5.3">section 5.3 of RFC 3986</a>.
 *
 * @param dest           <b>OUT</b>: Output destination
 * @param uri            <b>IN</b>: %URI to convert
 * @param maxChars       <b>IN</b>: Maximum number of characters to copy <b>including</b> terminator
 * @param charsWritten   <b>OUT</b>: Number of characters written, can be lower than maxChars even if the %URI is too long!
 * @return               Error code or 0 on success
 *
 * @see uriToStringCharsRequiredA
 * @since 0.4.0
 */
int URI_FUNC(ToString)(URI_CHAR * dest, const URI_TYPE(Uri) * uri, int maxChars, int * charsWritten);



/**
 * Determines the components of a %URI that are not normalized.
 *
 * @param uri   <b>IN</b>: %URI to check
 * @return      Normalization job mask
 *
 * @see uriNormalizeSyntaxA
 * @since 0.5.0
 */
unsigned int URI_FUNC(NormalizeSyntaxMaskRequired)(const URI_TYPE(Uri) * uri);



/**
 * Normalizes a %URI using a normalization mask.
 * The normalization mask decides what components are normalized.
 *
 * NOTE: If necessary the %URI becomes owner of all memory
 * behind the text pointed to. Text is duplicated in that case.
 *
 * @param uri    <b>INOUT</b>: %URI to normalize
 * @param mask   <b>IN</b>: Normalization mask
 * @return       Error code or 0 on success
 *
 * @see uriNormalizeSyntaxA
 * @see uriNormalizeSyntaxMaskRequiredA
 * @since 0.5.0
 */
int URI_FUNC(NormalizeSyntaxEx)(URI_TYPE(Uri) * uri, unsigned int mask);



/**
 * Normalizes all components of a %URI.
 *
 * NOTE: If necessary the %URI becomes owner of all memory
 * behind the text pointed to. Text is duplicated in that case.
 *
 * @param uri   <b>INOUT</b>: %URI to normalize
 * @return      Error code or 0 on success
 *
 * @see uriNormalizeSyntaxExA
 * @see uriNormalizeSyntaxMaskRequiredA
 * @since 0.5.0
 */
int URI_FUNC(NormalizeSyntax)(URI_TYPE(Uri) * uri);



/**
 * Converts a Unix filename to a %URI string.
 * The destination buffer must be large enough to hold 7 + 3 * len(filename) + 1
 * characters in case of an absolute filename or 3 * len(filename) + 1 in case
 * of a relative filename.
 *
 * EXAMPLE
 *   Input:  "/bin/bash"
 *   Output: "file:///bin/bash"
 *
 * @param filename     <b>IN</b>: Unix filename to convert
 * @param uriString    <b>OUT</b>: Destination to write %URI string to
 * @return             Error code or 0 on success
 *
 * @see uriUriStringToUnixFilenameA
 * @see uriWindowsFilenameToUriStringA
 * @since 0.5.2
 */
int URI_FUNC(UnixFilenameToUriString)(const URI_CHAR * filename,
		URI_CHAR * uriString);



/**
 * Converts a Windows filename to a %URI string.
 * The destination buffer must be large enough to hold 8 + 3 * len(filename) + 1
 * characters in case of an absolute filename or 3 * len(filename) + 1 in case
 * of a relative filename.
 *
 * EXAMPLE
 *   Input:  "E:\\Documents and Settings"
 *   Output: "file:///E:/Documents%20and%20Settings"
 *
 * @param filename     <b>IN</b>: Windows filename to convert
 * @param uriString    <b>OUT</b>: Destination to write %URI string to
 * @return             Error code or 0 on success
 *
 * @see uriUriStringToWindowsFilenameA
 * @see uriUnixFilenameToUriStringA
 * @since 0.5.2
 */
int URI_FUNC(WindowsFilenameToUriString)(const URI_CHAR * filename,
		URI_CHAR * uriString);



/**
 * Extracts a Unix filename from a %URI string.
 * The destination buffer must be large enough to hold len(uriString) + 1 - 7
 * characters in case of an absolute %URI or len(uriString) + 1 in case
 * of a relative %URI.
 *
 * @param uriString    <b>IN</b>: %URI string to convert
 * @param filename     <b>OUT</b>: Destination to write filename to
 * @return             Error code or 0 on success
 *
 * @see uriUnixFilenameToUriStringA
 * @see uriUriStringToWindowsFilenameA
 * @since 0.5.2
 */
int URI_FUNC(UriStringToUnixFilename)(const URI_CHAR * uriString,
		URI_CHAR * filename);



/**
 * Extracts a Windows filename from a %URI string.
 * The destination buffer must be large enough to hold len(uriString) + 1 - 8
 * characters in case of an absolute %URI or len(uriString) + 1 in case
 * of a relative %URI.
 *
 * @param uriString    <b>IN</b>: %URI string to convert
 * @param filename     <b>OUT</b>: Destination to write filename to
 * @return             Error code or 0 on success
 *
 * @see uriWindowsFilenameToUriStringA
 * @see uriUriStringToUnixFilenameA
 * @since 0.5.2
 */
int URI_FUNC(UriStringToWindowsFilename)(const URI_CHAR * uriString,
		URI_CHAR * filename);



/**
 * Calculates the number of characters needed to store the
 * string representation of the given query list excluding the
 * terminator. It is assumed that line breaks are will be
 * normalized to "%0D%0A".
 *
 * @param queryList         <b>IN</b>: Query list to measure
 * @param charsRequired     <b>OUT</b>: Length of the string representation in characters <b>excluding</b> terminator
 * @return                  Error code or 0 on success
 *
 * @see uriComposeQueryCharsRequiredExA
 * @see uriComposeQueryA
 * @since 0.7.0
 */
int URI_FUNC(ComposeQueryCharsRequired)(const URI_TYPE(QueryList) * queryList,
		int * charsRequired);



/**
 * Calculates the number of characters needed to store the
 * string representation of the given query list excluding the
 * terminator.
 *
 * @param queryList         <b>IN</b>: Query list to measure
 * @param charsRequired     <b>OUT</b>: Length of the string representation in characters <b>excluding</b> terminator
 * @param spaceToPlus       <b>IN</b>: Wether to convert ' ' to '+' or not
 * @param normalizeBreaks   <b>IN</b>: Wether to convert CR and LF to CR-LF or not.
 * @return                  Error code or 0 on success
 *
 * @see uriComposeQueryCharsRequiredA
 * @see uriComposeQueryExA
 * @since 0.7.0
 */
int URI_FUNC(ComposeQueryCharsRequiredEx)(const URI_TYPE(QueryList) * queryList,
		int * charsRequired, UriBool spaceToPlus, UriBool normalizeBreaks);



/**
 * Converts a query list structure back to a query string.
 * The composed string does not start with '?',
 * on the way ' ' is converted to '+' and line breaks are
 * normalized to "%0D%0A".
 *
 * @param dest              <b>OUT</b>: Output destination
 * @param queryList         <b>IN</b>: Query list to convert
 * @param maxChars          <b>IN</b>: Maximum number of characters to copy <b>including</b> terminator
 * @param charsWritten      <b>OUT</b>: Number of characters written, can be lower than maxChars even if the query list is too long!
 * @return                  Error code or 0 on success
 *
 * @see uriComposeQueryExA
 * @see uriComposeQueryMallocA
 * @see uriComposeQueryCharsRequiredA
 * @see uriDissectQueryMallocA
 * @since 0.7.0
 */
int URI_FUNC(ComposeQuery)(URI_CHAR * dest,
		const URI_TYPE(QueryList) * queryList, int maxChars, int * charsWritten);



/**
 * Converts a query list structure back to a query string.
 * The composed string does not start with '?'.
 *
 * @param dest              <b>OUT</b>: Output destination
 * @param queryList         <b>IN</b>: Query list to convert
 * @param maxChars          <b>IN</b>: Maximum number of characters to copy <b>including</b> terminator
 * @param charsWritten      <b>OUT</b>: Number of characters written, can be lower than maxChars even if the query list is too long!
 * @param spaceToPlus       <b>IN</b>: Wether to convert ' ' to '+' or not
 * @param normalizeBreaks   <b>IN</b>: Wether to convert CR and LF to CR-LF or not.
 * @return                  Error code or 0 on success
 *
 * @see uriComposeQueryA
 * @see uriComposeQueryMallocExA
 * @see uriComposeQueryCharsRequiredExA
 * @see uriDissectQueryMallocExA
 * @since 0.7.0
 */
int URI_FUNC(ComposeQueryEx)(URI_CHAR * dest,
		const URI_TYPE(QueryList) * queryList, int maxChars, int * charsWritten,
		UriBool spaceToPlus, UriBool normalizeBreaks);



/**
 * Converts a query list structure back to a query string.
 * Memory for this string is allocated internally.
 * The composed string does not start with '?',
 * on the way ' ' is converted to '+' and line breaks are
 * normalized to "%0D%0A".
 *
 * @param dest              <b>OUT</b>: Output destination
 * @param queryList         <b>IN</b>: Query list to convert
 * @return                  Error code or 0 on success
 *
 * @see uriComposeQueryMallocExA
 * @see uriComposeQueryA
 * @see uriDissectQueryMallocA
 * @since 0.7.0
 */
int URI_FUNC(ComposeQueryMalloc)(URI_CHAR ** dest,
		const URI_TYPE(QueryList) * queryList);



/**
 * Converts a query list structure back to a query string.
 * Memory for this string is allocated internally.
 * The composed string does not start with '?'.
 *
 * @param dest              <b>OUT</b>: Output destination
 * @param queryList         <b>IN</b>: Query list to convert
 * @param spaceToPlus       <b>IN</b>: Wether to convert ' ' to '+' or not
 * @param normalizeBreaks   <b>IN</b>: Wether to convert CR and LF to CR-LF or not.
 * @return                  Error code or 0 on success
 *
 * @see uriComposeQueryMallocA
 * @see uriComposeQueryExA
 * @see uriDissectQueryMallocExA
 * @since 0.7.0
 */
int URI_FUNC(ComposeQueryMallocEx)(URI_CHAR ** dest,
		const URI_TYPE(QueryList) * queryList,
		UriBool spaceToPlus, UriBool normalizeBreaks);



/**
 * Constructs a query list from the raw query string of a given URI.
 * On the way '+' is converted back to ' ', line breaks are not modified.
 *
 * @param dest              <b>OUT</b>: Output destination
 * @param itemCount         <b>OUT</b>: Number of items found, can be NULL
 * @param first             <b>IN</b>: Pointer to first character <b>after</b> '?'
 * @param afterLast         <b>IN</b>: Pointer to character after the last one still in
 * @return                  Error code or 0 on success
 *
 * @see uriDissectQueryMallocExA
 * @see uriComposeQueryA
 * @see uriFreeQueryListA
 * @since 0.7.0
 */
int URI_FUNC(DissectQueryMalloc)(URI_TYPE(QueryList) ** dest, int * itemCount,
		const URI_CHAR * first, const URI_CHAR * afterLast);



/**
 * Constructs a query list from the raw query string of a given URI.
 *
 * @param dest              <b>OUT</b>: Output destination
 * @param itemCount         <b>OUT</b>: Number of items found, can be NULL
 * @param first             <b>IN</b>: Pointer to first character <b>after</b> '?'
 * @param afterLast         <b>IN</b>: Pointer to character after the last one still in
 * @param plusToSpace       <b>IN</b>: Whether to convert '+' to ' ' or not
 * @param breakConversion   <b>IN</b>: Line break conversion mode
 * @return                  Error code or 0 on success
 *
 * @see uriDissectQueryMallocA
 * @see uriComposeQueryExA
 * @see uriFreeQueryListA
 * @since 0.7.0
 */
int URI_FUNC(DissectQueryMallocEx)(URI_TYPE(QueryList) ** dest, int * itemCount,
		const URI_CHAR * first, const URI_CHAR * afterLast,
		UriBool plusToSpace, UriBreakConversion breakConversion);



/**
 * Frees all memory associated with the given query list.
 * The structure itself is freed as well.
 *
 * @param queryList   <b>INOUT</b>: Query list to free
 *
 * @since 0.7.0
 */
void URI_FUNC(FreeQueryList)(URI_TYPE(QueryList) * queryList);



#ifdef __cplusplus
}
#endif



#endif
#endif