1 /* This file is included!
2 __ __ _
3 ___\ \/ /_ __ __ _| |_
4 / _ \\ /| '_ \ / _` | __|
5 | __// \| |_) | (_| | |_
6 \___/_/\_\ .__/ \__,_|\__|
7 |_| XML parser
8
9 Copyright (c) 1997-2000 Thai Open Source Software Center Ltd
10 Copyright (c) 2000-2017 Expat development team
11 Licensed under the MIT license:
12
13 Permission is hereby granted, free of charge, to any person obtaining
14 a copy of this software and associated documentation files (the
15 "Software"), to deal in the Software without restriction, including
16 without limitation the rights to use, copy, modify, merge, publish,
17 distribute, sublicense, and/or sell copies of the Software, and to permit
18 persons to whom the Software is furnished to do so, subject to the
19 following conditions:
20
21 The above copyright notice and this permission notice shall be included
22 in all copies or substantial portions of the Software.
23
24 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
27 NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
28 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
29 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
30 USE OR OTHER DEALINGS IN THE SOFTWARE.
31 */
32
33 #ifdef XML_TOK_NS_C
34
35 const ENCODING *
NS(XmlGetUtf8InternalEncoding)36 NS(XmlGetUtf8InternalEncoding)(void) {
37 return &ns(internal_utf8_encoding).enc;
38 }
39
40 const ENCODING *
NS(XmlGetUtf16InternalEncoding)41 NS(XmlGetUtf16InternalEncoding)(void) {
42 # if BYTEORDER == 1234
43 return &ns(internal_little2_encoding).enc;
44 # elif BYTEORDER == 4321
45 return &ns(internal_big2_encoding).enc;
46 # else
47 const short n = 1;
48 return (*(const char *)&n ? &ns(internal_little2_encoding).enc
49 : &ns(internal_big2_encoding).enc);
50 # endif
51 }
52
53 static const ENCODING *const NS(encodings)[] = {
54 &ns(latin1_encoding).enc, &ns(ascii_encoding).enc,
55 &ns(utf8_encoding).enc, &ns(big2_encoding).enc,
56 &ns(big2_encoding).enc, &ns(little2_encoding).enc,
57 &ns(utf8_encoding).enc /* NO_ENC */
58 };
59
60 static int PTRCALL
NS(initScanProlog)61 NS(initScanProlog)(const ENCODING *enc, const char *ptr, const char *end,
62 const char **nextTokPtr) {
63 return initScan(NS(encodings), (const INIT_ENCODING *)enc, XML_PROLOG_STATE,
64 ptr, end, nextTokPtr);
65 }
66
67 static int PTRCALL
NS(initScanContent)68 NS(initScanContent)(const ENCODING *enc, const char *ptr, const char *end,
69 const char **nextTokPtr) {
70 return initScan(NS(encodings), (const INIT_ENCODING *)enc, XML_CONTENT_STATE,
71 ptr, end, nextTokPtr);
72 }
73
74 int
NS(XmlInitEncoding)75 NS(XmlInitEncoding)(INIT_ENCODING *p, const ENCODING **encPtr,
76 const char *name) {
77 int i = getEncodingIndex(name);
78 if (i == UNKNOWN_ENC)
79 return 0;
80 SET_INIT_ENC_INDEX(p, i);
81 p->initEnc.scanners[XML_PROLOG_STATE] = NS(initScanProlog);
82 p->initEnc.scanners[XML_CONTENT_STATE] = NS(initScanContent);
83 p->initEnc.updatePosition = initUpdatePosition;
84 p->encPtr = encPtr;
85 *encPtr = &(p->initEnc);
86 return 1;
87 }
88
89 static const ENCODING *
NS(findEncoding)90 NS(findEncoding)(const ENCODING *enc, const char *ptr, const char *end) {
91 # define ENCODING_MAX 128
92 char buf[ENCODING_MAX];
93 char *p = buf;
94 int i;
95 XmlUtf8Convert(enc, &ptr, end, &p, p + ENCODING_MAX - 1);
96 if (ptr != end)
97 return 0;
98 *p = 0;
99 if (streqci(buf, KW_UTF_16) && enc->minBytesPerChar == 2)
100 return enc;
101 i = getEncodingIndex(buf);
102 if (i == UNKNOWN_ENC)
103 return 0;
104 return NS(encodings)[i];
105 }
106
107 int
NS(XmlParseXmlDecl)108 NS(XmlParseXmlDecl)(int isGeneralTextEntity, const ENCODING *enc,
109 const char *ptr, const char *end, const char **badPtr,
110 const char **versionPtr, const char **versionEndPtr,
111 const char **encodingName, const ENCODING **encoding,
112 int *standalone) {
113 return doParseXmlDecl(NS(findEncoding), isGeneralTextEntity, enc, ptr, end,
114 badPtr, versionPtr, versionEndPtr, encodingName,
115 encoding, standalone);
116 }
117
118 #endif /* XML_TOK_NS_C */
119