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 Clark Cooper <coopercc@users.sourceforge.net>
11 Copyright (c) 2002 Greg Stein <gstein@users.sourceforge.net>
12 Copyright (c) 2002 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
13 Copyright (c) 2002-2006 Karl Waclawek <karl@waclawek.net>
14 Copyright (c) 2017-2021 Sebastian Pipping <sebastian@pipping.org>
15 Licensed under the MIT license:
16
17 Permission is hereby granted, free of charge, to any person obtaining
18 a copy of this software and associated documentation files (the
19 "Software"), to deal in the Software without restriction, including
20 without limitation the rights to use, copy, modify, merge, publish,
21 distribute, sublicense, and/or sell copies of the Software, and to permit
22 persons to whom the Software is furnished to do so, subject to the
23 following conditions:
24
25 The above copyright notice and this permission notice shall be included
26 in all copies or substantial portions of the Software.
27
28 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
29 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
30 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
31 NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
32 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
33 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
34 USE OR OTHER DEALINGS IN THE SOFTWARE.
35 */
36
37 #include "../../lv_conf_internal.h"
38 #if LV_USE_XML
39
40 #ifdef XML_TOK_NS_C
41
42 const ENCODING *
NS(XmlGetUtf8InternalEncoding)43 NS(XmlGetUtf8InternalEncoding)(void) {
44 return &ns(internal_utf8_encoding).enc;
45 }
46
47 const ENCODING *
NS(XmlGetUtf16InternalEncoding)48 NS(XmlGetUtf16InternalEncoding)(void) {
49 # if BYTEORDER == 1234
50 return &ns(internal_little2_encoding).enc;
51 # elif BYTEORDER == 4321
52 return &ns(internal_big2_encoding).enc;
53 # else
54 const short n = 1;
55 return (*(const char *)&n ? &ns(internal_little2_encoding).enc
56 : &ns(internal_big2_encoding).enc);
57 # endif
58 }
59
60 static const ENCODING *const NS(encodings)[] = {
61 &ns(latin1_encoding).enc, &ns(ascii_encoding).enc,
62 &ns(utf8_encoding).enc, &ns(big2_encoding).enc,
63 &ns(big2_encoding).enc, &ns(little2_encoding).enc,
64 &ns(utf8_encoding).enc /* NO_ENC */
65 };
66
67 static int PTRCALL
NS(initScanProlog)68 NS(initScanProlog)(const ENCODING *enc, const char *ptr, const char *end,
69 const char **nextTokPtr) {
70 return initScan(NS(encodings), (const INIT_ENCODING *)enc, XML_PROLOG_STATE,
71 ptr, end, nextTokPtr);
72 }
73
74 static int PTRCALL
NS(initScanContent)75 NS(initScanContent)(const ENCODING *enc, const char *ptr, const char *end,
76 const char **nextTokPtr) {
77 return initScan(NS(encodings), (const INIT_ENCODING *)enc, XML_CONTENT_STATE,
78 ptr, end, nextTokPtr);
79 }
80
81 int
NS(XmlInitEncoding)82 NS(XmlInitEncoding)(INIT_ENCODING *p, const ENCODING **encPtr,
83 const char *name) {
84 int i = getEncodingIndex(name);
85 if (i == UNKNOWN_ENC)
86 return 0;
87 SET_INIT_ENC_INDEX(p, i);
88 p->initEnc.scanners[XML_PROLOG_STATE] = NS(initScanProlog);
89 p->initEnc.scanners[XML_CONTENT_STATE] = NS(initScanContent);
90 p->initEnc.updatePosition = initUpdatePosition;
91 p->encPtr = encPtr;
92 *encPtr = &(p->initEnc);
93 return 1;
94 }
95
96 static const ENCODING *
NS(findEncoding)97 NS(findEncoding)(const ENCODING *enc, const char *ptr, const char *end) {
98 # define ENCODING_MAX 128
99 char buf[ENCODING_MAX] = "";
100 char *p = buf;
101 int i;
102 XmlUtf8Convert(enc, &ptr, end, &p, p + ENCODING_MAX - 1);
103 if (ptr != end)
104 return 0;
105 *p = 0;
106 if (streqci(buf, KW_UTF_16) && enc->minBytesPerChar == 2)
107 return enc;
108 i = getEncodingIndex(buf);
109 if (i == UNKNOWN_ENC)
110 return 0;
111 return NS(encodings)[i];
112 }
113
114 int
NS(XmlParseXmlDecl)115 NS(XmlParseXmlDecl)(int isGeneralTextEntity, const ENCODING *enc,
116 const char *ptr, const char *end, const char **badPtr,
117 const char **versionPtr, const char **versionEndPtr,
118 const char **encodingName, const ENCODING **encoding,
119 int *standalone) {
120 return doParseXmlDecl(NS(findEncoding), isGeneralTextEntity, enc, ptr, end,
121 badPtr, versionPtr, versionEndPtr, encodingName,
122 encoding, standalone);
123 }
124
125 #endif /* XML_TOK_NS_C */
126
127 #endif /* LV_USE_XML */
128
129
