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 * 36 NS(XmlGetUtf8InternalEncoding)(void) 37 { 38 return &ns(internal_utf8_encoding).enc; 39 } 40 41 const ENCODING * 42 NS(XmlGetUtf16InternalEncoding)(void) 43 { 44 #if BYTEORDER == 1234 45 return &ns(internal_little2_encoding).enc; 46 #elif BYTEORDER == 4321 47 return &ns(internal_big2_encoding).enc; 48 #else 49 const short n = 1; 50 return (*(const char *)&n 51 ? &ns(internal_little2_encoding).enc 52 : &ns(internal_big2_encoding).enc); 53 #endif 54 } 55 56 static const ENCODING * const NS(encodings)[] = { 57 &ns(latin1_encoding).enc, 58 &ns(ascii_encoding).enc, 59 &ns(utf8_encoding).enc, 60 &ns(big2_encoding).enc, 61 &ns(big2_encoding).enc, 62 &ns(little2_encoding).enc, 63 &ns(utf8_encoding).enc /* NO_ENC */ 64 }; 65 66 static int PTRCALL 67 NS(initScanProlog)(const ENCODING *enc, const char *ptr, const char *end, 68 const char **nextTokPtr) 69 { 70 return initScan(NS(encodings), (const INIT_ENCODING *)enc, 71 XML_PROLOG_STATE, ptr, end, nextTokPtr); 72 } 73 74 static int PTRCALL 75 NS(initScanContent)(const ENCODING *enc, const char *ptr, const char *end, 76 const char **nextTokPtr) 77 { 78 return initScan(NS(encodings), (const INIT_ENCODING *)enc, 79 XML_CONTENT_STATE, ptr, end, nextTokPtr); 80 } 81 82 int 83 NS(XmlInitEncoding)(INIT_ENCODING *p, const ENCODING **encPtr, 84 const char *name) 85 { 86 int i = getEncodingIndex(name); 87 if (i == UNKNOWN_ENC) 88 return 0; 89 SET_INIT_ENC_INDEX(p, i); 90 p->initEnc.scanners[XML_PROLOG_STATE] = NS(initScanProlog); 91 p->initEnc.scanners[XML_CONTENT_STATE] = NS(initScanContent); 92 p->initEnc.updatePosition = initUpdatePosition; 93 p->encPtr = encPtr; 94 *encPtr = &(p->initEnc); 95 return 1; 96 } 97 98 static const ENCODING * 99 NS(findEncoding)(const ENCODING *enc, const char *ptr, const char *end) 100 { 101 #define ENCODING_MAX 128 102 char buf[ENCODING_MAX]; 103 char *p = buf; 104 int i; 105 XmlUtf8Convert(enc, &ptr, end, &p, p + ENCODING_MAX - 1); 106 if (ptr != end) 107 return 0; 108 *p = 0; 109 if (streqci(buf, KW_UTF_16) && enc->minBytesPerChar == 2) 110 return enc; 111 i = getEncodingIndex(buf); 112 if (i == UNKNOWN_ENC) 113 return 0; 114 return NS(encodings)[i]; 115 } 116 117 int 118 NS(XmlParseXmlDecl)(int isGeneralTextEntity, 119 const ENCODING *enc, 120 const char *ptr, 121 const char *end, 122 const char **badPtr, 123 const char **versionPtr, 124 const char **versionEndPtr, 125 const char **encodingName, 126 const ENCODING **encoding, 127 int *standalone) 128 { 129 return doParseXmlDecl(NS(findEncoding), 130 isGeneralTextEntity, 131 enc, 132 ptr, 133 end, 134 badPtr, 135 versionPtr, 136 versionEndPtr, 137 encodingName, 138 encoding, 139 standalone); 140 } 141 142 #endif /* XML_TOK_NS_C */ 143