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 return &ns(internal_utf8_encoding).enc; 38 } 39 40 const ENCODING * 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 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 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 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 * 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 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