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/** **************************************************************************** * <P> XML.c - implementation file for basic XML parser written in ANSI C++ * for portability. It works by using recursion and a node tree for breaking * down the elements of an XML document. </P> * * @version V2.14 * @author Frank Vanden Berghen * * NOTE: * * If you add "#define STRICT_PARSING", on the first line of this file * the parser will see the following XML-stream: * <a><b>some text</b><b>other text </a> * as an error. Otherwise, this tring will be equivalent to: * <a><b>some text</b><b>other text</b></a> * * NOTE: * * If you add "#define APPROXIMATE_PARSING" on the first line of this file * the parser will see the following XML-stream: * <data name="n1"> * <data name="n2"> * <data name="n3" /> * as equivalent to the following XML-stream: * <data name="n1" /> * <data name="n2" /> * <data name="n3" /> * This can be useful for badly-formed XML-streams but prevent the use * of the following XML-stream (problem is: tags at contiguous levels * have the same names): * <data name="n1"> * <data name="n2"> * <data name="n3" /> * </data> * </data> * * NOTE: * * If you add "#define _XMLPARSER_NO_MESSAGEBOX_" on the first line of this file * the "openFileHelper" function will always display error messages inside the * console instead of inside a message-box-window. Message-box-windows are * available on windows only. * * BSD license: * Copyright (c) 2002, Frank Vanden Berghen * 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 Frank Vanden Berghen 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 REGENTS 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 REGENTS AND 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. * **************************************************************************** */ #ifdef WIN32 //#ifdef _DEBUG //#define _CRTDBG_MAP_ALLOC //#include <crtdbg.h> //#endif #define WIN32_LEAN_AND_MEAN #ifndef _CRT_SECURE_NO_DEPRECATE #define _CRT_SECURE_NO_DEPRECATE #endif #include <Windows.h> // to have IsTextUnicode, MultiByteToWideChar, WideCharToMultiByte to handle unicode files // to have "MessageBoxA" to display error messages for openFilHelper #endif #include <memory.h> #include <assert.h> #include <stdio.h> #include <string.h> #include <stdlib.h> #include "xmlParser.h" inline int mmin( const int t1, const int t2 ) { return t1 < t2 ? t1 : t2; } // You can modify the initialization of the variable "XMLClearTags" below // to change the clearTags that are currently recognized by the library. ALLXMLClearTag XMLClearTags[] = { { _T("<![CDATA["),9, _T("]]>") }, { _T("<PRE>") ,5, _T("</PRE>") }, { _T("<Script>") ,8, _T("</Script>")}, { _T("<!--") ,4, _T("-->") }, { _T("<!DOCTYPE"),9, _T(">") }, { NULL ,0, NULL } }; // You can modify the initialization of the variable "XMLEntities" below // to change the character entities that are currently recognized by the library. // Additionally, the syntaxes "&#xA0;" and "&#160;" are recognized. typedef struct { XMLCSTR s; int l; XMLCHAR c;} XMLCharacterEntity; static XMLCharacterEntity XMLEntities[] = { { _T("&amp;" ), 5, _T('&' )}, { _T("&lt;" ), 4, _T('<' )}, { _T("&gt;" ), 4, _T('>' )}, { _T("&quot;"), 6, _T('\"')}, { _T("&apos;"), 6, _T('\'')}, { NULL , 0, '\0' } }; // When rendering the XMLNode to a string (using the "createXMLString" function), // you can ask for a beautiful formatting. This formatting is using the // following indentation character: #define INDENTCHAR _T('\t') // The following function parses the XML errors into a user friendly string. // You can edit this to change the output language of the library to something else. XMLCSTR XMLNode::getError(XMLError xerror) { switch (xerror) { case eXMLErrorNone: return _T("No error"); case eXMLErrorMissingEndTag: return _T("Warning: Unmatched end tag"); case eXMLErrorEmpty: return _T("Error: No XML data"); case eXMLErrorFirstNotStartTag: return _T("Error: First token not start tag"); case eXMLErrorMissingTagName: return _T("Error: Missing start tag name"); case eXMLErrorMissingEndTagName: return _T("Error: Missing end tag name"); case eXMLErrorNoMatchingQuote: return _T("Error: Unmatched quote"); case eXMLErrorUnmatchedEndTag: return _T("Error: Unmatched end tag"); case eXMLErrorUnmatchedEndClearTag: return _T("Error: Unmatched clear tag end"); case eXMLErrorUnexpectedToken: return _T("Error: Unexpected token found"); case eXMLErrorInvalidTag: return _T("Error: Invalid tag found"); case eXMLErrorNoElements: return _T("Error: No elements found"); case eXMLErrorFileNotFound: return _T("Error: File not found"); case eXMLErrorFirstTagNotFound: return _T("Error: First Tag not found"); case eXMLErrorUnknownEscapeSequence: return _T("Error: Unknown character entity"); case eXMLErrorCharConversionError: return _T("Error: unable to convert between UNICODE and MultiByte chars"); case eXMLErrorCannotOpenWriteFile: return _T("Error: unable to open file for writing"); case eXMLErrorCannotWriteFile: return _T("Error: cannot write into file"); case eXMLErrorBase64DataSizeIsNotMultipleOf4: return _T("Warning: Base64-string length is not a multiple of 4"); case eXMLErrorBase64DecodeTruncatedData: return _T("Warning: Base64-string is truncated"); case eXMLErrorBase64DecodeIllegalCharacter: return _T("Error: Base64-string contains an illegal character"); case eXMLErrorBase64DecodeBufferTooSmall: return _T("Error: Base64 decode output buffer is too small"); }; return _T("Unknown"); } #ifndef _XMLUNICODE // If "strictUTF8Parsing=0" then we assume that all characters have the same length of 1 byte. // If "strictUTF8Parsing=1" then the characters have different lengths (from 1 byte to 4 bytes). // This table is used as lookup-table to know the length of a character (in byte) based on the // content of the first byte of the character. // (note: if you modify this, you must always have XML_utf8ByteTable[0]=0 ). static const char XML_utf8ByteTable[256] = { // 0 1 2 3 4 5 6 7 8 9 a b c d e f 0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,// 0x00 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,// 0x10 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,// 0x20 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,// 0x30 1,1,1,1,1,