/* *  Copyright(C) 2000 EASTCOM-BUPT Inc. * *  Filename            : $RCSfile: tinyxml.h,v $ *  Last Revision       : $Revision: 1.1.1.1 $ *  Last Revision Date  : $Date: 2006/07/17 08:07:18 $ *  Description         : *//*www.sourceforge.net/projects/tinyxmlOriginal code (2.0 and earlier )copyright (c) 2000-2002 Lee Thomason (www.grinninglizard.com)This software is provided 'as-is', without any express or impliedwarranty. In no event will the authors be held liable for anydamages arising from the use of this software.Permission is granted to anyone to use this software for anypurpose, including commercial applications, and to alter it andredistribute it freely, subject to the following restrictions:1. The origin of this software must not be misrepresented; you mustnot claim that you wrote the original software. If you use thissoftware in a product, an acknowledgment in the product documentationwould be appreciated but is not required.2. Altered source versions must be plainly marked as such, andmust not be misrepresented as being the original software.3. This notice may not be removed or altered from any sourcedistribution.*/#ifndef TINYXML_INCLUDED#define TINYXML_INCLUDED#ifdef _MSC_VER//#pragma warning( disable : 4530 )//#pragma warning( disable : 4786 )#endif#include <ctype.h>#include <stdio.h>#include <stdlib.h>#include <string.h>#include <assert.h>//#define TIXML_USE_STL/* redefine assert macro to avoid abnormal exit. by zhoujunfeng */#ifdef assert    #undef assert#endif#define assert(ex) ((ex) ? (void)0 : throw 0)// Help out windows:#if defined( _DEBUG ) && !defined( DEBUG )    #define DEBUG#endif#if defined( DEBUG ) && defined( _MSC_VER )    #include <windows.h>    #define TIXML_LOG OutputDebugString#else    #define TIXML_LOG printf#endif// Uncomment the following definition for Apple's Project Builder // #define TIXML_NEED_STREAM#ifdef TIXML_USE_STL    #include <string>    #ifdef TIXML_NEED_STREAM        #include <istream>        #include <ostream>    #endif    #define TIXML_STRING	std::string    #define TIXML_ISTREAM	std::istream    #define TIXML_OSTREAM	std::ostream#else    #include "tinystr.h"    #define TIXML_STRING	TiXmlString    #define TIXML_OSTREAM	TiXmlOutStream#endifnamespace ebtinyxml{class TiXmlDocument;class TiXmlElement;class TiXmlComment;class TiXmlUnknown;class TiXmlAttribute;class TiXmlText;class TiXmlDeclaration;/** TiXmlBase is a base class for every class in TinyXml.    It does little except to establish that TinyXml classes    can be printed and provide some utility functions.    In XML, the document and elements can contain    other elements and other types of nodes.    @verbatim    A Document can contain:	Element	(container or leaf)                            Comment (leaf)                            Unknown (leaf)                            Declaration( leaf )    An Element can contain:	Element (container or leaf)                            Text	(leaf)                            Attributes (not on tree)                            Comment (leaf)                            Unknown (leaf)    A Decleration contains: Attributes (not on tree)    @endverbatim*/class TiXmlBase {    friend class TiXmlNode;    friend class TiXmlElement;    friend class TiXmlDocument;public:    TiXmlBase() {    }    virtual ~TiXmlBase() {    }    /**	All TinyXml classes can print themselves to a filestream.        This is a formatted print, and will insert tabs and newlines.                (For an unformatted stream, use the << operator.)    */    virtual void Print( FILE* cfile, int depth ) const = 0;    /**	The world does not agree on whether white space should be kept or        not. In order to make everyone happy, these global, static functions        are provided to set whether or not TinyXml will condense all white space        into a single space or not. The default is to condense. Note changing these        values is not thread safe.    */    static void SetCondenseWhiteSpace( bool condense ) {        condenseWhiteSpace = condense;    }    /// Return the current white space setting.    static bool IsWhiteSpaceCondensed() {        return condenseWhiteSpace;    }protected:    // See STL_STRING_BUG    // Utility class to overcome a bug.    class StringToBuffer {    public:        StringToBuffer( const TIXML_STRING& str );        ~StringToBuffer();        char* buffer;    };    static const char*  SkipWhiteSpace( const char* );    inline static bool  IsWhiteSpace( int c ) {        return( isspace( c ) || c == '\n' || c == '\r' );    }    virtual void StreamOut (TIXML_OSTREAM *) const = 0;#ifdef TIXML_USE_STL    static bool StreamWhiteSpace( TIXML_ISTREAM * in, TIXML_STRING * tag );    static bool StreamTo( TIXML_ISTREAM * in, int character, TIXML_STRING * tag );#endif    /*	Reads an XML name into the string provided. Returns        a pointer just past the last character of the name,        or 0 if the function has an error.    */    static const char* ReadName( const char* p, TIXML_STRING* name );    /*	Reads text. Returns a pointer past the given end tag.        Wickedly complex options, but it keeps the (sensitive) code in one place.    */    static const char* ReadText(    const char* in,             // where to start                                    TIXML_STRING* text,         // the string read                                    bool ignoreWhiteSpace,      // whether to keep the white space                                    const char* endTag,         // what ends this text                                    bool ignoreCase );          // whether to ignore case in the end tag    virtual const char* Parse( const char* p ) = 0;    // If an entity has been found, transform it into a character.    static const char* GetEntity( const char* in, char* value );    // Get a character, while interpreting entities.    inline static const char* GetChar( const char* p, char* value ) {        assert( p );        if( *p == '&' ) {            return GetEntity( p, value );        } else {            *value = *p;            return p+1;        }    }    // Puts a string to a stream, expanding entities as it goes.    // Note this should not contian the '<', '>', etc, or they will be transformed into entities!    static void PutString( const TIXML_STRING& str, TIXML_OSTREAM* out );    static void PutString( const TIXML_STRING& str, TIXML_STRING* out );    // Return true if the next characters in the stream are any of the endTag sequences.    bool static StringEqual(    const char* p,                                const char* endTag,                                bool ignoreCase );    enum {        TIXML_NO_ERROR = 0,        TIXML_ERROR,        TIXML_ERROR_OPENING_FILE,        TIXML_ERROR_OUT_OF_MEMORY,        TIXML_ERROR_PARSING_ELEMENT,        TIXML_ERROR_FAILED_TO_READ_ELEMENT_NAME,        TIXML_ERROR_READING_ELEMENT_VALUE,        TIXML_ERROR_READING_ATTRIBUTES,        TIXML_ERROR_PARSING_EMPTY,        TIXML_ERROR_READING_END_TAG,        TIXML_ERROR_PARSING_UNKNOWN,        TIXML_ERROR_PARSING_COMMENT,        TIXML_ERROR_PARSING_DECLARATION,        TIXML_ERROR_DOCUMENT_EMPTY,        TIXML_ERROR_STRING_COUNT    };    static const char* errorString[ TIXML_ERROR_STRING_COUNT ];    /* add errorLine to provide more error information. by zhoujunfeng */    static int errorLine;private:    struct Entity {        const char*     str;        unsigned int    strLength;        char            chr;    };    enum {        NUM_ENTITY = 5,        MAX_ENTITY_LENGTH = 6    };    static Entity entity[ NUM_ENTITY ];    static bool condenseWhiteSpace;};/** The parent class for everything in the Document Object Model.    (Except for attributes, which are contained in elements.)    Nodes have siblings, a parent, and children. A node can be    in a document, or stand on its own. The type of a TiXmlNode    can be queried, and it can be cast to its more defined type.*/class TiXmlNode : public TiXmlBase {    friend class TiXmlDocument;    friend class TiXmlElement;public:#ifdef TIXML_USE_STL	    /** An input stream operator, for every class. Tolerant of newlines and        formatting, but doesn't expect them.    */    friend std::istream& operator >> (std::istream& in, TiXmlNode& base);    /** An output stream operator, for every class. Note that this outputs        without any newlines or formatting, as opposed to Print(), which        includes tabs and new lines.        The operator<< and operator>> are not completely symmetric. Writing        a node to a stream is very well defined. You'll get a nice stream        of output, without any extra whitespace or newlines.                But reading is not as well defined. (As it always is.) If you create        a TiXmlElement (for example) and read that from an input stream,        the text needs to define an element or junk will result. This is        true of all input streams, but it's worth keeping in mind.        A TiXmlDocument will read nodes until it reads a root element.    */      friend std::ostream & operator<< (std::ostream& out, const TiXmlNode& base);#else    // Used internally, not part of the public API.    friend TIXML_OSTREAM& operator<< (TIXML_OSTREAM& out, const TiXmlNode& base);#endif    /** The types of XML nodes supported by TinyXml. (All the            unsupported types are picked up by UNKNOWN.)    */    enum NodeType {        DOCUMENT,        ELEMENT,        COMMENT,        UNKNOWN,        TEXT,        DECLARATION,        TYPECOUNT    };    virtual ~TiXmlNode();    /** The meaning of 'value' changes for the specific type of        TiXmlNode.        @verbatim        Document:	filename of the xml file        Element:	name of the element        Comment:	the comment text        Unknown:	the tag contents        Text:		the text string        @endverbatim        The subclasses will wrap this function.    */    const char * Value () const {        return value.c_str ();    }    /** Changes the value of the node. Defined as:        @verbatim        Document:	filename of the xml file        Element:	name of the element        Comment:	the comment text        Unknown:	the tag contents        Text:		the text string        @endverbatim    */    void SetValue (const char * _value) {        value = _value;    }#ifdef TIXML_USE_STL    /// STL std::string form.    void SetValue( const std::string& value )    {        StringToBuffer buf( value );        SetValue( buf.buffer ? buf.buffer : "" );           }   #endif    /// Delete all the children of this node. Does not affect 'this'.    void Clear();    /// One step up the DOM.    TiXmlNode* Parent() const {        return parent;    }    TiXmlNode* FirstChild() const {        return firstChild;    }      ///< The first child of this node. Will be null if there are no children.    TiXmlNode* FirstChild( const char * value ) const;          ///< The first child of this node with the matching 'value'. Will be null if none found.    TiXmlNode* LastChild() const {        return lastChild;    }       /// The last child of this node. Will be null if there are no children.    TiXmlNode* LastChild( const char * value ) const;           /// The last child of this node matching 'value'. Will be null if there are no children.#ifdef TIXML_USE_STL    TiXmlNode* FirstChild( const std::string& value ) const {        return FirstChild (value.c_str ());    }   ///< STL std::string form.    TiXmlNode* LastChild( const std::string& value ) const {        return LastChild (value.c_str ());