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+/*
+www.sourceforge.net/projects/tinyxml
+Original code by Lee Thomason (www.grinninglizard.com)
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any
+damages arising from the use of this software.
+
+Permission is granted to anyone to use this software for any
+purpose, including commercial applications, and to alter it and
+redistribute it freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must
+not claim that you wrote the original software. If you use this
+software in a product, an acknowledgment in the product documentation
+would be appreciated but is not required.
+
+2. Altered source versions must be plainly marked as such, and
+must not be misrepresented as being the original software.
+
+3. This notice may not be removed or altered from any source
+distribution.
+*/
+
+
+#ifndef TINYXML_INCLUDED
+#define TINYXML_INCLUDED
+
+#ifdef _MSC_VER
+#pragma warning( push )
+#pragma warning( disable : 4530 )
+#pragma warning( disable : 4786 )
+#endif
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+// Help out windows:
+#if defined( _DEBUG ) && !defined( DEBUG )
+#define DEBUG
+#endif
+
+#ifdef TIXML_USE_STL
+ #include <string>
+ #include <iostream>
+ #include <sstream>
+ #define TIXML_STRING std::string
+#else
+ #include "tinystr.h"
+ #define TIXML_STRING TiXmlString
+#endif
+
+// Deprecated library function hell. Compilers want to use the
+// new safe versions. This probably doesn't fully address the problem,
+// but it gets closer. There are too many compilers for me to fully
+// test. If you get compilation troubles, undefine TIXML_SAFE
+#define TIXML_SAFE
+
+#ifdef TIXML_SAFE
+ #if defined(_MSC_VER) && (_MSC_VER >= 1400 )
+ // Microsoft visual studio, version 2005 and higher.
+ #define TIXML_SNPRINTF _snprintf_s
+ #define TIXML_SSCANF sscanf_s
+ #elif defined(_MSC_VER) && (_MSC_VER >= 1200 )
+ // Microsoft visual studio, version 6 and higher.
+ //#pragma message( "Using _sn* functions." )
+ #define TIXML_SNPRINTF _snprintf
+ #define TIXML_SSCANF sscanf
+ #elif defined(__GNUC__) && (__GNUC__ >= 3 )
+ // GCC version 3 and higher.s
+ //#warning( "Using sn* functions." )
+ #define TIXML_SNPRINTF snprintf
+ #define TIXML_SSCANF sscanf
+ #else
+ #define TIXML_SNPRINTF snprintf
+ #define TIXML_SSCANF sscanf
+ #endif
+#endif
+
+class TiXmlDocument;
+class TiXmlElement;
+class TiXmlComment;
+class TiXmlUnknown;
+class TiXmlAttribute;
+class TiXmlText;
+class TiXmlDeclaration;
+class TiXmlParsingData;
+
+const int TIXML_MAJOR_VERSION = 2;
+const int TIXML_MINOR_VERSION = 6;
+const int TIXML_PATCH_VERSION = 2;
+
+/* Internal structure for tracking location of items
+ in the XML file.
+*/
+struct TiXmlCursor
+{
+ TiXmlCursor() { Clear(); }
+ void Clear() { row = col = -1; }
+
+ int row; // 0 based.
+ int col; // 0 based.
+};
+
+
+/**
+ Implements the interface to the "Visitor pattern" (see the Accept() method.)
+ If you call the Accept() method, it requires being passed a TiXmlVisitor
+ class to handle callbacks. For nodes that contain other nodes (Document, Element)
+ you will get called with a VisitEnter/VisitExit pair. Nodes that are always leaves
+ are simply called with Visit().
+
+ If you return 'true' from a Visit method, recursive parsing will continue. If you return
+ false, <b>no children of this node or its sibilings</b> will be Visited.
+
+ All flavors of Visit methods have a default implementation that returns 'true' (continue
+ visiting). You need to only override methods that are interesting to you.
+
+ Generally Accept() is called on the TiXmlDocument, although all nodes suppert Visiting.
+
+ You should never change the document from a callback.
+
+ @sa TiXmlNode::Accept()
+*/
+class TiXmlVisitor
+{
+public:
+ virtual ~TiXmlVisitor() {}
+
+ /// Visit a document.
+ virtual bool VisitEnter( const TiXmlDocument& /*doc*/ ) { return true; }
+ /// Visit a document.
+ virtual bool VisitExit( const TiXmlDocument& /*doc*/ ) { return true; }
+
+ /// Visit an element.
+ virtual bool VisitEnter( const TiXmlElement& /*element*/, const TiXmlAttribute* /*firstAttribute*/ ) { return true; }
+ /// Visit an element.
+ virtual bool VisitExit( const TiXmlElement& /*element*/ ) { return true; }
+
+ /// Visit a declaration
+ virtual bool Visit( const TiXmlDeclaration& /*declaration*/ ) { return true; }
+ /// Visit a text node
+ virtual bool Visit( const TiXmlText& /*text*/ ) { return true; }
+ /// Visit a comment node
+ virtual bool Visit( const TiXmlComment& /*comment*/ ) { return true; }
+ /// Visit an unknown node
+ virtual bool Visit( const TiXmlUnknown& /*unknown*/ ) { return true; }
+};
+
+// Only used by Attribute::Query functions
+enum
+{
+ TIXML_SUCCESS,
+ TIXML_NO_ATTRIBUTE,
+ TIXML_WRONG_TYPE
+};
+
+
+// Used by the parsing routines.
+enum TiXmlEncoding
+{
+ TIXML_ENCODING_UNKNOWN,
+ TIXML_ENCODING_UTF8,
+ TIXML_ENCODING_LEGACY
+};
+
+const TiXmlEncoding TIXML_DEFAULT_ENCODING = TIXML_ENCODING_UNKNOWN;
+
+/** 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() : userData(0) {}
+ virtual ~TiXmlBase() {}
+
+ /** All TinyXml classes can print themselves to a filestream
+ or the string class (TiXmlString in non-STL mode, std::string
+ in STL mode.) Either or both cfile and str can be null.
+
+ 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 this
+ value is not thread safe.
+ */
+ static void SetCondenseWhiteSpace( bool condense ) { condenseWhiteSpace = condense; }
+
+ /// Return the current white space setting.
+ static bool IsWhiteSpaceCondensed() { return condenseWhiteSpace; }
+
+ /** Return the position, in the original source file, of this node or attribute.
+ The row and column are 1-based. (That is the first row and first column is
+ 1,1). If the returns values are 0 or less, then the parser does not have
+ a row and column value.
+
+ Generally, the row and column value will be set when the TiXmlDocument::Load(),
+ TiXmlDocument::LoadFile(), or any TiXmlNode::Parse() is called. It will NOT be set
+ when the DOM was created from operator>>.
+
+ The values reflect the initial load. Once the DOM is modified programmatically
+ (by adding or changing nodes and attributes) the new values will NOT update to
+ reflect changes in the document.
+
+ There is a minor performance cost to computing the row and column. Computation
+ can be disabled if TiXmlDocument::SetTabSize() is called with 0 as the value.
+
+ @sa TiXmlDocument::SetTabSize()
+ */
+ int Row() const { return location.row + 1; }
+ int Column() const { return location.col + 1; } ///< See Row()
+
+ void SetUserData( void* user ) { userData = user; } ///< Set a pointer to arbitrary user data.
+ void* GetUserData() { return userData; } ///< Get a pointer to arbitrary user data.
+ const void* GetUserData() const { return userData; } ///< Get a pointer to arbitrary user data.
+
+ // Table that returs, for a given lead byte, the total number of bytes
+ // in the UTF-8 sequence.
+ static const int utf8ByteTable[256];
+
+ virtual const char* Parse( const char* p,
+ TiXmlParsingData* data,
+ TiXmlEncoding encoding /*= TIXML_ENCODING_UNKNOWN */ ) = 0;
+
+ /** Expands entities in a string. Note this should not contian the tag's '<', '>', etc,
+ or they will be transformed into entities!
+ */
+ static void EncodeString( const TIXML_STRING& str, TIXML_STRING* out );
+
+ enum
+ {
+ TIXML_NO_ERROR = 0,
+ TIXML_ERROR,
+ TIXML_ERROR_OPENING_FILE,
+ 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_EMBEDDED_NULL,
+ TIXML_ERROR_PARSING_CDATA,
+ TIXML_ERROR_DOCUMENT_TOP_ONLY,
+
+ TIXML_ERROR_STRING_COUNT
+ };
+
+protected:
+
+ static const char* SkipWhiteSpace( const char*, TiXmlEncoding encoding );
+
+ inline static bool IsWhiteSpace( char c )
+ {
+ return ( isspace( (unsigned char) c ) || c == '\n' || c == '\r' );
+ }
+ inline static bool IsWhiteSpace( int c )
+ {
+ if ( c < 256 )
+ return IsWhiteSpace( (char) c );
+ return false; // Again, only truly correct for English/Latin...but usually works.
+ }
+
+ #ifdef TIXML_USE_STL
+ static bool StreamWhiteSpace( std::istream * in, TIXML_STRING * tag );
+ static bool StreamTo( std::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, TiXmlEncoding encoding );
+
+ /* 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
+ TiXmlEncoding encoding ); // the current encoding
+
+ // If an entity has been found, transform it into a character.
+ static const char* GetEntity( const char* in, char* value, int* length, TiXmlEncoding encoding );
+
+ // Get a character, while interpreting entities.
+ // The length can be from 0 to 4 bytes.
+ inline static const char* GetChar( const char* p, char* _value, int* length, TiXmlEncoding encoding )
+ {
+ assert( p );
+ if ( encoding == TIXML_ENCODING_UTF8 )
+ {
+ *length = utf8ByteTable[ *((const unsigned char*)p) ];
+ assert( *length >= 0 && *length < 5 );
+ }
+ else
+ {
+ *length = 1;
+ }
+
+ if ( *length == 1 )
+ {
+ if ( *p == '&' )
+ return GetEntity( p, _value, length, encoding );
+ *_value = *p;
+ return p+1;
+ }
+ else if ( *length )
+ {
+ //strncpy( _value, p, *length ); // lots of compilers don't like this function (unsafe),
+ // and the null terminator isn't needed
+ for( int i=0; p[i] && i<*length; ++i ) {
+ _value[i] = p[i];
+ }
+ return p + (*length);
+ }
+ else
+ {
+ // Not valid text.
+ return 0;
+ }
+ }
+
+ // Return true if the next characters in the stream are any of the endTag sequences.
+ // Ignore case only works for english, and should only be relied on when comparing
+ // to English words: StringEqual( p, "version", true ) is fine.
+ static bool StringEqual( const char* p,
+ const char* endTag,
+ bool ignoreCase,
+ TiXmlEncoding encoding );
+
+ static const char* errorString[ TIXML_ERROR_STRING_COUNT ];
+
+ TiXmlCursor location;
+
+ /// Field containing a generic user pointer
+ void* userData;
+
+ // None of these methods are reliable for any language except English.
+ // Good for approximation, not great for accuracy.
+ static int IsAlpha( unsigned char anyByte, TiXmlEncoding encoding );
+ static int IsAlphaNum( unsigned char anyByte, TiXmlEncoding encoding );
+ inline static int ToLower( int v, TiXmlEncoding encoding )
+ {
+ if ( encoding == TIXML_ENCODING_UTF8 )
+ {
+ if ( v < 128 ) return tolower( v );
+ return v;
+ }
+ else
+ {
+ return tolower( v );
+ }
+ }
+ static void ConvertUTF32ToUTF8( unsigned long input, char* output, int* length );
+
+private:
+ TiXmlBase( const TiXmlBase& ); // not implemented.
+ void operator=( const TiXmlBase& base ); // not allowed.
+
+ 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).
+ 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, and
+ all the children of that root element.
+ */
+ friend std::ostream& operator<< (std::ostream& out, const TiXmlNode& base);
+
+ /// Appends the XML node or attribute to a std::string.
+ friend std::string& operator<< (std::string& out, const TiXmlNode& base );
+
+ #endif
+
+ /** The types of XML nodes supported by TinyXml. (All the
+ unsupported types are picked up by UNKNOWN.)
+ */
+ enum NodeType
+ {
+ TINYXML_DOCUMENT,
+ TINYXML_ELEMENT,
+ TINYXML_COMMENT,
+ TINYXML_UNKNOWN,
+ TINYXML_TEXT,
+ TINYXML_DECLARATION,
+ TINYXML_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 (); }
+
+ #ifdef TIXML_USE_STL
+ /** Return Value() as a std::string. If you only use STL,
+ this is more efficient than calling Value().
+ Only available in STL mode.
+ */
+ const std::string& ValueStr() const { return value; }
+ #endif
+
+ const TIXML_STRING& ValueTStr() const { return value; }
+
+ /** 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 ) { value = _value; }
+ #endif
+
+ /// Delete all the children of this node. Does not affect 'this'.
+ void Clear();
+
+ /// One step up the DOM.
+ TiXmlNode* Parent() { return parent; }
+ const TiXmlNode* Parent() const { return parent; }
+
+ const TiXmlNode* FirstChild() const { return firstChild; } ///< The first child of this node. Will be null if there are no children.
+ TiXmlNode* FirstChild() { return firstChild; }
+ const TiXmlNode* FirstChild( const char * value ) const; ///< The first child of this node with the matching 'value'. Will be null if none found.
+ /// The first child of this node with the matching 'value'. Will be null if none found.
+ TiXmlNode* FirstChild( const char * _value ) {
+ // Call through to the const version - safe since nothing is changed. Exiting syntax: cast this to a const (always safe)
+ // call the method, cast the return back to non-const.
+ return const_cast< TiXmlNode* > ((const_cast< const TiXmlNode* >(this))->FirstChild( _value ));
+ }
+ const TiXmlNode* LastChild() const { return lastChild; } /// The last child of this node. Will be null if there are no children.
+ TiXmlNode* LastChild() { return lastChild; }
+
+ const TiXmlNode* LastChild( const char * value ) const; /// The last child of this node matching 'value'. Will be null if there are no children.
+ TiXmlNode* LastChild( const char * _value ) {
+ return const_cast< TiXmlNode* > ((const_cast< const TiXmlNode* >(this))->LastChild( _value ));
+ }
+
+ #ifdef TIXML_USE_STL
+ const TiXmlNode* FirstChild( const std::string& _value ) const { return FirstChild (_value.c_str ()); } ///< STL std::string form.
+ TiXmlNode* FirstChild( const std::string& _value ) { return FirstChild (_value.c_str ()); } ///< STL std::string form.
+ const TiXmlNode* LastChild( const std::string& _value ) const { return LastChild (_value.c_str ()); } ///< STL std::string form.
+ TiXmlNode* LastChild( const std::string& _value ) { return LastChild (_value.c_str ()); } ///< STL std::string form.
+ #endif
+
+ /** An alternate way to walk the children of a node.
+ One way to iterate over nodes is:
+ @verbatim
+ for( child = parent->FirstChild(); child; child = child->NextSibling() )
+ @endverbatim
+
+ IterateChildren does the same thing with the syntax:
+ @verbatim
+ child = 0;
+ while( child = parent->IterateChildren( child ) )
+ @endverbatim
+
+ IterateChildren takes the previous child as input and finds
+ the next one. If the previous child is null, it returns the
+ first. IterateChildren will return null when done.
+ */
+ const TiXmlNode* IterateChildren( const TiXmlNode* previous ) const;
+ TiXmlNode* IterateChildren( const TiXmlNode* previous ) {
+ return const_cast< TiXmlNode* >( (const_cast< const TiXmlNode* >(this))->IterateChildren( previous ) );
+ }
+
+ /// This flavor of IterateChildren searches for children with a particular 'value'
+ const TiXmlNode* IterateChildren( const char * value, const TiXmlNode* previous ) const;
+ TiXmlNode* IterateChildren( const char * _value, const TiXmlNode* previous ) {
+ return const_cast< TiXmlNode* >( (const_cast< const TiXmlNode* >(this))->IterateChildren( _value, previous ) );
+ }
+
+ #ifdef TIXML_USE_STL
+ const TiXmlNode* IterateChildren( const std::string& _value, const TiXmlNode* previous ) const { return IterateChildren (_value.c_str (), previous); } ///< STL std::string form.
+ TiXmlNode* IterateChildren( const std::string& _value, const TiXmlNode* previous ) { return IterateChildren (_value.c_str (), previous); } ///< STL std::string form.
+ #endif
+
+ /** Add a new node related to this. Adds a child past the LastChild.
+ Returns a pointer to the new object or NULL if an error occured.
+ */
+ TiXmlNode* InsertEndChild( const TiXmlNode& addThis );
+
+
+ /** Add a new node related to this. Adds a child past the LastChild.
+
+ NOTE: the node to be added is passed by pointer, and will be
+ henceforth owned (and deleted) by tinyXml. This method is efficient
+ and avoids an extra copy, but should be used with care as it
+ uses a different memory model than the other insert functions.
+
+ @sa InsertEndChild
+ */
+ TiXmlNode* LinkEndChild( TiXmlNode* addThis );
+
+ /** Add a new node related to this. Adds a child before the specified child.
+ Returns a pointer to the new object or NULL if an error occured.
+ */
+ TiXmlNode* InsertBeforeChild( TiXmlNode* beforeThis, const TiXmlNode& addThis );
+
+ /** Add a new node related to this. Adds a child after the specified child.
+ Returns a pointer to the new object or NULL if an error occured.
+ */
+ TiXmlNode* InsertAfterChild( TiXmlNode* afterThis, const TiXmlNode& addThis );
+
+ /** Replace a child of this node.
+ Returns a pointer to the new object or NULL if an error occured.
+ */
+ TiXmlNode* ReplaceChild( TiXmlNode* replaceThis, const TiXmlNode& withThis );
+
+ /// Delete a child of this node.
+ bool RemoveChild( TiXmlNode* removeThis );
+
+ /// Navigate to a sibling node.
+ const TiXmlNode* PreviousSibling() const { return prev; }
+ TiXmlNode* PreviousSibling() { return prev; }
+
+ /// Navigate to a sibling node.
+ const TiXmlNode* PreviousSibling( const char * ) const;
+ TiXmlNode* PreviousSibling( const char *_prev ) {
+ return const_cast< TiXmlNode* >( (const_cast< const TiXmlNode* >(this))->PreviousSibling( _prev ) );
+ }
+
+ #ifdef TIXML_USE_STL
+ const TiXmlNode* PreviousSibling( const std::string& _value ) const { return PreviousSibling (_value.c_str ()); } ///< STL std::string form.
+ TiXmlNode* PreviousSibling( const std::string& _value ) { return PreviousSibling (_value.c_str ()); } ///< STL std::string form.
+ const TiXmlNode* NextSibling( const std::string& _value) const { return NextSibling (_value.c_str ()); } ///< STL std::string form.
+ TiXmlNode* NextSibling( const std::string& _value) { return NextSibling (_value.c_str ()); } ///< STL std::string form.
+ #endif
+
+ /// Navigate to a sibling node.
+ const TiXmlNode* NextSibling() const { return next; }
+ TiXmlNode* NextSibling() { return next; }
+
+ /// Navigate to a sibling node with the given 'value'.
+ const TiXmlNode* NextSibling( const char * ) const;
+ TiXmlNode* NextSibling( const char* _next ) {
+ return const_cast< TiXmlNode* >( (const_cast< const TiXmlNode* >(this))->NextSibling( _next ) );
+ }
+
+ /** Convenience function to get through elements.
+ Calls NextSibling and ToElement. Will skip all non-Element
+ nodes. Returns 0 if there is not another element.
+ */
+ const TiXmlElement* NextSiblingElement() const;
+ TiXmlElement* NextSiblingElement() {
+ return const_cast< TiXmlElement* >( (const_cast< const TiXmlNode* >(this))->NextSiblingElement() );
+ }
+
+ /** Convenience function to get through elements.
+ Calls NextSibling and ToElement. Will skip all non-Element
+ nodes. Returns 0 if there is not another element.
+ */
+ const TiXmlElement* NextSiblingElement( const char * ) const;
+ TiXmlElement* NextSiblingElement( const char *_next ) {
+ return const_cast< TiXmlElement* >( (const_cast< const TiXmlNode* >(this))->NextSiblingElement( _next ) );
+ }
+
+ #ifdef TIXML_USE_STL
+ const TiXmlElement* NextSiblingElement( const std::string& _value) const { return NextSiblingElement (_value.c_str ()); } ///< STL std::string form.
+ TiXmlElement* NextSiblingElement( const std::string& _value) { return NextSiblingElement (_value.c_str ()); } ///< STL std::string form.
+ #endif
+
+ /// Convenience function to get through elements.
+ const TiXmlElement* FirstChildElement() const;
+ TiXmlElement* FirstChildElement() {
+ return const_cast< TiXmlElement* >( (const_cast< const TiXmlNode* >(this))->FirstChildElement() );
+ }
+
+ /// Convenience function to get through elements.
+ const TiXmlElement* FirstChildElement( const char * _value ) const;
+ TiXmlElement* FirstChildElement( const char * _value ) {
+ return const_cast< TiXmlElement* >( (const_cast< const TiXmlNode* >(this))->FirstChildElement( _value ) );
+ }
+
+ #ifdef TIXML_USE_STL
+ const TiXmlElement* FirstChildElement( const std::string& _value ) const { return FirstChildElement (_value.c_str ()); } ///< STL std::string form.
+ TiXmlElement* FirstChildElement( const std::string& _value ) { return FirstChildElement (_value.c_str ()); } ///< STL std::string form.
+ #endif
+
+ /** Query the type (as an enumerated value, above) of this node.
+ The possible types are: TINYXML_DOCUMENT, TINYXML_ELEMENT, TINYXML_COMMENT,
+ TINYXML_UNKNOWN, TINYXML_TEXT, and TINYXML_DECLARATION.
+ */
+ int Type() const { return type; }
+
+ /** Return a pointer to the Document this node lives in.
+ Returns null if not in a document.
+ */
+ const TiXmlDocument* GetDocument() const;
+ TiXmlDocument* GetDocument() {
+ return const_cast< TiXmlDocument* >( (const_cast< const TiXmlNode* >(this))->GetDocument() );
+ }
+
+ /// Returns true if this node has no children.
+ bool NoChildren() const { return !firstChild; }
+
+ virtual const TiXmlDocument* ToDocument() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+ virtual const TiXmlElement* ToElement() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+ virtual const TiXmlComment* ToComment() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+ virtual const TiXmlUnknown* ToUnknown() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+ virtual const TiXmlText* ToText() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+ virtual const TiXmlDeclaration* ToDeclaration() const { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+
+ virtual TiXmlDocument* ToDocument() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+ virtual TiXmlElement* ToElement() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+ virtual TiXmlComment* ToComment() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+ virtual TiXmlUnknown* ToUnknown() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+ virtual TiXmlText* ToText() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+ virtual TiXmlDeclaration* ToDeclaration() { return 0; } ///< Cast to a more defined type. Will return null if not of the requested type.
+
+ /** Create an exact duplicate of this node and return it. The memory must be deleted
+ by the caller.
+ */
+ virtual TiXmlNode* Clone() const = 0;
+
+ /** Accept a hierchical visit the nodes in the TinyXML DOM. Every node in the
+ XML tree will be conditionally visited and the host will be called back
+ via the TiXmlVisitor interface.
+
+ This is essentially a SAX interface for TinyXML. (Note however it doesn't re-parse
+ the XML for the callbacks, so the performance of TinyXML is unchanged by using this
+ interface versus any other.)
+
+ The interface has been based on ideas from:
+
+ - http://www.saxproject.org/
+ - http://c2.com/cgi/wiki?HierarchicalVisitorPattern
+
+ Which are both good references for "visiting".
+
+ An example of using Accept():
+ @verbatim
+ TiXmlPrinter printer;
+ tinyxmlDoc.Accept( &printer );
+ const char* xmlcstr = printer.CStr();
+ @endverbatim
+ */
+ virtual bool Accept( TiXmlVisitor* visitor ) const = 0;
+
+protected:
+ TiXmlNode( NodeType _type );
+
+ // Copy to the allocated object. Shared functionality between Clone, Copy constructor,
+ // and the assignment operator.
+ void CopyTo( TiXmlNode* target ) const;
+
+ #ifdef TIXML_USE_STL
+ // The real work of the input operator.
+ virtual void StreamIn( std::istream* in, TIXML_STRING* tag ) = 0;
+ #endif
+
+ // Figure out what is at *p, and parse it. Returns null if it is not an xml node.
+ TiXmlNode* Identify( const char* start, TiXmlEncoding encoding );
+
+ TiXmlNode* parent;
+ NodeType type;
+
+ TiXmlNode* firstChild;
+ TiXmlNode* lastChild;
+
+ TIXML_STRING value;
+
+ TiXmlNode* prev;
+ TiXmlNode* next;
+
+private:
+ TiXmlNode( const TiXmlNode& ); // not implemented.
+ void operator=( const TiXmlNode& base ); // not allowed.
+};
+
+
+/** An attribute is a name-value pair. Elements have an arbitrary
+ number of attributes, each with a unique name.
+
+ @note The attributes are not TiXmlNodes, since they are not
+ part of the tinyXML document object model. There are other
+ suggested ways to look at this problem.
+*/
+class TiXmlAttribute : public TiXmlBase
+{
+ friend class TiXmlAttributeSet;
+
+public:
+ /// Construct an empty attribute.
+ TiXmlAttribute() : TiXmlBase()
+ {
+ document = 0;
+ prev = next = 0;
+ }
+
+ #ifdef TIXML_USE_STL
+ /// std::string constructor.
+ TiXmlAttribute( const std::string& _name, const std::string& _value )
+ {
+ name = _name;
+ value = _value;
+ document = 0;
+ prev = next = 0;
+ }
+ #endif
+
+ /// Construct an attribute with a name and value.
+ TiXmlAttribute( const char * _name, const char * _value )
+ {
+ name = _name;
+ value = _value;
+ document = 0;
+ prev = next = 0;
+ }
+
+ const char* Name() const { return name.c_str(); } ///< Return the name of this attribute.
+ const char* Value() const { return value.c_str(); } ///< Return the value of this attribute.
+ #ifdef TIXML_USE_STL
+ const std::string& ValueStr() const { return value; } ///< Return the value of this attribute.
+ #endif
+ int IntValue() const; ///< Return the value of this attribute, converted to an integer.
+ double DoubleValue() const; ///< Return the value of this attribute, converted to a double.
+
+ // Get the tinyxml string representation
+ const TIXML_STRING& NameTStr() const { return name; }
+
+ /** QueryIntValue examines the value string. It is an alternative to the
+ IntValue() method with richer error checking.
+ If the value is an integer, it is stored in 'value' and
+ the call returns TIXML_SUCCESS. If it is not
+ an integer, it returns TIXML_WRONG_TYPE.
+
+ A specialized but useful call. Note that for success it returns 0,
+ which is the opposite of almost all other TinyXml calls.
+ */
+ int QueryIntValue( int* _value ) const;
+ /// QueryDoubleValue examines the value string. See QueryIntValue().
+ int QueryDoubleValue( double* _value ) const;
+
+ void SetName( const char* _name ) { name = _name; } ///< Set the name of this attribute.
+ void SetValue( const char* _value ) { value = _value; } ///< Set the value.
+
+ void SetIntValue( int _value ); ///< Set the value from an integer.
+ void SetDoubleValue( double _value ); ///< Set the value from a double.
+
+ #ifdef TIXML_USE_STL
+ /// STL std::string form.
+ void SetName( const std::string& _name ) { name = _name; }
+ /// STL std::string form.
+ void SetValue( const std::string& _value ) { value = _value; }
+ #endif
+
+ /// Get the next sibling attribute in the DOM. Returns null at end.
+ const TiXmlAttribute* Next() const;
+ TiXmlAttribute* Next() {
+ return const_cast< TiXmlAttribute* >( (const_cast< const TiXmlAttribute* >(this))->Next() );
+ }
+
+ /// Get the previous sibling attribute in the DOM. Returns null at beginning.
+ const TiXmlAttribute* Previous() const;
+ TiXmlAttribute* Previous() {
+ return const_cast< TiXmlAttribute* >( (const_cast< const TiXmlAttribute* >(this))->Previous() );
+ }
+
+ bool operator==( const TiXmlAttribute& rhs ) const { return rhs.name == name; }
+ bool operator<( const TiXmlAttribute& rhs ) const { return name < rhs.name; }
+ bool operator>( const TiXmlAttribute& rhs ) const { return name > rhs.name; }
+
+ /* Attribute parsing starts: first letter of the name
+ returns: the next char after the value end quote
+ */
+ virtual const char* Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding );
+
+ // Prints this Attribute to a FILE stream.
+ virtual void Print( FILE* cfile, int depth ) const {
+ Print( cfile, depth, 0 );
+ }
+ void Print( FILE* cfile, int depth, TIXML_STRING* str ) const;
+
+ // [internal use]
+ // Set the document pointer so the attribute can report errors.
+ void SetDocument( TiXmlDocument* doc ) { document = doc; }
+
+private:
+ TiXmlAttribute( const TiXmlAttribute& ); // not implemented.
+ void operator=( const TiXmlAttribute& base ); // not allowed.
+
+ TiXmlDocument* document; // A pointer back to a document, for error reporting.
+ TIXML_STRING name;
+ TIXML_STRING value;
+ TiXmlAttribute* prev;
+ TiXmlAttribute* next;
+};
+
+
+/* A class used to manage a group of attributes.
+ It is only used internally, both by the ELEMENT and the DECLARATION.
+
+ The set can be changed transparent to the Element and Declaration
+ classes that use it, but NOT transparent to the Attribute
+ which has to implement a next() and previous() method. Which makes
+ it a bit problematic and prevents the use of STL.
+
+ This version is implemented with circular lists because:
+ - I like circular lists
+ - it demonstrates some independence from the (typical) doubly linked list.
+*/
+class TiXmlAttributeSet
+{
+public:
+ TiXmlAttributeSet();
+ ~TiXmlAttributeSet();
+
+ void Add( TiXmlAttribute* attribute );
+ void Remove( TiXmlAttribute* attribute );
+
+ const TiXmlAttribute* First() const { return ( sentinel.next == &sentinel ) ? 0 : sentinel.next; }
+ TiXmlAttribute* First() { return ( sentinel.next == &sentinel ) ? 0 : sentinel.next; }
+ const TiXmlAttribute* Last() const { return ( sentinel.prev == &sentinel ) ? 0 : sentinel.prev; }
+ TiXmlAttribute* Last() { return ( sentinel.prev == &sentinel ) ? 0 : sentinel.prev; }
+
+ TiXmlAttribute* Find( const char* _name ) const;
+ TiXmlAttribute* FindOrCreate( const char* _name );
+
+# ifdef TIXML_USE_STL
+ TiXmlAttribute* Find( const std::string& _name ) const;
+ TiXmlAttribute* FindOrCreate( const std::string& _name );
+# endif
+
+
+private:
+ //*ME: Because of hidden/disabled copy-construktor in TiXmlAttribute (sentinel-element),
+ //*ME: this class must be also use a hidden/disabled copy-constructor !!!
+ TiXmlAttributeSet( const TiXmlAttributeSet& ); // not allowed
+ void operator=( const TiXmlAttributeSet& ); // not allowed (as TiXmlAttribute)
+
+ TiXmlAttribute sentinel;
+};
+
+
+/** The element is a container class. It has a value, the element name,
+ and can contain other elements, text, comments, and unknowns.
+ Elements also contain an arbitrary number of attributes.
+*/
+class TiXmlElement : public TiXmlNode
+{
+public:
+ /// Construct an element.
+ TiXmlElement (const char * in_value);
+
+ #ifdef TIXML_USE_STL
+ /// std::string constructor.
+ TiXmlElement( const std::string& _value );
+ #endif
+
+ TiXmlElement( const TiXmlElement& );
+
+ TiXmlElement& operator=( const TiXmlElement& base );
+
+ virtual ~TiXmlElement();
+
+ /** Given an attribute name, Attribute() returns the value
+ for the attribute of that name, or null if none exists.
+ */
+ const char* Attribute( const char* name ) const;
+
+ /** Given an attribute name, Attribute() returns the value
+ for the attribute of that name, or null if none exists.
+ If the attribute exists and can be converted to an integer,
+ the integer value will be put in the return 'i', if 'i'
+ is non-null.
+ */
+ const char* Attribute( const char* name, int* i ) const;
+
+ /** Given an attribute name, Attribute() returns the value
+ for the attribute of that name, or null if none exists.
+ If the attribute exists and can be converted to an double,
+ the double value will be put in the return 'd', if 'd'
+ is non-null.
+ */
+ const char* Attribute( const char* name, double* d ) const;
+
+ /** QueryIntAttribute examines the attribute - it is an alternative to the
+ Attribute() method with richer error checking.
+ If the attribute is an integer, it is stored in 'value' and
+ the call returns TIXML_SUCCESS. If it is not
+ an integer, it returns TIXML_WRONG_TYPE. If the attribute
+ does not exist, then TIXML_NO_ATTRIBUTE is returned.
+ */
+ int QueryIntAttribute( const char* name, int* _value ) const;
+ /// QueryUnsignedAttribute examines the attribute - see QueryIntAttribute().
+ int QueryUnsignedAttribute( const char* name, unsigned* _value ) const;
+ /** QueryBoolAttribute examines the attribute - see QueryIntAttribute().
+ Note that '1', 'true', or 'yes' are considered true, while '0', 'false'
+ and 'no' are considered false.
+ */
+ int QueryBoolAttribute( const char* name, bool* _value ) const;
+ /// QueryDoubleAttribute examines the attribute - see QueryIntAttribute().
+ int QueryDoubleAttribute( const char* name, double* _value ) const;
+ /// QueryFloatAttribute examines the attribute - see QueryIntAttribute().
+ int QueryFloatAttribute( const char* name, float* _value ) const {
+ double d;
+ int result = QueryDoubleAttribute( name, &d );
+ if ( result == TIXML_SUCCESS ) {
+ *_value = (float)d;
+ }
+ return result;
+ }
+
+ #ifdef TIXML_USE_STL
+ /// QueryStringAttribute examines the attribute - see QueryIntAttribute().
+ int QueryStringAttribute( const char* name, std::string* _value ) const {
+ const char* cstr = Attribute( name );
+ if ( cstr ) {
+ *_value = std::string( cstr );
+ return TIXML_SUCCESS;
+ }
+ return TIXML_NO_ATTRIBUTE;
+ }
+
+ /** Template form of the attribute query which will try to read the
+ attribute into the specified type. Very easy, very powerful, but
+ be careful to make sure to call this with the correct type.
+
+ NOTE: This method doesn't work correctly for 'string' types that contain spaces.
+
+ @return TIXML_SUCCESS, TIXML_WRONG_TYPE, or TIXML_NO_ATTRIBUTE
+ */
+ template< typename T > int QueryValueAttribute( const std::string& name, T* outValue ) const
+ {
+ const TiXmlAttribute* node = attributeSet.Find( name );
+ if ( !node )
+ return TIXML_NO_ATTRIBUTE;
+
+ std::stringstream sstream( node->ValueStr() );
+ sstream >> *outValue;
+ if ( !sstream.fail() )
+ return TIXML_SUCCESS;
+ return TIXML_WRONG_TYPE;
+ }
+
+ int QueryValueAttribute( const std::string& name, std::string* outValue ) const
+ {
+ const TiXmlAttribute* node = attributeSet.Find( name );
+ if ( !node )
+ return TIXML_NO_ATTRIBUTE;
+ *outValue = node->ValueStr();
+ return TIXML_SUCCESS;
+ }
+ #endif
+
+ /** Sets an attribute of name to a given value. The attribute
+ will be created if it does not exist, or changed if it does.
+ */
+ void SetAttribute( const char* name, const char * _value );
+
+ #ifdef TIXML_USE_STL
+ const std::string* Attribute( const std::string& name ) const;
+ const std::string* Attribute( const std::string& name, int* i ) const;
+ const std::string* Attribute( const std::string& name, double* d ) const;
+ int QueryIntAttribute( const std::string& name, int* _value ) const;
+ int QueryDoubleAttribute( const std::string& name, double* _value ) const;
+
+ /// STL std::string form.
+ void SetAttribute( const std::string& name, const std::string& _value );
+ ///< STL std::string form.
+ void SetAttribute( const std::string& name, int _value );
+ ///< STL std::string form.
+ void SetDoubleAttribute( const std::string& name, double value );
+ #endif
+
+ /** Sets an attribute of name to a given value. The attribute
+ will be created if it does not exist, or changed if it does.
+ */
+ void SetAttribute( const char * name, int value );
+
+ /** Sets an attribute of name to a given value. The attribute
+ will be created if it does not exist, or changed if it does.
+ */
+ void SetDoubleAttribute( const char * name, double value );
+
+ /** Deletes an attribute with the given name.
+ */
+ void RemoveAttribute( const char * name );
+ #ifdef TIXML_USE_STL
+ void RemoveAttribute( const std::string& name ) { RemoveAttribute (name.c_str ()); } ///< STL std::string form.
+ #endif
+
+ const TiXmlAttribute* FirstAttribute() const { return attributeSet.First(); } ///< Access the first attribute in this element.
+ TiXmlAttribute* FirstAttribute() { return attributeSet.First(); }
+ const TiXmlAttribute* LastAttribute() const { return attributeSet.Last(); } ///< Access the last attribute in this element.
+ TiXmlAttribute* LastAttribute() { return attributeSet.Last(); }
+
+ /** Convenience function for easy access to the text inside an element. Although easy
+ and concise, GetText() is limited compared to getting the TiXmlText child
+ and accessing it directly.
+
+ If the first child of 'this' is a TiXmlText, the GetText()
+ returns the character string of the Text node, else null is returned.
+
+ This is a convenient method for getting the text of simple contained text:
+ @verbatim
+ <foo>This is text</foo>
+ const char* str = fooElement->GetText();
+ @endverbatim
+
+ 'str' will be a pointer to "This is text".
+
+ Note that this function can be misleading. If the element foo was created from
+ this XML:
+ @verbatim
+ <foo><b>This is text</b></foo>
+ @endverbatim
+
+ then the value of str would be null. The first child node isn't a text node, it is
+ another element. From this XML:
+ @verbatim
+ <foo>This is <b>text</b></foo>
+ @endverbatim
+ GetText() will return "This is ".
+
+ WARNING: GetText() accesses a child node - don't become confused with the
+ similarly named TiXmlHandle::Text() and TiXmlNode::ToText() which are
+ safe type casts on the referenced node.
+ */
+ const char* GetText() const;
+
+ /// Creates a new Element and returns it - the returned element is a copy.
+ virtual TiXmlNode* Clone() const;
+ // Print the Element to a FILE stream.
+ virtual void Print( FILE* cfile, int depth ) const;
+
+ /* Attribtue parsing starts: next char past '<'
+ returns: next char past '>'
+ */
+ virtual const char* Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding );
+
+ virtual const TiXmlElement* ToElement() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+ virtual TiXmlElement* ToElement() { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+
+ /** Walk the XML tree visiting this node and all of its children.
+ */
+ virtual bool Accept( TiXmlVisitor* visitor ) const;
+
+protected:
+
+ void CopyTo( TiXmlElement* target ) const;
+ void ClearThis(); // like clear, but initializes 'this' object as well
+
+ // Used to be public [internal use]
+ #ifdef TIXML_USE_STL
+ virtual void StreamIn( std::istream * in, TIXML_STRING * tag );
+ #endif
+ /* [internal use]
+ Reads the "value" of the element -- another element, or text.
+ This should terminate with the current end tag.
+ */
+ const char* ReadValue( const char* in, TiXmlParsingData* prevData, TiXmlEncoding encoding );
+
+private:
+ TiXmlAttributeSet attributeSet;
+};
+
+
+/** An XML comment.
+*/
+class TiXmlComment : public TiXmlNode
+{
+public:
+ /// Constructs an empty comment.
+ TiXmlComment() : TiXmlNode( TiXmlNode::TINYXML_COMMENT ) {}
+ /// Construct a comment from text.
+ TiXmlComment( const char* _value ) : TiXmlNode( TiXmlNode::TINYXML_COMMENT ) {
+ SetValue( _value );
+ }
+ TiXmlComment( const TiXmlComment& );
+ TiXmlComment& operator=( const TiXmlComment& base );
+
+ virtual ~TiXmlComment() {}
+
+ /// Returns a copy of this Comment.
+ virtual TiXmlNode* Clone() const;
+ // Write this Comment to a FILE stream.
+ virtual void Print( FILE* cfile, int depth ) const;
+
+ /* Attribtue parsing starts: at the ! of the !--
+ returns: next char past '>'
+ */
+ virtual const char* Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding );
+
+ virtual const TiXmlComment* ToComment() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+ virtual TiXmlComment* ToComment() { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+
+ /** Walk the XML tree visiting this node and all of its children.
+ */
+ virtual bool Accept( TiXmlVisitor* visitor ) const;
+
+protected:
+ void CopyTo( TiXmlComment* target ) const;
+
+ // used to be public
+ #ifdef TIXML_USE_STL
+ virtual void StreamIn( std::istream * in, TIXML_STRING * tag );
+ #endif
+// virtual void StreamOut( TIXML_OSTREAM * out ) const;
+
+private:
+
+};
+
+
+/** XML text. A text node can have 2 ways to output the next. "normal" output
+ and CDATA. It will default to the mode it was parsed from the XML file and
+ you generally want to leave it alone, but you can change the output mode with
+ SetCDATA() and query it with CDATA().
+*/
+class TiXmlText : public TiXmlNode
+{
+ friend class TiXmlElement;
+public:
+ /** Constructor for text element. By default, it is treated as
+ normal, encoded text. If you want it be output as a CDATA text
+ element, set the parameter _cdata to 'true'
+ */
+ TiXmlText (const char * initValue ) : TiXmlNode (TiXmlNode::TINYXML_TEXT)
+ {
+ SetValue( initValue );
+ cdata = false;
+ }
+ virtual ~TiXmlText() {}
+
+ #ifdef TIXML_USE_STL
+ /// Constructor.
+ TiXmlText( const std::string& initValue ) : TiXmlNode (TiXmlNode::TINYXML_TEXT)
+ {
+ SetValue( initValue );
+ cdata = false;
+ }
+ #endif
+
+ TiXmlText( const TiXmlText& copy ) : TiXmlNode( TiXmlNode::TINYXML_TEXT ) { copy.CopyTo( this ); }
+ TiXmlText& operator=( const TiXmlText& base ) { base.CopyTo( this ); return *this; }
+
+ // Write this text object to a FILE stream.
+ virtual void Print( FILE* cfile, int depth ) const;
+
+ /// Queries whether this represents text using a CDATA section.
+ bool CDATA() const { return cdata; }
+ /// Turns on or off a CDATA representation of text.
+ void SetCDATA( bool _cdata ) { cdata = _cdata; }
+
+ virtual const char* Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding );
+
+ virtual const TiXmlText* ToText() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+ virtual TiXmlText* ToText() { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+
+ /** Walk the XML tree visiting this node and all of its children.
+ */
+ virtual bool Accept( TiXmlVisitor* content ) const;
+
+protected :
+ /// [internal use] Creates a new Element and returns it.
+ virtual TiXmlNode* Clone() const;
+ void CopyTo( TiXmlText* target ) const;
+
+ bool Blank() const; // returns true if all white space and new lines
+ // [internal use]
+ #ifdef TIXML_USE_STL
+ virtual void StreamIn( std::istream * in, TIXML_STRING * tag );
+ #endif
+
+private:
+ bool cdata; // true if this should be input and output as a CDATA style text element
+};
+
+
+/** In correct XML the declaration is the first entry in the file.
+ @verbatim
+ <?xml version="1.0" standalone="yes"?>
+ @endverbatim
+
+ TinyXml will happily read or write files without a declaration,
+ however. There are 3 possible attributes to the declaration:
+ version, encoding, and standalone.
+
+ Note: In this version of the code, the attributes are
+ handled as special cases, not generic attributes, simply
+ because there can only be at most 3 and they are always the same.
+*/
+class TiXmlDeclaration : public TiXmlNode
+{
+public:
+ /// Construct an empty declaration.
+ TiXmlDeclaration() : TiXmlNode( TiXmlNode::TINYXML_DECLARATION ) {}
+
+#ifdef TIXML_USE_STL
+ /// Constructor.
+ TiXmlDeclaration( const std::string& _version,
+ const std::string& _encoding,
+ const std::string& _standalone );
+#endif
+
+ /// Construct.
+ TiXmlDeclaration( const char* _version,
+ const char* _encoding,
+ const char* _standalone );
+
+ TiXmlDeclaration( const TiXmlDeclaration& copy );
+ TiXmlDeclaration& operator=( const TiXmlDeclaration& copy );
+
+ virtual ~TiXmlDeclaration() {}
+
+ /// Version. Will return an empty string if none was found.
+ const char *Version() const { return version.c_str (); }
+ /// Encoding. Will return an empty string if none was found.
+ const char *Encoding() const { return encoding.c_str (); }
+ /// Is this a standalone document?
+ const char *Standalone() const { return standalone.c_str (); }
+
+ /// Creates a copy of this Declaration and returns it.
+ virtual TiXmlNode* Clone() const;
+ // Print this declaration to a FILE stream.
+ virtual void Print( FILE* cfile, int depth, TIXML_STRING* str ) const;
+ virtual void Print( FILE* cfile, int depth ) const {
+ Print( cfile, depth, 0 );
+ }
+
+ virtual const char* Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding );
+
+ virtual const TiXmlDeclaration* ToDeclaration() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+ virtual TiXmlDeclaration* ToDeclaration() { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+
+ /** Walk the XML tree visiting this node and all of its children.
+ */
+ virtual bool Accept( TiXmlVisitor* visitor ) const;
+
+protected:
+ void CopyTo( TiXmlDeclaration* target ) const;
+ // used to be public
+ #ifdef TIXML_USE_STL
+ virtual void StreamIn( std::istream * in, TIXML_STRING * tag );
+ #endif
+
+private:
+
+ TIXML_STRING version;
+ TIXML_STRING encoding;
+ TIXML_STRING standalone;
+};
+
+
+/** Any tag that tinyXml doesn't recognize is saved as an
+ unknown. It is a tag of text, but should not be modified.
+ It will be written back to the XML, unchanged, when the file
+ is saved.
+
+ DTD tags get thrown into TiXmlUnknowns.
+*/
+class TiXmlUnknown : public TiXmlNode
+{
+public:
+ TiXmlUnknown() : TiXmlNode( TiXmlNode::TINYXML_UNKNOWN ) {}
+ virtual ~TiXmlUnknown() {}
+
+ TiXmlUnknown( const TiXmlUnknown& copy ) : TiXmlNode( TiXmlNode::TINYXML_UNKNOWN ) { copy.CopyTo( this ); }
+ TiXmlUnknown& operator=( const TiXmlUnknown& copy ) { copy.CopyTo( this ); return *this; }
+
+ /// Creates a copy of this Unknown and returns it.
+ virtual TiXmlNode* Clone() const;
+ // Print this Unknown to a FILE stream.
+ virtual void Print( FILE* cfile, int depth ) const;
+
+ virtual const char* Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding );
+
+ virtual const TiXmlUnknown* ToUnknown() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+ virtual TiXmlUnknown* ToUnknown() { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+
+ /** Walk the XML tree visiting this node and all of its children.
+ */
+ virtual bool Accept( TiXmlVisitor* content ) const;
+
+protected:
+ void CopyTo( TiXmlUnknown* target ) const;
+
+ #ifdef TIXML_USE_STL
+ virtual void StreamIn( std::istream * in, TIXML_STRING * tag );
+ #endif
+
+private:
+
+};
+
+
+/** Always the top level node. A document binds together all the
+ XML pieces. It can be saved, loaded, and printed to the screen.
+ The 'value' of a document node is the xml file name.
+*/
+class TiXmlDocument : public TiXmlNode
+{
+public:
+ /// Create an empty document, that has no name.
+ TiXmlDocument();
+ /// Create a document with a name. The name of the document is also the filename of the xml.
+ TiXmlDocument( const char * documentName );
+
+ #ifdef TIXML_USE_STL
+ /// Constructor.
+ TiXmlDocument( const std::string& documentName );
+ #endif
+
+ TiXmlDocument( const TiXmlDocument& copy );
+ TiXmlDocument& operator=( const TiXmlDocument& copy );
+
+ virtual ~TiXmlDocument() {}
+
+ /** Load a file using the current document value.
+ Returns true if successful. Will delete any existing
+ document data before loading.
+ */
+ bool LoadFile( TiXmlEncoding encoding = TIXML_DEFAULT_ENCODING );
+ /// Save a file using the current document value. Returns true if successful.
+ bool SaveFile() const;
+ /// Load a file using the given filename. Returns true if successful.
+ bool LoadFile( const char * filename, TiXmlEncoding encoding = TIXML_DEFAULT_ENCODING );
+ /// Save a file using the given filename. Returns true if successful.
+ bool SaveFile( const char * filename ) const;
+ /** Load a file using the given FILE*. Returns true if successful. Note that this method
+ doesn't stream - the entire object pointed at by the FILE*
+ will be interpreted as an XML file. TinyXML doesn't stream in XML from the current
+ file location. Streaming may be added in the future.
+ */
+ bool LoadFile( FILE*, TiXmlEncoding encoding = TIXML_DEFAULT_ENCODING );
+ /// Save a file using the given FILE*. Returns true if successful.
+ bool SaveFile( FILE* ) const;
+
+ #ifdef TIXML_USE_STL
+ bool LoadFile( const std::string& filename, TiXmlEncoding encoding = TIXML_DEFAULT_ENCODING ) ///< STL std::string version.
+ {
+ return LoadFile( filename.c_str(), encoding );
+ }
+ bool SaveFile( const std::string& filename ) const ///< STL std::string version.
+ {
+ return SaveFile( filename.c_str() );
+ }
+ #endif
+
+ /** Parse the given null terminated block of xml data. Passing in an encoding to this
+ method (either TIXML_ENCODING_LEGACY or TIXML_ENCODING_UTF8 will force TinyXml
+ to use that encoding, regardless of what TinyXml might otherwise try to detect.
+ */
+ virtual const char* Parse( const char* p, TiXmlParsingData* data = 0, TiXmlEncoding encoding = TIXML_DEFAULT_ENCODING );
+
+ /** Get the root element -- the only top level element -- of the document.
+ In well formed XML, there should only be one. TinyXml is tolerant of
+ multiple elements at the document level.
+ */
+ const TiXmlElement* RootElement() const { return FirstChildElement(); }
+ TiXmlElement* RootElement() { return FirstChildElement(); }
+
+ /** If an error occurs, Error will be set to true. Also,
+ - The ErrorId() will contain the integer identifier of the error (not generally useful)
+ - The ErrorDesc() method will return the name of the error. (very useful)
+ - The ErrorRow() and ErrorCol() will return the location of the error (if known)
+ */
+ bool Error() const { return error; }
+
+ /// Contains a textual (english) description of the error if one occurs.
+ const char * ErrorDesc() const { return errorDesc.c_str (); }
+
+ /** Generally, you probably want the error string ( ErrorDesc() ). But if you
+ prefer the ErrorId, this function will fetch it.
+ */
+ int ErrorId() const { return errorId; }
+
+ /** Returns the location (if known) of the error. The first column is column 1,
+ and the first row is row 1. A value of 0 means the row and column wasn't applicable
+ (memory errors, for example, have no row/column) or the parser lost the error. (An
+ error in the error reporting, in that case.)
+
+ @sa SetTabSize, Row, Column
+ */
+ int ErrorRow() const { return errorLocation.row+1; }
+ int ErrorCol() const { return errorLocation.col+1; } ///< The column where the error occured. See ErrorRow()
+
+ /** SetTabSize() allows the error reporting functions (ErrorRow() and ErrorCol())
+ to report the correct values for row and column. It does not change the output
+ or input in any way.
+
+ By calling this method, with a tab size
+ greater than 0, the row and column of each node and attribute is stored
+ when the file is loaded. Very useful for tracking the DOM back in to
+ the source file.
+
+ The tab size is required for calculating the location of nodes. If not
+ set, the default of 4 is used. The tabsize is set per document. Setting
+ the tabsize to 0 disables row/column tracking.
+
+ Note that row and column tracking is not supported when using operator>>.
+
+ The tab size needs to be enabled before the parse or load. Correct usage:
+ @verbatim
+ TiXmlDocument doc;
+ doc.SetTabSize( 8 );
+ doc.Load( "myfile.xml" );
+ @endverbatim
+
+ @sa Row, Column
+ */
+ void SetTabSize( int _tabsize ) { tabsize = _tabsize; }
+
+ int TabSize() const { return tabsize; }
+
+ /** If you have handled the error, it can be reset with this call. The error
+ state is automatically cleared if you Parse a new XML block.
+ */
+ void ClearError() { error = false;
+ errorId = 0;
+ errorDesc = "";
+ errorLocation.row = errorLocation.col = 0;
+ //errorLocation.last = 0;
+ }
+
+ /** Write the document to standard out using formatted printing ("pretty print"). */
+ void Print() const { Print( stdout, 0 ); }
+
+ /* Write the document to a string using formatted printing ("pretty print"). This
+ will allocate a character array (new char[]) and return it as a pointer. The
+ calling code pust call delete[] on the return char* to avoid a memory leak.
+ */
+ //char* PrintToMemory() const;
+
+ /// Print this Document to a FILE stream.
+ virtual void Print( FILE* cfile, int depth = 0 ) const;
+ // [internal use]
+ void SetError( int err, const char* errorLocation, TiXmlParsingData* prevData, TiXmlEncoding encoding );
+
+ virtual const TiXmlDocument* ToDocument() const { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+ virtual TiXmlDocument* ToDocument() { return this; } ///< Cast to a more defined type. Will return null not of the requested type.
+
+ /** Walk the XML tree visiting this node and all of its children.
+ */
+ virtual bool Accept( TiXmlVisitor* content ) const;
+
+protected :
+ // [internal use]
+ virtual TiXmlNode* Clone() const;
+ #ifdef TIXML_USE_STL
+ virtual void StreamIn( std::istream * in, TIXML_STRING * tag );
+ #endif
+
+private:
+ void CopyTo( TiXmlDocument* target ) const;
+
+ bool error;
+ int errorId;
+ TIXML_STRING errorDesc;
+ int tabsize;
+ TiXmlCursor errorLocation;
+ bool useMicrosoftBOM; // the UTF-8 BOM were found when read. Note this, and try to write.
+};
+
+
+/**
+ A TiXmlHandle is a class that wraps a node pointer with null checks; this is
+ an incredibly useful thing. Note that TiXmlHandle is not part of the TinyXml
+ DOM structure. It is a separate utility class.
+
+ Take an example:
+ @verbatim
+ <Document>
+ <Element attributeA = "valueA">
+ <Child attributeB = "value1" />
+ <Child attributeB = "value2" />
+ </Element>
+ <Document>
+ @endverbatim
+
+ Assuming you want the value of "attributeB" in the 2nd "Child" element, it's very
+ easy to write a *lot* of code that looks like:
+
+ @verbatim
+ TiXmlElement* root = document.FirstChildElement( "Document" );
+ if ( root )
+ {
+ TiXmlElement* element = root->FirstChildElement( "Element" );
+ if ( element )
+ {
+ TiXmlElement* child = element->FirstChildElement( "Child" );
+ if ( child )
+ {
+ TiXmlElement* child2 = child->NextSiblingElement( "Child" );
+ if ( child2 )
+ {
+ // Finally do something useful.
+ @endverbatim
+
+ And that doesn't even cover "else" cases. TiXmlHandle addresses the verbosity
+ of such code. A TiXmlHandle checks for null pointers so it is perfectly safe
+ and correct to use:
+
+ @verbatim
+ TiXmlHandle docHandle( &document );
+ TiXmlElement* child2 = docHandle.FirstChild( "Document" ).FirstChild( "Element" ).Child( "Child", 1 ).ToElement();
+ if ( child2 )
+ {
+ // do something useful
+ @endverbatim
+
+ Which is MUCH more concise and useful.
+
+ It is also safe to copy handles - internally they are nothing more than node pointers.
+ @verbatim
+ TiXmlHandle handleCopy = handle;
+ @endverbatim
+
+ What they should not be used for is iteration:
+
+ @verbatim
+ int i=0;
+ while ( true )
+ {
+ TiXmlElement* child = docHandle.FirstChild( "Document" ).FirstChild( "Element" ).Child( "Child", i ).ToElement();
+ if ( !child )
+ break;
+ // do something
+ ++i;
+ }
+ @endverbatim
+
+ It seems reasonable, but it is in fact two embedded while loops. The Child method is
+ a linear walk to find the element, so this code would iterate much more than it needs
+ to. Instead, prefer:
+
+ @verbatim
+ TiXmlElement* child = docHandle.FirstChild( "Document" ).FirstChild( "Element" ).FirstChild( "Child" ).ToElement();
+
+ for( child; child; child=child->NextSiblingElement() )
+ {
+ // do something
+ }
+ @endverbatim
+*/
+class TiXmlHandle
+{
+public:
+ /// Create a handle from any node (at any depth of the tree.) This can be a null pointer.
+ TiXmlHandle( TiXmlNode* _node ) { this->node = _node; }
+ /// Copy constructor
+ TiXmlHandle( const TiXmlHandle& ref ) { this->node = ref.node; }
+ TiXmlHandle operator=( const TiXmlHandle& ref ) { if ( &ref != this ) this->node = ref.node; return *this; }
+
+ /// Return a handle to the first child node.
+ TiXmlHandle FirstChild() const;
+ /// Return a handle to the first child node with the given name.
+ TiXmlHandle FirstChild( const char * value ) const;
+ /// Return a handle to the first child element.
+ TiXmlHandle FirstChildElement() const;
+ /// Return a handle to the first child element with the given name.
+ TiXmlHandle FirstChildElement( const char * value ) const;
+
+ /** Return a handle to the "index" child with the given name.
+ The first child is 0, the second 1, etc.
+ */
+ TiXmlHandle Child( const char* value, int index ) const;
+ /** Return a handle to the "index" child.
+ The first child is 0, the second 1, etc.
+ */
+ TiXmlHandle Child( int index ) const;
+ /** Return a handle to the "index" child element with the given name.
+ The first child element is 0, the second 1, etc. Note that only TiXmlElements
+ are indexed: other types are not counted.
+ */
+ TiXmlHandle ChildElement( const char* value, int index ) const;
+ /** Return a handle to the "index" child element.
+ The first child element is 0, the second 1, etc. Note that only TiXmlElements
+ are indexed: other types are not counted.
+ */
+ TiXmlHandle ChildElement( int index ) const;
+
+ #ifdef TIXML_USE_STL
+ TiXmlHandle FirstChild( const std::string& _value ) const { return FirstChild( _value.c_str() ); }
+ TiXmlHandle FirstChildElement( const std::string& _value ) const { return FirstChildElement( _value.c_str() ); }
+
+ TiXmlHandle Child( const std::string& _value, int index ) const { return Child( _value.c_str(), index ); }
+ TiXmlHandle ChildElement( const std::string& _value, int index ) const { return ChildElement( _value.c_str(), index ); }
+ #endif
+
+ /** Return the handle as a TiXmlNode. This may return null.
+ */
+ TiXmlNode* ToNode() const { return node; }
+ /** Return the handle as a TiXmlElement. This may return null.
+ */
+ TiXmlElement* ToElement() const { return ( ( node && node->ToElement() ) ? node->ToElement() : 0 ); }
+ /** Return the handle as a TiXmlText. This may return null.
+ */
+ TiXmlText* ToText() const { return ( ( node && node->ToText() ) ? node->ToText() : 0 ); }
+ /** Return the handle as a TiXmlUnknown. This may return null.
+ */
+ TiXmlUnknown* ToUnknown() const { return ( ( node && node->ToUnknown() ) ? node->ToUnknown() : 0 ); }
+
+ /** @deprecated use ToNode.
+ Return the handle as a TiXmlNode. This may return null.
+ */
+ TiXmlNode* Node() const { return ToNode(); }
+ /** @deprecated use ToElement.
+ Return the handle as a TiXmlElement. This may return null.
+ */
+ TiXmlElement* Element() const { return ToElement(); }
+ /** @deprecated use ToText()
+ Return the handle as a TiXmlText. This may return null.
+ */
+ TiXmlText* Text() const { return ToText(); }
+ /** @deprecated use ToUnknown()
+ Return the handle as a TiXmlUnknown. This may return null.
+ */
+ TiXmlUnknown* Unknown() const { return ToUnknown(); }
+
+private:
+ TiXmlNode* node;
+};
+
+
+/** Print to memory functionality. The TiXmlPrinter is useful when you need to:
+
+ -# Print to memory (especially in non-STL mode)
+ -# Control formatting (line endings, etc.)
+
+ When constructed, the TiXmlPrinter is in its default "pretty printing" mode.
+ Before calling Accept() you can call methods to control the printing
+ of the XML document. After TiXmlNode::Accept() is called, the printed document can
+ be accessed via the CStr(), Str(), and Size() methods.
+
+ TiXmlPrinter uses the Visitor API.
+ @verbatim
+ TiXmlPrinter printer;
+ printer.SetIndent( "\t" );
+
+ doc.Accept( &printer );
+ fprintf( stdout, "%s", printer.CStr() );
+ @endverbatim
+*/
+class TiXmlPrinter : public TiXmlVisitor
+{
+public:
+ TiXmlPrinter() : depth( 0 ), simpleTextPrint( false ),
+ buffer(), indent( " " ), lineBreak( "\n" ) {}
+
+ virtual bool VisitEnter( const TiXmlDocument& doc );
+ virtual bool VisitExit( const TiXmlDocument& doc );
+
+ virtual bool VisitEnter( const TiXmlElement& element, const TiXmlAttribute* firstAttribute );
+ virtual bool VisitExit( const TiXmlElement& element );
+
+ virtual bool Visit( const TiXmlDeclaration& declaration );
+ virtual bool Visit( const TiXmlText& text );
+ virtual bool Visit( const TiXmlComment& comment );
+ virtual bool Visit( const TiXmlUnknown& unknown );
+
+ /** Set the indent characters for printing. By default 4 spaces
+ but tab (\t) is also useful, or null/empty string for no indentation.
+ */
+ void SetIndent( const char* _indent ) { indent = _indent ? _indent : "" ; }
+ /// Query the indention string.
+ const char* Indent() { return indent.c_str(); }
+ /** Set the line breaking string. By default set to newline (\n).
+ Some operating systems prefer other characters, or can be
+ set to the null/empty string for no indenation.
+ */
+ void SetLineBreak( const char* _lineBreak ) { lineBreak = _lineBreak ? _lineBreak : ""; }
+ /// Query the current line breaking string.
+ const char* LineBreak() { return lineBreak.c_str(); }
+
+ /** Switch over to "stream printing" which is the most dense formatting without
+ linebreaks. Common when the XML is needed for network transmission.
+ */
+ void SetStreamPrinting() { indent = "";
+ lineBreak = "";
+ }
+ /// Return the result.
+ const char* CStr() { return buffer.c_str(); }
+ /// Return the length of the result string.
+ size_t Size() { return buffer.size(); }
+
+ #ifdef TIXML_USE_STL
+ /// Return the result.
+ const std::string& Str() { return buffer; }
+ #endif
+
+private:
+ void DoIndent() {
+ for( int i=0; i<depth; ++i )
+ buffer += indent;
+ }
+ void DoLineBreak() {
+ buffer += lineBreak;
+ }
+
+ int depth;
+ bool simpleTextPrint;
+ TIXML_STRING buffer;
+ TIXML_STRING indent;
+ TIXML_STRING lineBreak;
+};
+
+
+#ifdef _MSC_VER
+#pragma warning( pop )
+#endif
+
+#endif