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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