// Read the name.	const char* pErr = p;    p = ReadName( p, &value, encoding );	if ( !p || !*p )	{		if ( document )	document->SetError( TIXML_ERROR_FAILED_TO_READ_ELEMENT_NAME, pErr, data, encoding );		return 0;	}    TIXML_STRING endTag ("</");	endTag += value;	endTag += ">";	// Check for and read attributes. Also look for an empty	// tag or an end tag.	while ( p && *p )	{		pErr = p;		p = SkipWhiteSpace( p, encoding );		if ( !p || !*p )		{			if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, pErr, data, encoding );			return 0;		}		if ( *p == '/' )		{			++p;			// Empty tag.			if ( *p  != '>' )			{				if ( document ) document->SetError( TIXML_ERROR_PARSING_EMPTY, p, data, encoding );						return 0;			}			return (p+1);		}		else if ( *p == '>' )		{			// Done with attributes (if there were any.)			// Read the value -- which can include other			// elements -- read the end tag, and return.			++p;			p = ReadValue( p, data, encoding );		// Note this is an Element method, and will set the error if one happens.			if ( !p || !*p )				return 0;			// We should find the end tag now			if ( StringEqual( p, endTag.c_str(), false, encoding ) )			{				p += endTag.length();				return p;			}			else			{				if ( document ) document->SetError( TIXML_ERROR_READING_END_TAG, p, data, encoding );				return 0;			}		}		else		{			// Try to read an attribute:			TiXmlAttribute* attrib = new TiXmlAttribute();			if ( !attrib )			{				if ( document ) document->SetError( TIXML_ERROR_OUT_OF_MEMORY, pErr, data, encoding );				return 0;			}			attrib->SetDocument( document );			pErr = p;			p = attrib->Parse( p, data, encoding );			if ( !p || !*p )			{				if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, pErr, data, encoding );				delete attrib;				return 0;			}			// Handle the strange case of double attributes:			#ifdef TIXML_USE_STL			TiXmlAttribute* node = attributeSet.Find( attrib->NameTStr() );			#else			TiXmlAttribute* node = attributeSet.Find( attrib->Name() );			#endif			if ( node )			{				node->SetValue( attrib->Value() );				delete attrib;				return 0;			}			attributeSet.Add( attrib );		}	}	return p;}const char* TiXmlElement::ReadValue( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ){	TiXmlDocument* document = GetDocument();	// Read in text and elements in any order.	const char* pWithWhiteSpace = p;	p = SkipWhiteSpace( p, encoding );	while ( p && *p )	{		if ( *p != '<' )		{			// Take what we have, make a text element.			TiXmlText* textNode = new TiXmlText( "" );			if ( !textNode )			{				if ( document ) document->SetError( TIXML_ERROR_OUT_OF_MEMORY, 0, 0, encoding );				    return 0;			}			if ( TiXmlBase::IsWhiteSpaceCondensed() )			{				p = textNode->Parse( p, data, encoding );			}			else			{				// Special case: we want to keep the white space				// so that leading spaces aren't removed.				p = textNode->Parse( pWithWhiteSpace, data, encoding );			}			if ( !textNode->Blank() )				LinkEndChild( textNode );			else				delete textNode;		} 		else 		{			// We hit a '<'			// Have we hit a new element or an end tag? This could also be			// a TiXmlText in the "CDATA" style.			if ( StringEqual( p, "</", false, encoding ) )			{				return p;			}			else			{				TiXmlNode* node = Identify( p, encoding );				if ( node )				{					p = node->Parse( p, data, encoding );					LinkEndChild( node );				}								else				{					return 0;				}			}		}		pWithWhiteSpace = p;		p = SkipWhiteSpace( p, encoding );	}	if ( !p )	{		if ( document ) document->SetError( TIXML_ERROR_READING_ELEMENT_VALUE, 0, 0, encoding );	}		return p;}#ifdef TIXML_USE_STLvoid TiXmlUnknown::StreamIn( std::istream * in, TIXML_STRING * tag ){	while ( in->good() )	{		int c = in->get();			if ( c <= 0 )		{			TiXmlDocument* document = GetDocument();			if ( document )				document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN );			return;		}		(*tag) += (char) c;		if ( c == '>' )		{			// All is well.			return;				}	}}#endifconst char* TiXmlUnknown::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ){	TiXmlDocument* document = GetDocument();	p = SkipWhiteSpace( p, encoding );	if ( data )	{		data->Stamp( p, encoding );		location = data->Cursor();	}	if ( !p || !*p || *p != '<' )	{		if ( document ) document->SetError( TIXML_ERROR_PARSING_UNKNOWN, p, data, encoding );		return 0;	}	++p;    value = "";	while ( p && *p && *p != '>' )	{		value += *p;		++p;	}	if ( !p )	{		if ( document )	document->SetError( TIXML_ERROR_PARSING_UNKNOWN, 0, 0, encoding );	}	if ( *p == '>' )		return p+1;	return p;}#ifdef TIXML_USE_STLvoid TiXmlComment::StreamIn( std::istream * in, TIXML_STRING * tag ){	while ( in->good() )	{		int c = in->get();			if ( c <= 0 )		{			TiXmlDocument* document = GetDocument();			if ( document )				document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN );			return;		}		(*tag) += (char) c;		if ( c == '>' 			 && tag->at( tag->length() - 2 ) == '-'			 && tag->at( tag->length() - 3 ) == '-' )		{			// All is well.			return;				}	}}#endifconst char* TiXmlComment::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ){	TiXmlDocument* document = GetDocument();	value = "";	p = SkipWhiteSpace( p, encoding );	if ( data )	{		data->Stamp( p, encoding );		location = data->Cursor();	}	const char* startTag = "<!--";	const char* endTag   = "-->";	if ( !StringEqual( p, startTag, false, encoding ) )	{		document->SetError( TIXML_ERROR_PARSING_COMMENT, p, data, encoding );		return 0;	}	p += strlen( startTag );	p = ReadText( p, &value, false, endTag, false, encoding );	return p;}const char* TiXmlAttribute::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ){	p = SkipWhiteSpace( p, encoding );	if ( !p || !*p ) return 0;//	int tabsize = 4;//	if ( document )//		tabsize = document->TabSize();	if ( data )	{		data->Stamp( p, encoding );		location = data->Cursor();	}	// Read the name, the '=' and the value.	const char* pErr = p;	p = ReadName( p, &name, encoding );	if ( !p || !*p )	{		if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, pErr, data, encoding );		return 0;	}	p = SkipWhiteSpace( p, encoding );	if ( !p || !*p || *p != '=' )	{		if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding );		return 0;	}	++p;	// skip '='	p = SkipWhiteSpace( p, encoding );	if ( !p || !*p )	{		if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding );		return 0;	}		const char* end;	const char SINGLE_QUOTE = '\'';	const char DOUBLE_QUOTE = '\"';	if ( *p == SINGLE_QUOTE )	{		++p;		end = "\'";		// single quote in string		p = ReadText( p, &value, false, end, false, encoding );	}	else if ( *p == DOUBLE_QUOTE )	{		++p;		end = "\"";		// double quote in string		p = ReadText( p, &value, false, end, false, encoding );	}	else	{		// All attribute values should be in single or double quotes.		// But this is such a common error that the parser will try		// its best, even without them.		value = "";		while (    p && *p											// existence				&& !IsWhiteSpace( *p ) && *p != '\n' && *p != '\r'	// whitespace				&& *p != '/' && *p != '>' )							// tag end		{			if ( *p == SINGLE_QUOTE || *p == DOUBLE_QUOTE ) {				// [ 1451649 ] Attribute values with trailing quotes not handled correctly				// We did not have an opening quote but seem to have a 				// closing one. Give up and throw an error.				if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, p, data, encoding );				return 0;			}			value += *p;			++p;		}	}	return p;}#ifdef TIXML_USE_STLvoid TiXmlText::StreamIn( std::istream * in, TIXML_STRING * tag ){	while ( in->good() )	{		int c = in->peek();			if ( !cdata && (c == '<' ) ) 		{			return;		}		if ( c <= 0 )		{			TiXmlDocument* document = GetDocument();			if ( document )				document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN );			return;		}		(*tag) += (char) c;		in->get();	// "commits" the peek made above		if ( cdata && c == '>' && tag->size() >= 3 ) {			size_t len = tag->size();			if ( (*tag)[len-2] == ']' && (*tag)[len-3] == ']' ) {				// terminator of cdata.				return;			}		}    	}}#endifconst char* TiXmlText::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding ){	value = "";	TiXmlDocument* document = GetDocument();	if ( data )	{		data->Stamp( p, encoding );		location = data->Cursor();	}	const char* const startTag = "<![CDATA[";	const char* const endTag   = "]]>";	if ( cdata || StringEqual( p, startTag, false, encoding ) )	{		cdata = true;		if ( !StringEqual( p, startTag, false, encoding ) )		{			document->SetError( TIXML_ERROR_PARSING_CDATA, p, data, encoding );			return 0;		}		p += strlen( startTag );		// Keep all the white space, ignore the encoding, etc.		while (	   p && *p				&& !StringEqual( p, endTag, false, encoding )			  )		{			value += *p;			++p;		}		TIXML_STRING dummy; 		p = ReadText( p, &dummy, false, endTag, false, encoding );		return p;	}	else	{		bool ignoreWhite = true;		const char* end = "<";		p = ReadText( p, &value, ignoreWhite, end, false, encoding );		if ( p )			return p-1;	// don't truncate the '<'		return 0;	}}#ifdef TIXML_USE_STLvoid TiXmlDeclaration::StreamIn( std::istream * in, TIXML_STRING * tag ){	while ( in->good() )	{		int c = in->get();		if ( c <= 0 )		{			TiXmlDocument* document = GetDocument();			if ( document )				document->SetError( TIXML_ERROR_EMBEDDED_NULL, 0, 0, TIXML_ENCODING_UNKNOWN );			return;		}		(*tag) += (char) c;		if ( c == '>' )		{			// All is well.			return;		}	}}#endifconst char* TiXmlDeclaration::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding _encoding ){	p = SkipWhiteSpace( p, _encoding );	// Find the beginning, find the end, and look for	// the stuff in-between.	TiXmlDocument* document = GetDocument();	if ( !p || !*p || !StringEqual( p, "<?xml", true, _encoding ) )	{		if ( document ) document->SetError( TIXML_ERROR_PARSING_DECLARATION, 0, 0, _encoding );		return 0;	}	if ( data )	{		data->Stamp( p, _encoding );		location = data->Cursor();	}	p += 5;	version = "";	encoding = "";	standalone = "";	while ( p && *p )	{		if ( *p == '>' )		{			++p;			return p;		}		p = SkipWhiteSpace( p, _encoding );		if ( StringEqual( p, "version", true, _encoding ) )		{			TiXmlAttribute attrib;			p = attrib.Parse( p, data, _encoding );					version = attrib.Value();		}		else if ( StringEqual( p, "encoding", true, _encoding ) )		{			TiXmlAttribute attrib;			p = attrib.Parse( p, data, _encoding );					encoding = attrib.Value();		}		else if ( StringEqual( p, "standalone", true, _encoding ) )		{			TiXmlAttribute attrib;			p = attrib.Parse( p, data, _encoding );					standalone = attrib.Value();		}		else		{			// Read over whatever it is.			while( p && *p && *p != '>' && !IsWhiteSpace( *p ) )				++p;		}	}	return 0;}bool TiXmlText::Blank() const{	for ( unsigned i=0; i<value.length(); i++ )		if ( !IsWhiteSpace( value[i] ) )			return false;	return true;}