C++ TiXmlDocumentA类代码示例

const char* TiXmlCommentA::Parse( const char* p, TiXmlParsingDataA* data )
{
	TiXmlDocumentA* document = GetDocument();
	value = "";

	p = SkipWhiteSpace( p );

//	TiXmlParsingDataA data( p, prevData );
	if ( data )
	{
		data->Stamp( p );
		location = data->Cursor();
	}
	const char* startTag = "<!--";
	const char* endTag   = "-->";

	if ( !StringEqual( p, startTag, false ) )
	{
		document->SetError( TIXMLA_ERROR_PARSING_COMMENT, p, data );
		return 0;
	}
	p += strlen( startTag );
	p = ReadText( p, &value, false, endTag, false );
	return p;
}

const char* TiXmlElementA::ReadValue( const char* p, TiXmlParsingDataA* data )
{
	TiXmlDocumentA* document = GetDocument();

	// Read in text and elements in any order.
	p = SkipWhiteSpace( p );
	while ( p && *p )
	{
		if ( *p != '<' )
		{
			// Take what we have, make a text element.
			TiXmlTextA* textNode = new TiXmlTextA( "" );

			if ( !textNode )
			{
				if ( document )
				{
					document->SetError( TIXMLA_ERROR_OUT_OF_MEMORY, 0, 0 );
				}
				return 0;
			}

			p = textNode->Parse( p, data );

			if ( !textNode->Blank() )
				LinkEndChild( textNode );
			else
				delete textNode;
		}
		else
		{
			// We hit a '<'
			// Have we hit a new element or an end tag?
			if ( StringEqual( p, "</", false ) )
			{
				return p;
			}
			else
			{
				TiXmlNodeA* node = Identify( p );
				if ( node )
				{
					p = node->Parse( p, data );
					LinkEndChild( node );
				}
				else
				{
					return 0;
				}
			}
		}
		p = SkipWhiteSpace( p );
	}

	if ( !p )
	{
		if ( document ) document->SetError( TIXMLA_ERROR_READING_ELEMENT_VALUE, 0, 0 );
	}
	return p;
}

const char* TiXmlDeclarationA::Parse( const char* p, TiXmlParsingDataA* data )
{
	p = SkipWhiteSpace( p );
	// Find the beginning, find the end, and look for
	// the stuff in-between.
	TiXmlDocumentA* document = GetDocument();
	if ( !p || !*p || !StringEqual( p, "<?xml", true ) )
	{
		if ( document ) document->SetError( TIXMLA_ERROR_PARSING_DECLARATION, 0, 0 );
		return 0;
	}
//	TiXmlParsingDataA data( p, prevData );
	if ( data )
	{
		data->Stamp( p );
		location = data->Cursor();
	}
	p += 5;

	version = "";
	encoding = "";
	standalone = "";

	while ( p && *p )
	{
		if ( *p == '>' )
		{
			++p;
			return p;
		}

		p = SkipWhiteSpace( p );
		if ( StringEqual( p, "version", true ) )
		{
			TiXmlAttributeA attrib;
			p = attrib.Parse( p, data );		
			version = attrib.Value();
		}
		else if ( StringEqual( p, "encoding", true ) )
		{
			TiXmlAttributeA attrib;
			p = attrib.Parse( p, data );		
			encoding = attrib.Value();
		}
		else if ( StringEqual( p, "standalone", true ) )
		{
			TiXmlAttributeA attrib;
			p = attrib.Parse( p, data );		
			standalone = attrib.Value();
		}
		else
		{
			// Read over whatever it is.
			while( p && *p && *p != '>' && !isspace( *p ) )
				++p;
		}
	}
	return 0;
}

TiXmlNodeA* TiXmlDocumentA::Clone() const
{
	TiXmlDocumentA* clone = new TiXmlDocumentA();
	if ( !clone )
		return 0;

	CopyToClone( clone );
	clone->error = error;
	clone->errorDesc = errorDesc.c_str ();

	for ( TiXmlNodeA* node = firstChild; node; node = node->NextSibling() )
	{
		clone->LinkEndChild( node->Clone() );
	}
	return clone;
}

void TiXmlElementA::SetAttribute( const char * name, const char * _value )
{
	TiXmlAttributeA* node = attributeSet.Find( name );
	if ( node )
	{
		node->SetValue( _value );
		return;
	}

	TiXmlAttributeA* attrib = new TiXmlAttributeA( name, _value );
	if ( attrib )
	{
		attributeSet.Add( attrib );
	}
	else
	{
		TiXmlDocumentA* document = GetDocument();
		if ( document ) document->SetError( TIXMLA_ERROR_OUT_OF_MEMORY, 0, 0 );
	}
}