C++ TIXML_STRING::length方法代码示例

const char* TiXmlElement::Parse( const char* p, TiXmlParsingData* data, TiXmlEncoding encoding )
{
	p = SkipWhiteSpace( p, encoding );
	TiXmlDocument* document = GetDocument();

	if ( !p || !*p )
	{
		if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, 0, 0, encoding );
		return 0;
	}

	if ( data )
	{
		data->Stamp( p, encoding );
		location = data->Cursor();
	}

	if ( *p != '<' )
	{
		if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, p, data, encoding );
		return 0;
	}

	p = SkipWhiteSpace( p+1, encoding );

	// 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;

	// 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 ) {
				// We were looking for the end tag, but found nothing.
				// Fix for [ 1663758 ] Failure to report error on bad XML
				if ( document ) document->SetError( TIXML_ERROR_READING_END_TAG, p, data, encoding );
				return 0;
			}

			// We should find the end tag now
			// note that:
			// </foo > and
			// </foo> 
			// are both valid end tags.
			if ( StringEqual( p, endTag.c_str(), false, encoding ) )
			{
				p += endTag.length();
				p = SkipWhiteSpace( p, encoding );
				if ( p && *p && *p == '>' ) {
					++p;
					return p;
				}
				if ( document ) document->SetError( TIXML_ERROR_READING_END_TAG, p, data, encoding );
				return 0;
			}
			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();
//.........这里部分代码省略.........

void TiXmlBase::PutString( const TIXML_STRING& str, TIXML_STRING* outString )
{
	int i=0;

	while( i<(int)str.length() )
	{
		int c = str[i];

		if (    c == '&' 
		     && i < ( (int)str.length() - 2 )
			 && str[i+1] == '#'
			 && str[i+2] == 'x' )
		{
			// Hexadecimal character reference.
			// Pass through unchanged.
			// &#xA9;	-- copyright symbol, for example.
			while ( i<(int)str.length() )
			{
				outString->append( str.c_str() + i, 1 );
				++i;
				if ( str[i] == ';' )
					break;
			}
		}
		else if ( c == '&' )
		{
			outString->append( entity[0].str, entity[0].strLength );
			++i;
		}
		else if ( c == '<' )
		{
			outString->append( entity[1].str, entity[1].strLength );
			++i;
		}
		else if ( c == '>' )
		{
			outString->append( entity[2].str, entity[2].strLength );
			++i;
		}
		else if ( c == '\"' )
		{
			outString->append( entity[3].str, entity[3].strLength );
			++i;
		}
		else if ( c == '\'' )
		{
			outString->append( entity[4].str, entity[4].strLength );
			++i;
		}
		else if ( c < 32 || c > 126 )
		{
			// Easy pass at non-alpha/numeric/symbol
			// 127 is the delete key. Below 32 is symbolic.
			TCHAR buf[ 32 ];
			wsprintf( buf, TEXT("&#x%04X;"), (unsigned) ( c & 0xffff ) );
			outString->append( buf, lstrlen( buf ) );
			++i;
		}
		else
		{
			TCHAR realc = (TCHAR) c;
			outString->append( &realc, 1 );
			++i;
		}
	}
}

void TiXmlBase::EncodeString( const TIXML_STRING& str, TIXML_STRING* outString )
{
	int i=0;

	while( i<(int)str.length() )
	{
		unsigned char c = (unsigned char) str[i];

		if (    c == '&' 
		     && i < ( (int)str.length() - 2 )
			 && str[i+1] == '#'
			 && str[i+2] == 'x' )
		{
			// Hexadecimal character reference.
			// Pass through unchanged.
			// &#xA9;	-- copyright symbol, for example.
			//
			// The -1 is a bug fix from Rob Laveaux. It keeps
			// an overflow from happening if there is no ';'.
			// There are actually 2 ways to exit this loop -
			// while fails (error case) and break (semicolon found).
			// However, there is no mechanism (currently) for
			// this function to return an error.
			while ( i<(int)str.length()-1 )
			{
				outString->append( str.c_str() + i, 1 );
				++i;
				if ( str[i] == ';' )
					break;
			}
		}
		else if ( c == '&' )
		{
			outString->append( entity[0].str, entity[0].strLength );
			++i;
		}
		else if ( c == '<' )
		{
			outString->append( entity[1].str, entity[1].strLength );
			++i;
		}
		else if ( c == '>' )
		{
			outString->append( entity[2].str, entity[2].strLength );
			++i;
		}
		else if ( c == '\"' )
		{
			outString->append( entity[3].str, entity[3].strLength );
			++i;
		}
		else if ( c == '\'' )
		{
			outString->append( entity[4].str, entity[4].strLength );
			++i;
		}
		else if ( c < 32 )
		{
			// Easy pass at non-alpha/numeric/symbol
			// Below 32 is symbolic.
			char buf[ 32 ];
			
			#if defined(TIXML_SNPRINTF)		
				TIXML_SNPRINTF( buf, sizeof(buf), "&#x%02X;", (unsigned) ( c & 0xff ) );
			#else
				sprintf( buf, "&#x%02X;", (unsigned) ( c & 0xff ) );
			#endif		

			//*ME:	warning C4267: convert 'size_t' to 'int'
			//*ME:	Int-Cast to make compiler happy ...
			outString->append( buf, (int)strlen( buf ) );
			++i;
		}
		else
		{
			//char realc = (char) c;
			//outString->append( &realc, 1 );
			*outString += (char) c;	// somewhat more efficient function call.
			++i;
		}
	}
}

const char* TiXmlElement::Parse( const char* p )
{
	p = SkipWhiteSpace( p );
	TiXmlDocument* document = GetDocument();

	if ( !p || !*p || *p != '<' )
	{
		if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT );
		return false;
	}

	p = SkipWhiteSpace( p+1 );

	// Read the name.
    p = ReadName( p, &value );
	if ( !p || !*p )
	{
		if ( document )	document->SetError( TIXML_ERROR_FAILED_TO_READ_ELEMENT_NAME );
		return false;
	}

    TIXML_STRING endTag ("</");
	endTag += value;
	endTag += ">";

	// Check for and read attributes. Also look for an empty
	// tag or an end tag.
	while ( p && *p )
	{
		p = SkipWhiteSpace( p );
		if ( !p || !*p )
		{
			if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES );
			return 0;
		}
		if ( *p == '/' )
		{
			++p;
			// Empty tag.
			if ( *p  != '>' )
			{
				if ( document ) document->SetError( TIXML_ERROR_PARSING_EMPTY );		
				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 );		// 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 ) )
			{
				p += endTag.length();
				return p;
			}
			else
			{
				if ( document ) document->SetError( TIXML_ERROR_READING_END_TAG );
				return 0;
			}
		}
		else
		{
			// Try to read an element:
			TiXmlAttribute attrib;
			attrib.SetDocument( document );
			p = attrib.Parse( p );

			if ( !p || !*p )
			{
				if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT );
				return 0;
			}
			SetAttribute( attrib.Name(), attrib.Value() );
		}
	}
	return p;
}

const char* TiXmlElement::Parse( const char* p, TiXmlParsingData* data )
{
	p = SkipWhiteSpace( p );
	TiXmlDocument* document = GetDocument();

	if ( !p || !*p )
	{
		if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, 0, 0 );
		return 0;
	}

//	TiXmlParsingData data( p, prevData );
	if ( data )
	{
		data->Stamp( p );
		location = data->Cursor();
	}

	if ( *p != '<' )
	{
		if ( document ) document->SetError( TIXML_ERROR_PARSING_ELEMENT, p, data );
		return 0;
	}

	p = SkipWhiteSpace( p+1 );

	// Read the name.
	const char* pErr = p;

    p = ReadName( p, &value );
	if ( !p || !*p )
	{
		if ( document )	document->SetError( TIXML_ERROR_FAILED_TO_READ_ELEMENT_NAME, pErr, data );
		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 );
		if ( !p || !*p )
		{
			if ( document ) document->SetError( TIXML_ERROR_READING_ATTRIBUTES, pErr, data );
			return 0;
		}
		if ( *p == '/' )
		{
			++p;
			// Empty tag.
			if ( *p  != '>' )
			{
				if ( document ) document->SetError( TIXML_ERROR_PARSING_EMPTY, p, data );		
				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 );		// 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 ) )
			{
				p += endTag.length();
				return p;
			}
			else
			{
				if ( document ) document->SetError( TIXML_ERROR_READING_END_TAG, p, data );
				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 );
				return 0;
			}

			attrib->SetDocument( document );
			const char* pErr = p;
			p = attrib->Parse( p, data );

			if ( !p || !*p )
			{
//.........这里部分代码省略.........

void TiXmlBase::PutString( const TIXML_STRING& str, TIXML_STRING* outString )
{
	int i=0;

	while( i<(int)str.length() )
	{
		unsigned char c = (unsigned char) str[i];

		if (    c == '&' 
		     && i < ( (int)str.length() - 2 )
			 && str[i+1] == '#'
			 && str[i+2] == 'x' )
		{
			// Hexadecimal character reference.
			// Pass through unchanged.
			// &#xA9;	-- copyright symbol, for example.
			//
			// The -1 is a bug fix from Rob Laveaux. It keeps
			// an overflow from happening if there is no ';'.
			// There are actually 2 ways to exit this loop -
			// while fails (error case) and break (semicolon found).
			// However, there is no mechanism (currently) for
			// this function to return an error.
			while ( i<(int)str.length()-1 )
			{
				outString->append( str.c_str() + i, 1 );
				++i;
				if ( str[i] == ';' )
					break;
			}
		}
		else if ( c == '&' )
		{
			outString->append( entity[0].str, entity[0].strLength );
			++i;
		}
		else if ( c == '<' )
		{
			outString->append( entity[1].str, entity[1].strLength );
			++i;
		}
		else if ( c == '>' )
		{
			outString->append( entity[2].str, entity[2].strLength );
			++i;
		}
		else if ( c == '\"' )
		{
			outString->append( entity[3].str, entity[3].strLength );
			++i;
		}
		else if ( c == '\'' )
		{
			outString->append( entity[4].str, entity[4].strLength );
			++i;
		}
		else if ( c == 0x0d && ( (int)str.length() - 1 )
				 && str[i+1] == 0x0a)
		{
			// insert \n
			*outString += '\n';
			++i;
			++i;
		}
		else if (isspace (c))
		{
			// pass through unchagend
			*outString += (char) c;	// somewhat more efficient function call.
			++i;
		}
		else if (iscntrl (c)) // ( c < 32)
		{
			std::cerr << "WARNING: control character 0x"
					<< std::hex << std::setw(2) << std::setfill('0') << (unsigned)c
					<< " in text input at character "
					<< std::dec << std::setw(0) << i
					<< std::endl;
			
			++i;
		}
		else
		{
			// just pass these through, since we've
			// declared an encoding that presumably allows
			// them
			*outString += (char) c;	// somewhat more efficient function call.
			//char realc = (char) c;
			//outString->append( &realc, 1 );
			++i;
		}
	}
}

void TiXmlBase::PutString( const TIXML_STRING& str, TIXML_STRING* outString )
{
	int i=0;

	while( i<(int)str.length() )
	{
		unsigned char c = (unsigned char) str[i];

		if (    c == '&' 
		     && i < ( (int)str.length() - 2 )
			 && str[i+1] == '#'
			 && str[i+2] == 'x' )
		{
			// Hexadecimal character reference.
			// Pass through unchanged.
			// &#xA9;	-- copyright symbol, for example.
			while ( i<(int)str.length() )
			{
				outString->append( str.c_str() + i, 1 );
				++i;
				if ( str[i] == ';' )
					break;
			}
		}
		else if ( c == '&' )
		{
			outString->append( entity[0].str, entity[0].strLength );
			++i;
		}
		else if ( c == '<' )
		{
			outString->append( entity[1].str, entity[1].strLength );
			++i;
		}
		else if ( c == '>' )
		{
			outString->append( entity[2].str, entity[2].strLength );
			++i;
		}
		else if ( c == '\"' )
		{
			outString->append( entity[3].str, entity[3].strLength );
			++i;
		}
		else if ( c == '\'' )
		{
			outString->append( entity[4].str, entity[4].strLength );
			++i;
		}
		else if ( c < 32 )
		{
			// Easy pass at non-alpha/numeric/symbol
			// Below 32 is symbolic.
			char buf[ 32 ];
			sprintf( buf, "&#x%02X;", (unsigned) ( c & 0xff ) );
			outString->append( buf, strlen( buf ) );
			++i;
		}
		else
		{
			// Assume everthing else is unicode. c should never actually 
			// be out of the range of 0-255. Else something has gone strange.

			//char realc = (char) c;
			//outString->append( &realc, 1 );
			*outString += (char) c;	// somewhat more efficient function call.
			++i;
		}
	}
}

void TiXmlBase::PutString( const TIXML_STRING& str, TIXML_STRING* outString )
{
  TIXML_STRING::size_type i=0;

        while( i < static_cast<TIXML_STRING::size_type>(str.length()) )
        {
                int c = str[i];

                if (    c == '&' 
                        && i < ( static_cast<TIXML_STRING::size_type>(str.length() - 2 ))
                         && str[i+1] == '#'
                         && str[i+2] == 'x' )
                {
                        // Hexadecimal character reference.
                        // Pass through unchanged.
                        // &#xA9;       -- copyright symbol, for example.
                  while ( i<static_cast<TIXML_STRING::size_type>(str.length()) )
                        {
                                outString->append( str.c_str() + i, 1 );
                                ++i;
                                if ( str[i] == ';' )
                                        break;
                        }
                }
                else if ( c == '&' )
                {
                        outString->append( entity[0].str, entity[0].strLength );
                        ++i;
                }
                else if ( c == '<' )
                {
                        outString->append( entity[1].str, entity[1].strLength );
                        ++i;
                }
                else if ( c == '>' )
                {
                        outString->append( entity[2].str, entity[2].strLength );
                        ++i;
                }
                else if ( c == '\"' )
                {
                        outString->append( entity[3].str, entity[3].strLength );
                        ++i;
                }
                else if ( c == '\'' )
                {
                        outString->append( entity[4].str, entity[4].strLength );
                        ++i;
                }
                else if ( c < 32 || c > 126 )
                {
                        // Easy pass at non-alpha/numeric/symbol
                        // 127 is the delete key. Below 32 is symbolic.
                        char buf[ 32 ];
                        sprintf( buf, "&#x%02X;", static_cast<unsigned> ( c & 0xff ) );
                        outString->append( buf, strlen( buf ) );
                        ++i;
                }
                else
                {
                  char realc = static_cast<char>( c);
                        outString->append( &realc, 1 );
                        ++i;
                }
        }
}

// <-- Strange class for a bug fix. Search for STL_STRING_BUG
TiXmlBase::StringToBuffer::StringToBuffer( const TIXML_STRING& str )
  : buffer(new char[str.length() + 1]) {
  if ( buffer ) {
    strcpy( buffer, str.c_str() );
  }
}