Method PeekDelimitedStringLength

src/tier1/utlbuffer.cpp:523–566

----------------------------------------------------------------------------- This version of PeekStringLength converts \" to \\ and " to \, etc. It also reads a " at the beginning and end of the string -----------------------------------------------------------------------------

// It also reads a " at the beginning and end of the string
//-----------------------------------------------------------------------------
int CUtlBuffer::PeekDelimitedStringLength( CUtlCharConversion *pConv, bool bActualSize )
{
	if ( !IsText() || !pConv )
		return PeekStringLength();

	// Eat preceding whitespace
	int nOffset = 0;
	if ( IsText() )
	{
		nOffset = PeekWhiteSpace( nOffset );
	}

	if ( !PeekStringMatch( nOffset, pConv->GetDelimiter(), pConv->GetDelimiterLength() ) )
		return 0;

	// Try to read ending ", but don't accept \"
	int nActualStart = nOffset;
	nOffset += pConv->GetDelimiterLength();
	int nLen = 1;	// Starts at 1 for the '\0' termination

	do
	{
		if ( PeekStringMatch( nOffset, pConv->GetDelimiter(), pConv->GetDelimiterLength() ) )
			break;

		if ( !CheckPeekGet( nOffset, 1 ) )
			break;

		char c = *(const char*)PeekGet( nOffset );
		++nLen;
		++nOffset;
		if ( c == pConv->GetEscapeChar() )
		{
			int nLength = pConv->MaxConversionLength();
			if ( !CheckArbitraryPeekGet( nOffset, nLength ) )
				break;

			pConv->FindConversion( (const char*)PeekGet(nOffset), &nLength );
			nOffset += nLength;
		}
	}  while (true);

	return bActualSize ? nLen : nOffset - nActualStart + pConv->GetDelimiterLength() + 1;
}


//-----------------------------------------------------------------------------