Method GetToken

src/tier1/utlbuffer.cpp:1105–1144

----------------------------------------------------------------------------- Advance the get index until after the particular string is found Do not eat whitespace before starting. Return false if it failed -----------------------------------------------------------------------------

// Do not eat whitespace before starting. Return false if it failed
//-----------------------------------------------------------------------------
bool CUtlBuffer::GetToken( const char *pToken )
{
	Assert( pToken );

	// Look for the token
	int nLen = V_strlen( pToken );

	int nSizeToCheck = SizeAllocated() - TellGet();

	int nGet = TellGet();
	do
	{
		int nMaxSize = TellMaxPut() - TellGet();
		if ( nMaxSize < nSizeToCheck )
		{
			nSizeToCheck = nMaxSize;
		}
		if ( nLen > nSizeToCheck )
			break;

		if ( !CheckPeekGet( 0, nSizeToCheck ) )
			break;

		const char *pBufStart = (const char*)PeekGet();
		const char *pFoundEnd = V_strnistr( pBufStart, pToken, nSizeToCheck );
		if ( pFoundEnd )
		{
			size_t nOffset = (size_t)pFoundEnd - (size_t)pBufStart;
			SeekGet( CUtlBuffer::SEEK_CURRENT, static_cast<int>( nOffset + nLen ) );
			return true;
		}

		SeekGet( CUtlBuffer::SEEK_CURRENT, nSizeToCheck - nLen + 1);
		nSizeToCheck = SizeAllocated() - nLen + 1;

	} while ( true );

	SeekGet( CUtlBuffer::SEEK_HEAD, nGet );
	return false;
}


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