Separater classess into their own files

SourceQuery/Buffer.class.php

@@ -0,0 +1,170 @@
+<?php
+class SourceQueryBuffer
+{
+	/**
+	 * Buffer
+	 * 
+	 * @var string
+	 */
+	private $Buffer;
+	
+	/**
+	 * Buffer length
+	 * 
+	 * @var int
+	 */
+	private $Length;
+	
+	/**
+	 * Current position in buffer
+	 * 
+	 * @var int
+	 */
+	private $Position;
+	
+	/**
+	 * Sets buffer
+	 *
+	 * @param string $Buffer Buffer
+	 */
+	public function Set( $Buffer )
+	{
+		$this->Buffer   = $Buffer;
+		$this->Length   = StrLen( $Buffer );
+		$this->Position = 0;
+	}
+	
+	/**
+	 * Resets buffer
+	 */
+	public function Reset( )
+	{
+		$this->Buffer   = "";
+		$this->Length   = 0;
+		$this->Position = 0;
+	}
+	
+	/**
+	 * Get remaining bytes
+	 *
+	 * @return int Remaining bytes in buffer
+	 */
+	public function Remaining( )
+	{
+		return $this->Length - $this->Position;
+	}
+	
+	/**
+	 * Gets data from buffer
+	 *
+	 * @param int $Length Bytes to read
+	 *
+	 * @return string
+	 */
+	public function Get( $Length = -1 )
+	{
+		if( $Length == 0 )
+		{
+			// Why even bother
+			return "";
+		}
+		
+		$Remaining = $this->Remaining( );
+		
+		if( $Length == -1 )
+		{
+			$Length = $Remaining;
+		}
+		else if( $Length > $Remaining )
+		{
+			return "";
+		}
+		
+		$Data = SubStr( $this->Buffer, $this->Position, $Length );
+		
+		$this->Position += $Length;
+		
+		return $Data;
+	}
+	
+	/**
+	 * Get byte from buffer
+	 *
+	 * @return int
+	 */
+	public function GetByte( )
+	{
+		return Ord( $this->Get( 1 ) );
+	}
+	
+	/**
+	 * Get short from buffer
+	 *
+	 * @return int
+	 */
+	public function GetShort( )
+	{
+		$Data = UnPack( 'v', $this->Get( 2 ) );
+		
+		return $Data[ 1 ];
+	}
+	
+	/**
+	 * Get long from buffer
+	 *
+	 * @return int
+	 */
+	public function GetLong( )
+	{
+		$Data = UnPack( 'l', $this->Get( 4 ) );
+		
+		return $Data[ 1 ];
+	}
+	
+	/**
+	 * Get float from buffer
+	 *
+	 * @return float
+	 */
+	public function GetFloat( )
+	{
+		$Data = UnPack( 'f', $this->Get( 4 ) );
+		
+		return $Data[ 1 ];
+	}
+	
+	/**
+	 * Get unsigned long from buffer
+	 *
+	 * @return int
+	 */
+	public function GetUnsignedLong( )
+	{
+		$Data = UnPack( 'V', $this->Get( 4 ) );
+		
+		return $Data[ 1 ];
+	}
+	
+	/**
+	 * Read one string from buffer ending with null byte
+	 *
+	 * @return string
+	 */
+	public function GetString( )
+	{
+		$ZeroBytePosition = StrPos( $this->Buffer, "\0", $this->Position );
+		
+		if( $ZeroBytePosition === false )
+		{
+			$String = "";
+		}
+		else
+		{
+			$String = $this->Get( $ZeroBytePosition - $this->Position );
+			
+			$this->Position++;
+		}
+		
+		return $String;
+	}
+}