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<?php
define('FILE_NOT_FOUND', 'Soubor "%s" nenalezen.');
class FileStream
{
private $Handle;
private $FileName;
function __construct()
{
$this->Handle = false;
}
function __destruct()
{
if ($this->Handle)
fclose($this->Handle);
}
public function OpenFile($FileName)
{
$this->FileName = $FileName;
$this->CloseFile();
$this->Handle = fopen($FileName, 'rb');
if (!$this->Handle) die(str_replace('%s', $FileName, FILE_NOT_FOUND));
}
public function CreateFile($FileName)
{
$this->FileName = $FileName;
$this->CloseFile();
$this->Handle = fopen($FileName, 'wb+');
if (!$this->Handle) die(str_replace('%s', $FileName, FILE_NOT_FOUND));
}
public function CloseFile()
{
if ($this->Handle)
fclose($this->Handle);
}
public function ReadBlock($Count)
{
return fread($this->Handle, $Count);
}
public function ReadByte()
{
return fread($this->Handle, 1);
}
public function ReadUint()
{
$val = unpack('V*', fread($this->Handle, 4));
return $val[1];
}
public function ReadInt()
{
$val = unpack('I*', fread($this->Handle, 4));
return $val[1];
}
public function ReadFloat()
{
$val = unpack('f*', fread($this->Handle, 4));
return $val[1];
}
public function ReadChar()
{
return fread($this->Handle, 1);
}
public function ReadLine()
{
return fgets($this->Handle);
}
public function ReadTextLine()
{
return fgets($this->Handle);
}
public function WriteBlock($Value, $Count)
{
fwrite($this->Handle, $Value, $Count);
}
public function WriteByte($Value)
{
fwrite($this->Handle, pack('C*', $Value), 1);
}
public function WriteUint($Value)
{
fwrite($this->Handle, pack('V*', $Value), 4);
}
public function WriteInt($Value)
{
fwrite($this->Handle, pack('I*', $Value), 4);
}
public function WriteFloat($Value)
{
fwrite($this->Handle, pack('f*', $Value), 4);
}
public function WriteChar($Value)
{
fwrite($this->Handle, $Value, 1);
}
public function WriteString($Value)
{
fwrite($this->Handle, $Value);
}
public function WriteLine($Value)
{
fputs($this->Handle, $Value);
}
public function SetPosition($Position)
{
fseek($this->Handle, $Position, SEEK_SET);
}
public function GetPosition()
{
return ftell($this->Handle);
}
public function GetSize()
{
return filesize($this->FileName);
}
public function SetSize($Size)
{
return ftruncate($this->Handle, $Size);
}
public function EOF()
{
return feof($this->Handle);
}
}
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