<?

class config_manager
{
	var $confarr = array();
	var $filename;

	function config_manager($filename)
	{
		$this->filename = $filename;
		$fp = fopen($filename, "r");
		$buf = fread($fp, filesize($filename));
		$this->parsebuf($buf);
	}

	function parsebuf($buf)
	{
		$lines = split("\n", $buf);
		while ($line = array_shift($lines))
		{
			$kvp = split("=", $line);
			array_push($this->confarr, $kvp);
		}
	}

	function find_param($name)
	{
		for ($i = 0; $i < count($this->confarr); $i++)
		{
			if ($this->confarr[$i][0] == $name)
			{
				return $i;
			}
		}
		return -1;
	}

	function get_param($name)
	{
		return ($this->confarr[$this->find_param($name)][1]);
	}

	function set_param($name, $value)
	{
		$this->confarr[$this->find_param($name)][1] = $value;
	}

	function write_config($filename = "")
	{
		if ($filename == "")
			$filename = $this->filename;

		$fp = fopen($filename, "w");
		while ($kvp = array_shift($this->confarr))
		{
			fwrite($fp, join("=", $kvp) . "\n");
		}
	}
}

?>