<?PHP
/**
 * patConfiguration writer for PHP files
 *
 * used by the patConfiguration object to write PHP config files
 *
 * $Id: PHP.php,v 1.1 2004/02/29 16:56:46 schst Exp $
 *	
 * @package		patConfiguration
 * @subpackage	Writer
 * @author		Stephan Schmidt <schst@php-tools.net>
 */

/**
 * patConfiguration writer for PHP files
 *
 * used by the patConfiguration object to write PHP config files
 *
 * $Id: PHP.php,v 1.1 2004/02/29 16:56:46 schst Exp $
 *	
 * @package		patConfiguration
 * @subpackage	Writer
 * @author		Stephan Schmidt <schst@php-tools.net>
 */
class patConfiguration_Writer_PHP extends patConfiguration_Writer
{
	
   /**
	* create a php representation of the current config
	*
	* @access	public
	* @param	array	$config		config to serialize
	* @param	array	$options	options for the serialization
	* @return	string	$content		php representation
	*/
	function	serializeConfig( $config, $options )
	{
		$varname			=	isset( $options["varname"] ) ? $options["varname"] : "config";

		ksort( $config );
		reset( $config );

		$php		=	"<?PHP\n/**\n * Configuration generated by patConfiguration v".$this->configObj->systemVars["appVersion"]."\n";
		$php		.=	" * (c) ".implode( ",", $this->configObj->systemVars["author"] )."\n";
		$php		.=	" * download at http://www.php-tools.net\n";
		$php		.=	" * generated on " . date( "Y-m-d H:i:s", time() ) . "\n";
		$php		.=	" */\n\n";
		
		$php		.=	"\$".$varname." = array();\n";
		
		while( list( $key, $value ) = each( $config ) )
		{
			$php	.=	$this->getPHPConfigLine( "\$".$varname."[\"".$key."\"]", $value );
		}

		$php		.=	"?>";
		return	$php;
	}

   /**
	* build one line in the php config file
	*
	* @access	private
	* @param	string	$prefix		variable name and array index
	* @param	mixed	$value		value of the config option
	* @return	string	$line		on line of php code
	*/
	function	getPHPConfigLine( $prefix, $value )
	{
		if( is_bool( $value ) )
			$value			=	$value ? "true" : "false";
		elseif( is_string( $value ) )
			$value			=	"\"".addslashes( $value )."\"";

		if( is_array( $value ) )
		{
			$line		=	$prefix." = array();\n";;
			reset( $value );
			while( list( $key, $val ) = each( $value ) )
			{
				if( !is_int( $key ) )
					$key	=	"\"".$key."\"";
				$line	.=	$this->getPHPConfigLine( $prefix."[".$key."]", $val );
			}
			return	$line;
		}
		else
			return	$prefix." = ".$value.";\n";
	}
}
?>