<?
/**
* Jonas Turevicius (jonas@e-reklama.lt); ERC; 2003-05-29
* configParserClass.
* Parses configuration file and makes constant out of variables.
* Change log :
*	2003-06-20 :
*   + added makeArray() - parses file and returns array (Domas Juknevicius)
* 
**/


class configParserClass{
	var $variables; // Array of variables
	var $variables_count; // count($variables)
	var $config_file_handle; // configuration file handle  
	var $config_file_name; //configuration file name
	
	
	/**
	* Contructor. If $file_url is supplied , that file will be opened.
    	* @param string $file_url - url of configuration file (optional)
	*/
	function configParserClass($file_url=""){
		$this->variables = NULL;
		$this->variables_count = 0;
		if ($file_url==""){
			$this->config_file_name= NULL;
			$this->config_file_handle = NULL;
		}
		else{
			$this->openConfigFile($file_url);
			$this->config_file_name=$file_url;
		}
	}
	
	/**
	* Opens configuration file. 
	* $file_url must by supplied if it wasn't supplied before (in constructor or in earlier call if this method)
	* @param string $file_url - url of configuration file.
	* @return - true/false
	*/
	
	function openConfigFile($file_url=""){
		if($file_url==""){
			$file_url = $this->config_file_name;
		}
		if($file_url){
			$F = fopen($file_url, "r") or die("configParserClass (file '".__FILE__."'; line ".__LINE__."):: Nepavyko atidaryti failo '$file_url'");
			$this->config_file_handle = $F;
			$this->config_file_name=$file_url;
			return true;
		}
		else{
			die("configParserClass (file '".__FILE__."'; line ".__LINE__."):: Nezinomas failo vardas");
		}
		return false;
	}
	
	/*
	* Returns all variables from configuration file.
	* @return - Array with variables: [var_name]=var_value
	*/
	function getAllVariables(){
		if($this->variables == NULL)
			$this->readVariables();
		return $this->variables;
	}

	/*
	* Closes configuration file.
	* @return - true on success.
	*/
	function closeConfigFile(){
		if($this->config_file_handle){
			fclose($this->config_file_handle) or die("configParserClass (file '".__FILE__."'; line ".__LINE__."):: Nepavyko u�daryti failo");
			$this->config_file_handle = NULL;
			return true;
		}
	}
	
	
	/*
	* Reads variables from configuration file.
	* @return - frue/false
	*/
	function readVariables(){
		if(!$this->config_file_handle)
			$this->openConfigFile();
		
		$this->variables = Array();
		while (!feof ($this->config_file_handle)) {
			$buffer = fgets($this->config_file_handle, 200);
			if(preg_match("/\s*[$]{1}([_a-zA-Z][_a-zA-Z0-9]*)\s=\s\"?([^\"]+)\"?\s*;(.*)/", $buffer, $vars)){
				$this->variables[$vars[1]] =$vars[2];
				$this->variables_coment[$vars[1]] =$vars[3];
			}
		}
		$this->variables_count = count($this->variables);
		return true;
	}
	
	/*
	* Makes constants from variables
	* @return - true/false
	*/
	function parseConfig(){
		if(!$this->variables_count)
			$this->readVariables();
		foreach ($this->variables AS $name=>$value){
			eval("define('".$name."','".addslashes($value)."');");
		}
		$this->closeConfigFile();
		return true;
	}
	/**
	 * parses file and returns array
	 * @param $file - full path to config file
	 * @return array
	**/
	function makeArray( $file ){
		$this->openConfigFile($file);
		$this->readVariables();
		return $this->getAllVariables();
	}
	/**
	 * class ends
	**/
}
?>
unable to find init config file or config parser class