<?php
namespace ConfigReader;
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#×÷Õß£ºxcc
#ÅäÖÃÎÄ¼þ¶ÁÈ¡Æ÷
Class ConfigReader
{
	private $m_sErrInfo;
	private $m_sFile;
	private $m_CfgArry;

	function __construct($file)
	{
		$this->m_sFile = $file;
		$this->m_sErrInfo = "No Err!";
		$this->m_CfgArry=false;
	}

	//¶ÁÈ¡ÅäÖÃÎÄ¼þ
	function load () 
	{
		if (file_exists($this->m_sFile) == false) 
		{
			$this->m_sErrInfo = "Not Exit File:".$this->m_sFile;
			return false;
		}
		$this->m_CfgArry = parse_ini_file ($this->m_sFile, true);
		
		if( $this->m_CfgArry==false )
		{
			$this->m_sErrInfo="parse ini file:".$this->m_sFile." error!";
			return false;
		}
		return true;
	}
	
	//ÅÐ¶ÏÊÇ·ñÓÐÖ¸¶¨Section´æÔÚ
	function IsSectionExist( $strSection )
	{
		if( $this->m_CfgArry==false )
		{
			return false;
		}
		
		return array_key_exists( $strSection , $this->m_CfgArry );
	}
	
	//»ñÈ¡Ö¸¶¨sectionºÍidentËùÖ¸ÏòµÄÊý¾Ý£¬Èç¹û²»´æÔÚ£¬Ôòµ÷ÓÃGetErrInfo()»ñÈ¡´íÎóÐÅÏ¢
	public function GetData($section, $ident, &$ret)
	{
		$ret = "";
		if (array_key_exists($section, $this->m_CfgArry))
		{
			if (array_key_exists($ident, $this->m_CfgArry[$section]))
			{
				$ret = $this->m_CfgArry[$section][$ident];
			}
			else 
			{
				$this->m_sErrInfo = "ConfigFile:".$this->m_sFile." Can't Find ident:".$ident." in section:".$section;
				return false;
			}
		}
		else
		{
			$this->m_sErrInfo =  "ConfigFile:".$this->m_sFile." Can't Find section:".$section;
			return false;
		}
		return true;
	}
	
	public function GetErrInfo()
	{
		return $this->m_sErrInfo;
	}
}

?>