Loader.class.php

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<?php
/*
 * Loader it is the class resposanble to controls the load of the files
 * @package loader
 */

class Loader
{
    protected static $objInstance;

    protected $booExternal = false;

    protected $arrFiles = array();

    protected $strClassContent = '';
    
    public static function getInstance()
    {
        if( self::$objInstance == null )
        {
            self::$objInstance = new Loader();
        }
        return self::$objInstance;
    }

    public function setExternal( $booExternal )
    {
        $this->booExternal = $booExternal;
    }

    public function getExternal()
    {
        return $this->booExternal;
    }

    public static function requireOnce( $strFile , $booIsClass = false )
    {
//        print $strFile . '<br/>' . "\n";
        $arrBackTrace = debug_backtrace();
        $arrCaller = $arrBackTrace[0];
        $strFileCaller = $arrCaller[ 'file' ];
        $strPathCaller = CorujaFileManipulation::getPathOfFile( $strFileCaller  );

        if( CorujaFileManipulation::isRelativePath( $strFile ) )
        {
            $strFullPathFile = $strPathCaller . $strFile;
        }
        else
        {
            $strFullPathFile = $strFile;
        }

        if( $booIsClass && self::getInstance()->getExternal() )
        {
             self::getInstance()->show( $strFullPathFile );
        }
        
        require_once( $strFullPathFile );
    }

    public function show( $strFullPathFile )
    {
        if( !in_array( $strFullPathFile , $this->arrFiles ) )
        {
            $this->arrFiles[] = $strFullPathFile;
            $this->strClassContent .= file_get_contents( $strFullPathFile );
        }
    }

    public function getClassContent()
    {
        return $this->strClassContent;
    }
}
?>