/leaf/modules/css_compressor.php

<?php





	chdir('../../');

	include('leaf/run.php');





	function reducir_color( $matches ){

		

		$matches[0] = strtolower( $matches[0] );

		if( (isset( $matches[0][2] ) && ($matches[0][1] == $matches[0][2])) && (isset( $matches[0][4] ) && ($matches[0][3] == $matches[0][4])) && (isset( $matches[0][6] ) && ($matches[0][5] == $matches[0][6])) )

			return '#'.$matches[0][1].$matches[0][3].$matches[0][5];

		else

			return $matches[0];

		

	}



	$imagenes_localizadas = array();

	function localizar_imagenes( $matches ){

		

		$archivo = $matches[1].'.'.$matches[2];

		if( is_file( $archivo ))

			return 'url('.$archivo.');';

		else{

			

			global $imagenes_localizadas;

			if( empty( $imagenes_localizadas ))

				lw('finder')->regfinder( $imagenes_localizadas , '/\.(jpg|bmp|png|jpeg|gif|JPG|BMP|PNG|JPEG|GIF)$/' , 'template/' , RECURSIVE );



			return 'url(../../'.lw('finder')->getPath( basename( $archivo ) , $imagenes_localizadas , 1 ).');';

			

		}

			

	

	}



	function compress( $buffer ){

		

		$buffer = preg_replace( '/(\r\n|\r|\n|\t|\s{2,})+/' , '' , $buffer );

		

		if( lw::gi('config')->get('css','autolocate') == true ){

			

			$buffer_aux = '';



			preg_match_all( '/\/\*INI_LW\*\/\s\/\*CSS (.*?.css)\\*\/\s?(.*?)\/\*FIN_LW\*\//' , $buffer , $coincidencias );



			for( $i = 0 ; $i < count( $coincidencias[1] ) ; $i++ )

				$buffer_aux .= preg_replace_callback( '/url\s?\(\'?\"?(.*?)\.(jpg|bmp|png|jpeg|gif|JPG|BMP|PNG|JPEG|GIF)\'?\"?\)/' , "localizar_imagenes" , $coincidencias[2][$i] );

			

			

		}

		

		if( is_array( $coincidencias ) ){

		

			$buffer_aux = preg_replace_callback( '/\#([a-hA-H0-9]+)/' , "reducir_color" , $buffer_aux );

			$buffer = $buffer_aux;

		

		}else{

		

			$buffer = preg_replace_callback( '/\#([a-hA-H0-9]+)/' , "reducir_color" , $buffer );

		

		}

		

		

		$buffer = preg_replace( '/\/\*(.*?)\*\//' , '' , $buffer );

		$buffer = preg_replace('/;\s{0,}\}/','}',$buffer);

		$buffer = preg_replace('/\s{1,}\{/','{',$buffer);

		$buffer = preg_replace('/\);\s{1,}/',');',$buffer);

		$buffer = preg_replace('/\:(\s{0,})?/',':',$buffer);

		$buffer = preg_replace('/\{(\s{0,1})?/','{',$buffer);

		$buffer = preg_replace('/\;(\s{0,1})?/',';',$buffer);

		$buffer = preg_replace('/url\(\'(.*?)\'\)\s?([a-zA-Z-]+)\s?/' , "url($1)$2" , $buffer );

		$buffer = preg_replace('/\,\s{0,1}\./',',.',$buffer);

		$buffer = preg_replace('/font-weight:(\s{0,})?bold/','font-weight:700',$buffer);

		$buffer = preg_replace('/font-weight:(\s{0,})?normal/','font-weight:400',$buffer);

		$buffer = preg_replace('/\:0px/', ':0' , $buffer );

		$buffer = preg_replace('/(px 0px)/', 'px 0' , $buffer );

		$buffer = preg_replace('/rgba\((\s?)+([0-9]+)(\s?)+\,(\s?)+([0-9]+)(\s?)+\,(\s?)+([0-9]+)(\s?)+\,(\s?)+([0-9]+)\.([0-9])+(\s?)+\)/',"rgba($2,$5,$8,$11.$12)",$buffer);

		$buffer = preg_replace('/\?/','',utf8_decode($buffer));

		

		return $buffer;



	}



	$revalidar = 60*60;

	$expire = 'expires: '.gmdate( 'D, d M Y H:i:s' , time()+$revalidar ) . ' GMT';	

	

	header('Content-type: text/css');

	//header('cache-control: must-revalidate');

	//header( $expire );

	

	ob_start('compress');

	

	

	

	$dir = lw::gi('config')->get('css','dir');

	$files = array_unique( lw('finder')->regfinder( $buscar , '/\.css$/' , $dir , RECURSIVE ));	

	

	$lista = lw('config')->get('css','list');

	if( lw('config')->get('css','autolocate') == true ) $lista[] .= '.dont_remove';

	

	for( $x = 0 ; $x < count( $lista ) ; $x++ ){

	

		$archivo_css = $lista[$x];

		$path = preg_replace( '/\/\//' , '/' , lw('finder')->getPath( $archivo_css.'.css' , $buscar , 1 ));

		

		if( $path != 'null' ){

			

			echo '/*INI_LW*/ /*CSS '.$path.'*/';

			include( $path );

			echo '/*FIN_LW*/';

		}

	}

	

	ob_end_flush();

	

?>