/plugin_cssUtils/cssUtilSrvr.php

<?php

/* This file is part of a copyrighted work; it is distributed with NO WARRANTY.

 * See the file COPYRIGHT.html for more details.

 */



  require_once("../shared/common.php");

	//print_r($_REQUEST);echo "<br />";



	function getClassList() {

		$lines = file("../themes/default/style.css");

		$classes = [];

		foreach ($lines as $lineNum => $line) {

			preg_match('/((\D|\A)\.)(\w+)([\s,])/', $line,$grp);

			if (isset($grp[2])) {

				$classes[($lineNum)+1] = $grp[3];

			}

		}

		return $classes;

	}



	function moduleList () {

		$handl = opendir("..");

		while (false !== ($file = readdir($handl))) {

		  if ($file != '.' && $file != '..') {

				if ((is_dir('../'.$file)) && 

						(substr($file,0,1) != '.') && 

						($file != 'images') && 

						($file != 'font') && 

						($file != 'photos')

					 ) {

					$mods[] = $file;

				}

			}

		}

		closedir($handl);

		sort($mods,SORT_LOCALE_STRING);

		return $mods;

	};

	function array_flat($array) {

		$tmp = [];

	  foreach($array as $a) {

	    if(is_array($a)) {

	      $tmp = array_merge($tmp, array_flat($a));

	    } else {

      	$tmp[] = $a;

    	}

  	}

  	return $tmp;

	}

	function getFileList($dir) {

  	$files = array();

  	if ($handle = opendir($dir)) {

    	while (false !== ($file = readdir($handle))) {

      	if ($file != "." && $file != ".." && 

						$file != 'sql' && 

						$file != 'legacy' && 

						$file != 'defs' &&

						$file != 'themes') {

          if(is_dir($dir.'/'.$file)) {

          	$dir2 = $dir.'/'.$file;

          	$files[] = getFileList($dir2);

          } else {

          	$aFile = $dir.'/'.$file;

            $files[] = $aFile;

          }

        }

    	}

    	closedir($handle);

  	}

  	return array_flat($files);

	}



	switch ($_REQUEST['mode']){

	  case 'ck4CssUnused':

			## collct all 'class' selectors in CSS file

			$classes = getClassList();

			echo "there are ".count($classes)." class selectors in the CSS file.";

			## create array of classes with empty values;

			foreach ($classes as $lineNmbr=>$className) {

				$cList[$className] = $lineNmbr;

			}



	  	$modules = moduleList();

	  	$found = [];

			foreach ($modules as $module) {

				$files = getFileList('../'.$module);

				foreach ($files as $file) {

					## capture file suffixfor later use

					$ext = substr($file,-6);

			  	$lines = file("../$module/$file");

			  	foreach ($lines as $lineNum => $line) {

						if ($ext != 'Js.php') {

							preg_match_all('/(class=")(\w(?<!\d)[\w\'-]*)(["])/',$line,$out, PREG_PATTERN_ORDER);

						} else {

							preg_match_all('/(\$\([\"\']\.)(.*?)([\"\'])/',$line,$out, PREG_PATTERN_ORDER);

//print_r($out);echo"<br />";

						}

						foreach ($out[2] as $key) {

							if ((substr($key,-3) == 'Btn') || (substr($key,-4) == 'Btns')) continue;

							if ((substr($key,0,3) == "'.$") || (substr($key,0,3) == "'.H")) continue;

							if (isset($found[$key])) {

								continue;

							} elseif (isset($cList[$key])) {

								$found[$key] = array('note'=>'Used');

							} else {

//echo "$key<br />";

								$found[$key] = array('note'=>'Missing','file'=>$file,'lineNum'=>($lineNum+1));

							}

						}

				  }

				}

			}

			if (count($cList) == count($found)) {

				echo T("All css class entries are being used.");

			}

			echo "<p>The following are not being used and may possibly be removed.</p>";

			foreach ($cList as $className=>$lineNmbr) {

				if ($found[$className]['note'] == 'used') {

					continue;

				} else {

					echo "$className on $lineNmbr<br />";

				}

			}

			echo "<p>The following classes assigned to html elements are not defined in the CSS file.</p>";

			foreach ($found as $className=>$data) {

			  if ($data['note'] == 'Missing') echo "$className at line ".$data['lineNum']." of file ".$data['file']."<br />";

			}

//print_r($found);echo "<br />";

			break;

			

		default:

		  echo "<h4>".T("invalid mode").": &gt;$_REQUEST[mode]&lt;</h4><br />";

		break;

	}



?>