maintenance/findhooks.php

   1 <?php
   2 /**
   3  * Simple script that try to find documented hook and hooks actually
   4  * in the code and show what's missing.
   5  *
   6  * This script assumes that:
   7  * - hooks names in hooks.txt are at the beginning of a line and single quoted.
   8  * - hooks names in code are the first parameter of wfRunHooks.
   9  *
  10  * @addtogroup Maintenance
  11  *
  12  * @author Ashar Voultoiz <hashar@altern.org>
  13  * @copyright Copyright © Ashar voultoiz
  14  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public Licence 2.0 or later
  15  */
  16
  17 /** This is a command line script*/
  18 include('commandLine.inc');
  19
  20
  21 # GLOBALS
  22
  23 $doc = $IP . '/docs/hooks.txt';
  24 $pathinc = $IP . '/includes/';
  25
  26
  27 # FUNCTIONS
  28
  29 /**
  30  * @return array of documented hooks
  31  */
  32 function getHooksFromDoc() {
  33         global $doc;
  34         $content = file_get_contents( $doc );
  35         $m = array();
  36         preg_match_all( "/\n'(.*?)'/", $content, $m);
  37         return $m[1];
  38 }
  39
  40 /**
  41  * Get hooks from a php file
  42  * @param $file Full filename to the PHP file.
  43  * @return array of hooks found.
  44  */
  45 function getHooksFromFile( $file ) {
  46         $content = file_get_contents( $file );
  47         $m = array();
  48         preg_match_all( "/wfRunHooks\(\s*\'(.*?)\'/", $content, $m);
  49         return $m[1];
  50 }
  51
  52 /**
  53  * Get hooks from the source code.
  54  * @param $path Directory where the include files can be found
  55  * @return array of hooks found.
  56  */
  57 function getHooksFromPath( $path ) {
  58         $hooks = array();
  59         if( $dh = opendir($path) ) {
  60                 while(($file = readdir($dh)) !== false) {
  61                         if( filetype($path.$file) == 'file' ) {
  62                                 $hooks = array_merge( $hooks, getHooksFromFile($path.$file) );
  63                         }
  64                 }
  65                 closedir($dh);
  66         }
  67         return $hooks;
  68 }
  69
  70 /**
  71  * Nicely output the array
  72  * @param $msg A message to show before the value
  73  * @param $arr An array
  74  * @param $sort Boolean : wheter to sort the array (Default: true)
  75  */
  76 function printArray( $msg, $arr, $sort = true ) {
  77         if($sort) asort($arr);
  78         foreach($arr as $v) print "$msg: $v\n";
  79 }
  80
  81
  82 # MAIN
  83
  84 $documented = getHooksFromDoc($doc);
  85 $potential = getHooksFromPath($pathinc);
  86
  87 $todo = array_diff($potential, $documented);
  88 $deprecated = array_diff($documented, $potential);
  89
  90 // let's show the results:
  91 printArray('undocumented', $todo );
  92 printArray('not found', $deprecated );
  93
  94 ?>