maintenance/rename-config.php

   1 #!/usr/bin/php
   2 <?php
   3
   4 chdir(dirname(__FILE__));
   5 require_once 'common.php';
   6 require_once '../library/HTMLPurifier.auto.php';
   7 assertCli();
   8
   9 /**
  10  * @file
  11  * Renames a configuration directive.  This involves renaming the file,
  12  * adding an alias, and then regenerating the cache.  You still have to
  13  * manually go through and fix any calls to the directive.
  14  * @warning This script doesn't handle multi-stringhash files.
  15  */
  16
  17 $argv = $_SERVER['argv'];
  18 if (count($argv) < 3) {
  19     echo "Usage: {$argv[0]} OldName NewName\n";
  20     exit(1);
  21 }
  22
  23 chdir('../library/HTMLPurifier/ConfigSchema/schema');
  24
  25 $old = $argv[1];
  26 $new = $argv[2];
  27
  28 if (!file_exists("$old.txt")) {
  29     echo "Cannot move undefined configuration directive $old\n";
  30     exit(1);
  31 }
  32
  33 if ($old === $new) {
  34     echo "Attempting to move to self, aborting\n";
  35     exit(1);
  36 }
  37
  38 if (file_exists("$new.txt")) {
  39     echo "Cannot move to already defined directive $new\n";
  40     exit(1);
  41 }
  42
  43 $file = "$old.txt";
  44 $builder = new HTMLPurifier_ConfigSchema_InterchangeBuilder();
  45 $interchange = new HTMLPurifier_ConfigSchema_Interchange();
  46 $builder->buildFile($interchange, $file);
  47 $contents = file_get_contents($file);
  48
  49 if (strpos($contents, "\r\n") !== false) {
  50     $nl = "\r\n";
  51 } elseif (strpos($contents, "\r") !== false) {
  52     $nl = "\r";
  53 } else {
  54     $nl = "\n";
  55 }
  56
  57 // replace name with new name
  58 $contents = str_replace($old, $new, $contents);
  59
  60 if ($interchange->directives[$old]->aliases) {
  61     $pos_alias = strpos($contents, 'ALIASES:');
  62     $pos_ins = strpos($contents, $nl, $pos_alias);
  63     if ($pos_ins === false) $pos_ins = strlen($contents);
  64     $contents =
  65         substr($contents, 0, $pos_ins) . ", $old" . substr($contents, $pos_ins);
  66     file_put_contents($file, $contents);
  67 } else {
  68     $lines = explode($nl, $contents);
  69     $insert = false;
  70     foreach ($lines as $n => $line) {
  71         if (strncmp($line, '--', 2) === 0) {
  72             $insert = $n;
  73             break;
  74         }
  75     }
  76     if (!$insert) {
  77         $lines[] = "ALIASES: $old";
  78     } else {
  79         array_splice($lines, $insert, 0, "ALIASES: $old");
  80     }
  81     file_put_contents($file, implode($nl, $lines));
  82 }
  83
  84 rename("$old.txt", "$new.txt") || exit(1);