tests/parser/ParserTestParserHook.php

   1 <?php
   2 /**
   3  * A basic extension that's used by the parser tests to test whether input and
   4  * arguments are passed to extensions properly.
   5  *
   6  * Copyright © 2005, 2006 Ævar Arnfjörð Bjarmason
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  21  * http://www.gnu.org/copyleft/gpl.html
  22  *
  23  * @file
  24  * @ingroup Testing
  25  * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
  26  */
  27
  28 class ParserTestParserHook {
  29
  30         static function setup( &$parser ) {
  31                 $parser->setHook( 'tag', [ __CLASS__, 'dumpHook' ] );
  32                 $parser->setHook( 'tåg', [ __CLASS__, 'dumpHook' ] );
  33                 $parser->setHook( 'statictag', [ __CLASS__, 'staticTagHook' ] );
  34                 return true;
  35         }
  36
  37         static function dumpHook( $in, $argv ) {
  38                 return "<pre>\n" .
  39                         var_export( $in, true ) . "\n" .
  40                         var_export( $argv, true ) . "\n" .
  41                         "</pre>";
  42         }
  43
  44         static function staticTagHook( $in, $argv, $parser ) {
  45                 if ( !count( $argv ) ) {
  46                         $parser->static_tag_buf = $in;
  47                         return '';
  48                 } elseif ( count( $argv ) === 1 && isset( $argv['action'] )
  49                         && $argv['action'] === 'flush' && $in === null
  50                 ) {
  51                         // Clear the buffer, we probably don't need to
  52                         if ( isset( $parser->static_tag_buf ) ) {
  53                                 $tmp = $parser->static_tag_buf;
  54                         } else {
  55                                 $tmp = '';
  56                         }
  57                         $parser->static_tag_buf = null;
  58                         return $tmp;
  59                 } else { // wtf?
  60                         return
  61                                 "\nCall this extension as <statictag>string</statictag> or as" .
  62                                 " <statictag action=flush/>, not in any other way.\n" .
  63                                 "text: " . var_export( $in, true ) . "\n" .
  64                                 "argv: " . var_export( $argv, true ) . "\n";
  65                 }
  66         }
  67 }