1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
<?php
/**
* Take page text out of an XML dump file and render basic HTML out to files.
* This is *NOT* suitable for publishing or offline use; it's intended for
* running comparative tests of parsing behavior using real-world data.
*
* Templates etc are pulled from the local wiki database, not from the dump.
*
* Copyright © 2011 Platonides
* http://www.mediawiki.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
require_once( __DIR__ . '/dumpIterator.php' );
/**
* Maintenance script to take page text out of an XML dump file and render
* basic HTML out to files.
*
* @ingroup Maintenance
*/
class CompareParsers extends DumpIterator {
private $count = 0;
public function __construct() {
parent::__construct();
$this->saveFailed = false;
$this->mDescription = "Run a file or dump with several parsers";
$this->addOption( 'parser1', 'The first parser to compare.', true, true );
$this->addOption( 'parser2', 'The second parser to compare.', true, true );
$this->addOption( 'tidy', 'Run tidy on the articles.', false, false );
$this->addOption( 'save-failed', 'Folder in which articles which differ will be stored.', false, true );
$this->addOption( 'show-diff', 'Show a diff of the two renderings.', false, false );
$this->addOption( 'diff-bin', 'Binary to use for diffing (can also be provided by DIFF env var).', false, false );
$this->addOption( 'strip-parameters', 'Remove parameters of html tags to increase readability.', false, false );
$this->addOption( 'show-parsed-output', 'Show the parsed html if both Parsers give the same output.', false, false );
}
public function checkOptions() {
if ( $this->hasOption('save-failed') ) {
$this->saveFailed = $this->getOption('save-failed');
}
$this->stripParametersEnabled = $this->hasOption( 'strip-parameters' );
$this->showParsedOutput = $this->hasOption( 'show-parsed-output' );
$this->showDiff = $this->hasOption( 'show-diff' );
if ( $this->showDiff ) {
$bin = $this->getOption( 'diff-bin', getenv( 'DIFF' ) );
if ( $bin != '' ) {
global $wgDiff;
$wgDiff = $bin;
}
}
$user = new User();
$this->options = ParserOptions::newFromUser( $user );
if ( $this->hasOption( 'tidy' ) ) {
global $wgUseTidy;
if ( !$wgUseTidy ) {
$this->error( 'Tidy was requested but $wgUseTidy is not set in LocalSettings.php', true );
}
$this->options->setTidy( true );
}
$this->failed = 0;
}
public function conclusions() {
$this->error( "{$this->failed} failed revisions out of {$this->count}" );
if ($this->count > 0)
$this->output( " (" . ( $this->failed / $this->count ) . "%)\n" );
}
function stripParameters( $text ) {
if ( !$this->stripParametersEnabled ) {
return $text;
}
return preg_replace( '/(<a) [^>]+>/', '$1>', $text );
}
/**
* Callback function for each revision, parse with both parsers and compare
* @param $rev Revision
*/
public function processRevision( $rev ) {
$title = $rev->getTitle();
$parser1Name = $this->getOption( 'parser1' );
$parser2Name = $this->getOption( 'parser2' );
self::checkParserLocally( $parser1Name );
self::checkParserLocally( $parser2Name );
$parser1 = new $parser1Name();
$parser2 = new $parser2Name();
$output1 = $parser1->parse( $rev->getText(), $title, $this->options );
$output2 = $parser2->parse( $rev->getText(), $title, $this->options );
if ( $output1->getText() != $output2->getText() ) {
$this->failed++;
$this->error( "Parsing for {$title->getPrefixedText()} differs\n" );
if ( $this->saveFailed ) {
file_put_contents( $this->saveFailed . '/' . rawurlencode( $title->getPrefixedText() ) . ".txt", $rev->getText());
}
if ( $this->showDiff ) {
$this->output( wfDiff( $this->stripParameters( $output1->getText() ), $this->stripParameters( $output2->getText() ), '' ) );
}
} else {
$this->output( $title->getPrefixedText() . "\tOK\n" );
if ( $this->showParsedOutput ) {
$this->output( $this->stripParameters( $output1->getText() ) );
}
}
}
private static function checkParserLocally( $parserName ) {
/* Look for the parser in a file appropiately named in the current folder */
if ( !class_exists( $parserName ) && file_exists( "$parserName.php" ) ) {
global $wgAutoloadClasses;
$wgAutoloadClasses[ $parserName ] = realpath( '.' ) . "/$parserName.php";
}
}
}
$maintClass = "CompareParsers";
require_once( RUN_MAINTENANCE_IF_MAIN );
|
