--- /dev/null
+<?php
+
+/**
+ * A script to read a dump of the English Wikipedia from the UseModWiki period, and to
+ * generate an XML dump in MediaWiki format.
+ *
+ * Some relevant code was ported from UseModWiki 0.92.
+ *
+ */
+
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
+require_once( dirname( __FILE__ ) .'/../includes/normal/UtfNormalUtil.php' );
+
+
+class ImportUseModWikipedia extends Maintenance {
+ var $encodeMap, $decodeMap;
+
+ var $deepRenames = array(
+ 'JimboWales' => 983862286,
+ 'TexaS' => 983918410,
+ 'HistoryOfUnitedStatesTalk' => 984795423,
+ 'MetallicA' => 985128533,
+ 'PythagoreanTheorem' => 985225545,
+ 'TheCanonofScripture' => 985368223,
+ 'TaoTehChing' => 985368222,
+ //'TheMostRemarkableFormulaInTheWorld' => 985368221,
+ 'TheRecorder' => 985368220,
+ 'GladstoneOregon' => 985368219,
+ #'UnitedStatesConstitution/AmendmentTwo' =>
+ );
+
+ var $replacements = array();
+
+ var $renameTextLinksOps = array(
+ 983846265 => array(
+ 'TestIgnore' => 'IgnoreTest',
+ ),
+ 983848080 => array(
+ 'UnitedLocomotiveWorks' => 'Atlas Shrugged/United Locomotive Works'
+ ),
+ 983856376 => array(
+ 'WikiPedia' => 'Wikipedia',
+ ),
+ 983896152 => array(
+ 'John_F_Kennedy' => 'John_F._Kennedy',
+ ),
+ 983905871 => array(
+ 'LarrySanger' => 'Larry_Sanger'
+ ),
+ 984697068 => array(
+ 'UnitedStates' => 'United States',
+ ),
+ 984792748 => array(
+ 'LibertarianisM' => 'Libertarianism'
+ ),
+ 985327832 => array(
+ 'AnarchisM' => 'Anarchism',
+ ),
+ 985290063 => array(
+ 'HistoryOfUnitedStatesDiscussion' => 'History_Of_United_States_Discussion'
+ ),
+ 985290091 => array(
+ 'BritishEmpire' => 'British Empire'
+ ),
+ /*
+ 985468958 => array(
+ 'ScienceFiction' => 'Science fiction',
+ ),*/
+ );
+
+ /**
+ * Hack for observed substitution issues
+ */
+ var $skipSelfSubstitution = array(
+ 'Pythagorean_Theorem',
+ 'The_Most_Remarkable_Formula_In_The_World',
+ 'Wine',
+ );
+
+ var $unixLineEndingsOps = array(
+ 987743732 => 'Wikipedia_FAQ'
+ );
+
+ var $replacementsDone = array();
+
+ var $moveLog = array();
+ var $moveDests = array();
+ var $revId;
+
+ var $rc = array();
+ var $textCache = array();
+ var $blacklist = array();
+
+ var $FS, $FS1, $FS2, $FS3;
+ var $FreeLinkPattern, $UrlPattern, $LinkPattern, $InterLinkPattern;
+
+ var $cp1252Table = <<<EOT
+0x00 0x0000
+0x01 0x0001
+0x02 0x0002
+0x03 0x0003
+0x04 0x0004
+0x05 0x0005
+0x06 0x0006
+0x07 0x0007
+0x08 0x0008
+0x09 0x0009
+0x0a 0x000a
+0x0b 0x000b
+0x0c 0x000c
+0x0d 0x000d
+0x0e 0x000e
+0x0f 0x000f
+0x10 0x0010
+0x11 0x0011
+0x12 0x0012
+0x13 0x0013
+0x14 0x0014
+0x15 0x0015
+0x16 0x0016
+0x17 0x0017
+0x18 0x0018
+0x19 0x0019
+0x1a 0x001a
+0x1b 0x001b
+0x1c 0x001c
+0x1d 0x001d
+0x1e 0x001e
+0x1f 0x001f
+0x20 0x0020
+0x21 0x0021
+0x22 0x0022
+0x23 0x0023
+0x24 0x0024
+0x25 0x0025
+0x26 0x0026
+0x27 0x0027
+0x28 0x0028
+0x29 0x0029
+0x2a 0x002a
+0x2b 0x002b
+0x2c 0x002c
+0x2d 0x002d
+0x2e 0x002e
+0x2f 0x002f
+0x30 0x0030
+0x31 0x0031
+0x32 0x0032
+0x33 0x0033
+0x34 0x0034
+0x35 0x0035
+0x36 0x0036
+0x37 0x0037
+0x38 0x0038
+0x39 0x0039
+0x3a 0x003a
+0x3b 0x003b
+0x3c 0x003c
+0x3d 0x003d
+0x3e 0x003e
+0x3f 0x003f
+0x40 0x0040
+0x41 0x0041
+0x42 0x0042
+0x43 0x0043
+0x44 0x0044
+0x45 0x0045
+0x46 0x0046
+0x47 0x0047
+0x48 0x0048
+0x49 0x0049
+0x4a 0x004a
+0x4b 0x004b
+0x4c 0x004c
+0x4d 0x004d
+0x4e 0x004e
+0x4f 0x004f
+0x50 0x0050
+0x51 0x0051
+0x52 0x0052
+0x53 0x0053
+0x54 0x0054
+0x55 0x0055
+0x56 0x0056
+0x57 0x0057
+0x58 0x0058
+0x59 0x0059
+0x5a 0x005a
+0x5b 0x005b
+0x5c 0x005c
+0x5d 0x005d
+0x5e 0x005e
+0x5f 0x005f
+0x60 0x0060
+0x61 0x0061
+0x62 0x0062
+0x63 0x0063
+0x64 0x0064
+0x65 0x0065
+0x66 0x0066
+0x67 0x0067
+0x68 0x0068
+0x69 0x0069
+0x6a 0x006a
+0x6b 0x006b
+0x6c 0x006c
+0x6d 0x006d
+0x6e 0x006e
+0x6f 0x006f
+0x70 0x0070
+0x71 0x0071
+0x72 0x0072
+0x73 0x0073
+0x74 0x0074
+0x75 0x0075
+0x76 0x0076
+0x77 0x0077
+0x78 0x0078
+0x79 0x0079
+0x7a 0x007a
+0x7b 0x007b
+0x7c 0x007c
+0x7d 0x007d
+0x7e 0x007e
+0x7f 0x007f
+0x80 0x20ac
+0x81 0x0081
+0x82 0x201a
+0x83 0x0192
+0x84 0x201e
+0x85 0x2026
+0x86 0x2020
+0x87 0x2021
+0x88 0x02c6
+0x89 0x2030
+0x8a 0x0160
+0x8b 0x2039
+0x8c 0x0152
+0x8d 0x008d
+0x8e 0x017d
+0x8f 0x008f
+0x90 0x0090
+0x91 0x2018
+0x92 0x2019
+0x93 0x201c
+0x94 0x201d
+0x95 0x2022
+0x96 0x2013
+0x97 0x2014
+0x98 0x02dc
+0x99 0x2122
+0x9a 0x0161
+0x9b 0x203a
+0x9c 0x0153
+0x9d 0x009d
+0x9e 0x017e
+0x9f 0x0178
+0xa0 0x00a0
+0xa1 0x00a1
+0xa2 0x00a2
+0xa3 0x00a3
+0xa4 0x00a4
+0xa5 0x00a5
+0xa6 0x00a6
+0xa7 0x00a7
+0xa8 0x00a8
+0xa9 0x00a9
+0xaa 0x00aa
+0xab 0x00ab
+0xac 0x00ac
+0xad 0x00ad
+0xae 0x00ae
+0xaf 0x00af
+0xb0 0x00b0
+0xb1 0x00b1
+0xb2 0x00b2
+0xb3 0x00b3
+0xb4 0x00b4
+0xb5 0x00b5
+0xb6 0x00b6
+0xb7 0x00b7
+0xb8 0x00b8
+0xb9 0x00b9
+0xba 0x00ba
+0xbb 0x00bb
+0xbc 0x00bc
+0xbd 0x00bd
+0xbe 0x00be
+0xbf 0x00bf
+0xc0 0x00c0
+0xc1 0x00c1
+0xc2 0x00c2
+0xc3 0x00c3
+0xc4 0x00c4
+0xc5 0x00c5
+0xc6 0x00c6
+0xc7 0x00c7
+0xc8 0x00c8
+0xc9 0x00c9
+0xca 0x00ca
+0xcb 0x00cb
+0xcc 0x00cc
+0xcd 0x00cd
+0xce 0x00ce
+0xcf 0x00cf
+0xd0 0x00d0
+0xd1 0x00d1
+0xd2 0x00d2
+0xd3 0x00d3
+0xd4 0x00d4
+0xd5 0x00d5
+0xd6 0x00d6
+0xd7 0x00d7
+0xd8 0x00d8
+0xd9 0x00d9
+0xda 0x00da
+0xdb 0x00db
+0xdc 0x00dc
+0xdd 0x00dd
+0xde 0x00de
+0xdf 0x00df
+0xe0 0x00e0
+0xe1 0x00e1
+0xe2 0x00e2
+0xe3 0x00e3
+0xe4 0x00e4
+0xe5 0x00e5
+0xe6 0x00e6
+0xe7 0x00e7
+0xe8 0x00e8
+0xe9 0x00e9
+0xea 0x00ea
+0xeb 0x00eb
+0xec 0x00ec
+0xed 0x00ed
+0xee 0x00ee
+0xef 0x00ef
+0xf0 0x00f0
+0xf1 0x00f1
+0xf2 0x00f2
+0xf3 0x00f3
+0xf4 0x00f4
+0xf5 0x00f5
+0xf6 0x00f6
+0xf7 0x00f7
+0xf8 0x00f8
+0xf9 0x00f9
+0xfa 0x00fa
+0xfb 0x00fb
+0xfc 0x00fc
+0xfd 0x00fd
+0xfe 0x00fe
+0xff 0x00ff
+EOT;
+ public function __construct() {
+ parent::__construct();
+ $this->addOption( 'datadir', 'the value of $DataDir from wiki.cgi', true, true );
+ $this->addOption( 'outfile', 'the name of the output XML file', true, true );
+ $this->initLinkPatterns();
+
+ $this->encodeMap = $this->decodeMap = array();
+ foreach ( explode( "\n", $this->cp1252Table ) as $line ) {
+ list( $source, $dest ) = explode( "\t", $line );
+ $sourceChar = chr( base_convert( substr( $source, 2 ), 16, 10 ) );
+ $destChar = codepointToUtf8( base_convert( substr( $dest, 2 ), 16, 10 ) );
+ $this->encodeMap[$sourceChar] = $destChar;
+ $this->decodeMap[$destChar] = $sourceChar;
+ }
+ }
+
+ function initLinkPatterns() {
+ # Field separators are used in the URL-style patterns below.
+ $this->FS = "\xb3"; # The FS character is a superscript "3"
+ $this->FS1 = $this->FS . "1"; # The FS values are used to separate fields
+ $this->FS2 = $this->FS . "2"; # in stored hashtables and other data structures.
+ $this->FS3 = $this->FS . "3"; # The FS character is not allowed in user data.
+
+ $UpperLetter = "[A-Z";
+ $LowerLetter = "[a-z";
+ $AnyLetter = "[A-Za-z";
+ $AnyLetter .= "_0-9";
+ $UpperLetter .= "]"; $LowerLetter .= "]"; $AnyLetter .= "]";
+
+ # Main link pattern: lowercase between uppercase, then anything
+ $LpA = $UpperLetter . "+" . $LowerLetter . "+" . $UpperLetter
+ . $AnyLetter . "*";
+ # Optional subpage link pattern: uppercase, lowercase, then anything
+ $LpB = $UpperLetter . "+" . $LowerLetter . "+" . $AnyLetter . "*";
+
+ # Loose pattern: If subpage is used, subpage may be simple name
+ $this->LinkPattern = "((?:(?:$LpA)?\\/$LpB)|$LpA)";
+ $QDelim = '(?:"")?'; # Optional quote delimiter (not in output)
+ $this->LinkPattern .= $QDelim;
+
+ # Inter-site convention: sites must start with uppercase letter
+ # (Uppercase letter avoids confusion with URLs)
+ $InterSitePattern = $UpperLetter . $AnyLetter . "+";
+ $this->InterLinkPattern = "((?:$InterSitePattern:[^\\]\\s\"<>{$this->FS}]+)$QDelim)";
+
+ $AnyLetter = "[-,. _0-9A-Za-z]";
+ $this->FreeLinkPattern = "($AnyLetter+)";
+ $this->FreeLinkPattern = "((?:(?:$AnyLetter+)?\\/)?$AnyLetter+)";
+ $this->FreeLinkPattern .= $QDelim;
+
+ # Url-style links are delimited by one of:
+ # 1. Whitespace (kept in output)
+ # 2. Left or right angle-bracket (< or >) (kept in output)
+ # 3. Right square-bracket (]) (kept in output)
+ # 4. A single double-quote (") (kept in output)
+ # 5. A $FS (field separator) character (kept in output)
+ # 6. A double double-quote ("") (removed from output)
+
+ $UrlProtocols = "http|https|ftp|afs|news|nntp|mid|cid|mailto|wais|"
+ . "prospero|telnet|gopher";
+ $UrlProtocols .= '|file';
+ $this->UrlPattern = "((?:(?:$UrlProtocols):[^\\]\\s\"<>{$this->FS}]+)$QDelim)";
+ $ImageExtensions = "(gif|jpg|png|bmp|jpeg)";
+ $RFCPattern = "RFC\\s?(\\d+)";
+ $ISBNPattern = "ISBN:?([0-9- xX]{10,})";
+ }
+
+ function execute() {
+ $this->articleFileName = '/tmp/importUseMod.' . mt_rand( 0, 0x7ffffff ) . '.tmp';
+ $this->patchFileName = '/tmp/importUseMod.' . mt_rand( 0, 0x7ffffff ) . '.tmp';
+ $this->dataDir = $this->getOption( 'datadir' );
+ $this->outFile = fopen( $this->getOption( 'outfile' ), 'w' );
+ if ( !$this->outFile ) {
+ echo "Unable to open output file\n";
+ return 1;
+ }
+ $this->writeXmlHeader();
+ $this->readRclog();
+ $this->writeMoveLog();
+ $this->writeRevisions();
+ $this->reconcileCurrentRevs();
+ $this->writeXmlFooter();
+ unlink( $this->articleFileName );
+ unlink( $this->patchFileName );
+ return 0;
+ }
+
+ function writeXmlHeader() {
+ fwrite( $this->outFile, <<<EOT
+<mediawiki xmlns="http://www.mediawiki.org/xml/export-0.3/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.mediawiki.org/xml/export-0.3/ http://www.mediawiki.org/xml/export-0.3.xsd" version="0.3" xml:lang="en">
+ <siteinfo>
+ <sitename>Wikipedia</sitename>
+ <base>http://www.wikipedia.com/</base>
+ <generator>MediaWiki 1.18alpha importUseModWikipedia.php</generator>
+ <case>case-sensitive</case>
+ <namespaces>
+ <namespace key="0" />
+ </namespaces>
+ </siteinfo>
+
+EOT
+ );
+ }
+
+ function writeXmlFooter() {
+ fwrite( $this->outFile, "</mediawiki>\n" );
+ }
+
+ function readRclog() {
+ $rcFile = fopen( "{$this->dataDir}/rclog", 'r' );
+ while ( $line = fgets( $rcFile ) ) {
+ $bits = explode( $this->FS3, $line );
+ if ( count( $bits ) !== 7 ) {
+ echo "Error reading rclog\n";
+ return;
+ }
+ $params = array(
+ 'timestamp' => $bits[0],
+ 'rctitle' => $bits[1],
+ 'summary' => $bits[2],
+ 'minor' => $bits[3],
+ 'host' => $bits[4],
+ 'kind' => $bits[5],
+ 'extra' => array()
+ );
+ $extraList = explode( $this->FS2, $bits[6] );
+
+ for ( $i = 0; $i < count( $extraList ); $i += 2 ) {
+ $params['extra'][$extraList[$i]] = $extraList[$i + 1];
+ }
+ $this->rc[$params['timestamp']][] = $params;
+ }
+ }
+
+ function writeMoveLog() {
+ $this->moveLog = array();
+ $deepRenames = $this->deepRenames;
+ echo "Calculating move log...\n";
+ $this->processDiffFile( array( $this, 'moveLogCallback' ) );
+
+ // We have the timestamp intervals, now make a guess at the actual timestamp
+ foreach ( $this->moveLog as $newTitle => $params ) {
+ // Is there a time specified?
+ $drTime = false;
+ if ( isset( $deepRenames[$params['old']] ) ) {
+ $drTime = $deepRenames[$params['old']];
+ if ( $drTime !== '?' ) {
+ if ( ( !isset( $params['endTime'] ) || $drTime < $params['endTime'] )
+ && $drTime > $params['startTime'] )
+ {
+ $this->moveLog[$newTitle]['timestamp'] = $drTime;
+ $this->moveLog[$newTitle]['deep'] = true;
+
+ echo "{$params['old']} -> $newTitle at $drTime\n";
+ unset( $deepRenames[$params['old']] );
+ continue;
+ } else {
+ echo "WARNING: deep rename time invalid: {$params['old']}\n";
+ unset( $deepRenames[$params['old']] );
+ }
+ }
+ }
+
+ // Guess that it is one second after the last edit to the page before it was moved
+ $this->moveLog[$newTitle]['timestamp'] = $params['startTime'] + 1;
+ if ( $drTime === '?' ) {
+ $this->moveLog[$newTitle]['deep'] = true;
+ unset( $deepRenames[$params['old']] );
+ }
+ if ( isset( $params['endTime'] ) ) {
+ $this->printLatin1( "{$params['old']} -> $newTitle between " .
+ "{$params['startTime']} and {$params['endTime']}\n" );
+ } else {
+ $this->printLatin1( "{$params['old']} -> $newTitle after " .
+ "{$params['startTime']}\n" );
+ }
+ }
+
+ // Write the move log to the XML file
+ $id = 1;
+ foreach ( $this->moveLog as $newTitle => $params ) {
+ $out = "<logitem>\n" .
+ $this->element( 'id', $id++ ) .
+ $this->element( 'timestamp', wfTimestamp( TS_ISO_8601, $params['timestamp'] ) ) .
+ "<contributor>\n" .
+ $this->element( 'username', 'UseModWiki admin' ) .
+ "</contributor>" .
+ $this->element( 'type', 'move' ) .
+ $this->element( 'action', 'move' ) .
+ $this->element( 'logtitle', $params['old'] ) .
+ "<params xml:space=\"preserve\">" .
+ htmlspecialchars( $this->encode( "{$newTitle}\n1" ) ) .
+ "</params>\n" .
+ "</logitem>\n";
+ fwrite( $this->outFile, $out );
+ }
+
+ // Check for remaining deep rename entries
+ if ( $deepRenames ) {
+ echo "WARNING: the following entries in \$this->deepRenames are " .
+ "invalid, since no such move exists:\n" .
+ implode( "\n", array_keys( $deepRenames ) ) .
+ "\n\n";
+ }
+
+ }
+
+ function element( $name, $value ) {
+ return "<$name>" . htmlspecialchars( $this->encode( $value ) ) . "</$name>\n";
+ }
+
+ function moveLogCallback( $entry ) {
+ $rctitle = $entry['rctitle'];
+ $title = $entry['title'];
+ $this->moveDests[$rctitle] = $title;
+
+ if ( $rctitle === $title ) {
+ if ( isset( $this->moveLog[$rctitle] )
+ && !isset( $this->moveLog[$rctitle]['endTime'] ) )
+ {
+ // This is the latest time that the page could have been moved
+ $this->moveLog[$rctitle]['endTime'] = $entry['timestamp'];
+ }
+ } else {
+ if ( !isset( $this->moveLog[$rctitle] ) ) {
+ // Initialise the move log entry
+ $this->moveLog[$rctitle] = array(
+ 'old' => $title
+ );
+ }
+ // Update the earliest time the page could have been moved
+ $this->moveLog[$rctitle]['startTime'] = $entry['timestamp'];
+ }
+ }
+
+ function writeRevisions() {
+ $this->numGoodRevs = 0;
+ $this->revId = 1;
+ $this->processDiffFile( array( $this, 'revisionCallback' ) );
+ echo "\n\nImported {$this->numGoodRevs} out of {$this->numRevs}\n";
+ }
+
+ function revisionCallback( $params ) {
+ $origTitle = $params['title'];
+ $title = $params['rctitle'];
+ $editTime = $params['timestamp'];
+
+ if ( isset( $this->blacklist[$title] ) ) {
+ return;
+ }
+ $this->doPendingOps( $editTime );
+
+ $origText = $this->getText( $title );
+ $text = $this->patch( $origText, $params['diff'] );
+ if ( $text === false ) {
+ echo "$editTime $title attempting resolution...\n";
+ $linkSubstitutes = $this->resolveFailedDiff( $origText, $params['diff'] );
+ if ( !$linkSubstitutes ) {
+ $this->printLatin1( "$editTime $title DIFF FAILED\n" );
+ $this->blacklist[$title] = true;
+ return;
+ }
+ $this->printLatin1( "$editTime $title requires substitutions:\n" );
+ $time = $editTime - 1;
+ foreach ( $linkSubstitutes as $old => $new ) {
+ $this->printLatin1( "SUBSTITUTE $old -> $new\n" );
+ $this->renameTextLinks( $old, $new, $time-- );
+ }
+ $origText = $this->getText( $title );
+ $text = $this->patch( $origText, $params['diff'] );
+ if ( $text === false ) {
+ $this->printLatin1( "$editTime $title STILL FAILS!\n" );
+ $this->blacklist[$title] = true;
+ return;
+ }
+
+ echo "\n";
+ }
+
+ $params['text'] = $text;
+ $this->saveRevision( $params );
+ $this->numGoodRevs++;
+ #$this->printLatin1( "$editTime $title\n" );
+ }
+
+ function doPendingOps( $editTime ) {
+ foreach ( $this->moveLog as $newTitle => $entry ) {
+ if ( $entry['timestamp'] <= $editTime ) {
+ unset( $this->moveLog[$newTitle] );
+ if ( isset( $entry['deep'] ) ) {
+ $this->renameTextLinks( $entry['old'], $newTitle, $entry['timestamp'] );
+ }
+ }
+ }
+
+ foreach ( $this->renameTextLinksOps as $renameTime => $replacements ) {
+ if ( $editTime >= $renameTime ) {
+ foreach ( $replacements as $old => $new ) {
+ $this->printLatin1( "SUBSTITUTE $old -> $new\n" );
+ $this->renameTextLinks( $old, $new, $renameTime );
+ }
+ unset( $this->renameTextLinksOps[$renameTime] );
+ }
+ }
+
+ foreach ( $this->unixLineEndingsOps as $fixTime => $title ) {
+ if ( $editTime >= $fixTime ) {
+ $this->printLatin1( "$fixTime $title FIXING LINE ENDINGS\n" );
+ $text = $this->getText( $title );
+ $text = str_replace( "\r", '', $text );
+ $this->saveRevision( array(
+ 'rctitle' => $title,
+ 'timestamp' => $fixTime,
+ 'extra' => array( 'name' => 'UseModWiki admin' ),
+ 'text' => $text,
+ 'summary' => 'Fixing line endings',
+ ) );
+ unset( $this->unixLineEndingsOps[$fixTime] );
+ }
+ }
+ }
+
+ function patch( $source, $diff ) {
+ file_put_contents( $this->articleFileName, $source );
+ file_put_contents( $this->patchFileName, $diff );
+ $error = wfShellExec(
+ wfEscapeShellArg(
+ 'patch',
+ '-n',
+ '-r', '-',
+ '--no-backup-if-mismatch',
+ '--binary',
+ $this->articleFileName,
+ $this->patchFileName
+ ) . ' 2>&1',
+ $status
+ );
+ $text = file_get_contents( $this->articleFileName );
+ if ( $status || $text === false ) {
+ return false;
+ } else {
+ return $text;
+ }
+ }
+
+ function resolveFailedDiff( $origText, $diff ) {
+ $context = array();
+ $rxRange = '\d+(?:,(\d+))?';
+ $diffLines = explode( "\n", $diff );
+ for ( $i = 0; $i < count( $diffLines ); $i++ ) {
+ $diffLine = $diffLines[$i];
+ if ( !preg_match( '/^(\d+)(?:,\d+)?[acd]\d+(?:,\d+)?$/', $diffLine, $m ) ) {
+ continue;
+ }
+
+ $sourceIndex = intval( $m[1] );
+ $i++;
+ while ( $i < count( $diffLines ) && substr( $diffLines[$i], 0, 1 ) === '<' ) {
+ $context[$sourceIndex - 1] = substr( $diffLines[$i], 2 );
+ $sourceIndex++;
+ $i++;
+ }
+ $i--;
+ }
+
+ $changedLinks = array();
+ $origLines = explode( "\n", $origText );
+ foreach ( $context as $i => $contextLine ) {
+ $origLine = isset( $origLines[$i] ) ? $origLines[$i] : '';
+ if ( $contextLine === $origLine ) {
+ continue;
+ }
+ $newChanges = $this->resolveTextChange( $origLine, $contextLine );
+ if ( is_array( $newChanges ) ) {
+ $changedLinks += $newChanges;
+ } else {
+ echo "Resolution failure on line " . ( $i + 1 ) . "\n";
+ $this->printLatin1( $newChanges );
+ }
+ }
+
+ return $changedLinks;
+ }
+
+ function resolveTextChange( $source, $dest ) {
+ $changedLinks = array();
+ $sourceLinks = $this->getLinkList( $source );
+ $destLinks = $this->getLinkList( $dest );
+ $newLinks = array_diff( $destLinks, $sourceLinks );
+ $removedLinks = array_diff( $sourceLinks, $destLinks );
+
+ // Match up the removed links with the new links
+ foreach ( $newLinks as $j => $newLink ) {
+ $minDistance = 100000000;
+ $bestRemovedLink = false;
+ foreach ( $removedLinks as $k => $removedLink ) {
+ $editDistance = levenshtein( $newLink, $removedLink );
+ if ( $editDistance < $minDistance ) {
+ $minDistance = $editDistance;
+ $bestRemovedLink = $removedLink;
+ }
+ }
+ if ( $bestRemovedLink !== false ) {
+ $changedLinks[$bestRemovedLink] = $newLink;
+ $newLinks = array_diff( $newLinks, array( $newLink ) );
+ $removedLinks = array_diff( $removedLinks, array( $bestRemovedLink ) );
+ }
+ }
+
+ $proposal = $source;
+ foreach ( $changedLinks as $removedLink => $newLink ) {
+ $proposal = $this->substituteTextLinks( $removedLink, $newLink, $proposal );
+ }
+ if ( $proposal !== $dest ) {
+ // Resolution failed
+ $msg = "Source line: $source\n" .
+ "Source links: " . implode( ', ', $sourceLinks ) . "\n" .
+ "Context line: $dest\n" .
+ "Context links: " . implode( ', ', $destLinks ) . "\n" .
+ "Proposal: $proposal\n";
+ return $msg;
+ }
+ return $changedLinks;
+ }
+
+ function processDiffFile( $callback ) {
+ $diffFile = fopen( "{$this->dataDir}/diff_log", 'r' );
+
+ $delimiter = "------\n";
+ file_put_contents( $this->articleFileName, "Describe the new page here.\n" );
+
+ $line = fgets( $diffFile );
+ $lineNum = 1;
+ if ( $line !== $delimiter ) {
+ echo "Invalid diff file\n";
+ return false;
+ }
+ $lastReportLine = 0;
+ $this->numRevs = 0;
+
+ while ( true ) {
+ $line = fgets( $diffFile );
+ $lineNum++;
+ if ( $line === false ) {
+ break;
+ }
+ if ( $lineNum > $lastReportLine + 1000 ) {
+ $lastReportLine = $lineNum;
+ fwrite( STDERR, "$lineNum \r" );
+ fflush( STDERR );
+ }
+ $line = trim( $line );
+ if ( !preg_match( '/^([^|]+)\|(\d+)$/', $line, $matches ) ) {
+ echo "Invalid header on line $lineNum\n";
+ return true;
+ }
+ list( , $title, $editTime ) = $matches;
+
+ $diff = '';
+ $diffStartLine = $lineNum;
+ while ( true ) {
+ $line = fgets( $diffFile );
+ $lineNum++;
+ if ( $line === $delimiter ) {
+ break;
+ }
+ if ( $line === false ) {
+ break 2;
+ }
+ $diff .= $line;
+ }
+
+ $this->numRevs++;
+
+ if ( !isset( $this->rc[$editTime] ) ) {
+ $this->printLatin1( "$editTime $title DELETED, skipping\n" );
+ continue;
+ }
+
+ if ( count( $this->rc[$editTime] ) == 1 ) {
+ $params = $this->rc[$editTime][0];
+ } else {
+ $params = false;
+ $candidates = '';
+ foreach ( $this->rc[$editTime] as $rc ) {
+ if ( $rc['rctitle'] === $title ) {
+ $params = $rc;
+ break;
+ }
+ if ( $candidates === '' ) {
+ $candidates = $rc['rctitle'];
+ } else {
+ $candidates .= ', ' . $rc['rctitle'];
+ }
+ }
+ if ( !$params ) {
+ $this->printLatin1( "$editTime $title ERROR cannot resolve rclog\n" );
+ $this->printLatin1( "$editTime $title CANDIDATES: $candidates\n" );
+ continue;
+ }
+ }
+ $params['diff'] = $diff;
+ $params['title'] = $title;
+ $params['diffStartLine'] = $diffStartLine;
+ call_user_func( $callback, $params );
+ }
+ echo "\n";
+
+ if ( !feof( $diffFile ) ) {
+ echo "Stopped at line $lineNum\n";
+ }
+ return true;
+ }
+
+ function reconcileCurrentRevs() {
+ foreach ( $this->textCache as $title => $text ) {
+ $fileName = "{$this->dataDir}/page/";
+ if ( preg_match( '/^[A-Z]/', $title, $m ) ) {
+ $fileName .= $m[0];
+ } else {
+ $fileName .= 'other';
+ }
+ $fileName .= "/$title.db";
+
+ if ( !file_exists( $fileName ) ) {
+ $this->printLatin1( "ERROR: Cannot find page file for {$title}\n" );
+ continue;
+ }
+
+ $fileContents = file_get_contents( $fileName );
+ $page = $this->unserializeUseMod( $fileContents, $this->FS1 );
+ $section = $this->unserializeUseMod( $page['text_default'], $this->FS2 );
+ $data = $this->unserializeUseMod( $section['data'], $this->FS3 );
+ $pageText = $data['text'];
+ if ( $text !== $pageText ) {
+ $substs = $this->resolveTextChange( $text, $pageText );
+ if ( is_array( $substs ) ) {
+ foreach ( $substs as $source => $dest ) {
+ if ( isset( $this->moveLog[$dest] ) ) {
+ $this->printLatin1( "ERROR: need deep rename: $source\n" );
+ } else {
+ $this->printLatin1( "ERROR: need substitute: $source -> $dest\n" );
+ }
+ }
+ } else {
+ $this->printLatin1( "ERROR: unresolved diff in $title:\n" );
+ wfSuppressWarnings();
+ $diff = xdiff_string_diff( $text, $pageText ) . '';
+ wfRestoreWarnings();
+ $this->printLatin1( "$diff\n" );
+ }
+ }
+ }
+ }
+
+ function makeTitle( $titleText ) {
+ return Title::newFromText( $this->encode( $titleText ) );
+ }
+
+ function getText( $titleText ) {
+ if ( !isset( $this->textCache[$titleText] ) ) {
+ return "Describe the new page here.\n";
+ } else {
+ return $this->textCache[$titleText];
+ }
+ }
+
+ function saveRevision( $params ) {
+ $this->textCache[$params['rctitle']] = $params['text'];
+
+ $out = "<page>\n" .
+ $this->element( 'title', $params['rctitle'] ) .
+ "<revision>\n" .
+ $this->element( 'id', $this->revId ++ ) .
+ $this->element( 'timestamp', wfTimestamp( TS_ISO_8601, $params['timestamp'] ) ) .
+ "<contributor>\n";
+ if ( isset( $params['extra']['name'] ) ) {
+ $out .= $this->element( 'username', $params['extra']['name'] );
+ }
+ if ( isset( $params['extra']['id'] ) ) {
+ $out .= $this->element( 'id', $params['extra']['id'] );
+ }
+ if ( isset( $params['host'] ) ) {
+ $out .= $this->element( 'ip', $params['host'] );
+ }
+ $out .=
+ "</contributor>\n" .
+ $this->element( 'comment', $params['summary'] ) .
+ "<text xml:space=\"preserve\">" .
+ htmlspecialchars( $this->encode( $params['text'] ) ) .
+ "</text>\n" .
+ "</revision>\n" .
+ "</page>\n";
+ fwrite( $this->outFile, $out );
+ }
+
+ function renameTextLinks( $old, $new, $timestamp ) {
+ $newWithUnderscores = $new;
+ $old = str_replace( '_', ' ', $old );
+ $new = str_replace( '_', ' ', $new );
+
+ foreach ( $this->textCache as $title => $oldText ) {
+ if ( $newWithUnderscores === $title
+ && in_array( $title, $this->skipSelfSubstitution ) )
+ {
+ // Hack to make Pythagorean_Theorem etc. work
+ continue;
+ }
+
+ $newText = $this->substituteTextLinks( $old, $new, $oldText );
+ if ( $oldText !== $newText ) {
+ $this->saveRevision( array(
+ 'rctitle' => $title,
+ 'timestamp' => $timestamp,
+ 'text' => $newText,
+ 'extra' => array( 'name' => 'Page move link fixup script' ),
+ 'summary' => '',
+ 'minor' => true
+ ) );
+ }
+ }
+ }
+
+ function substituteTextLinks( $old, $new, $text ) {
+ $this->saveUrl = array();
+ $this->old = $old;
+ $this->new = $new;
+
+ $text = str_replace( $this->FS, '', $text ); # Remove separators (paranoia)
+ $text = preg_replace_callback( '/(<pre>(.*?)<\/pre>)/is',
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( '/(<code>(.*?)<\/code>)/is',
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( '/(<nowiki>(.*?)<\/nowiki>)/s',
+ array( $this, 'storeRaw' ), $text );
+
+ $text = preg_replace_callback( "/\[\[{$this->FreeLinkPattern}\|([^\]]+)\]\]/",
+ array( $this, 'subFreeLink' ), $text );
+ $text = preg_replace_callback( "/\[\[{$this->FreeLinkPattern}\]\]/",
+ array( $this, 'subFreeLink' ), $text );
+ $text = preg_replace_callback( "/(\[{$this->UrlPattern}\s+([^\]]+?)\])/",
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( "/(\[{$this->InterLinkPattern}\s+([^\]]+?)\])/",
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( "/(\[?{$this->UrlPattern}\]?)/",
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( "/(\[?{$this->InterLinkPattern}\]?)/",
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( "/{$this->LinkPattern}/",
+ array( $this, 'subWikiLink' ), $text );
+
+ $text = preg_replace_callback( "/{$this->FS}(\d+){$this->FS}/",
+ array( $this, 'restoreRaw' ), $text ); # Restore saved text
+ return $text;
+ }
+
+ function getLinkList( $text ) {
+ $this->saveUrl = array();
+ $this->linkList = array();
+
+ $text = str_replace( $this->FS, '', $text ); # Remove separators (paranoia)
+ $text = preg_replace_callback( '/(<pre>(.*?)<\/pre>)/is',
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( '/(<code>(.*?)<\/code>)/is',
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( '/(<nowiki>(.*?)<\/nowiki>)/s',
+ array( $this, 'storeRaw' ), $text );
+
+ $text = preg_replace_callback( "/\[\[{$this->FreeLinkPattern}\|([^\]]+)\]\]/",
+ array( $this, 'storeLink' ), $text );
+ $text = preg_replace_callback( "/\[\[{$this->FreeLinkPattern}\]\]/",
+ array( $this, 'storeLink' ), $text );
+ $text = preg_replace_callback( "/(\[{$this->UrlPattern}\s+([^\]]+?)\])/",
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( "/(\[{$this->InterLinkPattern}\s+([^\]]+?)\])/",
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( "/(\[?{$this->UrlPattern}\]?)/",
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( "/(\[?{$this->InterLinkPattern}\]?)/",
+ array( $this, 'storeRaw' ), $text );
+ $text = preg_replace_callback( "/{$this->LinkPattern}/",
+ array( $this, 'storeLink' ), $text );
+
+ return $this->linkList;
+ }
+
+ function storeRaw( $m ) {
+ $this->saveUrl[] = $m[1];
+ return $this->FS . (count( $this->saveUrl ) - 1) . $this->FS;
+ }
+
+ function subFreeLink( $m ) {
+ $link = $m[1];
+ if ( isset( $m[2] ) ) {
+ $name = $m[2];
+ } else {
+ $name = '';
+ }
+ $oldlink = $link;
+ $link = preg_replace( '/^\s+/', '', $link );
+ $link = preg_replace( '/\s+$/', '', $link );
+ if ( $link == $this->old ) {
+ $link = $this->new;
+ } else {
+ $link = $oldlink; # Preserve spaces if no match
+ }
+ $link = "[[$link";
+ if ( $name !== "" ) {
+ $link .= "|$name";
+ }
+ $link .= "]]";
+ return $this->storeRaw( array( 1 => $link ) );
+ }
+
+ function subWikiLink( $m ) {
+ $link = $m[1];
+ if ( $link == $this->old ) {
+ $link = $this->new;
+ if ( !preg_match( "/^{$this->LinkPattern}$/", $this->new ) ) {
+ $link = "[[$link]]";
+ }
+ }
+ return $this->storeRaw( array( 1 => $link ) );
+ }
+
+ function restoreRaw( $m ) {
+ return $this->saveUrl[$m[1]];
+ }
+
+ function storeLink( $m ) {
+ $this->linkList[] = $m[1];
+ return $this->storeRaw( $m );
+ }
+
+ function encode( $s ) {
+ return strtr( $s, $this->encodeMap );
+ }
+
+ function decode( $s ) {
+ return strtr( $s, $this->decodeMap );
+ }
+
+ function printLatin1( $s ) {
+ echo $this->encode( $s );
+ }
+
+ function unserializeUseMod( $s, $sep ) {
+ $parts = explode( $sep, $s );
+ $result = array();
+ for ( $i = 0; $i < count( $parts ); $i += 2 ) {
+ $result[$parts[$i]] = $parts[$i+1];
+ }
+ return $result;
+ }
+}
+
+$maintClass = 'ImportUseModWikipedia';
+require_once( DO_MAINTENANCE );