/**
* Pre-save transform helper function
*
* @param $text string
* @param $user User
*
* @return string
*/
private function pstPass2($text, $user)
{
global $wgContLang;
# Note: This is the timestamp saved as hardcoded wikitext to
# the database, we use $wgContLang here in order to give
# everyone the same signature and use the default one rather
# than the one selected in each user's preferences.
# (see also bug 12815)
$ts = $this->mOptions->getTimestamp();
$timestamp = MWTimestamp::getLocalInstance($ts);
$ts = $timestamp->format('YmdHis');
$tzMsg = $timestamp->format('T');
# might vary on DST changeover!
# Allow translation of timezones through wiki. format() can return
# whatever crap the system uses, localised or not, so we cannot
# ship premade translations.
$key = 'timezone-' . strtolower(trim($tzMsg));
$msg = wfMessage($key)->inContentLanguage();
if ($msg->exists()) {
$tzMsg = $msg->text();
}
$d = $wgContLang->timeanddate($ts, false, false) . " ({$tzMsg})";
# Variable replacement
# Because mOutputType is OT_WIKI, this will only process {{subst:xxx}} type tags
$text = $this->replaceVariables($text);
# This works almost by chance, as the replaceVariables are done before the getUserSig(),
# which may corrupt this parser instance via its wfMessage()->text() call-
# Signatures
$sigText = $this->getUserSig($user);
$text = strtr($text, array('~~~~~' => $d, '~~~~' => "{$sigText} {$d}", '~~~' => $sigText));
# Context links ("pipe tricks"): [[|name]] and [[name (context)|]]
$tc = '[' . Title::legalChars() . ']';
$nc = '[ _0-9A-Za-z\\x80-\\xff-]';
# Namespaces can use non-ascii!
$p1 = "/\\[\\[(:?{$nc}+:|:|)({$tc}+?)( ?\\({$tc}+\\))\\|]]/";
# [[ns:page (context)|]]
$p4 = "/\\[\\[(:?{$nc}+:|:|)({$tc}+?)( ?（{$tc}+）)\\|]]/";
# [[ns:page（context）|]] (double-width brackets, added in r40257)
$p3 = "/\\[\\[(:?{$nc}+:|:|)({$tc}+?)( ?\\({$tc}+\\)|)((?:, |，){$tc}+|)\\|]]/";
# [[ns:page (context), context|]] (using either single or double-width comma)
$p2 = "/\\[\\[\\|({$tc}+)]]/";
# [[|page]] (reverse pipe trick: add context from page title)
# try $p1 first, to turn "[[A, B (C)|]]" into "[[A, B (C)|A, B]]"
$text = preg_replace($p1, '[[\\1\\2\\3|\\2]]', $text);
$text = preg_replace($p4, '[[\\1\\2\\3|\\2]]', $text);
$text = preg_replace($p3, '[[\\1\\2\\3\\4|\\2]]', $text);
$t = $this->mTitle->getText();
$m = array();
if (preg_match("/^({$nc}+:|){$tc}+?( \\({$tc}+\\))\$/", $t, $m)) {
$text = preg_replace($p2, "[[{$m['1']}\\1{$m['2']}|\\1]]", $text);
} elseif (preg_match("/^({$nc}+:|){$tc}+?(, {$tc}+|)\$/", $t, $m) && "{$m['1']}{$m['2']}" != '') {
$text = preg_replace($p2, "[[{$m['1']}\\1{$m['2']}|\\1]]", $text);
} else {
# if there's no context, don't bother duplicating the title
$text = preg_replace($p2, '[[\\1]]', $text);
}
# Trim trailing whitespace
$text = rtrim($text);
return $text;
}
/**
* Attempt to cache PST content and corresponding parser output in passing
*
* This method can be called when the output was already generated for other
* reasons. Parsing should not be done just to call this method, however.
* $pstOpts must be that of the user doing the edit preview. If $pOpts does
* not match the options of WikiPage::makeParserOptions( 'canonical' ), this
* will do nothing. Provided the values are cacheable, they will be stored
* in memcached so that final edit submission might make use of them.
*
* @param Article|WikiPage $page Page title
* @param Content $content Proposed page content
* @param Content $pstContent The result of preSaveTransform() on $content
* @param ParserOutput $pOut The result of getParserOutput() on $pstContent
* @param ParserOptions $pstOpts Options for $pstContent (MUST be for prospective author)
* @param ParserOptions $pOpts Options for $pOut
* @param string $timestamp TS_MW timestamp of parser output generation
* @return bool Success
*/
public static function stashEditFromPreview(Page $page, Content $content, Content $pstContent, ParserOutput $pOut, ParserOptions $pstOpts, ParserOptions $pOpts, $timestamp)
{
global $wgMemc;
// getIsPreview() controls parser function behavior that references things
// like user/revision that don't exists yet. The user/text should already
// be set correctly by callers, just double check the preview flag.
if (!$pOpts->getIsPreview()) {
return false;
// sanity
} elseif ($pOpts->getIsSectionPreview()) {
return false;
// short-circuit (need the full content)
}
// PST parser options are for the user (handles signatures, etc...)
$user = $pstOpts->getUser();
// Get a key based on the source text, format, and user preferences
$key = self::getStashKey($page->getTitle(), $content, $user);
// Parser output options must match cannonical options.
// Treat some options as matching that are different but don't matter.
$canonicalPOpts = $page->makeParserOptions('canonical');
$canonicalPOpts->setIsPreview(true);
// force match
$canonicalPOpts->setTimestamp($pOpts->getTimestamp());
// force match
if (!$pOpts->matches($canonicalPOpts)) {
wfDebugLog('StashEdit', "Uncacheable preview output for key '{$key}' (options).");
return false;
}
// Build a value to cache with a proper TTL
list($stashInfo, $ttl) = self::buildStashValue($pstContent, $pOut, $timestamp);
if (!$stashInfo) {
wfDebugLog('StashEdit', "Uncacheable parser output for key '{$key}' (rev/TTL).");
return false;
}
$ok = $wgMemc->set($key, $stashInfo, $ttl);
if (!$ok) {
wfDebugLog('StashEdit', "Failed to cache preview parser output for key '{$key}'.");
} else {
wfDebugLog('StashEdit', "Cached preview output for key '{$key}'.");
}
return $ok;
}
