PHP ChangesList::showCharacterDifference方法代码示例

 /**
  * Returns a row from the history printout.
  *
  * @todo document some more, and maybe clean up the code (some params redundant?)
  *
  * @param stdClass $row The database row corresponding to the previous line.
  * @param mixed $next The database row corresponding to the next line
  *   (chronologically previous)
  * @param bool|string $notificationtimestamp
  * @param bool $latest Whether this row corresponds to the page's latest revision.
  * @param bool $firstInList Whether this row corresponds to the first
  *   displayed on this history page.
  * @return string HTML output for the row
  */
 function historyLine($row, $next, $notificationtimestamp = false, $latest = false, $firstInList = false)
 {
     $rev = new Revision($row);
     $rev->setTitle($this->getTitle());
     if (is_object($next)) {
         $prevRev = new Revision($next);
         $prevRev->setTitle($this->getTitle());
     } else {
         $prevRev = null;
     }
     $curlink = $this->curLink($rev, $latest);
     $lastlink = $this->lastLink($rev, $next);
     $curLastlinks = $curlink . $this->historyPage->message['pipe-separator'] . $lastlink;
     $histLinks = Html::rawElement('span', array('class' => 'mw-history-histlinks'), $this->msg('parentheses')->rawParams($curLastlinks)->escaped());
     $diffButtons = $this->diffButtons($rev, $firstInList);
     $s = $histLinks . $diffButtons;
     $link = $this->revLink($rev);
     $classes = array();
     $del = '';
     $user = $this->getUser();
     // Show checkboxes for each revision
     if ($user->isAllowed('deleterevision')) {
         $this->preventClickjacking();
         // If revision was hidden from sysops, disable the checkbox
         if (!$rev->userCan(Revision::DELETED_RESTRICTED, $user)) {
             $del = Xml::check('deleterevisions', false, array('disabled' => 'disabled'));
             // Otherwise, enable the checkbox...
         } else {
             $del = Xml::check('showhiderevisions', false, array('name' => 'ids[' . $rev->getId() . ']'));
         }
         // User can only view deleted revisions...
     } elseif ($rev->getVisibility() && $user->isAllowed('deletedhistory')) {
         // If revision was hidden from sysops, disable the link
         if (!$rev->userCan(Revision::DELETED_RESTRICTED, $user)) {
             $del = Linker::revDeleteLinkDisabled(false);
             // Otherwise, show the link...
         } else {
             $query = array('type' => 'revision', 'target' => $this->getTitle()->getPrefixedDBkey(), 'ids' => $rev->getId());
             $del .= Linker::revDeleteLink($query, $rev->isDeleted(Revision::DELETED_RESTRICTED), false);
         }
     }
     if ($del) {
         $s .= " {$del} ";
     }
     $lang = $this->getLanguage();
     $dirmark = $lang->getDirMark();
     $s .= " {$link}";
     $s .= $dirmark;
     $s .= " <span class='history-user'>" . Linker::revUserTools($rev, true) . "</span>";
     $s .= $dirmark;
     if ($rev->isMinor()) {
         $s .= ' ' . ChangesList::flag('minor');
     }
     # Sometimes rev_len isn't populated
     if ($rev->getSize() !== null) {
         # Size is always public data
         $prevSize = isset($this->parentLens[$row->rev_parent_id]) ? $this->parentLens[$row->rev_parent_id] : 0;
         $sDiff = ChangesList::showCharacterDifference($prevSize, $rev->getSize());
         $fSize = Linker::formatRevisionSize($rev->getSize());
         $s .= ' <span class="mw-changeslist-separator">. .</span> ' . "{$fSize} {$sDiff}";
     }
     # Text following the character difference is added just before running hooks
     $s2 = Linker::revComment($rev, false, true);
     if ($notificationtimestamp && $row->rev_timestamp >= $notificationtimestamp) {
         $s2 .= ' <span class="updatedmarker">' . $this->msg('updatedmarker')->escaped() . '</span>';
         $classes[] = 'mw-history-line-updated';
     }
     $tools = array();
     # Rollback and undo links
     if ($prevRev && $this->getTitle()->quickUserCan('edit', $user)) {
         if ($latest && $this->getTitle()->quickUserCan('rollback', $user)) {
             // Get a rollback link without the brackets
             $rollbackLink = Linker::generateRollback($rev, $this->getContext(), array('verify', 'noBrackets'));
             if ($rollbackLink) {
                 $this->preventClickjacking();
                 $tools[] = $rollbackLink;
             }
         }
         if (!$rev->isDeleted(Revision::DELETED_TEXT) && !$prevRev->isDeleted(Revision::DELETED_TEXT)) {
             # Create undo tooltip for the first (=latest) line only
             $undoTooltip = $latest ? array('title' => $this->msg('tooltip-undo')->text()) : array();
             $undolink = Linker::linkKnown($this->getTitle(), $this->msg('editundo')->escaped(), $undoTooltip, array('action' => 'edit', 'undoafter' => $prevRev->getId(), 'undo' => $rev->getId()));
             $tools[] = "<span class=\"mw-history-undo\">{$undolink}</span>";
         }
     }
     // Allow extension to add their own links here
//.........这里部分代码省略.........

 /**
  * Returns the change size (HTML).
  * The lengths can be given optionally.
  */
 public function getCharacterDifference($old = 0, $new = 0)
 {
     if ($old === 0) {
         $old = $this->mAttribs['rc_old_len'];
     }
     if ($new === 0) {
         $new = $this->mAttribs['rc_new_len'];
     }
     if ($old === null || $new === null) {
         return '';
     }
     return ChangesList::showCharacterDifference($old, $new);
 }

 /**
  * Generates each row in the contributions list.
  *
  * Contributions which are marked "top" are currently on top of the history.
  * For these contributions, a [rollback] link is shown for users with roll-
  * back privileges. The rollback link restores the most recent version that
  * was not written by the target user.
  *
  * @todo This would probably look a lot nicer in a table.
  * @param $row
  * @return string
  */
 function formatRow($row)
 {
     wfProfileIn(__METHOD__);
     $ret = '';
     $classes = array();
     /*
      * There may be more than just revision rows. To make sure that we'll only be processing
      * revisions here, let's _try_ to build a revision out of our row (without displaying
      * notices though) and then trying to grab data from the built object. If we succeed,
      * we're definitely dealing with revision data and we may proceed, if not, we'll leave it
      * to extensions to subscribe to the hook to parse the row.
      */
     wfSuppressWarnings();
     $rev = new Revision($row);
     $validRevision = $rev->getParentId() !== null;
     wfRestoreWarnings();
     if ($validRevision) {
         $classes = array();
         $page = Title::newFromRow($row);
         $link = Linker::link($page, htmlspecialchars($page->getPrefixedText()), array('class' => 'mw-contributions-title'), $page->isRedirect() ? array('redirect' => 'no') : array());
         # Mark current revisions
         $topmarktext = '';
         $user = $this->getUser();
         if ($row->rev_id == $row->page_latest) {
             $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
             # Add rollback link
             if (!$row->page_is_new && $page->quickUserCan('rollback', $user) && $page->quickUserCan('edit', $user)) {
                 $this->preventClickjacking();
                 $topmarktext .= ' ' . Linker::generateRollback($rev, $this->getContext());
             }
         }
         # Is there a visible previous revision?
         if ($rev->userCan(Revision::DELETED_TEXT, $user) && $rev->getParentId() !== 0) {
             $difftext = Linker::linkKnown($page, $this->messages['diff'], array(), array('diff' => 'prev', 'oldid' => $row->rev_id));
         } else {
             $difftext = $this->messages['diff'];
         }
         $histlink = Linker::linkKnown($page, $this->messages['hist'], array(), array('action' => 'history'));
         if ($row->rev_parent_id === null) {
             // For some reason rev_parent_id isn't populated for this row.
             // Its rumoured this is true on wikipedia for some revisions (bug 34922).
             // Next best thing is to have the total number of bytes.
             $chardiff = ' <span class="mw-changeslist-separator">. .</span> ' . Linker::formatRevisionSize($row->rev_len) . ' <span class="mw-changeslist-separator">. .</span> ';
         } else {
             $parentLen = isset($this->mParentLens[$row->rev_parent_id]) ? $this->mParentLens[$row->rev_parent_id] : 0;
             $chardiff = ' <span class="mw-changeslist-separator">. .</span> ' . ChangesList::showCharacterDifference($parentLen, $row->rev_len, $this->getContext()) . ' <span class="mw-changeslist-separator">. .</span> ';
         }
         $lang = $this->getLanguage();
         $comment = $lang->getDirMark() . Linker::revComment($rev, false, true);
         $date = $lang->userTimeAndDate($row->rev_timestamp, $user);
         if ($rev->userCan(Revision::DELETED_TEXT, $user)) {
             $d = Linker::linkKnown($page, htmlspecialchars($date), array('class' => 'mw-changeslist-date'), array('oldid' => intval($row->rev_id)));
         } else {
             $d = htmlspecialchars($date);
         }
         if ($rev->isDeleted(Revision::DELETED_TEXT)) {
             $d = '<span class="history-deleted">' . $d . '</span>';
         }
         # Show user names for /newbies as there may be different users.
         # Note that we already excluded rows with hidden user names.
         if ($this->contribs == 'newbie') {
             $userlink = ' . . ' . Linker::userLink($rev->getUser(), $rev->getUserText());
             $userlink .= ' ' . $this->msg('parentheses')->rawParams(Linker::userTalkLink($rev->getUser(), $rev->getUserText()))->escaped() . ' ';
         } else {
             $userlink = '';
         }
         if ($rev->getParentId() === 0) {
             $nflag = ChangesList::flag('newpage');
         } else {
             $nflag = '';
         }
         if ($rev->isMinor()) {
             $mflag = ChangesList::flag('minor');
         } else {
             $mflag = '';
         }
         $del = Linker::getRevDeleteLink($user, $rev, $page);
         if ($del !== '') {
             $del .= ' ';
         }
         $diffHistLinks = $this->msg('parentheses')->rawParams($difftext . $this->messages['pipe-separator'] . $histlink)->escaped();
         $ret = "{$del}{$d} {$diffHistLinks}{$chardiff}{$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
         # Denote if username is redacted for this edit
         if ($rev->isDeleted(Revision::DELETED_USER)) {
             $ret .= " <strong>" . $this->msg('rev-deleted-user-contribs')->escaped() . "</strong>";
         }
         # Tags, if any.
         list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow($row->ts_tags, 'contributions');
//.........这里部分代码省略.........

 /**
  * Returns a row from the history printout.
  *
  * @todo document some more, and maybe clean up the code (some params redundant?)
  *
  * @param $row Object: the database row corresponding to the previous line.
  * @param $next Mixed: the database row corresponding to the next line. (chronologically previous)
  * @param $notificationtimestamp
  * @param $latest Boolean: whether this row corresponds to the page's latest revision.
  * @param $firstInList Boolean: whether this row corresponds to the first displayed on this history page.
  * @return String: HTML output for the row
  */
 function historyLine($row, $next, $notificationtimestamp = false, $latest = false, $firstInList = false)
 {
     $rev = new Revision($row);
     $rev->setTitle($this->getTitle());
     if (is_object($next)) {
         $prevRev = new Revision($next);
         $prevRev->setTitle($this->getTitle());
     } else {
         $prevRev = null;
     }
     $curlink = $this->curLink($rev, $latest);
     $lastlink = $this->lastLink($rev, $next);
     $diffButtons = $this->diffButtons($rev, $firstInList);
     $histLinks = Html::rawElement('span', array('class' => 'mw-history-histlinks'), '(' . $curlink . $this->historyPage->message['pipe-separator'] . $lastlink . ') ');
     $s = $histLinks . $diffButtons;
     $link = $this->revLink($rev);
     $classes = array();
     $del = '';
     $user = $this->getUser();
     // Show checkboxes for each revision
     if ($user->isAllowed('deleterevision')) {
         $this->preventClickjacking();
         // If revision was hidden from sysops, disable the checkbox
         if (!$rev->userCan(Revision::DELETED_RESTRICTED, $user)) {
             $del = Xml::check('deleterevisions', false, array('disabled' => 'disabled'));
             // Otherwise, enable the checkbox...
         } else {
             $del = Xml::check('showhiderevisions', false, array('name' => 'ids[' . $rev->getId() . ']'));
         }
         // User can only view deleted revisions...
     } elseif ($rev->getVisibility() && $user->isAllowed('deletedhistory')) {
         // If revision was hidden from sysops, disable the link
         if (!$rev->userCan(Revision::DELETED_RESTRICTED, $user)) {
             $cdel = Linker::revDeleteLinkDisabled(false);
             // Otherwise, show the link...
         } else {
             $query = array('type' => 'revision', 'target' => $this->getTitle()->getPrefixedDbkey(), 'ids' => $rev->getId());
             $del .= Linker::revDeleteLink($query, $rev->isDeleted(Revision::DELETED_RESTRICTED), false);
         }
     }
     if ($del) {
         $s .= " {$del} ";
     }
     $lang = $this->getLanguage();
     $dirmark = $lang->getDirMark();
     $s .= " {$link}";
     $s .= $dirmark;
     $s .= " <span class='history-user'>" . Linker::revUserTools($rev, true) . "</span>";
     $s .= $dirmark;
     if ($rev->isMinor()) {
         $s .= ' ' . ChangesList::flag('minor');
     }
     # Size is always public data
     $prevSize = $prevRev ? $prevRev->getSize() : 0;
     $sDiff = ChangesList::showCharacterDifference($prevSize, $rev->getSize());
     $fSize = Linker::formatRevisionSize($rev->getSize());
     $s .= " . . {$fSize} {$sDiff} . . ";
     $s .= Linker::revComment($rev, false, true);
     if ($notificationtimestamp && $row->rev_timestamp >= $notificationtimestamp) {
         $s .= ' <span class="updatedmarker">' . $this->msg('updatedmarker')->escaped() . '</span>';
     }
     $tools = array();
     # Rollback and undo links
     if ($prevRev && !count($this->getTitle()->getUserPermissionsErrors('edit', $this->getUser()))) {
         if ($latest && !count($this->getTitle()->getUserPermissionsErrors('rollback', $this->getUser()))) {
             $this->preventClickjacking();
             $tools[] = '<span class="mw-rollback-link">' . Linker::buildRollbackLink($rev) . '</span>';
         }
         if (!$rev->isDeleted(Revision::DELETED_TEXT) && !$prevRev->isDeleted(Revision::DELETED_TEXT)) {
             # Create undo tooltip for the first (=latest) line only
             $undoTooltip = $latest ? array('title' => $this->msg('tooltip-undo')->text()) : array();
             $undolink = Linker::linkKnown($this->getTitle(), $this->msg('editundo')->escaped(), $undoTooltip, array('action' => 'edit', 'undoafter' => $prevRev->getId(), 'undo' => $rev->getId()));
             $tools[] = "<span class=\"mw-history-undo\">{$undolink}</span>";
         }
     }
     if ($tools) {
         $s .= ' (' . $lang->pipeList($tools) . ')';
     }
     # Tags
     list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow($row->ts_tags, 'history');
     $classes = array_merge($classes, $newClasses);
     $s .= " {$tagSummary}";
     wfRunHooks('PageHistoryLineEnding', array($this, &$row, &$s, &$classes));
     $attribs = array();
     if ($classes) {
         $attribs['class'] = implode(' ', $classes);
     }
     return Xml::tags('li', $attribs, $s) . "\n";
//.........这里部分代码省略.........

 /**
  * Generates each row in the contributions list.
  *
  * Contributions which are marked "top" are currently on top of the history.
  * For these contributions, a [rollback] link is shown for users with roll-
  * back privileges. The rollback link restores the most recent version that
  * was not written by the target user.
  *
  * @todo This would probably look a lot nicer in a table.
  * @param object $row
  * @return string
  */
 function formatRow($row)
 {
     $ret = '';
     $classes = [];
     /*
      * There may be more than just revision rows. To make sure that we'll only be processing
      * revisions here, let's _try_ to build a revision out of our row (without displaying
      * notices though) and then trying to grab data from the built object. If we succeed,
      * we're definitely dealing with revision data and we may proceed, if not, we'll leave it
      * to extensions to subscribe to the hook to parse the row.
      */
     MediaWiki\suppressWarnings();
     try {
         $rev = new Revision($row);
         $validRevision = (bool) $rev->getId();
     } catch (Exception $e) {
         $validRevision = false;
     }
     MediaWiki\restoreWarnings();
     if ($validRevision) {
         $classes = [];
         $page = Title::newFromRow($row);
         $link = Linker::link($page, htmlspecialchars($page->getPrefixedText()), ['class' => 'mw-contributions-title'], $page->isRedirect() ? ['redirect' => 'no'] : []);
         # Mark current revisions
         $topmarktext = '';
         $user = $this->getUser();
         if ($row->rev_id === $row->page_latest) {
             $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
             $classes[] = 'mw-contributions-current';
             # Add rollback link
             if (!$row->page_is_new && $page->quickUserCan('rollback', $user) && $page->quickUserCan('edit', $user)) {
                 $this->preventClickjacking();
                 $topmarktext .= ' ' . Linker::generateRollback($rev, $this->getContext());
             }
         }
         # Is there a visible previous revision?
         if ($rev->userCan(Revision::DELETED_TEXT, $user) && $rev->getParentId() !== 0) {
             $difftext = Linker::linkKnown($page, $this->messages['diff'], [], ['diff' => 'prev', 'oldid' => $row->rev_id]);
         } else {
             $difftext = $this->messages['diff'];
         }
         $histlink = Linker::linkKnown($page, $this->messages['hist'], [], ['action' => 'history']);
         if ($row->rev_parent_id === null) {
             // For some reason rev_parent_id isn't populated for this row.
             // Its rumoured this is true on wikipedia for some revisions (bug 34922).
             // Next best thing is to have the total number of bytes.
             $chardiff = ' <span class="mw-changeslist-separator">. .</span> ';
             $chardiff .= Linker::formatRevisionSize($row->rev_len);
             $chardiff .= ' <span class="mw-changeslist-separator">. .</span> ';
         } else {
             $parentLen = 0;
             if (isset($this->mParentLens[$row->rev_parent_id])) {
                 $parentLen = $this->mParentLens[$row->rev_parent_id];
             }
             $chardiff = ' <span class="mw-changeslist-separator">. .</span> ';
             $chardiff .= ChangesList::showCharacterDifference($parentLen, $row->rev_len, $this->getContext());
             $chardiff .= ' <span class="mw-changeslist-separator">. .</span> ';
         }
         $lang = $this->getLanguage();
         $comment = $lang->getDirMark() . Linker::revComment($rev, false, true);
         $date = $lang->userTimeAndDate($row->rev_timestamp, $user);
         if ($rev->userCan(Revision::DELETED_TEXT, $user)) {
             $d = Linker::linkKnown($page, htmlspecialchars($date), ['class' => 'mw-changeslist-date'], ['oldid' => intval($row->rev_id)]);
         } else {
             $d = htmlspecialchars($date);
         }
         if ($rev->isDeleted(Revision::DELETED_TEXT)) {
             $d = '<span class="history-deleted">' . $d . '</span>';
         }
         # Show user names for /newbies as there may be different users.
         # Note that we already excluded rows with hidden user names.
         if ($this->contribs == 'newbie') {
             $userlink = ' . . ' . $lang->getDirMark() . Linker::userLink($rev->getUser(), $rev->getUserText());
             $userlink .= ' ' . $this->msg('parentheses')->rawParams(Linker::userTalkLink($rev->getUser(), $rev->getUserText()))->escaped() . ' ';
         } else {
             $userlink = '';
         }
         $flags = [];
         if ($rev->getParentId() === 0) {
             $flags[] = ChangesList::flag('newpage');
         }
         if ($rev->isMinor()) {
             $flags[] = ChangesList::flag('minor');
         }
         $del = Linker::getRevDeleteLink($user, $rev, $page);
         if ($del !== '') {
             $del .= ' ';
         }
//.........这里部分代码省略.........

 /**
  * @param array $args Expects string $old, string $new
  * @param array $named No named arguments expected
  *
  * @return string[]
  * @throws WrongNumberArgumentsException
  */
 public static function showCharacterDifference(array $args, array $named)
 {
     if (count($args) !== 2) {
         throw new WrongNumberArgumentsException($args, 'two');
     }
     list($old, $new) = $args;
     return self::html(\ChangesList::showCharacterDifference($old, $new));
 }

 public function formatRow($row)
 {
     $css = $quality = $underReview = '';
     $title = Title::newFromRow($row);
     $stxt = ChangesList::showCharacterDifference($row->rev_len, $row->page_len);
     # Page links...
     $link = Linker::link($title);
     $hist = Linker::linkKnown($title, wfMsgHtml('hist'), array(), 'action=history');
     $review = Linker::linkKnown($title, wfMsg('pendingchanges-diff'), array(), array('diff' => 'cur', 'oldid' => $row->stable) + FlaggedRevs::diffOnlyCGI());
     # Show quality level if there are several
     if (FlaggedRevs::qualityVersions()) {
         $quality = $row->quality ? wfMsgHtml('revreview-lev-quality') : wfMsgHtml('revreview-lev-basic');
         $quality = " <b>[{$quality}]</b>";
     }
     # Is anybody watching?
     if (!$this->including() && $this->getUser()->isAllowed('unreviewedpages')) {
         $uw = FRUserActivity::numUsersWatchingPage($title);
         $watching = $uw ? wfMsgExt('pendingchanges-watched', 'parsemag', $this->getLang()->formatNum($uw)) : wfMsgHtml('pendingchanges-unwatched');
         $watching = " {$watching}";
     } else {
         $uw = -1;
         $watching = '';
         // leave out data
     }
     # Get how long the first unreviewed edit has been waiting...
     if ($row->pending_since) {
         $firstPendingTime = wfTimestamp(TS_UNIX, $row->pending_since);
         $hours = ($this->currentUnixTS - $firstPendingTime) / 3600;
         // After three days, just use days
         if ($hours > 3 * 24) {
             $days = round($hours / 24, 0);
             $age = wfMsgExt('pendingchanges-days', 'parsemag', $this->getLang()->formatNum($days));
             // If one or more hours, use hours
         } elseif ($hours >= 1) {
             $hours = round($hours, 0);
             $age = wfMsgExt('pendingchanges-hours', 'parsemag', $this->getLang()->formatNum($hours));
         } else {
             $age = wfMsg('pendingchanges-recent');
             // hot off the press :)
         }
         // Oh-noes!
         $css = self::getLineClass($hours, $uw);
         $css = $css ? " class='{$css}'" : "";
     } else {
         $age = "";
         // wtf?
     }
     # Show if a user is looking at this page
     list($u, $ts) = FRUserActivity::getUserReviewingDiff($row->stable, $row->page_latest);
     if ($u !== null) {
         $underReview = ' <span class="fr-under-review">' . wfMsgHtml('pendingchanges-viewing') . '</span>';
     }
     return "<li{$css}>{$link} ({$hist}) {$stxt} ({$review}) <i>{$age}</i>" . "{$quality}{$watching}{$underReview}</li>";
 }