diff options
Diffstat (limited to 'inc')
| -rw-r--r-- | inc/RemoteAPICore.php | 11 | ||||
| -rw-r--r-- | inc/changelog.php | 819 | ||||
| -rw-r--r-- | inc/common.php | 8 | ||||
| -rw-r--r-- | inc/html.php | 105 | ||||
| -rw-r--r-- | inc/lang/en/lang.php | 4 | ||||
| -rw-r--r-- | inc/lang/nl/lang.php | 4 | ||||
| -rw-r--r-- | inc/media.php | 6 | ||||
| -rw-r--r-- | inc/subscription.php | 8 |
8 files changed, 766 insertions, 199 deletions
diff --git a/inc/RemoteAPICore.php b/inc/RemoteAPICore.php index a26c2d0de..ffa03ee93 100644 --- a/inc/RemoteAPICore.php +++ b/inc/RemoteAPICore.php @@ -378,7 +378,8 @@ class RemoteAPICore { throw new RemoteException('The requested page does not exist', 121); } - $info = getRevisionInfo($id, $time, 1024); + $pagelog = new PageChangeLog($id, 1024); + $info = $pagelog->getRevisionInfo($time); $data = array( 'name' => $id, @@ -650,11 +651,12 @@ class RemoteAPICore { throw new RemoteException('Empty page ID', 131); } - $revisions = getRevisions($id, $first, $conf['recent']+1); + $pagelog = new PageChangeLog($id); + $revisions = $pagelog->getRevisions($first, $conf['recent']+1); if(count($revisions)==0 && $first!=0) { $first=0; - $revisions = getRevisions($id, $first, $conf['recent']+1); + $revisions = $pagelog->getRevisions($first, $conf['recent']+1); } if(count($revisions)>0 && $first==0) { @@ -676,7 +678,8 @@ class RemoteAPICore { // case this can lead to less pages being returned than // specified via $conf['recent'] if($time){ - $info = getRevisionInfo($id, $time, 1024); + $pagelog->setChunkSize(1024); + $info = $pagelog->getRevisionInfo($time); if(!empty($info)) { $data['user'] = $info['user']; $data['ip'] = $info['ip']; diff --git a/inc/changelog.php b/inc/changelog.php index 6ff1e0eca..dfcd1f241 100644 --- a/inc/changelog.php +++ b/inc/changelog.php @@ -334,95 +334,678 @@ function _handleRecent($line,$ns,$flags,&$seen){ } /** - * Get the changelog information for a specific page id - * and revision (timestamp). Adjacent changelog lines - * are optimistically parsed and cached to speed up - * consecutive calls to getRevisionInfo. For large - * changelog files, only the chunk containing the - * requested changelog line is read. - * - * @author Ben Coburn <btcoburn@silicodon.net> - * @author Kate Arzamastseva <pshns@ukr.net> + * Class ChangeLog + * methods for handling of changelog of pages or media files */ -function getRevisionInfo($id, $rev, $chunk_size=8192, $media=false) { - global $cache_revinfo; - $cache =& $cache_revinfo; - if (!isset($cache[$id])) { $cache[$id] = array(); } - $rev = max($rev, 0); - - // check if it's already in the memory cache - if (isset($cache[$id]) && isset($cache[$id][$rev])) { - return $cache[$id][$rev]; +abstract class ChangeLog { + + /** @var string */ + protected $id; + /** @var int */ + protected $chunk_size; + /** @var array */ + protected $cache; + + /** + * Constructor + * + * @param string $id page id + * @param int $chunk_size maximum block size read from file + */ + public function __construct($id, $chunk_size = 8192) { + global $cache_revinfo; + + $this->cache =& $cache_revinfo; + if(!isset($this->cache[$id])) { + $this->cache[$id] = array(); + } + + $this->id = $id; + $this->setChunkSize($chunk_size); + } - if ($media) { - $file = mediaMetaFN($id, '.changes'); - } else { - $file = metaFN($id, '.changes'); + /** + * Set chunk size for file reading + * Chunk size zero let read whole file at once + * + * @param int $chunk_size maximum block size read from file + */ + public function setChunkSize($chunk_size) { + if(!is_numeric($chunk_size)) $chunk_size = 0; + + $this->chunk_size = (int) max($chunk_size, 0); } - if (!@file_exists($file)) { return false; } - if (filesize($file)<$chunk_size || $chunk_size==0) { - // read whole file - $lines = file($file); - if ($lines===false) { return false; } - } else { - // read by chunk - $fp = fopen($file, 'rb'); // "file pointer" - if ($fp===false) { return false; } - $head = 0; - fseek($fp, 0, SEEK_END); - $tail = ftell($fp); - $finger = 0; - $finger_rev = 0; - - // find chunk - while ($tail-$head>$chunk_size) { - $finger = $head+floor(($tail-$head)/2.0); - fseek($fp, $finger); - fgets($fp); // slip the finger forward to a new line - $finger = ftell($fp); - $tmp = fgets($fp); // then read at that location - $tmp = parseChangelogLine($tmp); - $finger_rev = $tmp['date']; - if ($finger==$head || $finger==$tail) { break; } - if ($finger_rev>$rev) { - $tail = $finger; - } else { - $head = $finger; + + /** + * Returns path to changelog + * + * @return string path to file + */ + abstract protected function getChangelogFilename(); + + /** + * Returns path to current page/media + * + * @return string path to file + */ + abstract protected function getFilename(); + + /** + * Get the changelog information for a specific page id and revision (timestamp) + * + * Adjacent changelog lines are optimistically parsed and cached to speed up + * consecutive calls to getRevisionInfo. For large changelog files, only the chunk + * containing the requested changelog line is read. + * + * @param int $rev revision timestamp + * @return bool|array false or array with entries: + * - date: unix timestamp + * - ip: IPv4 address (127.0.0.1) + * - type: log line type + * - id: page id + * - user: user name + * - sum: edit summary (or action reason) + * - extra: extra data (varies by line type) + * + * @author Ben Coburn <btcoburn@silicodon.net> + * @author Kate Arzamastseva <pshns@ukr.net> + */ + public function getRevisionInfo($rev) { + $rev = max($rev, 0); + + // check if it's already in the memory cache + if(isset($this->cache[$this->id]) && isset($this->cache[$this->id][$rev])) { + return $this->cache[$this->id][$rev]; + } + + //read lines from changelog + list($fp, $lines) = $this->readloglines($rev); + if($fp) { + fclose($fp); + } + if(empty($lines)) return false; + + // parse and cache changelog lines + foreach($lines as $value) { + $tmp = parseChangelogLine($value); + if($tmp !== false) { + $this->cache[$this->id][$tmp['date']] = $tmp; } } + if(!isset($this->cache[$this->id][$rev])) { + return false; + } + return $this->cache[$this->id][$rev]; + } + + /** + * Return a list of page revisions numbers + * + * Does not guarantee that the revision exists in the attic, + * only that a line with the date exists in the changelog. + * By default the current revision is skipped. + * + * The current revision is automatically skipped when the page exists. + * See $INFO['meta']['last_change'] for the current revision. + * A negative $first let read the current revision too. + * + * For efficiency, the log lines are parsed and cached for later + * calls to getRevisionInfo. Large changelog files are read + * backwards in chunks until the requested number of changelog + * lines are recieved. + * + * @param int $first skip the first n changelog lines + * @param int $num number of revisions to return + * @return array with the revision timestamps + * + * @author Ben Coburn <btcoburn@silicodon.net> + * @author Kate Arzamastseva <pshns@ukr.net> + */ + public function getRevisions($first, $num) { + $revs = array(); + $lines = array(); + $count = 0; + + $num = max($num, 0); + if($num == 0) { + return $revs; + } - if ($tail-$head<1) { - // cound not find chunk, assume requested rev is missing + if($first < 0) { + $first = 0; + } else if(@file_exists($this->getFilename())) { + // skip current revision if the page exists + $first = max($first + 1, 0); + } + + $file = $this->getChangelogFilename(); + + if(!@file_exists($file)) { + return $revs; + } + if(filesize($file) < $this->chunk_size || $this->chunk_size == 0) { + // read whole file + $lines = file($file); + if($lines === false) { + return $revs; + } + } else { + // read chunks backwards + $fp = fopen($file, 'rb'); // "file pointer" + if($fp === false) { + return $revs; + } + fseek($fp, 0, SEEK_END); + $tail = ftell($fp); + + // chunk backwards + $finger = max($tail - $this->chunk_size, 0); + while($count < $num + $first) { + $nl = $this->getNewlinepointer($fp, $finger); + + // was the chunk big enough? if not, take another bite + if($nl > 0 && $tail <= $nl) { + $finger = max($finger - $this->chunk_size, 0); + continue; + } else { + $finger = $nl; + } + + // read chunk + $chunk = ''; + $read_size = max($tail - $finger, 0); // found chunk size + $got = 0; + while($got < $read_size && !feof($fp)) { + $tmp = @fread($fp, max(min($this->chunk_size, $read_size - $got), 0)); + if($tmp === false) { + break; + } //error state + $got += strlen($tmp); + $chunk .= $tmp; + } + $tmp = explode("\n", $chunk); + array_pop($tmp); // remove trailing newline + + // combine with previous chunk + $count += count($tmp); + $lines = array_merge($tmp, $lines); + + // next chunk + if($finger == 0) { + break; + } // already read all the lines + else { + $tail = $finger; + $finger = max($tail - $this->chunk_size, 0); + } + } fclose($fp); + } + + // skip parsing extra lines + $num = max(min(count($lines) - $first, $num), 0); + if ($first > 0 && $num > 0) { $lines = array_slice($lines, max(count($lines) - $first - $num, 0), $num); } + else if($first > 0 && $num == 0) { $lines = array_slice($lines, 0, max(count($lines) - $first, 0)); } + else if($first == 0 && $num > 0) { $lines = array_slice($lines, max(count($lines) - $num, 0)); } + + // handle lines in reverse order + for($i = count($lines) - 1; $i >= 0; $i--) { + $tmp = parseChangelogLine($lines[$i]); + if($tmp !== false) { + $this->cache[$this->id][$tmp['date']] = $tmp; + $revs[] = $tmp['date']; + } + } + + return $revs; + } + + /** + * Get the nth revision left or right handside for a specific page id and revision (timestamp) + * + * For large changelog files, only the chunk containing the + * reference revision $rev is read and sometimes a next chunck. + * + * Adjacent changelog lines are optimistically parsed and cached to speed up + * consecutive calls to getRevisionInfo. + * + * @param int $rev revision timestamp used as startdate (doesn't need to be revisionnumber) + * @param int $direction give position of returned revision with respect to $rev; positive=next, negative=prev + * @return bool|int + * timestamp of the requested revision + * otherwise false + */ + public function getRelativeRevision($rev, $direction) { + $rev = max($rev, 0); + $direction = (int) $direction; + + //no direction given or last rev, so no follow-up + if(!$direction || ($direction > 0 && $this->isCurrentRevision($rev))) { return false; } - // read chunk + //get lines from changelog + list($fp, $lines, $head, $tail, $eof) = $this->readloglines($rev); + if(empty($lines)) return false; + + // look for revisions later/earlier then $rev, when founded count till the wanted revision is reached + // also parse and cache changelog lines for getRevisionInfo(). + $revcounter = 0; + $relativerev = false; + $checkotherchunck = true; //always runs once + while(!$relativerev && $checkotherchunck) { + $tmp = array(); + //parse in normal or reverse order + $count = count($lines); + if($direction > 0) { + $start = 0; + $step = 1; + } else { + $start = $count - 1; + $step = -1; + } + for($i = $start; $i >= 0 && $i < $count; $i = $i + $step) { + $tmp = parseChangelogLine($lines[$i]); + if($tmp !== false) { + $this->cache[$this->id][$tmp['date']] = $tmp; + //look for revs older/earlier then reference $rev and select $direction-th one + if(($direction > 0 && $tmp['date'] > $rev) || ($direction < 0 && $tmp['date'] < $rev)) { + $revcounter++; + if($revcounter == abs($direction)) { + $relativerev = $tmp['date']; + } + } + } + } + + //true when $rev is found, but not the wanted follow-up. + $checkotherchunck = $fp + && ($tmp['date'] == $rev || ($revcounter > 0 && !$relativerev)) + && !(($tail == $eof && $direction > 0) || ($head == 0 && $direction < 0)); + + if($checkotherchunck) { + list($lines, $head, $tail) = $this->readAdjacentChunk($fp, $head, $tail, $direction); + + if(empty($lines)) break; + } + } + if($fp) { + fclose($fp); + } + + return $relativerev; + } + + /** + * Returns revisions around rev1 and rev2 + * When available it returns $max entries for each revision + * + * @param int $rev1 oldest revision timestamp + * @param int $rev2 newest revision timestamp + * @param int $max maximum number of revisions returned + * @return array with two arrays with revisions surrounding rev1 respectively rev2 + */ + public function getRevisionsAround($rev1, $rev2, $max = 50) { + $max = floor(abs($max) / 2)*2 + 1; + $rev1 = max($rev1, 0); + $rev2 = max($rev2, 0); + + if($rev2 < $rev1) { + $rev = $rev2; + $rev2 = $rev1; + $rev1 = $rev; + } + //collect revisions around rev2 + list($revs2, $allrevs, $fp, $lines, $head, $tail) = $this->retrieveRevisionsAround($rev2, $max); + + if(empty($revs2)) return array(array(), array()); + + //collect revisions around rev1 + $index = array_search($rev1, $allrevs); + if($index === false) { + //no overlapping revisions + list($revs1,,,,,) = $this->retrieveRevisionsAround($rev1, $max); + if(empty($revs1)) $revs1 = array(); + } else { + //revisions overlaps, reuse revisions around rev2 + $revs1 = $allrevs; + while($head > 0) { + for($i = count($lines) - 1; $i >= 0; $i--) { + $tmp = parseChangelogLine($lines[$i]); + if($tmp !== false) { + $this->cache[$this->id][$tmp['date']] = $tmp; + $revs1[] = $tmp['date']; + $index++; + + if($index > floor($max / 2)) break 2; + } + } + + list($lines, $head, $tail) = $this->readAdjacentChunk($fp, $head, $tail, -1); + } + sort($revs1); + //return wanted selection + $revs1 = array_slice($revs1, max($index - floor($max/2), 0), $max); + } + + return array($revs1, $revs2); + } + + /** + * Returns lines from changelog. + * If file larger than $chuncksize, only chunck is read that could contain $rev. + * + * @param int $rev revision timestamp + * @return array(fp, array(changeloglines), $head, $tail, $eof)|bool + * returns false when not succeed. fp only defined for chuck reading, needs closing. + */ + protected function readloglines($rev) { + $file = $this->getChangelogFilename(); + + if(!@file_exists($file)) { + return false; + } + + $fp = null; + $head = 0; + $tail = 0; + $eof = 0; + + if(filesize($file) < $this->chunk_size || $this->chunk_size == 0) { + // read whole file + $lines = file($file); + if($lines === false) { + return false; + } + } else { + // read by chunk + $fp = fopen($file, 'rb'); // "file pointer" + if($fp === false) { + return false; + } + $head = 0; + fseek($fp, 0, SEEK_END); + $eof = ftell($fp); + $tail = $eof; + + // find chunk + while($tail - $head > $this->chunk_size) { + $finger = $head + floor(($tail - $head) / 2.0); + $finger = $this->getNewlinepointer($fp, $finger); + $tmp = fgets($fp); + if($finger == $head || $finger == $tail) { + break; + } + $tmp = parseChangelogLine($tmp); + $finger_rev = $tmp['date']; + + if($finger_rev > $rev) { + $tail = $finger; + } else { + $head = $finger; + } + } + + if($tail - $head < 1) { + // cound not find chunk, assume requested rev is missing + fclose($fp); + return false; + } + + $lines = $this->readChunk($fp, $head, $tail); + } + return array( + $fp, + $lines, + $head, + $tail, + $eof + ); + } + + /** + * Read chunk and return array with lines of given chunck. + * Has no check if $head and $tail are really at a new line + * + * @param $fp resource filepointer + * @param $head int start point chunck + * @param $tail int end point chunck + * @return array lines read from chunck + */ + protected function readChunk($fp, $head, $tail) { $chunk = ''; - $chunk_size = max($tail-$head, 0); // found chunk size + $chunk_size = max($tail - $head, 0); // found chunk size $got = 0; fseek($fp, $head); - while ($got<$chunk_size && !feof($fp)) { - $tmp = @fread($fp, max($chunk_size-$got, 0)); - if ($tmp===false) { break; } //error state + while($got < $chunk_size && !feof($fp)) { + $tmp = @fread($fp, max(min($this->chunk_size, $chunk_size - $got), 0)); + if($tmp === false) { //error state + break; + } $got += strlen($tmp); $chunk .= $tmp; } $lines = explode("\n", $chunk); array_pop($lines); // remove trailing newline - fclose($fp); + return $lines; } - // parse and cache changelog lines - foreach ($lines as $value) { - $tmp = parseChangelogLine($value); - if ($tmp!==false) { - $cache[$id][$tmp['date']] = $tmp; + /** + * Set pointer to first new line after $finger and return its position + * + * @param resource $fp filepointer + * @param $finger int a pointer + * @return int pointer + */ + protected function getNewlinepointer($fp, $finger) { + fseek($fp, $finger); + $nl = $finger; + if($finger > 0) { + fgets($fp); // slip the finger forward to a new line + $nl = ftell($fp); } + return $nl; + } + + /** + * Check whether given revision is the current page + * + * @param int $rev timestamp of current page + * @return bool true if $rev is current revision, otherwise false + */ + public function isCurrentRevision($rev) { + return $rev == @filemtime($this->getFilename()); + } + + /** + * Returns the next lines of the changelog of the chunck before head or after tail + * + * @param resource $fp filepointer + * @param int $head position head of last chunk + * @param int $tail position tail of last chunk + * @param int $direction positive forward, negative backward + * @return array with entries: + * - $lines: changelog lines of readed chunk + * - $head: head of chunk + * - $tail: tail of chunk + */ + protected function readAdjacentChunk($fp, $head, $tail, $direction) { + if(!$fp) return array(array(), $head, $tail); + + if($direction > 0) { + //read forward + $head = $tail; + $tail = $head + floor($this->chunk_size * (2 / 3)); + $tail = $this->getNewlinepointer($fp, $tail); + } else { + //read backward + $tail = $head; + $head = max($tail - $this->chunk_size, 0); + while(true) { + $nl = $this->getNewlinepointer($fp, $head); + // was the chunk big enough? if not, take another bite + if($nl > 0 && $tail <= $nl) { + $head = max($head - $this->chunk_size, 0); + } else { + $head = $nl; + break; + } + } + } + + //load next chunck + $lines = $this->readChunk($fp, $head, $tail); + return array($lines, $head, $tail); + } + + /** + * Collect the $max revisions near to the timestamp $rev + * + * @param int $rev revision timestamp + * @param int $max maximum number of revisions to be returned + * @return bool|array + * return array with entries: + * - $requestedrevs: array of with $max revision timestamps + * - $revs: all parsed revision timestamps + * - $fp: filepointer only defined for chuck reading, needs closing. + * - $lines: non-parsed changelog lines before the parsed revisions + * - $head: position of first readed changelogline + * - $lasttail: position of end of last readed changelogline + * otherwise false + */ + protected function retrieveRevisionsAround($rev, $max) { + //get lines from changelog + list($fp, $lines, $starthead, $starttail, $eof) = $this->readloglines($rev); + if(empty($lines)) return false; + + //parse chunk containing $rev, and read forward more chunks until $max/2 is reached + $head = $starthead; + $tail = $starttail; + $revs = array(); + $aftercount = $beforecount = 0; + while(count($lines) > 0) { + foreach($lines as $line) { + $tmp = parseChangelogLine($line); + if($tmp !== false) { + $this->cache[$this->id][$tmp['date']] = $tmp; + $revs[] = $tmp['date']; + if($tmp['date'] >= $rev) { + //count revs after reference $rev + $aftercount++; + if($aftercount == 1) $beforecount = count($revs); + } + //enough revs after reference $rev? + if($aftercount > floor($max / 2)) break 2; + } + } + //retrieve next chunk + list($lines, $head, $tail) = $this->readAdjacentChunk($fp, $head, $tail, 1); + } + if($aftercount == 0) return false; + + $lasttail = $tail; + + //read additional chuncks backward until $max/2 is reached and total number of revs is equal to $max + $lines = array(); + $i = 0; + if($aftercount > 0) { + $head = $starthead; + $tail = $starttail; + while($head > 0) { + list($lines, $head, $tail) = $this->readAdjacentChunk($fp, $head, $tail, -1); + + for($i = count($lines) - 1; $i >= 0; $i--) { + $tmp = parseChangelogLine($lines[$i]); + if($tmp !== false) { + $this->cache[$this->id][$tmp['date']] = $tmp; + $revs[] = $tmp['date']; + $beforecount++; + //enough revs before reference $rev? + if($beforecount > max(floor($max / 2), $max - $aftercount)) break 2; + } + } + } + } + sort($revs); + + //keep only non-parsed lines + $lines = array_slice($lines, 0, $i); + //trunk desired selection + $requestedrevs = array_slice($revs, -$max, $max); + + return array($requestedrevs, $revs, $fp, $lines, $head, $lasttail); + } +} + +/** + * Class PageChangelog handles changelog of a wiki page + */ +class PageChangelog extends ChangeLog { + + /** + * Returns path to changelog + * + * @return string path to file + */ + protected function getChangelogFilename() { + return metaFN($this->id, '.changes'); + } + + /** + * Returns path to current page/media + * + * @return string path to file + */ + protected function getFilename() { + return wikiFN($this->id); + } +} + +/** + * Class MediaChangelog handles changelog of a media file + */ +class MediaChangelog extends ChangeLog { + + /** + * Returns path to changelog + * + * @return string path to file + */ + protected function getChangelogFilename() { + return mediaMetaFN($this->id, '.changes'); + } + + /** + * Returns path to current page/media + * + * @return string path to file + */ + protected function getFilename() { + return mediaFN($this->id); } - if (!isset($cache[$id][$rev])) { return false; } - return $cache[$id][$rev]; +} + +/** + * Get the changelog information for a specific page id + * and revision (timestamp). Adjacent changelog lines + * are optimistically parsed and cached to speed up + * consecutive calls to getRevisionInfo. For large + * changelog files, only the chunk containing the + * requested changelog line is read. + * + * @deprecated 20-11-2013 + * + * @author Ben Coburn <btcoburn@silicodon.net> + * @author Kate Arzamastseva <pshns@ukr.net> + */ +function getRevisionInfo($id, $rev, $chunk_size = 8192, $media = false) { + if($media) { + $changelog = new MediaChangeLog($id, $chunk_size); + } else { + $changelog = new PageChangeLog($id, $chunk_size); + } + return $changelog->getRevisionInfo($rev); } /** @@ -443,106 +1026,16 @@ function getRevisionInfo($id, $rev, $chunk_size=8192, $media=false) { * backwards in chunks until the requested number of changelog * lines are recieved. * + * @deprecated 20-11-2013 + * * @author Ben Coburn <btcoburn@silicodon.net> * @author Kate Arzamastseva <pshns@ukr.net> */ -function getRevisions($id, $first, $num, $chunk_size=8192, $media=false) { - global $cache_revinfo; - $cache =& $cache_revinfo; - if (!isset($cache[$id])) { $cache[$id] = array(); } - - $revs = array(); - $lines = array(); - $count = 0; - if ($media) { - $file = mediaMetaFN($id, '.changes'); +function getRevisions($id, $first, $num, $chunk_size = 8192, $media = false) { + if($media) { + $changelog = new MediaChangeLog($id, $chunk_size); } else { - $file = metaFN($id, '.changes'); - } - $num = max($num, 0); - if ($num == 0) { return $revs; } - - $chunk_size = max($chunk_size, 0); - if ($first<0) { - $first = 0; - } else if (!$media && @file_exists(wikiFN($id)) || $media && @file_exists(mediaFN($id))) { - // skip current revision if the page exists - $first = max($first+1, 0); + $changelog = new PageChangeLog($id, $chunk_size); } - - if (!@file_exists($file)) { return $revs; } - if (filesize($file)<$chunk_size || $chunk_size==0) { - // read whole file - $lines = file($file); - if ($lines===false) { return $revs; } - } else { - // read chunks backwards - $fp = fopen($file, 'rb'); // "file pointer" - if ($fp===false) { return $revs; } - fseek($fp, 0, SEEK_END); - $tail = ftell($fp); - - // chunk backwards - $finger = max($tail-$chunk_size, 0); - while ($count<$num+$first) { - fseek($fp, $finger); - $nl = $finger; - if ($finger>0) { - fgets($fp); // slip the finger forward to a new line - $nl = ftell($fp); - } - - // was the chunk big enough? if not, take another bite - if($nl > 0 && $tail <= $nl){ - $finger = max($finger-$chunk_size, 0); - continue; - }else{ - $finger = $nl; - } - - // read chunk - $chunk = ''; - $read_size = max($tail-$finger, 0); // found chunk size - $got = 0; - while ($got<$read_size && !feof($fp)) { - $tmp = @fread($fp, max($read_size-$got, 0)); - if ($tmp===false) { break; } //error state - $got += strlen($tmp); - $chunk .= $tmp; - } - $tmp = explode("\n", $chunk); - array_pop($tmp); // remove trailing newline - - // combine with previous chunk - $count += count($tmp); - $lines = array_merge($tmp, $lines); - - // next chunk - if ($finger==0) { break; } // already read all the lines - else { - $tail = $finger; - $finger = max($tail-$chunk_size, 0); - } - } - fclose($fp); - } - - // skip parsing extra lines - $num = max(min(count($lines)-$first, $num), 0); - if ($first>0 && $num>0) { $lines = array_slice($lines, max(count($lines)-$first-$num, 0), $num); } - else if ($first>0 && $num==0) { $lines = array_slice($lines, 0, max(count($lines)-$first, 0)); } - else if ($first==0 && $num>0) { $lines = array_slice($lines, max(count($lines)-$num, 0)); } - - // handle lines in reverse order - for ($i = count($lines)-1; $i >= 0; $i--) { - $tmp = parseChangelogLine($lines[$i]); - if ($tmp!==false) { - $cache[$id][$tmp['date']] = $tmp; - $revs[] = $tmp['date']; - } - } - - return $revs; + return $changelog->getRevisions($first, $num); } - - diff --git a/inc/common.php b/inc/common.php index 32771285b..7821cb3de 100644 --- a/inc/common.php +++ b/inc/common.php @@ -187,13 +187,14 @@ function pageinfo() { $info['meta'] = p_get_metadata($ID); //who's the editor + $pagelog = new PageChangeLog($ID, 1024); if($REV) { - $revinfo = getRevisionInfo($ID, $REV, 1024); + $revinfo = $pagelog->getRevisionInfo($REV); } else { if(is_array($info['meta']['last_change'])) { $revinfo = $info['meta']['last_change']; } else { - $revinfo = getRevisionInfo($ID, $info['lastmod'], 1024); + $revinfo = $pagelog->getRevisionInfo($info['lastmod']); // cache most recent changelog line in metadata if missing and still valid if($revinfo !== false) { $info['meta']['last_change'] = $revinfo; @@ -1059,8 +1060,9 @@ function saveWikiText($id, $text, $summary, $minor = false) { $wasRemoved = (trim($text) == ''); // check for empty or whitespace only $wasCreated = !@file_exists($file); $wasReverted = ($REV == true); + $pagelog = new PageChangeLog($id, 1024); $newRev = false; - $oldRev = getRevisions($id, -1, 1, 1024); // from changelog + $oldRev = $pagelog->getRevisions(-1, 1); // from changelog $oldRev = (int) (empty($oldRev) ? 0 : $oldRev[0]); if(!@file_exists(wikiFN($id, $old)) && @file_exists($file) && $old >= $oldRev) { // add old revision to the attic if missing diff --git a/inc/html.php b/inc/html.php index 928991ae2..3e239cac3 100644 --- a/inc/html.php +++ b/inc/html.php @@ -414,20 +414,23 @@ function html_revisions($first=0, $media_id = false){ global $conf; global $lang; $id = $ID; + if ($media_id) { + $id = $media_id; + $changelog = new MediaChangeLog($id); + } else { + $changelog = new PageChangeLog($id); + } + /* we need to get one additional log entry to be able to * decide if this is the last page or is there another one. * see html_recent() */ - if (!$media_id) $revisions = getRevisions($ID, $first, $conf['recent']+1); - else { - $revisions = getRevisions($media_id, $first, $conf['recent']+1, 8192, true); - $id = $media_id; - } + + $revisions = $changelog->getRevisions($first, $conf['recent']+1); if(count($revisions)==0 && $first!=0){ $first=0; - if (!$media_id) $revisions = getRevisions($ID, $first, $conf['recent']+1); - else $revisions = getRevisions($media_id, $first, $conf['recent']+1, 8192, true); + $revisions = $changelog->getRevisions($first, $conf['recent']+1); } $hasNext = false; if (count($revisions)>$conf['recent']) { @@ -486,15 +489,18 @@ function html_revisions($first=0, $media_id = false){ $form->addElement(form_makeCloseTag('span')); } + $changelog->setChunkSize(1024); + $form->addElement(form_makeOpenTag('span', array('class' => 'user'))); - if (!$media_id) $editor = $INFO['editor']; - else { - $revinfo = getRevisionInfo($id, @filemtime(fullpath(mediaFN($id))), 1024, true); - if($revinfo['user']){ + if($media_id) { + $revinfo = $changelog->getRevisionInfo(@filemtime(fullpath(mediaFN($id)))); + if($revinfo['user']) { $editor = $revinfo['user']; - }else{ + } else { $editor = $revinfo['ip']; } + } else { + $editor = $INFO['editor']; } $form->addElement((empty($editor))?('('.$lang['external_edit'].')'):editorinfo($editor)); $form->addElement(form_makeCloseTag('span')); @@ -509,12 +515,11 @@ function html_revisions($first=0, $media_id = false){ foreach($revisions as $rev){ $date = dformat($rev); - if (!$media_id) { - $info = getRevisionInfo($id,$rev,true); - $exists = page_exists($id,$rev); - } else { - $info = getRevisionInfo($id,$rev,true,true); - $exists = @file_exists(mediaFN($id,$rev)); + $info = $changelog->getRevisionInfo($rev); + if($media_id) { + $exists = @file_exists(mediaFN($id, $rev)); + } else { + $exists = page_exists($id, $rev); } if ($info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) @@ -706,7 +711,8 @@ function html_recent($first=0, $show_changes='both'){ $href = ''; if ($recent['media']) { - $diff = (count(getRevisions($recent['id'], 0, 1, 8192, true)) && @file_exists(mediaFN($recent['id']))); + $medialog = new MediaChangeLog($recent['id']); + $diff = (count($medialog->getRevisions(0, 1)) && @file_exists(mediaFN($recent['id']))); if ($diff) { $href = media_managerURL(array('tab_details' => 'history', 'mediado' => 'diff', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&'); @@ -1008,10 +1014,15 @@ function html_diff_head($l_rev, $r_rev, $id = null, $media = false, $inline = fa $ml_or_wl = $media ? 'ml' : 'wl'; $l_minor = $r_minor = ''; + if($media) { + $changelog = new MediaChangeLog($id); + } else { + $changelog = new PageChangeLog($id); + } if(!$l_rev){ $l_head = '—'; }else{ - $l_info = getRevisionInfo($id,$l_rev,true, $media); + $l_info = $changelog->getRevisionInfo($l_rev); if($l_info['user']){ $l_user = '<bdi>'.editorinfo($l_info['user']).'</bdi>'; if(auth_ismanager()) $l_user .= ' <bdo dir="ltr">('.$l_info['ip'].')</bdo>'; @@ -1029,7 +1040,7 @@ function html_diff_head($l_rev, $r_rev, $id = null, $media = false, $inline = fa } if($r_rev){ - $r_info = getRevisionInfo($id,$r_rev,true, $media); + $r_info = $changelog->getRevisionInfo($r_rev); if($r_info['user']){ $r_user = '<bdi>'.editorinfo($r_info['user']).'</bdi>'; if(auth_ismanager()) $r_user .= ' <bdo dir="ltr">('.$r_info['ip'].')</bdo>'; @@ -1045,7 +1056,7 @@ function html_diff_head($l_rev, $r_rev, $id = null, $media = false, $inline = fa $r_head_title.'</a></bdi>'. $head_separator.$r_user.' '.$r_sum; }elseif($_rev = @filemtime($media_or_wikiFN($id))){ - $_info = getRevisionInfo($id,$_rev,true, $media); + $_info = $changelog->getRevisionInfo($_rev); if($_info['user']){ $_user = '<bdi>'.editorinfo($_info['user']).'</bdi>'; if(auth_ismanager()) $_user .= ' <bdo dir="ltr">('.$_info['ip'].')</bdo>'; @@ -1082,6 +1093,7 @@ function html_diff($text='',$intro=true,$type=null){ global $lang; global $INPUT; global $INFO; + $pagelog = new PageChangeLog($ID); if(!$type) { $type = $INPUT->str('difftype'); @@ -1140,7 +1152,7 @@ function html_diff($text='',$intro=true,$type=null){ $l_rev = $rev1; }else{ // no revision was given, compare previous to current $r_rev = ''; - $revs = getRevisions($ID, 0, 1); + $revs = $pagelog->getRevisions(0, 1); $l_rev = $revs[0]; $REV = $l_rev; // store revision back in $REV } @@ -1153,6 +1165,18 @@ function html_diff($text='',$intro=true,$type=null){ } $r_text = rawWiki($ID,$r_rev); + //look for previous/next revision + if($r_rev) { + $next_rev = $pagelog->getRelativeRevision($r_rev, 1); + } else { + $next_rev = false; + } + if($l_rev) { + $prev_rev = $pagelog->getRelativeRevision($l_rev, -1); + } else { + $prev_rev = false; + } + list($l_head, $r_head, $l_minor, $r_minor) = html_diff_head($l_rev, $r_rev, null, false, $type == 'inline'); } @@ -1192,7 +1216,40 @@ function html_diff($text='',$intro=true,$type=null){ 'rev2[1]' => $r_rev, 'difftype' => $type, )); - ptln('<p><a class="wikilink1" href="'.$diffurl.'">'.$lang['difflink'].'</a></p>'); + ptln('<p><a class="wikilink1" href="'.$diffurl.'">'.$lang['difflink'].'</a><br />'); + if($prev_rev){ + $diffurlprev = wl($ID, array( + 'do' => 'diff', + 'rev2[0]' => $prev_rev, + 'rev2[1]' => $l_rev, + 'difftype' => $type, + )); + ptln('<a class="wikilink1" href="'.$diffurlprev.'">← '.$lang['diffpreviousedit'].'</a> - '); + } + $recenturl = wl($ID, array( + 'do' => 'revisions' + )); + ptln('<a class="wikilink1" href="'.$recenturl.'">'.$lang['overviewrevs'].'</a>'); + if($next_rev){ + if($pagelog->isCurrentRevision($next_rev)) { + $diffurlnextparam = array( + 'do' => 'diff', + 'rev' => $r_rev, + 'difftype' => $type, + ); + $navnexttitle = $lang['difflastedit']; + } else { + $diffurlnextparam = array( + 'do' => 'diff', + 'rev2[0]' => $r_rev, + 'rev2[1]' => $next_rev, + 'difftype' => $type, + ); + $navnexttitle = $lang['diffnextedit']; + } + ptln(' - <a class="wikilink1" href="'.wl($ID, $diffurlnextparam).'">'.$navnexttitle.' →</a>'); + } + ptln('</p>'); ptln('</div>'); } ?> diff --git a/inc/lang/en/lang.php b/inc/lang/en/lang.php index cbdef8661..6c531f425 100644 --- a/inc/lang/en/lang.php +++ b/inc/lang/en/lang.php @@ -191,6 +191,10 @@ $lang['difflink'] = 'Link to this comparison view'; $lang['diff_type'] = 'View differences:'; $lang['diff_inline'] = 'Inline'; $lang['diff_side'] = 'Side by Side'; +$lang['diffpreviousedit'] = 'Previous edit'; +$lang['diffnextedit'] = 'Next edit'; +$lang['difflastedit'] = 'Last edit'; +$lang['overviewrevs'] = 'Overview of revisions'; $lang['line'] = 'Line'; $lang['breadcrumb'] = 'Trace'; $lang['youarehere'] = 'You are here'; diff --git a/inc/lang/nl/lang.php b/inc/lang/nl/lang.php index e5e3e3c76..4a0a49306 100644 --- a/inc/lang/nl/lang.php +++ b/inc/lang/nl/lang.php @@ -197,6 +197,10 @@ $lang['difflink'] = 'Link naar deze vergelijking'; $lang['diff_type'] = 'Bekijk verschillen:'; $lang['diff_inline'] = 'Inline'; $lang['diff_side'] = 'Zij aan zij'; +$lang['diffpreviousedit'] = 'Vorige bewerking'; +$lang['diffnextedit'] = 'Volgende bewerking'; +$lang['difflastedit'] = 'Laatste bewerking'; +$lang['overviewrevs'] = 'Overzicht van revisies'; $lang['line'] = 'Regel'; $lang['breadcrumb'] = 'Spoor'; $lang['youarehere'] = 'Je bent hier'; diff --git a/inc/media.php b/inc/media.php index 93662ec17..8fb67c31d 100644 --- a/inc/media.php +++ b/inc/media.php @@ -501,7 +501,8 @@ function media_saveOldRevision($id){ $date = filemtime($oldf); if (!$conf['mediarevisions']) return $date; - if (!getRevisionInfo($id, $date, 8192, true)) { + $medialog = new MediaChangeLog($id); + if (!$medialog->getRevisionInfo($date)) { // there was an external edit, // there is no log entry for current version of file if (!@file_exists(mediaMetaFN($id,'.changes'))) { @@ -1077,7 +1078,8 @@ function media_diff($image, $ns, $auth, $fromajax = false) { $l_rev = $rev1; }else{ // no revision was given, compare previous to current $r_rev = ''; - $revs = getRevisions($image, 0, 1, 8192, true); + $medialog = new MediaChangeLog($image); + $revs = $medialog->getRevisions(0, 1); if (file_exists(mediaFN($image, $revs[0]))) { $l_rev = $revs[0]; } else { diff --git a/inc/subscription.php b/inc/subscription.php index ddf2f39e6..e6fb23f63 100644 --- a/inc/subscription.php +++ b/inc/subscription.php @@ -288,7 +288,7 @@ class Subscription { public function send_bulk($page) { if(!$this->isenabled()) return 0; - /** @var auth_basic $auth */ + /** @var DokuWiki_Auth_Plugin $auth */ global $auth; global $conf; global $USERINFO; @@ -336,7 +336,8 @@ class Subscription { while(!is_null($rev) && $rev['date'] >= $lastupdate && ($_SERVER['REMOTE_USER'] === $rev['user'] || $rev['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT)) { - $rev = getRevisions($rev['id'], $n++, 1); + $pagelog = new PageChangeLog($rev['id']); + $rev = $pagelog->getRevisions($n++, 1); $rev = (count($rev) > 0) ? $rev[0] : null; } @@ -515,9 +516,10 @@ class Subscription { * @return bool */ protected function send_digest($subscriber_mail, $id, $lastupdate) { + $pagelog = new PageChangeLog($id); $n = 0; do { - $rev = getRevisions($id, $n++, 1); + $rev = $pagelog->getRevisions($n++, 1); $rev = (count($rev) > 0) ? $rev[0] : null; } while(!is_null($rev) && $rev > $lastupdate); |