Initial commit
This commit is contained in:
666
content/inc/ChangeLog/ChangeLog.php
Normal file
666
content/inc/ChangeLog/ChangeLog.php
Normal file
@@ -0,0 +1,666 @@
|
||||
<?php
|
||||
|
||||
namespace dokuwiki\ChangeLog;
|
||||
|
||||
/**
|
||||
* methods for handling of changelog of pages or media files
|
||||
*/
|
||||
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);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* 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);
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 $revs;
|
||||
}
|
||||
|
||||
if ($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;
|
||||
} else { // already read all the lines
|
||||
$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) - $first, 0));
|
||||
} elseif ($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;
|
||||
}
|
||||
|
||||
//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 (0 looks up last revision)
|
||||
* @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 ($rev2) {
|
||||
if ($rev2 < $rev1) {
|
||||
$rev = $rev2;
|
||||
$rev2 = $rev1;
|
||||
$rev1 = $rev;
|
||||
}
|
||||
} else {
|
||||
//empty right side means a removed page. Look up last revision.
|
||||
$revs = $this->getRevisions(-1, 1);
|
||||
$rev2 = $revs[0];
|
||||
}
|
||||
//collect revisions around rev2
|
||||
list($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), $max);
|
||||
}
|
||||
|
||||
return array(array_reverse($revs1), array_reverse($revs2));
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Checks if the ID has old revisons
|
||||
* @return boolean
|
||||
*/
|
||||
public function hasRevisions() {
|
||||
$file = $this->getChangelogFilename();
|
||||
return file_exists($file);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns lines from changelog.
|
||||
* If file larger than $chuncksize, only chunck is read that could contain $rev.
|
||||
*
|
||||
* @param int $rev revision timestamp
|
||||
* @return array|false
|
||||
* if success returns array(fp, array(changeloglines), $head, $tail, $eof)
|
||||
* where fp only defined for chuck reading, needs closing.
|
||||
* otherwise false
|
||||
*/
|
||||
protected function readloglines($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 resource $fp resource filepointer
|
||||
* @param int $head start point chunck
|
||||
* @param int $tail end point chunck
|
||||
* @return array lines read from chunck
|
||||
*/
|
||||
protected function readChunk($fp, $head, $tail)
|
||||
{
|
||||
$chunk = '';
|
||||
$chunk_size = max($tail - $head, 0); // found chunk size
|
||||
$got = 0;
|
||||
fseek($fp, $head);
|
||||
while ($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
|
||||
return $lines;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set pointer to first new line after $finger and return its position
|
||||
*
|
||||
* @param resource $fp filepointer
|
||||
* @param int $finger a pointer
|
||||
* @return int pointer
|
||||
*/
|
||||
protected function getNewlinepointer($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());
|
||||
}
|
||||
|
||||
/**
|
||||
* Return an existing revision for a specific date which is
|
||||
* the current one or younger or equal then the date
|
||||
*
|
||||
* @param number $date_at timestamp
|
||||
* @return string revision ('' for current)
|
||||
*/
|
||||
public function getLastRevisionAt($date_at)
|
||||
{
|
||||
//requested date_at(timestamp) younger or equal then modified_time($this->id) => load current
|
||||
if (file_exists($this->getFilename()) && $date_at >= @filemtime($this->getFilename())) {
|
||||
return '';
|
||||
} else {
|
||||
if ($rev = $this->getRelativeRevision($date_at + 1, -1)) { //+1 to get also the requested date revision
|
||||
return $rev;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user