*/
if(!defined('DOKU_INC')) die();
if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
require_once(DOKU_PLUGIN.'admin.php');
require_once(dirname(__FILE__).'/latexinc.php');
/**
* All DokuWiki plugins to extend the admin function
* need to inherit from this class
*/
class admin_plugin_latex extends DokuWiki_Admin_Plugin {
var $output;
/**
* return some info
*/
function getInfo(){
$a = '';
if(method_exists(DokuWiki_Admin_Plugin,"getInfo")) {
$a = parent::getInfo(); /// this will grab the data from the plugin.info.txt
$a['name'] = 'LaTeX plugin administration';
return $a;
} else
// Otherwise return some hardcoded data for old dokuwikis
return array(
'author' => 'Alexander Kraus, Michael Boyle, and Mark Lundeberg)',
'email' => '.',
'date' => '???',
'name' => 'LaTeX plugin',
'desc' => 'LaTeX rendering plugin; requires LaTeX, dvips, ImageMagick.',
'url' => 'http://www.dokuwiki.org/plugin:latex'
);
}
/**
* return sort order for position in admin menu
*/
function getMenuSort() {
return 999;
}
// Purgers.
function vio_atime($fname) {
if(time() - fileatime($fname) - $this->_timelimit > 0)
{
unlink($fname);
return $this->_timelimit;
}
return false;
}
function vio_mtime($fname) {
if(time() - filemtime($fname) - $this->_timelimit > 0)
{
unlink($fname);
return true;
}
return false;
}
function vio_all($fname) {
unlink($fname);
return true;
}
// purge all files older than $timelimit (in seconds)
// $mode =
// atime: age based on fileatime().
// mtime: age based on filemtime().
// all: delete all cached files.
function latexpurge($mode, $timelimit)
{
global $conf, $config_cascade;
$meddir = $conf['mediadir'] . '/' . strtr($this->getConf('latex_namespace'),':','/');
$images = glob($meddir.'/img*');
$this->_timelimit = $timelimit;
switch($mode) {
case 'atime':
$vio = array_map(array($this,'vio_atime'),$images);
break;
case 'mtime':
$vio = array_map(array($this,'vio_mtime'),$images);
break;
case 'all':
$vio = array_map(array($this,'vio_all'),$images);
break;
default:
return false;
}
return array_combine($images,$vio);
}
/**
* handle user request
*/
function handle() {
global $conf, $config_cascade;
$this->output = "";
if(isset($_POST['latexpurge']))
{
$mode = $_POST['purgemode'];
$days = $_POST['purgedays'];
if(is_numeric($days) && $days == 0)
$mode = 'all';
if($mode == 'all') {
// If the admin wants to delete all of the images, probably it's good to print this reminder
// since they are likely doing it after changing the colour or something.
// (I don't know how many hours I spent trying to fix LaTeX heisenbugs that were just cached... grr.)
$this->output .= ''.$this->getLang('refresh_note').'
';
}
$numdeleted = 0;
$numkept = 0;
$this->output .= "Purge result ([x] = deleted):\n";
if($mode == 'all' || (is_numeric($days) && $days >= 0)) {
$res = $this->latexpurge($mode, $days*86400);
foreach($res as $img => $vio){
if($vio) {
$this->output .= '[x] '.$img . "\n";
$numdeleted += 1;
} else {
// $this->output .= '[ ] '.$img . "\n";
$numkept += 1;
}
}
} else {
$this->output = "Purger: Bad form inputs. No action taken.
".$this->output;
}
$this->output .= "Totals: $numdeleted deleted, $numkept kept (kept files not shown).\n";
if ($numdeleted > 0) {
touch($config_cascade['main']['local']);
}
$this->output .= "";
}
}
/**
* output appropriate html
*/
function html() {
global $ID,$INFO;
ptln(''.$this->output.'
');
ptln('LaTeX plugin administrator tasks
');
ptln(''.$this->getLang('legend_purge').'
');
ptln('');
////////////// PURGE FORM
ptln('
');
ptln('
LaTeX troubleshooter
');
ptln('');
ptln('');
ptln('
');
if($_REQUEST['dotest']) {
ptln('Versions
');
ptln('');
ptln('This is a test of the acessibility of your programs and their versions.');
ptln('
');
ptln('| command | output |
|---|
');
foreach(array($this->getConf("latex_path"),$this->getConf("dvips_path"),
$this->getConf("convert_path"),$this->getConf("identify_path")) as $path) {
ptln('');
$cmd = $path." --version 2>&1";
echo htmlspecialchars($cmd);
ptln(' | ');
unset($execout);
exec($cmd,$execout,$statuscode);
if($statuscode == 0)
echo '';
else
echo ''; //pink for error status
echo htmlspecialchars(implode(PHP_EOL,$execout));
ptln(' |
');
}
ptln('
');
ptln('
Test run
');
$plug = new syntax_plugin_latex_common();
/// Directory sanity checks
if(is_writable($plug->_latex->getPicturePath()) && is_dir($plug->_latex->getPicturePath()))
ptln('Media directory is writable: '.$plug->_latex->getPicturePath().'
');
else
ptln('Media directory not writable or nonexistant! '.$plug->_latex->getPicturePath().'
Recommendation: This media namespace must be writable on the file system.
');
if(is_writable($plug->_latex->_tmp_dir) && is_dir($plug->_latex->_tmp_dir))
ptln('Temporary directory is writable: '.$plug->_latex->_tmp_dir.'
');
else
ptln('Temporary directory not writable or nonexistant! '.$plug->_latex->_tmp_dir.'
Recommendation: This media namespace must be writable on the file system.
');
// simulate a call to the syntax plugin; force render, keep temp files.
$md5 = md5($testformula);
$outname = $plug->_latex->getPicturePath()."/img".$md5.'.'.$plug->_latex->_image_format;
if(file_exists($outname)) {
if(unlink($outname))
ptln('Removed cache file for test: '.$outname.'
WARNING: You may need to refresh your browser\'s cache to see changes in the resulting image.
');
else
ptln('Could not remove cached file for test! '.$outname.'
the following tests will not work (renderer will just reuse the cached file)
');
}
ptln('Attempting to render to target '.$outname.'
');
$plug->_latex->_keep_tmp = true;
$plug->_latex->_cmdoutput = ''; // activate command log.
$data = array($testformula,DOKU_LEXER_UNMATCHED,'class'=>"latex_inline", 'title'=>"Math", NULL);
$this->doc = '';
$xhtml = new Doku_Renderer_xhtml();
$plug->render('xhtml', $xhtml, $data);
$tmpw = $this->getConf('latex_namespace').':tmp:'.$plug->_latex->_tmp_filename;
$tmpf = $plug->_latex->_tmp_dir."/".$plug->_latex->_tmp_filename;
$tmpext = array('tex','log','aux','dvi','ps',$plug->_latex->_image_format);
foreach($tmpext as $ext) {
$fname = $tmpf.'.'.$ext;
if(is_file($fname)) {
if(isset($_REQUEST['keep_tmp'])) {
$rendstr = $plug->render('xhtml', $xhtml, '{{'.$tmpw.'.'.$ext.'?linkonly&nocache|'.$fname.'}}');
$rendstr = preg_replace('/<\\/?p>/','',$rendstr);
} else
$rendstr = $fname;
ptln('File created: '.$rendstr.'
');
} else
ptln('File missing! '.$fname.'
');
}
if(! isset($_REQUEST['keep_tmp']))
ptln('These files '.$tmpf.'.* will be deleted at the end of this script.
');
if(is_file($outname))
ptln('Successfully moved to media: '.$outname.'
');
else
ptln('File missing from media! '.$outname.'
');
ptln('');
ptln('
| Input LaTeX file | Final result |
|---|
');
ptln('');
if(is_readable($tmpf.'.tex') && is_file($tmpf.'.tex'))
echo htmlspecialchars(file_get_contents($tmpf.'.tex'));
else
echo 'MISSING';
ptln(' | ');
// ptln(htmlspecialchars($plug->_url));
// ptln('
');
ptln('');
ptln($this->doc);
ptln(' |
');
ptln('
');
ptln('Command log:');
echo '
';
echo $plug->_latex->_cmdoutput;
echo '
';
ptln('Contents of '.$tmpf.'.log:');
echo '
';
echo htmlspecialchars(file_get_contents($tmpf.'.log'));
echo '
';
if(! isset($_REQUEST['keep_tmp']))
$plug->_latex->cleanTemporaryDirectory();
ptln('