skodak
73 lines
2.4 KiB
PHP
73 lines
2.4 KiB
PHP
<?php //$Id$
|
|
|
|
function tex_filter_get_executable($debug=false) {
|
|
global $CFG;
|
|
|
|
$error_message1 = "Your system is not configured to run mimeTeX. You need to download the appropriate<br />"
|
|
."executable for you ".PHP_OS." platform from <a href=\"http://moodle.org/download/mimetex/\">"
|
|
."http://moodle.org/download/mimetex/</a>, or obtain the C source<br /> "
|
|
."from <a href=\"http://www.forkosh.com/mimetex.zip\">"
|
|
."http://www.forkosh.com/mimetex.zip</a>, compile it and "
|
|
."put the executable into your<br /> moodle/filter/tex/ directory.";
|
|
|
|
$error_message2 = "Custom mimetex is not executable!<br /><br />";
|
|
|
|
if ((PHP_OS == "WINNT") || (PHP_OS == "WIN32") || (PHP_OS == "Windows")) {
|
|
return "$CFG->dirroot/filter/tex/mimetex.exe";
|
|
}
|
|
|
|
$custom_commandpath = "$CFG->dirroot/filter/tex/mimetex";
|
|
if (file_exists($custom_commandpath)) {
|
|
if (is_executable($custom_commandpath)) {
|
|
return $custom_commandpath;
|
|
} else {
|
|
error($error_message2.$error_message1);
|
|
}
|
|
}
|
|
|
|
switch (PHP_OS) {
|
|
case "Linux": return "$CFG->dirroot/filter/tex/mimetex.linux";
|
|
case "Darwin": return "$CFG->dirroot/filter/tex/mimetex.darwin";
|
|
case "FreeBSD": return "$CFG->dirroot/filter/tex/mimetex.freebsd";
|
|
}
|
|
|
|
error($error_message1);
|
|
}
|
|
|
|
|
|
function tex_filter_get_cmd($pathname, $texexp) {
|
|
$texexp = escapeshellarg($texexp);
|
|
$executable = tex_filter_get_executable(false);
|
|
|
|
if ((PHP_OS == "WINNT") || (PHP_OS == "WIN32") || (PHP_OS == "Windows")) {
|
|
$executable = str_replace(' ', '^ ', $executable);
|
|
return "$executable ++ -e \"$pathname\" -- $texexp";
|
|
|
|
} else {
|
|
return "\"$executable\" -e \"$pathname\" -- $texexp";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Purge all caches when settings changed.
|
|
*/
|
|
function filter_tex_updatedcallback($name) {
|
|
global $CFG;
|
|
reset_text_filters_cache();
|
|
|
|
if (file_exists("$CFG->dataroot/filter/tex")) {
|
|
remove_dir("$CFG->dataroot/filter/tex");
|
|
}
|
|
if (file_exists("$CFG->dataroot/filter/algebra")) {
|
|
remove_dir("$CFG->dataroot/filter/algebra");
|
|
}
|
|
if (file_exists("$CFG->dataroot/temp/latex")) {
|
|
remove_dir("$CFG->dataroot/temp/latex");
|
|
}
|
|
|
|
delete_records('cache_filters', 'filter', 'tex');
|
|
delete_records('cache_filters', 'filter', 'algebra');
|
|
}
|
|
|
|
?>
|