first commit

print_preview.php

@@ -0,0 +1,30 @@
+<?php
+
+    include_once('../../config.php');
+
+    $submitid = optional_param('print_preview_submit_id', 0, PARAM_INT);
+    $submit = get_record('programming_submits', 'id', $submitid);
+    if ($submit->userid != $USER->id) {
+        exit(0);
+    }
+    
+    $userfullname = $USER->username.'-'.fullname($USER);
+    $d = $CFG->dataroot.'/temp/programming';
+    if (!is_dir($d)) {
+        if (file_exists($d)) {
+            unlink($d);
+        }
+        mkdir($d);
+    }
+    $srcname = tempnam($d, 'pp');
+    $f = fopen($srcname, 'w');
+    fwrite($f, $submit->code);
+    fclose($f);
+
+    putenv('LC_ALL=en_US.UTF-8');
+    header('Content-Type: application/pdf');
+    header('Content-Disposition: attachment; filename="source.pdf"');
+    passthru("/usr/bin/u2ps -o /dev/stdout -t \"$userfullname\" --gpfamily=\"Monospace\" \"$srcname\" 2>/dev/null | /usr/bin/ps2pdf - -");
+    
+    unlink($srcname);
+?>