l/Pygments: Fix exception for filenames ending with a dot

Signed-off-by: Florian Pritz <bluewind@xinu.at>

2 files changed, 11 insertions, 1 deletions

diff --git a/application/libraries/Pygments.php b/application/libraries/Pygments.php
index 5d37b69c3..81963bc68 100644
--- a/application/libraries/Pygments.php
+++ b/application/libraries/Pygments.php
@@ -173,6 +173,9 @@ class Pygments {
 
 		if (strpos($this->filename, ".") !== false) {
 			$extension = substr($this->filename, strrpos($this->filename, ".") + 1);
+			if ($extension === false) {
+				return false;
+			}
 
 			$extensionarray = array(
 				'awk' => 'awk',
diff --git a/application/test/tests/test_libraries_pygments.php b/application/test/tests/test_libraries_pygments.php
index 768bca439..d6bb559ee 100644
--- a/application/test/tests/test_libraries_pygments.php
+++ b/application/test/tests/test_libraries_pygments.php
@@ -80,7 +80,14 @@ class test_libraries_pygments extends \test\Test {
     {
 		$p = new \libraries\Pygments('/invalid/filepath', 'image/svg+xml', 'foo.svg');
         $this->t->is($p->can_highlight(), true, "image/svg+xml can highlight");
-    }
+	}
+
+	public function test_autodetect_lexer_strangeFilenames()
+	{
+		$p = new \libraries\Pygments('/invalid/filepath', 'text/plain', 'foo.');
+        $this->t->is($p->autodetect_lexer(), 'text', "foo. should be text");
+
+	}
 
 }