Make -f option work as expected

Author: sandermarechal

PHPCtags.class.php

@@ -228,6 +228,6 @@ public function export($file, $options)
         //@todo Check for existence
         $this->mFile = $file;
         $structs = $this->struct($this->mParser->parse(file_get_contents($this->mFile)), TRUE);
-        echo $this->render($structs, $options);
+        return $this->render($structs, $options);
     }
 }

phpctags

@@ -48,4 +48,12 @@ if(!isset($options['fields'])) {
 }
 
 $ctags = new PHPCtags();
-$ctags->export($file, $options);
+$result = $ctags->export($file, $options);
+
+if (isset($options['f']) && $options['f'] !== '-') {
+    $tagfile = fopen($options['f'], 'w');
+} else {
+    $tagfile = fopen('php://stdout', 'w');
+}
+fwrite($tagfile, $result);
+fclose($tagfile);

tests/PHPCtagsTest.php

@@ -61,7 +61,7 @@ public function testExport($testcase)
         ob_start();
         $testcase_example = $testcase_object->getExample();
         $testcase_options = $testcase_object->getOptions();
-        $this->object->export($testcase_example, $testcase_options);
+        echo $this->object->export($testcase_example, $testcase_options);
         $testcase_result = ob_get_contents();
         ob_end_clean();