From 4a92fbad4beb9d27f4bbfa4f9360bddf455e671f Mon Sep 17 00:00:00 2001
From: Florian Pritz <bluewind@xinu.at>
Date: Sat, 9 Nov 2013 22:18:51 +0100
Subject: use cache_function() everywhere

Signed-off-by: Florian Pritz <bluewind@xinu.at>
---
 application/controllers/file.php | 28 +++++++++++++---------------
 application/models/mfile.php     |  9 +++------
 2 files changed, 16 insertions(+), 21 deletions(-)

diff --git a/application/controllers/file.php b/application/controllers/file.php
index b0561a52c..14736431b 100644
--- a/application/controllers/file.php
+++ b/application/controllers/file.php
@@ -138,33 +138,31 @@ class File extends MY_Controller {
 		$this->data['lexers'] = $this->mfile->get_lexers();
 		$this->data['filedata'] = $filedata;
 
-		// highlight the file and chache the result
-		$this->load->driver('cache', array('adapter' => $this->config->item("cache_backend")));
-		if (! $cached = $this->cache->get($filedata['hash'].'_'.$lexer)) {
-			$cached = array();
+		// highlight the file and cache the result
+		$highlit = cache_function($filedata['hash'].'_'.$lexer, 100, function() use ($file, $lexer){
+			$ret = array();
 			if ($lexer == "rmd") {
 				ob_start();
 
 				echo '<div class="code content table markdownrender">'."\n";
 				echo '<div class="table-row">'."\n";
 				echo '<div class="table-cell">'."\n";
-				passthru('perl '.FCPATH.'scripts/Markdown.pl '.escapeshellarg($file), $cached["return_value"]);
+				passthru('perl '.FCPATH.'scripts/Markdown.pl '.escapeshellarg($file), $ret["return_value"]);
 				echo '</div></div></div>';
 
-				$cached["output"] = ob_get_contents();
-				ob_end_clean();
+				$ret["output"] = ob_get_clean();
 			} else {
-				$cached = $this->_colorify($file, $lexer);
+				$ret = $this->_colorify($file, $lexer);
 			}
 
-			if ($cached["return_value"] != 0) {
-				$ret = $this->_colorify($file, "text");
-				$cached["output"] = $ret["output"];
+			if ($ret["return_value"] != 0) {
+				$tmp = $this->_colorify($file, "text");
+				$ret["output"] = $tmp["output"];
 			}
-			$this->cache->save($filedata['hash'].'_'.$lexer, $cached, 100);
-		}
+			return $ret;
+		});
 
-		if ($cached["return_value"] != 0) {
+		if ($highlit["return_value"] != 0) {
 			$this->data["error_message"] = "<p>Error trying to process the file.
 				Either the lexer is unknown or something is broken.
 				Falling back to plain text.</p>";
@@ -174,7 +172,7 @@ class File extends MY_Controller {
 		// much magic ({elapsed_time} and {memory_usage}).
 		// Direct echo puts us on the safe side.
 		echo $this->load->view($this->var->view_dir.'/html_header', $this->data, true);
-		echo $cached["output"];
+		echo $highlit["output"];
 		echo $this->load->view($this->var->view_dir.'/html_footer', $this->data, true);
 	}
 
diff --git a/application/models/mfile.php b/application/models/mfile.php
index e70b5c812..d7e301b1e 100644
--- a/application/models/mfile.php
+++ b/application/models/mfile.php
@@ -339,8 +339,7 @@ class Mfile extends CI_Model {
 	}
 
 	public function get_lexers() {
-		$this->load->driver('cache', array('adapter' => $this->config->item("cache_backend")));
-		if (! $lexers = $this->cache->get('lexers')) {
+		return cache_function('lexers', 1800, function() {
 			$lexers = array();
 			$last_desc = "";
 			exec("python ".escapeshellarg(FCPATH."scripts/get_lexer_list.py"), $output);
@@ -354,10 +353,8 @@ class Mfile extends CI_Model {
 				$lexers[$name] = $desc;
 			}
 			$lexers["text"] = "Plain text";
-			$this->cache->save('lexers', $lexers, 1800);
-		}
-
-		return $lexers;
+			return $lexers;
+		});
 	}
 
 	public function should_highlight($type)
-- 
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