1 files changed, 80 insertions, 0 deletions
diff --git a/src/lib/Controller.class.php b/src/lib/Controller.class.php
new file mode 100644
index 0000000..592ea2c
--- /dev/null
+++ b/src/lib/Controller.class.php
@@ -0,0 +1,80 @@
+<?php
+
+class Controller {
+	/**
+	 * Find the best view file to include based on file extension and HTTP
+	 * 'Accept' headers.
+	 */
+	private function _resolveView($view) {
+		require_once('Mime.class.php');
+		require_once('HTTP_Accept.class.php');
+				
+		// Make a list of candidate views
+		$glob_string = VIEWPATH.'/pages/'.$view.'.*.php'; 
+		$files = glob($glob_string);
+
+		// Return false if there were no candidate views.
+		if (count($files) < 1) return false;
+
+		// $prefs is a associative array where the key is the file
+		// extension, and the value is how much we like that extension.
+		// Higher numbers are better.
+		$prefs = array();
+		
+		// $accept will tell us how much we like a given mime type,
+		// based on the ACCEPT constant.
+		$accept = new HTTP_Accept(ACCEPT);
+
+		// Loop through the candidate views, and record how much we
+		// like each.
+		foreach ($files as $file) {
+			$ext = preg_replace('@[^.]*\.(.*)\.php$@','$1', $file);
+			$mimes = Mime::ext2mime($ext);
+			foreach ($mimes as $mime) {
+				$quality = $accept->getQuality($mime);
+				if (isset($final[$ext])) {
+					$quality = max($final[$ext], $quality);
+				}
+				$prefs[$ext] = $quality;
+			}
+		}
+		
+		// Sort $prefs such that the entry with the highest value will
+		// appear first.
+		arsort($prefs);
+		
+		// Return the first entry in $prefs.
+		foreach ($prefs as $ext => $quality) {
+			return VIEWPATH."/pages/$view.$ext.php";
+		}
+	}
+	
+	/**
+	 * Show a $view, in the most appropriate format (according to file
+	 * extension and HTTP Accept header).  Pass the array $vars to the view.
+	 */
+	protected function showView($view, $vars=null) {
+		global $VARS, $mm;
+		if ($vars===null) { $vars = array(); }
+		$VARS = $vars;
+		$VARS['template'] = $mm->template();
+		include($this->_resolveView($view));
+		unset($VARS);
+	}
+	
+	// Here be default handlers ////////////////////////////////////////////
+	
+	public function index($routed, $remainder) {
+		header('Content-type: text/plain');
+		echo " == Generic Controller Index == \n\n";
+		$routed_str = implode('/', $routed);
+		$remainder_str = implode('/', $remainder);
+		echo "Full path: $routed_str/$remainder_str\n";
+		echo "Controller path: $routed_str\n";
+		echo "Remainder path: $remainder_str\n";
+	}
+	public function http404($routed, $remainder) {
+		$this->showView('http404', array('routed'=>$routed,
+		                                 'remainder'=>$remainder));
+	}
+}