Adding example for before_render()

sofadesign · Mar 11, 2010 · ea858b3 · ea858b3
1 parent eb4ce64
commit ea858b3
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diff --git a/examples/example06/index.php b/examples/example06/index.php
@@ -0,0 +1,98 @@
+<?php
+# Before render example
+
+require_once dirname(dirname(dirname(__FILE__))).'/lib/limonade.php';
+
+
+
+function configure()
+{
+  option('env', ENV_DEVELOPMENT);
+  layout('html_default_layout');
+}
+
+function before_render($content_or_func, $layout, $locals, $view_path)
+{
+  if(is_callable($content_or_func))
+  {
+
+  }
+  elseif(file_exists($view_path))
+  {
+    # we can distinguish layouts from normal views if we want
+    # $is_a_layout = array_key_exists('content', $locals);
+    $view_path = render_filter_rewrite_short_tags($view_path);
+  }
+  else
+  {
+    # it's a string
+    $content_or_func .= "<small>added before render…</small>";
+  }
+
+  return array($content_or_func, $layout, $locals, $view_path);
+}
+
+/**
+ * a filter for rewriting views without short_open_tags
+ *
+ * @param string $view_path 
+ * @return string $path to converted view file
+ */
+function render_filter_rewrite_short_tags($view_path)
+{
+  if (option('rewrite_short_tags') == true && (boolean)@ini_get('short_open_tag') === false)
+  {
+    # cache path, maybe in tmp/cache/rsot_views/
+    $cache_path = file_path(option('rewrite_sot_cache_dir'), $view_path);
+    if(!file_exists($cache_path) || (filemtime($cache_path) != filemtime($view_path)))
+    {
+      $view = file_get_contents($view_path);
+      $transformed_view = preg_replace("/;*\s*\?>/", "; ?>", str_replace('<?=', '<?php echo ', $view));
+      # TODO: store it in cache
+      # …
+    }
+    $view_path = $cache_path;
+  }
+  return $view_path;
+}
+
+dispatch('/', 'index');
+  function index()
+  {
+    return html('<p>Hellooo!</p>');
+  }
+
+dispatch('/error', 'index_error');
+  function index_error()
+  {
+    return halt('Error!');
+  }
+
+run();
+
+# _INLINE templates___________________________________________________________
+
+function html_default_layout($vars){ extract($vars);?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+	<title>Before render filter test</title>
+</head>
+<body>
+  <article>
+    <?=$content;?>
+  </article>
+  <hr>
+  <nav>
+    <p><strong>Menu:</strong>
+      <a href="<?=url_for('/')?>">Index</a> |
+      <a href="<?=url_for('/error')?>">Error</a>
+    </p>
+  </nav>
+  <hr>
+</body>
+</html>
+<?};
+
+?>
diff --git a/examples/index.php b/examples/index.php
@@ -17,6 +17,7 @@
   <li><a href="example03/">example 03: routes with options, and conditional before function</a></li>
   <li><a href="example04/">example 04: autorendering example</a></li>
   <li><a href="example05/">example 05: using <code>content_for()</code></a></li>
+  <li><a href="example06/">example 06: using <code>before_render()</code> filtering</a></li>
   <li><a href="urlrewrite/"> Url Rewriting with Limonade.</a></li>
 </ul>
 </body>