Start of the TextExtension. Provides truncate filter.

Config/bootstrap.php

@@ -22,6 +22,7 @@
         'TwigPlugin\Extension\BasicExtension',
         'TwigPlugin\Extension\HtmlExtension',
         'TwigPlugin\Extension\FormExtension',
+        'TwigPlugin\Extension\TextExtension',
     ),
     (array) Configure::read('twig.extensions')
 ));

Lib/TwigPlugin/Extension/TextExtension.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace TwigPlugin\Extension;
+
+class TextExtension extends \Twig_Extension
+{
+    /**
+     * @var \TextHelper
+     */
+    protected $textHelper;
+
+    public function __construct($view)
+    {
+        \App::import('Helper', 'Text');
+        $this->textHelper = new \TextHelper($view);
+        $this->request = $this->textHelper->request;
+        $this->response = $this->textHelper->response;
+    }
+
+    public function getFilters()
+    {
+        return array(
+            'truncate' => new \Twig_Filter_Method($this, 'truncate',
+                array(
+                    'is_safe'       => array('html'),
+                )
+            ),
+        );
+    }
+
+    /**
+     * Provides link_to function which wraps HtmlHelper::link().
+     *
+     * @param $var      String  String to be truncated.
+     * @param $length   Integer Length to truncate.
+     * @param $options  Array   Options
+     *
+     * Default options: 'ending' => '...', 'extact' => true, 'html' => false
+     *
+     * Set 'html' option to true if you want truncate
+     * to handle HTML in the string correctly.
+     *
+     */
+    public function truncate($var, $length = 100, array $options = array())
+    {
+        return $this->textHelper->truncate($var, $length, $options);
+    }
+
+    public function getName()
+    {
+        return 'TextHelper';
+    }
+}