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application/third_party/Sioen/Converter.php

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+<?php
+
+
+/**
+ * Class Converter
+ *
+ * A Sir Trevor to HTML conversion helper for PHP
+ *
+ * @version 1.1.0
+ * @author Wouter Sioen <wouter@woutersioen.be>
+ * @license http://www.opensource.org/licenses/mit-license.php MIT
+ */
+class Converter
+{
+    /**
+     * Converts the outputted json from Sir Trevor to html
+     *
+     * @param  string $json
+     * @return string
+     */
+    public function toHtml($json)
+    {
+        // convert the json to an associative array
+        $input = json_decode($json, true);
+        $html = '';
+
+        // loop trough the data blocks
+        foreach ($input['data'] as $block) {
+            $toHtmlContext = new ToHtmlContext($block['type']);
+            $html .= $toHtmlContext->getHtml($block['data']);
+        }
+
+        return $html;
+    }
+
+    /**
+     * Converts html to the json Sir Trevor requires
+     *
+     * @param  string $html
+     * @return string The json string
+     */
+    public function toJson($html)
+    {
+        // Strip white space between tags to prevent creation of empty #text nodes
+        $html = preg_replace('~>\s+<~', '><', $html);
+        $document = new \DOMDocument();
+
+        // Load UTF-8 HTML hack (from http://bit.ly/pVDyCt)
+        $document->loadHTML('<?xml encoding="UTF-8">' . $html);
+        $document->encoding = 'UTF-8';
+
+        // fetch the body of the document. All html is stored in there
+        $body = $document->getElementsByTagName("body")->item(0);
+
+        $data = array();
+
+        // loop trough the child nodes and convert them
+        if ($body) {
+            foreach ($body->childNodes as $node) {
+                $toJsonContext = new ToJsonContext($node->nodeName);
+                $data[] = $toJsonContext->getData($node);
+            }
+        }
+
+        return json_encode(array('data' => $data));
+    }
+}