Initial commit

content/inc/parser/code.php

@@ -0,0 +1,71 @@
+<?php
+/**
+ * A simple renderer that allows downloading of code and file snippets
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+class Doku_Renderer_code extends Doku_Renderer {
+    protected $_codeblock = 0;
+
+    /**
+     * Send the wanted code block to the browser
+     *
+     * When the correct block was found it exits the script.
+     *
+     * @param string $text
+     * @param string $language
+     * @param string $filename
+     */
+    public function code($text, $language = null, $filename = '') {
+        global $INPUT;
+        if(!$language) $language = 'txt';
+        $language = preg_replace(PREG_PATTERN_VALID_LANGUAGE, '', $language);
+        if(!$filename) $filename = 'snippet.'.$language;
+        $filename = \dokuwiki\Utf8\PhpString::basename($filename);
+        $filename = \dokuwiki\Utf8\Clean::stripspecials($filename, '_');
+
+        // send CRLF to Windows clients
+        if(strpos($INPUT->server->str('HTTP_USER_AGENT'), 'Windows') !== false) {
+            $text = str_replace("\n", "\r\n", $text);
+        }
+
+        if($this->_codeblock == $INPUT->str('codeblock')) {
+            header("Content-Type: text/plain; charset=utf-8");
+            header("Content-Disposition: attachment; filename=$filename");
+            header("X-Robots-Tag: noindex");
+            echo trim($text, "\r\n");
+            exit;
+        }
+
+        $this->_codeblock++;
+    }
+
+    /**
+     * Wraps around code()
+     *
+     * @param string $text
+     * @param string $language
+     * @param string $filename
+     */
+    public function file($text, $language = null, $filename = '') {
+        $this->code($text, $language, $filename);
+    }
+
+    /**
+     * This should never be reached, if it is send a 404
+     */
+    public function document_end() {
+        http_status(404);
+        echo '404 - Not found';
+        exit;
+    }
+
+    /**
+     * Return the format of the renderer
+     *
+     * @returns string 'code'
+     */
+    public function getFormat() {
+        return 'code';
+    }
+}