From 0f185543bb9851fddc137f81a1e2a1d21589bc83 Mon Sep 17 00:00:00 2001
From: Kevin Chabowski <kevin@kch42.de>
Date: Wed, 5 Oct 2011 14:36:01 +0200
Subject: Backend, frontend and 404 handlers partially implemented.

* Backend layout done.
* Frontend theoretically done (untested).
* 404 handler done
* Added textprocessors.php
---
 ratatoeskr/sys/textprocessors.php | 78 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 ratatoeskr/sys/textprocessors.php

(limited to 'ratatoeskr/sys/textprocessors.php')

diff --git a/ratatoeskr/sys/textprocessors.php b/ratatoeskr/sys/textprocessors.php
new file mode 100644
index 0000000..3e67b01
--- /dev/null
+++ b/ratatoeskr/sys/textprocessors.php
@@ -0,0 +1,78 @@
+<?php
+/*
+ * File: ratatoeskr/textprocessors.php
+ * Manage text processors (functions that transform text to HTML) and implement some default ones.
+ * 
+ * License:
+ * This file is part of Ratatöskr.
+ * Ratatöskr is licensed unter the MIT / X11 License.
+ * See "ratatoeskr/licenses/ratatoeskr" for more information.
+ */
+
+require_once(dirname(__FILE__) . "/../libs/markdown.php");
+require_once(dirname(__FILE__) . "/utils.php");
+
+/*
+ * Function: textprocessor_register
+ * Register a textprocessor.
+ * 
+ * Parameters:
+ * 	$namen              - The name of the textprocessor
+ * 	$fx                 - The textprocessor function (function($input), returns HTML)
+ * 	$visible_in_backend - Should this textprocessor be visible in the backend? Defaults to True.
+ */
+function textprocessor_register($name, $fx, $visible_in_backend=True)
+{
+	global $textprocessors;
+	$textprocessors[$name] = array($fx, $visible_in_backend);
+}
+
+/*
+ * Function: textprocessor_apply
+ * Apply a textprocessor on a text.
+ * 
+ * Parameters:
+ * 	$text          - The input text.
+ * 	$textprocessor - The name of the textprocessor.
+ * 
+ * Returns:
+ * 	HTML
+ */
+function textprocessor_apply($text, $textprocessor)
+{
+	global $textprocessors;
+	if(!isset($textprocessors[$textprocessor]))
+		throw new Exception("Unknown Textprocessor: $textprocessor");
+	
+	$fx = @$textprocessors[$textprocessor][0];
+	if(!is_callable($fx))
+		throw new Exception("Invalid Textprocessor: $textprocessor");
+	
+	return call_user_func($fx, $text);
+}
+
+/*
+ * Function: textprocessor_apply_translation
+ * Applys a textprocessor automatically on a <Translation> object. The used textprocessor is determined by the $texttype property.
+ * 
+ * Parameters:
+ * 	$translationobj - The <Translation> object.
+ * 
+ * Returns:
+ * 	HTML
+ */
+function textprocessor_apply_translation($translationobj)
+{
+	return textprocessor_apply($translationobj->text, $translationobj->texttype);
+}
+
+if(!isset($textprocessors))
+{
+	$textprocessors = array(
+		"Markdown" => array("Markdown", True),
+		"Plain Text" => array(function($text) { return str_replace(array("\r\n", "\n"), array("<br />", "<br />"), htmlesc($text)); }, True),
+		"HTML" => array(function($text) { return $text; }, True)
+	);
+}
+
+?>
-- 
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