From: Richard Whitehouse <github@richardwhiuk.com>
Date: Fri, 28 Jan 2011 20:10:08 +0000 (+0000)
Subject: Inital commit
X-Git-Url: https://git.richardwhiuk.com/?a=commitdiff_plain;h=ddf88dcdafee95cefcba32ec1fb5a79eece81ec6;p=ical-relay.git

Inital commit
---

ddf88dcdafee95cefcba32ec1fb5a79eece81ec6
diff --git a/index.php b/index.php
new file mode 100644
index 0000000..3f41850
--- /dev/null
+++ b/index.php
@@ -0,0 +1,87 @@
+<?php
+
+$url = $_GET['url'];
+
+$file = file($url);
+
+$directives = array();
+
+header('Content-type: text/plain; charset=utf-8');
+
+$d = -1;
+
+foreach($file as $line){
+	$line = rtrim($line, "\r\n");
+	if($line[0] == "\t" || $line[0] == " "){
+		$directives[$d] .= substr($line,1);
+	} else {
+		$d ++;
+		$directives[$d] = $line;
+	}
+}
+
+// sanity check
+
+if(
+	($directives[0] != 'BEGIN:VCALENDAR') ||
+	($directives[$d] != 'END:VCALENDAR')
+){
+	exit('INVALID .ICAL FILE');
+}
+
+$ical = new ical_obj();
+
+$current = $ical;
+
+class ical_obj {
+	public $_type = NULL;
+	public $_parent = NULL;
+	private $_data = array();
+	function __isset($name){
+		return isset($this->_data[$name]);
+	}
+	function __get($name){
+		return $this->_data[$name];
+	}
+	function __set($name, $value){
+		return ($this->_data[$name][] = $value);
+	}
+	function __unset($name){
+		unset($this->_data[$name]);
+	}
+	function display($t = 0){
+		foreach($this->_data as $k => $l){
+			foreach($l as $v){
+				for($i = 0; $i < $t; $i ++){ echo "\t"; }
+				echo $k . ': ';
+				if(is_object($v)){
+					echo "\r\n";  $v->display($t + 1);
+				} else {
+					echo $v . "\r\n";
+				}
+			}
+		}
+	}
+}
+
+foreach($directives as $line){
+	$directive = explode(':', $line, 2);
+	if($directive[0] == 'BEGIN'){
+		$child = new ical_obj();
+		$child->_type = $type = $directive[1];
+		$child->_parent = $current;
+		$current->$type = $child;
+		$current = $child;
+	} elseif($directive[0] == 'END'){
+		if($current->_type != $directive[1]){
+			exit('INVALID .ICAL FILE');
+		}
+		$current = $current->_parent;
+	} else {
+		$type = $directive[0];
+		$current->$type = $directive[1];
+	}
+}
+
+$ical->display();
+