<?php
/**
* class AbsRssWriter20
*
* Create an RSS 2.0 xml feed.
*
* @package Abs_Xml_Rss
* @category XML, RSS
* @author Costin Trifan <costintrifan@yahoo.com>
* @copyright 2009 Costin Trifan
* @licence http://en.wikipedia.org/wiki/MIT_License MIT License
* @version 1.0
*
* Copyright (c) 2009 Costin Trifan <http://june-js.com/>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
class AbsRssWriter20
{
private function __clone(){}
// Constructor
public function __construct(){}
/**
* Holds the feed's content
* @type string
*/
protected static $_doc = '';
/**
* Start the xml document
*
* @param string $xmlStylesheetFile The path to the associated xml stylesheet file.
* @return void
*/
final public function StartDocument( $xmlStylesheetFile = '' )
{
self::$_doc = '<?xml version="1.0" encoding="utf-8"?>';
if (strlen($xmlStylesheetFile) > 0)
self::$_doc .= '<?xml-stylesheet type="text/xsl" href="../'.$xmlStylesheetFile.'"?>';
self::$_doc .= '<rss version="2.0"'."\n\t";
}
/**
* Add xml namespaces
*
* @param array $xmlns The list of namespaces to add to the document. (As an associative array: 'namespace-name' => 'namespace url')
* @return void
*/
final public function AddNamespaces( $xmlns = array() )
{
if (count($xmlns) < 1) {
self::$_doc .= '>'; // close tag
return;
}
foreach ($xmlns as $name=>$value)
self::$_doc .= " xmlns:$name=\"$value\"\n\t";
self::$_doc .= '>'; // close tag
}
/**
* Add channel's tags
* @return void
*/
final public function AddChannelTags( array $channelTags )
{
self::$_doc .= "<channel>\n";
if (count($channelTags) > 0)
{
foreach ($channelTags as $tagName=>$tagValue)
self::$_doc .= "<$tagName>$tagValue</$tagName>\n";
}
}
/**
* Add channel items
* @return void
*/
final public function AddItems( $itemTags = array() )
{
if (count($itemTags) > 0)
{
foreach ($itemTags as $entries)
{
self::$_doc .= "<item>";
foreach ($entries as $tagName=>$tagValue)
self::$_doc .= "<$tagName>$tagValue</$tagName>";
self::$_doc .= "</item>\n";
}
}
}
/**
* Write the xml document's closing tags
* @return void
*/
final public function EndDocument()
{
self::$_doc .= '</channel></rss>';
}
/**
* Display the feed's content
* @return void
*/
final public function Display()
{
echo self::$_doc;
}
/**
* Retrieve the document's content
* @return string
*/
final public function GetDocument()
{
return self::$_doc;
}
/**
* Save the generated xml document
* @return void
*/
final public function SaveDocument( $dirPath, $fileName )
{
if ( ! @is_dir($dirPath))
{
// try to create the directory
if ( ! @mkdir($dirPath))
exit("The directory where to store the rss file was not found nor be created. Please create it manually.");
}
$filePath = $dirPath.DIRECTORY_SEPARATOR.$fileName;
$content = self::GetDocument();
if (($h = @fopen ($filePath, "w")) !== FALSE)
{
@fwrite ($h, $content, strlen($content));
@fclose ($h);
}
else exit("Error: The rss file could not be saved into the specified location.");
}
}
// >> END
?>
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