<?php

/*

 $Id: sitemap-core.php 583237 2012-08-08 21:06:12Z arnee $

*/

//Enable for dev! Good code doesn't generate any notices...

//error_reporting(E_ALL);

//ini_set("display_errors",1);

/**

 * Represents the status (success and failures) of a building process

 * @author Arne Brachhold

 * @package sitemap

 * @since 3.0b5

 */

class GoogleSitemapGeneratorStatus {

	function GoogleSitemapGeneratorStatus() {

		$this->_startTime = $this->GetMicrotimeFloat();

		$exists = get_option("sm_status");

		if($exists === false) add_option("sm_status","",null,"no");

		$this->Save();

	}

	function Save() {

		update_option("sm_status",$this);

	}

	/**

	 * Returns the last saved status object or null

	 * 

	 * @return GoogleSitemapGeneratorStatus

	 */

	function &Load() {

		$status = @get_option("sm_status");

		if(is_a($status,"GoogleSitemapGeneratorStatus")) return $status;

		else return null;

	}

	/**

	 * @var float $_startTime The start time of the building process

	 * @access private

	 */

	var $_startTime = 0;

	/**

	 * @var float $_endTime The end time of the building process

	 * @access private

	 */

	var $_endTime = 0;

	/**

	 * @var bool $$_hasChanged Indicates if the sitemap content has changed

	 * @access private

	 */

	var $_hasChanged = true;

	/**

	 * @var int $_memoryUsage The amount of memory used in bytes

	 * @access private

	 */

	var $_memoryUsage = 0;

	/**

	 * @var int $_lastPost The number of posts processed. This value is updated every 50 posts.

	 * @access private

	 */

	var $_lastPost = 0;

	/**

	 * @var int $_lastTime The time when the last step-update occured. This value is updated every 50 posts.

	 * @access private

	 */

	var $_lastTime = 0;

	function End($hasChanged = true) {

		$this->_endTime = $this->GetMicrotimeFloat();

		$this->SetMemoryUsage();

		$this->_hasChanged = $hasChanged;

		$this->Save();

	}

	function SetMemoryUsage() {

		if(function_exists("memory_get_peak_usage")) {

			$this->_memoryUsage = memory_get_peak_usage(true);

		} else if(function_exists("memory_get_usage")) {

			$this->_memoryUsage =  memory_get_usage(true);

		}

	}

	function GetMemoryUsage() {

		return round($this->_memoryUsage / 1024 / 1024,2);

	}

	function SaveStep($postCount) {

		$this->SetMemoryUsage();

		$this->_lastPost = $postCount;

		$this->_lastTime = $this->GetMicrotimeFloat();

		$this->Save();

	}

	function GetTime() {

		return round($this->_endTime - $this->_startTime,2);

	}

	function GetStartTime() {

		return round($this->_startTime, 2);

	}

	function GetLastTime() {

		return round($this->_lastTime - $this->_startTime,2);

	}

	function GetLastPost() {

		return $this->_lastPost;

	}

	var $_usedXml = false;

	var $_xmlSuccess = false;

	var $_xmlPath = '';

	var $_xmlUrl = '';

	function StartXml($path,$url) {

		$this->_usedXml = true;

		$this->_xmlPath = $path;

		$this->_xmlUrl = $url;

		$this->Save();

	}

	function EndXml($success) {

		$this->_xmlSuccess = $success;

		$this->Save();

	}

	var $_usedZip = false;

	var $_zipSuccess = false;

	var $_zipPath = '';

	var $_zipUrl = '';

	function StartZip($path,$url) {

		$this->_usedZip = true;

		$this->_zipPath = $path;

		$this->_zipUrl = $url;

		$this->Save();

	}

	function EndZip($success) {

		$this->_zipSuccess = $success;

		$this->Save();

	}

	var $_usedGoogle = false;

	var $_googleUrl = '';

	var $_gooogleSuccess = false;

	var $_googleStartTime = 0;

	var $_googleEndTime = 0;

	function StartGooglePing($url) {

		$this->_googleUrl = $url;

		$this->_usedGoogle = true;

		$this->_googleStartTime = $this->GetMicrotimeFloat();

		$this->Save();

	}

	function EndGooglePing($success) {

		$this->_googleEndTime = $this->GetMicrotimeFloat();

		$this->_gooogleSuccess = $success;

		$this->Save();

	}

	function GetGoogleTime() {

		return round($this->_googleEndTime - $this->_googleStartTime,2);

	}

	var $_usedMsn = false;

	var $_msnUrl = '';

	var $_msnSuccess = false;

	var $_msnStartTime = 0;

	var $_msnEndTime = 0;

	function StartMsnPing($url) {

		$this->_usedMsn = true;

		$this->_msnUrl = $url;

		$this->_msnStartTime = $this->GetMicrotimeFloat();

		$this->Save();

	}

	function EndMsnPing($success) {

		$this->_msnEndTime = $this->GetMicrotimeFloat();

		$this->_msnSuccess = $success;

		$this->Save();

	}

	function GetMsnTime() {

		return round($this->_msnEndTime - $this->_msnStartTime,2);

	}

	function GetMicrotimeFloat() {

		list($usec, $sec) = explode(" ", microtime());

		return ((float)$usec + (float)$sec);

	}

		}

/**

 * Represents an item in the page list

 * @author Arne Brachhold

 * @package sitemap

 * @since 3.0

 */

class GoogleSitemapGeneratorPage {

	/**

	 * @var string $_url Sets the URL or the relative path to the blog dir of the page

	 * @access private

	 */

	var $_url;

	/**

	 * @var float $_priority Sets the priority of this page

	 * @access private

	 */

	var $_priority;

	/**

	 * @var string $_changeFreq Sets the chanfe frequency of the page. I want Enums!

	 * @access private

	 */

	var $_changeFreq;

	/**

	 * @var int $_lastMod Sets the lastMod date as a UNIX timestamp.

	 * @access private

	 */

	var $_lastMod;

	/**

	 * Initialize a new page object

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @param bool $enabled Should this page be included in thesitemap

	 * @param string $url The URL or path of the file

	 * @param float $priority The Priority of the page 0.0 to 1.0

	 * @param string $changeFreq The change frequency like daily, hourly, weekly

	 * @param int $lastMod The last mod date as a unix timestamp

	 */

	function GoogleSitemapGeneratorPage($url="",$priority=0.0,$changeFreq="never",$lastMod=0) {

		$this->SetUrl($url);

		$this->SetProprity($priority);

		$this->SetChangeFreq($changeFreq);

		$this->SetLastMod($lastMod);

	}

	/**

	 * Returns the URL of the page

	 *

	 * @return string The URL

	 */

	function GetUrl() {

		return $this->_url;

	}

	/**

	 * Sets the URL of the page

	 *

	 * @param string $url The new URL

	 */

	function SetUrl($url) {

		$this->_url=(string) $url;

	}

	/**

	 * Returns the priority of this page

	 *

	 * @return float the priority, from 0.0 to 1.0

	 */

	function GetPriority() {

		return $this->_priority;

	}

	/**

	 * Sets the priority of the page

	 *

	 * @param float $priority The new priority from 0.1 to 1.0

	 */

	function SetProprity($priority) {

		$this->_priority=floatval($priority);

	}

	/**

	 * Returns the change frequency of the page

	 *

	 * @return string The change frequncy like hourly, weekly, monthly etc.

	 */

	function GetChangeFreq() {

		return $this->_changeFreq;

	}

	/**

	 * Sets the change frequency of the page

	 *

	 * @param string $changeFreq The new change frequency

	 */

	function SetChangeFreq($changeFreq) {

		$this->_changeFreq=(string) $changeFreq;

	}

	/**

	 * Returns the last mod of the page

	 *

	 * @return int The lastmod value in seconds

	 */

	function GetLastMod() {

		return $this->_lastMod;

	}

	/**

	 * Sets the last mod of the page

	 *

	 * @param int $lastMod The lastmod of the page

	 */

	function SetLastMod($lastMod) {

		$this->_lastMod=intval($lastMod);

	}

	function Render() {

		if($this->_url == "/" || empty($this->_url)) return '';

		$r="";

		$r.= "\t<url>\n";

		$r.= "\t\t<loc>" . $this->EscapeXML($this->_url) . "</loc>\n";

		if($this->_lastMod>0) $r.= "\t\t<lastmod>" . date('Y-m-d\TH:i:s+00:00',$this->_lastMod) . "</lastmod>\n";

		if(!empty($this->_changeFreq)) $r.= "\t\t<changefreq>" . $this->_changeFreq . "</changefreq>\n";

		if($this->_priority!==false && $this->_priority!=="") $r.= "\t\t<priority>" . number_format($this->_priority,1) . "</priority>\n";

		$r.= "\t</url>\n";

		return $r;

	}

	function EscapeXML($string) {

		return str_replace ( array ( '&', '"', "'", '<', '>'), array ( '&amp;' , '&quot;', '&apos;' , '&lt;' , '&gt;'), $string);

	}

}

class GoogleSitemapGeneratorXmlEntry {

	var $_xml;

	function GoogleSitemapGeneratorXmlEntry($xml) {

		$this->_xml = $xml;

	}

	function Render() {

		return $this->_xml;

	}

}

class GoogleSitemapGeneratorDebugEntry extends GoogleSitemapGeneratorXmlEntry {

	function Render() {

		return "<!-- " . $this->_xml . " -->\n";

	}

}

/**

 * Base class for all priority providers

 * @author Arne Brachhold

 * @package sitemap

 * @since 3.0

 */

class GoogleSitemapGeneratorPrioProviderBase {

	/**

	 * @var int $_totalComments The total number of comments of all posts

	 * @access protected

	 */

	var $_totalComments=0;

	/**

	 * @var int $_totalComments The total number of posts

	 * @access protected

	 */

	var $_totalPosts=0;

	/**

	 * Returns the (translated) name of this priority provider

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return string The translated name

	*/

	function GetName() {

		return "";

	}

	/**

	 * Returns the (translated) description of this priority provider

	 *

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	 * @return string The translated description

	*/

	function GetDescription() {

		return "";

	}

	/**

	 * Initializes a new priority provider

	 *

	 * @param $totalComments int The total number of comments of all posts

	 * @param $totalPosts int The total number of posts

	 * @since 3.0

	 * @access public

	 * @author Arne Brachhold

	*/

	function GoogleSitemapGeneratorPrioProviderBase($totalComments,$totalPosts) {

		$this->_totalComments=$totalComments;

		$this->_totalPosts=$totalPosts;

	}

	/**

	 * Returns the priority for a specified post