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website_jukni/dokuwiki/inc/feedcreator.class.php

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Commit initial, état de jukni le 29 décembre 2017
2017-12-29 14:51:59 +00:00
<?php
/***************************************************************************
* FeedCreator class v1.7.2-ppt
* originally (c) Kai Blankenhorn
* www.bitfolge.de
* kaib@bitfolge.de
* v1.3 work by Scott Reynen (scott@randomchaos.com) and Kai Blankenhorn
* v1.5 OPML support by Dirk Clemens
* v1.7.2-mod on-the-fly feed generation by Fabian Wolf (info@f2w.de)
* v1.7.2-ppt ATOM 1.0 support by Mohammad Hafiz bin Ismail (mypapit@gmail.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @author www.bitfolge.de
*
* Changelog:
*
* this version contains some smaller modifications for DokuWiki as well
*
* v1.7.2-ppt 11-21-05
* added Atom 1.0 support
* added enclosure support for RSS 2.0/ATOM 1.0
* added docs for v1.7.2-ppt only!
*
* v1.7.2-mod 03-12-05
* added output function outputFeed for on-the-fly feed generation
*
* v1.7.2 10-11-04
* license changed to LGPL
*
* v1.7.1
* fixed a syntax bug
* fixed left over debug code
*
* v1.7 07-18-04
* added HTML and JavaScript feeds (configurable via CSS) (thanks to Pascal Van Hecke)
* added HTML descriptions for all feed formats (thanks to Pascal Van Hecke)
* added a switch to select an external stylesheet (thanks to Pascal Van Hecke)
* changed default content-type to application/xml
* added character encoding setting
* fixed numerous smaller bugs (thanks to Sören Fuhrmann of golem.de)
* improved changing ATOM versions handling (thanks to August Trometer)
* improved the UniversalFeedCreator's useCached method (thanks to Sören Fuhrmann of golem.de)
* added charset output in HTTP headers (thanks to Sören Fuhrmann of golem.de)
* added Slashdot namespace to RSS 1.0 (thanks to Sören Fuhrmann of golem.de)
*
* See www.bitfolge.de for additional changelog info
*/
// your local timezone, set to "" to disable or for GMT
define("TIME_ZONE",date("O", time()));
/**
* Version string.
**/
define("FEEDCREATOR_VERSION", "FeedCreator 1.7.2-ppt DokuWiki");
/**
* A FeedItem is a part of a FeedCreator feed.
*
* @author Kai Blankenhorn <kaib@bitfolge.de>
* @since 1.3
*/
class FeedItem extends HtmlDescribable {
/**
* Mandatory attributes of an item.
*/
var $title, $description, $link;
/**
* Optional attributes of an item.
*/
var $author, $authorEmail, $image, $category, $comments, $guid, $source, $creator;
/**
* Publishing date of an item. May be in one of the following formats:
*
* RFC 822:
* "Mon, 20 Jan 03 18:05:41 +0400"
* "20 Jan 03 18:05:41 +0000"
*
* ISO 8601:
* "2003-01-20T18:05:41+04:00"
*
* Unix:
* 1043082341
*/
var $date;
/**
* Add <enclosure> element tag RSS 2.0
* modified by : Mohammad Hafiz bin Ismail (mypapit@gmail.com)
*
*
* display :
* <enclosure length="17691" url="http://something.com/picture.jpg" type="image/jpeg" />
*
*/
var $enclosure;
/**
* Any additional elements to include as an assiciated array. All $key => $value pairs
* will be included unencoded in the feed item in the form
* <$key>$value</$key>
* Again: No encoding will be used! This means you can invalidate or enhance the feed
* if $value contains markup. This may be abused to embed tags not implemented by
* the FeedCreator class used.
*/
var $additionalElements = Array();
// on hold
// var $source;
}
/**
* Class EnclosureItem
*/
class EnclosureItem extends HtmlDescribable {
/*
*
* core variables
*
**/
var $url,$length,$type;
/*
* For use with another extension like Yahoo mRSS
* Warning :
* These variables might not show up in
* later release / not finalize yet!
*
*/
var $width, $height, $title, $description, $keywords, $thumburl;
var $additionalElements = Array();
}
/**
* An FeedImage may be added to a FeedCreator feed.
* @author Kai Blankenhorn <kaib@bitfolge.de>
* @since 1.3
*/
class FeedImage extends HtmlDescribable {
/**
* Mandatory attributes of an image.
*/
var $title, $url, $link;
/**
* Optional attributes of an image.
*/
var $width, $height, $description;
}
/**
* An HtmlDescribable is an item within a feed that can have a description that may
* include HTML markup.
*/
class HtmlDescribable {
/**
* Indicates whether the description field should be rendered in HTML.
*/
var $descriptionHtmlSyndicated;
/**
* Indicates whether and to how many characters a description should be truncated.
*/
var $descriptionTruncSize;
var $description;
/**
* Returns a formatted description field, depending on descriptionHtmlSyndicated and
* $descriptionTruncSize properties
* @return string the formatted description
*/
function getDescription() {
$descriptionField = new FeedHtmlField($this->description);
$descriptionField->syndicateHtml = $this->descriptionHtmlSyndicated;
$descriptionField->truncSize = $this->descriptionTruncSize;
return $descriptionField->output();
}
}
/**
* An FeedHtmlField describes and generates
* a feed, item or image html field (probably a description). Output is
* generated based on $truncSize, $syndicateHtml properties.
* @author Pascal Van Hecke <feedcreator.class.php@vanhecke.info>
* @version 1.6
*/
class FeedHtmlField {
/**
* Mandatory attributes of a FeedHtmlField.
*/
var $rawFieldContent;
/**
* Optional attributes of a FeedHtmlField.
*
*/
var $truncSize, $syndicateHtml;
/**
* Creates a new instance of FeedHtmlField.
* @param string $parFieldContent: if given, sets the rawFieldContent property
*/
function __construct($parFieldContent) {
if ($parFieldContent) {
$this->rawFieldContent = $parFieldContent;
}
}
/**
* Creates the right output, depending on $truncSize, $syndicateHtml properties.
* @return string the formatted field
*/
function output() {
// when field available and syndicated in html we assume
// - valid html in $rawFieldContent and we enclose in CDATA tags
// - no truncation (truncating risks producing invalid html)
if (!$this->rawFieldContent) {
$result = "";
} elseif ($this->syndicateHtml) {
$result = "<![CDATA[".$this->rawFieldContent."]]>";
} else {
if ($this->truncSize and is_int($this->truncSize)) {
$result = FeedCreator::iTrunc(htmlspecialchars($this->rawFieldContent),$this->truncSize);
} else {
$result = htmlspecialchars($this->rawFieldContent);
}
}
return $result;
}
}
/**
* UniversalFeedCreator lets you choose during runtime which
* format to build.
* For general usage of a feed class, see the FeedCreator class
* below or the example above.
*
* @since 1.3
* @author Kai Blankenhorn <kaib@bitfolge.de>
*/
class UniversalFeedCreator extends FeedCreator {
/** @var FeedCreator */
var $_feed;
/**
* Sets format
*
* @param string $format
*/
function _setFormat($format) {
switch (strtoupper($format)) {
case "2.0":
// fall through
case "RSS2.0":
$this->_feed = new RSSCreator20();
break;
case "1.0":
// fall through
case "RSS1.0":
$this->_feed = new RSSCreator10();
break;
case "0.91":
// fall through
case "RSS0.91":
$this->_feed = new RSSCreator091();
break;
case "PIE0.1":
$this->_feed = new PIECreator01();
break;
case "MBOX":
$this->_feed = new MBOXCreator();
break;
case "OPML":
$this->_feed = new OPMLCreator();
break;
case "ATOM":
// fall through: always the latest ATOM version
case "ATOM1.0":
$this->_feed = new AtomCreator10();
break;
case "ATOM0.3":
$this->_feed = new AtomCreator03();
break;
case "HTML":
$this->_feed = new HTMLCreator();
break;
case "JS":
// fall through
case "JAVASCRIPT":
$this->_feed = new JSCreator();
break;
default:
$this->_feed = new RSSCreator091();
break;
}
$vars = get_object_vars($this);
foreach ($vars as $key => $value) {
// prevent overwriting of properties "contentType", "encoding"; do not copy "_feed" itself
if (!in_array($key, array("_feed", "contentType", "encoding"))) {
$this->_feed->{$key} = $this->{$key};
}
}
}
function _sendMIME() {
header('Content-Type: '.$this->contentType.'; charset='.$this->encoding, true);
}
/**
* Creates a syndication feed based on the items previously added.
*
* @see FeedCreator::addItem()
* @param string $format format the feed should comply to. Valid values are:
* "PIE0.1", "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM0.3", "HTML", "JS"
* @return string the contents of the feed.
*/
function createFeed($format = "RSS0.91") {
$this->_setFormat($format);
return $this->_feed->createFeed();
}
/**
* Saves this feed as a file on the local disk. After the file is saved, an HTTP redirect
* header may be sent to redirect the use to the newly created file.
* @since 1.4
*
* @param string $format format the feed should comply to. Valid values are:
* "PIE0.1" (deprecated), "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM", "ATOM0.3", "HTML", "JS"
* @param string $filename optional the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["PHP_SELF"] with the extension changed to .xml (see _generateFilename()).
* @param boolean $displayContents optional send the content of the file or not. If true, the file will be sent in the body of the response.
*/
function saveFeed($format="RSS0.91", $filename="", $displayContents=true) {
$this->_setFormat($format);
$this->_feed->saveFeed($filename, $displayContents);
}
/**
* Turns on caching and checks if there is a recent version of this feed in the cache.
* If there is, an HTTP redirect header is sent.
* To effectively use caching, you should create the FeedCreator object and call this method
* before anything else, especially before you do the time consuming task to build the feed
* (web fetching, for example).
*
* @param string $format format the feed should comply to. Valid values are:
* "PIE0.1" (deprecated), "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM0.3".
* @param string $filename optional the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["PHP_SELF"] with the extension changed to .xml (see _generateFilename()).
* @param int $timeout optional the timeout in seconds before a cached version is refreshed (defaults to 3600 = 1 hour)
*/
function useCached($format="RSS0.91", $filename="", $timeout=3600) {
$this->_setFormat($format);
$this->_feed->useCached($filename, $timeout);
}
/**
* Outputs feed to the browser - needed for on-the-fly feed generation (like it is done in WordPress, etc.)
*
* @param $format string format the feed should comply to. Valid values are:
* "PIE0.1" (deprecated), "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM0.3".
*/
function outputFeed($format='RSS0.91') {
$this->_setFormat($format);
$this->_sendMIME();
$this->_feed->outputFeed();
}
}
/**
* FeedCreator is the abstract base implementation for concrete
* implementations that implement a specific format of syndication.
*
* @abstract
* @author Kai Blankenhorn <kaib@bitfolge.de>
* @since 1.4
*/
class FeedCreator extends HtmlDescribable {
/**
* Mandatory attributes of a feed.
*/
var $title, $description, $link;
/**
* Optional attributes of a feed.
*/
var $syndicationURL, $language, $copyright, $pubDate, $lastBuildDate, $editor, $editorEmail, $webmaster, $category, $docs, $ttl, $rating, $skipHours, $skipDays;
/**
* Optional attribute of a feed
*
* @var FeedImage
*/
var $image = null;
/**
* The url of the external xsl stylesheet used to format the naked rss feed.
* Ignored in the output when empty.
*/
var $xslStyleSheet = "";
/**
* Style sheet for rss feed
*/
var $cssStyleSheet = "";
/**
* @access private
* @var FeedItem[]
*/
var $items = Array();
/**
* This feed's MIME content type.
* @since 1.4
* @access private
*/
var $contentType = "application/xml";
/**
* This feed's character encoding.
* @since 1.6.1
**/
var $encoding = "utf-8";
/**
* Any additional elements to include as an assiciated array. All $key => $value pairs
* will be included unencoded in the feed in the form
* <$key>$value</$key>
* Again: No encoding will be used! This means you can invalidate or enhance the feed
* if $value contains markup. This may be abused to embed tags not implemented by
* the FeedCreator class used.
*/
var $additionalElements = Array();
var $_timeout;
/**
* Adds an FeedItem to the feed.
*
* @param FeedItem $item The FeedItem to add to the feed.
* @access public
*/
function addItem($item) {
$this->items[] = $item;
}
/**
* Truncates a string to a certain length at the most sensible point.
* First, if there's a '.' character near the end of the string, the string is truncated after this character.
* If there is no '.', the string is truncated after the last ' ' character.
* If the string is truncated, " ..." is appended.
* If the string is already shorter than $length, it is returned unchanged.
*
* @static
* @param string $string A string to be truncated.
* @param int $length the maximum length the string should be truncated to
* @return string the truncated string
*/
static function iTrunc($string, $length) {
if (strlen($string)<=$length) {
return $string;
}
$pos = strrpos($string,".");
if ($pos>=$length-4) {
$string = substr($string,0,$length-4);
$pos = strrpos($string,".");
}
if ($pos>=$length*0.4) {
return substr($string,0,$pos+1)." ...";
}
$pos = strrpos($string," ");
if ($pos>=$length-4) {
$string = substr($string,0,$length-4);
$pos = strrpos($string," ");
}
if ($pos>=$length*0.4) {
return substr($string,0,$pos)." ...";
}
return substr($string,0,$length-4)." ...";
}
/**
* Creates a comment indicating the generator of this feed.
* The format of this comment seems to be recognized by
* Syndic8.com.
*/
function _createGeneratorComment() {
return "<!-- generator=\"".FEEDCREATOR_VERSION."\" -->\n";
}
/**
* Creates a string containing all additional elements specified in
* $additionalElements.
* @param $elements array an associative array containing key => value pairs
* @param $indentString string a string that will be inserted before every generated line
* @return string the XML tags corresponding to $additionalElements
*/
function _createAdditionalElements($elements, $indentString="") {
$ae = "";
if (is_array($elements)) {
foreach($elements AS $key => $value) {
$ae.= $indentString."<$key>$value</$key>\n";
}
}
return $ae;
}
/**
* Create elements for stylesheets
*/
function _createStylesheetReferences() {
$xml = "";
if ($this->cssStyleSheet) $xml .= "<?xml-stylesheet href=\"".$this->cssStyleSheet."\" type=\"text/css\"?>\n";
if ($this->xslStyleSheet) $xml .= "<?xml-stylesheet href=\"".$this->xslStyleSheet."\" type=\"text/xsl\"?>\n";
return $xml;
}
/**
* Builds the feed's text.
* @abstract
* @return string the feed's complete text
*/
function createFeed() {
}
/**
* Generate a filename for the feed cache file. The result will be $_SERVER["PHP_SELF"] with the extension changed to .xml.
* For example:
*
* echo $_SERVER["PHP_SELF"]."\n";
* echo FeedCreator::_generateFilename();
*
* would produce:
*
* /rss/latestnews.php
* latestnews.xml
*
* @return string the feed cache filename
* @since 1.4
* @access private
*/
function _generateFilename() {
$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".xml";
}
/**
* @since 1.4
* @access private
*
* @param string $filename
*/
function _redirect($filename) {
// attention, heavily-commented-out-area
// maybe use this in addition to file time checking
//Header("Expires: ".date("r",time()+$this->_timeout));
/* no caching at all, doesn't seem to work as good:
Header("Cache-Control: no-cache");
Header("Pragma: no-cache");
*/
// HTTP redirect, some feed readers' simple HTTP implementations don't follow it
//Header("Location: ".$filename);
header("Content-Type: ".$this->contentType."; charset=".$this->encoding."; filename=".utf8_basename($filename));
header("Content-Disposition: inline; filename=".utf8_basename($filename));
readfile($filename);
die();
}
/**
* Turns on caching and checks if there is a recent version of this feed in the cache.
* If there is, an HTTP redirect header is sent.
* To effectively use caching, you should create the FeedCreator object and call this method
* before anything else, especially before you do the time consuming task to build the feed
* (web fetching, for example).
* @since 1.4
* @param $filename string optional the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["PHP_SELF"] with the extension changed to .xml (see _generateFilename()).
* @param $timeout int optional the timeout in seconds before a cached version is refreshed (defaults to 3600 = 1 hour)
*/
function useCached($filename="", $timeout=3600) {
$this->_timeout = $timeout;
if ($filename=="") {
$filename = $this->_generateFilename();
}
if (file_exists($filename) AND (time()-filemtime($filename) < $timeout)) {
$this->_redirect($filename);
}
}
/**
* Saves this feed as a file on the local disk. After the file is saved, a redirect
* header may be sent to redirect the user to the newly created file.
* @since 1.4
*
* @param $filename string optional the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["PHP_SELF"] with the extension changed to .xml (see _generateFilename()).
* @param $displayContents boolean optional send an HTTP redirect header or not. If true, the user will be automatically redirected to the created file.
*/
function saveFeed($filename="", $displayContents=true) {
if ($filename=="") {
$filename = $this->_generateFilename();
}
$feedFile = fopen($filename, "w+");
if ($feedFile) {
fputs($feedFile,$this->createFeed());
fclose($feedFile);
if ($displayContents) {
$this->_redirect($filename);
}
} else {
echo "<br /><b>Error creating feed file, please check write permissions.</b><br />";
}
}
/**
* Outputs this feed directly to the browser - for on-the-fly feed generation
* @since 1.7.2-mod
*
* still missing: proper header output - currently you have to add it manually
*/
function outputFeed() {
echo $this->createFeed();
}
}
/**
* FeedDate is an internal class that stores a date for a feed or feed item.
* Usually, you won't need to use this.
*/
class FeedDate {
/** @var int */
var $unix;
/**
* Creates a new instance of FeedDate representing a given date.
* Accepts RFC 822, ISO 8601 date formats as well as unix time stamps.
* @param mixed $dateString optional the date this FeedDate will represent. If not specified, the current date and time is used.
*/
function __construct($dateString="") {
if ($dateString=="") $dateString = date("r");
if (is_numeric($dateString)) {
$this->unix = $dateString;
return;
}
if (preg_match("~(?:(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),\\s+)?(\\d{1,2})\\s+([a-zA-Z]{3})\\s+(\\d{4})\\s+(\\d{2}):(\\d{2}):(\\d{2})\\s+(.*)~",$dateString,$matches)) {
$months = Array("Jan"=>1,"Feb"=>2,"Mar"=>3,"Apr"=>4,"May"=>5,"Jun"=>6,"Jul"=>7,"Aug"=>8,"Sep"=>9,"Oct"=>10,"Nov"=>11,"Dec"=>12);
$this->unix = mktime($matches[4],$matches[5],$matches[6],$months[$matches[2]],$matches[1],$matches[3]);
if (substr($matches[7],0,1)=='+' OR substr($matches[7],0,1)=='-') {
$tzOffset = (((int) substr($matches[7],0,3) * 60) +
(int) substr($matches[7],-2)) * 60;
} else {
if (strlen($matches[7])==1) {
$oneHour = 3600;
$ord = ord($matches[7]);
if ($ord < ord("M")) {
$tzOffset = (ord("A") - $ord - 1) * $oneHour;
} elseif ($ord >= ord("M") AND $matches[7]!="Z") {
$tzOffset = ($ord - ord("M")) * $oneHour;
} elseif ($matches[7]=="Z") {
$tzOffset = 0;
}
}
switch ($matches[7]) {
case "UT":
case "GMT": $tzOffset = 0;
}
}
$this->unix += $tzOffset;
return;
}
if (preg_match("~(\\d{4})-(\\d{2})-(\\d{2})T(\\d{2}):(\\d{2}):(\\d{2})(.*)~",$dateString,$matches)) {
$this->unix = mktime($matches[4],$matches[5],$matches[6],$matches[2],$matches[3],$matches[1]);
if (substr($matches[7],0,1)=='+' OR substr($matches[7],0,1)=='-') {
$tzOffset = (((int) substr($matches[7],0,3) * 60) +
(int) substr($matches[7],-2)) * 60;
} else {
if ($matches[7]=="Z") {
$tzOffset = 0;
}
}
$this->unix += $tzOffset;
return;
}
$this->unix = 0;
}
/**
* Gets the date stored in this FeedDate as an RFC 822 date.
*
* @return string a date in RFC 822 format
*/
function rfc822() {
//return gmdate("r",$this->unix);
$date = gmdate("D, d M Y H:i:s", $this->unix);
if (TIME_ZONE!="") $date .= " ".str_replace(":","",TIME_ZONE);
return $date;
}
/**
* Gets the date stored in this FeedDate as an ISO 8601 date.
*
* @return string a date in ISO 8601 (RFC 3339) format
*/
function iso8601() {
$date = gmdate("Y-m-d\TH:i:sO",$this->unix);
if (TIME_ZONE!="") $date = str_replace("+0000",TIME_ZONE,$date);
$date = substr($date,0,22) . ':' . substr($date,-2);
return $date;
}
/**
* Gets the date stored in this FeedDate as unix time stamp.
*
* @return int a date as a unix time stamp
*/
function unix() {
return $this->unix;
}
}
/**
* RSSCreator10 is a FeedCreator that implements RDF Site Summary (RSS) 1.0.
*
* @see http://www.purl.org/rss/1.0/
* @since 1.3
* @author Kai Blankenhorn <kaib@bitfolge.de>
*/
class RSSCreator10 extends FeedCreator {
/**
* Builds the RSS feed's text. The feed will be compliant to RDF Site Summary (RSS) 1.0.
* The feed will contain all items previously added in the same order.
* @return string the feed's complete text
*/
function createFeed() {
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed.= $this->_createGeneratorComment();
if ($this->cssStyleSheet=="") {
$this->cssStyleSheet = "http://www.w3.org/2000/08/w3c-synd/style.css";
}
$feed.= $this->_createStylesheetReferences();
$feed.= "<rdf:RDF\n";
$feed.= " xmlns=\"http://purl.org/rss/1.0/\"\n";
$feed.= " xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"\n";
$feed.= " xmlns:slash=\"http://purl.org/rss/1.0/modules/slash/\"\n";
$feed.= " xmlns:dc=\"http://purl.org/dc/elements/1.1/\">\n";
$feed.= " <channel rdf:about=\"".$this->syndicationURL."\">\n";
$feed.= " <title>".htmlspecialchars($this->title)."</title>\n";
$feed.= " <description>".htmlspecialchars($this->description)."</description>\n";
$feed.= " <link>".$this->link."</link>\n";
if ($this->image!=null) {
$feed.= " <image rdf:resource=\"".$this->image->url."\" />\n";
}
$now = new FeedDate();
$feed.= " <dc:date>".htmlspecialchars($now->iso8601())."</dc:date>\n";
$feed.= " <items>\n";
$feed.= " <rdf:Seq>\n";
$icnt = count($this->items);
for ($i=0; $i<$icnt; $i++) {
$feed.= " <rdf:li rdf:resource=\"".htmlspecialchars($this->items[$i]->link)."\"/>\n";
}
$feed.= " </rdf:Seq>\n";
$feed.= " </items>\n";
$feed.= " </channel>\n";
if ($this->image!=null) {
$feed.= " <image rdf:about=\"".$this->image->url."\">\n";
$feed.= " <title>".htmlspecialchars($this->image->title)."</title>\n";
$feed.= " <link>".$this->image->link."</link>\n";
$feed.= " <url>".$this->image->url."</url>\n";
$feed.= " </image>\n";
}
$feed.= $this->_createAdditionalElements($this->additionalElements, " ");
$icnt = count($this->items);
for ($i=0; $i<$icnt; $i++) {
$feed.= " <item rdf:about=\"".htmlspecialchars($this->items[$i]->link)."\">\n";
//$feed.= " <dc:type>Posting</dc:type>\n";
$feed.= " <dc:format>text/html</dc:format>\n";
if ($this->items[$i]->date!=null) {
$itemDate = new FeedDate($this->items[$i]->date);
$feed.= " <dc:date>".htmlspecialchars($itemDate->iso8601())."</dc:date>\n";
}
if ($this->items[$i]->source!="") {
$feed.= " <dc:source>".htmlspecialchars($this->items[$i]->source)."</dc:source>\n";
}
if ($this->items[$i]->author!="") {
$feed.= " <dc:creator>".htmlspecialchars($this->items[$i]->author)."</dc:creator>\n";
}
$feed.= " <title>".htmlspecialchars(strip_tags(strtr($this->items[$i]->title,"\n\r"," ")))."</title>\n";
$feed.= " <link>".htmlspecialchars($this->items[$i]->link)."</link>\n";
$feed.= " <description>".htmlspecialchars($this->items[$i]->description)."</description>\n";
$feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
$feed.= " </item>\n";
}
$feed.= "</rdf:RDF>\n";
return $feed;
}
}
/**
* RSSCreator091 is a FeedCreator that implements RSS 0.91 Spec, revision 3.
*
* @see http://my.netscape.com/publish/formats/rss-spec-0.91.html
* @since 1.3
* @author Kai Blankenhorn <kaib@bitfolge.de>
*/
class RSSCreator091 extends FeedCreator {
/**
* Stores this RSS feed's version number.
* @access private
*/
var $RSSVersion;
/**
* Constructor
*/
function __construct() {
$this->_setRSSVersion("0.91");
$this->contentType = "application/rss+xml";
}
/**
* Sets this RSS feed's version number.
* @access private
*
* @param $version
*/
function _setRSSVersion($version) {
$this->RSSVersion = $version;
}
/**
* Builds the RSS feed's text. The feed will be compliant to RDF Site Summary (RSS) 1.0.
* The feed will contain all items previously added in the same order.
* @return string the feed's complete text
*/
function createFeed() {
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed.= $this->_createGeneratorComment();
$feed.= $this->_createStylesheetReferences();
$feed.= "<rss version=\"".$this->RSSVersion."\">\n";
$feed.= " <channel>\n";
$feed.= " <title>".FeedCreator::iTrunc(htmlspecialchars($this->title),100)."</title>\n";
$this->descriptionTruncSize = 500;
$feed.= " <description>".$this->getDescription()."</description>\n";
$feed.= " <link>".$this->link."</link>\n";
$now = new FeedDate();
$feed.= " <lastBuildDate>".htmlspecialchars($now->rfc822())."</lastBuildDate>\n";
$feed.= " <generator>".FEEDCREATOR_VERSION."</generator>\n";
if ($this->image!=null) {
$feed.= " <image>\n";
$feed.= " <url>".$this->image->url."</url>\n";
$feed.= " <title>".FeedCreator::iTrunc(htmlspecialchars($this->image->title),100)."</title>\n";
$feed.= " <link>".$this->image->link."</link>\n";
if ($this->image->width!="") {
$feed.= " <width>".$this->image->width."</width>\n";
}
if ($this->image->height!="") {
$feed.= " <height>".$this->image->height."</height>\n";
}
if ($this->image->description!="") {
$feed.= " <description>".$this->image->getDescription()."</description>\n";
}
$feed.= " </image>\n";
}
if ($this->language!="") {
$feed.= " <language>".$this->language."</language>\n";
}
if ($this->copyright!="") {
$feed.= " <copyright>".FeedCreator::iTrunc(htmlspecialchars($this->copyright),100)."</copyright>\n";
}
if ($this->editor!="") {
$feed.= " <managingEditor>".FeedCreator::iTrunc(htmlspecialchars($this->editor),100)."</managingEditor>\n";
}
if ($this->webmaster!="") {
$feed.= " <webMaster>".FeedCreator::iTrunc(htmlspecialchars($this->webmaster),100)."</webMaster>\n";
}
if ($this->pubDate!="") {
$pubDate = new FeedDate($this->pubDate);
$feed.= " <pubDate>".htmlspecialchars($pubDate->rfc822())."</pubDate>\n";
}
if ($this->category!="") {
// Changed for DokuWiki: multiple categories are possible
if(is_array($this->category)) foreach($this->category as $cat){
$feed.= " <category>".htmlspecialchars($cat)."</category>\n";
}else{
$feed.= " <category>".htmlspecialchars($this->category)."</category>\n";
}
}
if ($this->docs!="") {
$feed.= " <docs>".FeedCreator::iTrunc(htmlspecialchars($this->docs),500)."</docs>\n";
}
if ($this->ttl!="") {
$feed.= " <ttl>".htmlspecialchars($this->ttl)."</ttl>\n";
}
if ($this->rating!="") {
$feed.= " <rating>".FeedCreator::iTrunc(htmlspecialchars($this->rating),500)."</rating>\n";
}
if ($this->skipHours!="") {
$feed.= " <skipHours>".htmlspecialchars($this->skipHours)."</skipHours>\n";
}
if ($this->skipDays!="") {
$feed.= " <skipDays>".htmlspecialchars($this->skipDays)."</skipDays>\n";
}
$feed.= $this->_createAdditionalElements($this->additionalElements, " ");
$icnt = count($this->items);
for ($i=0; $i<$icnt; $i++) {
$feed.= " <item>\n";
$feed.= " <title>".FeedCreator::iTrunc(htmlspecialchars(strip_tags($this->items[$i]->title)),100)."</title>\n";
$feed.= " <link>".htmlspecialchars($this->items[$i]->link)."</link>\n";
$feed.= " <description>".$this->items[$i]->getDescription()."</description>\n";
if ($this->items[$i]->author!="") {
$feed.= " <author>".htmlspecialchars($this->items[$i]->author)."</author>\n";
}
/*
// on hold
if ($this->items[$i]->source!="") {
$feed.= " <source>".htmlspecialchars($this->items[$i]->source)."</source>\n";
}
*/
if ($this->items[$i]->category!="") {
// Changed for DokuWiki: multiple categories are possible
if(is_array($this->items[$i]->category)) foreach($this->items[$i]->category as $cat){
$feed.= " <category>".htmlspecialchars($cat)."</category>\n";
}else{
$feed.= " <category>".htmlspecialchars($this->items[$i]->category)."</category>\n";
}
}
if ($this->items[$i]->comments!="") {
$feed.= " <comments>".htmlspecialchars($this->items[$i]->comments)."</comments>\n";
}
if ($this->items[$i]->date!="") {
$itemDate = new FeedDate($this->items[$i]->date);
$feed.= " <pubDate>".htmlspecialchars($itemDate->rfc822())."</pubDate>\n";
}
if ($this->items[$i]->guid!="") {
$feed.= " <guid>".htmlspecialchars($this->items[$i]->guid)."</guid>\n";
}
$feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
if ($this->RSSVersion == "2.0" && $this->items[$i]->enclosure != null) {
$feed.= " <enclosure url=\"";
$feed.= $this->items[$i]->enclosure->url;
$feed.= "\" length=\"";
$feed.= $this->items[$i]->enclosure->length;
$feed.= "\" type=\"";
$feed.= $this->items[$i]->enclosure->type;
$feed.= "\"/>\n";
}
$feed.= " </item>\n";
}
$feed.= " </channel>\n";
$feed.= "</rss>\n";
return $feed;
}
}
/**
* RSSCreator20 is a FeedCreator that implements RDF Site Summary (RSS) 2.0.
*
* @see http://backend.userland.com/rss
* @since 1.3
* @author Kai Blankenhorn <kaib@bitfolge.de>
*/
class RSSCreator20 extends RSSCreator091 {
/**
* Constructor
*/
function __construct() {
parent::_setRSSVersion("2.0");
}
}
/**
* PIECreator01 is a FeedCreator that implements the emerging PIE specification,
* as in http://intertwingly.net/wiki/pie/Syntax.
*
* @deprecated
* @since 1.3
* @author Scott Reynen <scott@randomchaos.com> and Kai Blankenhorn <kaib@bitfolge.de>
*/
class PIECreator01 extends FeedCreator {
/**
* Constructor
*/
function __construct() {
$this->encoding = "utf-8";
}
/**
* Build content
* @return string
*/
function createFeed() {
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed.= $this->_createStylesheetReferences();
$feed.= "<feed version=\"0.1\" xmlns=\"http://example.com/newformat#\">\n";
$feed.= " <title>".FeedCreator::iTrunc(htmlspecialchars($this->title),100)."</title>\n";
$this->descriptionTruncSize = 500;
$feed.= " <subtitle>".$this->getDescription()."</subtitle>\n";
$feed.= " <link>".$this->link."</link>\n";
$icnt = count($this->items);
for ($i=0; $i<$icnt; $i++) {
$feed.= " <entry>\n";
$feed.= " <title>".FeedCreator::iTrunc(htmlspecialchars(strip_tags($this->items[$i]->title)),100)."</title>\n";
$feed.= " <link>".htmlspecialchars($this->items[$i]->link)."</link>\n";
$itemDate = new FeedDate($this->items[$i]->date);
$feed.= " <created>".htmlspecialchars($itemDate->iso8601())."</created>\n";
$feed.= " <issued>".htmlspecialchars($itemDate->iso8601())."</issued>\n";
$feed.= " <modified>".htmlspecialchars($itemDate->iso8601())."</modified>\n";
$feed.= " <id>".htmlspecialchars($this->items[$i]->guid)."</id>\n";
if ($this->items[$i]->author!="") {
$feed.= " <author>\n";
$feed.= " <name>".htmlspecialchars($this->items[$i]->author)."</name>\n";
if ($this->items[$i]->authorEmail!="") {
$feed.= " <email>".$this->items[$i]->authorEmail."</email>\n";
}
$feed.=" </author>\n";
}
$feed.= " <content type=\"text/html\" xml:lang=\"en-us\">\n";
$feed.= " <div xmlns=\"http://www.w3.org/1999/xhtml\">".$this->items[$i]->getDescription()."</div>\n";
$feed.= " </content>\n";
$feed.= " </entry>\n";
}
$feed.= "</feed>\n";
return $feed;
}
}
/**
* AtomCreator10 is a FeedCreator that implements the atom specification,
* as in http://www.atomenabled.org/developers/syndication/atom-format-spec.php
* Please note that just by using AtomCreator10 you won't automatically
* produce valid atom files. For example, you have to specify either an editor
* for the feed or an author for every single feed item.
*
* Some elements have not been implemented yet. These are (incomplete list):
* author URL, item author's email and URL, item contents, alternate links,
* other link content types than text/html. Some of them may be created with
* AtomCreator10::additionalElements.
*
* @see FeedCreator#additionalElements
* @since 1.7.2-mod (modified)
* @author Mohammad Hafiz Ismail (mypapit@gmail.com)
*/
class AtomCreator10 extends FeedCreator {
/**
* Constructor
*/
function __construct() {
$this->contentType = "application/atom+xml";
$this->encoding = "utf-8";
}
/**
* Build content
* @return string
*/
function createFeed() {
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed.= $this->_createGeneratorComment();
$feed.= $this->_createStylesheetReferences();
$feed.= "<feed xmlns=\"http://www.w3.org/2005/Atom\"";
if ($this->language!="") {
$feed.= " xml:lang=\"".$this->language."\"";
}
$feed.= ">\n";
$feed.= " <title>".htmlspecialchars($this->title)."</title>\n";
$feed.= " <subtitle>".htmlspecialchars($this->description)."</subtitle>\n";
$feed.= " <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->link)."\"/>\n";
$feed.= " <id>".htmlspecialchars($this->link)."</id>\n";
$now = new FeedDate();
$feed.= " <updated>".htmlspecialchars($now->iso8601())."</updated>\n";
if ($this->editor!="") {
$feed.= " <author>\n";
$feed.= " <name>".$this->editor."</name>\n";
if ($this->editorEmail!="") {
$feed.= " <email>".$this->editorEmail."</email>\n";
}
$feed.= " </author>\n";
}
$feed.= " <generator>".FEEDCREATOR_VERSION."</generator>\n";
$feed.= "<link rel=\"self\" type=\"application/atom+xml\" href=\"". $this->syndicationURL . "\" />\n";
$feed.= $this->_createAdditionalElements($this->additionalElements, " ");
$icnt = count($this->items);
for ($i=0; $i<$icnt; $i++) {
$feed.= " <entry>\n";
$feed.= " <title>".htmlspecialchars(strip_tags($this->items[$i]->title))."</title>\n";
$feed.= " <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->items[$i]->link)."\"/>\n";
if ($this->items[$i]->date=="") {
$this->items[$i]->date = time();
}
$itemDate = new FeedDate($this->items[$i]->date);
$feed.= " <published>".htmlspecialchars($itemDate->iso8601())."</published>\n";
$feed.= " <updated>".htmlspecialchars($itemDate->iso8601())."</updated>\n";
$feed.= " <id>".htmlspecialchars($this->items[$i]->link)."</id>\n";
$feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
if ($this->items[$i]->author!="") {
$feed.= " <author>\n";
$feed.= " <name>".htmlspecialchars($this->items[$i]->author)."</name>\n";
$feed.= " </author>\n";
}
if ($this->items[$i]->description!="") {
$feed.= " <summary>".htmlspecialchars($this->items[$i]->description)."</summary>\n";
}
if ($this->items[$i]->enclosure != null) {
$feed.=" <link rel=\"enclosure\" href=\"". $this->items[$i]->enclosure->url ."\" type=\"". $this->items[$i]->enclosure->type."\" length=\"". $this->items[$i]->enclosure->length . "\" />\n";
}
$feed.= " </entry>\n";
}
$feed.= "</feed>\n";
return $feed;
}
}
/**
* AtomCreator03 is a FeedCreator that implements the atom specification,
* as in http://www.intertwingly.net/wiki/pie/FrontPage.
* Please note that just by using AtomCreator03 you won't automatically
* produce valid atom files. For example, you have to specify either an editor
* for the feed or an author for every single feed item.
*
* Some elements have not been implemented yet. These are (incomplete list):
* author URL, item author's email and URL, item contents, alternate links,
* other link content types than text/html. Some of them may be created with
* AtomCreator03::additionalElements.
*
* @see FeedCreator#additionalElements
* @since 1.6
* @author Kai Blankenhorn <kaib@bitfolge.de>, Scott Reynen <scott@randomchaos.com>
*/
class AtomCreator03 extends FeedCreator {
/**
* Constructor
*/
function __construct() {
$this->contentType = "application/atom+xml";
$this->encoding = "utf-8";
}
/**
* Build content
* @return string
*/
function createFeed() {
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed.= $this->_createGeneratorComment();
$feed.= $this->_createStylesheetReferences();
$feed.= "<feed version=\"0.3\" xmlns=\"http://purl.org/atom/ns#\"";
if ($this->language!="") {
$feed.= " xml:lang=\"".$this->language."\"";
}
$feed.= ">\n";
$feed.= " <title>".htmlspecialchars($this->title)."</title>\n";
$feed.= " <tagline>".htmlspecialchars($this->description)."</tagline>\n";
$feed.= " <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->link)."\"/>\n";
$feed.= " <id>".htmlspecialchars($this->link)."</id>\n";
$now = new FeedDate();
$feed.= " <modified>".htmlspecialchars($now->iso8601())."</modified>\n";
if ($this->editor!="") {
$feed.= " <author>\n";
$feed.= " <name>".$this->editor."</name>\n";
if ($this->editorEmail!="") {
$feed.= " <email>".$this->editorEmail."</email>\n";
}
$feed.= " </author>\n";
}
$feed.= " <generator>".FEEDCREATOR_VERSION."</generator>\n";
$feed.= $this->_createAdditionalElements($this->additionalElements, " ");
$icnt = count($this->items);
for ($i=0; $i<$icnt; $i++) {
$feed.= " <entry>\n";
$feed.= " <title>".htmlspecialchars(strip_tags($this->items[$i]->title))."</title>\n";
$feed.= " <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->items[$i]->link)."\"/>\n";
if ($this->items[$i]->date=="") {
$this->items[$i]->date = time();
}
$itemDate = new FeedDate($this->items[$i]->date);
$feed.= " <created>".htmlspecialchars($itemDate->iso8601())."</created>\n";
$feed.= " <issued>".htmlspecialchars($itemDate->iso8601())."</issued>\n";
$feed.= " <modified>".htmlspecialchars($itemDate->iso8601())."</modified>\n";
$feed.= " <id>".htmlspecialchars($this->items[$i]->link)."</id>\n";
$feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
if ($this->items[$i]->author!="") {
$feed.= " <author>\n";
$feed.= " <name>".htmlspecialchars($this->items[$i]->author)."</name>\n";
$feed.= " </author>\n";
}
if ($this->items[$i]->description!="") {
$feed.= " <summary>".htmlspecialchars($this->items[$i]->description)."</summary>\n";
}
$feed.= " </entry>\n";
}
$feed.= "</feed>\n";
return $feed;
}
}
/**
* MBOXCreator is a FeedCreator that implements the mbox format
* as described in http://www.qmail.org/man/man5/mbox.html
*
* @since 1.3
* @author Kai Blankenhorn <kaib@bitfolge.de>
*/
class MBOXCreator extends FeedCreator {
/**
* Constructor
*/
function __construct() {
$this->contentType = "text/plain";
$this->encoding = "utf-8";
}
/**
* @param string $input
* @param int $line_max
* @return string
*/
function qp_enc($input = "", $line_max = 76) {
$hex = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');
$lines = preg_split("/(?:\r\n|\r|\n)/", $input);
$eol = "\r\n";
$escape = "=";
$output = "";
while( list(, $line) = each($lines) ) {
//$line = rtrim($line); // remove trailing white space -> no =20\r\n necessary
$linlen = strlen($line);
$newline = "";
for($i = 0; $i < $linlen; $i++) {
$c = substr($line, $i, 1);
$dec = ord($c);
if ( ($dec == 32) && ($i == ($linlen - 1)) ) { // convert space at eol only
$c = "=20";
} elseif ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) { // always encode "\t", which is *not* required
$h2 = floor($dec/16);
$h1 = floor($dec%16);
$c = $escape.$hex["$h2"].$hex["$h1"];
}
if ( (strlen($newline) + strlen($c)) >= $line_max ) { // CRLF is not counted
$output .= $newline.$escape.$eol; // soft line break; " =\r\n" is okay
$newline = "";
}
$newline .= $c;
} // end of for
$output .= $newline.$eol;
}
return trim($output);
}
/**
* Builds the MBOX contents.
* @return string the feed's complete text
*/
function createFeed() {
$icnt = count($this->items);
$feed = "";
for ($i=0; $i<$icnt; $i++) {
if ($this->items[$i]->author!="") {
$from = $this->items[$i]->author;
} else {
$from = $this->title;
}
$itemDate = new FeedDate($this->items[$i]->date);
$feed.= "From ".strtr(MBOXCreator::qp_enc($from)," ","_")." ".date("D M d H:i:s Y",$itemDate->unix())."\n";
$feed.= "Content-Type: text/plain;\n";
$feed.= " charset=\"".$this->encoding."\"\n";
$feed.= "Content-Transfer-Encoding: quoted-printable\n";
$feed.= "Content-Type: text/plain\n";
$feed.= "From: \"".MBOXCreator::qp_enc($from)."\"\n";
$feed.= "Date: ".$itemDate->rfc822()."\n";
$feed.= "Subject: ".MBOXCreator::qp_enc(FeedCreator::iTrunc($this->items[$i]->title,100))."\n";
$feed.= "\n";
$body = chunk_split(MBOXCreator::qp_enc($this->items[$i]->description));
$feed.= preg_replace("~\nFrom ([^\n]*)(\n?)~","\n>From $1$2\n",$body);
$feed.= "\n";
$feed.= "\n";
}
return $feed;
}
/**
* Generate a filename for the feed cache file. Overridden from FeedCreator to prevent XML data types.
* @return string the feed cache filename
* @since 1.4
* @access private
*/
function _generateFilename() {
$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".mbox";
}
}
/**
* OPMLCreator is a FeedCreator that implements OPML 1.0.
*
* @see http://opml.scripting.com/spec
* @author Dirk Clemens, Kai Blankenhorn
* @since 1.5
*/
class OPMLCreator extends FeedCreator {
/**
* Constructor
*/
function __construct() {
$this->encoding = "utf-8";
}
/**
* Build content
* @return string
*/
function createFeed() {
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed.= $this->_createGeneratorComment();
$feed.= $this->_createStylesheetReferences();
$feed.= "<opml xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n";
$feed.= " <head>\n";
$feed.= " <title>".htmlspecialchars($this->title)."</title>\n";
if ($this->pubDate!="") {
$date = new FeedDate($this->pubDate);
$feed.= " <dateCreated>".$date->rfc822()."</dateCreated>\n";
}
if ($this->lastBuildDate!="") {
$date = new FeedDate($this->lastBuildDate);
$feed.= " <dateModified>".$date->rfc822()."</dateModified>\n";
}
if ($this->editor!="") {
$feed.= " <ownerName>".$this->editor."</ownerName>\n";
}
if ($this->editorEmail!="") {
$feed.= " <ownerEmail>".$this->editorEmail."</ownerEmail>\n";
}
$feed.= " </head>\n";
$feed.= " <body>\n";
$icnt = count($this->items);
for ($i=0;$i<$icnt; $i++) {
$feed.= " <outline type=\"rss\" ";
$title = htmlspecialchars(strip_tags(strtr($this->items[$i]->title,"\n\r"," ")));
$feed.= " title=\"".$title."\"";
$feed.= " text=\"".$title."\"";
//$feed.= " description=\"".htmlspecialchars($this->items[$i]->description)."\"";
$feed.= " url=\"".htmlspecialchars($this->items[$i]->link)."\"";
$feed.= "/>\n";
}
$feed.= " </body>\n";
$feed.= "</opml>\n";
return $feed;
}
}
/**
* HTMLCreator is a FeedCreator that writes an HTML feed file to a specific
* location, overriding the createFeed method of the parent FeedCreator.
* The HTML produced can be included over http by scripting languages, or serve
* as the source for an IFrame.
* All output by this class is embedded in <div></div> tags to enable formatting
* using CSS.
*
* @author Pascal Van Hecke
* @since 1.7
*/
class HTMLCreator extends FeedCreator {
var $contentType = "text/html";
/**
* Contains HTML to be output at the start of the feed's html representation.
*/
var $header;
/**
* Contains HTML to be output at the end of the feed's html representation.
*/
var $footer ;
/**
* Contains HTML to be output between entries. A separator is only used in
* case of multiple entries.
*/
var $separator;
/**
* Used to prefix the stylenames to make sure they are unique
* and do not clash with stylenames on the users' page.
*/
var $stylePrefix;
/**
* Determines whether the links open in a new window or not.
*/
var $openInNewWindow = true;
var $imageAlign ="right";
/**
* In case of very simple output you may want to get rid of the style tags,
* hence this variable. There's no equivalent on item level, but of course you can
* add strings to it while iterating over the items ($this->stylelessOutput .= ...)
* and when it is non-empty, ONLY the styleless output is printed, the rest is ignored
* in the function createFeed().
*/
var $stylelessOutput ="";
/**
* Writes the HTML.
* @return string the scripts's complete text
*/
function createFeed() {
// if there is styleless output, use the content of this variable and ignore the rest
if ($this->stylelessOutput!="") {
return $this->stylelessOutput;
}
//if no stylePrefix is set, generate it yourself depending on the script name
if ($this->stylePrefix=="") {
$this->stylePrefix = str_replace(".", "_", $this->_generateFilename())."_";
}
//set an openInNewWindow_token_to be inserted or not
$targetInsert = "";
if ($this->openInNewWindow) {
$targetInsert = " target='_blank'";
}
// use this array to put the lines in and implode later with "document.write" javascript
$feedArray = array();
if ($this->image!=null) {
$imageStr = "<a href='".$this->image->link."'".$targetInsert.">".
"<img src='".$this->image->url."' border='0' alt='".
FeedCreator::iTrunc(htmlspecialchars($this->image->title),100).
"' align='".$this->imageAlign."' ";
if ($this->image->width) {
$imageStr .=" width='".$this->image->width. "' ";
}
if ($this->image->height) {
$imageStr .=" height='".$this->image->height."' ";
}
$imageStr .="/></a>";
$feedArray[] = $imageStr;
}
if ($this->title) {
$feedArray[] = "<div class='".$this->stylePrefix."title'><a href='".$this->link."' ".$targetInsert." class='".$this->stylePrefix."title'>".
FeedCreator::iTrunc(htmlspecialchars($this->title),100)."</a></div>";
}
if ($this->getDescription()) {
$feedArray[] = "<div class='".$this->stylePrefix."description'>".
str_replace("]]>", "", str_replace("<![CDATA[", "", $this->getDescription())).
"</div>";
}
if ($this->header) {
$feedArray[] = "<div class='".$this->stylePrefix."header'>".$this->header."</div>";
}
$icnt = count($this->items);
for ($i=0; $i<$icnt; $i++) {
if ($this->separator and $i > 0) {
$feedArray[] = "<div class='".$this->stylePrefix."separator'>".$this->separator."</div>";
}
if ($this->items[$i]->title) {
if ($this->items[$i]->link) {
$feedArray[] =
"<div class='".$this->stylePrefix."item_title'><a href='".$this->items[$i]->link."' class='".$this->stylePrefix.
"item_title'".$targetInsert.">".FeedCreator::iTrunc(htmlspecialchars(strip_tags($this->items[$i]->title)),100).
"</a></div>";
} else {
$feedArray[] =
"<div class='".$this->stylePrefix."item_title'>".
FeedCreator::iTrunc(htmlspecialchars(strip_tags($this->items[$i]->title)),100).
"</div>";
}
}
if ($this->items[$i]->getDescription()) {
$feedArray[] =
"<div class='".$this->stylePrefix."item_description'>".
str_replace("]]>", "", str_replace("<![CDATA[", "", $this->items[$i]->getDescription())).
"</div>";
}
}
if ($this->footer) {
$feedArray[] = "<div class='".$this->stylePrefix."footer'>".$this->footer."</div>";
}
$feed= "".join($feedArray, "\r\n");
return $feed;
}
/**
* Overrrides parent to produce .html extensions
*
* @return string the feed cache filename
* @since 1.4
* @access private
*/
function _generateFilename() {
$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".html";
}
}
/**
* JSCreator is a class that writes a js file to a specific
* location, overriding the createFeed method of the parent HTMLCreator.
*
* @author Pascal Van Hecke
*/
class JSCreator extends HTMLCreator {
var $contentType = "text/javascript";
/**
* writes the javascript
* @return string the scripts's complete text
*/
function createFeed() {
$feed = parent::createFeed();
$feedArray = explode("\n",$feed);
$jsFeed = "";
foreach ($feedArray as $value) {
$jsFeed .= "document.write('".trim(addslashes($value))."');\n";
}
return $jsFeed;
}
/**
* Overrrides parent to produce .js extensions
*
* @return string the feed cache filename
* @since 1.4
* @access private
*/
function _generateFilename() {
$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".js";
}
}
/**
* This class allows to override the hardcoded charset
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
class DokuWikiFeedCreator extends UniversalFeedCreator{
/**
* Build content
*
* @param string $format
* @param string $encoding
* @return string
*/
function createFeed($format = "RSS0.91",$encoding='iso-8859-15') {
$this->_setFormat($format);
$this->_feed->encoding = $encoding;
return $this->_feed->createFeed();
}
}
//Setup VIM: ex: et ts=4 :
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