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<?php
namespace Bitweaver\Rss;
/**
* @package rss
* 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 {
public $contentType = "text/html";
/**
* Contains HTML to be output at the start of the feed's html representation.
*/
public $header;
/**
* Contains HTML to be output at the end of the feed's html representation.
*/
public $footer;
/**
* Contains HTML to be output between entries. A separator is only used in
* case of multiple entries.
*/
public $separator;
/**
* Used to prefix the stylenames to make sure they are unique
* and do not clash with stylenames on the users' page.
*/
public $stylePrefix;
/**
* Determines whether the links open in a new window or not.
*/
public $openInNewWindow = true;
public $imageAlign = "right";
/**
* In case of very simple output you may want to get rid of the style tags,
* hence this variable. There's no equivalent on item level, but of course you can
* add strings to it while iterating over the items ($this->stylelessOutput .= ...)
* and when it is non-empty, ONLY the styleless output is printed, the rest is ignored
* in the function createFeed().
*/
public $stylelessOutput = "";
/**
* Writes the HTML.
* @return string the scripts's complete text
*/
public function createFeed() {
// if there is styleless output, use the content of this variable and ignore the rest
if ($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( ".", "_", $this->_generateFilename() ) . "_";
}
//set an openInNewWindow_token_to be inserted or not
if ($this->openInNewWindow) {
$targetInsert = " target='_blank'";
}
// use this array to put the lines in and implode later with "document.write" javascript
$feedArray = [];
if ($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>";
}
for ( $i = 0; $i < count( $this->items ); $i++ ) {
if ($this->separator and $i > 0) {
$feedArray[] = "<div class='" . $this->stylePrefix . "separator'>" . $this->separator . "</div>";
}
if ($this->items[$i]->title) {
$feedArray[] = ( $this->items[$i]->link ) ? "<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>" : "<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
*/
public function _generateFilename() {
$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".html";
}
}
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