[med-svn] r499 - in trunk/community/website: . inc

hanska-guest at alioth.debian.org hanska-guest at alioth.debian.org
Tue Oct 2 11:30:24 UTC 2007


Author: hanska-guest
Date: 2007-10-02 11:30:24 +0000 (Tue, 02 Oct 2007)
New Revision: 499

Added:
   trunk/community/website/inc/lastRSS.php
   trunk/community/website/inc/rss-backup.php
Removed:
   trunk/community/website/inc/rss.php
Modified:
   trunk/community/website/index.php
Log:
Another implementation


Added: trunk/community/website/inc/lastRSS.php
===================================================================
--- trunk/community/website/inc/lastRSS.php	                        (rev 0)
+++ trunk/community/website/inc/lastRSS.php	2007-10-02 11:30:24 UTC (rev 499)
@@ -0,0 +1,220 @@
+<?php
+/*
+ ======================================================================
+ lastRSS 0.9.1
+ 
+ Simple yet powerfull PHP class to parse RSS files.
+ 
+ by Vojtech Semecky, webmaster @ webdot . cz
+ 
+ Latest version, features, manual and examples:
+ 	http://lastrss.webdot.cz/
+
+ ----------------------------------------------------------------------
+ LICENSE
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License (GPL)
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ To read the license please visit http://www.gnu.org/copyleft/gpl.html
+ ======================================================================
+*/
+
+/**
+* lastRSS
+* Simple yet powerfull PHP class to parse RSS files.
+*/
+class lastRSS {
+	// -------------------------------------------------------------------
+	// Public properties
+	// -------------------------------------------------------------------
+	var $default_cp = 'UTF-8';
+	var $CDATA = 'nochange';
+	var $cp = '';
+	var $items_limit = 0;
+	var $stripHTML = False;
+	var $date_format = '';
+
+	// -------------------------------------------------------------------
+	// Private variables
+	// -------------------------------------------------------------------
+	var $channeltags = array ('title', 'link', 'description', 'language', 'copyright', 'managingEditor', 'webMaster', 'lastBuildDate', 'rating', 'docs');
+	var $itemtags = array('title', 'link', 'description', 'author', 'category', 'comments', 'enclosure', 'guid', 'pubDate', 'source');
+	var $imagetags = array('title', 'url', 'link', 'width', 'height');
+	var $textinputtags = array('title', 'description', 'name', 'link');
+
+	// -------------------------------------------------------------------
+	// Parse RSS file and returns associative array.
+	// -------------------------------------------------------------------
+	function Get ($rss_url) {
+		// If CACHE ENABLED
+		if ($this->cache_dir != '') {
+			$cache_file = $this->cache_dir . '/rsscache_' . md5($rss_url);
+			$timedif = @(time() - filemtime($cache_file));
+			if ($timedif < $this->cache_time) {
+				// cached file is fresh enough, return cached array
+				$result = unserialize(join('', file($cache_file)));
+				// set 'cached' to 1 only if cached file is correct
+				if ($result) $result['cached'] = 1;
+			} else {
+				// cached file is too old, create new
+				$result = $this->Parse($rss_url);
+				$serialized = serialize($result);
+				if ($f = @fopen($cache_file, 'w')) {
+					fwrite ($f, $serialized, strlen($serialized));
+					fclose($f);
+				}
+				if ($result) $result['cached'] = 0;
+			}
+		}
+		// If CACHE DISABLED >> load and parse the file directly
+		else {
+			$result = $this->Parse($rss_url);
+			if ($result) $result['cached'] = 0;
+		}
+		// return result
+		return $result;
+	}
+	
+	// -------------------------------------------------------------------
+	// Modification of preg_match(); return trimed field with index 1
+	// from 'classic' preg_match() array output
+	// -------------------------------------------------------------------
+	function my_preg_match ($pattern, $subject) {
+		// start regullar expression
+		preg_match($pattern, $subject, $out);
+
+		// if there is some result... process it and return it
+		if(isset($out[1])) {
+			// Process CDATA (if present)
+			if ($this->CDATA == 'content') { // Get CDATA content (without CDATA tag)
+				$out[1] = strtr($out[1], array('<![CDATA['=>'', ']]>'=>''));
+			} elseif ($this->CDATA == 'strip') { // Strip CDATA
+				$out[1] = strtr($out[1], array('<![CDATA['=>'', ']]>'=>''));
+			}
+
+			// If code page is set convert character encoding to required
+			if ($this->cp != '')
+				//$out[1] = $this->MyConvertEncoding($this->rsscp, $this->cp, $out[1]);
+				$out[1] = iconv($this->rsscp, $this->cp.'//TRANSLIT', $out[1]);
+			// Return result
+			return trim($out[1]);
+		} else {
+		// if there is NO result, return empty string
+			return '';
+		}
+	}
+
+	// -------------------------------------------------------------------
+	// Replace HTML entities &something; by real characters
+	// -------------------------------------------------------------------
+	function unhtmlentities ($string) {
+		// Get HTML entities table
+		$trans_tbl = get_html_translation_table (HTML_ENTITIES, ENT_QUOTES);
+		// Flip keys<==>values
+		$trans_tbl = array_flip ($trans_tbl);
+		// Add support for &apos; entity (missing in HTML_ENTITIES)
+		$trans_tbl += array('&apos;' => "'");
+		// Replace entities by values
+		return strtr ($string, $trans_tbl);
+	}
+
+	// -------------------------------------------------------------------
+	// Parse() is private method used by Get() to load and parse RSS file.
+	// Don't use Parse() in your scripts - use Get($rss_file) instead.
+	// -------------------------------------------------------------------
+	function Parse ($rss_url) {
+		// Open and load RSS file
+		if ($f = @fopen($rss_url, 'r')) {
+			$rss_content = '';
+			while (!feof($f)) {
+				$rss_content .= fgets($f, 4096);
+			}
+			fclose($f);
+
+			// Parse document encoding
+			$result['encoding'] = $this->my_preg_match("'encoding=[\'\"](.*?)[\'\"]'si", $rss_content);
+			// if document codepage is specified, use it
+			if ($result['encoding'] != '')
+				{ $this->rsscp = $result['encoding']; } // This is used in my_preg_match()
+			// otherwise use the default codepage
+			else
+				{ $this->rsscp = $this->default_cp; } // This is used in my_preg_match()
+
+			// Parse CHANNEL info
+			preg_match("'<channel.*?>(.*?)</channel>'si", $rss_content, $out_channel);
+			foreach($this->channeltags as $channeltag)
+			{
+				$temp = $this->my_preg_match("'<$channeltag.*?>(.*?)</$channeltag>'si", $out_channel[1]);
+				if ($temp != '') $result[$channeltag] = $temp; // Set only if not empty
+			}
+			// If date_format is specified and lastBuildDate is valid
+			if ($this->date_format != '' && ($timestamp = strtotime($result['lastBuildDate'])) !==-1) {
+						// convert lastBuildDate to specified date format
+						$result['lastBuildDate'] = date($this->date_format, $timestamp);
+			}
+
+			// Parse TEXTINPUT info
+			preg_match("'<textinput(|[^>]*[^/])>(.*?)</textinput>'si", $rss_content, $out_textinfo);
+				// This a little strange regexp means:
+				// Look for tag <textinput> with or without any attributes, but skip truncated version <textinput /> (it's not beggining tag)
+			if (isset($out_textinfo[2])) {
+				foreach($this->textinputtags as $textinputtag) {
+					$temp = $this->my_preg_match("'<$textinputtag.*?>(.*?)</$textinputtag>'si", $out_textinfo[2]);
+					if ($temp != '') $result['textinput_'.$textinputtag] = $temp; // Set only if not empty
+				}
+			}
+			// Parse IMAGE info
+			preg_match("'<image.*?>(.*?)</image>'si", $rss_content, $out_imageinfo);
+			if (isset($out_imageinfo[1])) {
+				foreach($this->imagetags as $imagetag) {
+					$temp = $this->my_preg_match("'<$imagetag.*?>(.*?)</$imagetag>'si", $out_imageinfo[1]);
+					if ($temp != '') $result['image_'.$imagetag] = $temp; // Set only if not empty
+				}
+			}
+			// Parse ITEMS
+			preg_match_all("'<item(| .*?)>(.*?)</item>'si", $rss_content, $items);
+			$rss_items = $items[2];
+			$i = 0;
+			$result['items'] = array(); // create array even if there are no items
+			foreach($rss_items as $rss_item) {
+				// If number of items is lower then limit: Parse one item
+				if ($i < $this->items_limit || $this->items_limit == 0) {
+					foreach($this->itemtags as $itemtag) {
+						$temp = $this->my_preg_match("'<$itemtag.*?>(.*?)</$itemtag>'si", $rss_item);
+						if ($temp != '') $result['items'][$i][$itemtag] = $temp; // Set only if not empty
+					}
+					// Strip HTML tags and other bullshit from DESCRIPTION
+					if ($this->stripHTML && $result['items'][$i]['description'])
+						$result['items'][$i]['description'] = strip_tags($this->unhtmlentities(strip_tags($result['items'][$i]['description'])));
+					// Strip HTML tags and other bullshit from TITLE
+					if ($this->stripHTML && $result['items'][$i]['title'])
+						$result['items'][$i]['title'] = strip_tags($this->unhtmlentities(strip_tags($result['items'][$i]['title'])));
+					// If date_format is specified and pubDate is valid
+					if ($this->date_format != '' && ($timestamp = strtotime($result['items'][$i]['pubDate'])) !==-1) {
+						// convert pubDate to specified date format
+						$result['items'][$i]['pubDate'] = date($this->date_format, $timestamp);
+					}
+					// Item counter
+					$i++;
+				}
+			}
+
+			$result['items_count'] = $i;
+			return $result;
+		}
+		else // Error in opening return False
+		{
+			return False;
+		}
+	}
+}
+
+?>
\ No newline at end of file

Copied: trunk/community/website/inc/rss-backup.php (from rev 498, trunk/community/website/inc/rss.php)
===================================================================
--- trunk/community/website/inc/rss-backup.php	                        (rev 0)
+++ trunk/community/website/inc/rss-backup.php	2007-10-02 11:30:24 UTC (rev 499)
@@ -0,0 +1,34 @@
+<?php
+	$xml = "http://cia.vc/stats/project/Debian-Med/.rss";
+
+	phpinfo();	
+//	$xmlDoc = new DOMDocument();
+//	$xmlDoc->load($xml);
+	
+//	echo $xmlDoc->saveXML();
+/*	
+	// get elements from <channel>
+	$channel = $xmlDoc->getElementsByTagName("channel")->item(0);
+	$channel_title = $channel->getElementsByTagName("title")->item(0)->childNodes->item(0)->nodeValue;
+	$channel_link = $channel->getElementsByTagName("link")->item(0)->childNodes->item(0)->nodeValue;
+	$channel_desc = $channel->getElementsByTagName("description")->item(0)->childNodes->item(0)->nodeValue;
+
+	// output elements from <channel>
+	echo "<p><a href=\"$channel_link\">$channel_title</a>";
+	echo "<br />";
+	echo "$channel_desc</p>";
+	
+	// get and output <item>s
+	$x = $xmlDoc->getElementsByTagName("item");
+	// show only last 10 messages
+	for ($i = 0; $i <= 9; $i++) {
+		$item_title = $x->item($i)->getElementsByTagName("title")->item(0)->childNodes->item(0)->nodeValue;
+		$item_link = $x->item($i)->getElementsByTagName("link")->item(0)->childNodes->item(0)->nodeValue;
+		$item_desc = $x->item($i)->getElementsByTagName("description")->item(0)->childNodes->item(0)->nodeValue;
+
+		echo "<p><a href=\"$item_link\">$item_title</a>";
+		echo "<br />";
+		echo "$item_desc</p>";
+	}
+*/
+?>

Deleted: trunk/community/website/inc/rss.php
===================================================================
--- trunk/community/website/inc/rss.php	2007-10-02 11:21:33 UTC (rev 498)
+++ trunk/community/website/inc/rss.php	2007-10-02 11:30:24 UTC (rev 499)
@@ -1,34 +0,0 @@
-<?php
-	$xml = "http://cia.vc/stats/project/Debian-Med/.rss";
-
-	phpinfo();	
-//	$xmlDoc = new DOMDocument();
-//	$xmlDoc->load($xml);
-	
-//	echo $xmlDoc->saveXML();
-/*	
-	// get elements from <channel>
-	$channel = $xmlDoc->getElementsByTagName("channel")->item(0);
-	$channel_title = $channel->getElementsByTagName("title")->item(0)->childNodes->item(0)->nodeValue;
-	$channel_link = $channel->getElementsByTagName("link")->item(0)->childNodes->item(0)->nodeValue;
-	$channel_desc = $channel->getElementsByTagName("description")->item(0)->childNodes->item(0)->nodeValue;
-
-	// output elements from <channel>
-	echo "<p><a href=\"$channel_link\">$channel_title</a>";
-	echo "<br />";
-	echo "$channel_desc</p>";
-	
-	// get and output <item>s
-	$x = $xmlDoc->getElementsByTagName("item");
-	// show only last 10 messages
-	for ($i = 0; $i <= 9; $i++) {
-		$item_title = $x->item($i)->getElementsByTagName("title")->item(0)->childNodes->item(0)->nodeValue;
-		$item_link = $x->item($i)->getElementsByTagName("link")->item(0)->childNodes->item(0)->nodeValue;
-		$item_desc = $x->item($i)->getElementsByTagName("description")->item(0)->childNodes->item(0)->nodeValue;
-
-		echo "<p><a href=\"$item_link\">$item_title</a>";
-		echo "<br />";
-		echo "$item_desc</p>";
-	}
-*/
-?>

Modified: trunk/community/website/index.php
===================================================================
--- trunk/community/website/index.php	2007-10-02 11:21:33 UTC (rev 498)
+++ trunk/community/website/index.php	2007-10-02 11:30:24 UTC (rev 499)
@@ -15,7 +15,18 @@
 <div id="rssOutput">div</div>
 </p>
 <?php
-	include_once("inc/rss.php");
+	include_once("inc/lastRss.php");
+	
+	$rss = new lastRSS;
+	$rss->cache_dir = "./cache";
+	$rss->cache_time = 3600;
+	
+	if ($rs = $rss->get("http://cia.vc/stats/project/Debian-Med/.rss")) {
+		echo "<pre>"; print_r($rs); echo "</pre>";
+	}
+	else {
+		echo "Error: can't get RSS feed.<br />";
+	}
 ?>
 <small>Please, note that this is a SVN export of our website. It might break during
 SVN commits.</small>




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