<?php
// PukiWiki - Yet another WikiWikiWeb clone
-// $Id: showrss.inc.php,v 1.18 2006/05/02 01:28:01 henoheno Exp $
+// $Id: showrss.inc.php,v 1.19 2006/05/02 08:15:43 henoheno Exp $
// Id:showrss.inc.php,v 1.40 2003/03/18 11:52:58 hiro Exp
// Copyright (C):
-// 2002-2005 PukiWiki Developers Team
+// 2002-2006 PukiWiki Developers Team
// 2002 PANDA <panda@arino.jp>
// (Original)hiro_do3ob@yahoo.co.jp
// License: GPL, same as PukiWiki
//
// Show RSS (of remote site) plugin
-// NOTE: This plugin needs 'PHP xml extension'
+// NOTE:
+// * This plugin needs 'PHP xml extension'
+// * Cache data will be stored as CACHE_DIR/*.tmp
-// Show this plugin is enable or not for this PukiWiki
+define('PLUGIN_SHOWRSS_USAGE', '#showrss(URI-to-RSS[,default|menubar|recent[,Cache-lifetime[,Show-timestamp]]])');
+
+// Show related extensions are found or not
function plugin_showrss_action()
{
- $xml_extension = extension_loaded('xml');
- $mbstring_extension = extension_loaded('mbstring');
-
- $xml_msg = $xml_extension ? 'xml extension is loaded' : 'COLOR(RED){xml extension is not loaded}';
- $mbstring_msg = $mbstring_extension ? 'mbstring extension is loaded' : 'COLOR(RED){mbstring extension is not loaded}';
- $showrss_info =
- '| xml parser | ' . $xml_msg . ' |' . "\n" .
- '| multibyte | ' . $mbstring_msg . ' |' . "\n";
-
- return array('msg' => 'showrss_info', 'body' => convert_html($showrss_info));
+ if (PKWK_SAFE_MODE) die_message('PKWK_SAFE_MODE prohibit this');
+
+ $body = '';
+ foreach(array('xml', 'mbstring') as $extension){
+ $$extension = extension_loaded($extension) ?
+ '&color(green){Found};' :
+ '&color(red){Not found};';
+ $body .= '| ' . $extension . ' extension | ' . $$extension . ' |' . "\n";
+ }
+ return array('msg' => 'showrss_info', 'body' => convert_html($body));
}
function plugin_showrss_convert()
{
- if (func_num_args() == 0) {
- return '<p>showrss: no parameter(s).</p>' . "\n";
- } else if (! extension_loaded('xml')) {
- return '<p>showrss: xml extension is not loaded</p>' . "\n";
+ static $_xml;
+
+ if (! isset($_xml)) $_xml = extension_loaded('xml');
+ if (! $_xml) return '#showrss: xml extension is not found<br />' . "\n";
+
+ $num = func_num_args();
+ if ($num == 0) return PLUGIN_SHOWRSS_USAGE . '<br />' . "\n";
+
+ $argv = func_get_args();
+ $timestamp = FALSE;
+ $cachehour = 0;
+ $template = $uri = '';
+ switch ($num) {
+ case 4: $timestamp = (trim($argv[3]) == '1'); /*FALLTHROUGH*/
+ case 3: $cachehour = trim($argv[2]); /*FALLTHROUGH*/
+ case 2: $template = strtolower(trim($argv[1]));/*FALLTHROUGH*/
+ case 1: $uri = trim($argv[0]);
}
- $array = func_get_args();
- $rssurl = $tmplname = $usecache = $usetimestamp = '';
-
- switch (func_num_args()) {
- case 4: $usetimestamp = trim($array[3]);
- case 3: $usecache = $array[2];
- case 2: $tmplname = strtolower(trim($array[1]));
- case 1: $rssurl = trim($array[0]);
+ $class = ($template == '' || $template == 'default') ? 'ShowRSS_html' : 'ShowRSS_html_' . $template;
+ if (! is_numeric($cachehour))
+ return '#showrss: Cache-lifetime seems not numeric: ' . htmlspecialchars($cachehour) . '<br />' . "\n";
+ if (! class_exists($class))
+ return '#showrss: Template not found: ' . htmlspecialchars($template) . '<br />' . "\n";
+ if (! is_url($uri))
+ return '#showrss: Seems not URI: ' . htmlspecialchars($uri) . '<br />' . "\n";
+
+ list($rss, $time) = plugin_showrss_get_rss($uri, $cachehour);
+ if ($rss === FALSE) return '#showrss: Failed fetching RSS from the server<br />' . "\n";
+
+ $time = '';
+ if ($timestamp > 0) {
+ $time = '<p style="font-size:10px; font-weight:bold">Last-Modified:' .
+ get_date('Y/m/d H:i:s', $time) . '</p>';
}
- if (! is_url($rssurl))
- return '<p>showrss: syntax error. ' . htmlspecialchars($rssurl) . '</p>' . "\n";
-
- $class = 'ShowRSS_html_' . $tmplname;
- if (! class_exists($class)) $class = 'ShowRSS_html';
-
- list($rss, $time) = plugin_showrss_get_rss($rssurl, $usecache);
- if ($rss === FALSE)
- return '<p>showrss: cannot get rss from server.</p>' . "\n";
-
$obj = new $class($rss);
-
- $timestamp = '';
- if ($usetimestamp > 0) {
- $time = get_date('Y/m/d H:i:s',$time);
- $timestamp = '<p style="font-size:10px; font-weight:bold">Last-Modified:' . $time . '</p>';
- }
- return $obj->toString($timestamp);
+ return $obj->toString($time);
}
// Create HTML from RSS array()
}
}
-// Get RSS
-function plugin_showrss_get_rss($target, $usecache)
+// Get and save RSS
+function plugin_showrss_get_rss($target, $cachehour)
{
- $buf = '';
+ $buf = '';
$time = NULL;
- if ($usecache) {
+ if ($cachehour) {
// Remove expired cache
- plugin_showrss_cache_expire($usecache);
+ plugin_showrss_cache_expire($cachehour);
// Get the cache not expired
$filename = CACHE_DIR . encode($target) . '.tmp';
$time = UTIME;
// Save RSS into cache
- if ($usecache) {
+ if ($cachehour) {
$fp = fopen($filename, 'w');
fwrite($fp, $buf);
fclose($fp);
}
// Remove cache if expired limit exeed
-function plugin_showrss_cache_expire($usecache)
+function plugin_showrss_cache_expire($cachehour)
{
- $expire = $usecache * 60 * 60; // Hour
+ $expire = $cachehour * 60 * 60; // Hour
$dh = dir(CACHE_DIR);
while (($file = $dh->read()) !== FALSE) {
if (substr($file, -4) != '.tmp') continue;
$buf = mb_convert_encoding($buf, 'utf-8', $this->encoding);
$this->encoding = 'utf-8';
}
+
+ // Parsing
$xml_parser = xml_parser_create($this->encoding);
xml_set_element_handler($xml_parser, array(& $this, 'start_element'), array(& $this, 'end_element'));
xml_set_character_data_handler($xml_parser, array(& $this, 'character_data'));
-
if (! xml_parse($xml_parser, $buf, 1)) {
return(sprintf('XML error: %s at line %d in %s',
xml_error_string(xml_get_error_code($xml_parser)),
function plugin_showrss_get_timestamp($str)
{
- if (($str = trim($str)) == '')
- return UTIME;
+ $str = trim($str);
+ if ($str == '') return UTIME;
$matches = array();
- if (! preg_match('/(\d{4}-\d{2}-\d{2})T(\d{2}:\d{2}:\d{2})(([+-])(\d{2}):(\d{2}))?/', $str, $matches)) {
+ if (preg_match('/(\d{4}-\d{2}-\d{2})T(\d{2}:\d{2}:\d{2})(([+-])(\d{2}):(\d{2}))?/', $str, $matches)) {
+ $time = strtotime($matches[1] . ' ' . $matches[2]);
+ if ($time == -1) {
+ $time = UTIME;
+ } else if ($matches[3]) {
+ $diff = ($matches[5] * 60 + $matches[6]) * 60;
+ $time += ($matches[4] == '-' ? $diff : -$diff);
+ }
+ return $time;
+ } else {
$time = strtotime($str);
return ($time == -1) ? UTIME : $time - LOCALZONE;
}
- $str = $matches[1];
- $time = strtotime($matches[1] . ' ' . $matches[2]);
- if (! empty($matches[3])) {
- $diff = ($matches[5] * 60 + $matches[6]) * 60;
- $time += ($matches[4] == '-' ? $diff : -$diff);
- }
- return $time;
}
?>
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