sibtracker/system/classes/rss.class.php
2019-05-18 13:46:03 +08:00

240 lines
6.7 KiB
PHP

<?php
class xmlParser {
var $att;
var $id;
var $title;
var $content = array ();
var $index = 0;
var $xml_parser;
var $tagname;
var $max_news = 0;
var $tag_open = false;
var $rss_charset = '';
var $rss_option = '';
var $lastdate = '';
var $pre_lastdate = '';
function xmlParser($file, $max) {
$this->max_news = $max;
$this->xml_parser = xml_parser_create();
xml_set_object( $this->xml_parser, $this );
xml_set_element_handler( $this->xml_parser, "startElement", "endElement" );
xml_set_character_data_handler( $this->xml_parser, 'elementContent' );
$this->rss_option = xml_parser_get_option( $this->xml_parser, XML_OPTION_TARGET_ENCODING );
if( ! ($data = $this->_get_contents( $file )) ) {
$this->content[0]['title'] = "Fatal Error";
$this->content[0]['description'] = "Fatal Error: could not open XML input (" . $file . ")";
$this->content[0]['link'] = "#";
$this->content[0]['date'] = time();
}
preg_replace( "#encoding=\"(.+?)\"#ie", "\$this->get_charset('\\1')", $data );
if( ! xml_parse( $this->xml_parser, $data ) ) {
$error_code = xml_get_error_code( $this->xml_parser );
$error_line = xml_get_current_line_number( $this->xml_parser );
if( $error_code == 4 ) {
$this->content = array ();
$this->index = 0;
$this->tag_open = false;
$this->tagname = "";
$this->xml_parser = xml_parser_create();
xml_set_object( $this->xml_parser, $this );
xml_set_element_handler( $this->xml_parser, "startElement", "endElement" );
xml_set_character_data_handler( $this->xml_parser, 'elementContent' );
$this->rss_option = xml_parser_get_option( $this->xml_parser, XML_OPTION_TARGET_ENCODING );
$data = iconv( $this->rss_charset, "utf-8", $data );
if( ! xml_parse( $this->xml_parser, $data ) ) {
$this->content[0]['title'] = "XML error in File: " . $file;
$this->content[0]['description'] = sprintf( "XML error: %s at line %d", xml_error_string( xml_get_error_code( $this->xml_parser ) ), xml_get_current_line_number( $this->xml_parser ) );
$this->content[0]['link'] = "#";
$this->content[0]['date'] = time();
}
} else {
$this->content[0]['title'] = "XML error in File: " . $file;
$this->content[0]['description'] = sprintf( "XML error: %s at line %d", xml_error_string( $error_code ), $error_line );
$this->content[0]['link'] = "#";
$this->content[0]['date'] = time();
}
}
xml_parser_free( $this->xml_parser );
}
function _get_contents($file) {
$data = false;
if( function_exists( 'curl_init' ) ) {
$ch = curl_init();
curl_setopt( $ch, CURLOPT_URL, $file );
curl_setopt( $ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT'] );
@curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, 1 );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, 10 );
$data = curl_exec( $ch );
curl_close( $ch );
}
if( $data ) {
return $data;
} else {
$data = @file_get_contents( $file );
if( $data ) return $data;
else return false;
}
}
function pre_parse($date) {
global $config;
$i = 0;
foreach ( $this->content as $content ) {
$content_date = strtotime( $content['date'] );
if( $date ) {
$this->content[$i]['date'] = time() + ($config['date_adjust'] * 60);
} else {
$this->content[$i]['date'] = $content_date;
}
if( ! $i ) $this->lastdate = $content_date;
if( $i and $content_date > $this->lastdate ) $this->lastdate = $content_date;
if( $this->pre_lastdate != "" and $this->pre_lastdate >= $content_date ) {
unset( $this->content[$i] );
$i ++;
continue;
}
$this->content[$i]['description'] = rtrim( $this->content[$i]['description'] );
$this->content[$i]['content'] = rtrim( $this->content[$i]['content'] );
if( $this->content[$i]['content'] != '' ) {
$this->content[$i]['description'] = $this->content[$i]['content'];
}
unset( $this->content[$i]['content'] );
if( preg_match_all( "#<div id=\'news-id-(.+?)\'>#si", $this->content[$i]['description'], $out ) ) {
$this->content[$i]['description'] = preg_replace( "#<div id=\'news-id-(.+?)\'>#si", "", $this->content[$i]['description'] );
$this->content[$i]['description'] = substr( $this->content[$i]['description'], 0, - 6 );
}
$i ++;
}
}
function startElement($parser, $name, $attrs) {
if( $name == "ITEM" ) {
$this->tag_open = true;
}
$this->tagname = $name;
}
function endElement($parser, $name) {
if( $name == "ITEM" ) {
$this->index ++;
$this->tag_open = false;
}
}
function elementContent($parser, $data) {
if( $this->tag_open and $this->index < $this->max_news ) {
switch ($this->tagname) {
case 'TITLE' :
$this->content[$this->index]['title'] .= $data;
break;
case 'DESCRIPTION' :
$this->content[$this->index]['description'] .= $data;
break;
case 'CONTENT:ENCODED' :
$this->content[$this->index]['content'] .= $data;
break;
case 'LINK' :
$this->content[$this->index]['link'] .= $data;
break;
case 'PUBDATE' :
$this->content[$this->index]['date'] .= $data;
break;
case 'CATEGORY' :
$this->content[$this->index]['category'] .= $data;
break;
case 'DC:CREATOR' :
$this->content[$this->index]['author'] .= $data;
break;
}
}
}
function get_charset($charset) {
if( $this->rss_charset == '' ) $this->rss_charset = strtolower( $charset );
}
function convert($from, $to) {
if( $from == '' ) return;
if( function_exists( 'iconv' ) ) {
$i = 0;
foreach ( $this->content as $content ) {
if( @iconv( $from, $to . "//IGNORE", $this->content[$i]['title'] ) ) $this->content[$i]['title'] = @iconv( $from, $to . "//IGNORE", $this->content[$i]['title'] );
if( @iconv( $from, $to . "//IGNORE", $this->content[$i]['description'] ) ) $this->content[$i]['description'] = @iconv( $from, $to . "//IGNORE", $this->content[$i]['description'] );
if( $this->content[$i]['content'] and @iconv( $from, $to . "//IGNORE", $this->content[$i]['content'] ) ) $this->content[$i]['content'] = @iconv( $from, $to . "//IGNORE", $this->content[$i]['content'] );
if( $this->content[$i]['category'] and @iconv( $from, $to . "//IGNORE", $this->content[$i]['category'] ) ) $this->content[$i]['category'] = @iconv( $from, $to . "//IGNORE", $this->content[$i]['category'] );
if( $this->content[$i]['author'] and @iconv( $from, $to . "//IGNORE", $this->content[$i]['author'] ) ) $this->content[$i]['author'] = @iconv( $from, $to . "//IGNORE", $this->content[$i]['author'] );
$i ++;
}
}
}
}
?>