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<?php
class opml
{
var $_xml = null;
var $_currentTag = '';
var $title = '';
var $entries = array();
var $map =
array(
'URL' => 'website',
'HTMLURL' => 'website',
'TEXT' => 'name',
'TITLE' => 'name',
'XMLURL' => 'feed',
'DESCRIPTION' => 'description'
);
function parse($data)
{
$this->_xml = xml_parser_create('UTF-8');
//xml_parser_set_option($this->_xml, XML_OPTION_CASE_FOLDING, false);
//xml_parser_set_option($this->_xml, XML_OPTION_SKIP_WHITE, true);
xml_set_object($this->_xml, $this);
xml_set_element_handler($this->_xml,'_openTag','_closeTag');
xml_set_character_data_handler ($this->_xml, '_cData');
xml_parse($this->_xml,$data);
xml_parser_free($this->_xml);
return $this->entries;
}
function _openTag($p,$tag,$attrs)
{
$this->_currentTag = $tag;
if ($tag == 'OUTLINE')
{
$i = count($this->entries);
foreach (array_keys($this->map) as $key)
{
if (isset($attrs[$key])) {
$this->entries[$i][$this->map[$key]] = $attrs[$key];
}
}
}
}
function _closeTag($p, $tag){
$this->_currentTag = '';
}
function _cData($p, $cdata){
if ($this->_currentTag == 'TITLE'){
$this->title = $cdata;
}
}
function getTitle(){
return $this->title;
}
function getPeople(){
return $this->entries;
}
}
class OpmlManager {
function load($file) {
if (@file_exists($file)) {
$opml = new opml();
//Remove BOM if needed
$BOM = '/^/';
$fileContent = file_get_contents($file);
$fileContent = preg_replace($BOM, '', $fileContent, 1);
//Parse
$opml->parse($fileContent);
return $opml;
}
}
function save($opml, $file){
$out = '<?xml version="1.0"?>'."\n";
$out.= '<opml version="1.1">'."\n";
$out.= '<head>'."\n";
$out.= '<title>'.htmlspecialchars($opml->getTitle()).'</title>'."\n";
$out.= '<dateCreated>'.date('c').'</dateCreated>'."\n";
$out.= '<dateModified>'.date('c').'</dateModified>'."\n";
$out.= '</head>'."\n";
$out.= '<body>'."\n";
foreach ($opml->entries as $person){
$out.= '<outline text="' . htmlspecialchars($person['name']) . '" htmlUrl="' . htmlspecialchars($person['website']) . '" xmlUrl="' . htmlspecialchars($person['feed']) . '"/>'."\n";
}
$out.= '</body>'."\n";
$out.= '</opml>';
file_put_contents($file, $out);
}
function backup($file){
copy($file, $file.'.bak');
}
}
?>
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