1 files changed, 109 insertions, 0 deletions
diff --git a/common/app/lib/lib.opml.php b/common/app/lib/lib.opml.php
new file mode 100644
index 0000000..7767979
--- /dev/null
+++ b/common/app/lib/lib.opml.php
@@ -0,0 +1,109 @@
+<?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 $this->entries;
+    }
+}
+
+class OpmlManager
+{
+    public function load($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 $opml;
+        }
+    }
+
+    public function save($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, $out);
+    }
+
+    public function backup($file){
+        copy($file, $file.'.bak');
+    }
+}