first addition of extra rss files needed by rss_client block. templib functionality...
authordhawes <dhawes>
Fri, 17 Dec 2004 02:45:21 +0000 (02:45 +0000)
committerdhawes <dhawes>
Fri, 17 Dec 2004 02:45:21 +0000 (02:45 +0000)
rss/class.Atom.php [new file with mode: 0644]
rss/class.RSS.php [new file with mode: 0644]
rss/templib.php [new file with mode: 0644]

diff --git a/rss/class.Atom.php b/rss/class.Atom.php
new file mode 100644 (file)
index 0000000..fa7f483
--- /dev/null
@@ -0,0 +1,270 @@
+<?php
+/*
+ * Project:     phAnTOM: a simple Atom parsing class
+ * File:        atom_parse.php includes code for parsing
+ *                             Atom feeds, and returning an Atom object
+ * Author:      Jeremy Ashcraft <ashcraft@13monkeys.com>
+ * Version:            0.1
+ * License:            GPL
+ *
+ * The lastest version of phAnTOM can be obtained from:
+ * http://www.simplog.org
+ *
+ * For questions, help, comments, discussion, etc., please join the
+ * Simplog Atom mailing list:
+ * simplog-atom@lists.sourceforge.net
+ *
+ * This code is based on the MagpieRSS parser v0.52 written
+ * by Kellan Elliott-McCrea <kellan@protest.net> and released under the GPL
+ */
+
+/* 
+ * The lastest Atom feed spec is at http://diveintomark.org/public/2003/08/atom02spec.txt
+ *
+ *
+ * RSS/Atom validators are readily available on the web at:
+ * http://feeds.archive.org/validator/
+ *
+ */
+
+class Atom {
+       /*
+        * Useage Example:
+        *
+        * $xml = "<?xml version="1.0"......
+        *
+        * $atom = new atom( $xml );
+        *
+        * // print feed title
+        * print $atom->feed['title'];
+        *
+        * // print the title of each entry
+        * foreach ($atom->entries as $entry ) {
+        *        print $entry[title];
+        * }
+        *
+        */
+        
+       var $parser;
+       
+       var $current_item       = array();      // item currently being parsed
+        var $entries           = array();      // collection of parsed items
+       var $feed               = array();      // hash of channel fields
+       
+       var $parent_field       = array('RDF');
+       var $author             = array();
+       var $contributor        = array();
+       var $current_field      = '';
+       var $current_namespace  = false;
+       
+       var $ERROR = '';
+       
+/*======================================================================*\
+    Function: MagpieRSS
+    Purpose:  Constructor, sets up XML parser,parses source,
+                         and populates object.. 
+       Input:    String containing the RSS to be parsed
+\*======================================================================*/
+       function Atom ($source) {
+               
+               # if PHP xml isn't compiled in, die
+               #
+               if (!function_exists('xml_parser_create')) {
+                       $this->error( 'Failed to load PHP\'s XML Extension. ' . 
+                                                 'http://www.php.net/manual/en/ref.xml.php',
+                                                  E_USER_ERROR );
+               }
+               
+               $parser = @xml_parser_create();
+               
+               if (!is_resource($parser))
+               {
+                       $this->error( 'Failed to create an instance of PHP\'s XML parser. ' .
+                                                 'http://www.php.net/manual/en/ref.xml.php',
+                                                 E_USER_ERROR );
+               }
+
+               
+               $this->parser = $parser;
+               
+               # pass in parser, and a reference to this object
+               # setup handlers
+               #
+               xml_set_object( $this->parser, $this );
+               xml_set_element_handler($this->parser, 'start_element', 'end_element');
+               xml_set_character_data_handler( $this->parser, 'cdata' ); 
+       
+               
+               $status = xml_parse( $this->parser, $source );
+               
+               if (! $status ) {
+                       $errorcode = xml_get_error_code( $this->parser );
+                       if ( $errorcode != XML_ERROR_NONE ) {
+                               $xml_error = xml_error_string( $errorcode );
+                               $error_line = xml_get_current_line_number($this->parser);
+                               $error_col = xml_get_current_column_number($this->parser);
+                               $errormsg = $xml_error .' at line '. $error_line .', column '. $error_col;
+
+                               $this->error( $errormsg );
+                       }
+               }
+               
+               xml_parser_free( $this->parser );
+       }
+       
+       function start_element ($p, $element, &$attrs) {
+               $element        = strtolower( $element );
+               # check for a namespace, and split if found
+               #
+               $namespace      = false;
+               if ( strpos( $element, ':' ) ) {
+                       list($namespace, $element) = split( ':', $element, 2); 
+               }
+               $this->current_field = $element;
+               if ( $namespace ) {
+                       $this->current_namespace = $namespace;
+               }
+               
+               if ( $element == 'feed' ) {
+                       array_unshift( $this->parent_field, 'feed' );
+               } else if ( $element == 'items' ) {
+                       array_unshift( $this->parent_field, 'items' );
+               } else if ( $element == 'entry' ) {
+                       array_unshift( $this->parent_field, 'entry' );
+               } else if ( $element == 'author' ) {
+                        array_unshift( $this->parent_field, 'author' );
+               } else if ( $element == 'contributor' ) {
+                        array_unshift( $this->parent_field, 'contributor' );
+                }
+       }
+       
+       function end_element ($p, $element) {
+               $element = strtolower($element);
+                                                       
+               if ( $element == 'entry' ) {    
+                       $this->entries[] = $this->current_item;
+                       $this->current_item = array();
+                       array_shift( $this->parent_field );
+               } else if ( $element == 'feed' or $element == 'items' or 
+                                $element == 'author' or $element == 'contributor') {
+                       array_shift( $this->parent_field );
+               }
+               
+               $this->current_field = '';
+               $this->current_namespace = false;
+       }
+       
+       function cdata ($p, $text) {
+               # skip item, channel, items first time we see them
+               #
+               if ( $this->parent_field[0] == $this->current_field or
+                        ! $this->current_field ) {
+                       return;
+               } else if ( $this->parent_field[0] == 'feed') {
+                       if ( $this->current_namespace ) {
+                               $this->append(
+                                       $this->feed[ $this->current_namespace ][ $this->current_field ],
+                                       $text);
+                       } else {
+                               $this->append($this->feed[ $this->current_field ], $text);
+                       }
+               
+               } else if ( $this->parent_field[0] == 'entry' ) {
+                       if ( $this->current_namespace ) {
+                               $this->append(
+                                       $this->current_item[ $this->current_namespace ][$this->current_field ],
+                                       $text);
+                       } else {
+                               $this->append(
+                                       $this->current_item[ $this->current_field ],
+                                       $text );
+                       }
+               } else if ( $this->parent_field[0] == 'author' ) {
+                        if ( $this->current_namespace ) {
+                                $this->append(
+                                        $this->author[ $this->current_namespace ][ $this->current_field ],
+                                        $text );
+                        } else {
+                                $this->append(
+                                        $this->author[ $this->current_field ],
+                                        $text );
+                        }
+                } else if ( $this->parent_field[0] == 'contributor' ) {
+                        if ( $this->current_namespace ) {
+                                $this->append(
+                                        $this->contributor[ $this->current_namespace ][ $this->current_field ],
+                                        $text );
+                        } else {
+                                $this->append(
+                                        $this->contributor[ $this->current_field ],
+                                        $text );
+                        }
+                }
+       }
+       
+       function append (&$str1, $str2='') {
+               if (!isset($str1) ) {
+                       $str1='';
+               }
+               $str1 .= $str2;
+       }
+       
+       function error ($errormsg, $lvl=E_USER_WARNING) {
+               // append PHP's error message if track_errors enabled
+               if ( $php_errormsg ) { 
+                       $errormsg .= ' ('. $php_errormsg .')';
+               }
+               $this->ERROR = $errormsg;
+               if ( ATOM_DEBUG ) {
+                       trigger_error( $errormsg, $lvl);                
+               } else {
+                       error_log( $errormsg, 0);
+               }
+       }
+               
+
+/*======================================================================*\
+       EVERYTHING BELOW HERE IS FOR DEBUGGING PURPOSES
+\*======================================================================*/
+       function show_list () {
+               print '<ol>'."\n";
+               foreach ($this->entries as $item) {
+                       print '<li>'. $this->show_entry( $item );
+               }
+               print '</ol>';
+       }
+       
+       function show_feed () {
+               print 'feed:<br />';
+               print '<ul>';
+               while ( list($key, $value) = each( $this->feed ) ) {
+                       print '<li> '. $key .': '. $value;
+               }
+               print '</ul>';
+       }
+       
+       function show_entry ($item) {
+               print 'entry: '. $item[title];
+               print '<ul>';
+               while ( list($key, $value) = each($item) ) {
+                       if ( is_array($value) ) {
+                               print '<br /><strong>'. $key .'</strong>';
+                               print '<ul>';
+                               while ( list( $ns_key, $ns_value) = each( $value ) ) {
+                                       print '<li>'. $ns_key .': '. $ns_value;
+                               }
+                               print '</ul>';
+                       } else {
+                               print '<li> '. $key .': '. $value;
+                       }
+               }
+               print '</ul>';
+       }
+
+/*======================================================================*\
+       END DEBUGGING FUNCTIONS 
+\*======================================================================*/
+       
+} # end class Atom
+?>
\ No newline at end of file
diff --git a/rss/class.RSS.php b/rss/class.RSS.php
new file mode 100644 (file)
index 0000000..e5319f6
--- /dev/null
@@ -0,0 +1,335 @@
+<?php
+/*
+ * Project:     MagpieRSS: a simple RSS integration tool
+ * File:        rss_parse.inc includes code for parsing
+ *                             RSS, and returning an RSS object
+ * Author:      Kellan Elliott-McCrea <kellan@protest.net>
+ * Version:            0.51
+ * License:            GPL
+ *
+ * The lastest version of MagpieRSS can be obtained from:
+ * http://magpierss.sourceforge.net
+ *
+ * For questions, help, comments, discussion, etc., please join the
+ * Magpie mailing list:
+ * magpierss-general@lists.sourceforge.net
+ *
+ */
+
+/* 
+ * NOTES ON RSS PARSING PHILOSOPHY (moderately important):
+ * MagpieRSS parse all versions of RSS with a few limitation (mod_content, and
+ * mod_taxonomy support is shaky) into a simple object, with 2 fields, 
+ * the hash 'channel', and the array 'items'.
+ *
+ * MagpieRSS is a forgiving and inclusive parser.  It currently makes no
+ * attempt to enforce the validity on an RSS feed.  It will include any
+ * properly formatted tags it finds, allowing to you to mix RSS 0.93, with RSS
+ * 1.0, with tags or your own imagining.  This sort of witches brew is a bad
+ * bad idea!  But Magpie is less pendantic then I am.
+ *
+ * RSS validators are readily available on the web at:
+ * http://feeds.archive.org/validator/
+ * http://www.ldodds.com/rss_validator/1.0/validator.html
+ *
+ */
+
+/*
+ * EXAMPLE PARSE RESULTS:
+ *
+ * Magpie tries to parse RSS into ease to use PHP datastructures.
+ *
+ * For example, Magpie on encountering RSS 1.0 item entry:
+ *
+ * <item rdf:about="http://protest.net/NorthEast/calendrome.cgi?span=event&#38;ID=210257">
+ * <title>Weekly Peace Vigil</title>
+ * <link>http://protest.net/NorthEast/calendrome.cgi?span=event&#38;ID=210257</link>
+ * <description>Wear a white ribbon</description>
+ * <dc:subject>Peace</dc:subject>
+ * <ev:startdate>2002-06-01T11:00:00</ev:startdate>
+ * <ev:location>Northampton, MA</ev:location>
+ * <ev:enddate>2002-06-01T12:00:00</ev:enddate>
+ * <ev:type>Protest</ev:type>
+ * </item>
+ * 
+ * Would transform it into the following associative array, and push it
+ * onto the array $rss-items
+ *
+ * array(
+ *     title => 'Weekly Peace Vigil',
+ *     link =>
+ *     'http://protest.net/NorthEast/calendrome.cgi?span=event&#38;ID=210257',
+ *     description => 'Wear a white ribbon',
+ *     dc => array (
+ *                     subject => 'Peace'
+ *             ),
+ *     ev => array (
+ *             startdate => '2002-06-01T11:00:00',
+ *             enddate => '2002-06-01T12:00:00',
+ *             type => 'Protest',
+ *             location => 'Northampton, MA'
+ *     )
+ * )
+ *
+ */
+
+class MagpieRSS {
+    /*
+     * Hybrid parser, and object.  (probably a bad idea! :)
+     *
+     * Useage Example:
+     *
+     * $some_rss = "<?xml version="1.0"......
+     *
+     * $rss = new MagpieRSS( $some_rss );
+     *
+     * // print rss chanel title
+     * echo $rss->channel['title'];
+     *
+     * // print the title of each item
+     * foreach ($rss->items as $item ) {
+     *   echo $item[title];
+     * }
+     *
+     * see rss_fetch.inc for a simpler interface
+     */
+     
+    var $parser;
+    
+    var $current_item  = array();      // item currently being parsed
+    var $items                 = array();      // collection of parsed items
+    var $channel               = array();      // hash of channel fields
+    var $textinput             = array();
+    var $image                 = array();
+    
+    var $parent_field  = array('RDF');
+    var $current_field = '';
+    var $current_namespace     = false;
+    
+    var $ERROR = "";
+    
+    /*======================================================================*\
+    Function: MagpieRSS
+    Purpose:  Constructor, sets up XML parser,parses source,
+              and populates object.. 
+    Input:       String containing the RSS to be parsed
+    \*======================================================================*/
+    function MagpieRSS ($source) {
+        
+        # if PHP xml isn't compiled in, die
+        #
+        if (!function_exists('xml_parser_create')) {
+            $this->error( "Failed to load PHP's XML Extension. " . 
+                          "http://www.php.net/manual/en/ref.xml.php",
+                           E_USER_ERROR );
+        }
+        
+        $parser = @xml_parser_create();
+        
+        if (!is_resource($parser))
+        {
+            $this->error( "Failed to create an instance of PHP's XML parser. " .
+                          "http://www.php.net/manual/en/ref.xml.php",
+                          E_USER_ERROR );
+        }
+    
+        
+        $this->parser = $parser;
+        
+        # pass in parser, and a reference to this object
+        # setup handlers
+        #
+        xml_set_object( $this->parser, $this );
+        xml_set_element_handler($this->parser, 'start_element', 'end_element');
+        xml_set_character_data_handler( $this->parser, 'cdata' ); 
+    
+        
+        $status = xml_parse( $this->parser, $source );
+        
+        if (! $status ) {
+            $errorcode = xml_get_error_code( $this->parser );
+            if ( $errorcode != XML_ERROR_NONE ) {
+                $xml_error = xml_error_string( $errorcode );
+                $error_line = xml_get_current_line_number($this->parser);
+                $error_col = xml_get_current_column_number($this->parser);
+                $errormsg = "$xml_error at line $error_line, column $error_col";
+    
+                $this->error( $errormsg );
+            }
+        }
+        
+        xml_parser_free( $this->parser );
+    }
+    
+    function start_element ($p, $element, &$attrs) {
+        $element       = strtolower( $element );
+        # check for a namespace, and split if found
+        #
+        $namespace     = false;
+        if ( strpos( $element, ':' ) ) {
+            list($namespace, $element) = split( ':', $element, 2); 
+        }
+        $this->current_field = $element;
+        if ( $namespace and $namespace != 'rdf' ) {
+            $this->current_namespace = $namespace;
+        }
+        
+        if ( $element == 'channel' ) {
+            array_unshift( $this->parent_field, 'channel' );
+        }
+        elseif ( $element == 'items' ) {
+            array_unshift( $this->parent_field, 'items' );
+        }
+        elseif ( $element == 'item' ) {
+            array_unshift( $this->parent_field, 'item' );
+        }
+        elseif ( $element == 'textinput' ) {
+            array_unshift( $this->parent_field, 'textinput' );
+        }
+        elseif ( $element == 'image' ) {
+            array_unshift( $this->parent_field, 'image' );
+        }
+        
+    }
+    
+    function end_element ($p, $element) {
+        $element = strtolower($element);
+                            
+        if ( $element == 'item' ) {    
+            $this->items[] = $this->current_item;
+            $this->current_item = array();
+            array_shift( $this->parent_field );
+        }
+        elseif ( $element == 'channel' or $element == 'items' or 
+                 $element == 'textinput' or $element == 'image' ) {
+            array_shift( $this->parent_field );
+        }
+        
+        $this->current_field = '';
+        $this->current_namespace = false;
+    }
+    
+    function cdata ($p, $text) {
+        # skip item, channel, items first time we see them
+        #
+        if ( $this->parent_field[0] == $this->current_field or
+             ! $this->current_field ) {
+            return;
+        }
+        elseif ( $this->parent_field[0] == 'channel') {
+            if ( $this->current_namespace ) {
+                $this->append(
+                    $this->channel[ $this->current_namespace ][ $this->current_field ],
+                    $text);
+            }
+            else {
+                $this->append($this->channel[ $this->current_field ], $text);
+            }
+        
+        }
+        elseif ( $this->parent_field[0] == 'item' ) {
+            if ( $this->current_namespace ) {
+                $this->append(
+                    $this->current_item[ $this->current_namespace ][$this->current_field ],
+                    $text);
+            }
+            else {
+                $this->append(
+                    $this->current_item[ $this->current_field ],
+                    $text );
+            }
+        }
+        elseif ( $this->parent_field[0] == 'textinput' ) {
+            if ( $this->current_namespace ) {
+                $this->append(
+                    $this->textinput[ $this->current_namespace ][ $this->current_field ],
+                     $text );
+            }
+            else {
+                $this->append(
+                    $this->textinput[ $this->current_field ],
+                    $text );
+            }
+        }
+        elseif ( $this->parent_field[0] == 'image' ) {
+            if ( $this->current_namespace ) {
+                $this->append(
+                    $this->image[ $this->current_namespace ][ $this->current_field ],
+                    $text );
+            }
+            else {
+                $this->append(
+                    $this->image[ $this->current_field ],
+                    $text );
+            }
+        }
+    }
+    
+    function append (&$str1, $str2="") {
+        if (!isset($str1) ) {
+            $str1="";
+        }
+        $str1 .= $str2;
+    }
+    
+    function error ($errormsg, $lvl=E_USER_WARNING) {
+        // append PHP's error message if track_errors enabled
+        if ( isset($php_errormsg) ) {
+            $errormsg .= " ($php_errormsg)";
+        }
+        $this->ERROR = $errormsg;
+        //if ( MAGPIE_DEBUG ) {
+        //     trigger_error( $errormsg, $lvl);                
+        //}
+        //else {
+            error_log( $errormsg, 0);
+        //}
+    }
+        
+    
+    /*======================================================================*\
+    EVERYTHING BELOW HERE IS FOR DEBUGGING PURPOSES
+    \*======================================================================*/
+    function show_list () {
+        echo "<ol>\n";
+        foreach ($this->items as $item) {
+            echo "<li>", $this->show_item( $item );
+        }
+        echo "</ol>";
+    }
+    
+    function show_channel () {
+        echo "channel:<br>";
+        echo "<ul>";
+        while ( list($key, $value) = each( $this->channel ) ) {
+            echo "<li> $key: $value";
+        }
+        echo "</ul>";
+    }
+    
+    function show_item ($item) {
+        echo "item: $item[title]";
+        echo "<ul>";
+        while ( list($key, $value) = each($item) ) {
+            if ( is_array($value) ) {
+                echo "<br><b>$key</b>";
+                echo "<ul>";
+                while ( list( $ns_key, $ns_value) = each( $value ) ) {
+                    echo "<li>$ns_key: $ns_value";
+                }
+                echo "</ul>";
+            }
+            else {
+                echo "<li> $key: $value";
+            }
+        }
+        echo "</ul>";
+    }
+    
+    /*======================================================================*\
+    END DEBUGGING FUNCTIONS    
+    \*======================================================================*/
+    
+} # end class RSS
+?>
diff --git a/rss/templib.php b/rss/templib.php
new file mode 100644 (file)
index 0000000..c84cf08
--- /dev/null
@@ -0,0 +1,251 @@
+<?php
+
+global $CFG;
+
+//initialize config vars for rss_client block if missing
+if (empty($CFG->block_rss_client_submitters) ) {
+    $CFG->block_rss_client_submitters = 2; //default to admin only
+}
+if (empty($CFG->block_rss_client_num_entries) ) {
+    $CFG->block_rss_client_num_entries = 5; //default to 5 entries per block
+}
+
+/*
+* rss_get_feed
+*   Determines whether or not to get a news feed remotely or from cache and reads it into a string
+* rssid - id of feed in blog_rss table
+* url - remote url of feed
+* type - either 'A' or 'R' where A is an atom feed and R is either rss or rdf
+* NOTE that this requires allow_url_fopen be On in your php.ini file (it may
+*  be off for security by your web host)
+*/
+function rss_get_feed($rssid, $url, $type) {
+    
+    global $CFG;;
+    $write = 0;
+
+    $secs = $CFG->block_rss_timeout * 60;
+
+    if (!file_exists($CFG->dataroot .'/cache/')) {
+        mkdir($CFG->dataroot .'/cache');
+    }
+    if (!file_exists($CFG->dataroot .'/cache/rsscache/')) {
+        mkdir($CFG->dataroot .'/cache/rsscache');
+    }
+    $file = $CFG->dataroot .'/cache/rsscache/'. $rssid .'.xml';
+//    echo "file = ". $file; //debug
+    
+    //if feed in cache
+    if (file_exists($file)) {
+        //check age of cache file
+    //      echo "file exists $file"; //debug
+        if ($CFG->debug){
+            $data = stat($file);
+        } else {
+            $data = @stat($file);
+        }
+        $now = time();
+        if (($now - $data[10]) > $secs) { //if timedout
+    //          echo "read from original"; //debug
+            //read from source
+            if ($CFG->debug){
+                $xml = file($url) or die ('Could not open the feed located at the url: ' . $url . 'allow_url_fopen needs to be On in the php.ini file for this file wrapper call to work. Please refer to <a href="http://us2.php.net/filesystem">http://us2.php.net/filesystem</a>');
+            } else {
+                $xml = @file($url) or die ('Could not open the feed located at the url: ' . $url .'allow_url_fopen needs to be On in the php.ini file for this file wrapper call to work. Please refer to <a href="http://us2.php.net/filesystem">http://us2.php.net/filesystem</a>');
+            }
+            $write = 1;
+        } else {
+    //          echo "read from cache"; //debug
+            //read in from cache
+            if ($CFG->debug){
+                $xml = file($file) or die ('Could not open the file located at: ' . $file);
+            } else {
+                $xml = @file($file) or die ('Could not open the file located at: ' . $file);
+            }
+        }
+    } else { //DNE, read from source
+    //      echo "url: ".$url; //debug
+
+        if ($CFG->debug){
+            $xml = file($url) or die ('Could not open the feed located at the url: ' . $url . 'allow_url_fopen needs to be Onin the php.ini file for this file wrapper call to work. Please refer to <a href="http://us2.php.net/filesystem">http://us2.php.net/filesystem</a>');
+        } else {
+            $xml = @file($url) or die ('Could not open the feed located at the url: ' . $url . 'allow_url_fopen needs to be On in the php.ini file for this file wrapper call to work. Please refer to <a href="http://us2.php.net/filesystem">http://us2.php.net/filesystem</a>');
+        }
+        $write = 1;
+    }
+    
+    //print_object($xml); //debug
+    if ($CFG->debug){
+        $xmlstr = implode(' ', $xml);
+    } else {
+        $xmlstr = @implode(' ', $xml);
+    }
+    
+    if ( $write && !empty($xmlstr) ) { //write file to cache
+        // jlb: adding file:/ to the start of the file name fixed
+        // some caching problems that I was experiencing.
+        //$file="file:/" + $file;
+        file_put_contents($file, $xmlstr);
+    }
+    
+    if ($type == 'A') {
+        //note: Atom is being modified by a working group
+        //http://www.mnot.net/drafts/draft-nottingham-atom-format-02.html
+        include_once($CFG->dirroot .'/rss/class.Atom.php');
+        $atom = new Atom($xmlstr);
+        $atom->channel = $atom->feed;
+        $atom->items = $atom->entries;
+        $atom->channel['description'] = $atom->channel['tagline'];
+        for($i=0;$i<count($atom->items);$i++) {
+            $atom->items[$i]['description'] = $atom->items[$i]['content'];
+        }
+        return $atom;
+    } else {
+        include_once($CFG->dirroot .'/rss/class.RSS.php');
+        $rss = new MagpieRSS($xmlstr);
+        return $rss;
+    }
+}
+
+
+function rss_display_feeds($rssid='none') {
+    global $db, $USER, $CFG, $THEME;
+    global $blogid; //hackish, but if there is a blogid it would be good to preserve it
+
+    $closeTable = false;
+    //Daryl Hawes note: convert this sql statement to a moodle function call
+    if ($rssid != 'none'){
+        $sql = 'SELECT * FROM '. $CFG->prefix .'block_rss_client WHERE id='. $rssid;
+    } else {
+        $sql = 'SELECT * FROM '. $CFG->prefix .'block_rss_client';
+    }
+    
+    $res = $db->Execute($sql);
+//    print_object($res); //debug
+    
+    if ($res->fields){
+        $closeTable = true;
+        ?>
+            <table width="100%">
+            <tr bgcolor="<?php echo $THEME->cellheading;?>" class="forumpostheadertopic">
+                <td><?php print_string('block_rss_feed', 'block_rss_client'); ?></td>
+                <td><?php print_string('edit'); ?></td>
+                <td><?php print_string('delete'); ?></td>
+            </tr>
+        <?
+    }
+    
+    if (isset($res) && $res->fields){
+        while(!$res->EOF) {
+            $editString = '&nbsp;';
+            $deleteString = '&nbsp;';
+            if ($res->fields['userid'] == $USER->id || isadmin()){
+                $editString = '<a href="'. $CFG->wwwroot .'/blocks/rss_client/block_rss_client_action.php?act=rss_edit&rssid='. $res->fields['id'] .'&blogid='. $blogid .'">';
+                $editString .= '<img src="'. $CFG->pixpath .'/t/edit.gif" alt="'. get_string('edit');
+$editString .= '" title="'. get_string('edit') .'" align="absmiddle" height=\"16\" width=\"16\" border=\"0\" /></a>';
+                
+                $deleteString = '<a href="'. $CFG->wwwroot .'/blocks/rss_client/block_rss_client_action.php?act=delfeed&rssid='. $res->fields['id'];
+                $deleteString .= '&blogid='. $blogid .'" onClick="return confirm(\''. get_string('block_rss_delete_feed_confirm', 'block_rss_client') .'\');">';
+                $deleteString .= '<img src="'. $CFG->pixpath .'/t/delete.gif" alt="'. get_string('delete');
+$deleteString .= '" title="'. get_string('delete') .'" align="absmiddle" border=\"0\" /></a>';
+            }
+            print '<tr bgcolor="'. $THEME->cellcontent .'" class="forumpostmessage"><td><strong><a href="'. $CFG->wwwroot .'/blocks/rss_client/block_rss_client_action.php?act=view&rssid=';
+            print $res->fields['id'] .'&blogid='. $blogid .'">'. $res->fields['title'] .'</a></strong><br />' ."\n";
+            print $res->fields['description'] .'&nbsp;<br />' ."\n";
+            print $res->fields['url'] .'&nbsp;&nbsp;<a href="'. $res->fields['url'] .'" target=_new><img src="'. $CFG->pixpath .'/blog/xml.gif" border="0" /></a>' ."\n";
+            print '<a href="http://feeds.archive.org/validator/check?url='. $res->fields['url'] .'">(Validate)</a>';
+            print '</td><td align="center">'. $editString .'</td>' ."\n";
+            print '<td align=\"center\">'. $deleteString .'</td>' ."\n";
+            print '</tr>'."\n";
+            $res->MoveNext();
+        }
+    }
+    if ($closeTable){
+        print '</table>'."\n";
+    }
+}
+
+function rss_get_form($act, $url, $rssid, $rsstype, $printnow=true) {
+    global $USER, $CFG, $_SERVER, $blockid, $blockaction;
+    global $blogid; //hackish, but if there is a blogid it would be good to preserve it
+
+    $returnstring = '<table><tr><td valign=\"top\">'; 
+    if ($act == 'rss_edit') { 
+        $returnstring .= get_string('edit'); 
+    } else { 
+        $returnstring .= get_string('block_rss_add_new', 'block_rss_client');
+    }
+    $returnstring .= '  '. get_string('block_rss_feed', 'block_rss_client');
+    
+    $returnstring .= '</td></tr><tr><td>';
+    
+    $returnstring .= '<form action="'. $_SERVER['PHP_SELF'] .'" method=POST name="block_rss">';
+    $returnstring .= 'URL: <input type="text" size="32" maxlength="128" name="url" value="';
+    if ($act == 'rss_edit') { 
+        $returnstring .= $url; 
+    } 
+    
+    $returnstring .= '" /><br /><select name="rsstype"><option value="R">RSS/RDF</option>
+    <option value="A"';
+    if ($act == 'rss_edit' and $rsstype == 'A') {
+        $returnstring .= ' selected';
+    } 
+    
+    $returnstring .= '>Atom</option></select>';
+    
+    $returnstring .= '<input type="hidden" name="act" value="';
+    if ($act == 'rss_edit') {
+        $returnstring .= 'updfeed';
+    } else {
+        $returnstring .= 'addfeed';
+    } 
+    $returnstring .= '" />';
+    if ($act == 'rss_edit') { 
+        $returnstring .= '<input type="hidden" name="rssid" value="'. $rssid .'" />'. "\n"; 
+    } 
+    $returnstring .= '<input type="hidden" name="blogid" value="'. $blogid .'" />';
+    $returnstring .= '<input type="hidden" name="user" value="'. $USER->id .'" />';
+    $returnstring .= '<input type="submit" value="';
+    if ($act == 'rss_edit') {
+        $returnstring .= get_string('update'); 
+    } else { 
+        $returnstring .= get_string('add'); 
+    }
+    $returnstring .= '" />&nbsp;</form>';
+    
+    $returnstring .= '<ul>' . get_string('block_rss_find_more_feeds', 'block_rss_client');
+// removed as this is possibly out of place here
+//    $returnstring .= '<li><a href="http://www.syndic8.com" target="_new">syndic8</a> <li><a href="http://www.newsisfree.com" target="_new">NewsIsFree</A>';
+    $returnstring .= '</ul>';
+    $returnstring .= '</td></tr></table>';
+    
+    if ($printnow){
+        print $returnstring;
+    }
+    return $returnstring;
+}
+
+/**
+ * added by Daryl Hawes for rss/atom feeds
+ * found at http://us4.php.net/manual/en/function.fwrite.php
+ * added check for moodle debug option. if off then use '@' to suppress error/warning messages
+ */
+if (! function_exists('file_put_contents')){
+    function file_put_contents($filename, $content) {
+        global $CFG;
+        $nr_of_bytes = 0;
+        if ($CFG->debug){
+            if (($file = fopen($filename, 'w+')) === false) return false;
+        } else {
+            if (($file = @fopen($filename, 'w+')) === false) return false;
+        }
+        if ($CFG->debug){
+            if ($nr_of_bytes = fwrite($file, $content, strlen($content)) === false) return false;
+        } else {
+            if ($nr_of_bytes = @fwrite($file, $content, strlen($content)) === false) return false;
+        }        
+        fclose($file);
+        return $nr_of_bytes;
+    }
+}
+?>
\ No newline at end of file