more cssification of diff rendering, some " -> ' in diff engine
[lhc/web/wiklou.git] / includes / Title.php
index 636dd5c..cba6d53 100644 (file)
@@ -88,7 +88,7 @@ class Title {
        # From a URL-encoded title
        /* static */ function newFromURL( $url )
        {
-               global $wgLang, $wgServer;
+               global $wgLang, $wgServer, $wgIsMySQL, $wgIsPg;
                $t = new Title();
                
                # For compatibility with old buggy URLs. "+" is not valid in titles,
@@ -109,14 +109,20 @@ class Title {
                
                $t->mDbkeyform = str_replace( " ", "_", $s );
                if( $t->secureAndSplit() ) {
-
                        # check that lenght of title is < cur_title size
-                       $sql = "SHOW COLUMNS FROM cur LIKE \"cur_title\";";
-                       $cur_title_object = wfFetchObject(wfQuery( $sql, DB_READ ));
+                       if ($wgIsMySQL) {
+                               $sql = "SHOW COLUMNS FROM cur LIKE \"cur_title\";";
+                               $cur_title_object = wfFetchObject(wfQuery( $sql, DB_READ ));
 
-                       preg_match( "/\((.*)\)/", $cur_title_object->Type, $cur_title_size);
+                               preg_match( "/\((.*)\)/", $cur_title_object->Type, $cur_title_type);
+                               $cur_title_size=$cur_title_type[1];
+                       } else {
+                               /* midom:FIXME pg_field_type does not return varchar length
+                                  assume 255 */
+                               $cur_title_size=255;
+                       }
 
-                       if (strlen($t->mDbkeyform) > $cur_title_size[1] ) {
+                       if (strlen($t->mDbkeyform) > $cur_title_size ) {
                                return NULL;
                        }
 
@@ -1167,5 +1173,84 @@ class Title {
                return true;
        }
        
+       # Get categories to wich belong this title and return an array of
+       # categories names.
+       function getParentCategories( )
+       {
+               global $wgLang,$wgUser;
+               
+               #$titlekey = wfStrencode( $this->getArticleID() );
+               $titlekey = $this->getArticleId();
+               $cns = Namespace::getCategory();
+               $sk =& $wgUser->getSkin();
+               $parents = array();
+               
+               # get the parents categories of this title from the database
+               $sql = "SELECT DISTINCT cur_id FROM cur,categorylinks
+                       WHERE cl_from='$titlekey' AND cl_to=cur_title AND cur_namespace='$cns'
+                               ORDER BY cl_sortkey" ;
+               $res = wfQuery ( $sql, DB_READ ) ;
+               
+               if(wfNumRows($res) > 0) {
+                       while ( $x = wfFetchObject ( $res ) ) $data[] = $x ;
+                       wfFreeResult ( $res ) ;
+               } else {
+                       $data = '';
+               }
+               return $data;
+       }
+       
+       # will get the parents and grand-parents
+       # TODO : not sure what's happening when a loop happen like:
+       #       Encyclopedia > Astronomy > Encyclopedia
+       function getAllParentCategories(&$stack)
+       {
+               global $wgUser,$wgLang;
+               $result = '';
+               
+               # getting parents
+               $parents = $this->getParentCategories( );
+
+               if($parents == '')
+               {
+                       # The current element has no more parent so we dump the stack
+                       # and make a clean line of categories
+                       $sk =& $wgUser->getSkin() ;
+
+                       foreach ( array_reverse($stack) as $child => $parent )
+                       {
+                               # make a link of that parent
+                               $result .= $sk->makeLink($wgLang->getNSText ( Namespace::getCategory() ).":".$parent,$parent);
+                               $result .= ' &gt; ';
+                               $lastchild = $child;
+                       }
+                       # append the last child.
+                       # TODO : We should have a last child unless there is an error in the
+                       # "categorylinks" table.
+                       if(isset($lastchild)) { $result .= $lastchild; }
+                       
+                       $result .= "<br/>\n";
+                       
+                       # now we can empty the stack
+                       $stack = array();
+                       
+               } else {
+                       # look at parents of current category
+                       foreach($parents as $parent)
+                       {
+                               # create a title object for the parent
+                               $tpar = Title::newFromID($parent->cur_id);
+                               # add it to the stack
+                               $stack[$this->getText()] = $tpar->getText();
+                               # grab its parents
+                               $result .= $tpar->getAllParentCategories(&$stack);
+                       }
+               }
+
+               if(isset($result)) { return $result; }
+               else { return ''; };
+       }
+       
+       
 }
 ?>