children as $key => $child) { if (is_string($child)) { $temp .= $child ; } elseif ($child->name != 'ATTRS') { $ret .= $this->add_temp_text ( $temp ) ; $sub = $child->parse ( $tree , "" , $this ) ; if ( $this->name == 'LINK' ) { if ( $child->name == 'TARGET' ) $this->link_target = $sub ; else if ( $child->name == 'PART' ) $this->link_parts[] = $sub ; else if ( $child->name == 'TRAIL' ) $this->link_trail = $sub ; } $ret .= $sub ; } } return $ret . $this->add_temp_text ( $temp ) ; } function fix_text ( $s ) { $s = html_entity_decode ( $s , ENT_COMPAT, 'UTF-8') ; // dbu 2007-08-20 filter_named_entities ( $s ) ; $s = str_replace ( "&" , "&" , $s ) ; $s = str_replace ( "<" , "<" , $s ) ; $s = str_replace ( ">" , ">" , $s ) ; return $s; // utf8_decode ( $s ) ; // dbu 2007-08-20 } function add_temp_text ( &$temp ) { $s = $temp ; $temp = "" ; return $this->fix_text ( $s ) ; } function add_new ( $tag , &$tree ) { return $this->ensure_new ( $tag , $tree , "<{$tag}>\n" ) ; } function ensure_new ( $tag , &$tree , $opttag = "" ) { if ( $opttag == "" ) { # Catching special case (currently,
) foreach ( $tree->opentags AS $o ) { if ( $o == $tag ) return "" ; # Already open } } array_push ( $tree->opentags , $tag ) ; if ( $opttag == "" ) return "<{$tag}>\n" ; else return $opttag ; } function close_last ( $tag , &$tree , $all = false ) { $found = false ; foreach ( $tree->opentags AS $o ) { if ( $o == $tag ) $found = true ; } if ( !$found ) return "" ; # Already closed $ret = "\n" ; while ( count ( $tree->opentags ) > 0 ) { $o = array_pop ( $tree->opentags ) ; $ret .= "\n" ; if ( $o == $tag ) { if ( $all ) return $ret . $this->close_last ( $tag , $tree , true ) ; else return $ret ; } } } function handle_extensions ( &$tree ) { global $content_provider ; $sub = "" ; $name = strtolower ( $this->attrs['EXTENSION_NAME'] ) ; $ot = $tree->opentags ; $tree->opentags = array () ; if ( $name == 'ref' ) $sub .= $this->ensure_new ( 'para' , $tree ) ; $sub .= $this->sub_parse ( $tree ) ; while ( count ( $tree->opentags ) > 0 ) $sub .= "opentags ) . ">\n" ; $tree->opentags = $ot ; if ( $name == 'ref' ) { $ret = '' . $sub . '' ; } else { $ret = $sub ; } return $ret ; } function internal_id ( $title ) { #return urlencode ( $title ) ; $ret = "" ; for ( $a = 0 ; $a < strlen ( $title ) ; $a++ ) { if ( ( $title[$a] >= 'A' && $title[$a] <= 'Z' ) || ( $title[$a] >= 'a' && $title[$a] <= 'z' ) || ( $title[$a] >= '0' && $title[$a] <= '9' ) ) $ret .= $title[$a] ; else $ret .= "_" ; } return $ret ; } function handle_link ( &$tree ) { global $content_provider ; $ot = $tree->opentags ; $sub = $this->sub_parse ( $tree ) ; $tree->opentags = $ot ; $link = "" ; if ( isset ( $this->attrs['TYPE'] ) AND strtolower ( $this->attrs['TYPE'] ) == 'external' ) { # External link $href = htmlentities ( $this->attrs['HREF'] ) ; if ( trim ( $sub ) == "" ) { $sub = $href ; $sub = explode ( '://' , $sub , 2 ) ; $sub = explode ( '/' , array_pop ( $sub ) , 2 ) ; $sub = array_shift ( $sub ) ; } $sub = $this->fix_text ( $sub ) ; $link = "{$sub}" ; } else { # Internal link if ( count ( $this->link_parts ) > 0 ) { $link = array_pop ( $this->link_parts ) ; array_push ( $this->link_parts , $link ) ; # Compensating array_pop } $link_text = $link ; if ( $link == "" ) $link = $this->link_target ; $link .= $this->link_trail ; $ns = $content_provider->get_namespace_id ( $this->link_target ) ; if ( $ns == 6 ) { # Image $nstext = explode ( ":" , $this->link_target , 2 ) ; $target = array_pop ( $nstext ) ; $nstext = array_shift ( $nstext ) ; $text = array_pop ( $this->link_parts ) ; $is_thumb = false ; $align = '' ; $width = '' ; foreach ( $this->link_parts AS $s ) { $s = trim ( $s ) ; if ( $s == 'thumb' ) { $is_thumb = true ; if ( $align == '' ) $align = 'right' ; if ( $width == '' ) $width = '200px' ; } } $href = $content_provider->get_image_url ( $target ) ; $link = "\n\nlink_target ; $nstext = explode ( ":" , $sub , 2 ) ; $name = array_pop ( $nstext ) ; $nstext = array_shift ( $nstext ) ; $href = "http://{$nstext}.wikipedia.org/wiki/" . htmlentities ( $name ) ; $link = "{$sub}" ; } else if ( $ns == -8 ) { # Category link if ( $link_text == "!" || $link_text == '*' ) $link = "" ; else $link = " ({$link})" ; $link = "" . $this->link_target . $link . "" ; } else { if ( $content_provider->is_an_article ( $this->link_target ) ) { $lt = $this->internal_id ( trim ( $this->link_target ) ) ; $lt = str_replace ( "+" , "_" , $lt ) ; $link = "{$link}" ; } else { #$link = "{$link}" ; } } } return $link ; } function make_tgroup ( &$tree ) { $num_rows = 0 ; $max_num_cols = 0 ; $caption = "" ; foreach ($this->children AS $key1 => $row) { if (is_string($row)) continue ; elseif ($row->name == 'TABLECAPTION') { $caption .= $row->parse ( $tree , "DOCAPTION" , $this ) ; continue ; } elseif ($row->name != 'TABLEROW') continue ; $num_rows++ ; $num_cols = 0 ; foreach ( $row->children AS $key2 => $col ) { if (is_string($col)) continue ; if ($col->name != 'TABLECELL' && $col->name != 'TABLEHEAD') continue ; if ( isset ( $col->attrs['COLSPAN'] ) ) $num_cols += $col->attrs['COLSPAN'] ; else $num_cols++ ; } if ( $num_cols > $max_num_cols ) $max_num_cols = $num_cols ; } return "{$caption}" ; } function top_tag ( &$tree ) { if ( count ( $tree->opentags ) == 0 ) return "" ; $x = array_pop ( $tree->opentags ) ; array_push ( $tree->opentags , $x ) ; return $x ; } function convert_xhtml_tags ( &$oldtag , &$tree , &$ret ) { if ( substr ( $oldtag , 0 , 6 ) != 'XHTML:' ) return false ; $tag = substr ( $oldtag , 6 ) ; if ( $tag == 'UL' || $tag == 'OL' ) { $ot = $tree->opentags ; $r = "" ; $found = false ; while ( count ( $ot ) > 0 ) { $x = array_pop ( $ot ) ; $r .= "\n" ; $found = true ; if ( $x == 'para' ) break ; # if ( $x == 'listitem' ) break ; $found = false ; } if ( !$found ) return false ; $tree->opentags = $ot ; if ( $tag == 'UL' ) $this->attrs['TYPE'] = "bullet" ; if ( $tag == 'OL' ) $this->attrs['TYPE'] = "numbered" ; $oldtag = 'LIST' ; $ret .= $r ; return true ; } else if ( $tag == 'LI' ) { # $tt = $this->top_tag ( $tree ) ; # print $tt . "
" ; # if ( $tt != 'itemizedlist' && $tt != 'orderedlist' ) return false ; $oldtag = 'LISTITEM' ; } return false ; # No match } /* * Parse the tag */ function parse ( &$tree , $param = "" , $root = "" ) { global $content_provider ; $ret = ''; $tag = $this->name ; $close_tag = "" ; # Pre-fixing XHTML to wiki tags $xhtml_conversion = $this->convert_xhtml_tags ( $tag , $tree , $ret ) ; if ( $tag == 'SPACE' ) { return ' ' ; # Speedup } else if ( $tag == 'ARTICLES' ) { # dummy, to prevent default action to be called } else if ( $tag == 'AUTHORS' ) { # dummy, to prevent default action to be called } else if ( $tag == 'AUTHOR' ) { add_author ( $this->sub_parse ( $tree ) ) ; return "" ; } else if ( $tag == 'ARTICLE' ) { $title = isset ( $this->attrs["TITLE"] ) ? $this->attrs["TITLE"] : "Untiteled" ; $id = $this->internal_id ( $title ) ; $ret .= "
\n"; $ret .= "" . urldecode ( $title ) . "\n" ; } else if ( $tag == 'LINK' ) { return $this->handle_link ( $tree ) ; # Shortcut } else if ( $tag == 'EXTENSION' ) { return $this->handle_extensions ( $tree ) ; # Shortcut } else if ( $tag == 'HEADING' ) { $level = count ( $tree->sections ) ; $wanted = $this->attrs["LEVEL"] ; $ret .= $this->close_last ( "para" , $tree ) ; while ( $level >= $wanted ) { $x = array_pop ( $tree->sections ) ; if ( $x == 1 ) { $ret .= $this->close_last ( "section" , $tree ) ; } $level-- ; } while ( $level < $wanted ) { $level++ ; if ( $level < $wanted ) { array_push ( $tree->sections , 0 ) ; } else { $ret .= $this->ensure_new ( "section" , $tree , "
" ) ; array_push ( $tree->sections , 1 ) ; } } $ret .= "" ; } else if ( $tag == 'PARAGRAPH' || $tag == 'XHTML:P' ) { # Paragraph $ret .= $this->close_last ( "para" , $tree ) ; $ret .= $this->ensure_new ( "para" , $tree ) ; } else if ( $tag == 'LIST' ) { # List $ret .= $this->close_last ( "para" , $tree ) ; $list_type = strtolower ( $this->attrs['TYPE'] ) ; if ( $list_type == 'bullet' || $list_type == 'ident' || $list_type == 'def' ) $ret .= '<itemizedlist mark="opencircle">' ; else if ( $list_type == 'numbered' ) $ret .= '<orderedlist numeration="arabic">' ; } else if ( $tag == 'LISTITEM' ) { # List item $ret .= $this->close_last ( "para" , $tree ) ; $ret .= "<listitem>\n" ; $ret .= $this->ensure_new ( "para" , $tree ) ; } else if ( $tag == 'TABLE' ) { # Table $ret .= $this->add_new ( "table" , $tree ) ; # $ret .= "<title>" ; $ret .= $this->make_tgroup ( $tree ) ; $ret .= "" ; } else if ( $tag == 'TABLEROW' ) { # Tablerow $retl_before = strlen ( $ret ) ; $ret .= $this->add_new ( "row" , $tree ) ; $retl_after = strlen ( trim ( $ret ) ) ; } else if ( $tag == 'TABLEHEAD' ) { # Tablehead $ret .= $this->add_new ( "entry" , $tree ) ; } else if ( $tag == 'TABLECELL' ) { # Tablecell $old_ret = $ret ; $ret .= $this->add_new ( "entry" , $tree ) ; } else if ( $tag == 'TABLECAPTION' ) { # Tablecaption if ( $param != "DOCAPTION" ) return "" ; # $ret .= $this->add_new ( "title" , $tree ) ; } else if ( $tag == 'BOLD' || $tag == 'XHTML:STRONG' || $tag == 'XHTML:B' ) { # or ''' $ret .= $this->ensure_new ( "para" , $tree ) ; $ret .= '' ; $close_tag = "emphasis" ; } else if ( $tag == 'ITALICS' || $tag == 'XHTML:EM' || $tag == 'XHTML:I' ) { # or '' $ret .= $this->ensure_new ( "para" , $tree ) ; $ret .= '' ; $close_tag = "emphasis" ; } else if ( $tag == 'XHTML:TT' ) { # $ret .= $this->ensure_new ( "para" , $tree ) ; $ret .= '' ; $close_tag = "literal" ; } else if ( $tag == 'XHTML:SUB' ) { # $ret .= $this->ensure_new ( "para" , $tree ) ; $ret .= '' ; $close_tag = "subscript" ; } else if ( $tag == 'XHTML:SUP' ) { # $ret .= $this->ensure_new ( "para" , $tree ) ; $ret .= '' ; $close_tag = "superscript" ; } else if ( $tag == 'XHTML:SUP' ) { # $ret .= $this->ensure_new ( "para" , $tree ) ; $ret .= '' ; $close_tag = "superscript" ; } else if ( $tag == 'PRELINE' OR $tag == 'XHTML:PRE' ) { # 
			$ret .= $this->ensure_new ( "para" , $tree ) ;
			$ret .= '' ;
			$close_tag = "programlisting" ;
		} else if ( $tag == 'DEFVAL' ) {
			$ret .= $this->ensure_new ( "para" , $tree ) ;
			$ret .= " : " ;
		} else { # Default : normal text
			$ret .= $this->ensure_new ( "para" , $tree ) ;
		}
		
		
		
		# Get the sub-items
		$length_between = strlen ( $ret ) ;
		if ( $tag != 'MAGIC_VARIABLE' && $tag != 'TEMPLATE' ) {
			$ret .= $this->sub_parse ( $tree ) ;
		}
		$length_between = strlen ( $ret ) - $length_between ;
		
		
		
		# Close tags
		if ( $tag == 'LIST' ) {
			$ret .= $this->close_last ( "para" , $tree ) ;
			if ( $list_type == 'bullet' || $list_type == 'ident' || $list_type == 'def' ) $ret .= "\n" ;
			else if ( $list_type == 'numbered' ) $ret .= "\n" ;
			if ( $xhtml_conversion )
				$ret .= $this->ensure_new ( "para" , $tree ) ;
		} else if ( $tag == 'LISTITEM' ) {
			$ret .= $this->close_last ( "para" , $tree ) ;
			$ret .= "\n" ;
		} else if ( $close_tag != "" ) {
			$ret .= "" ;
		} else if ( $tag == 'HEADING' ) {
			$ret .= "\n" ;
		
		
		} else if ( $tag == 'TABLE' ) { # Table
			$ret .= "" ;
			$ret .= "" ;
			$ret .= $this->close_last ( "table" , $tree ) ;
		} else if ( $tag == 'TABLEROW' ) { # Tablerow
			if ( strlen ( trim ( $ret ) ) == $retl_after ) {
				$ret = substr ( $ret , 0 , $retl_before ) ;
				$this->close_last ( "row" , $tree ) ;
			} else $ret .= $this->close_last ( "row" , $tree ) ;
		} else if ( $tag == 'TABLEHEAD' ) { # Tablehead !!!!
			$ret .= $this->close_last ( "entry" , $tree ) ;
		} else if ( $tag == 'TABLECELL' ) { # Tablecell
			$ret .= $this->close_last ( "entry" , $tree ) ;
#			if ( $length_between == 0 ) $ret = $old_ret ;
		} else if ( $tag == 'TABLECAPTION' ) { # Tablecaption
#			$ret .= $this->close_last ( "title" , $tree ) ;


		} else if ( $tag == 'ARTICLE' ) {
			$ret .= $this->close_last ( "section" , $tree , true ) ;
			$ret .= $this->close_last ( "para" , $tree ) ;
			$ret .= "
"; } return $ret; } } require_once ( "xml2tree.php" ) ; # Uses the "element" class defined above ?>