#!/usr/bin/php
<?

/* script to convert devhelp files into dbm files */
dl('dba.so');
require_once(dirname(__FILE__)."/../languages/XML/parser_XML.class");




// load it!
class devhelp_to_dbm {
    var $dbm_handler = "db2";
    var $parent = 0;
    
    function parse_file() {
        $this->parser = &new parser_XML();
        $this->parser->data = implode("",file($this->file));
        $this->parser->skip_empty  =1;
        $this->parser->expat_parse();
        //$this->add_to_books();
        $this->build_tree();
    }    
    
    function build_tree() {
        $tree_filename = "{$this->basedir}/{$this->book}_tree.dbm";
        $pages_filename = "{$this->basedir}/{$this->book}_pages.dbm";        
        $funcs_filename = "{$this->basedir}/{$this->book}_funcs.dbm";
        
        @unlink($tree_filename);
        @unlink($pages_filename);
        @unlink($funcs_filename);
        echo "SAVING TO $tree_filename\n$pages_filename\n$funcs_filename\n";
        
        $this->dbtree = dba_open($tree_filename ,"c",$this->dbm_handler);
        $this->dbpages = dba_open($pages_filename ,"c",$this->dbm_handler);
        $this->dbfuncs = dba_open($funcs_filename ,"c",$this->dbm_handler);
        $i = 0;
        $this->parent=0;
        $this->add_to_tree($i);
        dba_close($this->dbtree);
        dba_close($this->dbpages);
    }
    function add_to_tree($i) {
        $item = &$this->parser->htmltree[$i];
        switch ($item->title) {
            case "SUB":
                if ($item->children)
                    dba_replace($i, implode(",",$item->children),$this->dbtree);
                dba_replace($i,
                    $item->attributes["NAME"] . "\t" . $item->attributes["LINK"] ,
                    $this->dbpages
                );
                break;
            case "BOOK":              
                dba_replace($i, implode(",",$item->children),$this->dbtree);
                if (!$item->attributes["DEFAULT_URL"])
                    $item->attributes["DEFAULT_URL"] = $item->attributes["BASE"];
                dba_replace($i,
                    $item->attributes["TITLE"] . "\t" . $item->attributes["DEFAULT_URL"] ,
                    $this->dbpages
                );
                $this->book_id = $i;
                break; 
            case "FUNCTION":
                dba_replace($item->attributes["NAME"] , $item->attributes["LINK"] ,
                    $this->dbfuncs
                );
               
                break; 
            case "CHAPTERS":
                dba_replace($this->book_id, implode(",",$item->children),$this->dbtree);
                break;
                
                
        }        
        foreach($this->parser->htmltree[$i]->children as $k)
            $this->add_to_tree($k);
    }    
     
    

    function read_books() {
        $this->basedir = dirname(__FILE__)."/../help";
        $dir = "{$this->basedir}/specs";
        $dh = opendir($dir);
        while (($this->book = readdir($dh)) !== FALSE) {
            if ($this->book{0} == ".") continue;
            $this->file = $dir . "/". $this->book;
            $this->parse_file();
        }    
    }
  
}

$t = &new devhelp_to_dbm();
$t->read_books();

?>