/**
  * get the prototype of any doc-object (either a prototype, a function or a tag)
  */
function getDocPrototype (obj) {
	var tmp = obj;
	while (tmp!=null && tmp.getType () != this.PROTOTYPE) {
		tmp = tmp.getParentElement ();
	}
	return tmp;
}


/**
  * get a prototype of this docapplication, ie get on of the children of this object
  */
function getPrototype (name) {
	return this.getChildElement ("prototype_" + name);
}


function getDir (dir, obj) {
	dir.mkdir ();
	if (obj.getType () == this.APPLICATION) {
		return dir;
	} else {
		var protoObj = this.getDocPrototype (obj);
		var dir = new File (dir, protoObj.getElementName ());
		dir.mkdir ();
		return dir;
	}
}


function storePage (obj, action, backPath, filename) {
	if (filename==null)
		var filename = action + ".html";
	var str = this.getPage (obj, action, backPath);
	var appObj = this.getParentElement ();
	var dir = new File (appObj.getAppDir ().getAbsolutePath (), ".docs");
	dir = this.getDir (dir, obj);
	var f = new File (dir, filename);
	f.remove ();
	f.open ();
	f.write (str);
	f.close ();
	app.log ("wrote file " + f.toString ());
}


function getPage (obj, action, backPath) {
	backPath = (backPath==null) ? "" : backPath;
	res.pushStringBuffer ();
	eval ("obj." + action + "_action ();");
	var str = res.popStringBuffer ();
	// get the baseURI out of the url and replace
	// it with the given relative prefix
	// (keep anchors in regex!)
	var reg = new RegExp ("href=\"" + this.href ("") + "([^\"#]+)([^\"]*)\"");
	reg.global = true;
	str = str.replace (reg, "href=\"" + backPath + "$1.html$2\"");
	var reg = new RegExp ("src=\"" + this.href ("") + "([^\"#]+)([^\"]*)\"");
	reg.global = true;
	str = str.replace (reg, "src=\"" + backPath + "$1.html$2\"");
	// shorten links, so that function files can move up one directory
	// in the hierarchy
	var reg = new RegExp ("(prototype_[^/]+/[^/]+)/main.html");
	reg.global = true;
	str = str.replace (reg, "$1.html");
	return str;
}