CallMacro.java

package net.asfun.jangod.lib.macro;

import net.asfun.jangod.lib.Macro;
import net.asfun.jangod.parse.ParseException;
import net.asfun.jangod.parse.TagToken;
import net.asfun.jangod.tree.Node;
import net.asfun.jangod.tree.TagNode;
import net.asfun.jangod.tree.TreeRebuilder;

public class CallMacro implements Macro {

    final String MACRONAME = "call";

    @Override
    public String getEndMacroName() {
	return null;
    }

    @Override
    public void refactor(Node current, String helpers, TreeRebuilder rebuilder)
	    throws ParseException {
	// helpers like name arg2=val2,arg3=var3
	String name = "";// TODO get from helpers;
	Node defineNode = rebuilder.fetchNode(MacroMacro.MACRO_NAME_PREFIX
		+ name);
	if (defineNode == null) {
	    throw new ParseException("Call a macro didn't define yet >>> "
		    + name);
	}
	String[] args = new String[] {};// TODO resolve from macro's helpers
	String[] vals = new String[] {};// TODO resolve from helpers and macro's
					// helpers
	for (int i = 0; i < args.length; i++) {
	    TagNode tn = new TagNode(new TagToken("{%set " + args[i] + " "
		    + vals[i] + " just %}"));
	    rebuilder.nodeInsertBefore(current, tn);
	}
	rebuilder.nodeReplace(current, defineNode.clone().children());
    }

    @Override
    public String getName() {
	return MACRONAME;
    }

}