/**
  * In this example we shall look into recursive macros.
  * See example4.tlt for more information.
  */

import ee.mare.indrek.jtlt.*;
import ee.mare.indrek.jtlt.macros.*;

class GirlsMacro extends MacroAdapter {
  GirlsMacro ()
  {
    super ("GIRLS");
  }

  public String process (TemplateParams ctx, String name, String args)
  {
    return "Girls like " + args + ", but <!--BOYS:" + args +
        "-->.<!--KEY:ahem-->";
  }

  public boolean isRecursive ()
  {
    return true;
  }
}

public class Example4 {
  public static void main (String[] args) throws Exception
  {
    // Generate our own context
    TemplateContext ctx = new TemplateContext ();

    // Register our custom macro
    ctx.registerMacro (new GirlsMacro ());

    // A good chance to demonstrate the nonrecursive enclose macro
    // that just wraps the macro argument between specified prefix
    // and sufix.
    ctx.registerMacro (new EncloseMacro("BOYS", "boys like ", " too"));

    // Create generator and instance a template.
    TemplateGenerator gen = new TemplateGenerator ("example4.tlt", ctx);
    Template tlt = gen.createTemplate();

    // This is confusing on purpose :)
    tlt.replace ("fruit", "orange_key");
    tlt.replace ("orange_key", "This is an apple");

    // Our girls macro output also has a key named ahem. Lets provide it.
    tlt.replace ("ahem", " Ahem!");

    // Key-s are not recursive macros, see for yourself:
    tlt.replace ("key_test", "Key contents - <!--GIRLS:flowers-->");

    // Print the macro contents out
    System.out.println (tlt.toString());
  }
}