/*
* Copyright (C) 2013 The Rythm Engine project
* Gelin Luo <greenlaw110(at)gmail.com>
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.rythmengine.internal.dialect;
import org.rythmengine.internal.CodeBuilder;
import org.rythmengine.internal.IContext;
import org.rythmengine.internal.IDialect;
import org.rythmengine.internal.ToStringTemplateBase;
/**
* ToString mode is a very limited subset of Rythm which has only basic Rythm features:
* <ul>
* <li>Expression evaluation and escaping</li>
* <li>if-elseif-else</li>
* </ul>
* <p/>
* Specifically, argument declaration and scripting is disabled in ToString mode; @for loop is not allowed in ToString mode also
*/
public class ToString extends SimpleRythm {
public static final String ID = "rythm-toString";
@Override
public String id() {
return ID;
}
public static final IDialect INSTANCE = new ToString();
protected ToString() {
}
public String a() {
return "@";
}
protected Class type = null;
public ToString(Class type) {
if (null == type) throw new NullPointerException();
this.type = type;
}
@Override
public boolean isMyTemplate(String template) {
String[] forbidden = {
"@args",
"@assign",
"@debug",
"@doLayout",
"@doBody",
"@extends",
"@section",
"@render",
"@import",
"@include",
"@invoke",
"@set",
"@get",
"@init",
"@expand",
"@exec",
"@macro",
"@compact",
"@nocompact",
"@def ",
"@tag ",
"@return",
"@nosim",
"@verbatim"
};
for (String s : forbidden) {
if (template.contains(s)) return false;
}
return true;
}
@Override
public boolean enableScripting() {
return false;
}
@Override
public void begin(IContext ctx) {
CodeBuilder cb = ctx.getCodeBuilder();
cb.addRenderArgs(ctx.currentLine(), type.getName().replace('$', '.'), "_");
//cb.setSimpleTemplate(0);
cb.setExtended(ToStringTemplateBase.class);
}
}