| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij.compiler.ant; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| |
| /** |
| * @author Eugene Zhuravlev |
| * Date: Mar 16, 2004 |
| */ |
| public abstract class Generator { |
| private static int ourIndent = 0; |
| private static final int INDENT_SHIFT = 2; |
| |
| public abstract void generate(PrintWriter out) throws IOException; |
| |
| protected static void crlf(PrintWriter out) throws IOException { |
| out.println(); |
| indent(out); |
| } |
| |
| protected static void shiftIndent() { |
| ourIndent += INDENT_SHIFT; |
| } |
| |
| protected static void unshiftIndent() { |
| ourIndent -= INDENT_SHIFT; |
| } |
| |
| protected static void indent(PrintWriter out) throws IOException { |
| for (int idx = 0; idx < ourIndent; idx++) { |
| out.print(" "); |
| } |
| } |
| |
| /** |
| * Write XML header |
| * @param out a writer |
| * @throws IOException in case of IO problem |
| */ |
| protected static void writeXmlHeader(final PrintWriter out) throws IOException { |
| //noinspection HardCodedStringLiteral |
| out.print("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
| crlf(out); |
| } |
| |
| } |