GwtModuleGenerator.java

/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * 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.badlogic.gdx.utils;

import java.io.IOException;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;

import com.badlogic.gdx.files.FileHandle;

/**
 * Generates the gdx.gwt.xml file by running through the gdx/src/ directory and cross-referencing it with the
 * gdx-backends-gwt directory.
 * 
 * @author mzechner
 */
public class GwtModuleGenerator {
	private static void gatherJavaFiles(FileHandle dir, Set<String> names, Map<String, FileHandle> fileHandles,
			boolean recursive) {
		if (dir.name().equals(".svn"))
			return;
		FileHandle[] files = dir.list();
		for (FileHandle file : files) {
			if (file.isDirectory() && recursive) {
				gatherJavaFiles(file, names, fileHandles, recursive);
			} else {
				if (file.extension().equals("java")) {
					System.out.println(file.name());
					if (names.contains(file.name()))
						System.out.println(file.name() + " duplicate!");
					names.add(file.name());
					fileHandles.put(file.name(), file);
				}
			}
		}
	}

	public static void main(String[] args) throws IOException {
		Set<String> excludes = new HashSet<String>();
		Map<String, FileHandle> excludesHandles = new HashMap<String, FileHandle>();
		System.out.println("Excludes -------------------------------------------------");
		gatherJavaFiles(new FileHandle(
				"../backends/gdx-backends-gwt/src/com/badlogic/gdx/backends/gwt/emu/com/badlogic/gdx"), excludes,
				excludesHandles, true);
		System.out.println("#" + excludes.size());

		// build and shared library loading utils
		excludes.add("GdxBuild.java");
		excludes.add("GdxNativesLoader.java");
		excludes.add("GwtModuleGenerator.java");
		excludes.add("SharedLibraryLoader.java");

		// native pixmap routines
		excludes.add("Gdx2DPixmap.java");
		excludes.add("PixmapIO.java");
		excludes.add("ETC1.java");
		excludes.add("ETC1TextureData.java");
		excludes.add("ScreenUtils.java");

		// remote input
		excludes.add("RemoteInput.java");
		excludes.add("RemoteSender.java");

		// tiled support
		excludes.add("TiledLoader.java"); // FIXME?
		excludes.add("TileMapRendererLoader.java"); // FIXME?

		// various utils
		excludes.add("AtomicQueue.java");
		excludes.add("LittleEndianInputStream.java");
		excludes.add("PauseableThread.java");
		excludes.add("DesktopClipboard.java");
		excludes.add("AndroidClipboard.java");

		// scene2d ui package
// gatherJavaFiles(new FileHandle("src/com/badlogic/gdx/scenes/scene2d/ui"), excludes, excludesHandles, true);

		Set<String> includes = new HashSet<String>();
		Map<String, FileHandle> includesHandles = new TreeMap<String, FileHandle>();
		System.out.println("Includes -------------------------------------------------");
		gatherJavaFiles(new FileHandle("src"), includes, includesHandles, true);
		System.out.println("#" + includes.size());

		for (String include : includes) {
			if (!excludes.contains(include))
				continue;
			FileHandle includeFile = includesHandles.get(include);
			FileHandle excludeFile = excludesHandles.get(include);
			includesHandles.remove(include);
			System.out.println("excluded '" + include + "'");
		}

		System.out.println("diff: " + includesHandles.size());

		StringWriter writer = new StringWriter();
		writer.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
		XmlWriter builder = new XmlWriter(writer);
		builder.element("module").attribute("rename-to", "com.badlogic.gdx");
		builder.element("inherits").attribute("name", "com.esotericsoftware.tablelayout").pop();
		builder.element("source").attribute("path", "gdx");
		for (String include : includesHandles.keySet()) {
			String name = includesHandles.get(include).path().replace("\\", "/").replace("src/com/badlogic/gdx/", "");
			builder.element("include").attribute("name", name).pop();
		}
		// duplicate names...
		builder.element("include").attribute("name", "graphics/g2d/Animation.java").pop();
		builder.element("include").attribute("name", "graphics/g3d/Animation.java").pop();
		builder.pop();
		builder.pop();
		builder.close();
		System.out.println(writer);

		new FileHandle("src/com/badlogic/gdx.gwt.xml").writeString(writer.toString(), false);
	}
}