net.minecraftforge.gradle.patcher.tasks.CreateFakeSASPatches Maven / Gradle / Ivy

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Minecraft mod development framework used by Forge and FML for the gradle build system adapted for mohist api.

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/*
 * ForgeGradle
 * Copyright (C) 2018 Forge Development LLC
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

package net.minecraftforge.gradle.patcher.tasks;

import org.apache.commons.io.FileUtils;
import org.gradle.api.DefaultTask;
import org.gradle.api.file.ConfigurableFileCollection;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.tasks.InputFiles;
import org.gradle.api.tasks.OutputDirectory;
import org.gradle.api.tasks.TaskAction;

import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

public abstract class CreateFakeSASPatches extends DefaultTask {
    public CreateFakeSASPatches() {
        getOutput().convention(getProject().getLayout().getBuildDirectory().dir(getName()).map(d -> d.dir("patches")));
    }

    @InputFiles
    public abstract ConfigurableFileCollection getFiles();

    @OutputDirectory
    public abstract DirectoryProperty getOutput();

    @TaskAction
    public void apply() throws IOException {
        File output = getOutput().get().getAsFile();
        if (output.exists())
            output.mkdirs();
        for (File file : getFiles()) {
            for (String line : FileUtils.readLines(file, StandardCharsets.UTF_8)) {
                int idx = line.indexOf('#');
                if (idx == 0 || line.isEmpty()) continue;
                if (idx != -1) line = line.substring(0, idx - 1);
                if (line.charAt(0) == '\t') line = line.substring(1);
                String cls = (line.trim() + "    ").split(" ", -1)[0];
                File patch = new File(output, cls + ".java.patch");
                if (!patch.getParentFile().exists())
                    patch.getParentFile().mkdirs();
                patch.createNewFile();
            }
        }
    }
}