src/com/facebook/buck/apple/clang/PrintHeaderMap.java

/*
 * Copyright 2014-present Facebook, Inc.
 *
 * 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.facebook.buck.apple.clang;

import java.io.File;
import java.io.IOException;
import java.nio.file.FileSystems;

public final class PrintHeaderMap {

  private PrintHeaderMap() {}

  public static void main(String[] args) {
    if (args.length < 1) {
      System.err.println("Usage: java -jar hmaptool.jar HEADER-MAP-FILE(S)");
      System.exit(1);
    }
    try {
      for (int i = 0; i < args.length; i++) {
        File file = FileSystems.getDefault().getPath(args[i]).toFile();
        HeaderMap map = HeaderMap.loadFromFile(file);
        map.print(System.out);
      }
    } catch (IOException e) {
      System.err.println(e.toString());
      System.exit(1);
    }
  }
}