// Copyright 2019 The Bazel Authors. All rights reserved.
//
// 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.google.devtools.build.lib.bazel.rules.ninja.lexer;

import java.nio.charset.StandardCharsets;
import javax.annotation.Nullable;

/** Token types for {@link NinjaLexer}. */
public enum NinjaToken {
  ERROR("error"),
  BUILD("build"),
  RULE("rule"),
  ESCAPED_TEXT("escaped text symbol"),
  TEXT("text"),
  IDENTIFIER("identifier"),
  VARIABLE("variable"),
  DEFAULT("default"),
  POOL("pool"),
  SUBNINJA("subninja"),
  INCLUDE("include"),

  COLON(":"),
  EQUALS("="),
  PIPE("|"),
  PIPE2("||"),
  PIPE_AT("|@"),

  INDENT("indent"),
  NEWLINE("newline"),

  ZERO("zero byte"),
  EOF("end of file");

  private final byte[] bytes;

  NinjaToken(@Nullable String text) {
    this.bytes = text != null ? text.getBytes(StandardCharsets.ISO_8859_1) : new byte[0];
  }

  public byte[] getBytes() {
    return bytes;
  }
}