/*
    * Copyright 2021 TiKV Project Authors.
    *
    * 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 org.tikv.common.codec;
  
  import com.google.common.primitives.Longs;
  
  public class CodecDataOutputLittleEndian extends CodecDataOutput {
    public CodecDataOutputLittleEndian() {
      super();
    }
  
    public CodecDataOutputLittleEndian(int size) {
      super(size);
    }
  
    @Override
    public void writeShort(int v) {
      try {
        s.write(v & 0xff);
        s.write((v >> 8) & 0xff);
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    }
  
    @Override
    public void writeChar(int v) {
      writeShort(v);
    }
  
    @Override
    public void writeInt(int v) {
      try {
        s.write(v & 0xff);
        s.write((v >> 8) & 0xff);
        s.write((v >> 16) & 0xff);
        s.write((v >> 24) & 0xff);
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    }
  
    @Override
    public void writeLong(long v) {
      byte[] bytes = Longs.toByteArray(Long.reverseBytes(v));
      write(bytes, 0, bytes.length);
    }
  
    @Override
    public void writeFloat(float v) {
      writeInt(Float.floatToIntBits(v));
    }
  
    @Override
    public void writeDouble(double v) {
      writeLong(Double.doubleToLongBits(v));
    }
  }