D:/work/code_by/IOStream/PipedInputStream.cpp

查看本檔案說明文件.

#include "PipedInputStream.h"

TPipedInputStream::TPipedInputStream(TByteArrayOutputStream *Stream)
{
  BAOStream = Stream;
  position = 0;
}

TPipedInputStream::~TPipedInputStream()
{
}

int TPipedInputStream::Available(void)
{
  return BAOStream->Size() - position;
}

void TPipedInputStream::Close(void)
{
  BAOStream->Close();
  position = 0;
}

int TPipedInputStream::Position(void)
{
  return position;
}

int TPipedInputStream::Read(void)
{
  int result;

  if (BAOStream->Size() > position)
  {
    result = 0;
    BAOStream->ToByteArray(&result, position, 1);
    ++position;
    return result;
  }
  return -1;
}

void TPipedInputStream::Reset(void)
{
  position = 0;
}

int TPipedInputStream::Skip(int size)
{
  if (size < 0)
    return 0;

  if (position + size > BAOStream->Size())
    size = BAOStream->Size() - position;
  position += size;
  return size;
}

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