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

查看本檔案說明文件.

#include "ByteArrayInputStream.h"

TByteArrayInputStream::TByteArrayInputStream(void *src, int size)
{
  data = pointer = (unsigned char *)src;
  total = available = size;
}

TByteArrayInputStream::~TByteArrayInputStream()
{
}

int TByteArrayInputStream::Available(void)
{
  return available;
}

int TByteArrayInputStream::Position(void)
{
  return total - available;
}

int TByteArrayInputStream::Read(void)
{
  if (available == 0)
    return -1;
  else
  {
    --available;
    return *(pointer++);
  }
}

void TByteArrayInputStream::Reset(void)
{
  pointer = data;
  available = total;
}

int TByteArrayInputStream::Skip(int size)
{
  if (size > available)
    size = available;
  pointer += size;
  available -= size;
  return size;
}

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