1//===- EndianStream.h - Stream ops with endian specific data ----*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines utilities for operating on streams that have endian
11// specific data.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef _LLVM_SUPPORT_ENDIAN_STREAM_H_
16#define _LLVM_SUPPORT_ENDIAN_STREAM_H_
17
18#include <llvm/Support/Endian.h>
19#include <llvm/Support/raw_ostream.h>
20
21namespace llvm {
22namespace support {
23
24namespace endian {
25/// Adapter to write values to a stream in a particular byte order.
26template <endianness endian> struct Writer {
27  raw_ostream &OS;
28  Writer(raw_ostream &OS) : OS(OS) {}
29  template <typename value_type> void write(value_type Val) {
30    Val = byte_swap<value_type, endian>(Val);
31    OS.write((const char *)&Val, sizeof(value_type));
32  }
33};
34} // end namespace endian
35
36} // end namespace support
37} // end namespace llvm
38
39#endif // _LLVM_SUPPORT_ENDIAN_STREAM_H_
40