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65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
//===- EndianStream.h - Stream ops with endian specific data ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines utilities for operating on streams that have endian
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// specific data.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_ENDIANSTREAM_H
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#define LLVM_SUPPORT_ENDIANSTREAM_H
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#include "llvm/Support/Endian.h"
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#include "llvm/Support/raw_ostream.h"
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namespace llvm {
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namespace support {
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namespace endian {
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/// Adapter to write values to a stream in a particular byte order.
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template <endianness endian> struct Writer {
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raw_ostream &OS;
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Writer(raw_ostream &OS) : OS(OS) {}
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template <typename value_type> void write(value_type Val) {
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Val = byte_swap<value_type, endian>(Val);
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OS.write((const char *)&Val, sizeof(value_type));
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}
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};
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template <>
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template <>
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inline void Writer<little>::write<float>(float Val) {
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write(FloatToBits(Val));
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}
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template <>
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template <>
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inline void Writer<little>::write<double>(double Val) {
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write(DoubleToBits(Val));
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}
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template <>
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template <>
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inline void Writer<big>::write<float>(float Val) {
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write(FloatToBits(Val));
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}
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template <>
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template <>
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inline void Writer<big>::write<double>(double Val) {
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write(DoubleToBits(Val));
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}
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} // end namespace endian
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} // end namespace support
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} // end namespace llvm
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#endif
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