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