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Diffstat (limited to 'gfx/2d/BigEndianInts.h')
-rw-r--r-- | gfx/2d/BigEndianInts.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/gfx/2d/BigEndianInts.h b/gfx/2d/BigEndianInts.h new file mode 100644 index 0000000000..aa4f0dfb29 --- /dev/null +++ b/gfx/2d/BigEndianInts.h @@ -0,0 +1,80 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_BigEndianInts_h +#define mozilla_BigEndianInts_h + +#include "mozilla/EndianUtils.h" + +namespace mozilla { + +#pragma pack(push, 1) + +struct BigEndianUint16 +{ +#ifdef __SUNPRO_CC + BigEndianUint16& operator=(const uint16_t aValue) + { + value = NativeEndian::swapToBigEndian(aValue); + return *this; + } +#else + MOZ_IMPLICIT BigEndianUint16(const uint16_t aValue) + { + value = NativeEndian::swapToBigEndian(aValue); + } +#endif + + operator uint16_t() const + { + return NativeEndian::swapFromBigEndian(value); + } + + friend inline bool + operator==(const BigEndianUint16& lhs, const BigEndianUint16& rhs) + { + return lhs.value == rhs.value; + } + + friend inline bool + operator!=(const BigEndianUint16& lhs, const BigEndianUint16& rhs) + { + return !(lhs == rhs); + } + +private: + uint16_t value; +}; + +struct BigEndianUint32 +{ +#ifdef __SUNPRO_CC + BigEndianUint32& operator=(const uint32_t aValue) + { + value = NativeEndian::swapToBigEndian(aValue); + return *this; + } +#else + MOZ_IMPLICIT BigEndianUint32(const uint32_t aValue) + { + value = NativeEndian::swapToBigEndian(aValue); + } +#endif + + operator uint32_t() const + { + return NativeEndian::swapFromBigEndian(value); + } + +private: + uint32_t value; +}; + +#pragma pack(pop) + +} // mozilla + +#endif // mozilla_BigEndianInts_h |