/src/mozilla-central/gfx/2d/BigEndianInts.h
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1 | | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 | | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
3 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #ifndef mozilla_BigEndianInts_h |
8 | | #define mozilla_BigEndianInts_h |
9 | | |
10 | | #include "mozilla/EndianUtils.h" |
11 | | |
12 | | namespace mozilla { |
13 | | |
14 | | #pragma pack(push, 1) |
15 | | |
16 | | struct BigEndianUint16 |
17 | | { |
18 | | #ifdef __SUNPRO_CC |
19 | | BigEndianUint16& operator=(const uint16_t aValue) |
20 | | { |
21 | | value = NativeEndian::swapToBigEndian(aValue); |
22 | | return *this; |
23 | | } |
24 | | #else |
25 | | MOZ_IMPLICIT BigEndianUint16(const uint16_t aValue) |
26 | 39 | { |
27 | 39 | value = NativeEndian::swapToBigEndian(aValue); |
28 | 39 | } |
29 | | #endif |
30 | | |
31 | | operator uint16_t() const |
32 | 0 | { |
33 | 0 | return NativeEndian::swapFromBigEndian(value); |
34 | 0 | } |
35 | | |
36 | | friend inline bool |
37 | | operator==(const BigEndianUint16& lhs, const BigEndianUint16& rhs) |
38 | 0 | { |
39 | 0 | return lhs.value == rhs.value; |
40 | 0 | } |
41 | | |
42 | | friend inline bool |
43 | | operator!=(const BigEndianUint16& lhs, const BigEndianUint16& rhs) |
44 | 0 | { |
45 | 0 | return !(lhs == rhs); |
46 | 0 | } |
47 | | |
48 | | private: |
49 | | uint16_t value; |
50 | | }; |
51 | | |
52 | | struct BigEndianUint32 |
53 | | { |
54 | | #ifdef __SUNPRO_CC |
55 | | BigEndianUint32& operator=(const uint32_t aValue) |
56 | | { |
57 | | value = NativeEndian::swapToBigEndian(aValue); |
58 | | return *this; |
59 | | } |
60 | | #else |
61 | | MOZ_IMPLICIT BigEndianUint32(const uint32_t aValue) |
62 | 0 | { |
63 | 0 | value = NativeEndian::swapToBigEndian(aValue); |
64 | 0 | } |
65 | | #endif |
66 | | |
67 | | operator uint32_t() const |
68 | 0 | { |
69 | 0 | return NativeEndian::swapFromBigEndian(value); |
70 | 0 | } |
71 | | |
72 | | private: |
73 | | uint32_t value; |
74 | | }; |
75 | | |
76 | | #pragma pack(pop) |
77 | | |
78 | | } // mozilla |
79 | | |
80 | | #endif // mozilla_BigEndianInts_h |