The Tor Browser / file comparison
comparison: content/base/src/nsTextFragmentImpl.h
content/base/src/nsTextFragmentImpl.h
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
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| -1:000000000000 | 0:cd77d94cb8f6 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsTextFragmentImpl_h__ | |
| 7 #define nsTextFragmentImpl_h__ | |
| 8 | |
| 9 #include <stdint.h> | |
| 10 | |
| 11 template<size_t size> struct Non8BitParameters; | |
| 12 template<> struct Non8BitParameters<4> { | |
| 13 static inline size_t mask() { return 0xff00ff00; } | |
| 14 static inline uint32_t alignMask() { return 0x3; } | |
| 15 static inline uint32_t numUnicharsPerWord() { return 2; } | |
| 16 }; | |
| 17 | |
| 18 template<> struct Non8BitParameters<8> { | |
| 19 static inline size_t mask() { | |
| 20 static const uint64_t maskAsUint64 = 0xff00ff00ff00ff00ULL; | |
| 21 // We have to explicitly cast this 64-bit value to a size_t, or else | |
| 22 // compilers for 32-bit platforms will warn about it being too large to fit | |
| 23 // in the size_t return type. (Fortunately, this code isn't actually | |
| 24 // invoked on 32-bit platforms -- they'll use the <4> specialization above. | |
| 25 // So it is, in fact, OK that this value is too large for a 32-bit size_t.) | |
| 26 return (size_t)maskAsUint64; | |
| 27 } | |
| 28 static inline uint32_t alignMask() { return 0x7; } | |
| 29 static inline uint32_t numUnicharsPerWord() { return 4; } | |
| 30 }; | |
| 31 | |
| 32 #endif |
