The Tor Browser / file comparison
comparison: extensions/universalchardet/src/base/nsPkgInt.h
extensions/universalchardet/src/base/nsPkgInt.h
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- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:f1fa74fbff4d |
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| 1 /* -*- Mode: C; tab-width: 4; 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 nsPkgInt_h__ | |
| 7 #define nsPkgInt_h__ | |
| 8 #include "nscore.h" | |
| 9 | |
| 10 typedef enum { | |
| 11 eIdxSft4bits = 3, | |
| 12 eIdxSft8bits = 2, | |
| 13 eIdxSft16bits = 1 | |
| 14 } nsIdxSft; | |
| 15 | |
| 16 typedef enum { | |
| 17 eSftMsk4bits = 7, | |
| 18 eSftMsk8bits = 3, | |
| 19 eSftMsk16bits = 1 | |
| 20 } nsSftMsk; | |
| 21 | |
| 22 typedef enum { | |
| 23 eBitSft4bits = 2, | |
| 24 eBitSft8bits = 3, | |
| 25 eBitSft16bits = 4 | |
| 26 } nsBitSft; | |
| 27 | |
| 28 typedef enum { | |
| 29 eUnitMsk4bits = 0x0000000FL, | |
| 30 eUnitMsk8bits = 0x000000FFL, | |
| 31 eUnitMsk16bits = 0x0000FFFFL | |
| 32 } nsUnitMsk; | |
| 33 | |
| 34 typedef struct nsPkgInt { | |
| 35 nsIdxSft idxsft; | |
| 36 nsSftMsk sftmsk; | |
| 37 nsBitSft bitsft; | |
| 38 nsUnitMsk unitmsk; | |
| 39 const uint32_t* const data; | |
| 40 } nsPkgInt; | |
| 41 | |
| 42 | |
| 43 #define PCK16BITS(a,b) ((uint32_t)(((b) << 16) | (a))) | |
| 44 | |
| 45 #define PCK8BITS(a,b,c,d) PCK16BITS( ((uint32_t)(((b) << 8) | (a))), \ | |
| 46 ((uint32_t)(((d) << 8) | (c)))) | |
| 47 | |
| 48 #define PCK4BITS(a,b,c,d,e,f,g,h) PCK8BITS( ((uint32_t)(((b) << 4) | (a))), \ | |
| 49 ((uint32_t)(((d) << 4) | (c))), \ | |
| 50 ((uint32_t)(((f) << 4) | (e))), \ | |
| 51 ((uint32_t)(((h) << 4) | (g))) ) | |
| 52 | |
| 53 #define GETFROMPCK(i, c) \ | |
| 54 (((((c).data)[(i)>>(c).idxsft])>>(((i)&(c).sftmsk)<<(c).bitsft))&(c).unitmsk) | |
| 55 | |
| 56 #endif /* nsPkgInt_h__ */ | |
| 57 |
