1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/extensions/universalchardet/src/base/nsPkgInt.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,57 @@
1.4 +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsPkgInt_h__
1.10 +#define nsPkgInt_h__
1.11 +#include "nscore.h"
1.12 +
1.13 +typedef enum {
1.14 + eIdxSft4bits = 3,
1.15 + eIdxSft8bits = 2,
1.16 + eIdxSft16bits = 1
1.17 +} nsIdxSft;
1.18 +
1.19 +typedef enum {
1.20 + eSftMsk4bits = 7,
1.21 + eSftMsk8bits = 3,
1.22 + eSftMsk16bits = 1
1.23 +} nsSftMsk;
1.24 +
1.25 +typedef enum {
1.26 + eBitSft4bits = 2,
1.27 + eBitSft8bits = 3,
1.28 + eBitSft16bits = 4
1.29 +} nsBitSft;
1.30 +
1.31 +typedef enum {
1.32 + eUnitMsk4bits = 0x0000000FL,
1.33 + eUnitMsk8bits = 0x000000FFL,
1.34 + eUnitMsk16bits = 0x0000FFFFL
1.35 +} nsUnitMsk;
1.36 +
1.37 +typedef struct nsPkgInt {
1.38 + nsIdxSft idxsft;
1.39 + nsSftMsk sftmsk;
1.40 + nsBitSft bitsft;
1.41 + nsUnitMsk unitmsk;
1.42 + const uint32_t* const data;
1.43 +} nsPkgInt;
1.44 +
1.45 +
1.46 +#define PCK16BITS(a,b) ((uint32_t)(((b) << 16) | (a)))
1.47 +
1.48 +#define PCK8BITS(a,b,c,d) PCK16BITS( ((uint32_t)(((b) << 8) | (a))), \
1.49 + ((uint32_t)(((d) << 8) | (c))))
1.50 +
1.51 +#define PCK4BITS(a,b,c,d,e,f,g,h) PCK8BITS( ((uint32_t)(((b) << 4) | (a))), \
1.52 + ((uint32_t)(((d) << 4) | (c))), \
1.53 + ((uint32_t)(((f) << 4) | (e))), \
1.54 + ((uint32_t)(((h) << 4) | (g))) )
1.55 +
1.56 +#define GETFROMPCK(i, c) \
1.57 + (((((c).data)[(i)>>(c).idxsft])>>(((i)&(c).sftmsk)<<(c).bitsft))&(c).unitmsk)
1.58 +
1.59 +#endif /* nsPkgInt_h__ */
1.60 +
