Aegisub/aegisub/universalchardet/nsPkgInt.h

89 lines
3 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsPkgInt_h__
#define nsPkgInt_h__
#include "nscore.h"
typedef enum {
eIdxSft4bits = 3,
eIdxSft8bits = 2,
eIdxSft16bits = 1
} nsIdxSft;
typedef enum {
eSftMsk4bits = 7,
eSftMsk8bits = 3,
eSftMsk16bits = 1
} nsSftMsk;
typedef enum {
eBitSft4bits = 2,
eBitSft8bits = 3,
eBitSft16bits = 4
} nsBitSft;
typedef enum {
eUnitMsk4bits = 0x0000000FL,
eUnitMsk8bits = 0x000000FFL,
eUnitMsk16bits = 0x0000FFFFL
} nsUnitMsk;
typedef struct nsPkgInt {
nsIdxSft idxsft;
nsSftMsk sftmsk;
nsBitSft bitsft;
nsUnitMsk unitmsk;
const PRUint32* const data;
} nsPkgInt;
#define PCK16BITS(a,b) ((PRUint32)(((b) << 16) | (a)))
#define PCK8BITS(a,b,c,d) PCK16BITS( ((PRUint32)(((b) << 8) | (a))), \
((PRUint32)(((d) << 8) | (c))))
#define PCK4BITS(a,b,c,d,e,f,g,h) PCK8BITS( ((PRUint32)(((b) << 4) | (a))), \
((PRUint32)(((d) << 4) | (c))), \
((PRUint32)(((f) << 4) | (e))), \
((PRUint32)(((h) << 4) | (g))) )
#define GETFROMPCK(i, c) \
(((((c).data)[(i)>>(c).idxsft])>>(((i)&(c).sftmsk)<<(c).bitsft))&(c).unitmsk)
#endif /* nsPkgInt_h__ */