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