зеркало из https://github.com/mozilla/gecko-dev.git
238 строки
8.5 KiB
C
238 строки
8.5 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "intlpriv.h"
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#include "unicpriv.h"
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typedef uint16 (* MapFormatFunc)(uint16 in,uTable *uT,uMapCell *cell);
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typedef XP_Bool (* HitFormateFunc)(uint16 in,uMapCell *cell);
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typedef void (* IterateFormatFunc)(uTable *uT, uMapCell *cell,uMapIterateFunc callback, uint16 context);
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PRIVATE XP_Bool uHitFormate0(uint16 in,uMapCell *cell);
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PRIVATE XP_Bool uHitFormate1(uint16 in,uMapCell *cell);
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PRIVATE XP_Bool uHitFormate2(uint16 in,uMapCell *cell);
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PRIVATE uint16 uMapFormate0(uint16 in,uTable *uT,uMapCell *cell);
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PRIVATE uint16 uMapFormate1(uint16 in,uTable *uT,uMapCell *cell);
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PRIVATE uint16 uMapFormate2(uint16 in,uTable *uT,uMapCell *cell);
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PRIVATE void uIterateFormate0(uTable *uT, uMapCell *cell,uMapIterateFunc callback, uint16 context);
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PRIVATE void uIterateFormate1(uTable *uT, uMapCell *cell,uMapIterateFunc callback, uint16 context);
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PRIVATE void uIterateFormate2(uTable *uT, uMapCell *cell,uMapIterateFunc callback, uint16 context);
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PRIVATE uMapCell *uGetMapCell(uTable *uT, int16 item);
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PRIVATE char uGetFormat(uTable *uT, int16 item);
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/*=================================================================================
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=================================================================================*/
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PRIVATE MapFormatFunc m_map[uNumFormatTag] =
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{
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uMapFormate0,
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uMapFormate1,
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uMapFormate2,
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};
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/*=================================================================================
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=================================================================================*/
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PRIVATE IterateFormatFunc m_iterate[uNumFormatTag] =
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{
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uIterateFormate0,
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uIterateFormate1,
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uIterateFormate2,
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};
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/*=================================================================================
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=================================================================================*/
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PRIVATE HitFormateFunc m_hit[uNumFormatTag] =
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{
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uHitFormate0,
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uHitFormate1,
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uHitFormate2,
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};
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/*
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Need more work
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*/
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/*=================================================================================
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=================================================================================*/
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PRIVATE XP_Bool uHit(unsigned char format, uint16 in,uMapCell *cell)
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{
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return (* m_hit[format])((in),(cell));
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}
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/*=================================================================================
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=================================================================================*/
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PRIVATE void uCellIterate(unsigned char format, uTable *uT, uMapCell *cell,uMapIterateFunc callback, uint16 context)
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{
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(* m_iterate[format])((uT),(cell),(callback),(context));
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}
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/*
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Switch to Macro later for performance
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#define uHit(format,in,cell) (* m_hit[format])((in),(cell))
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*/
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/*=================================================================================
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=================================================================================*/
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PRIVATE uint16 uMap(unsigned char format, uint16 in,uTable *uT,uMapCell *cell)
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{
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return (* m_map[format])((in),(uT),(cell));
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}
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/*
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Switch to Macro later for performance
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#define uMap(format,in,cell) (* m_map[format])((in),(cell))
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*/
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/*=================================================================================
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=================================================================================*/
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/*
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Switch to Macro later for performance
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*/
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PRIVATE uMapCell *uGetMapCell(uTable *uT, int16 item)
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{
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return ((uMapCell *)(((uint16 *)uT) + uT->offsetToMapCellArray) + item) ;
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}
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/*=================================================================================
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=================================================================================*/
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/*
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Switch to Macro later for performance
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*/
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PRIVATE char uGetFormat(uTable *uT, int16 item)
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{
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return (((((uint16 *)uT) + uT->offsetToFormatArray)[ item >> 2 ]
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>> (( item % 4 ) << 2)) & 0x0f);
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}
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/*=================================================================================
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=================================================================================*/
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MODULE_PRIVATE XP_Bool uMapCode(uTable *uT, uint16 in, uint16* out)
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{
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XP_Bool done = FALSE;
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uint16 itemOfList = uT->itemOfList;
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uint16 i;
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*out = NOMAPPING;
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for(i=0;i<itemOfList;i++)
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{
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uMapCell* uCell;
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char format = uGetFormat(uT,i);
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uCell = uGetMapCell(uT,i);
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if(uHit(format, in, uCell))
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{
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*out = uMap(format, in, uT,uCell);
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done = TRUE;
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break;
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}
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}
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return ( done && (*out != NOMAPPING));
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}
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/*=================================================================================
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=================================================================================*/
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MODULE_PRIVATE void uMapIterate(uTable *uT, uMapIterateFunc callback, uint16 context)
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{
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uint16 itemOfList = uT->itemOfList;
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uint16 i;
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for(i=0;i<itemOfList;i++)
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{
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uMapCell* uCell;
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char format = uGetFormat(uT,i);
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uCell = uGetMapCell(uT,i);
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uCellIterate(format, uT ,uCell,callback, context);
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}
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}
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/*
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member function
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*/
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/*=================================================================================
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=================================================================================*/
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PRIVATE XP_Bool uHitFormate0(uint16 in,uMapCell *cell)
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{
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return ( (in >= cell->fmt.format0.srcBegin) &&
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(in <= cell->fmt.format0.srcEnd) ) ;
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}
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/*=================================================================================
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=================================================================================*/
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PRIVATE XP_Bool uHitFormate1(uint16 in,uMapCell *cell)
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{
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return uHitFormate0(in,cell);
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}
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/*=================================================================================
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=================================================================================*/
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PRIVATE XP_Bool uHitFormate2(uint16 in,uMapCell *cell)
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{
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return (in == cell->fmt.format2.srcBegin);
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}
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/*=================================================================================
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=================================================================================*/
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PRIVATE uint16 uMapFormate0(uint16 in,uTable *uT,uMapCell *cell)
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{
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return ((in - cell->fmt.format0.srcBegin) + cell->fmt.format0.destBegin);
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}
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/*=================================================================================
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=================================================================================*/
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PRIVATE uint16 uMapFormate1(uint16 in,uTable *uT,uMapCell *cell)
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{
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return (*(((uint16 *)uT) + uT->offsetToMappingTable
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+ cell->fmt.format1.mappingOffset + in - cell->fmt.format1.srcBegin));
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}
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/*=================================================================================
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=================================================================================*/
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PRIVATE uint16 uMapFormate2(uint16 in,uTable *uT,uMapCell *cell)
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{
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return (cell->fmt.format2.destBegin);
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}
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/*=================================================================================
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=================================================================================*/
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PRIVATE void uIterateFormate0(uTable *uT, uMapCell *cell,uMapIterateFunc callback, uint16 context)
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{
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uint16 ucs2;
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uint16 med;
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for(ucs2 = cell->fmt.format0.srcBegin, med = cell->fmt.format0.destBegin;
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ucs2 <= cell->fmt.format0.srcEnd ; ucs2++,med++)
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(*callback)(ucs2, med, context);
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}
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/*=================================================================================
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=================================================================================*/
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PRIVATE void uIterateFormate1(uTable *uT, uMapCell *cell,uMapIterateFunc callback, uint16 context)
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{
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uint16 ucs2;
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uint16 *medpt;
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medpt = (((uint16 *)uT) + uT->offsetToMappingTable + cell->fmt.format1.mappingOffset);
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for(ucs2 = cell->fmt.format1.srcBegin; ucs2 <= cell->fmt.format1.srcEnd ; ucs2++, medpt++)
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(*callback)(ucs2, *medpt, context);
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}
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/*=================================================================================
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=================================================================================*/
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PRIVATE void uIterateFormate2(uTable *uT, uMapCell *cell,uMapIterateFunc callback, uint16 context)
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{
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(*callback)(cell->fmt.format2.srcBegin, cell->fmt.format2.destBegin, context);
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}
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