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JUCE/modules/juce_graphics/unicode/sheenbidi/Source/BidiChain.h

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2.4 KiB
C

/*
* Copyright (C) 2014-2025 Muhammad Tayyab Akram
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _SB_INTERNAL_BIDI_CHAIN_H
#define _SB_INTERNAL_BIDI_CHAIN_H
#include <juce_graphics/unicode/sheenbidi/Headers/SheenBidi/SBConfig.h>
#include "SBBase.h"
typedef SBUInt32 BidiLink;
#define BidiLinkNone (SBUInt32)(-1)
enum {
BidiFlagNone = 0x00,
BidiFlagSingle = 0x01
};
typedef SBUInt8 BidiFlag;
typedef struct _BidiChain {
SBBidiType *types;
SBLevel *levels;
BidiFlag *flags;
BidiLink *links;
BidiLink roller;
BidiLink last;
} BidiChain, *BidiChainRef;
SB_INTERNAL void BidiChainInitialize(BidiChainRef chain,
SBBidiType *types, SBLevel *levels, BidiFlag *flags, BidiLink *links);
SB_INTERNAL void BidiChainAdd(BidiChainRef chain, SBBidiType type, SBUInteger lastLinkLength);
#define BidiChainGetOffset(chain, link) \
( \
(link) - 1 \
)
SB_INTERNAL SBBoolean BidiChainIsSingle(BidiChainRef chain, BidiLink link);
SB_INTERNAL SBBidiType BidiChainGetType(BidiChainRef chain, BidiLink link);
SB_INTERNAL void BidiChainSetType(BidiChainRef chain, BidiLink link, SBBidiType type);
SB_INTERNAL SBLevel BidiChainGetLevel(BidiChainRef chain, BidiLink link);
SB_INTERNAL void BidiChainSetLevel(BidiChainRef chain, BidiLink link, SBLevel level);
SB_INTERNAL BidiLink BidiChainGetNext(BidiChainRef chain, BidiLink link);
SB_INTERNAL void BidiChainSetNext(BidiChainRef chain, BidiLink link, BidiLink next);
SB_INTERNAL void BidiChainAbandonNext(BidiChainRef chain, BidiLink link);
SB_INTERNAL void BidiChainAbsorbNext(BidiChainRef chain, BidiLink link);
SB_INTERNAL SBBoolean BidiChainMergeNext(BidiChainRef chain, BidiLink link);
#define BidiChainForEach(chain, roller, link) \
for (link = chain->links[roller]; link != roller; link = chain->links[link])
#endif