61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
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/**
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* @file kBitArray.x.h
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*
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* @internal
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* Copyright (C) 2019-2021 by LMI Technologies Inc.
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* Licensed under the MIT License.
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* Redistributed files must retain the above copyright notice.
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*/
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#ifndef K_API_BIT_ARRAY_X_H
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#define K_API_BIT_ARRAY_X_H
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#define kBIT_ARRAY_WORD_WIDTH_SHIFT (6) //word width, expressed as bit shift
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#define kBIT_ARRAY_BITS_PER_WORD (1 << kBIT_ARRAY_WORD_WIDTH_SHIFT) //word width, expressed as bit count
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#define kBIT_ARRAY_BYTES_PER_WORD (kBIT_ARRAY_BITS_PER_WORD >> 3) //bytes per word
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#define kBIT_ARRAY_BIT_OFFSET_MASK (kBIT_ARRAY_BITS_PER_WORD - 1) //mask for bit offset within one word
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typedef struct kBitArrayClass
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{
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kObjectClass base;
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kSize allocSize; //size of allocated array memory, in bytes
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k64u* buffer; //array memory
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kSize bufferCount; //count of allocated buffer elements;
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kSize bitLength; //logical bit array length, in bits
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} kBitArrayClass;
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kDeclareClassEx(k, kBitArray, kObject)
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/*
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* Forward declarations.
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*/
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kInlineFx(kBool) kBitArray_At(kBitArray array, kSize index);
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/*
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* Private methods.
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*/
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kFx(kStatus) xkBitArray_ConstructFramework(kBitArray* array, kAlloc allocator);
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kInlineFx(kSize) xkBitArray_WordCount(kBitArray array)
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{
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kObj(kBitArray, array);
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return (obj->bitLength + kBIT_ARRAY_BITS_PER_WORD - 1) >> kBIT_ARRAY_WORD_WIDTH_SHIFT;
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}
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kFx(kStatus) xkBitArray_Init(kBitArray array, kType classType, kSize length, kAlloc alloc);
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kFx(kStatus) xkBitArray_VClone(kBitArray array, kBitArray source, kAlloc valueAlloc, kObject context);
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kFx(kStatus) xkBitArray_VRelease(kBitArray array);
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kFx(kSize) xkBitArray_VSize(kBitArray array);
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kFx(kBool) xkBitArray_VEquals(kBitArray array, kBitArray other);
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kFx(kStatus) xkBitArray_WriteDat6V0(kBitArray array, kSerializer serializer);
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kFx(kStatus) xkBitArray_ReadDat6V0(kBitArray array, kSerializer serializer);
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kFx(kStatus) xkBitArray_Reallocate(kBitArray array, kSize length, kBool preserveAndZero);
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#endif
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