127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
/**********************************************************************
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* Copyright (C) 1998-2000, International Business Machines Corporation
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* and others. All Rights Reserved.
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**********************************************************************/
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#include "ucmpwrit.h"
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#include <stdio.h>
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/*
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UCMP8 format:
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offset size what
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---------------------------------------------
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0 4 ICU_UCMP8_VERSION
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4 4 count
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8 512*2 = 1024 fIndex [uint16's] (UCMP8_kIndexCount*2)
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1032 1*fCount fArray [int8_t's]
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+ padding (to extend fCount to the nearest multiple of 4)
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*/
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/* Sanity check. */
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#if (UCMP8_kIndexCount != 512)
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# error UCMP8_kIndexCount - changed size. Check to see if different pading needed.
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#endif
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U_CAPI uint32_t U_EXPORT2 udata_write_ucmp8 (UNewDataMemory *pData, const CompactByteArray* array)
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{
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int32_t size = 0;
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udata_write32(pData, ICU_UCMP8_VERSION);
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size += 4;
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udata_write32(pData, array->fCount);
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size += 4;
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udata_writeBlock(pData, array->fIndex, sizeof(array->fIndex[0])*UCMP8_kIndexCount);
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size += sizeof(array->fIndex[0])*UCMP8_kIndexCount;
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udata_writeBlock(pData, array->fArray, sizeof(array->fArray[0])*array->fCount);
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size += sizeof(array->fArray[0])*array->fCount;
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while(size%4) /* end padding */
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{
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udata_writePadding(pData, 1); /* Pad total so far to even size */
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size += 1;
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}
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return size;
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}
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/* internal constants*/
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#define UCMP16_kMaxUnicode_int 65535
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#define UCMP16_kUnicodeCount_int (UCMP16_kMaxUnicode_int + 1)
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#define UCMP16_kBlockShift_int 7
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#define UCMP16_kBlockCount_int (1 << UCMP16_kBlockShift_int)
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#define UCMP16_kBlockBytes_int (UCMP16_kBlockCount_int * sizeof(int16_t))
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#define UCMP16_kIndexShift_int (16 - UCMP16_kBlockShift_int)
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#define UCMP16_kIndexCount_int (1 << UCMP16_kIndexShift_int)
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#define UCMP16_kBlockMask_int (UCMP16_kBlockCount_int - 1)
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static const int32_t UCMP16_kMaxUnicode = UCMP16_kMaxUnicode_int;
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static const int32_t UCMP16_kUnicodeCount = UCMP16_kUnicodeCount_int;
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static const int32_t UCMP16_kBlockShift = UCMP16_kBlockShift_int;
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static const int32_t UCMP16_kBlockCount = UCMP16_kBlockCount_int;
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static const int32_t UCMP16_kBlockBytes = UCMP16_kBlockBytes_int;
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static const int32_t UCMP16_kIndexShift = UCMP16_kIndexShift_int;
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static const int32_t UCMP16_kIndexCount = UCMP16_kIndexCount_int;
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static const uint32_t UCMP16_kBlockMask = UCMP16_kBlockMask_int;
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/*
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UCMP16 format:
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offset size what
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---------------------------------------------
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0 4 ICU_UCMP16_VERSION
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4 4 count
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8 4 blockShift
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12 4 blockMask
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16 512*2 = 1024 fIndex [uint16's] (UCMP16_kIndexCount*2)
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1032 1*fCount fArray [int16's]
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+ padding (to extend fCount to the nearest multiple of 4)
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*/
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#if (UCMP16_kIndexCount_int != 512)
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# error UCMP16_kIndexCount - changed size. Check to see if different pading needed.
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#endif
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U_CAPI uint32_t U_EXPORT2 udata_write_ucmp16 (UNewDataMemory *pData, const CompactShortArray* array)
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{
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int32_t size = 0;
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udata_write32(pData, ICU_UCMP16_VERSION);
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size += 4;
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udata_write32(pData, array->fCount);
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size += 4;
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udata_write32(pData, array->kBlockShift);
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size += 4;
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udata_write32(pData, array->kBlockMask);
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size += 4;
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udata_writeBlock(pData, array->fIndex, sizeof(array->fIndex[0])*UCMP16_kIndexCount);
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size += sizeof(array->fIndex[0])*UCMP16_kIndexCount;
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udata_writeBlock(pData, array->fArray, sizeof(array->fArray[0])*array->fCount);
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size += sizeof(array->fArray[0])*array->fCount;
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while(size%4) /* end padding */
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{
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udata_writePadding(pData, 1); /* Pad total so far to even size */
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size += 1;
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}
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return size;
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}
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