79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
/* ---------------------------------------------------------------------------
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Nullsoft Database Engine
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--------------------
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codename: Near Death Experience
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--------------------------------------------------------------------------- */
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/* ---------------------------------------------------------------------------
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Binary32Field Class
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--------------------------------------------------------------------------- */
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#include "nde.h"
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#include "Binary32Field.h"
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#include "ndestring.h"
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//---------------------------------------------------------------------------
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Binary32Field::Binary32Field(const uint8_t *_Data, size_t len) : BinaryField(_Data, len)
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{
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InitField();
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}
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//---------------------------------------------------------------------------
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void Binary32Field::InitField(void)
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{
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Type = FIELD_BINARY32;
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}
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//---------------------------------------------------------------------------
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Binary32Field::Binary32Field()
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{
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InitField();
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}
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//---------------------------------------------------------------------------
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void Binary32Field::ReadTypedData(const uint8_t *data, size_t len)
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{
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uint32_t c;
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size_t pos = 0;
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CHECK_INT(len); //len-=4;
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c = GET_INT(); pos += 4;
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if (c && c<=len)
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{
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size_t size = c;
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uint8_t *buf = (uint8_t *)malloc(size);
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GET_BINARY(buf, data, c, pos);
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Data = CFDataCreateWithBytesNoCopy(NULL, buf, size, kCFAllocatorMalloc);
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}
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}
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//---------------------------------------------------------------------------
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void Binary32Field::WriteTypedData(uint8_t *data, size_t len)
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{
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uint32_t c;
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size_t pos = 0;
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CHECK_INT(len); //len-=4;
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size_t Size = CFDataGetLength(Data);
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if (Data && Size<=len)
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{
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c = CFDataGetLength(Data);
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PUT_INT(c); pos += 4;
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CFDataGetBytes(Data, CFRangeMake(0, Size), data+pos);
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}
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else
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{
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PUT_INT(0);
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}
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}
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//---------------------------------------------------------------------------
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size_t Binary32Field::GetDataSize(void)
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{
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if (!Data)
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return 4;
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return CFDataGetLength(Data) + 4;
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}
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