77 lines
2.0 KiB
C++
77 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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Field data layout:
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[4 bytes] length
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[length bytes] binary data
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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, (int)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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size_t pos = 0;
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CHECK_INT(len); //len-=4;
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uint32_t c = GET_INT(); pos += 4;
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if (c && c<=len)
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{
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Size = c;
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ndestring_release((wchar_t *)Data);
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Data = (uint8_t *)ndestring_malloc(c);
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GET_BINARY(Data, data, c, pos);
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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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if (Data && Size<=len)
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{
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c = (uint32_t)Size;
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PUT_INT(c); pos += 4;
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if (Data)
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PUT_BINARY(data, (unsigned char*)Data, c, 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) return 4;
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return Size + 4;
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} |