winamp/Src/nde/osx/Binary32Field.cpp
2024-09-24 14:54:57 +02:00

79 lines
2.0 KiB
C++

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