winamp/Src/nde/Int64Field.cpp

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2024-09-24 12:54:57 +00:00
/* ---------------------------------------------------------------------------
Nullsoft Database Engine
--------------------
codename: Near Death Experience
--------------------------------------------------------------------------- */
/* ---------------------------------------------------------------------------
Int64Field Class
Field data layout:
[8 bytes] value
--------------------------------------------------------------------------- */
#include "nde.h"
#include "Int64Field.h"
#include <time.h>
//---------------------------------------------------------------------------
Int64Field::Int64Field(int64_t Val)
{
InitField();
Type = FIELD_INT64;
Value = Val;
}
//---------------------------------------------------------------------------
void Int64Field::InitField(void)
{
Type = FIELD_INT64;
Value = 0;
}
//---------------------------------------------------------------------------
Int64Field::Int64Field()
{
InitField();
}
//---------------------------------------------------------------------------
Int64Field::~Int64Field()
{
}
//---------------------------------------------------------------------------
void Int64Field::ReadTypedData(const uint8_t *data, size_t len)
{
CHECK_INT64(len);
Value = *((int64_t *)data);
}
//---------------------------------------------------------------------------
void Int64Field::WriteTypedData(uint8_t *data, size_t len)
{
CHECK_INT64(len);
*((int64_t *)data) = Value;
}
//---------------------------------------------------------------------------
int64_t Int64Field::GetValue(void)
{
return Value;
}
//---------------------------------------------------------------------------
void Int64Field::SetValue(int64_t Val)
{
Value = Val;
}
//---------------------------------------------------------------------------
size_t Int64Field::GetDataSize(void)
{
return sizeof(int64_t);
}
//---------------------------------------------------------------------------
int Int64Field::Compare(Field *Entry)
{
if (!Entry) return -1;
return GetValue() < ((Int64Field*)Entry)->GetValue() ? -1 : (GetValue() > ((Int64Field*)Entry)->GetValue() ? 1 : 0);
}
//---------------------------------------------------------------------------
bool Int64Field::ApplyFilter(Field *Data, int op)
{
bool r;
switch (op)
{
case FILTER_EQUALS:
r = Value == ((Int64Field *)Data)->GetValue();
break;
case FILTER_NOTEQUALS:
r = Value != ((Int64Field *)Data)->GetValue();
break;
case FILTER_NOTCONTAINS:
r = (bool)!(Value & ((Int64Field *)Data)->GetValue());
break;
case FILTER_CONTAINS:
r = !!(Value & ((Int64Field *)Data)->GetValue());
break;
case FILTER_ABOVE:
r = (bool)(Value > ((Int64Field *)Data)->GetValue());
break;
case FILTER_BELOW:
r = (bool)(Value < ((Int64Field *)Data)->GetValue());
break;
case FILTER_BELOWOREQUAL:
r = (bool)(Value <= ((Int64Field *)Data)->GetValue());
break;
case FILTER_ABOVEOREQUAL:
r = (bool)(Value >= ((Int64Field *)Data)->GetValue());
break;
case FILTER_ISEMPTY:
r = (Value == 0 || Value == -1);
break;
case FILTER_ISNOTEMPTY:
r = !(Value == 0 || Value == -1);
break;
default:
r = true;
break;
}
return r;
}