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#include "boolFlagArray.h"
CboolFlagArray::CboolFlagArray(void)
{
this->bflag = NULL;
this->size = 0;
}
CboolFlagArray::~CboolFlagArray(void)
{
delete [] this->bflag;
}
//Watch out the size is counted as bits. so size should be No of bits/8+1
CboolFlagArray::CboolFlagArray(unsigned int size)
{
this->bflag = new unsigned char[size2sizeInByte(size)];
this->initialization(size);
}
bool CboolFlagArray::b(unsigned int index) const//return the flag
{
if (this->bflag != NULL && index < this->size) {
int bitID = index % 8; //Save
unsigned char c = this->bflag[index/8], d = 0x01;
d = d << bitID;
if (c & d)
return(true);
else
return(false);
} else
return(0);
}
// if there is a flag set within the widows
bool CboolFlagArray::b(unsigned int index, unsigned int windowLength) const
{
for (unsigned int i = index; i < index + windowLength; i++) {
if (this->b(i)) {
return(true);
}
}
return(false);
}
void CboolFlagArray::setflag(unsigned int index, bool flag)
{
if (this->bflag != NULL && index < this->size) {
int bitID = index % 8;
unsigned char d = (0x01 << bitID);
if (flag) {
this->bflag[index/8] |= d;
} else {
d ^= 0xff; //Complement
this->bflag[index/8] &= d;
}
} else
cout << "Wrongly set Flag" << endl;
}
unsigned int CboolFlagArray::initialization(unsigned int size)
{
this->size = size;
//Default Setting of flags are 0 -> false
memset(this->bflag, 0x00, sizeof(unsigned char)*(size2sizeInByte(this->size)));
return(size2sizeInByte(this->size));
}
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