C++ (Cpp) AsnBufBits::GetBits 예제들

예제 #1

void AsnBits::DecodeGeneral(AsnBufBits &b, AsnLen &bitsDecoded)
{
	unsigned char* seg;
	unsigned long templen = 0;
	long offset = 0;
	
	clear();

	bitsDecoded += b.OctetAlignRead();
	
	seg = (unsigned char*)b.GetBits(8);
	bitsDecoded += 8;

	while((seg[0] & 0xC0) == 0xC0)
	{
		seg[0] &= 0x3F;
		templen = (unsigned long)seg[0];
		templen *= l_16k;
	
		b.OctetAlignRead();
		
		Allocate(templen);

        delete [] seg;
        seg = b.GetBits(templen);
		memcpy(&bits[offset / 8], seg, ((templen + 7) / 8));
		bitsDecoded += templen;

		bitsDecoded += b.OctetAlignRead();

		offset += templen;
        delete [] seg;
		seg = (unsigned char*)b.GetBits(8);
		bitsDecoded += 8;
	}
	
	if((seg[0] & 0xC0) == 0x80)
	{
		seg[0] &= 0x3F;
		templen = (unsigned long)seg[0];
		templen <<= 8;
        delete [] seg;
		seg = (unsigned char*)b.GetBits(8);
        bitsDecoded += 8;
		templen |= (unsigned long)seg[0];
		
		bitsDecoded += b.OctetAlignRead();

		Allocate(templen);

        delete [] seg;
        seg = b.GetBits(templen);
		memcpy(&bits[offset / 8], seg, ((templen + 7) / 8));
        bitsDecoded += templen;

		offset += templen;
	}
	else if((seg[0] & 0x80) == 0x00)
	{
		seg[0] &= 0x7F;
		templen = (unsigned long)seg[0];
		
		bitsDecoded += b.OctetAlignRead();

		Allocate(templen);
		
        delete [] seg;
        seg = b.GetBits(templen);
		memcpy(&bits[offset / 8], seg, ((templen + 7) / 8));
		bitsDecoded += templen;

		offset += templen;
	}

    delete [] seg;
}

예제 #2

파일: asn-PERGeneral.cpp 프로젝트: neeraj9/esnacc-ng

void PERGeneral::DecodeGeneral(AsnBufBits &b, AsnLen &bitsDecoded)
{
	unsigned char* seg;
	unsigned long templen = 0;
	long offset = 0;
	
	Clear();

	bitsDecoded += b.OctetAlignRead();
	
	seg = (unsigned char*)b.GetBits(8);
    bitsDecoded += 8;
	
	while((seg[0] & 0xC0) == 0xC0)
	{
		seg[0] &= 0x3F;
		templen = (unsigned long)seg[0];
		templen *= l_16k;
		Allocate(templen);

		bitsDecoded += b.OctetAlignRead();

		
		while(templen)
		{
			Deterpret(b, bitsDecoded, offset);
			offset++;
			templen--;
		}
		

		bitsDecoded += b.OctetAlignRead();

        free(seg);
		seg = (unsigned char*)b.GetBits(8);
		bitsDecoded += 8;
	}
	
	
	if((seg[0] & 0xC0) == 0x80)
	{
		seg[0] &= 0x3F;
		templen = (unsigned long)seg[0];
		templen <<= 8;
        free(seg);
		seg = (unsigned char*)b.GetBits(8);
        bitsDecoded += 8;
		templen |= (unsigned long)seg[0];
		Allocate(templen);

		bitsDecoded += b.OctetAlignRead();

	
		while(templen)
		{
			Deterpret(b, bitsDecoded, offset);
			offset++;
			templen--;
		}
		
	}
	else if((seg[0] & 0x80) == 0x00)
	{
		seg[0] &= 0x7F;
		templen = (unsigned long)seg[0];
		Allocate(templen);

		bitsDecoded += b.OctetAlignRead();

	
		while(templen)
		{
			Deterpret(b, bitsDecoded, offset);
			offset++;
			templen--;
		}
					
	}

    free(seg);
}