void CObjectIStreamJson::ReadBitString(CBitString& obj)
{
#if BITSTRING_AS_VECTOR
ThrowError(fNotImplemented, "Not Implemented");
#else
if (TopFrame().HasMemberId() && TopFrame().GetMemberId().IsCompressed()) {
ThrowError(fNotImplemented, "Not Implemented");
return;
}
Expect('\"');
obj.clear();
obj.resize(0);
CBitString::size_type len = 0;
for ( ;; ++len) {
char c = GetChar();
if (c == '1') {
obj.resize(len+1);
obj.set_bit(len);
} else if (c != '0') {
if ( c != 'B' ) {
ThrowError(fFormatError, "invalid char in bit string");
}
break;
}
}
obj.resize(len);
Expect('\"');
#endif
}
void CObjectOStreamAsn::WriteBitString(const CBitString& obj)
{
static const char ToHex[] = "0123456789ABCDEF";
bool hex = obj.size()%8 == 0;
m_Output.PutChar('\'');
#if BITSTRING_AS_VECTOR
// CBitString is vector<bool>
if (hex) {
Uint1 data, mask;
for ( CBitString::const_iterator i = obj.begin(); i != obj.end(); ) {
for (data=0, mask=0x8; mask!=0; mask >>= 1, ++i) {
if (*i) {
data |= mask;
}
}
m_Output.WrapAt(78, false);
m_Output.PutChar(ToHex[data]);
}
} else {
void CObjectIStreamAsn::ReadBitString(CBitString& obj)
{
obj.clear();
#if BITSTRING_AS_VECTOR
// CBitString is vector<bool>
Expect('\'', true);
string data;
size_t reserve;
const size_t step=128;
data.reserve(reserve=step);
bool hex=false;
int c;
for ( ; !hex; hex= c > 0x1) {
c = GetHexChar();
if (c < 0) {
break;
}
data.append(1, char(c));
if (--reserve == 0) {
data.reserve(data.size() + (reserve=step));
}
}
if (c<0 && !hex) {
hex = m_Input.PeekChar() == 'H';
}
if (hex) {
obj.reserve( data.size() * 4 );
Uint1 byte;
ITERATE( string, i, data) {
byte = *i;
for (Uint1 mask= 0x8; mask != 0; mask >>= 1) {
obj.push_back( (byte & mask) != 0 );
}
}
if (c > 0) {
obj.reserve(obj.size() + (reserve=step));
for (c= GetHexChar(); c >= 0; c= GetHexChar()) {
byte = c;
for (Uint1 mask= 0x8; mask != 0; mask >>= 1) {
obj.push_back( (byte & mask) != 0 );
if (--reserve == 0) {
obj.reserve(obj.size() + (reserve=step));
}
}
}
}
