示例#1
0
bool convertValueToStringValue(const Value value, Value &stringValue)
{
    bool             could_convert;
	time_t	         rtvalue;
	abstime_t        atvalue;
    string           string_representation;
    ClassAdUnParser  unparser;

	switch(value.GetType()) {
		case Value::UNDEFINED_VALUE:
            stringValue.SetUndefinedValue();
			could_convert = false;
            break;

        case Value::ERROR_VALUE:
			stringValue.SetErrorValue();
			could_convert = false;
            break;

        case Value::STRING_VALUE:
            stringValue.CopyFrom(value);
            could_convert = true;
            break;

		case Value::CLASSAD_VALUE:
		case Value::LIST_VALUE:
		case Value::SLIST_VALUE:
		case Value::BOOLEAN_VALUE:
		case Value::INTEGER_VALUE:
		case Value::REAL_VALUE:
            unparser.Unparse(string_representation, value);
            stringValue.SetStringValue(string_representation);
            could_convert = true;
            break;

		case Value::ABSOLUTE_TIME_VALUE:
			value.IsAbsoluteTimeValue(atvalue);
            absTimeToString(atvalue, string_representation);
			stringValue.SetStringValue(string_representation);
			could_convert = true;
            break;

		case Value::RELATIVE_TIME_VALUE:
			value.IsRelativeTimeValue(rtvalue);
            relTimeToString(rtvalue, string_representation);
			stringValue.SetStringValue(string_representation);
			could_convert = true;
            break;

		default:
            could_convert = false; // Make gcc's -Wuninitalized happy
			CLASSAD_EXCEPT( "Should not reach here" );
            break;
    }
    return could_convert;
}
示例#2
0
void ClassAdJsonUnParser::
Unparse( string &buffer, const Value &val )
{
	char	tempBuf[512];
	switch( val.GetType( ) ) {
		case Value::NULL_VALUE: 
			buffer += "(null-value)";
			break;

		case Value::STRING_VALUE: {
			string	s;
			val.IsStringValue( s );
			buffer += '"';
			UnparseAuxEscapeString( buffer, s );
			buffer += '"';
			return;
		}
		case Value::INTEGER_VALUE: {
			long long	i;
			val.IsIntegerValue( i );
			sprintf( tempBuf, "%lld", i );
			buffer += tempBuf;
			return;
		}
		case Value::REAL_VALUE: {
			double real;
			val.IsRealValue(real);
            if (real == 0.0) {
                // It might be positive or negative and it's
                // hard to tell. printf is good at telling though.
                // We also want to print it with as few
                // digits as possible, which is why we don't use the 
                // case below.
                sprintf(tempBuf, "%.1f", real);
                buffer += tempBuf;
            } else if (classad_isnan(real)) {
				UnparseAuxQuoteExpr( buffer, "real(\"NaN\")" );
            } else if (classad_isinf(real) == -1){
				UnparseAuxQuoteExpr( buffer, "real(\"-INF\")" );
            } else if (classad_isinf(real) == 1) {
				UnparseAuxQuoteExpr( buffer, "real(\"INF\")" );
            } else {
				// Use the more user-friendly formatting of reals
				// that we use for old ClassAds format
                sprintf(tempBuf, "%.16G", real);
                // %G may print something that looks like an integer or exponent.
                // In that case, tack on a ".0"
                if (tempBuf[strcspn(tempBuf, ".Ee")] == '\0') {
                    strcat(tempBuf, ".0");
                }
                buffer += tempBuf;
            }
			return;
		}
		case Value::BOOLEAN_VALUE: {
			bool b;
			val.IsBooleanValue( b );
			buffer += b ? "true" : "false";
			return;
		}
		case Value::UNDEFINED_VALUE: {
			buffer += "null";
			return;
		}
		case Value::ERROR_VALUE: {
			UnparseAuxQuoteExpr( buffer, "error" );
			return;
		}
		case Value::ABSOLUTE_TIME_VALUE: {
			abstime_t	asecs;
			string s;
			val.IsAbsoluteTimeValue(asecs);

			s += "absTime(\"";
            absTimeToString(asecs, s);
            s += "\")";
			UnparseAuxQuoteExpr( buffer, s );
		
			return;
		}
		case Value::RELATIVE_TIME_VALUE: {
            double rsecs;
			string s;
            val.IsRelativeTimeValue(rsecs);

			s += "relTime(\"";
            relTimeToString(rsecs, s);
            s += "\")";
			UnparseAuxQuoteExpr( buffer, s );
	  
			return;
		}
		case Value::SCLASSAD_VALUE:
		case Value::CLASSAD_VALUE: {
			const ClassAd *ad = NULL;
			val.IsClassAdValue( ad );
			Unparse( buffer, ad );
			return;
		}
		case Value::SLIST_VALUE:
		case Value::LIST_VALUE: {
			const ExprList *el = NULL;
			val.IsListValue( el );
			Unparse( buffer, el );
			return;
		}
		default:
			break;
	}
}