stringutils.cpp

来自「这是VCF框架的代码」· C++ 代码 · 共 2,672 行 · 第 1/5 页

		#endif
	#endif
	return result;
}

VCF::ulong64 StringUtils::fromStringAsULong64( const VCF::String& value )
{
	ulong64 result = 0;
	#ifdef VCF_OSX
		CFTextString tmp;
		tmp = value;
		result = CFStringGetIntValue( tmp );
		if ( 0 == (int)result ) {
			//check_true_error( tmp );
		} else if ( (INT_MIN == (int)result) || (INT_MAX == (int)result) ) {
			throw BasicException( L"StringUtils::fromStringAsULong64() Overflow - Unable to convert: " + value );
		}
	#else
		#ifdef VCF_MSC
			#if ( _MSC_VER >= 1300 )
				result = _wcstoui64( value.c_str(), NULL, 10 );
			#else
				/* we risk overflow, but that's the best we can do 
				if reported problems we need to use swscanf */
				result = _wtoi64( value.c_str() );
			#endif
			if ( (ulong64)0 == result && ( value[0] != '0' ) &&
					( -1 != swscanf( value.c_str(), L"%I64u", &result ) ) ) {
				throw BasicException( L"StringUtils::fromStringAsULong64() Unable to convert: " + value );
			}
		#else
			int ret = swscanf( value.c_str(), L"%I64u", &result );
			if ( ret != 1 ) {
				throw BasicException( L"StringUtils::fromStringAsULong64() Unable to convert: " + value );
			}
		#endif
	#endif
	return result;
}

float StringUtils::fromStringAsFloat( const VCF::String& value )
{
	float result = 0;
	#ifdef VCF_OSX
		CFTextString tmp;
		tmp = value;
		result = (float)CFStringGetDoubleValue( tmp );
		if ( 0.0 == result ) {
			//check_true_error( tmp );
		}
	#else
		#if ( defined VCF_MSC ) && ( _MSC_VER >= 1300 )
			result = _wtof( value.c_str() );
			if ( 0 == result && ( value[0] != '0' && value[0] != '.' ) &&
					( -1 != swscanf( value.c_str(), W_STR_FLOAT_CONVERSION, &result ) ) ) {
				throw BasicException( L"StringUtils::fromStringAsFloat() Unable to convert: " + value );
			}
		#else
			int ret = swscanf( value.c_str(), W_STR_FLOAT_CONVERSION, &result );
			if ( ret != 1 ) {
				throw BasicException( L"StringUtils::fromStringAsFloat() Unable to convert: " + value );
			}
		#endif
	#endif
	return result;
}

double StringUtils::fromStringAsDouble( const VCF::String& value )
{
	double result = 0;
	#ifdef VCF_OSX
		CFTextString tmp;
		tmp = value;
		result = CFStringGetDoubleValue( tmp );
		if ( 0.0 == result ) {
			//check_true_error( tmp );
		}
	#else
		#if ( defined VCF_MSC ) && ( _MSC_VER >= 1300 )
			result = _wtof( value.c_str() );
			if ( 0 == result && ( value[0] != '0' && value[0] != '.' ) &&
					( -1 != swscanf( value.c_str(), W_STR_DOUBLE_CONVERSION, &result ) ) ) {
				throw BasicException( L"StringUtils::fromStringAsDouble() Unable to convert: " + value );
			}
		#else
			int ret = swscanf( value.c_str(), W_STR_DOUBLE_CONVERSION, &result );
			if ( ret != 1 ) {
				throw BasicException( L"StringUtils::fromStringAsDouble() Unable to convert: " + value );
			}
		#endif
	#endif
	return result;
}

char StringUtils::fromStringAsChar( const VCF::String& value )
{
	char result = 0;
	#ifdef VCF_OSX
		sscanf( value.ansi_c_str(), STR_CHAR_CONVERSION, &result );
	#else
		int ret = swscanf( value.c_str(), W_STR_CHAR_CONVERSION, &result );
		if ( ret != 1 ) {
			throw BasicException( L"StringUtils::fromStringAsChar() Unable to convert: " + value );
		}
	#endif

	return result;
}

short StringUtils::fromStringAsShort( const VCF::String& value )
{
	int result = 0;
	#ifdef VCF_OSX
		CFTextString tmp;
		tmp = value;
		result = CFStringGetIntValue( tmp );
	#else
		#ifdef VCF_MSC
			result = _wtoi( value.c_str() );
			if ( 0 == result && ( value[0] != '0' && value[0] != '.' ) &&
					( -1 != swscanf( value.c_str(), W_STR_SHORT_CONVERSION, &result ) ) ) {
				throw BasicException( L"StringUtils::fromStringAsShort() Unable to convert: " + value );
			}
		#else
			int ret = swscanf( value.c_str(), W_STR_SHORT_CONVERSION, &result );
			if ( ret != 1 ) {
				throw BasicException( L"StringUtils::fromStringAsShort() Unable to convert: " + value );
			}
		#endif
	#endif
	return (short)result;
}

bool StringUtils::fromStringAsBool( const VCF::String& value )
{
	bool result = false;
	if ( value == W_STR_BOOL_CONVERSION_TRUE ){
		result = true;
	}
	else if ( value == W_STR_BOOL_CONVERSION_FALSE ){
		result = false;
	}

	return result;
}


VCF::String StringUtils::format( const DateTime& date, const String& formatting )
{
	String result;

	const VCFChar* p = formatting.c_str();
	const VCFChar* start = p;
	const VCFChar* current = p;
	int size = formatting.size();
	int pos = 0;
	unsigned long  y = date.getYear();
	unsigned long m = date.getMonth();
	unsigned long d = date.getDay();

	VCFChar tmp[256];
	int tmpLen = sizeof(tmp)/sizeof(VCFChar);
	memset( tmp, 0, sizeof(tmp) );

	bool hashCharFound = false;
	int formatArgCount = 1;

	while ( (p-start) < size ) {
		if ( ('%' == *p) || (hashCharFound) ) {

			p++;

			switch ( *p ) {
				case '#' : {
					hashCharFound = true;
					formatArgCount = 2;
					p --;
				}
				break;

				//	%% - Percent sign
				case '%' : {
					result.append( current, (p-current) -formatArgCount );
					result += "%";

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;

				//	%a - Abbreviated weekday name
				case 'a' : {
					result.append( current, (p-current) -formatArgCount );

					result += StringUtils::abbrevWeekdays[date.getWeekDay()];

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;

				//	%A - Full weekday name
				case 'A' : {
					result.append( current, (p-current) -formatArgCount );

					result += StringUtils::weekdays[date.getWeekDay()];

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;

				//	%b - Abbreviated month name
				case 'b' : {
					result.append( current, (p-current) -formatArgCount );

					result += StringUtils::abbrevMonths[m-1];

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;

				//	%B - Full month name
				case 'B' : {
					result.append( current, (p-current) -formatArgCount );

					result += StringUtils::months[m-1];

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;

				//	%c - Date and time representation appropriate for locale
				case 'c' : {
					result.append( current, (p-current) -formatArgCount );

					result += L"{insert Locale date/time here}";

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;

				//	%d - Day of month as decimal number (01  31)
				case 'd' : {
					result.append( current, (p-current) -formatArgCount );

					if ( hashCharFound ) {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%d"), d );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[ minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, sizeof(tmp)-1, L"%d", d );
						#else
							swprintf( tmp, L"%d", d );
						#endif

					}
					else {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%02d"), d );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[ minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, tmpLen-1, L"%02d", d );
						#else
							swprintf( tmp, L"%02d", d );
						#endif

					}

					result += tmp;

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;

				//	%D or %j - Day of year as decimal number (001  366)
				case 'D' : case 'j' : {
					result.append( current, (p-current) -formatArgCount );

					if ( hashCharFound ) {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%d"), date.getDayOfYear() );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[ minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, tmpLen-1, L"%d", date.getDayOfYear() );
						#else
							swprintf( tmp, L"%d", date.getDayOfYear() );
						#endif
							result += tmp;

					}
					else {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%03d"), date.getDayOfYear() );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, tmpLen-1, L"%03d", date.getDayOfYear()  );
						#else
							swprintf( tmp, L"%03d", date.getDayOfYear()  );
						#endif
						result += tmp;

					}

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;

				}
				break;

				//	%H - Hour in 24-hour format (00  23)
				case 'H' : {
					result.append( current, (p-current) -formatArgCount );

					if ( hashCharFound ) {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%d"), date.getHour() );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, tmpLen-1, L"%d", date.getHour() );
						#else
							swprintf( tmp, L"%d", date.getHour() );
						#endif

					}
					else {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%02d"), date.getHour() );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, tmpLen-1, L"%02d", date.getHour() );
						#else
							swprintf( tmp, L"%02d", date.getHour() );
						#endif

					}

					result += tmp;
					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;

				//	%I - Hour in 12-hour format (01  12)
				case 'I' : {
					result.append( current, (p-current) -formatArgCount );

					int h = date.getHour() % 12;
					if ( h == 0 ) {
						h = 12;
					}
					if ( hashCharFound ) {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%d"), h );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[ minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, tmpLen-1, L"%d", h );
						#else
							swprintf( tmp, L"%d", h );
						#endif

					}
					else {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%02d"), h );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, tmpLen-1, L"%02d", h );
						#else
							swprintf( tmp, L"%02d", h );
						#endif

					}

						result += tmp;

						current = p + 1;
						hashCharFound = false;
						formatArgCount = 1;
					}
				break;

				//	%m - Month as decimal number (01  12)
				case 'm' : {
					result.append( current, (p-current) -formatArgCount );

					if ( hashCharFound ) {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%d"), m );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, tmpLen-1, L"%d", m  );
						#else
							swprintf( tmp, L"%d", m  );
						#endif

					}
					else {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%02d"), m );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, tmpLen-1, L"%02d", m  );
						#else
							swprintf( tmp, L"%02d", m  );
						#endif

					}

					result += tmp;

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;

				//	%M - Minute as decimal number (00  59)
				case 'M' : {
					result.append( current, (p-current) -formatArgCount );

					if ( hashCharFound ) {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%d"), date.getMinute() );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, tmpLen-1, L"%d", date.getMinute()  );
						#else
							swprintf( tmp, L"%d", date.getMinute()  );
						#endif

						}
						else {

						#ifdef VCF_OSX
							CFTextString cfStr;
							cfStr.format( CFSTR("%02d"), date.getMinute() );
							cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
							tmp[minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
						#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
							swprintf( tmp, tmpLen-1, L"%02d", date.getMinute()  );
						#else
							swprintf( tmp, L"%02d", date.getMinute()  );
						#endif

					}

					result += tmp;

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;

				//	%P - Current locale's A.M./P.M. indicator for 12-hour clock
				case 'P' : {
					result.append( current, (p-current) -formatArgCount );

					result += L"{Locale's AM/PM indicator}";

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;

				// %s - millisecond part
				case 's' : {
					result.append( current, (p-current) -formatArgCount );

					#ifdef VCF_OSX
						CFTextString cfStr;
						cfStr.format( CFSTR("%03d"), date.getMillisecond() );
						cfStr.copy( tmp, minVal<uint32>(cfStr.length(),tmpLen-1) );
						tmp[minVal<uint32>(cfStr.length(),tmpLen-1) ] = 0;
					#elif defined(VCF_POSIX) || defined(VCF_CW_W32) || defined(VCF_DMC)
						swprintf( tmp, tmpLen-1, L"%03d", date.getMillisecond()  );
					#else
						swprintf( tmp, L"%03d", date.getMillisecond()  );
					#endif

					result += tmp;

					current = p + 1;
					hashCharFound = false;
					formatArgCount = 1;
				}
				break;