public bool CanConvertTo(RfcType rfcType)
{
// ReSharper disable once SwitchStatementHandlesSomeKnownEnumValuesWithDefault
switch (rfcType)
{
case RfcType.CHAR:
case RfcType.DATE:
case RfcType.BCD:
case RfcType.TIME:
case RfcType.BYTE:
case RfcType.NUM:
case RfcType.FLOAT:
case RfcType.INT:
case RfcType.INT2:
case RfcType.INT1:
case RfcType.DECF16:
case RfcType.DECF34:
case RfcType.STRING:
case RfcType.INT8:
return(true);
default:
return(false);
}
}
public RfcFieldInfo(string name, RfcType type, uint nucLength, uint ucLength, uint decimals)
{
Name = name;
Type = type;
NucLength = nucLength;
UcLength = ucLength;
Decimals = decimals;
}
public RfcParameterInfo(string name, RfcType type, RfcDirection direction, uint nucLength, uint ucLength, uint decimals, string defaultValue, string parameterText, bool optional)
: base(name, type, nucLength, ucLength, decimals)
{
Direction = direction;
DefaultValue = defaultValue;
ParameterText = parameterText;
Optional = optional;
}
private static bool IsSupportedRfcType(RfcType rfcType)
{
// ReSharper disable once SwitchStatementHandlesSomeKnownEnumValuesWithDefault
switch (rfcType)
{
case RfcType.INT8:
return(true);
default:
return(false);
}
}
private static bool IsSupportedRfcType(RfcType rfcType)
{
// ReSharper disable once SwitchStatementHandlesSomeKnownEnumValuesWithDefault
switch (rfcType)
{
case RfcType.CHAR:
case RfcType.NUM:
case RfcType.BCD:
case RfcType.FLOAT:
case RfcType.DECF16:
case RfcType.DECF34:
case RfcType.STRING:
return(true);
default:
return(false);
}
}
public IEnumerable <IFromAbapValueConverter <T> > GetFromRfcConverters <T>(RfcType rfcType, Type abapValueType)
{
var targetType = typeof(T);
var key = $"{rfcType}_{targetType}";
if (!_fromRfcConverters.ContainsKey(key))
{
var converters = _decoratedResolver.GetFromRfcConverters <T>(rfcType, abapValueType).ToArray();
_fromRfcConverters.Add(key, converters.Length == 0 ? null : converters);
}
var entry = _fromRfcConverters[key];
if (entry != null)
{
return((IEnumerable <IFromAbapValueConverter <T> >)entry);
}
return(new IFromAbapValueConverter <T> [0]);
}
public static T GetParameter <T>(this IDataParameter dataContainer, string name, int length, int decimals, RfcType rfcType)
{
RfcErrorInfo errorInfo;
object result;
switch (rfcType)
{
case RfcType.Char:
{
var buffer = new StringBuilder(length);
UnsafeNativeMethods.RfcGetChars(dataContainer.DataHandle(), name, buffer, buffer.Length, out errorInfo);
errorInfo.IfErrorThrowException();
result = buffer;
}
break;
case RfcType.Num:
{
var buffer = new char[length];
UnsafeNativeMethods.RfcGetNum(dataContainer.DataHandle(), name, buffer, buffer.Length, out errorInfo);
errorInfo.IfErrorThrowException();
result = new SnwNumeric(new string(buffer));
}
break;
case RfcType.String:
{
int stringLength = 200;
//UnsafeNativeMethods.RfcGetStringLength(dataContainer.DataHandle(), name, out stringLength, out errorInfo);
//errorInfo.IfErrorThrowException();
var stringBuffer = new StringBuilder(stringLength + 1);
int retlength;
UnsafeNativeMethods.RfcGetString(dataContainer.DataHandle(), name, stringBuffer, stringBuffer.Capacity, out retlength, out errorInfo);
errorInfo.IfErrorThrowException();
result = stringBuffer.ToString();
}
break;
case RfcType.Date:
{
var date = new char[8];
UnsafeNativeMethods.RfcGetDate(dataContainer.DataHandle(), name, date, out errorInfo);
errorInfo.IfErrorThrowException();
result = new SnwDate(new string(date));
}
break;
case RfcType.Time:
{
var time = new char[6];
UnsafeNativeMethods.RfcGetTime(dataContainer.DataHandle(), name, time, out errorInfo);
errorInfo.IfErrorThrowException();
result = new SnwTime(new string(time));
}
break;
case RfcType.Byte:
{
var buffer = new byte[length];
UnsafeNativeMethods.RfcGetBytes(dataContainer.DataHandle(), name, buffer, buffer.Length, out errorInfo);
errorInfo.IfErrorThrowException();
result = buffer;
}
break;
case RfcType.Int:
{
int value;
UnsafeNativeMethods.RfcGetInt(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.Int1:
{
byte value;
UnsafeNativeMethods.RfcGetInt1(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.Int2:
{
short value;
UnsafeNativeMethods.RfcGetInt2(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.Float:
{
double value;
UnsafeNativeMethods.RfcGetFloat(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.DecF16:
{
decimal value;
UnsafeNativeMethods.RfcGetDecF16(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.DecF34:
{
decimal value;
UnsafeNativeMethods.RfcGetDecF16(dataContainer.DataHandle(), name, out value, out errorInfo);
errorInfo.IfErrorThrowException();
result = value;
}
break;
case RfcType.XString:
{
var buffer = new byte[length];
int outLength;
UnsafeNativeMethods.RfcGetXString(dataContainer.DataHandle(), name, buffer, buffer.Length,
out outLength, out errorInfo);
errorInfo.IfErrorThrowException();
result = new SnwXString(buffer);
}
break;
case RfcType.Structure:
{
IntPtr structureHandle;
UnsafeNativeMethods.RfcGetStructure(dataContainer.DataHandle(), name, out structureHandle, out errorInfo);
errorInfo.IfErrorThrowException();
var structure = new SnwStructure(structureHandle);
result = typeof(T).GetConstructor(System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public, null, new[] { typeof(SnwStructure) }, null).Invoke(new object[] { structure });
}
break;
case RfcType.Table:
{
IntPtr tableHandle;
UnsafeNativeMethods.RfcGetTable(dataContainer.DataHandle(), name, out tableHandle, out errorInfo);
errorInfo.IfErrorThrowException();
var table = new SnwTable <SnwStructure>(tableHandle);
result = typeof(T).GetConstructor(System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public, null, new[] { typeof(SnwTable <SnwStructure>) }, null).Invoke(new object[] { table });
}
break;
default:
{
throw new SnwConnectorException(string.Format(CultureInfo.InvariantCulture, Messages.TypeNotHandled, typeof(T)));
}
}
return((T)result);
}
public bool CanConvertFrom(RfcType rfcType)
{
return(IsSupportedRfcType(rfcType));
}
