/// <summary>
/// Create a new enumeration based on a string
/// </summary>
/// <param name="value">The enumerate string, flags are separated with | characters</param>
public PortableEnum FromString(string value)
{
PortableEnum ret = this;
if (_isFlags)
{
string[] vals = value.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
long currVal = 0;
if (vals.Length > 0)
{
foreach (string s in vals)
{
currVal |= FindValueByName(s);
}
ret._value = currVal;
}
else
{
throw new ArgumentException(CANAPE.Properties.Resources.EnumDataValue_FromString, "value");
}
}
else
{
ret._value = FindValueByName(value);
}
return(ret);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="value">Enumerated value</param>
/// <param name="name">Name of the value</param>
/// <param name="underlyingType">The underlying type which this serialized to</param>
/// <param name="littleEndian">The endian of the underlying type</param>
public EnumDataValue(string name, Enum value, Type underlyingType, bool littleEndian)
: base(name, littleEndian)
{
_value = new PortableEnum(value.GetType());
_value.Value = (long)Convert.ChangeType(value, typeof(long));
_underlyingType = underlyingType;
if (_underlyingType == typeof(byte))
{
_toMethodInfo = typeof(EnumDataValue).GetMethod("FromByte", BindingFlags.Static | BindingFlags.NonPublic);
_fromMethodInfo = typeof(EnumDataValue).GetMethod("ToByte", BindingFlags.Static | BindingFlags.NonPublic);
}
else if (_underlyingType == typeof(sbyte))
{
_toMethodInfo = typeof(EnumDataValue).GetMethod("FromSByte", BindingFlags.Static | BindingFlags.NonPublic);
_fromMethodInfo = typeof(EnumDataValue).GetMethod("ToSByte", BindingFlags.Static | BindingFlags.NonPublic);
}
else
{
_toMethodInfo = typeof(BitConverter).GetMethod("GetBytes", BindingFlags.Public | BindingFlags.Static, null, new Type[] { _underlyingType }, null);
foreach (MethodInfo mi in typeof(BitConverter).GetMethods(BindingFlags.Public | BindingFlags.Static))
{
if (mi.Name.StartsWith("To") && (mi.ReturnType == _underlyingType))
{
ParameterInfo[] pis = mi.GetParameters();
if ((pis.Length == 2) && (pis[0].ParameterType == typeof(byte[])) && (pis[1].ParameterType == typeof(int)))
{
_fromMethodInfo = mi;
break;
}
}
}
}
if ((_toMethodInfo == null) || (_fromMethodInfo == null))
{
throw new ArgumentException(CANAPE.Properties.Resources.EnumDataValue_InvalidType);
}
if (_value.IsFlags)
{
Class = new Guid(DataNodeClasses.FLAGS_ENUM_NODE_CLASS);
}
else
{
Class = new Guid(DataNodeClasses.ENUM_NODE_CLASS);
}
}
/// <summary>
/// Create a new enumerated value based this value
/// </summary>
/// <param name="value">The value to use, must be convertable to a long</param>
public PortableEnum FromValue(object value)
{
PortableEnum ret = this;
if (value is string)
{
ret = FromString((string)value);
}
else if (value is PortableEnum)
{
ret._value = ((PortableEnum)value)._value;
}
else
{
ret._value = (long)Convert.ChangeType(value, typeof(long));
}
return(ret);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="value">Enumerated value</param>
/// <param name="name">Name of the value</param>
/// <param name="underlyingType">The underlying type which this serialized to</param>
/// <param name="littleEndian">The endian of the underlying type</param>
public EnumDataValue(string name, Enum value, Type underlyingType, bool littleEndian)
: base(name, littleEndian)
{
_value = new PortableEnum(value.GetType());
_value.Value = (long)Convert.ChangeType(value, typeof(long));
_underlyingType = underlyingType;
if (_underlyingType == typeof(byte))
{
_toMethodInfo = typeof(EnumDataValue).GetMethod("FromByte", BindingFlags.Static | BindingFlags.NonPublic);
_fromMethodInfo = typeof(EnumDataValue).GetMethod("ToByte", BindingFlags.Static | BindingFlags.NonPublic);
}
else if (_underlyingType == typeof(sbyte))
{
_toMethodInfo = typeof(EnumDataValue).GetMethod("FromSByte", BindingFlags.Static | BindingFlags.NonPublic);
_fromMethodInfo = typeof(EnumDataValue).GetMethod("ToSByte", BindingFlags.Static | BindingFlags.NonPublic);
}
else
{
_toMethodInfo = typeof(BitConverter).GetMethod("GetBytes", BindingFlags.Public | BindingFlags.Static, null, new Type[] { _underlyingType }, null);
foreach (MethodInfo mi in typeof(BitConverter).GetMethods(BindingFlags.Public | BindingFlags.Static))
{
if (mi.Name.StartsWith("To") && (mi.ReturnType == _underlyingType))
{
ParameterInfo[] pis = mi.GetParameters();
if ((pis.Length == 2) && (pis[0].ParameterType == typeof(byte[])) && (pis[1].ParameterType == typeof(int)))
{
_fromMethodInfo = mi;
break;
}
}
}
}
if ((_toMethodInfo == null) || (_fromMethodInfo == null))
{
throw new ArgumentException(CANAPE.Properties.Resources.EnumDataValue_InvalidType);
}
if (_value.IsFlags)
{
Class = new Guid(DataNodeClasses.FLAGS_ENUM_NODE_CLASS);
}
else
{
Class = new Guid(DataNodeClasses.ENUM_NODE_CLASS);
}
}