// Converts the value of a single element to a desired type.
private static object CreateObjectFromString(string value, Type dstType)
{
var underlyingType = Nullable.GetUnderlyingType(dstType);
if (underlyingType != null)
{
if (string.IsNullOrEmpty(value))
{
return(null); // Returns Nullable<T>().
}
// Otherwise, continue with our conversion using
// the underlying type of the nullable.
dstType = underlyingType;
}
var converter = Configuration.FindTypeStringConverter(dstType);
try
{
return(converter.ConvertFromString(value, dstType));
}
catch (Exception ex)
{
throw SettingValueCastException.Create(value, dstType, ex);
}
}
// Converts the value of a single element to a desired type.
private static object CreateObjectFromString(string value, Type dstType)
{
var underlyingType = Nullable.GetUnderlyingType(dstType);
if (underlyingType != null)
{
if (string.IsNullOrEmpty(value))
{
return(null); // Returns Nullable<T>().
}
// Otherwise, continue with our conversion using
// the underlying type of the nullable.
dstType = underlyingType;
}
var converter = Configuration.FindTypeStringConverter(dstType);
if (converter == Configuration.FallbackConverter)
{
// The fallback converter is not able to create arbitrary objects
// from strings, so this means that there is no type converter
// registered for dstType.
throw SettingValueCastException.CreateBecauseConverterMissing(value, dstType);
}
try
{
return(converter.ConvertFromString(value, dstType));
}
catch (Exception ex)
{
throw SettingValueCastException.Create(value, dstType, ex);
}
}
/// <summary>
/// Sets the value of this setting via an array.
/// </summary>
///
/// <param name="values">The values to set.</param>
public void SetValue(object[] values)
{
if (values == null)
{
SetEmptyValue();
}
else
{
if (values.GetType().GetElementType().IsArray)
{
throw new ArgumentException("Jagged arrays are not supported.");
}
var strings = new string[values.Length];
for (int i = 0; i < values.Length; ++i)
{
var converter = Configuration.FindTypeStringConverter(values[i].GetType());
strings[i] = converter.ConvertToString(values[i]);
}
mRawValue = string.Format("{{{0}}}", string.Join(",", strings));
mCachedArraySize = values.Length;
mShouldCalculateArraySize = false;
}
}
/// <summary>
/// Sets the value of this setting via an object.
/// </summary>
///
/// <param name="value">The value to set.</param>
public void SetValue <T>(T value)
{
if (value == null)
{
SetEmptyValue();
}
else
{
var converter = Configuration.FindTypeStringConverter(typeof(T));
mRawValue = converter.ConvertToString(value);
mShouldCalculateArraySize = true;
}
}
/// <summary>
/// Sets the value of this setting via an object.
/// </summary>
///
/// <param name="value">The value to set.</param>
public void SetValue(object value)
{
if (value == null)
{
SetEmptyValue();
return;
}
var type = value.GetType();
if (type.IsArray)
{
var elementType = type.GetElementType();
if (elementType != null && elementType.IsArray)
{
throw CreateJaggedArraysNotSupportedEx(type.GetElementType());
}
var values = value as Array;
if (values != null)
{
var strings = new string[values.Length];
for (int i = 0; i < values.Length; i++)
{
object elemValue = values.GetValue(i);
var converter = Configuration.FindTypeStringConverter(elemValue.GetType());
strings[i] = GetValueForOutput(converter.ConvertToString(elemValue));
}
mRawValue = $"{{{string.Join(Configuration.ArrayElementSeparator.ToString(), strings)}}}";
}
if (values != null)
{
mCachedArraySize = values.Length;
}
mShouldCalculateArraySize = false;
}
else
{
var converter = Configuration.FindTypeStringConverter(type);
mRawValue = converter.ConvertToString(value);
mShouldCalculateArraySize = true;
}
}
/// <summary>
/// Sets the value of this setting via an object.
/// </summary>
///
/// <param name="value">The value to set.</param>
public void SetValue(object value)
{
if (value == null)
{
SetEmptyValue();
return;
}
var type = value.GetType();
if (type.IsArray)
{
if (type.GetElementType().IsArray)
{
throw new ArgumentException("Jagged arrays are not supported.");
}
var values = value as Array;
var strings = new string[values.Length];
for (int i = 0; i < values.Length; i++)
{
object elemValue = values.GetValue(i);
var converter = Configuration.FindTypeStringConverter(elemValue.GetType());
strings[i] = converter.ConvertToString(elemValue);
}
mRawValue = string.Format("{{{0}}}", string.Join(",", strings));
mCachedArraySize = values.Length;
mShouldCalculateArraySize = false;
}
else
{
var converter = Configuration.FindTypeStringConverter(type);
mRawValue = converter.ConvertToString(value);
mShouldCalculateArraySize = true;
}
}