/// <summary>
/// Parses a Redis string to a <see cref="Nullable{Guid}"/> value, if string is not null or empty. If the string is null or empty, returns null.
/// </summary>
/// <param name="value">The string value to parse.</param>
/// <returns>The parsed <see cref="Nullable{Guid}"/> value.</returns>
/// <exception cref="ArgumentException">Parameter <paramref name="value"/> is neither null nor empty and cannot be parsed to <see cref="Nullable{Guid}"/>.</exception>
public static Guid?ParseGuidOrNull(string value)
{
if (string.IsNullOrWhiteSpace(value))
{
return(null);
}
else
{
return(RedisConverter.ParseGuid(value));
}
}
/// <summary>
/// Parses a Redis string to an object.
/// </summary>
/// <param name="value">The string value to parse.</param>
/// <param name="toType">The type of the object to parse.</param>
/// <returns>The parsed object.</returns>
/// <exception cref="ArgumentNullException">Parameter <paramref name="toType"/> is null.</exception>
/// <exception cref="NotSupportedException">Type <paramref name="toType" /> is not supported.</exception>
public static object ParseValue(string value, Type toType)
{
if (toType == null)
{
throw new ArgumentNullException("toType");
}
if (toType == typeof(string))
{
return(value);
}
if (toType.IsGenericType && toType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
if (string.IsNullOrEmpty(value))
{
return(null);
}
toType = toType.GetGenericArguments()[0];
}
if (toType == typeof(int))
{
return(RedisConverter.ParseInteger(value));
}
if (toType == typeof(long))
{
return(RedisConverter.ParseLong(value));
}
if (toType == typeof(float))
{
return(RedisConverter.ParseFloat(value));
}
if (toType == typeof(double))
{
return(RedisConverter.ParseDouble(value));
}
if (toType == typeof(Guid))
{
return(RedisConverter.ParseGuid(value));
}
if (toType == typeof(TimeSpan))
{
return(RedisConverter.ParseTimeSpan(value));
}
if (toType == typeof(DateTime))
{
return(RedisConverter.ParseDateTime(value));
}
if (toType == typeof(bool))
{
return(RedisConverter.ParseBoolean(value));
}
if (toType.IsEnum)
{
return(RedisConverter.ParseEnum(value, toType));
}
if (toType == typeof(Type))
{
return(RedisConverter.ParseType(value));
}
if (toType == typeof(Version))
{
return(RedisConverter.ParseVersion(value));
}
throw new NotSupportedException <Type>(toType);
}