private object GenerateEnumerableValue(Type type, object value, IValueFormatters valueFormatters)
{
if (value == null)
{
return("NULL");
}
var enumerableType = type.GetEnumerableTypeDefinition();
if (enumerableType == null || !enumerableType.Any())
{
return(value);
}
type = enumerableType.First();
type = type.GetGenericArguments()[0];
var source = ((IEnumerable)value).Cast <object>();
var array = source.Select(c => ExtractValue(c, valueFormatters, null, type)).ToArray();
if (!array.Any())
{
return("ARRAY_REMOVE(ARRAY[0], 0)");
}
return(PrintArray(array));
}
private void GenerateStruct <T>(IValueFormatters valueFormatters, Type type, ref object value)
{
var sb = new StringBuilder();
sb.Append("STRUCT(");
bool isFirst = true;
foreach (var memberInfo2 in Members(type))
{
if (isFirst)
{
isFirst = false;
}
else
{
sb.Append(", ");
}
type = GetMemberType(memberInfo2);
var innerValue = ExtractValue(value, valueFormatters, memberInfo2, type);
sb.Append($"{memberInfo2.Name} := {innerValue}");
}
sb.Append(")");
value = sb.ToString();
}
private void GenerateMap(IValueFormatters valueFormatters, Type type, ref object value)
{
if (value is not IDictionary dict)
{
return;
}
var sb = new StringBuilder();
sb.Append("MAP(");
bool isFirst = true;
foreach (DictionaryEntry dictionaryEntry in dict)
{
if (isFirst)
{
isFirst = false;
}
else
{
sb.Append(", ");
}
var key = ExtractValue(dictionaryEntry.Key, valueFormatters, type, dictionaryEntry.Key.GetType());
sb.Append(key);
sb.Append(" := ");
var dictValue = ExtractValue(dictionaryEntry.Value, valueFormatters, type, dictionaryEntry.Value.GetType());
sb.Append(dictValue);
}
sb.Append(")");
value = sb.ToString();
}
public object ExtractValue <T>(T inputValue, IValueFormatters valueFormatters, MemberInfo memberInfo, Type type)
{
Type valueType = inputValue.GetType();
bool useValue = valueType.IsPrimitive || valueType == typeof(string) || valueType.IsClass || valueType.IsStruct() || typeof(IEnumerable).IsAssignableFrom(valueType);
if (memberInfo?.MemberType == MemberTypes.Property)
{
useValue = !((PropertyInfo)memberInfo).GetAccessors().Any();
}
var value = useValue ? inputValue : valueType.GetProperty(memberInfo.Name)?.GetValue(inputValue);
if (value == null)
{
return("NULL");
}
if (type == typeof(decimal) && valueFormatters.FormatDecimalValue != null)
{
Debug.Assert(value != null, nameof(value) + " != null");
value = valueFormatters.FormatDecimalValue((decimal)value);
}
else if (type == typeof(TimeSpan))
{
TimeSpan timeSpan = (TimeSpan)value;
value = timeSpan.ToString(ValueFormats.TimeFormat, CultureInfo.InvariantCulture);
value = $"'{value}'";
}
else if (type == typeof(DateTime))
{
DateTime date = (DateTime)value;
value = date.ToString(ValueFormats.DateFormat, CultureInfo.InvariantCulture);
value = $"'{value}'";
}
else if (type == typeof(DateTimeOffset))
{
var dateTimeOffset = (DateTimeOffset)value;
value = dateTimeOffset.ToString(ValueFormats.DateTimeOffsetFormat, CultureInfo.InvariantCulture);
value = $"'{value}'";
}
else if (type == typeof(double))
{
Debug.Assert(value != null, nameof(value) + " != null");
if (valueFormatters.FormatDoubleValue != null)
{
value = valueFormatters.FormatDoubleValue((double)value);
}
}
else if (type == typeof(string))
{
value = $"'{value}'";
}
else if (type.IsPrimitive)
{
value = value.ToString();
}
else if (type.IsDictionary())
{
GenerateMap(valueFormatters, type, ref value);
}
else if (type.IsArray)
{
var source = ((IEnumerable)value).Cast <object>();
var array = source.Select(c => ExtractValue(c, valueFormatters, null, type.GetElementType())).ToArray();
value = PrintArray(array);
}
else if (!type.IsGenericType && (type.IsClass || type.IsStruct()))
{
GenerateStruct <T>(valueFormatters, type, ref value);
}
else
{
value = GenerateEnumerableValue(type, value, valueFormatters);
}
return(value);
}
