internal static string SliceToString(slice str, DStringType type)
{
try {
unsafe {
var bytes = (byte *)str.ptr.ToPointer();
if (bytes == null)
{
return(null);
}
if (type == DStringType._string)
{
return(String.Copy(System.Text.Encoding.UTF8.GetString(bytes, str.length.ToInt32() * (int)type)));
}
else if (type == DStringType._wstring)
{
return(String.Copy(System.Text.Encoding.Unicode.GetString(bytes, str.length.ToInt32() * (int)type)));
}
else if (type == DStringType._dstring)
{
return(String.Copy(System.Text.Encoding.UTF32.GetString(bytes, str.length.ToInt32() * (int)type)));
}
else
{
throw new UnauthorizedAccessException("Unable to convert D string to C# string: Unrecognized string type.");
}
}
} finally {
SharedFunctions.ReleaseMemory(str.ptr);
}
}
internal slice ToSlice(DStringType type = DStringType.None)
{
if (type == DStringType.None && _strings != null)
{
throw new TypeAccessException("Cannot pass a range of strings to a non-string range.");
}
if (_strings == null)
{
return(_slice);
}
else
{
_type = type;
if (_type == DStringType._string)
{
_slice = RangeFunctions.String_Create(new IntPtr(_strings.Count()));
foreach (var s in _strings)
{
_slice = RangeFunctions.String_AppendValue(_slice, SharedFunctions.CreateString(s));
}
}
else if (_type == DStringType._wstring)
{
_slice = RangeFunctions.Wstring_Create(new IntPtr(_strings.Count()));
foreach (var s in _strings)
{
_slice = RangeFunctions.Wstring_AppendValue(_slice, SharedFunctions.CreateWstring(s));
}
}
else if (_type == DStringType._dstring)
{
_slice = RangeFunctions.Dstring_Create(new IntPtr(_strings.Count()));
foreach (var s in _strings)
{
_slice = RangeFunctions.Dstring_AppendValue(_slice, SharedFunctions.CreateDstring(s));
}
}
_strings = null;
return(_slice);
}
}
internal Range(slice range, DStringType type)
{
this._slice = range;
this._type = type;
}