public static IReadOnlyList <string> UnpackListString(PackedValue packedValue)
{
List <string> result = new List <string>(packedValue.Size);
if (packedValue.Type == (PackedValueType.SimpleArray & PackedValueType.NarrowString))
{
for (IntPtr cursor = packedValue.Pointer; cursor != packedValue.Pointer + (packedValue.Size * IntPtrSize); cursor += IntPtrSize)
{
IntPtr handle = Marshal.ReadIntPtr(cursor);
result.Add(Marshal.PtrToStringAnsi(packedValue.Pointer));
}
}
else if (packedValue.Type == (PackedValueType.SimpleArray & PackedValueType.WideString))
{
for (IntPtr cursor = packedValue.Pointer; cursor != packedValue.Pointer + (packedValue.Size * IntPtrSize); cursor += IntPtrSize)
{
IntPtr handle = Marshal.ReadIntPtr(cursor);
result.Add(Marshal.PtrToStringUni(packedValue.Pointer));
}
}
else
{
throw new ArgumentException("UnpackListString expects a 'NarrowString' or 'WideString' type.");
}
return(result);
}
public static IReadOnlyList <T> UnpackList <T>(PackedValue packedValue, Func <IntPtr, T> factory)
{
Debug.Assert(packedValue.Type == (PackedValueType.SimpleArray & PackedValueType.Pointer));
List <T> result = new List <T>(packedValue.Size);
for (IntPtr cursor = packedValue.Pointer; cursor != packedValue.Pointer + (packedValue.Size * IntPtrSize); cursor += IntPtrSize)
{
IntPtr handle = Marshal.ReadIntPtr(cursor);
result.Add(factory(handle));
}
return(result);
}
public static string UnpackString(PackedValue packedValue)
{
switch (packedValue.Type)
{
case PackedValueType.NarrowString:
return(Marshal.PtrToStringAnsi(packedValue.Pointer, packedValue.Size));
case PackedValueType.WideString:
return(Marshal.PtrToStringUni(packedValue.Pointer, packedValue.Size));
default:
throw new ArgumentException("UnpackString expects a 'NarrowString' or 'WideString' type.");
}
}
