working on win32 uwp! and libremidi update

include/libremidi/backends/winmidi/helpers.hpp

@@ -5,15 +5,23 @@
 #include <libremidi/detail/midi_api.hpp>
 
 #include <mutex>
+#include <cctype>
 #include <string>
 #include <thread>
 #include <vector>
 #include <guiddef.h>
+
 #include <winrt/Windows.Foundation.h>
 #include <winrt/Windows.Foundation.Collections.h>
 #include <winrt/Windows.Devices.Enumeration.h>
+#include <winrt/Windows.Devices.Midi2.h>
+
+
+namespace midi2 = winrt::Windows::Devices::Midi2;
+namespace foundation = winrt::Windows::Foundation;
+namespace collections = winrt::Windows::Foundation::Collections;
+
 
-#include <winrt/Microsoft.Devices.Midi2.h>
 // clang-format on
 
 namespace libremidi::winmidi
@@ -22,6 +30,31 @@ using namespace winrt;
 using namespace winrt::Windows::Foundation;
 using namespace winrt::Windows::Devices::Enumeration;
 using namespace winrt::Windows::Storage::Streams;
-using namespace Microsoft::Devices::Midi2;
+using namespace winrt::Windows::Devices::Midi2;
 using namespace Windows::Devices::Enumeration;
+
+inline bool ichar_equals(char a, char b)
+{
+  return std::tolower(static_cast<unsigned char>(a)) ==
+         std::tolower(static_cast<unsigned char>(b));
+}
+inline bool iequals(std::string_view lhs, std::string_view rhs)
+{
+  return std::ranges::equal(lhs, rhs, ichar_equals);
+}
+
+inline winrt::Windows::Devices::Midi2::MidiEndpointDeviceInformation
+get_port_by_name(const std::string& port) {
+  auto eps = MidiEndpointDeviceInformation::FindAll();
+  for (const auto& ep : eps)
+  {
+    auto str = to_string(ep.Id());
+    if (str.empty())
+      continue;
+
+    if (iequals(str, port))
+      return ep;
+  }
+  return {nullptr};
+}
 }