5 files changed, 123 insertions, 0 deletions
diff --git a/include/cru/common/platform/Exception.hpp b/include/cru/common/platform/Exception.hpp
new file mode 100644
index 00000000..0241947b
--- /dev/null
+++ b/include/cru/common/platform/Exception.hpp
@@ -0,0 +1,15 @@
+#pragma once
+#include "../Base.hpp"
+#include "../Exception.hpp"
+
+namespace cru::platform {
+class CRU_BASE_API PlatformException : public Exception {
+ public:
+  using Exception::Exception;  // inherit constructors
+
+  CRU_DEFAULT_COPY(PlatformException)
+  CRU_DEFAULT_MOVE(PlatformException)
+
+  CRU_DEFAULT_DESTRUCTOR(PlatformException)
+};
+}  // namespace cru::platform
diff --git a/include/cru/common/platform/osx/Convert.hpp b/include/cru/common/platform/osx/Convert.hpp
new file mode 100644
index 00000000..a583e8da
--- /dev/null
+++ b/include/cru/common/platform/osx/Convert.hpp
@@ -0,0 +1,17 @@
+#pragma once
+#include "../../PreConfig.hpp"
+#ifdef CRU_PLATFORM_OSX
+
+#include "../../String.hpp"
+
+#include <CoreFoundation/CFString.h>
+
+namespace cru::platform::osx {
+CFStringRef Convert(const String& string);
+String Convert(CFStringRef string);
+
+CFRange Convert(const Range& range);
+Range Convert(const CFRange& range);
+}  // namespace cru::platform::osx
+
+#endif
diff --git a/include/cru/common/platform/osx/Exception.hpp b/include/cru/common/platform/osx/Exception.hpp
new file mode 100644
index 00000000..49527c69
--- /dev/null
+++ b/include/cru/common/platform/osx/Exception.hpp
@@ -0,0 +1,14 @@
+#pragma once
+#include "../../PreConfig.hpp"
+#ifdef CRU_PLATFORM_OSX
+
+#include "../Exception.hpp"
+
+namespace cru::platform::osx {
+class OsxException : public PlatformException {
+ public:
+  using PlatformException::PlatformException;
+};
+}  // namespace cru::platform::osx
+
+#endif
diff --git a/include/cru/common/platform/win/Exception.hpp b/include/cru/common/platform/win/Exception.hpp
new file mode 100644
index 00000000..f90efe0a
--- /dev/null
+++ b/include/cru/common/platform/win/Exception.hpp
@@ -0,0 +1,56 @@
+#pragma once
+#include "../../PreConfig.hpp"
+#ifdef CRU_PLATFORM_WINDOWS
+
+#include "WinPreConfig.hpp"
+
+#include "../Exception.hpp"
+
+#include <stdexcept>
+#include <string_view>
+
+namespace cru::platform::win {
+class CRU_BASE_API HResultError : public platform::PlatformException {
+ public:
+  explicit HResultError(HRESULT h_result);
+  explicit HResultError(HRESULT h_result, std::string_view message);
+
+  CRU_DEFAULT_COPY(HResultError)
+  CRU_DEFAULT_MOVE(HResultError)
+
+  ~HResultError() override = default;
+
+  HRESULT GetHResult() const { return h_result_; }
+
+ private:
+  HRESULT h_result_;
+};
+
+inline void ThrowIfFailed(const HRESULT h_result) {
+  if (FAILED(h_result)) throw HResultError(h_result);
+}
+
+inline void ThrowIfFailed(const HRESULT h_result, std::string_view message) {
+  if (FAILED(h_result)) throw HResultError(h_result, message);
+}
+
+class CRU_BASE_API Win32Error : public platform::PlatformException {
+ public:
+  // ::GetLastError is automatically called to get the error code.
+  // The same as Win32Error(::GetLastError(), message)
+  explicit Win32Error(std::string_view message);
+  Win32Error(DWORD error_code, std::string_view message);
+
+  CRU_DEFAULT_COPY(Win32Error)
+  CRU_DEFAULT_MOVE(Win32Error)
+
+  ~Win32Error() override = default;
+
+  DWORD GetErrorCode() const { return error_code_; }
+
+ private:
+  DWORD error_code_;
+};
+}  // namespace cru::platform::win
+
+#endif
diff --git a/include/cru/common/platform/win/WinPreConfig.hpp b/include/cru/common/platform/win/WinPreConfig.hpp
new file mode 100644
index 00000000..881b5f6b
--- /dev/null
+++ b/include/cru/common/platform/win/WinPreConfig.hpp
@@ -0,0 +1,21 @@
+#pragma once
+#include "../../PreConfig.hpp"
+#ifdef CRU_PLATFORM_WINDOWS
+
+
+
+#define NOMINMAX
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+#undef CreateWindow
+#undef DrawText
+#undef CreateFont
+#undef CreateEvent
+
+#include <d2d1_2.h>
+#include <d3d11.h>
+#include <dwrite.h>
+#include <dxgi1_2.h>
+#include <wrl/client.h>
+
+#endif