Merge branch 'master' into issue4-dev

1 files changed, 34 insertions, 0 deletions

diff --git a/src/exception.cpp b/src/exception.cpp
new file mode 100644
index 00000000..a1d59ceb
--- /dev/null
+++ b/src/exception.cpp
@@ -0,0 +1,34 @@
+#include "exception.h"
+
+#include <fmt/format.h>
+
+namespace cru
+{
+    inline std::string HResultMakeMessage(HRESULT h_result, std::optional<std::string> message)
+    {
+        if (message.has_value())
+            return fmt::format("An HResultError is thrown. HRESULT: {:#08x}.\nAdditional message: {}\n", h_result, message.value());
+        else
+            return fmt::format("An HResultError is thrown. HRESULT: {:#08x}.\n", h_result);
+    }
+
+    HResultError::HResultError(HRESULT h_result, std::optional<std::string_view> additional_message)
+        : runtime_error(HResultMakeMessage(h_result, std::nullopt)), h_result_(h_result)
+    {
+
+    }
+
+    inline std::string Win32MakeMessage(DWORD error_code, std::optional<std::string> message)
+    {
+        if (message.has_value())
+            return fmt::format("Last error code: {:#04x}.\nAdditional message: {}\n", error_code, message.value());
+        else
+            return fmt::format("Last error code: {:#04x}.\n", error_code);
+    }
+
+    Win32Error::Win32Error(DWORD error_code, std::optional<std::string_view> additional_message)
+        : runtime_error(Win32MakeMessage(error_code, std::nullopt)), error_code_(error_code)
+    {
+
+    }
+}