1 files changed, 7 insertions, 30 deletions
diff --git a/include/cru/common/Logger.hpp b/include/cru/common/Logger.hpp
index f76e4626..f83ba8dc 100644
--- a/include/cru/common/Logger.hpp
+++ b/include/cru/common/Logger.hpp
@@ -15,30 +15,7 @@ enum class LogLevel { Debug, Info, Warn, Error };
 struct ILogSource : virtual Interface {
   // Write the string s. LogLevel is just a helper. It has no effect on the
   // content to write.
-  virtual void Write(LogLevel level, std::string_view s) = 0;
-};
-
-class StdioLogSource : public virtual ILogSource {
- public:
-  StdioLogSource() = default;
-
-  CRU_DELETE_COPY(StdioLogSource)
-  CRU_DELETE_MOVE(StdioLogSource)
-
-  ~StdioLogSource() override = default;
-
-  void Write(LogLevel level, std::string_view s) override {
-    // TODO: Emmm... Since it is buggy to use narrow char in UTF-8 on Windows. I
-    // think this implementation might be broken. (However, I didn't test it.)
-    // Maybe, I should detect Windows and use wide char (And I didn't test this
-    // either) or other more complicated implementation. Currently, I settled
-    // with this.
-    if (level == LogLevel::Error) {
-      std::cerr << s;
-    } else {
-      std::cout << s;
-    }
-  }
+  virtual void Write(LogLevel level, const std::u16string& s) = 0;
 };
 
 class Logger : public Object {
@@ -58,8 +35,8 @@ class Logger : public Object {
   void RemoveSource(ILogSource* source);
 
  public:
-  void Log(LogLevel level, std::string_view s);
-  void Log(LogLevel level, std::string_view tag, std::string_view s);
+  void Log(LogLevel level, std::u16string_view s);
+  void Log(LogLevel level, std::u16string_view tag, std::u16string_view s);
 
  public:
   std::list<std::unique_ptr<ILogSource>> sources_;
@@ -92,7 +69,7 @@ void Error(TArgs&&... args) {
 }
 
 template <typename... TArgs>
-void TagDebug([[maybe_unused]] std::string_view tag,
+void TagDebug([[maybe_unused]] std::u16string_view tag,
               [[maybe_unused]] TArgs&&... args) {
 #ifdef CRU_DEBUG
   Logger::GetInstance()->Log(LogLevel::Debug, tag,
@@ -101,19 +78,19 @@ void TagDebug([[maybe_unused]] std::string_view tag,
 }
 
 template <typename... TArgs>
-void TagInfo(std::string_view tag, TArgs&&... args) {
+void TagInfo(std::u16string_view tag, TArgs&&... args) {
   Logger::GetInstance()->Log(LogLevel::Info, tag,
                              fmt::format(std::forward<TArgs>(args)...));
 }
 
 template <typename... TArgs>
-void TagWarn(std::string_view tag, TArgs&&... args) {
+void TagWarn(std::u16string_view tag, TArgs&&... args) {
   Logger::GetInstance()->Log(LogLevel::Warn, tag,
                              fmt::format(std::forward<TArgs>(args)...));
 }
 
 template <typename... TArgs>
-void TagError(std::string_view tag, TArgs&&... args) {
+void TagError(std::u16string_view tag, TArgs&&... args) {
   Logger::GetInstance()->Log(LogLevel::Error, tag,
                              fmt::format(std::forward<TArgs>(args)...));
 }