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// Copyright Epic Games, Inc. All Rights Reserved.
#include <zencore/zencore.h>
#if ZEN_PLATFORM_WINDOWS
# include <zencore/logging/helpers.h>
# include <zencore/logging/messageonlyformatter.h>
# include <zencore/logging/msvcsink.h>
ZEN_THIRD_PARTY_INCLUDES_START
# include <Windows.h>
ZEN_THIRD_PARTY_INCLUDES_END
namespace zen::logging {
// Default formatter for MSVC debug output: [level] message\n
// For error/critical messages with source info, prepends file(line): so that
// the message is clickable in the Visual Studio Output window.
class DefaultMsvcFormatter : public Formatter
{
public:
void Format(const LogMessage& Msg, MemoryBuffer& Dest) override
{
const auto& Source = Msg.GetSource();
if (Msg.GetLevel() >= LogLevel::Err && Source)
{
helpers::AppendStringView(Source.Filename, Dest);
Dest.push_back('(');
helpers::AppendInt(Source.Line, Dest);
Dest.push_back(')');
Dest.push_back(':');
Dest.push_back(' ');
}
Dest.push_back('[');
helpers::AppendStringView(helpers::LevelToShortString(Msg.GetLevel()), Dest);
Dest.push_back(']');
Dest.push_back(' ');
helpers::AppendStringView(Msg.GetPayload(), Dest);
Dest.push_back('\n');
}
std::unique_ptr<Formatter> Clone() const override { return std::make_unique<DefaultMsvcFormatter>(); }
};
MsvcSink::MsvcSink() : m_Formatter(std::make_unique<DefaultMsvcFormatter>())
{
}
void
MsvcSink::Log(const LogMessage& Msg)
{
std::lock_guard<std::mutex> Lock(m_Mutex);
MemoryBuffer Formatted;
m_Formatter->Format(Msg, Formatted);
// Null-terminate for OutputDebugStringA
Formatted.push_back('\0');
OutputDebugStringA(Formatted.data());
}
void
MsvcSink::Flush()
{
// Nothing to flush for OutputDebugString
}
void
MsvcSink::SetFormatter(std::unique_ptr<Formatter> InFormatter)
{
std::lock_guard<std::mutex> Lock(m_Mutex);
m_Formatter = std::move(InFormatter);
}
} // namespace zen::logging
#endif // ZEN_PLATFORM_WINDOWS
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