First commit

src/Nazara/Core/Log.cpp

@@ -0,0 +1,161 @@
+// Copyright (C) 2012 Jérôme Leclercq
+// This file is part of the "Nazara Engine".
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#define NAZARA_LOG_CPP
+
+#include <Nazara/Core/Log.hpp>
+#include <Nazara/Core/File.hpp>
+#include <Nazara/Core/StringStream.hpp>
+#include <Nazara/Math/Basic.hpp>
+#include <ctime>
+
+#if NAZARA_CORE_REDIRECT_TO_CERR_ON_LOG_FAILURE
+#include <cstdio>
+#endif
+
+#include <Nazara/Core/ThreadSafety.hpp>
+#include <Nazara/Core/Debug.hpp>
+
+namespace
+{
+	NzString errorType[] = {
+		"Assert failed: ",	// nzErrorType_AssertFailed
+		"Internal error: ",	// nzErrorType_Internal
+		"Error: ",			// nzErrorType_Normal
+		"Warning: "			// nzErrorType_Warning
+	};
+}
+
+NzLog::NzLog() :
+m_filePath("NazaraLog.log"),
+m_file(nullptr),
+m_append(false),
+m_enabled(true),
+m_writeTime(true)
+{
+}
+
+NzLog::~NzLog()
+{
+	delete m_file;
+}
+
+void NzLog::Enable(bool enable)
+{
+	NazaraLock(m_mutex)
+
+	if (m_enabled == enable)
+		return;
+
+	m_enabled = enable;
+	if (!m_enabled && m_file)
+	{
+		delete m_file;
+		m_file = nullptr;
+	}
+}
+
+void NzLog::EnableAppend(bool enable)
+{
+	NazaraLock(m_mutex)
+
+	m_append = enable;
+	if (!m_append && m_file)
+	{
+		m_file->Delete();
+		m_file = nullptr;
+	}
+}
+
+void NzLog::EnableDateTime(bool enable)
+{
+	NazaraLock(m_mutex)
+
+	m_writeTime = enable;
+}
+
+NzString NzLog::GetFile() const
+{
+	NazaraLock(m_mutex)
+
+	if (m_file)
+		return m_file->GetFilePath();
+	else
+		return NzString();
+}
+
+bool NzLog::IsEnabled() const
+{
+	NazaraLock(m_mutex)
+
+	return m_enabled;
+}
+
+void NzLog::SetFile(const NzString& filePath)
+{
+	NazaraLock(m_mutex)
+
+	m_filePath = filePath;
+	if (m_file)
+		m_file->SetFile(filePath);
+}
+
+void NzLog::Write(const NzString& string)
+{
+	NazaraLock(m_mutex)
+
+	if (m_enabled)
+	{
+		if (!m_file)
+			m_file = new NzFile(m_filePath, NzFile::Text | NzFile::WriteOnly | ((m_append) ? NzFile::Append : NzFile::Truncate));
+
+		NzString line;
+
+		if (m_writeTime)
+		{
+			line.Reserve(23 + string.GetSize() + 1);
+			line.Resize(23);
+
+			time_t currentTime = std::time(nullptr);
+			std::strftime(&line[0], 24, "%d/%m/%Y - %H:%M:%S: ", std::localtime(&currentTime));
+		}
+		else
+			line.Reserve(string.GetSize() + 1);
+
+		line += string;
+		line += '\n';
+
+		#if NAZARA_CORE_REDIRECT_TO_CERR_ON_LOG_FAILURE
+		if (!m_file->IsOpen() || !m_file->Write(line))
+			std::fputs(line.GetBuffer(), stderr);
+		#else
+		if (m_file->IsOpen())
+			m_file->Write(line);
+		#endif
+	}
+}
+
+void NzLog::WriteError(nzErrorType type, const NzString& error, unsigned int line, const NzString& file, const NzString& func)
+{
+	NzString stream;
+	stream.Reserve(errorType[type].GetSize() + error.GetSize() + 2 + file.GetSize() + 1 + NzGetNumberLength(line) +2 + func.GetSize() + 1);
+	stream += errorType[type];
+	stream += error;
+	stream += " (";
+	stream += file;
+	stream += ':';
+	stream += line;
+	stream += ": ";
+	stream += func;
+	stream += ')';
+	/*NzStringStream stream;
+	stream << errorType[type] << error << " (" << file << ':' << line << ": " << func << ')';*/
+	Write(stream);
+}
+
+NzLog* NzLog::Instance()
+{
+	static NzLog log;
+	return &log;
+}