Replace potentially unterminated std::string::data() for pre-c++11

QsLog/QsLog.h

@@ -0,0 +1,137 @@
+// Copyright (c) 2013, Razvan Petru
+// All rights reserved.
+
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+
+// * Redistributions of source code must retain the above copyright notice, this
+//   list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright notice, this
+//   list of conditions and the following disclaimer in the documentation and/or other
+//   materials provided with the distribution.
+// * The name of the contributors may not be used to endorse or promote products
+//   derived from this software without specific prior written permission.
+
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+// OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef QSLOG_H
+#define QSLOG_H
+
+#include "QsLogLevel.h"
+#include "QsLogDest.h"
+#include <QDebug>
+#include <QString>
+
+#define QS_LOG_VERSION "2.0b3"
+
+namespace QsLogging
+{
+class Destination;
+class LoggerImpl; // d pointer
+
+class QSLOG_SHARED_OBJECT Logger
+{
+public:
+    static Logger& instance();
+    static void destroyInstance();
+    static Level levelFromLogMessage(const QString& logMessage, bool* conversionSucceeded = 0);
+
+    ~Logger();
+
+    //! Adds a log message destination. Don't add null destinations.
+    void addDestination(DestinationPtr destination);
+    //! Logging at a level < 'newLevel' will be ignored
+    void setLoggingLevel(Level newLevel);
+    //! The default level is INFO
+    Level loggingLevel() const;
+
+    //! The helper forwards the streaming to QDebug and builds the final
+    //! log message.
+    class QSLOG_SHARED_OBJECT Helper
+    {
+    public:
+        explicit Helper(Level logLevel) :
+            level(logLevel),
+            qtDebug(&buffer) {}
+        ~Helper();
+        QDebug& stream(){ return qtDebug; }
+
+    private:
+        void writeToLog();
+
+        Level level;
+        QString buffer;
+        QDebug qtDebug;
+    };
+
+private:
+    Logger();
+    Logger(const Logger&);            // not available
+    Logger& operator=(const Logger&); // not available
+
+    void enqueueWrite(const QString& message, Level level);
+    void write(const QString& message, Level level);
+
+    LoggerImpl* d;
+
+    friend class LogWriterRunnable;
+};
+
+} // end namespace
+
+//! Logging macros: define QS_LOG_LINE_NUMBERS to get the file and line number
+//! in the log output.
+#ifndef QS_LOG_LINE_NUMBERS
+#define QLOG_TRACE() \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::TraceLevel) {} \
+    else QsLogging::Logger::Helper(QsLogging::TraceLevel).stream()
+#define QLOG_DEBUG() \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::DebugLevel) {} \
+    else QsLogging::Logger::Helper(QsLogging::DebugLevel).stream()
+#define QLOG_INFO()  \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::InfoLevel) {} \
+    else QsLogging::Logger::Helper(QsLogging::InfoLevel).stream()
+#define QLOG_WARN()  \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::WarnLevel) {} \
+    else QsLogging::Logger::Helper(QsLogging::WarnLevel).stream()
+#define QLOG_ERROR() \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::ErrorLevel) {} \
+    else QsLogging::Logger::Helper(QsLogging::ErrorLevel).stream()
+#define QLOG_FATAL() \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::FatalLevel) {} \
+    else QsLogging::Logger::Helper(QsLogging::FatalLevel).stream()
+#else
+#define QLOG_TRACE() \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::TraceLevel) {} \
+    else  QsLogging::Logger::Helper(QsLogging::TraceLevel).stream() << __FILE__ << '@' << __LINE__
+#define QLOG_DEBUG() \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::DebugLevel) {} \
+    else QsLogging::Logger::Helper(QsLogging::DebugLevel).stream() << __FILE__ << '@' << __LINE__
+#define QLOG_INFO()  \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::InfoLevel) {} \
+    else QsLogging::Logger::Helper(QsLogging::InfoLevel).stream() << __FILE__ << '@' << __LINE__
+#define QLOG_WARN()  \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::WarnLevel) {} \
+    else QsLogging::Logger::Helper(QsLogging::WarnLevel).stream() << __FILE__ << '@' << __LINE__
+#define QLOG_ERROR() \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::ErrorLevel) {} \
+    else QsLogging::Logger::Helper(QsLogging::ErrorLevel).stream() << __FILE__ << '@' << __LINE__
+#define QLOG_FATAL() \
+    if (QsLogging::Logger::instance().loggingLevel() > QsLogging::FatalLevel) {} \
+    else QsLogging::Logger::Helper(QsLogging::FatalLevel).stream() << __FILE__ << '@' << __LINE__
+#endif
+
+#ifdef QS_LOG_DISABLE
+#include "QsLogDisableForThisFile.h"
+#endif
+
+#endif // QSLOG_H