QtApplets-Log4QtDemo-工程

/****************************************************************************** * * package: Log4Qt * file: patternformatter.cpp * created: September 2007 * author: Martin Heinrich * * * changes Feb 2009, Martin Heinrich * - Fixed VS 2008 unreferenced formal parameter warning by using * Q_UNUSED in LiteralPatternConverter::convert. * * * Copyright 2007 - 2009 Martin Heinrich * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /****************************************************************************** * Dependencies ******************************************************************************/ #include "log4qt/helpers/patternformatter.h" #include <QtCore/QString> #include <QtCore/QDebug> #include <limits.h> #include "log4qt/helpers/datetime.h" #include "log4qt/helpers/logerror.h" #include "log4qt/layout.h" #include "log4qt/logger.h" #include "log4qt/loggingevent.h" namespace Log4Qt { /************************************************************************** *Declarations **************************************************************************/ /*! * \brief The class FormattingInfo stores the formatting modifier for a * pattern converter. * * \sa PatternConverter */ class FormattingInfo { public: FormattingInfo() { clear(); } // FormattingInfo(const FormattingInfo &rOther); // Use compiler default // virtual ~FormattingInfo(); // Use compiler default // FormattingInfo &operator=(const FormattingInfo &rOther); // Use compiler default void clear(); static QString intToString(int i); public: int mMinLength; int mMaxLength; bool mLeftAligned; }; /*! * \brief The class PatternConverter is the abstract base class for all * pattern converters. * * PatternConverter handles the minimum and maximum modifier for a * conversion character. The actual conversion is by calling the * convert() member function of the derived class. * * \sa PatternLayout::format() */ class PatternConverter { public: PatternConverter(const FormattingInfo &rFormattingInfo = FormattingInfo()) : mFormattingInfo(rFormattingInfo) {}; virtual ~PatternConverter() {}; private: PatternConverter(const PatternConverter &rOther); // Not implemented PatternConverter &operator=(const PatternConverter &rOther); // Not implemented public: void format(QString &rFormat, const LoggingEvent &rLoggingEvent) const; protected: virtual QString convert(const LoggingEvent &rLoggingEvent) const = 0; #ifndef QT_NO_DEBUG_STREAM virtual QDebug debug(QDebug &rDebug) const = 0; friend QDebug operator<<(QDebug, const PatternConverter &rPatternConverter); #endif protected: FormattingInfo mFormattingInfo; }; /*! * \brief The class BasicPatternConverter converts several members of a * LoggingEvent to a string. * * BasicPatternConverter is used by PatternLayout to convert members that * do not reuquire additional formatting to a string as part of formatting * the LoggingEvent. It handles the following conversion characters: * 'm', 'p', 't', 'x' * * \sa PatternLayout::format() * \sa PatternConverter::format() */ class BasicPatternConverter : public PatternConverter { public: enum Type { MESSAGE_CONVERTER, NDC_CONVERTER, LEVEL_CONVERTER, THREAD_CONVERTER, }; public: BasicPatternConverter(const FormattingInfo &rFormattingInfo, Type type) : PatternConverter(rFormattingInfo), mType(type) {}; // virtual ~BasicPatternConverter(); // Use compiler default private: BasicPatternConverter(const BasicPatternConverter &rOther); // Not implemented BasicPatternConverter &operator=(const BasicPatternConverter &rOther); // Not implemented protected: virtual QString convert(const LoggingEvent &rLoggingEvent) const; #ifndef QT_NO_DEBUG_STREAM virtual QDebug debug(QDebug &rDebug) const; #endif private: Type mType; }; /*! * \brief The class DatePatternConverter converts the time stamp of a * LoggingEvent to a string. * * DatePatternConverter is used by PatternLayout to convert the time stamp * of a LoggingEvent to a string as part of formatting the LoggingEvent. * It handles the 'd' and 'r' conversion character. * * \sa PatternLayout::format() * \sa PatternConverter::format() */ class DatePatternConverter : public PatternConverter { public: DatePatternConverter(const FormattingInfo &rFormattingInfo, const QString &rFormat) : PatternConverter(rFormattingInfo), mFormat(rFormat) {}; // virtual ~DatePatternConverter(); // Use compiler default private: DatePatternConverter(const DatePatternConverter &rOther); // Not implemented DatePatternConverter &operator=(const DatePatternConverter &rOther); // Not implemented protected: virtual QString convert(const LoggingEvent &rLoggingEvent) const; #ifndef QT_NO_DEBUG_STREAM virtual QDebug debug(QDebug &rDebug) const; #endif private: QString mFormat; }; /*! * \brief The class LiteralPatternConverter provides string literals. * * LiteralPatternConverter is used by PatternLayout to embed string * literals as part of formatting the LoggingEvent. It handles string * literals and the 'n' conversion character. * * \sa PatternLayout::format() * \sa PatternConverter::format() */ class LiteralPatternConverter : public PatternConverter { public: LiteralPatternConverter(const QString &rLiteral) : PatternConverter(), mLiteral(rLiteral) {}; // virtual ~LiteralPatternConverter(); // Use compiler default private: LiteralPatternConverter(const LiteralPatternConverter &rOther); // Not implemented LiteralPatternConverter &operator=(const LiteralPatternConverter &rOther); // Not implemented protected: virtual QString convert(const LoggingEvent &rLoggingEvent) const; #ifndef QT_NO_DEBUG_STREAM virtual QDebug debug(QDebug &rDebug) const; #endif private: QString mLiteral; }; /*! * \brief The class LoggerPatternConverter converts the Logger name of a * LoggingEvent to a string. * * LoggerPatternConverter is used by PatternLayout to convert the Logger * name of a LoggingEvent to a string as part of formatting the * LoggingEvent. It handles the 'c' conversion character. * * \sa PatternLayout::format() * \sa PatternConverter::format() */ class LoggerPatternConverter : public PatternConverter { public: LoggerPatternConverter(const FormattingInfo &rFormattingInfo, int precision) : PatternConverter(rFormattingInfo), mPrecision(precision) {}; // virtual ~LoggerPatternConverter(); // Use compiler default private: LoggerPatternConverter(const LoggerPatternConverter &rOther); // Not implemented LoggerPatternConverter &operator=(const LoggerPatternConverter &rOther); // Not implemented protected: virtual QString convert(const LoggingEvent &rLoggingEvent) const; #ifndef QT_NO_DE