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00028 #ifndef _LOG_H
00029 #define _LOG_H
00030
00031 #include <QObject>
00032 #include <QFile>
00033 #include <QStringList>
00034 #include <QIODevice>
00035 #include <QHostAddress>
00036
00037
00038
00039
00040
00041
00042 class Log
00043 {
00044 public:
00045
00046 enum LogLevel {
00047 Debug = 0,
00048 Info,
00049 Notice,
00050 Warn,
00051 Error,
00052 Off,
00053 Unknown
00054 };
00055 class LogMessage;
00056
00057
00058 Log();
00059
00060 ~Log();
00061
00062
00063
00064 bool open(FILE *file);
00065
00066 bool open(QString file);
00067
00068 void close();
00069
00070 bool isOpen() { return _logFile.isOpen() && _logFile.isWritable(); }
00071
00072 QString errorString() { return _logFile.errorString(); }
00073
00074
00075 void setLogLevel(LogLevel level);
00076
00077 static QStringList logLevels();
00078
00079 static inline QString logLevelToString(LogLevel level);
00080
00081 static LogLevel stringToLogLevel(QString str);
00082
00083
00084
00085
00086
00087 LogMessage log(LogLevel level, QString message);
00088
00089
00090
00091 inline LogMessage log(LogLevel level);
00092
00093 private:
00094 LogLevel _logLevel;
00095 QFile _logFile;
00096 };
00097
00098
00099
00100
00101 class Log::LogMessage
00102 {
00103 public:
00104 struct Stream {
00105 Stream(Log::LogLevel t, QIODevice *o)
00106 : type(t), out(o), ref(1) {}
00107 Log::LogLevel type;
00108 QIODevice *out;
00109 int ref;
00110 QString buf;
00111 } *stream;
00112
00113 inline LogMessage(Log::LogLevel t, QIODevice *o)
00114 : stream(new Stream(t,o)) {}
00115 inline LogMessage(const LogMessage &o)
00116 : stream(o.stream) { ++stream->ref; }
00117 inline QString toString() const;
00118 ~LogMessage();
00119
00120
00121 inline LogMessage &operator<<(const QString &t)
00122 { stream->buf += t; return *this; }
00123 inline LogMessage arg(const QString &a)
00124 { stream->buf = stream->buf.arg(a); return *this; }
00125 inline LogMessage &operator<<(const QHostAddress &a)
00126 { stream->buf += a.toString(); return *this; }
00127 inline LogMessage arg(const QHostAddress &a)
00128 { stream->buf = stream->buf.arg(a.toString()); return *this; }
00129 inline LogMessage &operator<<(short a)
00130 { stream->buf += QString::number(a); return *this; }
00131 inline LogMessage arg(short a)
00132 { stream->buf = stream->buf.arg(a); return *this; }
00133 inline LogMessage &operator<<(ushort a)
00134 { stream->buf += QString::number(a); return *this; }
00135 inline LogMessage arg(ushort a)
00136 { stream->buf = stream->buf.arg(a); return *this; }
00137 inline LogMessage &operator<<(int a)
00138 { stream->buf += QString::number(a); return *this; }
00139 inline LogMessage arg(int a)
00140 { stream->buf = stream->buf.arg(a); return *this; }
00141 inline LogMessage &operator<<(uint a)
00142 { stream->buf += QString::number(a); return *this; }
00143 inline LogMessage arg(uint a)
00144 { stream->buf = stream->buf.arg(a); return *this; }
00145 inline LogMessage &operator<<(long a)
00146 { stream->buf += QString::number(a); return *this; }
00147 inline LogMessage arg(long a)
00148 { stream->buf = stream->buf.arg(a); return *this; }
00149 inline LogMessage &operator<<(ulong a)
00150 { stream->buf += QString::number(a); return *this; }
00151 inline LogMessage arg(ulong a)
00152 { stream->buf = stream->buf.arg(a); return *this; }
00153 inline LogMessage &operator<<(qlonglong a)
00154 { stream->buf += QString::number(a); return *this; }
00155 inline LogMessage arg(qlonglong a)
00156 { stream->buf = stream->buf.arg(a); return *this; }
00157 inline LogMessage &operator<<(qulonglong a)
00158 { stream->buf += QString::number(a); return *this; }
00159 inline LogMessage arg(qulonglong a)
00160 { stream->buf = stream->buf.arg(a); return *this; }
00161 };
00162
00163 #endif
00164