/usr/include/casacore/casa/Logging/LogFilter.h is in casacore-dev 2.2.0-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | //# LogFilter.h: Filter LogMessages on message priority
//# Copyright (C) 1996,2000,2003
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//#
//# $Id$
#ifndef CASA_LOGFILTER_H
#define CASA_LOGFILTER_H
//# Includes
#include <casacore/casa/aips.h>
#include <casacore/casa/Logging/LogFilterInterface.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
// <summary>
// Filter LogMessages on message priority.
// </summary>
// <use visibility=export>
// <reviewed reviewer="wbrouw" date="1996/08/21" tests="" demos="dLogging.cc" tests="tLogging.cc">
// </reviewed>
// <prerequisite>
// <li> <linkto class="LogMessage">LogMessage</linkto>
// </prerequisite>
//
// <etymology>
// Log[Message] Filter.
// </etymology>
//
// <synopsis>
// The <src>LogFilter</src> class is used by the various log sink classes,
// typically accessed through <linkto class="LogSink">LogSink</linkto>, to
// decide whether a particular <linkto class="LogMessage">LogMessage</linkto>
// should be accepted or rejected.
//
// Simple filtering is based on the messages priority.
// In particular, you typically will choose to only pass messages greater
// than or equal to <src>NORMAL</src> in priority, but you might choose
// <src>DEBUGGING</src> to see all messages, or <src>SEVERE</src> to only see
// messages that report serious problems.
// </synopsis>
//
// <example>
// Suppose we wanted to change the global sink so that it prints all messages,
// including debugging messages:
// <srcblock>
// LogFilter all(LogMessage::DEBUGGING);
// LogSink::globalSink().filter(all);
// </srcblock>
// </example>
//
// <motivation>
// </motivation>
//
//# <todo asof="1996/07/23">
//# </todo>
class LogFilter : public LogFilterInterface
{
public:
// Construct a filter with the LOWEST priority that you want passed. Thus
// <src>DEBUGGING</src> passes everything. Note that it is not possible to
// block <src>SEVERE</src> level messages, although you can use a
// <linkto class="NullLogSink">NullLogSink</linkto> which will have
// this effect.
LogFilter (LogMessage::Priority lowest=LogMessage::NORMAL);
// Copy <src>other</src> to <src>this</src>.
// <group>
LogFilter (const LogFilter& other);
LogFilter& operator= (const LogFilter& other);
// </group>
virtual ~LogFilter();
// Clone the object.
virtual LogFilter* clone() const;
// Return True if <src>message</src> passes this filter.
virtual Bool pass (const LogMessage& message) const;
// Return the lowest priority which will pass this filter.
LogMessage::Priority lowestPriority() const;
private:
LogMessage::Priority lowest_p;
};
inline LogMessage::Priority LogFilter::lowestPriority() const
{
return lowest_p;
}
} //# NAMESPACE CASACORE - END
#endif
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