C++ Library containing a lot of needful things: Stack Trace, Command Line Parser, Resource Handling, Configuration Files, Unix Command Execution, Directories, Regular Expressions, Tokenizer, Function Trace, Standard Extensions.
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162 lines
6.1 KiB
162 lines
6.1 KiB
20 years ago
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/** @file
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$Id$
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$Date$
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$Author$
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@copy © Marc Wäckerlin
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@license LGPL, see file <a href="license.html">COPYING</a>
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$Log$
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Revision 1.1 2005/04/07 20:57:36 marc
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initial version
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1 2 3 4 5 6 7 8
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5678901234567890123456789012345678901234567890123456789012345678901234567890
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*/
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#include <log4cxx/propertyconfigurator.h>
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#include <log4cxx/helpers/properties.h>
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#include <fstream>
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namespace mrw {
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/** @addtogroup debug
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*/
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//@{
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/** @defgroup AutoInitLog4cxx Automatically initialize log4cxx
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If you want to enable log4cxx
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(http://logging.apache.org/log4cxx), you have to configure it in
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your application, normally in the main. If you want to configure
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it automatically, without changing a single line in your code
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(e.g. for temporary debugging), simply link to @c
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libmrwlog4cxxconfiguration, either with option @c
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-lmrwlog4cxxconfiguration for single threaded, or with @c
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-lmrwlog4cxxconfiguration-mt for multi threaded applications.
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With @ref trclog4cxx and @ref
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AutoFunctionTrace, you can add tracing based on @c log4cxx,
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without even change a single line in your code. But your code
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still has to initialize @c log4cxx. If you even want to
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automatically initialize @c log4cxx, use this library!
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Configures @c log4cxx in the following way:
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-# if available, read @c log4cxx property file
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(read first file found, in this order)
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-# file specified in environment variable
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@c $MRW_LOG4CXX_CONFIGFILE
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-# <code>.mrwlog4cxx</code> (local file)
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-# <code>~/.mrwlog4cxx</code> (file in user's home)
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-# <code>/etc/mrwlog4cxx</code> (global configuration)
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-# if no configuration file is found, use default configuration:
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@verbatim
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log4j.rootLogger = DEBUG, A1
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log4j.logger.mrw.fn = DEBUG, A1
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log4j.logger.mrw.fn.log4cxx = OFF, A1
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log4j.logger.mrw.fn.boost = OFF, A1
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log4j.logger.mrw.fn.Thread = OFF, A1
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log4j.logger.mrw.fn.QString = OFF, A1
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log4j.logger.mrw.fn.QShared = OFF, A1
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log4j.logger.mrw.fn.QWidget = OFF, A1
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log4j.logger.mrw.fn.mrw = OFF, A1
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log4j.logger.mrw.fn.std = OFF, A1
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log4j.logger.mrw.fn.new = OFF, A1
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log4j.logger.mrw.fn.CppUnit = OFF, A1
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log4j.logger.mrw.fn.__gnu_cxx = OFF, A1
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log4j.appender.A1 = org.apache.log4j.ConsoleAppender
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log4j.appender.A1.layout = org.apache.log4j.PatternLayout
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@endverbatim
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and for multi threaded programs in addition:
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@verbatim
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log4j.appender.A1.layout.ConversionPattern = t-%-60c%m%n
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@endverbatim
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on the other hand, single threaded programs are formatted as:
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@verbatim
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log4j.appender.A1.layout.ConversionPattern = 60c%m%n
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@endverbatim
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This results in the following behaviour:
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- trace to console
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- format as...
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- @c "%t-%-60c%m%n" if threaded
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- @c "%-60c%m%n" if not threaded
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- enable all tracing to @c DEBUG
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- enable tracing of @ref AutoFunctionTrace
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- disable function trace for @c log4cxx
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- disable function trace for @c boost
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- disable function trace for @c Qt base classes
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- disable function trace for @c libmrw
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- disable function trace for @c std and @c new
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- disable function trace for @c CppUnit
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- disable function trace for @c gcc internals
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*/
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//@{
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class InitLog4cxx {
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public:
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InitLog4cxx() {
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std::string logconfigfile;
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char* c(getenv("MRW_LOG4CXX_CONFIGFILE"));
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if (c && std::ifstream(c))
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logconfigfile = c;
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else if (std::ifstream(".mrwlog4cxx"))
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logconfigfile = ".mrwlog4cxx";
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else if ((c=getenv("HOME")) &&
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std::ifstream((std::string(c)+"/.mrwlog4cxx").c_str()))
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logconfigfile = std::string(c)+"/.mrwlog4cxx";
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else if (std::ifstream("/etc/mrwlog4cxx"))
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logconfigfile = "/etc/mrwlog4cxx";
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if (logconfigfile.size()) {
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log4cxx::PropertyConfigurator::configure(logconfigfile);
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return;
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}
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log4cxx::helpers::Properties properties;
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properties.setProperty("log4j.rootLogger",
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"DEBUG, A1");
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properties.setProperty("log4j.logger.mrw.fn",
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"DEBUG, A1");
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properties.setProperty("log4j.logger.mrw.fn.log4cxx",
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"OFF, A1");
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properties.setProperty("log4j.logger.mrw.fn.boost",
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"OFF, A1");
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properties.setProperty("log4j.logger.mrw.fn.Thread",
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"OFF, A1");
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properties.setProperty("log4j.logger.mrw.fn.QString",
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"OFF, A1");
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properties.setProperty("log4j.logger.mrw.fn.QShared",
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"OFF, A1");
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properties.setProperty("log4j.logger.mrw.fn.QWidget",
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"OFF, A1");
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properties.setProperty("log4j.logger.mrw.fn.mrw",
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"OFF, A1");
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properties.setProperty("log4j.logger.mrw.fn.std",
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"OFF, A1");
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properties.setProperty("log4j.logger.mrw.fn.new",
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"OFF, A1");
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properties.setProperty("log4j.logger.mrw.fn.CppUnit",
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"OFF, A1");
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properties.setProperty("log4j.logger.mrw.fn.__gnu_cxx",
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"OFF, A1");
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properties.setProperty("log4j.appender.A1",
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"org.apache.log4j.ConsoleAppender");
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properties.setProperty("log4j.appender.A1.layout",
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"org.apache.log4j.PatternLayout");
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#ifdef _REENTRANT
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properties.setProperty("log4j.appender.A1.layout.ConversionPattern",
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"%t-%-60c%m%n");
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#else
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properties.setProperty("log4j.appender.A1.layout.ConversionPattern",
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"%-60c%m%n");
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#endif
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log4cxx::PropertyConfigurator::configure(properties);
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}
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};
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static InitLog4cxx INIT_LOG4CXX;
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//@}
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//@}
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};
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