|
/* ///////////////////////////////////////////////////////////////////////// * File: examples/cpp/frontends/example.cpp.frontends.custom/example.cpp.frontends.custom.cpp * * Purpose: C++ example program for Pantheios. Demonstrates: * * - definition of a custom front-end that supports tabbed output * - use of pantheios::logputs() in bail-out conditions * * Created: 31st August 2006 * Updated: 7th December 2010 * * www: http://www.pantheios.org/ * * License: This source code is placed into the public domain 2006 * by Synesis Software Pty Ltd. There are no restrictions * whatsoever to your use of the software. * * This software is provided "as is", and any warranties, * express or implied, of any kind and for any purpose, are * disclaimed. * * ////////////////////////////////////////////////////////////////////// */ #define PANTHEIOS_NO_INCLUDE_OS_AND_3PTYLIB_STRING_ACCESS // Faster compilation /* Pantheios Header Files */ #include <pantheios/pantheios.hpp> // Pantheios C++ main header #include <pantheios/frontend.h> /* Standard C/C++ Header Files */ #include <exception> // for std::exception #include <new> // for std::bad_alloc #include <string> // for std::string #include <stdlib.h> // for exit codes, atoi() #ifndef PANTHEIOS_DOCUMENTATION_SKIP_SECTION # if defined(STLSOFT_COMPILER_IS_MSVC) # pragma warning(disable : 4702) # endif /* compiler */ #endif /* !PANTHEIOS_DOCUMENTATION_SKIP_SECTION */ /* ////////////////////////////////////////////////////////////////////// */ namespace { // By default, we will log everything at NOTICE and below (remember that // they get more serious as the values get lower). static int s_severityCeiling = pantheios::notice; } // anonymous namespace /* ////////////////////////////////////////////////////////////////////// */ #define PSTR(x) PANTHEIOS_LITERAL_STRING(x) /* ////////////////////////////////////////////////////////////////////// */ // USAGE: [<severity-ceiling>] // // where: // <severity-ceiling> - a number between 0 and 7, which sets the maximum level // displayed, or -1 to suppress all output. int main(int argc, char **argv) { if(argc > 1) { s_severityCeiling = ::atoi(argv[1]); } try { pantheios::log_DEBUG(PSTR("debug statement")); pantheios::log_INFORMATIONAL(PSTR("informational statement")); pantheios::log_NOTICE(PSTR("notice statement")); pantheios::log_WARNING(PSTR("warning statement")); pantheios::log_ERROR(PSTR("error statement")); pantheios::log_CRITICAL(PSTR("critical statement")); pantheios::log_ALERT(PSTR("alert statement")); pantheios::log_EMERGENCY(PSTR("emergency statement")); return EXIT_SUCCESS; } catch(std::bad_alloc&) { pantheios::log(pantheios::alert, PSTR("out of memory")); } catch(std::exception& x) { pantheios::log_CRITICAL(PSTR("Exception: "), x); } catch(...) { pantheios::logputs(pantheios::emergency, PSTR("Unexpected unknown error")); } return EXIT_FAILURE; } /* ////////////////////////////////////////////////////////////////////// */ PANTHEIOS_CALL(int) pantheios_fe_init( void* /* reserved */ , void** ptoken) { *ptoken = NULL; return 0; } PANTHEIOS_CALL(void) pantheios_fe_uninit(void* /* token */) {} PANTHEIOS_CALL(PAN_CHAR_T const*) pantheios_fe_getProcessIdentity(void* /* token */) { return PSTR("example.cpp.frontends.custom"); } PANTHEIOS_CALL(int) pantheios_fe_isSeverityLogged( void* /* token */ , int severity , int /* backEndId */) { return severity <= s_severityCeiling; } /* ///////////////////////////// end of file //////////////////////////// */
|
|
pantheios Library documentation © Matthew Wilson & Synesis Software, 2006-2011 |