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