C++ ArgParse::errmsg方法代码示例

int main( int argc, const char** argv )
{
	ArgParse ap;
	RtFilterFunc filterfunc;
	float bake;

	ap.usageHeader( ArgParse::apstring( "Usage: " ) + argv[ 0 ] + " [options] infile outfile" );
	ap.argFlag( "help", "\aPrint this help and exit", &g_help );
	ap.alias( "help" , "h" );
	ap.argFlag( "version", "\aPrint version information and exit", &g_version );
	ap.argInt( "verbose", "=integer\aSet log output level\n"
		"\a0 = errors\n"
		"\a1 = warnings (default)\n"
		"\a2 = information\n"
		"\a3 = debug", &g_cl_verbose );
	ap.alias( "verbose" , "v" );
	ap.argString( "compression", "=string\a[none|lzw|packbits|deflate] (default: %default)", &g_compress );
	ap.argFlag( "envcube", " px nx py ny pz nz\aproduce a cubeface environment map from 6 images.", &g_envcube );
	ap.argFlag( "envlatl", "\aproduce a latlong environment map from an image file.", &g_envlatl );
	ap.argFlag( "shadow", "\aproduce a shadow map from a z file.", &g_shadow );
	ap.argString( "swrap", "=string\as wrap [black|periodic|clamp] (default: %default)", &g_swrap );
	ap.argString( "smode", "=string\a(equivalent to swrap for BMRT compatibility)", &g_swrap );
	ap.argString( "twrap", "=string\at wrap [black|periodic|clamp] (default: %default)", &g_twrap );
	ap.argString( "tmode", "=string\a(equivalent to twrap for BMRT compatibility)", &g_swrap );
	ap.argString( "wrap", "=string\awrap s&t [black|periodic|clamp]", &g_wrap );
	ap.argString( "mode", "=string\as (equivalent to wrap for BMRT compatibility)", &g_wrap );
	ap.argString( "filter", "=string\a[box|bessel|catmull-rom|disk|gaussian|sinc|triangle|mitchell] (default: %default)", &g_filter );
	ap.argFloat( "fov(envcube)", "=float\a[>=0.0f] (default: %default)", &g_fov );
	ap.argFloat( "swidth", "=float\as width [>0.0f] (default: %default)", &g_swidth );
	ap.alias( "swidth", "sfilterwidth" );
	ap.argFloat( "twidth", "=float\at width [>0.0f] (default: %default)", &g_twidth );
	ap.alias( "twidth", "tfilterwidth" );
	ap.argFloat( "width", "=float\awidth [>0.0f] set both swidth and twidth (default: %default)", &g_width );
	ap.alias( "width", "filterwidth" );
	ap.argFloat( "quality", "=float\a[>=1.0f && <= 100.0f] (default: %default)", &g_quality );
	ap.argFloat( "bake", "=float\a[>=2.0f && <= 2048.0f] (default: %default)", &g_bake );
	ap.argString( "resize", "=string\a[up|down|round|up-|down-|round-] (default: %default)\n\aNot used, for BMRT compatibility only!", &g_resize );


	if ( argc > 1 && !ap.parse( argc - 1, argv + 1 ) )
	{
		Aqsis::log() << ap.errmsg() << std::endl << ap.usagemsg();
		exit( 1 );
	}

	if ( g_version )
	{
		version( std::cout );
		exit( 0 );
	}

	if ( g_help || ap.leftovers().size() <= 1 )
	{
		std::cout << ap.usagemsg();
		exit( 0 );
	}

	if ( g_envcube && g_shadow )
	{
		std::cout << "Specify only one of envcube or shadow" << std::endl;
		exit( 1 );
	}


	/* find the pixel's filter function */
	filterfunc = RiBoxFilter;
	if ( g_filter == "box" )
		filterfunc = RiBoxFilter;
	else if ( g_filter == "mitchell" )
		filterfunc = RiMitchellFilter;
	else if ( g_filter == "sinc" )
		filterfunc = RiSincFilter;
	else if ( g_filter == "catmull-rom" )
		filterfunc = RiCatmullRomFilter;
	else if ( g_filter == "disk" )
		filterfunc = RiDiskFilter;
	else if ( g_filter == "bessel" )
		filterfunc = RiBesselFilter;
	else if ( g_filter == "triangle" )
		filterfunc = RiTriangleFilter;
	else if ( g_filter == "gaussian" )
		filterfunc = RiGaussianFilter;



	/* protect the s,t width */
	if ( g_swidth < 1.0 )
	{
		Aqsis::log() << "g_swidth is smaller than 1.0." << " 1.0 will be used instead." << std::endl;
		g_swidth = 1.0;
	}
	if ( g_twidth < 1.0 )
	{
		Aqsis::log() << "g_twidth is smaller than 1.0." << " 1.0 will be used instead." << std::endl;
		g_twidth = 1.0;
	}

	/* protect the s,t wrap mode */
	if ( !( ( g_swrap == "black" ) || ( g_swrap == "periodic" ) || ( g_swrap == "clamp" ) ) )
	{
//.........这里部分代码省略.........

int main( int argc, const char** argv )
{
	std::signal(SIGINT, aqsisSignalHandler);
	std::signal(SIGABRT, aqsisSignalHandler);
	RtInt returnCode = 0;

	StartMemoryDebugging();
	{
		ArgParse ap;
		ap.usageHeader( ArgParse::apstring( "Aqsis command line renderer\nUsage: " ) + argv[ 0 ] + " [options] [RIB file...]" );
		ap.argFlag( "help", "\aPrint this help and exit", &g_cl_help );
		ap.alias( "help" , "h" );
		ap.argFlag( "version", "\aPrint version information and exit", &g_cl_version );
		ap.argFlag( "pause", "\aWait for a keypress on completion", &g_cl_pause );
		ap.argFlag( "progress", "\aPrint progress information", &g_cl_progress );
		ap.argFlag( "Progress", "\aPrint PRMan-compatible progress information (ignores -progressformat)", &g_cl_Progress );
		ap.argString( "progressformat", "=string\aprintf-style format string for -progress", &g_cl_strprogress );
		ap.argInt( "endofframe", "=integer\aEquivalent to \"endofframe\" RIB option", &g_cl_endofframe );
		ap.argInt( "verbose", "=integer\aSet log output level\n"
		           "\a0 = errors\n"
		           "\a1 = warnings (default)\n"
		           "\a2 = information\n"
		           "\a3 = debug", &g_cl_verbose );
		ap.alias( "verbose", "v" );
		ap.argFlag( "echoapi", "\aEcho all RI API calls to the log output (experimental)", &g_cl_echoapi);

		ap.argInt( "priority", "=integer\aControl the priority class of aqsis.\n"
			"\a0 = idle\n"
			"\a1 = normal\n"
			"\a2 = high\n"
			"\a3 = RT", &g_cl_priority);
		ap.alias( "priority", "z");
		
		ap.argString( "type", "=string\aSpecify a display device type to use", &g_cl_type );
		ap.argString( "addtype", "=string\aSpecify a display device type to add", &g_cl_addtype );
		ap.argString( "mode", "=string\aSpecify a display device mode to use", &g_cl_mode );
		ap.argFlag( "fb", "\aSame as --type=\"framebuffer\" --mode=\"rgb\"", &g_cl_fb );
		ap.alias( "fb", "d" );
		ap.argFloats( "crop", " x1 x2 y1 y2\aSpecify a crop window, values are in screen space.", &g_cl_cropWindow, ArgParse::SEP_ARGV, 4);
		ap.argFlag( "nocolor", "\aDisable colored output", &g_cl_no_color );
		ap.argFlag( "beep", "\aBeep on completion of all ribs", &g_cl_beep );
		ap.alias( "nocolor", "nc" );
		ap.argInts( "res", " x y\aSpecify the resolution of the render.", &g_cl_res, ArgParse::SEP_ARGV, 2);
		ap.argStrings( "option", "=string\aA valid RIB Option string, can be specified multiple times.", &g_cl_options);
#		ifdef AQSIS_SYSTEM_POSIX
		ap.argFlag( "syslog", "\aLog messages to syslog", &g_cl_syslog );
#		endif // AQSIS_SYSTEM_POSIX
#		if ENABLE_MPDUMP
		ap.argFlag( "mpdump", "\aOutput MP list to a custom 'dump' file", &g_cl_mpdump );
#		endif // ENABLE_MPDUMP

		ap.argString( "shaders", "=string\aOverride the default shader searchpath(s)", &g_cl_shader_path );
		ap.argString( "archives", "=string\aOverride the default archive searchpath(s)", &g_cl_archive_path );
		ap.argString( "textures", "=string\aOverride the default texture searchpath(s)", &g_cl_texture_path );
		ap.argString( "displays", "=string\aOverride the default display searchpath(s)", &g_cl_display_path );
		ap.argString( "procedurals", "=string\aOverride the default procedural searchpath(s)", &g_cl_procedural_path );
		ap.allowUnrecognizedOptions();

		if ( argc > 1 && !ap.parse( argc - 1, argv + 1 ) )
		{
			Aqsis::log() << ap.errmsg() << std::endl << ap.usagemsg();
			return( 1 );
		}

		// Check that the number of arguments to crop are valid if specified.
		if ( g_cl_cropWindow.size() > 0 && g_cl_cropWindow.size() != 4 )
		{
			Aqsis::log() << Aqsis::error << "Invalid number of arguments to -crop, expected 4, got " << g_cl_cropWindow.size() << std::endl;
			g_cl_help = true;
		}

		if ( g_cl_help )
		{
			std::cout << ap.usagemsg();
			return( 0 );
		}

		if ( g_cl_version )
		{
			std::cout << "aqsis version " << AQSIS_VERSION_STR_FULL
#			ifdef _DEBUG
			<< " (debug build)"
#			endif
			<< "\n"
			<< "compiled " << __DATE__ << " " << __TIME__ << "\n";
			return( 0 );
		}

#		ifdef	AQSIS_SYSTEM_WIN32
		std::auto_ptr<std::streambuf> ansi( new Aqsis::ansi_buf(Aqsis::log()) );
#		endif

		std::auto_ptr<std::streambuf> reset_level( new Aqsis::reset_level_buf(Aqsis::log()) );
		std::auto_ptr<std::streambuf> show_timestamps( new Aqsis::timestamp_buf(Aqsis::log()) );
		std::auto_ptr<std::streambuf> fold_duplicates( new Aqsis::fold_duplicates_buf(Aqsis::log()) );
		std::auto_ptr<std::streambuf> color_level;
		if(!g_cl_no_color)
		{
			std::auto_ptr<std::streambuf> temp_color_level( new Aqsis::color_level_buf(Aqsis::log()) );
			color_level = temp_color_level;
//.........这里部分代码省略.........

int main( int argc, const char** argv )
{

#ifdef	AQSIS_SYSTEM_WIN32
	char acPath[256];
	char rootPath[256];
	if( GetModuleFileName( NULL, acPath, 256 ) != 0)
	{
		// guaranteed file name of at least one character after path
		*( strrchr( acPath, '\\' ) + 1 ) = '\0';
		std::string	 stracPath(acPath);
		stracPath.append("..\\");
		_fullpath(rootPath,&stracPath[0],256);
	}
	g_shader_path = rootPath;
	g_shader_path.append( "shaders" );
#elif defined(AQSIS_SYSTEM_MACOSX)
#else

	g_shader_path = AQSIS_XSTR(DEFAULT_SHADER_PATH);
#endif

	/*Aqsis::QGetRenderContextI();*/
	ArgParse ap;
	ap.usageHeader( ArgParse::apstring( "Usage: " ) + argv[ 0 ] + " <shadername>" );
	ap.argFlag( "help", "\aPrint this help and exit", &g_cl_help );
	ap.alias( "help" , "h" );
	ap.argFlag( "version", "\aPrint version information and exit", &g_cl_version );
	ap.argString( "shaders", "=string\aOverride the default shader searchpath(s) [" + g_shader_path + "]", &g_cl_shader_path );

	if ( argc > 1 && !ap.parse( argc - 1, argv + 1 ) )
	{
		Aqsis::log() << ap.errmsg() << std::endl << ap.usagemsg();
		exit( 1 );
	}

	if ( g_cl_help )
	{
		std::cout << ap.usagemsg();
		exit( 0 );
	}

	if ( g_cl_version )
	{
		std::cout << "aqsltell version " << AQSIS_VERSION_STR_FULL << std::endl << "compiled " << __DATE__ << " " << __TIME__ << std::endl;
		exit( 0 );
	}

	// Apply environment-variable overrides to default paths ...
	if(getenv("AQSIS_SHADER_PATH"))
		g_shader_path = getenv("AQSIS_SHADER_PATH");

	// Apply command-line overrides to default paths ...
	if(!g_cl_shader_path.empty())
		g_shader_path = g_cl_shader_path;

	// Any leftovers are presumed to be shader names.
	if ( ap.leftovers().size() == 0 )     // If no files specified, take input from stdin.
	{
		Aqsis::log() << ap.errmsg() << std::endl << ap.usagemsg();
		exit( 1 );
	}
	else
	{
		for ( ArgParse::apstringvec::const_iterator e = ap.leftovers().begin(); e != ap.leftovers().end(); e++ )
		{
			SLX_SetPath( const_cast<char*>( g_shader_path.c_str() ) );
			SLX_SetDSOPath( const_cast<char*>( g_shader_path.c_str() ) );
			Slo_SetShader( ( char* ) e->c_str() );

			if ( SLX_SetShader( ( char* ) e->c_str() ) == 0 )
			{
				// SLX_SetShader successful
				int	nArgs;
				int i;
				SLX_VISSYMDEF * symPtr;

				std::cout << SLX_TypetoStr( SLX_GetType() ) << " \"" << Slo_GetName() << "\"" << std::endl;
				nArgs = SLX_GetNArgs();

				for ( i = 0; i < nArgs; i++ )
				{
					symPtr = SLX_GetArgById( i );
					if ( symPtr != NULL )
					{
						TqInt arrayLen = 1;
						if ( symPtr->svd_arraylen != 0 )
							arrayLen = symPtr->svd_arraylen;

						std::cout << "    \"" << symPtr->svd_name << "\" \"parameter " <<
						SLX_DetailtoStr( symPtr->svd_detail ) << " " <<
						SLX_TypetoStr( symPtr->svd_type );

						if ( symPtr->svd_arraylen != 0 )
							std::cout << "[" << arrayLen << "]";

						std::cout << "\"" << std::endl;

						TqInt arrayIndex;
						for ( arrayIndex = 0; arrayIndex < arrayLen; arrayIndex++ )
//.........这里部分代码省略.........

/** Process the sl file from stdin and produce an slx bytestream.
 */
int main( int argc, const char** argv )
{
	ArgParse ap;
	boost::scoped_ptr<IqCodeGen> codeGenerator;
	bool error = false; ///! Couldn't compile shader

	ap.usageHeader( ArgParse::apstring( "Usage: " ) + argv[ 0 ] + " [options] <filename>" );
	ap.argString( "o", " %s \aspecify output filename", &g_stroutname );
	ap.argStrings( "i", "%s \aSet path for #include files.", &g_includes );
	ap.argStrings( "I", "%s \aSet path for #include files.", &g_includes );
	ap.argStrings( "D", "Sym[=value] \adefine symbol <string> to have value <value> (default: 1).", &g_defines );
	ap.argStrings( "U", "Sym \aUndefine an initial symbol.", &g_undefines );
	ap.argString( "backend", " %s \aCompiler backend (default %default).  Possibilities include \"slx\" or \"dot\":\a"
			      "slx - produce a compiled shader (in the aqsis shader VM stack language)\a"
				  "dot - make a graphviz visualization of the parse tree (useful for debugging only).", &g_backendName );
	ap.argFlag( "help", "\aPrint this help and exit", &g_help );
	ap.alias("help", "h");
	ap.argFlag( "version", "\aPrint version information and exit", &g_version );
	ap.argFlag( "nocolor", "\aDisable colored output", &g_cl_no_color );
	ap.alias( "nocolor" , "nc" );
	ap.argFlag( "d", "\adump sl data", &g_dumpsl );
	ap.argInt( "verbose", "=integer\aSet log output level\n"
			   "\a0 = errors\n"
			   "\a1 = warnings (default)\n"
			   "\a2 = information\n"
			   "\a3 = debug", &g_cl_verbose );
	ap.alias( "verbose", "v" );

	if ( argc > 1 && !ap.parse( argc - 1, argv + 1 ) )
	{
		Aqsis::log() << ap.errmsg() << std::endl << ap.usagemsg();
		exit( 1 );
	}

	if ( g_version )
	{
		version( std::cout );
		exit( 0 );
	}

	if ( g_help )
	{
		std::cout << ap.usagemsg();
		exit( 0 );
	}

#ifdef	AQSIS_SYSTEM_WIN32
	std::auto_ptr<std::streambuf> ansi( new Aqsis::ansi_buf(Aqsis::log()) );
#endif

	std::auto_ptr<std::streambuf> reset_level( new Aqsis::reset_level_buf(Aqsis::log()) );
	std::auto_ptr<std::streambuf> show_timestamps( new Aqsis::timestamp_buf(Aqsis::log()) );
	std::auto_ptr<std::streambuf> fold_duplicates( new Aqsis::fold_duplicates_buf(Aqsis::log()) );
	std::auto_ptr<std::streambuf> color_level;
	if(!g_cl_no_color)
	{
		std::auto_ptr<std::streambuf> temp_color_level( new Aqsis::color_level_buf(Aqsis::log()) );
		color_level = temp_color_level;
	}
	std::auto_ptr<std::streambuf> show_level( new Aqsis::show_level_buf(Aqsis::log()) );
	Aqsis::log_level_t level = Aqsis::ERROR;
	if( g_cl_verbose > 0 )
		level = Aqsis::WARNING;
	if( g_cl_verbose > 1 )
		level = Aqsis::INFO;
	if( g_cl_verbose > 2 )
		level = Aqsis::DEBUG;
	std::auto_ptr<std::streambuf> filter_level( new Aqsis::filter_by_level_buf(level, Aqsis::log()) );
#ifdef	AQSIS_SYSTEM_POSIX

	if( g_cl_syslog )
		std::auto_ptr<std::streambuf> use_syslog( new Aqsis::syslog_buf(Aqsis::log()) );
#endif	// AQSIS_SYSTEM_POSIX

	if ( ap.leftovers().size() == 0 )
	{
		std::cout << ap.usagemsg();
		exit( 0 );
	}
	else
	{
		for ( ArgParse::apstringvec::const_iterator e = ap.leftovers().begin(); e != ap.leftovers().end(); e++ )
		{
			//Expand filenames
			std::vector<std::string> files = Aqsis::cliGlob(*e);
			std::vector<std::string>::iterator it;
			for(it = files.begin(); it != files.end(); ++it){ 
				ResetParser();
				// Create a code generator for the requested backend.
				if(g_backendName == "slx")
					codeGenerator.reset(new CqCodeGenVM());
				else if(g_backendName == "dot")
					codeGenerator.reset(new CqCodeGenGraphviz());
				else
				{
					std::cout << "Unknown backend type: \"" << g_backendName << "\", assuming slx.";
					codeGenerator.reset(new CqCodeGenVM());
				}
//.........这里部分代码省略.........

int main(int argc, const char** argv)
{
	ArgParse::apflag showhelp = false;
	ArgParse::apint myint = 0;

	ArgParse ap;
	ap.allowOneCharOptionsToBeCombined();
	ap.usageHeader(ArgParse::apstring("Usage: ") + argv[0] + " [options]");
	ap.argFlag("help", "\aprint this help, then exit", &showhelp);
	ap.argInt("integer", "=value\aa random integer you can give for no reason",
	          &myint);
	ap.alias("help", "h");
	ap.alias("integer", "i");
	if (!ap.parse(argc-1, argv+1))
	{
		Aqsis::log() << ap.errmsg() << std::endl << ap.usagemsg();
		return 1;
	}

	if (ap.leftovers().size() > 0)
	{
		Aqsis::log() << "Extra crud \"" << ap.leftovers()[0] << "\" on command line";
		Aqsis::log() << std::endl << ap.usagemsg();
		return 1;
	}

	if (myint != 0)
	{
		cout << "Your favorite integer is " << myint << endl;
	}

	if (showhelp)
	{
		cout << ap.usagemsg();
		return 0;
	}

	int bad = 0;

	cout << "Testing flags and integers... ";
	myint = 3;
	showhelp = false;
	int ok = 0;
	const char* av[100];

	if (ap.parse(0, av) && !showhelp && myint == 3 && ap.leftovers().size() == 0)
		ok++;

	av[0] = "-h";
	if (ap.parse(1, av) && showhelp && myint == 3 && ap.leftovers().size() == 0)
		ok++;

	showhelp = false;
	av[0] = "--help";
	if (ap.parse(1, av) && showhelp && myint == 3 && ap.leftovers().size() == 0)
		ok++;

	showhelp = false;
	av[0] = "--integer";
	av[1] = "5";
	if (ap.parse(2, av) && !showhelp && myint == 5 && ap.leftovers().size() == 0)
		ok++;

	myint = 3;
	av[0] = "-i";
	if (ap.parse(2, av) && !showhelp && myint == 5 && ap.leftovers().size() == 0)
		ok++;

	myint = 3;
	av[2] = "--help";
	if (ap.parse(3, av) && showhelp && myint == 5 && ap.leftovers().size() == 0)
		ok++;

	av[0] = "-h";
	av[1] = "-i";
	av[2] = "5";
	myint = 3;
	showhelp = false;
	if (ap.parse(3, av) && showhelp && myint == 5 && ap.leftovers().size() == 0)
		ok++;

	av[0] = "-hi";
	av[1] = "5";
	myint = 3;
	showhelp = false;
	if (ap.parse(2, av) && showhelp && myint == 5 && ap.leftovers().size() == 0)
		ok++;

	av[0] = "-hi=5";
	myint = 3;
	showhelp = false;
	if (ap.parse(1, av) && showhelp && myint == 5 && ap.leftovers().size() == 0)
		ok++;

	av[0] = "-help";
	if (!ap.parse(1, av) &&
	        ap.errmsg() == "-help: 'e' is an unrecognized option")
		ok++;

	av[0] = "--integer=5";
//.........这里部分代码省略.........