C++ ArgParse类代码示例

int main(int argc, const char **argv)
{
	util_logging_init(argv[0]);
	path_init();

	/* device types */
	string devicelist = "";
	string devicename = "cpu";
	bool list = false, debug = false;
	int threads = 0, verbosity = 1;

	vector<DeviceType>& types = Device::available_types();

	foreach(DeviceType type, types) {
		if(devicelist != "")
			devicelist += ", ";

		devicelist += Device::string_from_type(type);
	}

	/* parse options */
	ArgParse ap;

	ap.options ("Usage: cycles_server [options]",
		"--device %s", &devicename, ("Devices to use: " + devicelist).c_str(),
		"--list-devices", &list, "List information about all available devices",
		"--threads %d", &threads, "Number of threads to use for CPU device",
#ifdef WITH_CYCLES_LOGGING
		"--debug", &debug, "Enable debug logging",
		"--verbose %d", &verbosity, "Set verbosity of the logger",
#endif
		NULL);

	if(ap.parse(argc, argv) < 0) {
		fprintf(stderr, "%s\n", ap.geterror().c_str());
		ap.usage();
		exit(EXIT_FAILURE);
	}

	if(debug) {
		util_logging_start();
		util_logging_verbosity_set(verbosity);
	}

	if(list) {
		vector<DeviceInfo>& devices = Device::available_devices();

		printf("Devices:\n");

		foreach(DeviceInfo& info, devices) {
			printf("    %s%s\n",
				info.description.c_str(),
				(info.display_device)? " (display)": "");
		}

		exit(EXIT_SUCCESS);
	}

static void
getargs (int argc, const char *argv[])
{
    bool help = false;
    ArgParse ap;
    ap.options ("Usage:  testtex [options] inputfile",
                  "%*", parse_files, "",
                  "--help", &help, "Print help message",
                  "-v", &verbose, "Verbose status messages",
                  "-o %s", &output_filename, "Output test image",
                  "-d %s", &dataformatname, "Set the output data format to one of:"
                        "uint8, sint8, uint10, uint12, uint16, sint16, half, float, double",
                  "-res %d %d", &output_xres, &output_yres,
                      "Resolution of output test image",
                  "-iters %d", &iters,
                      "Iterations for time trials",
                  "--blur %f", &blur, "Add blur to texture lookup",
                  "--width %f", &width, "Multiply filter width of texture lookup",
                  "--fill %f", &fill, "Set fill value for missing channels",
                  "--wrap %s", &wrapmodes, "Set wrap mode (default, black, clamp, periodic, mirror, overscan)",
                  "--missing %f %f %f", &missing[0], &missing[1], &missing[2],
                        "Specify missing texture color",
                  "--autotile %d", &autotile, "Set auto-tile size for the image cache",
                  "--automip", &automip, "Set auto-MIPmap for the image cache",
                  "--blocksize %d", &blocksize, "Set blocksize (n x n) for batches",
                  "--handle", &use_handle, "Use texture handle rather than name lookup",
                  "--searchpath %s", &searchpath, "Search path for files",
                  "--nowarp", &nowarp, "Do not warp the image->texture mapping",
                  "--tube", &tube, "Make a tube projection",
                  "--cachesize %f", &cachesize, "Set cache size, in MB",
                  "--scale %f", &scalefactor, "Scale intensities",
                  "--maxfiles %d", &maxfiles, "Set maximum open files",
                  "--nountiled", &nountiled, "Reject untiled images",
                  "--nounmipped", &nounmipped, "Reject unmipped images",
                  "--ctr", &test_construction, "Test TextureOpt construction time",
                  "--gettexels", &test_gettexels, "Test TextureSystem::get_texels",
                  "--getimagespec", &test_getimagespec, "Test TextureSystem::get_imagespec",
                  "--offset %f %f %f", &offset[0], &offset[1], &offset[2], "Offset texture coordinates",
                  "--scalest %f %f", &sscale, &tscale, "Scale texture lookups (s, t)",
                  "--graytorgb", &gray_to_rgb, "Convert gratscale textures to RGB",
                  "--resetstats", &resetstats, "Print and reset statistics on each iteration",
                  NULL);
    if (ap.parse (argc, argv) < 0) {
        std::cerr << ap.geterror() << std::endl;
        ap.usage ();
        exit (EXIT_FAILURE);
    }
    if (help) {
        ap.usage ();
        exit (EXIT_FAILURE);
    }

    if (filenames.size() < 1) {
        std::cerr << "testtex: Must have at least one input file\n";
        ap.usage();
        exit (EXIT_FAILURE);
    }
}

static void
getargs(int argc, char* argv[])
{
    bool help = false;
    ArgParse ap;
    // clang-format off
    ap.options(
        "fmath_test\n" OIIO_INTRO_STRING "\n"
        "Usage:  fmath_test [options]",
        // "%*", parse_files, "",
        "--help", &help, "Print help message",
        "-v", &verbose, "Verbose mode",
        // "--threads %d", &numthreads,
        //     ustring::sprintf("Number of threads (default: %d)", numthreads).c_str(),
        "--iterations %d", &iterations,
            ustring::sprintf("Number of values to convert for benchmarks (default: %d)", iterations).c_str(),
        "--trials %d", &ntrials, "Number of trials",
        nullptr);
    // clang-format on
    if (ap.parse(argc, (const char**)argv) < 0) {
        std::cerr << ap.geterror() << std::endl;
        ap.usage();
        exit(EXIT_FAILURE);
    }
    if (help) {
        ap.usage();
        exit(EXIT_FAILURE);
    }
}

static void
getargs (int argc, char *argv[])
{
    bool help = false;
    ArgParse ap;
    ap.options ("hash_test\n"
                OIIO_INTRO_STRING "\n"
                "Usage:  hash_test [options]",
                // "%*", parse_files, "",
                "--help", &help, "Print help message",
                "-v", &verbose, "Verbose mode",
                "--iters %d", &iterations,
                    Strutil::format("Number of iterations (default: %d)", iterations).c_str(),
                "--trials %d", &ntrials, "Number of trials",
                NULL);
    if (ap.parse (argc, (const char**)argv) < 0) {
        std::cerr << ap.geterror() << std::endl;
        ap.usage ();
        exit (EXIT_FAILURE);
    }
    if (help) {
        ap.usage ();
        exit (EXIT_FAILURE);
    }
}

static void
getargs (int argc, char *argv[])
{
    bool help = false;
    ArgParse ap;
    ap.options ("spin_rw_test\n"
                OIIO_INTRO_STRING "\n"
                "Usage:  spin_rw_test [options]",
                // "%*", parse_files, "",
                "--help", &help, "Print help message",
                "-v", &verbose, "Verbose mode",
                "--threads %d", &numthreads, 
                    ustring::format("Number of threads (default: %d)", numthreads).c_str(),
                "--iters %d", &iterations,
                    ustring::format("Number of iterations (default: %d)", iterations).c_str(),
                "--trials %d", &ntrials, "Number of trials",
                "--rwratio %d", &read_write_ratio, 
                    ustring::format("Reader::writer ratio (default: %d)", read_write_ratio).c_str(),
                "--wedge", &wedge, "Do a wedge test",
                NULL);
    if (ap.parse (argc, (const char**)argv) < 0) {
        std::cerr << ap.geterror() << std::endl;
        ap.usage ();
        exit (EXIT_FAILURE);
    }
    if (help) {
        ap.usage ();
        exit (EXIT_FAILURE);
    }
}

static void
getargs (int argc, const char *argv[])
{
    bool help = false;
    ArgParse ap;
    ap.options ("Usage:  testtex [options] inputfile",
                  "%*", parse_files, "",
                  "--help", &help, "Print help message",
                  "-v", &verbose, "Verbose status messages",
                  "-o %s", &output_filename, "Output test image",
                  "-res %d %d", &output_xres, &output_yres,
                      "Resolution of output test image",
                  "-iters %d", &iters,
                      "Iterations for time trials",
                  "--blur %f", &blur, "Add blur to texture lookup",
                  "--width %f", &width, "Multiply filter width of texture lookup",
                  "--missing %f %f %f", &missing[0], &missing[1], &missing[2],
                        "Specify missing texture color",
                  "--autotile %d", &autotile, "Set auto-tile size for the image cache",
                  "--automip", &automip, "Set auto-MIPmap for the image cache",
                  "--blocksize %d", &blocksize, "Set blocksize (n x n) for batches",
                  "--handle", &use_handle, "Use texture handle rather than name lookup",
                  "--searchpath %s", &searchpath, "Search path for files",
                  "--nowarp", &nowarp, "Do not warp the image->texture mapping",
                  "--cachesize %f", &cachesize, "Set cache size, in MB",
                  "--scale %f", &scalefactor, "Scale intensities",
                  "--maxfiles %d", &maxfiles, "Set maximum open files",
                  "--nountiled", &nountiled, "Reject untiled images",
                  "--nounmipped", &nounmipped, "Reject unmipped images",
                  "--ctr", &test_construction, "Test TextureOpt construction time",
                  "--offset %f %f %f", &offset[0], &offset[1], &offset[2], "Offset texture coordinates",
                  "--scalest %f", &scalest, "Scale st coordinates",
                  NULL);
    if (ap.parse (argc, argv) < 0) {
        std::cerr << ap.geterror() << std::endl;
        ap.usage ();
        exit (EXIT_FAILURE);
    }
    if (help) {
        ap.usage ();
        exit (EXIT_FAILURE);
    }

    if (filenames.size() < 1) {
        std::cerr << "testtex: Must have at least one input file\n";
        ap.usage();
        exit (EXIT_FAILURE);
    }
}

int
main (int argc, const char *argv[])
{
    Filesystem::convert_native_arguments (argc, (const char **)argv);
    ArgParse ap;
    ap.options ("iinfo -- print information about images\n"
                OIIO_INTRO_STRING "\n"
                "Usage:  iinfo [options] filename...",
                "%*", parse_files, "",
                "--help", &help, "Print help message",
                "-v", &verbose, "Verbose output",
                "-m %s", &metamatch, "Metadata names to print (default: all)",
                "-f", &filenameprefix, "Prefix each line with the filename",
                "-s", &sum, "Sum the image sizes",
                "-a", &subimages, "Print info about all subimages",
                "--hash", &compute_sha1, "Print SHA-1 hash of pixel values",
                "--stats", &compute_stats, "Print image pixel statistics (data window)",
                NULL);
    if (ap.parse(argc, argv) < 0 || filenames.empty()) {
        std::cerr << ap.geterror() << std::endl;
        ap.usage ();
        return EXIT_FAILURE;
    }
    if (help) {
        ap.usage ();
        exit (EXIT_FAILURE);
    }

    if (! metamatch.empty())
        field_re.assign (metamatch,
                         boost::regex::extended | boost::regex_constants::icase);

    // Find the longest filename
    size_t longestname = 0;
    BOOST_FOREACH (const std::string &s, filenames)
        longestname = std::max (longestname, s.length());
    longestname = std::min (longestname, (size_t)40);

    long long totalsize = 0;
    BOOST_FOREACH (const std::string &s, filenames) {
        ImageInput *in = ImageInput::open (s.c_str());
        if (! in) {
            std::string err = geterror();
            if (err.empty())
                err = Strutil::format ("Could not open \"%s\"", s.c_str());
            std::cerr << "iinfo: " << err << "\n";
            continue;
        }
        ImageSpec spec = in->spec();
        print_info (s, longestname, in, spec, verbose, sum, totalsize);
        in->close ();
        delete in;
    }

static void
getargs (int argc, const char *argv[])
{
    static bool help = false;
    ArgParse ap;
    ap.options ("Usage:  testshade [options] shader...",
                "%*", add_shader, "",
                "--help", &help, "Print help message",
                "-v", &verbose, "Verbose messages",
                "--debug", &debug, "Lots of debugging info",
                "--stats", &stats, "Print run statistics",
                "-g %d %d", &xres, &yres, "Make an X x Y grid of shading points",
                "-o %L %L", &outputvars, &outputfiles,
                        "Output (variable, filename)",
                "-od %s", &dataformatname, "Set the output data format to one of:\n"
                        "\t\t\t\tuint8, half, float",
                "--layer %s", &layername, "Set next layer name",
                "--fparam %L %L",
                        &fparams, &fparams,
                        "Add a float param (args: name value)",
                "--iparam %L %L",
                        &iparams, &iparams,
                        "Add an integer param (args: name value)",
                "--vparam %L %L %L %L",
                        &vparams, &vparams, &vparams, &vparams,
                        "Add a vector or color param (args: name x y z)",
                "--sparam %L %L",
                        &sparams, &sparams,
                        "Add a string param (args: name value)",
                "--connect %L %L %L %L",
                    &connections, &connections, &connections, &connections,
                    "Connect fromlayer fromoutput tolayer toinput",
                "--raytype %s", &raytype, "Set the raytype",
                "--iters %d", &iters, "Number of iterations",
                "-O0", &O0, "Do no runtime shader optimization",
                "-O1", &O1, "Do a little runtime shader optimization",
                "-O2", &O2, "Do lots of runtime shader optimization",
//                "-v", &verbose, "Verbose output",
                NULL);
    if (ap.parse(argc, argv) < 0 || shadernames.empty()) {
        std::cerr << ap.error_message() << std::endl;
        ap.usage ();
        exit (EXIT_FAILURE);
    }
    if (help) {
        std::cout <<
            "testshade -- Test Open Shading Language\n"
            "(c) Copyright 2009-2010 Sony Pictures Imageworks Inc. All Rights Reserved.\n";
        ap.usage ();
        exit (EXIT_SUCCESS);
    }
}

static void
getargs(int argc, char* argv[])
{
    // clang-format off
    bool help = false;
    ArgParse ap;
    ap.options ("idiff -- compare two images\n"
                OIIO_INTRO_STRING "\n"
                "Usage:  idiff [options] image1 image2",
                  "%*", parse_files, "",
                  "--help", &help, "Print help message",
                  "-v", &verbose, "Verbose status messages",
                  "-q", &quiet, "Quiet (minimal messages)",
                  "-a", &compareall, "Compare all subimages/miplevels",
                  "<SEPARATOR>", "Thresholding and comparison options",
                  "-fail %g", &failthresh, "Failure threshold difference (0.000001)",
                  "-failpercent %g", &failpercent, "Allow this percentage of failures (0)",
                  "-hardfail %g", &hardfail, "Fail if any one pixel exceeds this error (infinity)",
                  "-warn %g", &warnthresh, "Warning threshold difference (0.00001)",
                  "-warnpercent %g", &warnpercent, "Allow this percentage of warnings (0)",
                  "-hardwarn %g", &hardwarn, "Warn if any one pixel exceeds this error (infinity)",
                  "-p", &perceptual, "Perform perceptual (rather than numeric) comparison",
                  "<SEPARATOR>", "Difference image options",
                  "-o %s", &diffimage, "Output difference image",
                  "-od", &outdiffonly, "Output image only if nonzero difference",
                  "-abs", &diffabs, "Output image of absolute value, not signed difference",
                  "-scale %g", &diffscale, "Scale the output image by this factor",
//                  "-meta", &comparemeta, "Compare metadata",
                  NULL);
    if (ap.parse(argc, (const char**)argv) < 0) {
        std::cerr << ap.geterror() << std::endl;
        ap.usage ();
        exit (EXIT_FAILURE);
    }
    if (help) {
        ap.usage ();
        exit (EXIT_FAILURE);
    }

    if (filenames.size() != 2) {
        std::cerr << "idiff: Must have two input filenames.\n";
        ap.usage();
        exit (EXIT_FAILURE);
    }
    // clang-format on
}

int
main(int argc, const char* argv[])
{
    Filesystem::convert_native_arguments(argc, argv);
    ArgParse ap;
    // clang-format off
    ap.options ("igrep -- search images for matching metadata\n"
                OIIO_INTRO_STRING "\n"
                "Usage:  igrep [options] pattern filename...",
                "%*", parse_files, "",
                "-i", &ignore_case, "Ignore upper/lower case distinctions",
                "-v", &invert_match, "Invert match (select non-matching files)",
                "-E", &extended_regex, "Pattern is an extended regular expression",
                "-f", &file_match, "Match against file name as well as metadata",
                "-l", &list_files, "List the matching files (no detail)",
                "-r", &recursive, "Recurse into directories",
                "-d", &print_dirs, "Print directories (when recursive)",
                "-a", &all_subimages, "Search all subimages of each file",
                "--help", &help, "Print help message",
                NULL);
    // clang-format off
    if (ap.parse(argc, argv) < 0 || pattern.empty() || filenames.empty()) {
        std::cerr << ap.geterror() << std::endl;
        ap.usage ();
        return EXIT_FAILURE;
    }
    if (help) {
        ap.usage();
        exit(EXIT_FAILURE);
    }

#if USE_BOOST_REGEX
    boost::regex_constants::syntax_option_type flag
        = boost::regex_constants::grep;
    if (extended_regex)
        flag = boost::regex::extended;
    if (ignore_case)
        flag |= boost::regex_constants::icase;
#else
    auto flag = std::regex_constants::grep;
    if (extended_regex)
        flag = std::regex_constants::extended;
    if (ignore_case)
        flag |= std::regex_constants::icase;
#endif
    regex re(pattern, flag);
    for (auto&& s : filenames)
        grep_file(s, re);

    return 0;
}

static void
getargs (int argc, char *argv[])
{
    bool help = false;
    ArgParse ap;
    ap.options ("timer_test\n"
                OIIO_INTRO_STRING "\n"
                "Usage:  timer_test [options]",
                "%*", parse_files, "",
                "--help", &help, "Print help message",
                NULL);
    if (ap.parse (argc, (const char**)argv) < 0) {
        std::cerr << ap.geterror() << std::endl;
        ap.usage ();
        exit (EXIT_FAILURE);
    }
    if (help) {
        ap.usage ();
        exit (EXIT_FAILURE);
    }
}

static void
getargs (int argc, char *argv[])
{
    bool help = false;
    ArgParse ap;
    ap.options ("iv -- image viewer\n"
                OIIO_INTRO_STRING "\n"
                "Usage:  iv [options] [filename...]",
                  "%*", parse_files, "",
                  "--help", &help, "Print help message",
                  "-v", &verbose, "Verbose status messages",
                  "-F", &foreground_mode, "Foreground mode",
                  NULL);
    if (ap.parse (argc, (const char**)argv) < 0) {
        std::cerr << ap.geterror() << std::endl;
        ap.usage ();
        exit (EXIT_FAILURE);
    }
    if (help) {
        ap.usage ();
        exit (EXIT_FAILURE);
    }
}

static void
getargs (int argc, char *argv[])
{
    bool help = false;
    
    ArgParse ap;
    ap.options ("maketx -- convert images to tiled, MIP-mapped textures\n"
                OIIO_INTRO_STRING "\n"
                "Usage:  maketx [options] file...",
                  "%*", parse_files, "",
                  "--help", &help, "Print help message",
                  "-v", &verbose, "Verbose status messages",
                  "-o %s", &outputfilename, "Output filename",
                  "-t %d", &nthreads, "Number of threads (default: #cores)",
                  "-u", &updatemode, "Update mode",
                  "--format %s", &fileformatname, "Specify output file format (default: guess from extension)",
                  "--nchannels %d", &nchannels, "Specify the number of output image channels.",
                  "-d %s", &dataformatname, "Set the output data format to one of: "
                          "uint8, sint8, uint16, sint16, half, float",
                  "--tile %d %d", &tile[0], &tile[1], "Specify tile size",
                  "--separate", &separate, "Use planarconfig separate (default: contiguous)",
//                  "--ingamma %f", &ingamma, "Specify gamma of input files (default: 1)",
//                  "--outgamma %f", &outgamma, "Specify gamma of output files (default: 1)",
//                  "--opaquewidth %f", &opaquewidth, "Set z fudge factor for volume shadows",
                  "--fov %f", &fov, "Field of view for envcube/shadcube/twofish",
                  "--fovcot %f", &fovcot, "Override the frame aspect ratio. Default is width/height.",
                  "--wrap %s", &wrap, "Specify wrap mode (black, clamp, periodic, mirror)",
                  "--swrap %s", &swrap, "Specific s wrap mode separately",
                  "--twrap %s", &twrap, "Specific t wrap mode separately",
                  "--resize", &doresize, "Resize textures to power of 2 (default: no)",
                  "--noresize", &noresize, "Do not resize textures to power of 2 (deprecated)",
                  "--filter %s", &filtername, filter_help_string().c_str(),
                  "--nomipmap", &nomipmap, "Do not make multiple MIP-map levels",
                  "--checknan", &checknan, "Check for NaN and Inf values (abort if found)",
                  "--Mcamera %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f",
                          &Mcam[0][0], &Mcam[0][1], &Mcam[0][2], &Mcam[0][3], 
                          &Mcam[1][0], &Mcam[1][1], &Mcam[1][2], &Mcam[1][3], 
                          &Mcam[2][0], &Mcam[2][1], &Mcam[2][2], &Mcam[2][3], 
                          &Mcam[3][0], &Mcam[3][1], &Mcam[3][2], &Mcam[3][3], 
                          "Set the camera matrix",
                  "--Mscreen %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f",
                          &Mscr[0][0], &Mscr[0][1], &Mscr[0][2], &Mscr[0][3], 
                          &Mscr[1][0], &Mscr[1][1], &Mscr[1][2], &Mscr[1][3], 
                          &Mscr[2][0], &Mscr[2][1], &Mscr[2][2], &Mscr[2][3], 
                          &Mscr[3][0], &Mscr[3][1], &Mscr[3][2], &Mscr[3][3], 
                          "Set the camera matrix",
                  "--hash", &embed_hash, "Embed SHA-1 hash of pixels in the header",
                  "--prman-metadata", &prman_metadata, "Add prman specific metadata",
                  "--constant-color-detect", &constant_color_detect, "Create 1-tile textures from constant color inputs",
                  "--monochrome-detect", &monochrome_detect, "Create 1-channel textures from monochrome inputs",
                  "--stats", &stats, "Print runtime statistics",
//FIXME           "-c %s", &channellist, "Restrict/shuffle channels",
//FIXME           "-debugdso"
//FIXME           "-note %s", &note, "Append a note to the image comments",
                  "<SEPARATOR>", "Basic modes (default is plain texture):",
                  "--shadow", &shadowmode, "Create shadow map",
//                  "--shadcube", &shadowcubemode, "Create shadow cube (file order: px,nx,py,ny,pz,nz) (UNIMPLEMENTED)",
//                  "--volshad", &volshadowmode, "Create volume shadow map (UNIMP)",
                  "--envlatl", &envlatlmode, "Create lat/long environment map",
                  "--envcube", &envcubemode, "Create cubic env map (file order: px, nx, py, ny, pz, nz) (UNIMP)",
//                  "--lightprobe", &lightprobemode, "Convert a lightprobe to cubic env map (UNIMP)",
//                  "--latl2envcube", &latl2envcubemode, "Convert a lat-long env map to a cubic env map (UNIMP)",
//                  "--vertcross", &vertcrossmode, "Convert a vertical cross layout to a cubic env map (UNIMP)",
                  "<SEPARATOR>", "Configuration Presets",
                  "--prman", &prman, "Use PRMan-safe settings for tile size, planarconfig, and metadata.",
                  "--oiio", &oiio, "Use OIIO-optimized settings for tile size, planarconfig, metadata, and constant-color optimizations.",
                  NULL);
    if (ap.parse (argc, (const char**)argv) < 0) {
        std::cerr << ap.geterror() << std::endl;
        ap.usage ();
        exit (EXIT_FAILURE);
    }
    if (help) {
        ap.usage ();
        exit (EXIT_FAILURE);
    }
    full_command_line = ap.command_line ();

    int optionsum = ((int)shadowmode + (int)shadowcubemode + (int)volshadowmode +
                     (int)envlatlmode + (int)envcubemode +
                     (int)lightprobemode + (int)vertcrossmode +
                     (int)latl2envcubemode);
    if (optionsum > 1) {
        std::cerr << "maketx ERROR: At most one of the following options may be set:\n"
                  << "\t--shadow --shadcube --volshad --envlatl --envcube\n"
                  << "\t--lightprobe --vertcross --latl2envcube\n";
        ap.usage ();
        exit (EXIT_FAILURE);
    }
    if (optionsum == 0)
        mipmapmode = true;
    if (doresize)
        noresize = false;
    
    if (prman && oiio) {
        std::cerr << "maketx ERROR: '--prman' compatibility, and '--oiio' optimizations are mutually exclusive.\n";
        std::cerr << "\tIf you'd like both prman and oiio compatibility, you should choose --prman\n";
        std::cerr << "\t(at the expense of oiio-specific optimizations)\n";
        ap.usage ();
        exit (EXIT_FAILURE);
//.........这里部分代码省略.........

int main (int argc, const char* argv[])
{
    bool generate = false;
    bool extract = false;
    int cubesize = 32;
    int maxwidth = 2048;
    std::string inputfile;
    std::string outputfile;
    std::string config;
    std::string incolorspace;
    std::string outcolorspace;
    
    // TODO: Add optional allocation transform instead of colorconvert
    ArgParse ap;
    ap.options("ociolutimage -- Convert a 3dlut to or from an image\n\n"
               "usage:  ociolutimage [options] <OUTPUTFILE.LUT>\n\n"
               "example:  ociolutimage --generate --output lut.exr\n"
               "example:  ociolutimage --extract --input lut.exr --output output.spi3d\n",
               "<SEPARATOR>", "",
               "--generate", &generate, "Generate a lattice image",
               "--extract", &extract, "Extract a 3dlut from an input image",
               "<SEPARATOR>", "",
               "--cubesize %d", &cubesize, "Size of the cube (default: 32)",
               "--maxwidth %d", &maxwidth, "Specify maximum width of the image (default: 2048)",
               "--input %s", &inputfile, "Specify the input filename",
               "--output %s", &outputfile, "Specify the output filename",
               "<SEPARATOR>", "",
               "--config %s", &config, ".ocio configuration file (default: $OCIO)",
               "--colorconvert %s %s", &incolorspace, &outcolorspace, "Apply a color space conversion to the image.",
               NULL);
    
    if (ap.parse(argc, argv) < 0)
    {
        std::cout << ap.geterror() << std::endl;
        ap.usage();
        std::cout << "\n";
        return 1;
    }
    
    if (argc == 1 )
    {
        ap.usage();
        std::cout << "\n";
        return 1;
    }
    
    if(generate)
    {
        try
        {
            Generate(cubesize, maxwidth,
                     outputfile,
                     config, incolorspace, outcolorspace);
        }
        catch(std::exception & e)
        {
            std::cerr << "Error generating image: " << e.what() << std::endl;
            exit(1);
        }
        catch(...)
        {
            std::cerr << "Error generating image. An unknown error occurred.\n";
            exit(1);
        }
    }
    else if(extract)
    {
        try
        {
            Extract(cubesize, maxwidth,
                    inputfile, outputfile);
        }
        catch(std::exception & e)
        {
            std::cerr << "Error extracting lut: " << e.what() << std::endl;
            exit(1);
        }
        catch(...)
        {
            std::cerr << "Error extracting lut. An unknown error occurred.\n";
            exit(1);
        }
    }
    else
    {
        std::cerr << "Must specify either --generate or --extract.\n";
        exit(1);
    }
    
    return 0;
}

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.........