77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
#include <iostream>
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#include <cstdlib>
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#include <string>
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#include <stdexcept>
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#include <getopt.h>
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#include <netpbm/pam.h>
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#include <libscstring.hpp>
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#include "commit.inc"
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#include "pixels.hpp"
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#include "conversion.hpp"
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void print_help() {
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std::cout << "usage: termage [-h|--version] <imagefile>\n";
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std::cout << " -h, --help show this help text and exit\n";
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std::cout << " --version show version number and exit\n";
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}
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void print_version() {
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std::cout << "termage version 1.0";
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if (commit[0] != '\0') {
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std::cout << ", build " << commit;
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}
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std::cout << std::endl;
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}
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int main(int argc, char* argv[]) {
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try {
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pm_init("termage", 0);
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int opt_char, opt_val;
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struct option long_options[] = {
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{"help", no_argument, nullptr, 'h'},
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{"version", no_argument, &opt_val, 1},
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{nullptr, 0, nullptr, 0}
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};
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while ((opt_char = getopt_long(argc, argv, "h", long_options, nullptr)) != -1) {
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std::string arg {optarg ? optarg : ""};
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switch (opt_char) {
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case 0: {
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// handle long-only options here
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switch (opt_val) {
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case 1:
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print_version();
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return EXIT_SUCCESS;
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}
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break;
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}
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case 'h':
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print_help();
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return EXIT_SUCCESS;
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case '?':
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throw std::runtime_error("unrecognized option");
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}
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}
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if (optind == argc) {
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// no file arg => read from stdin
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write_image(std::cout);
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}
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for (int i = optind; i < argc; ++i) {
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try {
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std::string path {argv[i]};
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std::string ext {sc::filename_extension(path)};
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if (ext != "ppm") {
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convert(path);
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} else {
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write_image(std::cout, path);
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}
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} catch (const std::runtime_error& ex) {
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std::cerr << "termage: " << ex.what() << '\n';
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}
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}
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} catch (const std::exception& ex) {
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std::cerr << "termage: " << ex.what() << '\n';
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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