asciimation
/
src
/
main.cc
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128#include "asciimation.hh"
#include "parg.hh"
using Parg = OB::Parg;
#include "ansi_escape_codes.hh"
namespace AEC = OB::ANSI_Escape_Codes;
#include <string>
#include <iostream>
#include <csignal>
void clean_shutdown();
void cb_signal(int signal);
void register_signals();
int program_options(Parg& pg);
void clean_shutdown()
{
std::cout << AEC::cursor_show << std::flush;
}
void cb_signal(int signal)
{
std::cerr << "\nSignal: " << signal << " Received" << "\n";
std::cerr << "Exiting\n";
clean_shutdown();
exit(1);
}
void register_signals()
{
std::signal(SIGINT, cb_signal);
std::signal(SIGABRT, cb_signal);
std::signal(SIGFPE, cb_signal);
std::signal(SIGILL, cb_signal);
std::signal(SIGINT, cb_signal);
std::signal(SIGSEGV, cb_signal);
std::signal(SIGTERM, cb_signal);
}
int program_options(Parg& pg)
{
pg.name("asciimation").version("0.4.0 (03.04.2018)");
pg.description("ascii animation interpreter");
pg.usage("[flags] [options] [--] [arguments]");
pg.usage("[-f|--file input_file] [-d|--delim delim] [-t|--time time_delay_ms] [-l|--loop loop_number] [--debug]");
pg.usage("[-v|--version]");
pg.usage("[-h|--help]");
pg.info("Runtime Keybindings", {
"h -> show the help text",
"q -> quit the asciimation",
"d -> toggle debug output",
"j -> decrease speed by 5",
"J -> decrease speed by 50",
"k -> increase speed by 5",
"K -> increase speed by 50",
"space -> pause the animation",
});
pg.info("Exit Codes", {"0 -> normal", "1 -> error"});
pg.info("Examples", {
"asciimation -f './test' -d 'END' -t 80 -l 3",
"asciimation --help",
"asciimation --version",
});
pg.author("Brett Robinson (octobanana) <octobanana.dev@gmail.com>");
pg.set("help,h", "print the help output");
pg.set("version,v", "print the program version");
pg.set("file,f", "", "file_name", "the input file");
pg.set("delim,d", "END", "str", "the frame delimiter");
pg.set("time,t", "250", "int", "the time delay between frames in milliseconds");
pg.set("debug", "show debug output");
pg.set("loop,l", "0", "int", "set the animation to loop n times, if n is 0, it will loop infinitely");
int status {pg.parse()};
if (status > 0 && pg.get_stdin().empty())
{
std::cout << pg.print_help() << "\n";
std::cout << "Error: " << "expected arguments" << "\n";
return -1;
}
if (status < 0)
{
std::cout << pg.print_help() << "\n";
std::cout << "Error: " << pg.error() << "\n";
return -1;
}
if (pg.get<bool>("help"))
{
std::cout << pg.print_help();
return 1;
}
if (pg.get<bool>("version"))
{
std::cout << pg.print_version();
return 1;
}
return 0;
}
int main(int argc, char *argv[])
{
Parg pg {argc, argv};
int pstatus {program_options(pg)};
if (pstatus > 0) return 0;
if (pstatus < 0) return 1;
register_signals();
try
{
OB::Asciimation am;
am.set_debug(pg.get<bool>("debug"));
am.set_loop(pg.get<size_t>("loop"));
am.set_delay(pg.get<size_t>("time"));
am.set_delim(pg.get("delim"));
am.run(pg.get("file"));
}
catch (std::exception const& e)
{
std::cerr << "Error: " << e.what() << "\n";
return 1;
}
return 0;
}