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107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
#include "application.h"
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#include "output_util.h"
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#include "filepath_util.h"
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#include <cstring>
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#include <cctype>
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/////////////////////////////////////////////////////////////////////////
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static constexpr int NO_ARGC = 1;
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static constexpr int MIN_ARGC = 2;
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static constexpr int MAX_ARGC = 4;
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static constexpr int DEFAULT_SPLITTING = 5;
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static const std::string DEFAULT_PATH = "."; // current folder, I guess
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/////////////////////////////////////////////////////////////////////////
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static std::tuple<int, int, std::string> error(const char* msg)
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{
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std::cout << msg;
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return {EXIT_FAILURE, -1, {}};
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}
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static std::tuple<int, int, std::string> parseInput(int argc, char **argv)
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{
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int splitting = DEFAULT_SPLITTING;
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std::string path = DEFAULT_PATH;
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switch (argc)
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{
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default:
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return error(output::NO_ARG_MSG);
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case NO_ARGC:
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{
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// Just launch the application with default parameters
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std::cout << "No arguments given. Launching at \"" << DEFAULT_PATH << "\" with splitting " << std::to_string(DEFAULT_SPLITTING) << "\n"
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<< "--help for more information.\n";
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const auto &[ret_code, ret_path] = filepath::parsePath(DEFAULT_PATH);
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if (ret_code)
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return error(output::IMG_FAIL_MSG);
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path = ret_path;
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break;
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}
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case MIN_ARGC:
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{
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// maybe --help
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if (strcmp(argv[1], output::HELP_FLAG) == 0)
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return error(output::HELP_MSG);
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const auto &[ret_code, ret_path] = filepath::parsePath(argv[1]);
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if (ret_code)
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return error(output::IMG_FAIL_MSG);
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path = ret_path;
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break;
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}
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case (MAX_ARGC - 1):
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case MAX_ARGC:
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{
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// full stack
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if (strcmp(argv[1], output::SPLITTING_FLAG) == 0)
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{
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splitting = -1; // here assuming user is providing it on their own
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if (std::isdigit(*argv[2]))
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splitting = std::stoi(argv[2]);
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if (splitting < 2)
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return error(output::SPLITTING_MSG);
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const auto &[ret_code, ret_path] = filepath::parsePath(argc == MAX_ARGC ? argv[3] : DEFAULT_PATH);
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if (ret_code)
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return error(output::IMG_FAIL_MSG);
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path = ret_path;
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}
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break;
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}
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}
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return {EXIT_SUCCESS, splitting, path};
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}
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/////////////////////////////////////////////////////////////////////////
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int main(int argc, char **argv)
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{
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const auto&[ret_code, splitting, path] = parseInput(argc, argv);
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if (ret_code) // Error code is EXIT_FAILURE
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return ret_code;
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Application app;
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if (app.init(path, splitting))
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{
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app.run();
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return EXIT_SUCCESS;
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}
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return EXIT_FAILURE;
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}
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