111 lines
2.5 KiB
C
111 lines
2.5 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "args.h"
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static void check_bounds(const char* arg_name, const int i, const int argc) {
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if (i + 1 >= argc) {
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printf("%s needs an argument. See: sanke --help\n", arg_name);
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exit(0);
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}
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}
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static void show_version() {
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printf("Sanke version %s\n", VERSION);
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exit(0);
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}
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static void show_help() {
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printf(
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"USAGE: sanke <options>\n\n"
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"Options:\n"
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" --width, -w: Set the width (10 - 50) of the board. Default 15.\n"
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" --height, -h: Set the height (10 - 50) of the board. Default 15.\n"
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" --speed, -s: Set the speed (1 - 1000) of the game in squares per second. Default 7.\n"
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" --help : Display this help text.\n"
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);
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exit(0);
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}
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static void set_width(Arguments* args, char* width_str) {
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int width = atoi(width_str);
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if (width < 10) {
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printf("Width must be between 10 and 50. Was %d.\n", width);
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exit(0);
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}
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args->width = width;
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}
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static void set_height(Arguments* args, char* height_str) {
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int height = atoi(height_str);
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if (height < 10) {
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printf("Width must be between 10 and 50. Was %s.\n", height_str);
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exit(0);
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}
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args->height = height;
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}
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static void set_speed(Arguments* args, char* speed_str) {
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int squares_per_second = atoi(speed_str);
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if (squares_per_second < 1 || squares_per_second > 1000) {
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printf("Speed must be between 1 and 1000. Was %d.\n", squares_per_second);
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exit(0);
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}
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args->sleep_ms = 1000 / squares_per_second;
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}
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Arguments cmd_args(int argc, char** argv) {
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Arguments args = {
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.width = 15,
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.height = 15,
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.sleep_ms = 150,
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};
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for (int i = 1; i < argc; i++) {
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if (
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strcmp(argv[i], "--version") == 0
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|| strcmp(argv[i], "-v") == 0
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)
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{
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show_version();
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} else if (
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strcmp(argv[i], "--help") == 0
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)
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{
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show_help();
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} else if (
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strcmp(argv[i], "--width") == 0
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|| strcmp(argv[i], "-w") == 0
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)
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{
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check_bounds("width", i, argc);
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set_width(&args, argv[i + 1]);
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} else if (
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strcmp(argv[i], "--height") == 0
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|| strcmp(argv[i], "-h") == 0
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)
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{
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check_bounds("height", i, argc);
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set_height(&args, argv[i + 1]);
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} else if (
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strcmp(argv[i], "--speed") == 0
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|| strcmp(argv[i], "-s") == 0
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)
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{
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check_bounds("speed", i, argc);
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set_speed(&args, argv[i + 1]);
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}
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}
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return args;
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}
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