130 lines
2.6 KiB
C
130 lines
2.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "arghandler.h"
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/************************************************************************************
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* @author Jacob McCloughan
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* @version 3/03/2017
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* @see arghandler.h
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*
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* My implementation for argp. Handles arguments for the Connect Four game.
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*************************************************************************************/
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/*
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* Program version.
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*/
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const char *argp_program_version = "Connect Four (Version 3/03/2017)";
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/*
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* My email address for bug reports.
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*/
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const char *argp_program_bug_address = "mcclougj@mail.gvsu.edu";
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/*
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* Game description.
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*/
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char doc[] = "Connect Four: Game where you place tokens until a player connects four!";
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/*
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* Accepted arguments. Unused, but defined.
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*/
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char args_doc[] = "";
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/*
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* Saved width board parameter.
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*/
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int wid;
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/*
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* Saved height board parameter.
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*/
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int hei;
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/*
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* Saved square board parameter.
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*/
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int sqr;
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/*
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* Saved win length parameter.
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*/
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int winlen;
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/*
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* Saved filename for loading.
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*/
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char* loadFile;
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struct argp_option options[] = {
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{ "width", 'w', "WIDTH", 0, "Width dimension for board." },
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{ "height", 'h', "HEIGHT", 0, "Height dimension for board." },
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{ "square", 's', "SQUARE", 0, "Dimensions for a square board (width and height will be overrided)." },
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{ "connect", 'c', "CONNECT", 0, "Length to win the game." },
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{ "load", 'l', "LOAD", 0, "Load a previous saved game." },
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{ 0 }
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};
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/*
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* Required arguments for the argp struct.
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*/
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struct argp argp = { options, parse_opt, args_doc, doc };
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/*
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* Argument values for flags.
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*/
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struct arguments arguments;
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/*
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* Function that sets up values post-parsing.
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*
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* @param key, the key of the argument.
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* @param arg, the argument being passed.
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* @param state, the state of parser.
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*/
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error_t parse_opt(int key, char* arg, struct argp_state *state) {
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struct arguments *arguments = state->input;
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switch (key) {
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case 'w':
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arguments->width = atoi(arg);
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break;
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case 'h':
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arguments->height = atoi(arg);
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break;
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case 's':
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arguments->square = atoi(arg);
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break;
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case 'c':
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arguments->winL = atoi(arg);
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break;
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case 'l':
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arguments->loadFile = arg;
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break;
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default:
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return ARGP_ERR_UNKNOWN;
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}
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return 0;
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}
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/*
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* Parses arguments.
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* @param argc, number of command line arguments.
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* @param argv, the command line arguments.
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*/
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void setup(int argc, char** argv) {
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wid= 0;
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hei= 0;
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sqr = 0;
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winlen = 0;
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loadFile = NULL;
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argp_parse(&argp, argc, argv, 0, 0, &arguments);
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wid = arguments.width;
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hei = arguments.height;
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sqr = arguments.square;
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winlen = arguments.winL;
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if (arguments.loadFile != NULL) {
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loadFile = arguments.loadFile;
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}
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} |