uni/inf1060/hw2/argparser.c

#include "argparser.h"

#include <stdlib.h>
#include <ctype.h>

#include <stdio.h>
#include <string.h>

void argparser_parse(char **buf, int max, char *str)
{
	// Clear buf array
	for (int i = 0; i < max; ++i)
		buf[i] = NULL;

	int argc = 0;

	char c;
	for (int i = 0; (c = str[i]) != '\0'; ++i)
	{
		// Strings in quotes
		if (c == '"')
		{
			int start = i + 1;
			do ++i; while (str[i] != '\0' && str[i] != '"');
			buf[argc++] = str + start;

			if (str[i] == '\0')
				break;
			else
				str[i] = '\0';
		}

		// String without quotes
		else if (!isspace(str[i]))
		{
			int start = i;
			while (str[i] != '\0' && !isspace(str[i])) i += 1;
			buf[argc++] = str + start;

			if (str[i] == '\0')
				break;
			else
				str[i] = '\0';
		}

		if (argc >= max)
			break;
	}
}