diff options
Diffstat (limited to 'src/checker/check.c')
| -rw-r--r-- | src/checker/check.c | 132 |
1 files changed, 57 insertions, 75 deletions
diff --git a/src/checker/check.c b/src/checker/check.c index d4ab16f..b1ef4ca 100644 --- a/src/checker/check.c +++ b/src/checker/check.c @@ -1,109 +1,91 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* check.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/01/18 10:16:08 by cacharle #+# #+# */ +/* Updated: 2020/01/18 10:52:42 by cacharle ### ########.fr */ +/* */ +/* ************************************************************************** */ + #include "checker.h" -t_status check(t_stack *a, t_stack *b) +#define ACTION_ID_BUF_SIZE 4 + +t_status check(t_stack *a, t_stack *b) { - t_action action; - t_list *tmp; - t_list *action_stack; + t_status read_status; - action_stack = NULL; - while ((action = read_action()) != ACTION_EOF) - { - if (action == ACTION_ERROR || (tmp = ft_lstnew((void*)action)) == NULL) - { - ft_lstclear(&action_stack, NULL); - return (STATUS_FAILURE); - } - ft_lstadd_front(&action_stack, tmp); - } - action_stack = ft_lstreverse_ret(action_stack); - while (action_stack != NULL) - { - exec_action((t_action)action_stack->content, a, b); - ft_lstpop_front(&action_stack, NULL); - } + while ((read_status = read_action(a, b)) != STATUS_EOF) + if (read_status == STATUS_ERROR) + return (STATUS_ERROR); return (stack_sorted(a) && stack_empty(b) ? STATUS_SUCCESS : STATUS_FAILURE); } -t_action read_action(void) +t_status read_action(t_stack *a, t_stack *b) { int i; int ret; char c; - char buf[4]; + char buf[ACTION_ID_BUF_SIZE]; ft_bzero(buf, sizeof(char) * 4); i = 0; while ((ret = read(STDIN_FILENO, &c, 1)) > 0) { if (c == '\n') - return (str_action(buf)); - if (i >= 3) - return (ACTION_ERROR); + return (exec_action(buf, a, b)); + if (i >= ACTION_ID_BUF_SIZE - 1) + return (STATUS_ERROR); buf[i++] = c; buf[i] = '\0'; } - return (ret == 0 ? ACTION_EOF : ACTION_ERROR); + return (ret == 0 ? STATUS_EOF : STATUS_ERROR); } -t_action str_action(char *s) -{ - if (ft_strcmp(s, "sa") != 0) - return (ACTION_SA); - if (ft_strcmp(s, "sb") != 0) - return (ACTION_SB); - if (ft_strcmp(s, "ss") != 0) - return (ACTION_SS); - if (ft_strcmp(s, "pa") != 0) - return (ACTION_PA); - if (ft_strcmp(s, "pa") != 0) - return (ACTION_PB); - if (ft_strcmp(s, "ra") != 0) - return (ACTION_RA); - if (ft_strcmp(s, "rb") != 0) - return (ACTION_RB); - if (ft_strcmp(s, "rr") != 0) - return (ACTION_RR); - if (ft_strcmp(s, "rra") != 0) - return (ACTION_RRA); - if (ft_strcmp(s, "rrb") != 0) - return (ACTION_RRB); - if (ft_strcmp(s, "rrr") != 0) - return (ACTION_RRR); - return (ACTION_ERROR); -} +t_action g_actions[] = { + {"sa", FLAG_ARG_A, {.arg_1 = &swap_a}}, + {"sb", FLAG_ARG_B, {.arg_1 = &swap_b}}, + {"ss", FLAG_ARG_A_B, {.arg_2 = &swap_both}}, + {"pa", FLAG_ARG_A_B, {.arg_2 = push_a}}, + {"pb", FLAG_ARG_B_A, {.arg_2 = push_a}}, + {"ra", FLAG_ARG_A, {.arg_1 = rotate_a}}, + {"rb", FLAG_ARG_B, {.arg_1 = rotate_b}}, + {"rr", FLAG_ARG_A_B, {.arg_2 = rotate_both}}, + {"rra", FLAG_ARG_A, {.arg_1 = reverse_rotate_a}}, + {"rrb", FLAG_ARG_B, {.arg_1 = reverse_rotate_b}}, + {"rrr", FLAG_ARG_A_B, {.arg_2 = reverse_rotate_both}}, +}; -void exec_action(t_action action, t_stack *a, t_stack *b) +#define ACTIONS_SIZE (sizeof(g_actions) / sizeof(t_action)) + +t_status exec_action(char action_id[ACTION_ID_BUF_SIZE], t_stack *a, t_stack *b) { - if (action == ACTION_SA) - swap_a(a); - else if (action == ACTION_SB) - swap_b(b); - else if (action == ACTION_SS) - swap_both(a, b); - else if (action == ACTION_PA) - push_a(a, b); - else if (action == ACTION_PB) - push_b(b, a); - else if (action == ACTION_RA) - rotate_a(a); - else if (action == ACTION_RB) - rotate_b(b); - else if (action == ACTION_RR) - rotate_both(a, b); - else if (action == ACTION_RRA) - reverse_rotate_a(a); - else if (action == ACTION_RRB) - reverse_rotate_b(b); - else if (action == ACTION_RRR) - reverse_rotate_both(a, b); + int i; + + i = -1; + while (ft_strcmp(action_id, g_actions[i].id) != 0) + i++; + if (i == ACTIONS_SIZE) + return (STATUS_ERROR); + if (g_actions[i].args & FLAG_ARG_A) + g_actions[i].func.arg_1(a); + else if (g_actions[i].args & FLAG_ARG_B) + g_actions[i].func.arg_1(b); + else if (g_actions[i].args & FLAG_ARG_A_B) + g_actions[i].func.arg_2(a, b); + return (STATUS_SUCCESS); } t_bool stack_sorted(t_stack *stack) { int i; + if (stack_length(stack) < 2) + return (TRUE); i = -1; while (++i < stack->top - 1) if (stack->elements[i] > stack->elements[i + 1]) |