103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* lem_in.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: mndhlovu <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/03/25 06:31:05 by mndhlovu #+# #+# */
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/* Updated: 2019/04/14 12:22:28 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "lem_in.h"
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static t_node *get_node_role(t_lmdata *data, char role)
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{
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t_node *it;
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it = data->nodes_data;
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while (it)
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{
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if (it->role == role)
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return (it);
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it = it->next;
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}
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return (NULL);
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}
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static int get_nb_paths(t_ind **ret)
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{
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int i;
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i = 0;
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while (ret[i])
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i++;
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return (i);
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}
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static void get_nb_paths_max(t_lmdata *data, int start, int end)
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{
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int i;
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int j;
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t_ind *it;
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i = 0;
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j = 0;
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it = data->adj[start];
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while (it && ++i)
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it = it->next;
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it = data->adj[end];
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while (it && ++j)
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it= it->next;
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data->nb_paths_max = (i > j) ? j : i;
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}
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static int lem_in(t_syntax *synt, t_holder *holder,
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t_lmdata *lmdata, t_ind ***ret)
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{
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if (!(lm_parser(synt, lmdata, holder)))
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return (0);
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if (!(lm_verify_cmd(synt, holder, lmdata)))
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return (0);
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if (!lst_indinit(lmdata))
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return (0);
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if (!(lm_adj_parser(lmdata, holder)))
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return (0);
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lm_clear_unv(holder);
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get_nb_paths_max(lmdata, get_node_role(lmdata, 's')->ind
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, get_node_role(lmdata, 'e')->ind);
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if ((*ret = edmunds_karp(lmdata, get_node_role(lmdata, 's')->ind
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, get_node_role(lmdata, 'e')->ind)) == NULL)
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return (0);
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if (!push_ants(lmdata, *ret, get_nb_paths(*ret)))
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return (0);
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tablst_inddel(*ret);
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return (1);
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}
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int lm_error_exit(void)
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{
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ft_putendl_fd("ERROR", 2);
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return (1);
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}
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int main(int ac, char **av)
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{
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t_syntax synt;
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t_lmdata ldata;
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t_holder holder;
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t_ind **ret;
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(void)av;
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if (ac == 1)
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{
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lm_init_data(&synt, &holder, &ldata);
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if (!(lem_in(&synt, &holder, &ldata, &ret)))
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return (lm_error_exit());
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lm_clean_data(&ldata);
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return (0);
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}
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return (1);
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}
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