minishell/sources/main.c
2024-10-14 14:09:48 +02:00

146 lines
3.9 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/03/28 14:40:38 by rparodi #+# #+# */
/* Updated: 2024/10/14 14:01:19 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "app/colors.h"
#include "app/env.h"
#include "app/signal_handler.h"
#include "app/state.h"
#include "ast/ast.h"
#include "exec/_run_ast.h"
#include "line/line.h"
#include "me/hashmap/hashmap_env.h"
#include "me/mem/mem.h"
#include "me/str/str.h"
#include "me/string/string.h"
#include "me/types.h"
#include "me/vec/vec_str.h"
#include "me/vec/vec_token.h"
#include "parser/passes.h"
#include "parser/token.h"
#include <errno.h>
#include <sys/types.h>
#include "me/convert/str_to_numbers.h"
#include "me/convert/numbers_to_str.h"
t_error get_user_input(t_state *state);
void ast_print_node(t_ast_node self);
void ft_exit(t_state *maiboyerlpb, t_u8 exit_status);
void exec_shcat(t_state *state);
void ft_take_args(t_state *state);
#define DFT_PATH "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
// Foutre envp dans env
// Chaque elemenet d'envp split au premier =
// cle avant le =
// data apres le =
void ast_free(t_ast_node node);
t_error split_str_first(t_const_str s, char splitter, t_str *before,
t_str *after)
{
t_usize i;
if (s == NULL || before == NULL || after == NULL || splitter == '\0')
return (ERROR);
i = 0;
while (s[i] != '\0' && s[i] != splitter)
i++;
if (s[i] == '\0')
return (ERROR);
if (i == 0)
i = 1;
*before = str_substring(s, 0, i);
*after = str_substring(s, i + 1, ~(t_usize)0);
return (NO_ERROR);
}
void append_default_env(t_hashmap_env *env)
{
t_str *tmp;
t_str key;
t_str tmp2;
t_u64 shlvl;
key = "SHLVL";
shlvl = 0;
tmp = hmap_env_get(env, &key);
(void)(tmp != NULL && str_to_u64(*tmp, 10, &shlvl));
(void)((tmp != NULL) && (str_free(*tmp), 1));
if (u64_to_str(shlvl + 1, &tmp2))
me_abort("Failed to set SHLVL");
hmap_env_insert(env, str_clone(key), tmp2);
key = "PATH";
tmp = hmap_env_get(env, &key);
if (tmp == NULL)
hmap_env_insert(env, str_clone(key), str_clone(DFT_PATH));
}
t_error populate_env(t_hashmap_env *env, t_str envp[])
{
t_usize i;
t_str temp[2];
i = 0;
if (envp == NULL || env == NULL)
return (ERROR);
while (envp[i] != NULL)
{
if (split_str_first(envp[i], '=', &temp[0], &temp[1]))
return (ERROR);
if (temp[0] == NULL || temp[1] == NULL)
return (ERROR);
(hmap_env_insert(env, temp[0], temp[1]));
i++;
}
append_default_env(env);
return (NO_ERROR);
}
t_error yard(t_vec_token ts, t_vec_ast *output);
t_error parse_str(t_state *state)
{
t_vec_token tokens;
t_vec_ast ast;
if (tokenize(state->str_input, &tokens))
return (ERROR);
if (ts_apply_passes(tokens, &tokens))
return (ERROR);
if (yard(tokens, &ast))
return (ERROR);
if (ast.len != 1)
return (ERROR);
vec_ast_pop(&ast, &state->ast);
vec_ast_free(ast);
return (NO_ERROR);
}
t_i32 main(t_i32 argc, t_str argv[], t_str envp[])
{
t_state state;
(void)argc;
(void)argv;
if (install_signal())
me_abort("Unable to install signals");
state = (t_state){};
state.env = create_env_map();
state.tmp_var = create_env_map();
if (populate_env(state.env, envp))
me_abort("Unable to build env hashmap");
state.prompt = COLB_YELLOW "42sh" COL_GREEN ">" COL_WHITE "$ " RESET;
ft_take_args(&state);
}