[ADD] history parsing command

src/builtin_history.c

@@ -0,0 +1,103 @@
+/*
+** EPITECH PROJECT, 2025
+** history_42sh
+** File description:
+** builtin_history
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "history.h"
+
+/*
+**Il faut deux \0 parce que dans le gettokeniser 
+** y un truc qui regarde
+**après le premier \0
+*/
+
+/*
+**cat in str prend un
+** his_variable_t en 
+** parametre pour 
+** connaitre la coord 
+** d' ou commencer a concaténer
+** mais aussi le nombre de charactère a retiré 
+** il vas free le buffer
+*/
+
+static
+char *cat_in_str()
+{
+    return NULL;
+}
+
+char *his_last_command(char *line, his_variable_t *his_variable, his_command_t *his_command)
+{
+    char *new_line = malloc(sizeof(char) * 10);
+
+    if (new_line == NULL)
+        return NULL;
+    new_line[0] = 'l';
+    new_line[1] = 's';
+    new_line[2] = '\0';
+    new_line[3] = '\0';
+    free(line);
+    return new_line;
+}
+
+char *his_last_same_command(char *line, his_variable_t *his_variable, his_command_t *his_command)
+{
+    char *new_line = malloc(sizeof(char) * 10);
+
+    if (new_line == NULL)
+        return NULL;
+    new_line[0] = 'l';
+    new_line[1] = 's';
+    new_line[2] = '\0';
+    new_line[3] = '\0';
+    free(line);
+    return new_line;
+}
+
+char *his_id_command(char *line, his_variable_t *his_variable, his_command_t *his_command)
+{
+    char *new_line = malloc(sizeof(char) * 10);
+    
+    if (new_line == NULL)
+        return NULL;
+    new_line[0] = 'l';
+    new_line[1] = 's';
+    new_line[2] = '\0';
+    new_line[3] = '\0';
+    free(line);
+    return new_line;
+}
+
+char *his_last_word(char *line, his_variable_t *his_variable, his_command_t *his_command)
+{
+    char *new_line = malloc(sizeof(char) * 10);
+    
+    if (new_line == NULL)
+        return NULL;
+    new_line[0] = 'l';
+    new_line[1] = 's';
+    new_line[2] = '\0';
+    new_line[3] = '\0';
+    free(line);
+    return new_line;
+}
+
+char *his_last_arg(char *line, his_variable_t *his_variable, his_command_t *his_command)
+{
+    char *new_line = malloc(sizeof(char) * 10);
+
+    if (new_line == NULL)
+        return NULL;
+    new_line[0] = 'l';
+    new_line[1] = 's';
+    new_line[2] = '\0';
+    new_line[3] = '\0';
+    free(line);
+    return new_line;
+}

src/history.h

@@ -0,0 +1,43 @@
+/*
+** EPITECH PROJECT, 2025
+** __
+** File description:
+** _
+*/
+
+#ifndef HISTORY_H
+    #define HISTORY_H
+
+    #include <stddef.h>
+
+#define CHAR_HIST '!'
+#define TWO_CHAR_CMD 3
+
+typedef struct history_variable_s {
+        int coord_variable;
+        int size_variable;
+        int type;
+} his_variable_t;
+
+typedef struct history_command_s {
+        int id;
+        char time[5];// []h[]
+        char *command;
+        char *arg;
+        int sz;
+} his_command_t;
+    
+typedef struct parsing_history_s {
+        char *name;
+        char *(*funct)(char *, his_variable_t *, his_command_t *);
+} parsing_history_t;
+
+char *parse_history(char *line, size_t *buffer);
+char *his_last_command(char *line, his_variable_t *his_variable, his_command_t *his_command);
+char *his_last_same_command(char *line, his_variable_t *his_variable, his_command_t *his_command);
+char *his_id_command(char *line, his_variable_t *his_variable, his_command_t *his_command);
+char *his_last_word(char *line, his_variable_t *his_variable, his_command_t *his_command);
+char *his_last_arg(char *line, his_variable_t *his_variable, his_command_t *his_command);
+#endif /* HISTORY_H */
+
+

src/parse_history.c

@@ -0,0 +1,98 @@
+/*
+** EPITECH PROJECT, 2025
+** history_42sh
+** File description:
+** his for history
+*/
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "common.h"
+#include "env.h"
+#include "exec.h"
+#include "u_mem.h"
+#include "u_str.h"
+#include "history.h"
+
+const parsing_history_t tab_fnct[] = {
+    {"!!", &his_last_command},//last command
+    {"!$", &his_last_word},//last word command
+    {"!*", &his_last_arg},//last argument commmand
+    {"![command]", &his_last_same_command},//derniere commande + arg sur la derniere meme command dans l historique dans le cas ou il n y a qu un charactère il prend le dernier qui commence par la meme chaine
+    {"![number]", &his_id_command},//id command
+    {NULL, NULL},
+};
+
+static
+int cmd_history_is_in(char *line)
+{
+    for (int i = 0; line[i] != 0; i++)
+        if (line[i] == CHAR_HIST && 
+            (line[i + 1] != ' ' && line[i + 1] != '\t'))
+            return 0;
+    return 1;
+}
+
+static
+int is_two_char_cmd(char *line, int coord_x)
+{
+    if (line[coord_x] != CHAR_HIST)
+        return -1;
+    coord_x++;
+    switch (line[coord_x]){
+        case '!':
+            return 0;
+        case '$':
+            return 1;
+        case '*':
+            return 2;
+    }
+    return -1;
+}
+
+static
+int which_his_cmd(his_variable_t *his_variable, char *line)
+{
+    for (int i = 0; line[i] != '\0' ; i++){
+        his_variable->type = is_two_char_cmd(line, i);
+        if (his_variable->type != -1){
+            his_variable->coord_variable = i;
+            his_variable->size_variable = 2;
+            printf("command find; %s\n", tab_fnct[his_variable->type].name);
+            return 0;
+        }
+    }
+    return 0;
+}
+
+static
+char *replace_history(char *line)
+{
+    his_variable_t his_variable = {0, 0, -1};
+    
+    which_his_cmd(&his_variable, line);
+    while(his_variable.type != -1){
+        line = tab_fnct[his_variable.type].funct(line, &his_variable, NULL);
+        if (line == NULL)
+            return NULL;
+        which_his_cmd(&his_variable, line);
+    }
+    return line;
+}
+
+char *parse_history(char *line, size_t *buffer_len)//Faire passer une structure avec l historique
+{
+    if (cmd_history_is_in(line) == 0){
+        line = replace_history(line);
+        if (line == NULL)
+            return NULL;
+        *buffer_len = u_strlen(line) + 1;
+        printf("FIND ! |%s| in line\n-------------\n", line);
+        return line;
+    }
+    printf("PARSING HIS; %s try to find : %c\n", line, CHAR_HIST);
+    return line;
+}

src/shell.c

@@ -17,6 +17,7 @@
 #include "env.h"
 #include "shell.h"
 #include "u_str.h"
+#include "history.h"
 
 __attribute__((unused))
 static
@@ -55,20 +56,21 @@ int shell_loop(env_t *env, int is_a_tty, history_t *history)
     while (true) {
         if (is_a_tty)
             WRITE_CONST(STDOUT_FILENO, SHELL_PROMPT);
-        if (getline(&buffer, &buffer_sz, stdin) == -1)
+        if (getline(&buffer, &buffer_sz, stdin) == -1)//passer la ligne 59 a 63 dans une fonction
             break;
         buffer_len = u_strlen(buffer);
+        buffer = parse_history(buffer, &buffer_len);
         if (buffer_len < 2 || !u_str_is_alnum(buffer)) {
             check_basic_error(buffer);
             continue;
         }
+        /*SAVE COMMAND pour evité le cas !4 !3*/
         buffer[buffer_len - 1] = '\0';
         U_DEBUG("Buffer [%lu] [%s]\n", buffer_len, buffer);
         visitor(buffer, env, history);
     }
     return (free(buffer), history->last_exit_code);
 }
-
 int shell(char **env_ptr)
 {
     env_t env = parse_env(env_ptr);