Add basic auto completion

FIX.md

@@ -4,8 +4,7 @@
 - [ ] !x no args
 - [x] Conditional jump/ invalid read with cd (PWD env var set)
 - [x] Alias loop
-- [ ] All AFL crashes
-- [ ] Fix CTRL+E and ->
+- [x] Fix CTRL+E and ->
 - [x] Multi line editing
 - [ ] Foreach in if
 - [x] Output flushing when open an other shell with 42sh

TODO.md

@@ -1,7 +1,7 @@
 # TODO
 - [x] Add job control in main branch
-- [ ] Add auto complete
-- [ ] Finish line editing
+- [x] Add auto complete
 - [ ] Syntax highlighting
-- [ ] CTRL+R
+- [x] CTRL+R
 - [x] Git integration
+- [x] Finish line editing

src/repl/auto_completion.c

@@ -0,0 +1,61 @@
+/*
+** EPITECH PROJECT, 2025
+** __
+** File description:
+** _
+*/
+
+#include <ctype.h>
+#include <glob.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "readline.h"
+
+static
+buff_t get_current_word(readline_helper_t *rh, buff_t *buff)
+{
+    buff_t word = {buff->str, .sz = rh->cursor};
+
+    for (size_t i = rh->cursor; i; i--) {
+        if (isblank(buff->str[i])) {
+            word.str = &buff->str[i + 1];
+            word.sz = rh->cursor - (i + 1);
+            break;
+        }
+    }
+    return word;
+}
+
+bool handle_key_tab(readline_helper_t *rh, exec_ctx_t *ec, buff_t *buff)
+{
+    buff_t word;
+    glob_t globs;
+    char *pattern;
+
+    if (!rh->cursor || !buff->sz)
+        return false;
+    printf("TAB\n");
+    word = get_current_word(rh, buff);
+    printf("Current word [%.*s]\n", (int)word.sz, word.str);
+    pattern = malloc(sizeof *pattern * (word.sz + 2));
+    if (pattern == nullptr)
+        return true;
+    strncpy(pattern, word.str, word.sz);
+    strcpy(pattern + word.sz, "*\0");
+    printf("Gen pattern [%s]\n", pattern);
+    if (glob(pattern, GLOB_ERR, nullptr, &globs) != 0)
+        return false;
+    for (size_t i = 0; i < globs.gl_pathc; i++) {
+        printf("Path v [%s] [%zu]\n", globs.gl_pathv[i], i);
+    }
+    if (!ensure_buff_av_capacity(buff, strlen(globs.gl_pathv[0])))
+        return true;
+    strcpy(word.str, globs.gl_pathv[0]);
+    buff->sz += strlen(globs.gl_pathv[0]) - word.sz;
+    rh->cursor = buff->sz;
+    refresh_line(rh);
+    free(pattern);
+    return false;
+}

src/repl/key_handler.h

@@ -31,6 +31,7 @@ bool handle_key_ctrl_y(readline_helper_t *rh, exec_ctx_t *, buff_t *buff);
 bool handle_key_ctrl_r(readline_helper_t *rh, exec_ctx_t *ec, buff_t *buff);
 bool handle_backspace(readline_helper_t *rh, exec_ctx_t *ec, buff_t *buff);
 bool handle_delete(readline_helper_t *rh, exec_ctx_t *, buff_t *buff);
+bool handle_key_tab(readline_helper_t *rh, exec_ctx_t *ec, buff_t *buff);
 
 // Arrows
 bool handle_key_arrow_up(readline_helper_t *rh, exec_ctx_t *ec, buff_t *buff);

src/repl/repl.c

@@ -34,6 +34,7 @@ const key_handler_t KEY_HANDLERS[] = {
     {ESC "[B", handle_key_arrow_down},
     {ESC "[C", handle_key_arrow_right},
     {ESC "[D", handle_key_arrow_left},
+    {"\t", handle_key_tab},
     {"\x7f", handle_backspace},
     {"\x1b[3~", handle_delete},
 };
@@ -62,6 +63,10 @@ void print_git_prompt(git_status_t *gs)
 {
     if (!gs->ahead && !gs->behind)
         printf(BLUE " [" RED "%s" BLUE "] " RESET "-", gs->branch);
+    if (gs->ahead)
+        printf(BLUE " [" RED "%s" GREEN " +" BLUE "] " RESET "-", gs->branch);
+    else if (gs->behind)
+        printf(BLUE " [" RED "%s" RED " -" BLUE "] " RESET "-", gs->branch);
 }
 
 static
@@ -105,26 +110,14 @@ void print_shell_prompt(exec_ctx_t *ec)
     }
 }
 
-void init_shell_repl(exec_ctx_t *ec)
+bool is_sequence(char *read_buff)
 {
-    struct termios new_settings = ec->saved_term_settings;
-
-    ec->is_running = true;
-    if (ec->isatty) {
-        setvbuf(stdout, nullptr, _IONBF, 0);
-        WRITE_CONST(STDOUT_FILENO, BLINKING_VERTICAL_CURSOR);
-        new_settings.c_iflag &= ~IXON;
-        new_settings.c_lflag &= ~(ECHO | ICANON | ISIG);
-        new_settings.c_cc[VMIN] = 1;
-        new_settings.c_cc[VTIME] = 0;
-        tcsetattr(ec->read_fd, TCSANOW, &new_settings);
+    for (size_t i = 0; i < sizeof KEY_HANDLERS / sizeof *KEY_HANDLERS; i++) {
+        if (strncmp(read_buff, KEY_HANDLERS[i].name,
+            strlen(KEY_HANDLERS[i].name)) == 0)
+            return true;
     }
-}
-
-void restore_term_flags(exec_ctx_t *exec_ctx)
-{
-    if (exec_ctx->isatty)
-        tcsetattr(exec_ctx->read_fd, TCSANOW, &exec_ctx->saved_term_settings);
+    return false;
 }
 
 ssize_t handle_keys(
@@ -133,6 +126,8 @@ ssize_t handle_keys(
     char const *read_buff,
     size_t len)
 {
+    if (!rh->ec->isatty)
+        return 0;
     for (size_t i = 0; i < sizeof KEY_HANDLERS / sizeof *KEY_HANDLERS; i++) {
         if (strncmp(read_buff, KEY_HANDLERS[i].name,
                 strlen(KEY_HANDLERS[i].name)) != 0)
@@ -143,5 +138,5 @@ ssize_t handle_keys(
     }
     for (size_t i = 0; i < len; i++)
         U_DEBUG("<- [%d]\n", read_buff[i]);
-    return 1;
+    return 0;
 }

src/repl/term.c

@@ -0,0 +1,36 @@
+/*
+** EPITECH PROJECT, 2025
+** __
+** File description:
+** _
+*/
+
+
+#include <stdio.h>
+#include <unistd.h>
+
+#include "builtins_handler.h"
+#include "u_str.h"
+#include "vt100_esc_codes.h"
+
+void init_shell_repl(exec_ctx_t *ec)
+{
+    struct termios new_settings = ec->saved_term_settings;
+
+    ec->is_running = true;
+    if (ec->isatty) {
+        setvbuf(stdout, nullptr, _IONBF, 0);
+        WRITE_CONST(STDOUT_FILENO, BLINKING_VERTICAL_CURSOR);
+        new_settings.c_iflag &= ~IXON;
+        new_settings.c_lflag &= ~(ECHO | ICANON | ISIG);
+        new_settings.c_cc[VMIN] = 1;
+        new_settings.c_cc[VTIME] = 0;
+        tcsetattr(ec->read_fd, TCSANOW, &new_settings);
+    }
+}
+
+void restore_term_flags(exec_ctx_t *exec_ctx)
+{
+    if (exec_ctx->isatty)
+        tcsetattr(exec_ctx->read_fd, TCSANOW, &exec_ctx->saved_term_settings);
+}