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Updated linenoise and printf to better work

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Maieul BOYER 2024-07-07 19:50:33 +02:00
parent 0e18e20181
commit 8808f81221
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28 changed files with 657 additions and 579 deletions
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524
line/src/line.c
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@ -1,3 +1,14 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* line.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/07 16:53:27 by maiboyer #+# #+# */
/* Updated: 2024/07/07 19:22:53 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include <ctype.h>
#include <errno.h>
@ -20,8 +31,8 @@
#include "me/types.h"
#include "me/vec/vec_str.h"
static t_str linenoiseNoTTY(void);
static void refreshLineWithFlags(t_line_state *l, int flags);
t_raw_mode_state *get_raw_mode_state(void);
t_vec_str *get_history(void);
t_vec_str *get_history(void)
{
@ -36,75 +47,92 @@ t_vec_str *get_history(void)
return (&history);
}
t_raw_mode_state *get_raw_mode_state(void)
{
static t_raw_mode_state state = {};
return (&state);
}
enum e_key_action
{
KEY_NULL = 0, /* NULL */
CTRL_A = 1, /* Ctrl+a */
CTRL_B = 2, /* Ctrl-b */
CTRL_C = 3, /* Ctrl-c */
CTRL_D = 4, /* Ctrl-d */
CTRL_E = 5, /* Ctrl-e */
CTRL_F = 6, /* Ctrl-f */
CTRL_H = 8, /* Ctrl-h */
TAB = 9, /* Tab */
CTRL_K = 11, /* Ctrl+k */
CTRL_L = 12, /* Ctrl+l */
ENTER = 13, /* Enter */
CTRL_N = 14, /* Ctrl-n */
CTRL_P = 16, /* Ctrl-p */
CTRL_T = 20, /* Ctrl-t */
CTRL_U = 21, /* Ctrl+u */
CTRL_W = 23, /* Ctrl+w */
ESC = 27, /* Escape */
BACKSPACE = 127 /* Backspace */
K_KEY_NULL = 0, /* NULL */
K_CTRL_A = 1, /* Ctrl+a */
K_CTRL_B = 2, /* Ctrl-b */
K_CTRL_C = 3, /* Ctrl-c */
K_CTRL_D = 4, /* Ctrl-d */
K_CTRL_E = 5, /* Ctrl-e */
K_CTRL_F = 6, /* Ctrl-f */
K_CTRL_H = 8, /* Ctrl-h */
K_TAB = 9, /* Tab */
K_CTRL_K = 11, /* Ctrl+k */
K_CTRL_L = 12, /* Ctrl+l */
K_ENTER = 13, /* Enter */
K_CTRL_N = 14, /* Ctrl-n */
K_CTRL_P = 16, /* Ctrl-p */
K_CTRL_T = 20, /* Ctrl-t */
K_CTRL_U = 21, /* Ctrl+u */
K_CTRL_W = 23, /* Ctrl+w */
K_ESC = 27, /* Escape */
K_BACKSPACE = 127 /* Backspace */
};
#define REFRESH_CLEAN (1 << 0) // Clean the old prompt from the screen
#define REFRESH_WRITE (1 << 1) // Rewrite the prompt on the screen.
#define REFRESH_ALL (REFRESH_CLEAN | REFRESH_WRITE) // Do both.
enum e_line_flags
{
REFRESH_CLEAN = 1 << 0, // Clean the old prompt from the screen
REFRESH_WRITE = 1 << 1, // Rewrite the prompt on the screen.
REFRESH_ALL = REFRESH_CLEAN | REFRESH_WRITE, // Do both.
};
int linenoiseHistoryAdd(const char *line);
static void linenoise_uninit_lib(void);
static void refreshLine(t_line_state *l);
typedef enum e_line_flags t_line_flags;
/* Debugging macro. */
#if 0
FILE *lndebug_fp = NULL;
# define lndebug(...) \
do \
{ \
if (lndebug_fp == NULL) \
{ \
lndebug_fp = fopen("/tmp/lndebug.txt", "a"); \
fprintf(lndebug_fp, "[%d %d %d] p: %d, rows: %d, rpos: %d, max: %d, oldmax: %d\n", (int)l->len, (int)l->pos, (int)l->oldpos, \
plen, rows, rpos, (int)l->oldrows, old_rows); \
} \
fprintf(lndebug_fp, ", " __VA_ARGS__); \
fflush(lndebug_fp); \
} while (0)
#else
# define lndebug(fmt, ...)
#endif
void linenoise_clear_screen(t_fd *output);
void linenoise_disable_raw_mode(t_fd *fd);
t_error linenoise_enable_raw_mode(t_fd *fd);
t_u32 linenoise_get_columns(t_fd *input, t_fd *output);
t_error linenoise_get_cursor_position(t_fd *input, t_fd *output, t_u32 *column_out);
t_error linenoise_history_add(t_const_str line);
t_str linenoise_no_tty_impl(void);
void linenoise_refresh_line(t_line_state *l);
void linenoise_refresh_line_with_flags(t_line_state *l, t_line_flags flags);
void linenoise_uninit_lib(void);
/* Free the history, but does not reset it. Only used when we have to
* exit() to avoid memory leaks are reported by valgrind & co. */
void free_history(void)
{
t_vec_str *history = get_history();
vec_str_free(*history);
}
/* At exit we'll try to fix the terminal to the initial conditions. */
__attribute__((destructor)) void linenoise_uninit_lib(void)
{
linenoise_disable_raw_mode(get_stdin());
free_history();
}
#define lndebug(fmt, ...)
/* ======================= Low level terminal handling ====================== */
/* Use the ESC [6n escape sequence to query the horizontal cursor position
* and return it. On error -1 is returned, on success the position of the
* cursor. */
static int getCursorPosition(int ifd, int ofd)
t_error linenoise_get_cursor_position(t_fd *input, t_fd *output, t_u32 *column_out)
{
char buf[32];
int cols, rows;
unsigned int i = 0;
/* Report cursor location */
if (write(ofd, "\x1b[6n", 4) != 4)
return -1;
if (write(output->fd, "\x1b[6n", 4) != 4)
return (ERROR);
/* Read the response: ESC [ rows ; cols R */
while (i < sizeof(buf) - 1)
{
if (read(ifd, buf + i, 1) != 1)
if (read(input->fd, buf + i, 1) != 1)
break;
if (buf[i] == 'R')
break;
@ -113,77 +141,63 @@ static int getCursorPosition(int ifd, int ofd)
buf[i] = '\0';
/* Parse it. */
if (buf[0] != ESC || buf[1] != '[')
return -1;
if (buf[0] != K_ESC || buf[1] != '[')
return (ERROR);
if (sscanf(buf + 2, "%d;%d", &rows, &cols) != 2)
return -1;
return cols;
return (ERROR);
return (*column_out = cols, NO_ERROR);
}
/* Try to get the number of columns in the current terminal, or assume 80
* if it fails. */
static t_u32 getColumns(int ifd, int ofd)
t_u32 linenoise_get_columns(t_fd *input, t_fd *output)
{
struct winsize ws;
t_u32 start, cols;
t_u32 cols;
t_u32 start;
if (ioctl(1, TIOCGWINSZ, &ws) == -1 || ws.ws_col == 0)
{
/* ioctl() failed. Try to query the terminal itself. */
/* Get the initial position so we can restore it later. */
start = getCursorPosition(ifd, ofd);
if (start == -1)
return 80;
if (linenoise_get_cursor_position(input, output, &start))
return (80);
/* Go to right margin and get position. */
if (write(ofd, "\x1b[999C", 6) != 6)
return 80;
cols = getCursorPosition(ifd, ofd);
if (cols == -1)
return 80;
me_eprintf("going to the right;\n");
me_printf_fd(output, "\x1b[999C");
if (linenoise_get_cursor_position(input, output, &cols))
return (80);
/* Restore position. */
if (cols > start)
{
t_u8 seq[32];
me_printf(seq, 32, "\x1b[%dD", cols - start);
(void)!(write(ofd, seq, strlen(seq)) == -1);
me_eprintf("reseting col;\n");
me_printf_fd(output, "\x1b[%dD", cols - start);
}
return cols;
return (cols);
}
else
{
return ws.ws_col;
}
failed:
return (ws.ws_col);
}
/* Clear the screen. Used to handle ctrl+l */
void linenoiseClearScreen(void)
void linenoise_clear_screen(t_fd *output)
{
(void)!write(STDOUT_FILENO, "\x1b[H\x1b[2J", 7);
}
t_raw_mode_state *get_raw_mode_state(void)
{
static t_raw_mode_state state = {};
return (&state);
me_eprintf("clear screen;\n");
me_printf_fd(output, "\x1b[H\x1b[2J");
}
/* Raw mode: 1960 magic shit. */
static t_error enableRawMode(int fd)
t_error linenoise_enable_raw_mode(t_fd *fd)
{
struct termios raw;
t_raw_mode_state *raw_state;
raw_state = get_raw_mode_state();
if (!isatty(STDIN_FILENO))
if (!isatty(fd->fd))
return (errno = ENOTTY, ERROR);
if (tcgetattr(fd, &raw_state->state) == -1)
if (tcgetattr(fd->fd, &raw_state->state) == -1)
return (errno = ENOTTY, ERROR);
raw = raw_state->state; /* modify the original mode */
@ -203,18 +217,18 @@ static t_error enableRawMode(int fd)
raw.c_cc[VTIME] = 0; /* 1 byte, no timer */
/* put terminal in raw mode after flushing */
if (tcsetattr(fd, TCSAFLUSH, &raw) < 0)
if (tcsetattr(fd->fd, TCSAFLUSH, &raw) < 0)
return (errno = ENOTTY, ERROR);
raw_state->enabled = true;
return (NO_ERROR);
}
static void disableRawMode(int fd)
void linenoise_disable_raw_mode(t_fd *fd)
{
t_raw_mode_state *state;
state = get_raw_mode_state();
if (state->enabled && tcsetattr(fd, TCSAFLUSH, &state->state) != -1)
if (state->enabled && tcsetattr(fd->fd, TCSAFLUSH, &state->state) != -1)
state->enabled = false;
}
@ -224,33 +238,6 @@ static void disableRawMode(int fd)
* allocated string where we can append to. This is useful in order to
* write all the escape sequences in a buffer and flush them to the standard
* output in a single call, to avoid flickering effects. */
struct abuf
{
char *b;
int len;
};
static void abInit(struct abuf *ab)
{
ab->b = NULL;
ab->len = 0;
}
static void abAppend(struct abuf *ab, const char *s, int len)
{
char *new = mem_realloc(ab->b, ab->len + len);
if (new == NULL)
return;
memcpy(new + ab->len, s, len);
ab->b = new;
ab->len += len;
}
static void abFree(struct abuf *ab)
{
mem_free(ab->b);
}
/* Single line low level line refresh.
*
@ -259,85 +246,76 @@ static void abFree(struct abuf *ab)
*
* Flags is REFRESH_* macros. The function can just remove the old
* prompt, just write it, or both. */
static void refreshSingleLine(struct s_line_state *l, int flags)
void linenoise_refresh_single_line(t_line_state *l, t_line_flags flags)
{
char seq[64];
size_t plen = strlen(l->prompt);
int fd = l->output_fd;
char *buf = l->buf;
size_t len = l->len;
size_t pos = l->pos;
struct abuf ab;
size_t prompt_len = strlen(l->prompt);
t_str input_buf = l->buf;
size_t input_len = l->len;
size_t cursor_pos = l->pos;
t_string str;
while ((plen + pos) >= l->columns)
while ((prompt_len + cursor_pos) >= l->columns)
{
buf++;
len--;
pos--;
}
while (plen + len > l->columns)
{
len--;
input_buf++;
input_len--;
cursor_pos--;
}
while (prompt_len + input_len > l->columns)
input_len--;
abInit(&ab);
/* Cursor to left edge */
snprintf(seq, sizeof(seq), "\r");
abAppend(&ab, seq, strlen(seq));
str = string_new(16);
string_push_char(&str, '\r');
if (flags & REFRESH_WRITE)
{
/* Write the prompt and the current buffer content */
abAppend(&ab, l->prompt, strlen(l->prompt));
abAppend(&ab, buf, len);
string_push(&str, l->prompt);
string_push(&str, input_buf); // , len);
}
string_push(&str, "\x1b[0K");
/* Erase to right */
snprintf(seq, sizeof(seq), "\x1b[0K");
abAppend(&ab, seq, strlen(seq));
if (flags & REFRESH_WRITE)
{
/* Move cursor to original position. */
snprintf(seq, sizeof(seq), "\r\x1b[%dC", (int)(pos + plen));
abAppend(&ab, seq, strlen(seq));
// TODO: finish this line with me_printf_str
me_printf_str(&str, "\r\x1b[%dC", (int)(cursor_pos + prompt_len));
}
if (write(fd, ab.b, ab.len) == -1)
{
} /* Can't recover from write error. */
abFree(&ab);
me_eprintf("refresh single line;\n");
me_printf_fd(l->output_fd, "%s", str.buf);
string_free(str);
}
/* Calls the two low level functions refreshSingleLine() or
* refreshMultiLine() according to the selected mode. */
static void refreshLineWithFlags(struct s_line_state *l, int flags)
void linenoise_refresh_line_with_flags(t_line_state *l, t_line_flags flags)
{
refreshSingleLine(l, flags);
linenoise_refresh_single_line(l, flags);
}
/* Utility function to avoid specifying REFRESH_ALL all the times. */
static void refreshLine(struct s_line_state *l)
void linenoise_refresh_line(t_line_state *l)
{
refreshLineWithFlags(l, REFRESH_ALL);
linenoise_refresh_line_with_flags(l, REFRESH_ALL);
}
/* Hide the current line, when using the multiplexing API. */
void linenoiseHide(struct s_line_state *l)
void linenoise_hide(t_line_state *l)
{
refreshSingleLine(l, REFRESH_CLEAN);
linenoise_refresh_single_line(l, REFRESH_CLEAN);
}
/* Show the current line, when using the multiplexing API. */
void linenoiseShow(struct s_line_state *l)
void linenoise_show(t_line_state *l)
{
refreshLineWithFlags(l, REFRESH_WRITE);
linenoise_refresh_line_with_flags(l, REFRESH_WRITE);
}
/* Insert the character 'c' at cursor current position.
*
* On error writing to the terminal -1 is returned, otherwise 0. */
int linenoiseEditInsert(struct s_line_state *l, char c)
t_error linenoise_edit_insert(t_line_state *l, char c)
{
if (l->len < l->buflen)
{
@ -347,7 +325,7 @@ int linenoiseEditInsert(struct s_line_state *l, char c)
l->pos++;
l->len++;
l->buf[l->len] = '\0';
refreshLine(l);
linenoise_refresh_line(l);
}
else
{
@ -356,49 +334,49 @@ int linenoiseEditInsert(struct s_line_state *l, char c)
l->len++;
l->pos++;
l->buf[l->len] = '\0';
refreshLine(l);
linenoise_refresh_line(l);
}
}
return 0;
return (NO_ERROR);
}
/* Move cursor on the left. */
void linenoiseEditMoveLeft(struct s_line_state *l)
void linenoise_edit_move_left(t_line_state *l)
{
if (l->pos > 0)
{
l->pos--;
refreshLine(l);
linenoise_refresh_line(l);
}
}
/* Move cursor on the right. */
void linenoiseEditMoveRight(struct s_line_state *l)
void linenoise_edit_move_right(t_line_state *l)
{
if (l->pos != l->len)
{
l->pos++;
refreshLine(l);
linenoise_refresh_line(l);
}
}
/* Move cursor to the start of the line. */
void linenoiseEditMoveHome(struct s_line_state *l)
void linenoiseEditMoveHome(t_line_state *l)
{
if (l->pos != 0)
{
l->pos = 0;
refreshLine(l);
linenoise_refresh_line(l);
}
}
/* Move cursor to the end of the line. */
void linenoiseEditMoveEnd(struct s_line_state *l)
void linenoise_edit_move_end(t_line_state *l)
{
if (l->pos != l->len)
{
l->pos = l->len;
refreshLine(l);
linenoise_refresh_line(l);
}
}
@ -406,7 +384,7 @@ void linenoiseEditMoveEnd(struct s_line_state *l)
* entry as specified by 'dir'. */
#define LINENOISE_HISTORY_NEXT 0
#define LINENOISE_HISTORY_PREV 1
void linenoiseEditHistoryNext(struct s_line_state *l, int dir)
void linenoise_edit_history_next(t_line_state *l, int dir)
{
t_vec_str *history;
@ -425,7 +403,7 @@ void linenoiseEditHistoryNext(struct s_line_state *l, int dir)
l->history_index = 0;
return;
}
else if (l->history_index >= history->len)
else if ((t_usize)l->history_index >= history->len)
{
l->history_index = history->len - 1;
return;
@ -433,25 +411,25 @@ void linenoiseEditHistoryNext(struct s_line_state *l, int dir)
strncpy(l->buf, history->buffer[history->len - 1 - l->history_index], l->buflen);
l->buf[l->buflen - 1] = '\0';
l->len = l->pos = strlen(l->buf);
refreshLine(l);
linenoise_refresh_line(l);
}
}
/* Delete the character at the right of the cursor without altering the cursor
* position. Basically this is what happens with the "Delete" keyboard key. */
void linenoiseEditDelete(struct s_line_state *l)
void linenoise_edit_delete(t_line_state *l)
{
if (l->len > 0 && l->pos < l->len)
{
memmove(l->buf + l->pos, l->buf + l->pos + 1, l->len - l->pos - 1);
l->len--;
l->buf[l->len] = '\0';
refreshLine(l);
linenoise_refresh_line(l);
}
}
/* Backspace implementation. */
void linenoiseEditBackspace(struct s_line_state *l)
void linenoise_edit_backspace(t_line_state *l)
{
if (l->pos > 0 && l->len > 0)
{
@ -459,13 +437,13 @@ void linenoiseEditBackspace(struct s_line_state *l)
l->pos--;
l->len--;
l->buf[l->len] = '\0';
refreshLine(l);
linenoise_refresh_line(l);
}
}
/* Delete the previosu word, maintaining the cursor at the start of the
* current word. */
void linenoiseEditDeletePrevWord(struct s_line_state *l)
void linenoise_edit_delete_prev_word(t_line_state *l)
{
size_t old_pos = l->pos;
size_t diff;
@ -477,7 +455,7 @@ void linenoiseEditDeletePrevWord(struct s_line_state *l)
diff = old_pos - l->pos;
memmove(l->buf + l->pos, l->buf + old_pos, l->len - old_pos + 1);
l->len -= diff;
refreshLine(l);
linenoise_refresh_line(l);
}
/* This function is part of the multiplexed API of Linenoise, that is used
@ -504,25 +482,24 @@ void linenoiseEditDeletePrevWord(struct s_line_state *l)
* fails. If stdin_fd or stdout_fd are set to -1, the default is to use
* STDIN_FILENO and STDOUT_FILENO.
*/
int linenoiseEditStart(struct s_line_state *l, int stdin_fd, int stdout_fd, char *buf, size_t buflen, const char *prompt)
t_error linenoise_edit_start(t_line_state *l, t_fd *stdin_fd, t_fd *stdout_fd, char *buf, size_t buflen, t_const_str prompt)
{
/* Populate the linenoise state that we pass to functions implementing
* specific editing functionalities. */
l->in_completion = 0;
l->input_fd = stdin_fd != -1 ? stdin_fd : STDIN_FILENO;
l->output_fd = stdout_fd != -1 ? stdout_fd : STDOUT_FILENO;
l->input_fd = stdin_fd;
l->output_fd = stdout_fd;
l->buf = buf;
l->buflen = buflen;
l->prompt = prompt;
l->prompt_len = strlen(prompt);
l->oldpos = l->pos = 0;
l->old_pos = l->pos = 0;
l->len = 0;
// /* Enter raw mode. */
// if (enableRawMode(l->ifd) == -1)
// return -1;
l->columns = getColumns(stdin_fd, stdout_fd);
l->columns = linenoise_get_columns(stdin_fd, stdout_fd);
l->old_rows = 0;
l->history_index = 0;
@ -533,16 +510,16 @@ int linenoiseEditStart(struct s_line_state *l, int stdin_fd, int stdout_fd, char
/* If stdin is not a tty, stop here with the initialization. We
* will actually just read a line from standard input in blocking
* mode later, in linenoiseEditFeed(). */
if (!isatty(l->input_fd))
if (!isatty(l->input_fd->fd))
return 0;
/* The latest history entry is always our current buffer, that
* initially is just an empty string. */
linenoise_history_add("");
if (write(l->output_fd, prompt, l->prompt_len) == -1)
return -1;
return 0;
if (write_fd(l->output_fd, (t_u8 *)prompt, l->prompt_len, NULL))
return (ERROR);
return (NO_ERROR);
}
char *linenoiseEditMore = "If you see this, you are misusing the API: when linenoiseEditFeed() is called, if it returns linenoiseEditMore "
@ -566,79 +543,64 @@ char *linenoiseEditMore = "If you see this, you are misusing the API: when linen
*
* Some other errno: I/O error.
*/
char *linenoiseEditFeed(struct s_line_state *l)
t_str linenoise_edit_feed(t_line_state *l)
{
/* Not a TTY, pass control to line reading without character
* count limits. */
if (!isatty(l->input_fd))
return linenoiseNoTTY();
if (!isatty(l->input_fd->fd))
return linenoise_no_tty_impl();
char c;
int nread;
t_isize nread;
char seq[3];
t_vec_str *history = get_history();
nread = read(l->input_fd, &c, 1);
if (nread <= 0)
return NULL;
if (read_fd(l->input_fd, (t_u8 *)&c, 1, &nread))
return (printf("null1\n"), NULL);
switch (c)
{
case ENTER: /* enter */
case K_ENTER: /* enter */
history->len--;
mem_free(history->buffer[history->len]);
return strdup(l->buf);
case CTRL_C: /* ctrl-c */
case K_CTRL_C: /* ctrl-c */
errno = EAGAIN;
return NULL;
case BACKSPACE: /* backspace */
case 8: /* ctrl-h */
linenoiseEditBackspace(l);
case K_BACKSPACE: /* backspace */
case 8: /* ctrl-h */
linenoise_edit_backspace(l);
break;
case CTRL_D: /* ctrl-d, remove char at right of cursor, or if the
case K_CTRL_D: /* ctrl-d, remove char at right of cursor, or if the
line is empty, act as end-of-file. */
if (l->len > 0)
{
linenoiseEditDelete(l);
}
linenoise_edit_delete(l);
else
{
history->len--;
mem_free(history->buffer[history->len]);
errno = ENOENT;
return NULL;
return (NULL);
}
break;
case CTRL_T: /* ctrl-t, swaps current character with previous. */
if (l->pos > 0 && l->pos < l->len)
{
int aux = l->buf[l->pos - 1];
l->buf[l->pos - 1] = l->buf[l->pos];
l->buf[l->pos] = aux;
if (l->pos != l->len - 1)
l->pos++;
refreshLine(l);
}
case K_CTRL_B: /* ctrl-b */
linenoise_edit_move_left(l);
break;
case CTRL_B: /* ctrl-b */
linenoiseEditMoveLeft(l);
case K_CTRL_F: /* ctrl-f */
linenoise_edit_move_right(l);
break;
case CTRL_F: /* ctrl-f */
linenoiseEditMoveRight(l);
case K_CTRL_P: /* ctrl-p */
linenoise_edit_history_next(l, LINENOISE_HISTORY_PREV);
break;
case CTRL_P: /* ctrl-p */
linenoiseEditHistoryNext(l, LINENOISE_HISTORY_PREV);
case K_CTRL_N: /* ctrl-n */
linenoise_edit_history_next(l, LINENOISE_HISTORY_NEXT);
break;
case CTRL_N: /* ctrl-n */
linenoiseEditHistoryNext(l, LINENOISE_HISTORY_NEXT);
break;
case ESC: /* escape sequence */
case K_ESC: /* escape sequence */
/* Read the next two bytes representing the escape sequence.
* Use two calls to handle slow terminals returning the two
* chars at different times. */
if (read(l->input_fd, seq, 1) == -1)
if (read_fd(l->input_fd, (t_u8 *)seq, 1, NULL))
break;
if (read(l->input_fd, seq + 1, 1) == -1)
if (read_fd(l->input_fd, (t_u8 *)(seq + 1), 1, NULL))
break;
/* ESC [ sequences. */
@ -647,39 +609,32 @@ char *linenoiseEditFeed(struct s_line_state *l)
if (seq[1] >= '0' && seq[1] <= '9')
{
/* Extended escape, read additional byte. */
if (read(l->input_fd, seq + 2, 1) == -1)
if (read_fd(l->input_fd, (t_u8 *)(seq + 2), 1, NULL))
break;
if (seq[2] == '~')
{
switch (seq[1])
{
case '3': /* Delete key. */
linenoiseEditDelete(l);
break;
}
}
if (seq[1] == '3' && seq[2] == '~')
linenoise_edit_delete(l);
}
else
{
switch (seq[1])
{
case 'A': /* Up */
linenoiseEditHistoryNext(l, LINENOISE_HISTORY_PREV);
linenoise_edit_history_next(l, LINENOISE_HISTORY_PREV);
break;
case 'B': /* Down */
linenoiseEditHistoryNext(l, LINENOISE_HISTORY_NEXT);
linenoise_edit_history_next(l, LINENOISE_HISTORY_NEXT);
break;
case 'C': /* Right */
linenoiseEditMoveRight(l);
linenoise_edit_move_right(l);
break;
case 'D': /* Left */
linenoiseEditMoveLeft(l);
linenoise_edit_move_left(l);
break;
case 'H': /* Home */
linenoiseEditMoveHome(l);
break;
case 'F': /* End*/
linenoiseEditMoveEnd(l);
linenoise_edit_move_end(l);
break;
}
}
@ -694,37 +649,37 @@ char *linenoiseEditFeed(struct s_line_state *l)
linenoiseEditMoveHome(l);
break;
case 'F': /* End*/
linenoiseEditMoveEnd(l);
linenoise_edit_move_end(l);
break;
}
}
break;
default:
if (linenoiseEditInsert(l, c))
if (linenoise_edit_insert(l, c))
return NULL;
break;
case CTRL_U: /* Ctrl+u, delete the whole line. */
case K_CTRL_U: /* Ctrl+u, delete the whole line. */
l->buf[0] = '\0';
l->pos = l->len = 0;
refreshLine(l);
linenoise_refresh_line(l);
break;
case CTRL_K: /* Ctrl+k, delete from current to end of line. */
case K_CTRL_K: /* Ctrl+k, delete from current to end of line. */
l->buf[l->pos] = '\0';
l->len = l->pos;
refreshLine(l);
linenoise_refresh_line(l);
break;
case CTRL_A: /* Ctrl+a, go to the start of the line */
case K_CTRL_A: /* Ctrl+a, go to the start of the line */
linenoiseEditMoveHome(l);
break;
case CTRL_E: /* ctrl+e, go to the end of the line */
linenoiseEditMoveEnd(l);
case K_CTRL_E: /* ctrl+e, go to the end of the line */
linenoise_edit_move_end(l);
break;
case CTRL_L: /* ctrl+l, clear screen */
linenoiseClearScreen();
refreshLine(l);
case K_CTRL_L: /* ctrl+l, clear screen */
linenoise_clear_screen(l->output_fd);
linenoise_refresh_line(l);
break;
case CTRL_W: /* ctrl+w, delete previous word */
linenoiseEditDeletePrevWord(l);
case K_CTRL_W: /* ctrl+w, delete previous word */
linenoise_edit_delete_prev_word(l);
break;
}
return linenoiseEditMore;
@ -734,33 +689,30 @@ char *linenoiseEditFeed(struct s_line_state *l)
* for more information. This function is called when linenoiseEditFeed()
* returns something different than NULL. At this point the user input
* is in the buffer, and we can restore the terminal in normal mode. */
void linenoiseEditStop(struct s_line_state *l)
void linenoiseEditStop(t_line_state *l)
{
if (!isatty(l->input_fd))
if (!isatty(l->input_fd->fd))
return;
// disableRawMode(l->ifd);
printf("\n");
linenoise_disable_raw_mode(l->input_fd);
me_printf_fd(l->output_fd, "\n");
}
/* This just implements a blocking loop for the multiplexed API.
* In many applications that are not event-drivern, we can just call
* the blocking linenoise API, wait for the user to complete the editing
* and return the buffer. */
static char *linenoiseBlockingEdit(int stdin_fd, int stdout_fd, char *buf, size_t buflen, const char *prompt)
char *linenoise_blocking_edit(t_fd *stdin_fd, t_fd *stdout_fd, char *buf, size_t buflen, t_const_str prompt)
{
t_line_state l;
/* Editing without a buffer is invalid. */
if (buflen == 0)
{
errno = EINVAL;
return (NULL);
}
return (errno = EINVAL, NULL);
linenoiseEditStart(&l, stdin_fd, stdout_fd, buf, buflen, prompt);
linenoise_edit_start(&l, stdin_fd, stdout_fd, buf, buflen, prompt);
char *res;
while ((res = linenoiseEditFeed(&l)) == linenoiseEditMore)
;
while ((res = linenoise_edit_feed(&l)) == linenoiseEditMore)
; // printf("edit\n");
linenoiseEditStop(&l);
return res;
}
@ -802,7 +754,7 @@ void linenoisePrintKeyCodes(void)
* program using linenoise is called in pipe or with a file redirected
* to its standard input. In this case, we want to be able to return the
* line regardless of its length (by default we are limited to 4k). */
static t_str linenoiseNoTTY(void)
t_str linenoise_no_tty_impl(void)
{
t_string line;
t_isize ret;
@ -812,8 +764,7 @@ static t_str linenoiseNoTTY(void)
while (true)
{
chr = '\n';
ret = read(STDIN_FILENO, &chr, 1);
if (ret < 0)
if (read_fd(get_stdin(), (t_u8 *)&chr, 1, &ret))
return (string_free(line), NULL);
if (ret == 0 || chr == '\n')
return (line.buf);
@ -827,20 +778,21 @@ static t_str linenoiseNoTTY(void)
* for a blacklist of stupid terminals, and later either calls the line
* editing function or uses dummy fgets() so that you will be able to type
* something even in the most desperate of the conditions. */
char *linenoise(const char *prompt)
t_str linenoise(const char *prompt)
{
char buf[4096];
char buf[4096];
t_str retval;
if (!isatty(STDIN_FILENO))
if (!isatty(get_stdin()->fd))
{
printf("not_tty\n");
/* Not a tty: read from file / pipe. In this mode we don't want any
* limit to the line size, so we call a function to handle that. */
return linenoiseNoTTY();
}
{
char *retval = linenoiseBlockingEdit(STDIN_FILENO, STDOUT_FILENO, buf, 4096, prompt);
return retval;
return linenoise_no_tty_impl();
}
printf("is_tty\n");
retval = linenoise_blocking_edit(get_stdin(), get_stdout(), buf, 4096, prompt);
return (retval);
}
/* This is just a wrapper the user may want to call in order to make sure
@ -856,21 +808,6 @@ void linenoise_free(void *ptr)
/* ================================ History ================================= */
/* Free the history, but does not reset it. Only used when we have to
* exit() to avoid memory leaks are reported by valgrind & co. */
static void free_history(void)
{
t_vec_str *history = get_history();
vec_str_free(*history);
}
/* At exit we'll try to fix the terminal to the initial conditions. */
static void linenoise_uninit_lib(void)
{
// disableRawMode(STDIN_FILENO);
free_history();
}
/* This is the API call to add a new entry in the linenoise history.
* It uses a fixed array of char pointers that are shifted (memmoved)
* when the history max length is reached in order to remove the older
@ -945,6 +882,7 @@ t_error linenoise_history_load(t_str name)
fd = open_fd(name, FD_READ, FD_CLOSE_ON_EXEC, FP_ALL_READ);
if (fd == NULL)
return (ERROR);
history = get_history();
while (!gnl_wrapper(fd, &tmp))
{
while (tmp.len != 0 && (tmp.buf[tmp.len - 1] == '\n' || tmp.buf[tmp.len - 1] == '\r'))