static char *
grub_getline (void)
{
int i;
char *line;
char *tmp;
char c;
i = 0;
line = grub_malloc (1 + i + sizeof('\0'));
if (! line)
return NULL;
while (1)
{
c = grub_getkey ();
if ((c == '\n') || (c == '\r'))
break;
line[i] = c;
if (grub_isprint (c))
grub_putchar (c);
i++;
tmp = grub_realloc (line, 1 + i + sizeof('\0'));
if (! tmp)
{
grub_free (line);
return NULL;
}
line = tmp;
}
line[i] = '\0';
return line;
}
static grub_err_t
grub_cmd_cat (grub_extcmd_context_t ctxt, int argc, char **args)
{
struct grub_arg_list *state = ctxt->state;
int dos = 0;
grub_file_t file;
char buf[GRUB_DISK_SECTOR_SIZE];
grub_ssize_t size;
int key = 0;
if (state[0].set)
dos = 1;
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "file name required");
file = grub_file_open (args[0]);
if (! file)
return grub_errno;
while ((size = grub_file_read (file, buf, sizeof (buf))) > 0
&& key != GRUB_TERM_ESC)
{
int i;
for (i = 0; i < size; i++)
{
unsigned char c = buf[i];
if ((grub_isprint (c) || grub_isspace (c)) && c != '\r')
grub_printf ("%c", c);
else if (dos && c == '\r' && i + 1 < size && buf[i + 1] == '\n')
{
grub_printf ("\n");
i++;
}
else
{
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
grub_printf ("<%x>", (int) c);
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
}
}
while (grub_checkkey () >= 0 &&
(key = grub_getkey ()) != GRUB_TERM_ESC)
;
}
grub_xputs ("\n");
grub_refresh ();
grub_file_close (file);
return 0;
}
/* Prompt to input a command and read the line. */
static grub_err_t
grub_rescue_read_line (char **line, int cont)
{
int c;
int pos = 0;
char str[4];
grub_printf ((cont) ? "> " : "grub rescue> ");
grub_memset (linebuf, 0, GRUB_RESCUE_BUF_SIZE);
while ((c = grub_getkey ()) != '\n' && c != '\r')
{
if (grub_isprint (c))
{
if (pos < GRUB_RESCUE_BUF_SIZE - 1)
{
str[0] = c;
str[1] = 0;
linebuf[pos++] = c;
grub_xputs (str);
}
}
else if (c == '\b')
{
if (pos > 0)
{
str[0] = c;
str[1] = ' ';
str[2] = c;
str[3] = 0;
linebuf[--pos] = 0;
grub_xputs (str);
}
}
grub_refresh ();
}
grub_xputs ("\n");
grub_refresh ();
*line = grub_strdup (linebuf);
return 0;
}
static grub_err_t
grub_cmd_cat (grub_extcmd_context_t ctxt, int argc, char **args)
{
struct grub_arg_list *state = ctxt->state;
int dos = 0;
grub_file_t file;
unsigned char buf[GRUB_DISK_SECTOR_SIZE];
grub_ssize_t size;
int key = GRUB_TERM_NO_KEY;
grub_uint32_t code = 0;
int count = 0;
unsigned char utbuf[GRUB_MAX_UTF8_PER_CODEPOINT + 1];
int utcount = 0;
int is_0d = 0;
int j;
if (state[0].set)
dos = 1;
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
file = grub_file_open (args[0], GRUB_FILE_TYPE_CAT);
if (! file)
return grub_errno;
while ((size = grub_file_read (file, buf, sizeof (buf))) > 0
&& key != GRUB_TERM_ESC)
{
int i;
for (i = 0; i < size; i++)
{
utbuf[utcount++] = buf[i];
if (is_0d && buf[i] != '\n')
{
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
grub_printf ("<%x>", (int) '\r');
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
}
is_0d = 0;
if (!grub_utf8_process (buf[i], &code, &count))
{
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
for (j = 0; j < utcount - 1; j++)
grub_printf ("<%x>", (unsigned int) utbuf[j]);
code = 0;
count = 0;
if (utcount == 1 || !grub_utf8_process (buf[i], &code, &count))
{
grub_printf ("<%x>", (unsigned int) buf[i]);
code = 0;
count = 0;
utcount = 0;
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
continue;
}
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
utcount = 1;
}
if (count)
continue;
if ((code >= 0xa1 || grub_isprint (code)
|| grub_isspace (code)) && code != '\r')
{
grub_printf ("%C", code);
count = 0;
code = 0;
utcount = 0;
continue;
}
if (dos && code == '\r')
{
is_0d = 1;
count = 0;
code = 0;
utcount = 0;
continue;
}
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
for (j = 0; j < utcount; j++)
grub_printf ("<%x>", (unsigned int) utbuf[j]);
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
count = 0;
code = 0;
utcount = 0;
}
do
key = grub_getkey_noblock ();
while (key != GRUB_TERM_ESC && key != GRUB_TERM_NO_KEY);
}
if (is_0d)
{
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
grub_printf ("<%x>", (unsigned int) '\r');
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
}
if (utcount)
{
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
for (j = 0; j < utcount; j++)
grub_printf ("<%x>", (unsigned int) utbuf[j]);
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
}
grub_xputs ("\n");
grub_refresh ();
grub_file_close (file);
return 0;
}
