vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Work on multi-out terminal

Browse source
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2009-12-24 00:37:11 +01:00
parent a2c1332b70
commit f4c623e170
21 changed files with 707 additions and 570 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
commands/help.c
View file

@ -37,18 +37,28 @@ grub_cmd_help (grub_extcmd_t ext __attribute__ ((unused)), int argc,
if ((cmd->prio & GRUB_PRIO_LIST_FLAG_ACTIVE) &&
(cmd->flags & GRUB_COMMAND_FLAG_CMDLINE))
{
char description[GRUB_TERM_WIDTH / 2];
struct grub_term_output *cur;
int desclen = grub_strlen (cmd->summary);
for (cur = grub_term_outputs; cur; cur = cur->next)
{
if (!(cur->flags & GRUB_TERM_ACTIVE))
continue;
int width = grub_term_width(cur);
char description[width / 2];
/* Make a string with a length of GRUB_TERM_WIDTH / 2 - 1 filled
with the description followed by spaces. */
grub_memset (description, ' ', GRUB_TERM_WIDTH / 2 - 1);
description[GRUB_TERM_WIDTH / 2 - 1] = '\0';
grub_memcpy (description, cmd->summary,
(desclen < GRUB_TERM_WIDTH / 2 - 1
? desclen : GRUB_TERM_WIDTH / 2 - 1));
grub_printf ("%s%s", description, (cnt++) % 2 ? "\n" : " ");
grub_memset (description, ' ', width / 2 - 1);
description[width / 2 - 1] = '\0';
grub_memcpy (description, cmd->summary,
(desclen < width / 2 - 1
? desclen : width / 2 - 1));
grub_puts_terminal (description, cur);
}
if ((cnt++) % 2)
grub_printf ("\n");
else
grub_printf (" ");
}
return 0;
}

9
commands/sleep.c
View file

@ -32,12 +32,12 @@ static const struct grub_arg_option options[] =
{0, 0, 0, 0, 0, 0}
};
static grub_uint8_t x, y;
static grub_uint16_t *pos;
static void
do_print (int n)
{
grub_gotoxy (x, y);
grub_term_restore_pos (pos);
/* NOTE: Do not remove the trailing space characters.
They are required to clear the line. */
grub_printf ("%d ", n);
@ -63,7 +63,6 @@ static grub_err_t
grub_cmd_sleep (grub_extcmd_t cmd, int argc, char **args)
{
struct grub_arg_list *state = cmd->state;
grub_uint16_t xy;
int n;
if (argc != 1)
@ -77,9 +76,7 @@ grub_cmd_sleep (grub_extcmd_t cmd, int argc, char **args)
return 0;
}
xy = grub_getxy ();
x = xy >> 8;
y = xy & 0xff;
pos = grub_term_save_pos ();
for (; n; n--)
{

2
conf/any-emu.rmk
View file

@ -27,7 +27,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \
normal/handler.c normal/auth.c normal/autofs.c \
normal/completion.c normal/main.c normal/color.c \
normal/menu.c normal/menu_entry.c normal/menu_viewer.c \
normal/menu_text.c \
normal/menu_text.c normal/term.c \
script/main.c script/execute.c script/function.c \
script/lexer.c script/script.c grub_script.tab.c \
partmap/amiga.c partmap/apple.c partmap/msdos.c partmap/sun.c \

2
conf/common.rmk
View file

@ -543,7 +543,7 @@ normal_mod_SOURCES = normal/main.c normal/cmdline.c normal/dyncmd.c \
normal/auth.c normal/autofs.c normal/handler.c \
normal/color.c normal/completion.c normal/datetime.c normal/menu.c \
normal/menu_entry.c normal/menu_text.c normal/menu_viewer.c \
normal/misc.c
normal/misc.c normal/term.c
normal_mod_CFLAGS = $(COMMON_CFLAGS)
normal_mod_LDFLAGS = $(COMMON_LDFLAGS)

3
include/grub/charset.h
View file

@ -109,4 +109,7 @@ grub_utf16_to_utf8 (grub_uint8_t *dest, grub_uint16_t *src,
return dest;
}
/* Convert UCS-4 to UTF-8. */
char *grub_ucs4_to_utf8_alloc (grub_uint32_t *src, grub_size_t size);
#endif

7
include/grub/normal.h
View file

@ -20,6 +20,7 @@
#ifndef GRUB_NORMAL_HEADER
#define GRUB_NORMAL_HEADER 1
#include <grub/term.h>
#include <grub/symbol.h>
#include <grub/err.h>
#include <grub/env.h>
@ -50,7 +51,7 @@ extern struct grub_menu_viewer grub_normal_text_menu_viewer;
/* Defined in `main.c'. */
void grub_enter_normal_mode (const char *config);
void grub_normal_execute (const char *config, int nested, int batch);
void grub_normal_init_page (void);
void grub_normal_init_page (struct grub_term_output *term);
void grub_menu_init_page (int nested, int edit);
grub_err_t grub_normal_add_menu_entry (int argc, const char **args,
const char *sourcecode);
@ -58,8 +59,7 @@ char *grub_file_getline (grub_file_t file);
void grub_cmdline_run (int nested);
/* Defined in `cmdline.c'. */
int grub_cmdline_get (const char *prompt, char cmdline[], unsigned max_len,
int echo_char, int readline, int history);
char *grub_cmdline_get (const char *prompt, unsigned max_len);
grub_err_t grub_set_history (int newsize);
/* Defined in `completion.c'. */
@ -95,6 +95,7 @@ void read_command_list (void);
/* Defined in `autofs.c'. */
void read_fs_list (void);
void grub_set_more (int onoff);
#ifdef GRUB_UTIL
void grub_normal_init (void);

1
include/grub/parser.h
View file

@ -22,6 +22,7 @@
#include <grub/types.h>
#include <grub/err.h>
#include <grub/handler.h>
#include <grub/reader.h>
/* All the states for the command line. */

52
include/grub/reader.h
View file

@ -20,60 +20,10 @@
#ifndef GRUB_READER_HEADER
#define GRUB_READER_HEADER 1
#include <grub/types.h>
#include <grub/err.h>
#include <grub/handler.h>
typedef grub_err_t (*grub_reader_getline_t) (char **, int);
struct grub_reader
{
/* The next reader. */
struct grub_parser *next;
/* The reader name. */
const char *name;
/* Initialize the reader. */
grub_err_t (*init) (void);
/* Clean up the reader. */
grub_err_t (*fini) (void);
grub_reader_getline_t read_line;
};
typedef struct grub_reader *grub_reader_t;
extern struct grub_handler_class EXPORT_VAR(grub_reader_class);
grub_err_t EXPORT_FUNC(grub_reader_loop) (grub_reader_getline_t getline);
static inline void
grub_reader_register (const char *name __attribute__ ((unused)),
grub_reader_t reader)
{
grub_handler_register (&grub_reader_class, GRUB_AS_HANDLER (reader));
}
static inline void
grub_reader_unregister (grub_reader_t reader)
{
grub_handler_unregister (&grub_reader_class, GRUB_AS_HANDLER (reader));
}
static inline grub_reader_t
grub_reader_get_current (void)
{
return (grub_reader_t) grub_reader_class.cur_handler;
}
static inline grub_err_t
grub_reader_set_current (grub_reader_t reader)
{
return grub_handler_set_current (&grub_reader_class,
GRUB_AS_HANDLER (reader));
}
void grub_register_rescue_reader (void);
void grub_rescue_run (void);
#endif /* ! GRUB_READER_HEADER */

52
include/grub/term.h
View file

@ -68,6 +68,8 @@ grub_term_color_state;
#define GRUB_TERM_NO_EDIT (1 << 1)
/* Set when the terminal cannot do fancy things. */
#define GRUB_TERM_DUMB (1 << 2)
/* Terminal is used as general output. */
#define GRUB_TERM_ACTIVE (1 << 3)
/* Set when the terminal needs to be initialized. */
#define GRUB_TERM_NEED_INIT (1 << 16)
@ -93,10 +95,6 @@ grub_term_color_state;
/* Menu-related geometrical constants. */
/* FIXME: Ugly way to get them form terminal. */
#define GRUB_TERM_WIDTH ((grub_getwh()&0xFF00)>>8)
#define GRUB_TERM_HEIGHT (grub_getwh()&0xFF)
/* The number of lines of "GRUB version..." at the top. */
#define GRUB_TERM_INFO_HEIGHT 1
@ -225,7 +223,7 @@ struct grub_term_output
typedef struct grub_term_output *grub_term_output_t;
extern struct grub_handler_class EXPORT_VAR(grub_term_input_class);
extern struct grub_handler_class EXPORT_VAR(grub_term_output_class);
extern struct grub_term_output *EXPORT_VAR(grub_term_outputs);
static inline void
grub_term_register_input (const char *name __attribute__ ((unused)),
@ -238,7 +236,7 @@ static inline void
grub_term_register_output (const char *name __attribute__ ((unused)),
grub_term_output_t term)
{
grub_handler_register (&grub_term_output_class, GRUB_AS_HANDLER (term));
grub_list_push (GRUB_AS_LIST_P (&grub_term_outputs), GRUB_AS_LIST (term));
}
static inline void
@ -250,7 +248,7 @@ grub_term_unregister_input (grub_term_input_t term)
static inline void
grub_term_unregister_output (grub_term_output_t term)
{
grub_handler_unregister (&grub_term_output_class, GRUB_AS_HANDLER (term));
grub_list_remove (GRUB_AS_LIST_P (&grub_term_outputs), GRUB_AS_LIST (term));
}
static inline grub_err_t
@ -260,44 +258,34 @@ grub_term_set_current_input (grub_term_input_t term)
GRUB_AS_HANDLER (term));
}
static inline grub_err_t
grub_term_set_current_output (grub_term_output_t term)
{
return grub_handler_set_current (&grub_term_output_class,
GRUB_AS_HANDLER (term));
}
static inline grub_term_input_t
grub_term_get_current_input (void)
{
return (grub_term_input_t) grub_term_input_class.cur_handler;
}
static inline grub_term_output_t
grub_term_get_current_output (void)
{
return (grub_term_output_t) grub_term_output_class.cur_handler;
}
void EXPORT_FUNC(grub_putchar) (int c);
void EXPORT_FUNC(grub_putcode) (grub_uint32_t code);
grub_ssize_t EXPORT_FUNC(grub_getcharwidth) (grub_uint32_t code);
void EXPORT_FUNC(grub_putcode) (grub_uint32_t code,
struct grub_term_output *term);
int EXPORT_FUNC(grub_getkey) (void);
int EXPORT_FUNC(grub_checkkey) (void);
int EXPORT_FUNC(grub_getkeystatus) (void);
grub_uint16_t EXPORT_FUNC(grub_getwh) (void);
grub_uint16_t EXPORT_FUNC(grub_getxy) (void);
void EXPORT_FUNC(grub_gotoxy) (grub_uint8_t x, grub_uint8_t y);
void EXPORT_FUNC(grub_cls) (void);
void EXPORT_FUNC(grub_setcolorstate) (grub_term_color_state state);
void EXPORT_FUNC(grub_setcolor) (grub_uint8_t normal_color,
grub_uint8_t highlight_color);
void EXPORT_FUNC(grub_getcolor) (grub_uint8_t *normal_color,
grub_uint8_t *highlight_color);
int EXPORT_FUNC(grub_setcursor) (int on);
int EXPORT_FUNC(grub_getcursor) (void);
void EXPORT_FUNC(grub_refresh) (void);
void EXPORT_FUNC(grub_set_more) (int onoff);
void grub_puts_terminal (const char *str, struct grub_term_output *term);
grub_uint16_t *grub_term_save_pos (void);
void grub_term_restore_pos (grub_uint16_t *pos);
static inline int grub_term_width (struct grub_term_output *term)
{
return ((term->getwh()&0xFF00)>>8);
}
static inline int grub_term_height (struct grub_term_output *term)
{
return (term->getwh()&0xFF);
}
/* For convenience. */
#define GRUB_TERM_ASCII_CHAR(c) ((c) & 0xff)

3
kern/main.c
View file

@ -169,9 +169,8 @@ grub_main (void)
grub_register_core_commands ();
grub_register_rescue_parser ();
grub_register_rescue_reader ();
grub_load_config ();
grub_load_normal_mode ();
grub_reader_loop (0);
grub_rescue_run ();
}

13
kern/misc.c
View file

@ -968,15 +968,12 @@ grub_utf8_to_ucs4 (grub_uint32_t *dest, grub_size_t destsize,
void
grub_abort (void)
{
if (grub_term_get_current_output ())
grub_printf ("\nAborted.");
if (grub_term_get_current_input ())
{
grub_printf ("\nAborted.");
if (grub_term_get_current_input ())
{
grub_printf (" Press any key to exit.");
grub_getkey ();
}
grub_printf (" Press any key to exit.");
grub_getkey ();
}
grub_exit ();

25
kern/reader.c
View file

@ -22,28 +22,3 @@
#include <grub/reader.h>
#include <grub/parser.h>
struct grub_handler_class grub_reader_class =
{
.name = "reader"
};
grub_err_t
grub_reader_loop (grub_reader_getline_t getline)
{
while (1)
{
char *line;
grub_reader_getline_t func;
/* Print an error, if any. */
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
func = (getline) ? : grub_reader_get_current ()->read_line;
if ((func (&line, 0)) || (! line))
return grub_errno;
grub_parser_get_current ()->parse_line (line, func);
grub_free (line);
}
}

36
kern/rescue_reader.c
View file

@ -19,20 +19,15 @@
#include <grub/types.h>
#include <grub/reader.h>
#include <grub/parser.h>
#include <grub/misc.h>
#include <grub/term.h>
#include <grub/mm.h>
#define GRUB_RESCUE_BUF_SIZE 256
static char linebuf[GRUB_RESCUE_BUF_SIZE];
static grub_err_t
grub_rescue_init (void)
{
grub_printf ("Entering rescue mode...\n");
return 0;
}
/* Prompt to input a command and read the line. */
static grub_err_t
grub_rescue_read_line (char **line, int cont)
@ -74,15 +69,24 @@ grub_rescue_read_line (char **line, int cont)
return 0;
}
static struct grub_reader grub_rescue_reader =
{
.name = "rescue",
.init = grub_rescue_init,
.read_line = grub_rescue_read_line
};
void
grub_register_rescue_reader (void)
grub_rescue_run (void)
{
grub_reader_register ("rescue", &grub_rescue_reader);
grub_printf ("Entering rescue mode...\n");
while (1)
{
char *line;
/* Print an error, if any. */
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
grub_rescue_read_line (&line, 0);
if (! line)
continue;
grub_parser_get_current ()->parse_line (line, grub_rescue_read_line);
grub_free (line);
}
}

209
kern/term.c
View file

@ -22,78 +22,35 @@
#include <grub/misc.h>
#include <grub/env.h>
/* The amount of lines counted by the pager. */
static int grub_more_lines;
/* If the more pager is active. */
static int grub_more;
/* The current cursor state. */
static int cursor_state = 1;
struct grub_handler_class grub_term_input_class =
{
.name = "terminal_input"
};
struct grub_handler_class grub_term_output_class =
{
.name = "terminal_output"
};
#define grub_cur_term_input grub_term_get_current_input ()
#define grub_cur_term_output grub_term_get_current_output ()
struct grub_term_output *grub_term_outputs;
/* Put a Unicode character. */
void
grub_putcode (grub_uint32_t code)
grub_putcode (grub_uint32_t code, struct grub_term_output *term)
{
int height = grub_getwh () & 255;
int height;
if (code == '\t' && grub_cur_term_output->getxy)
height = term->getwh () & 255;
if (code == '\t' && term->getxy)
{
int n;
n = 8 - ((grub_getxy () >> 8) & 7);
n = 8 - ((term->getxy () >> 8) & 7);
while (n--)
grub_putcode (' ');
grub_putcode (' ', term);
return;
}
(grub_cur_term_output->putchar) (code);
if (code == '\n')
{
grub_putcode ('\r');
grub_more_lines++;
if (grub_more && grub_more_lines == height - 1)
{
char key;
int pos = grub_getxy ();
/* Show --MORE-- on the lower left side of the screen. */
grub_gotoxy (1, height - 1);
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
grub_printf ("--MORE--");
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
key = grub_getkey ();
/* Remove the message. */
grub_gotoxy (1, height - 1);
grub_printf (" ");
grub_gotoxy (pos >> 8, pos & 0xFF);
/* Scroll one lines or an entire page, depending on the key. */
if (key == '\r' || key =='\n')
grub_more_lines--;
else
grub_more_lines = 0;
}
}
(term->putchar) (code);
}
/* Put a character. C is one byte of a UTF-8 stream.
@ -106,26 +63,28 @@ grub_putchar (int c)
grub_uint32_t code;
grub_ssize_t ret;
auto int do_putcode (grub_list_t item);
int do_putcode (grub_list_t item)
{
struct grub_term_output *term = (struct grub_term_output *) item;
if (term->flags & GRUB_TERM_ACTIVE)
grub_putcode (code, term);
return 0;
}
buf[size++] = c;
ret = grub_utf8_to_ucs4 (&code, 1, buf, size, 0);
if (ret > 0)
{
size = 0;
grub_putcode (code);
}
else if (ret < 0)
{
size = 0;
grub_putcode ('?');
}
}
if (ret < 0)
code = '?';
/* Return the number of columns occupied by the character code CODE. */
grub_ssize_t
grub_getcharwidth (grub_uint32_t code)
{
return (grub_cur_term_output->getcharwidth) (code);
if (ret != 0)
{
size = 0;
grub_list_iterate (GRUB_AS_LIST (grub_term_outputs), do_putcode);
}
}
int
@ -149,91 +108,67 @@ grub_getkeystatus (void)
return 0;
}
grub_uint16_t
grub_getxy (void)
{
return (grub_cur_term_output->getxy) ();
}
grub_uint16_t
grub_getwh (void)
{
return (grub_cur_term_output->getwh) ();
}
void
grub_gotoxy (grub_uint8_t x, grub_uint8_t y)
{
(grub_cur_term_output->gotoxy) (x, y);
}
void
grub_cls (void)
{
if ((grub_cur_term_output->flags & GRUB_TERM_DUMB) || (grub_env_get ("debug")))
{
grub_putchar ('\n');
grub_refresh ();
}
else
(grub_cur_term_output->cls) ();
auto int hook (grub_list_t item);
int hook (grub_list_t item)
{
struct grub_term_output *term = (struct grub_term_output *) item;
if (!(term->flags & GRUB_TERM_ACTIVE))
return 0;
if ((term->flags & GRUB_TERM_DUMB) || (grub_env_get ("debug")))
{
grub_putcode ('\n', term);
grub_refresh ();
}
else
(term->cls) ();
return 0;
}
grub_list_iterate (GRUB_AS_LIST (grub_term_outputs), hook);
}
void
grub_setcolorstate (grub_term_color_state state)
{
if (grub_cur_term_output->setcolorstate)
(grub_cur_term_output->setcolorstate) (state);
}
auto int hook (grub_list_t item);
int hook (grub_list_t item)
{
struct grub_term_output *term = (struct grub_term_output *) item;
void
grub_setcolor (grub_uint8_t normal_color, grub_uint8_t highlight_color)
{
if (grub_cur_term_output->setcolor)
(grub_cur_term_output->setcolor) (normal_color, highlight_color);
}
if (!(term->flags & GRUB_TERM_ACTIVE))
return 0;
void
grub_getcolor (grub_uint8_t *normal_color, grub_uint8_t *highlight_color)
{
if (grub_cur_term_output->getcolor)
(grub_cur_term_output->getcolor) (normal_color, highlight_color);
}
if (term->setcolorstate)
(term->setcolorstate) (state);
int
grub_setcursor (int on)
{
int ret = cursor_state;
return 0;
}
if (grub_cur_term_output->setcursor)
{
(grub_cur_term_output->setcursor) (on);
cursor_state = on;
}
return ret;
}
int
grub_getcursor (void)
{
return cursor_state;
grub_list_iterate (GRUB_AS_LIST (grub_term_outputs), hook);
}
void
grub_refresh (void)
{
if (grub_cur_term_output->refresh)
(grub_cur_term_output->refresh) ();
}
auto int hook (grub_list_t item);
int hook (grub_list_t item)
{
struct grub_term_output *term = (struct grub_term_output *) item;
void
grub_set_more (int onoff)
{
if (onoff == 1)
grub_more++;
else
grub_more--;
if (!(term->flags & GRUB_TERM_ACTIVE))
return 0;
grub_more_lines = 0;
if (term->refresh)
(term->refresh) ();
return 0;
}
grub_list_iterate (GRUB_AS_LIST (grub_term_outputs), hook);
}

64
lib/charset.c
View file

@ -114,3 +114,67 @@ grub_utf8_to_utf16 (grub_uint16_t *dest, grub_size_t destsize,
*srcend = src;
return p - dest;
}
/* Convert UCS-4 to UTF-8. */
char *
grub_ucs4_to_utf8_alloc (grub_uint32_t *src, grub_size_t size)
{
grub_size_t remaining;
grub_uint32_t *ptr;
grub_size_t cnt = 0;
grub_uint8_t *ret, *dest;
remaining = size;
ptr = src;
while (remaining--)
{
grub_uint32_t code = *ptr++;
if (code <= 0x007F)
cnt++;
else if (code <= 0x07FF)
cnt += 2;
else if ((code >= 0xDC00 && code <= 0xDFFF)
|| (code >= 0xD800 && code <= 0xDBFF))
/* No surrogates in UCS-4... */
cnt++;
else
cnt += 3;
}
cnt++;
ret = grub_malloc (cnt);
if (!ret)
return 0;
dest = ret;
remaining = size;
ptr = src;
while (remaining--)
{
grub_uint32_t code = *ptr++;
if (code <= 0x007F)
*dest++ = code;
else if (code <= 0x07FF)
{
*dest++ = (code >> 6) | 0xC0;
*dest++ = (code & 0x3F) | 0x80;
}
else if ((code >= 0xDC00 && code <= 0xDFFF)
|| (code >= 0xD800 && code <= 0xDBFF))
{
/* No surrogates in UCS-4... */
*dest++ = '?';
}
else
{
*dest++ = (code >> 12) | 0xE0;
*dest++ = ((code >> 6) & 0x3F) | 0x80;
*dest++ = (code & 0x3F) | 0x80;
}
}
*dest = 0;
return ret;
}

5
loader/i386/linux.c
View file

@ -33,6 +33,7 @@
#include <grub/video_fb.h>
#include <grub/command.h>
#include <grub/i386/pc/vbe.h>
#include <grub/i386/pc/console.h>
#define GRUB_LINUX_CL_OFFSET 0x1000
#define GRUB_LINUX_CL_END_OFFSET 0x2000
@ -547,8 +548,8 @@ grub_linux_boot (void)
/* Initialize these last, because terminal position could be affected by printfs above. */
if (params->have_vga == GRUB_VIDEO_TYPE_TEXT)
{
params->video_cursor_x = grub_getxy () >> 8;
params->video_cursor_y = grub_getxy () & 0xff;
params->video_cursor_x = grub_console_getxy () >> 8;
params->video_cursor_y = grub_console_getxy () & 0xff;
}
#ifdef __x86_64__

477
normal/cmdline.c
View file

@ -28,10 +28,10 @@
#include <grub/env.h>
#include <grub/i18n.h>
static char *kill_buf;
static grub_uint32_t *kill_buf;
static int hist_size;
static char **hist_lines = 0;
static grub_uint32_t **hist_lines = 0;
static int hist_pos = 0;
static int hist_end = 0;
static int hist_used = 0;
@ -39,7 +39,7 @@ static int hist_used = 0;
grub_err_t
grub_set_history (int newsize)
{
char **old_hist_lines = hist_lines;
grub_uint32_t **old_hist_lines = hist_lines;
hist_lines = grub_malloc (sizeof (char *) * newsize);
/* Copy the old lines into the new buffer. */
@ -90,17 +90,42 @@ grub_set_history (int newsize)
/* Get the entry POS from the history where `0' is the newest
entry. */
static char *
static grub_uint32_t *
grub_history_get (int pos)
{
pos = (hist_pos + pos) % hist_size;
return hist_lines[pos];
}
static grub_size_t
strlen_ucs4 (const grub_uint32_t *s)
{
const grub_uint32_t *p = s;
while (*p)
p++;
return p - s;
}
static grub_uint32_t *
strdup_ucs4 (const grub_uint32_t *s)
{
grub_size_t len;
char *p;
len = strlen_ucs4 (s) + 1;
p = (char *) grub_malloc (len * sizeof (grub_uint32_t));
if (! p)
return 0;
return grub_memcpy (p, s, len * sizeof (grub_uint32_t));
}
/* Insert a new history line S on the top of the history. */
static void
grub_history_add (char *s)
grub_history_add (grub_uint32_t *s)
{
/* Remove the oldest entry in the history to make room for a new
entry. */
@ -121,16 +146,16 @@ grub_history_add (char *s)
hist_pos = hist_size + hist_pos;
/* Insert into history. */
hist_lines[hist_pos] = grub_strdup (s);
hist_lines[hist_pos] = strdup_ucs4 (s);
}
/* Replace the history entry on position POS with the string S. */
static void
grub_history_replace (int pos, char *s)
grub_history_replace (int pos, grub_uint32_t *s)
{
pos = (hist_pos + pos) % hist_size;
grub_free (hist_lines[pos]);
hist_lines[pos] = grub_strdup (s);
hist_lines[pos] = strdup_ucs4 (s);
}
/* A completion hook to print items. */
@ -176,62 +201,81 @@ print_completion (const char *item, grub_completion_type_t type, int count)
grub_printf (" %s", item);
}
/* Get a command-line. If ECHO_CHAR is not zero, echo it instead of input
characters. If READLINE is non-zero, readline-like key bindings are
available. If ESC is pushed, return zero, otherwise return non-zero. */
/* FIXME: The dumb interface is not supported yet. */
int
grub_cmdline_get (const char *prompt, char cmdline[], unsigned max_len,
int echo_char, int readline, int history)
struct cmdline_term
{
unsigned xpos, ypos, ystart, width, height;
struct grub_term_output *term;
};
/* Get a command-line. If ESC is pushed, return zero,
otherwise return command line. */
/* FIXME: The dumb interface is not supported yet. */
char *
grub_cmdline_get (const char *prompt, unsigned max_len)
{
unsigned xpos, ypos, ystart;
grub_size_t lpos, llen;
grub_size_t plen;
char buf[max_len];
grub_uint32_t buf[max_len];
int key;
int histpos = 0;
auto void cl_insert (const char *str);
auto void cl_insert (const grub_uint32_t *str);
auto void cl_delete (unsigned len);
auto void cl_print (int pos, int c);
auto void cl_set_pos (void);
auto void cl_print (struct cmdline_term *cl_term, int pos, grub_uint32_t c);
auto void cl_set_pos (struct cmdline_term *cl_term);
auto void cl_print_all (int pos, grub_uint32_t c);
auto void cl_set_pos_all (void);
const char *prompt_translated = _(prompt);
struct cmdline_term *cl_terms;
unsigned nterms;
void cl_set_pos (void)
void cl_set_pos (struct cmdline_term *cl_term)
{
cl_term->xpos = (plen + lpos) % (cl_term->width - 1);
cl_term->ypos = cl_term->ystart + (plen + lpos) / (cl_term->width - 1);
cl_term->term->gotoxy (cl_term->xpos, cl_term->ypos);
}
void cl_set_pos_all ()
{
unsigned i;
for (i = 0; i < nterms; i++)
cl_set_pos (&cl_terms[i]);
}
void cl_print (struct cmdline_term *cl_term, int pos, grub_uint32_t c)
{
xpos = (plen + lpos) % 79;
ypos = ystart + (plen + lpos) / 79;
grub_gotoxy (xpos, ypos);
grub_refresh ();
}
void cl_print (int pos, int c)
{
char *p;
grub_uint32_t *p;
for (p = buf + pos; *p; p++)
{
if (xpos++ > 78)
if (cl_term->xpos++ > cl_term->width - 2)
{
grub_putchar ('\n');
grub_putcode ('\n', cl_term->term);
xpos = 1;
if (ypos == (unsigned) (grub_getxy () & 0xFF))
ystart--;
cl_term->xpos = 1;
if (cl_term->ypos == (unsigned) (cl_term->height))
cl_term->ystart--;
else
ypos++;
cl_term->ypos++;
}
if (c)
grub_putchar (c);
grub_putcode (c, cl_term->term);
else
grub_putchar (*p);
grub_putcode (*p, cl_term->term);
}
}
void cl_insert (const char *str)
void cl_print_all (int pos, grub_uint32_t c)
{
unsigned i;
for (i = 0; i < nterms; i++)
cl_print (&cl_terms[i], pos, c);
}
void cl_insert (const grub_uint32_t *str)
{
grub_size_t len = grub_strlen (str);
grub_size_t len = strlen_ucs4 (str);
if (len + llen < max_len)
{
@ -240,8 +284,8 @@ grub_cmdline_get (const char *prompt, char cmdline[], unsigned max_len,
llen += len;
lpos += len;
cl_print (lpos - len, echo_char);
cl_set_pos ();
cl_print_all (lpos - len, echo_char);
cl_set_pos_all ();
}
grub_refresh ();
@ -254,182 +298,207 @@ grub_cmdline_get (const char *prompt, char cmdline[], unsigned max_len,
grub_size_t saved_lpos = lpos;
lpos = llen - len;
cl_set_pos ();
cl_print (lpos, ' ');
cl_set_pos_all ();
cl_print_all (lpos, ' ');
lpos = saved_lpos;
cl_set_pos ();
cl_set_pos_all ();
grub_memmove (buf + lpos, buf + lpos + len, llen - lpos + 1);
llen -= len;
cl_print (lpos, echo_char);
cl_set_pos ();
cl_print_all (lpos, echo_char);
cl_set_pos_all ();
}
grub_refresh ();
}
void init_clterm (struct cmdline_term *cl_term_cur)
{
cl_term_cur->xpos = plen;
cl_term_cur->ypos = (cl_term_cur->term->getxy () & 0xFF);
cl_term_cur->ystart = cl_term_cur->ypos;
cl_term_cur->width = grub_term_width (cl_term_cur->term);
cl_term_cur->height = grub_term_height (cl_term_cur->term);
}
void init_clterm_all (void)
{
unsigned i;
for (i = 0; i < nterms; i++)
init_clterm (&cl_terms[i]);
}
plen = grub_strlen (prompt_translated);
lpos = llen = 0;
buf[0] = '\0';
if ((grub_getxy () >> 8) != 0)
grub_putchar ('\n');
grub_putchar ('\n');
grub_printf ("%s", prompt_translated);
xpos = plen;
ystart = ypos = (grub_getxy () & 0xFF);
{
struct cmdline_term *cl_term_cur;
struct grub_term_output *cur;
nterms = 0;
for (cur = grub_term_outputs; cur; cur = cur->next)
if (cur->flags & GRUB_TERM_ACTIVE)
nterms++;
cl_insert (cmdline);
cl_terms = grub_malloc (sizeof (cl_terms[0]) * nterms);
if (!cl_terms)
return grub_errno;
cl_term_cur = cl_terms;
for (cur = grub_term_outputs; cur; cur = cur->next)
if (cur->flags & GRUB_TERM_ACTIVE)
{
cl_term_cur->term = cur;
init_clterm (cl_term_cur);
cl_term_cur++;
}
}
if (history && hist_used == 0)
grub_history_add (buf);
while ((key = GRUB_TERM_ASCII_CHAR (grub_getkey ())) != '\n' && key != '\r')
{
if (readline)
{
switch (key)
{
case 1: /* Ctrl-a */
lpos = 0;
cl_set_pos ();
break;
case 2: /* Ctrl-b */
if (lpos > 0)
{
lpos--;
cl_set_pos ();
}
break;
case 5: /* Ctrl-e */
lpos = llen;
cl_set_pos ();
break;
case 6: /* Ctrl-f */
if (lpos < llen)
{
lpos++;
cl_set_pos ();
}
break;
case 9: /* Ctrl-i or TAB */
{
char *insert;
int restore;
/* Backup the next character and make it 0 so it will
be easy to use string functions. */
char backup = buf[lpos];
buf[lpos] = '\0';
insert = grub_normal_do_completion (buf, &restore,
print_completion);
/* Restore the original string. */
buf[lpos] = backup;
if (restore)
{
/* Restore the prompt. */
grub_printf ("\n%s %s", prompt_translated, buf);
xpos = plen;
ystart = ypos = (grub_getxy () & 0xFF);
}
if (insert)
{
cl_insert (insert);
grub_free (insert);
}
}
break;
case 11: /* Ctrl-k */
if (lpos < llen)
{
if (kill_buf)
grub_free (kill_buf);
kill_buf = grub_strdup (buf + lpos);
grub_errno = GRUB_ERR_NONE;
cl_delete (llen - lpos);
}
break;
case 14: /* Ctrl-n */
{
char *hist;
lpos = 0;
if (histpos > 0)
{
grub_history_replace (histpos, buf);
histpos--;
}
cl_delete (llen);
hist = grub_history_get (histpos);
cl_insert (hist);
break;
}
case 16: /* Ctrl-p */
{
char *hist;
lpos = 0;
if (histpos < hist_used - 1)
{
grub_history_replace (histpos, buf);
histpos++;
}
cl_delete (llen);
hist = grub_history_get (histpos);
cl_insert (hist);
}
break;
case 21: /* Ctrl-u */
if (lpos > 0)
{
grub_size_t n = lpos;
if (kill_buf)
grub_free (kill_buf);
kill_buf = grub_malloc (n + 1);
grub_errno = GRUB_ERR_NONE;
if (kill_buf)
{
grub_memcpy (kill_buf, buf, n);
kill_buf[n] = '\0';
}
lpos = 0;
cl_set_pos ();
cl_delete (n);
}
break;
case 25: /* Ctrl-y */
if (kill_buf)
cl_insert (kill_buf);
break;
}
}
switch (key)
{
case 1: /* Ctrl-a */
lpos = 0;
cl_set_pos_all ();
break;
case 2: /* Ctrl-b */
if (lpos > 0)
{
lpos--;
cl_set_pos_all ();
}
break;
case 5: /* Ctrl-e */
lpos = llen;
cl_set_pos_all ();
break;
case 6: /* Ctrl-f */
if (lpos < llen)
{
lpos++;
cl_set_pos_all ();
}
break;
case 9: /* Ctrl-i or TAB */
{
grub_uint32_t *insert;
int restore;
/* Backup the next character and make it 0 so it will
be easy to use string functions. */
char backup = buf[lpos];
buf[lpos] = '\0';
insert = grub_normal_do_completion (buf, &restore,
print_completion);
/* Restore the original string. */
buf[lpos] = backup;
if (restore)
{
/* Restore the prompt. */
grub_printf ("\n%s", prompt_translated);
init_clterm_all ();
cl_print_all (0, 0);
}
if (insert)
{
cl_insert (insert);
grub_free (insert);
}
}
break;
case 11: /* Ctrl-k */
if (lpos < llen)
{
if (kill_buf)
grub_free (kill_buf);
kill_buf = strdup_ucs4 (buf + lpos);
grub_errno = GRUB_ERR_NONE;
cl_delete (llen - lpos);
}
break;
case 14: /* Ctrl-n */
{
grub_uint32_t *hist;
lpos = 0;
if (histpos > 0)
{
grub_history_replace (histpos, buf);
histpos--;
}
cl_delete (llen);
hist = grub_history_get (histpos);
cl_insert (hist);
break;
}
case 16: /* Ctrl-p */
{
grub_uint32_t *hist;
lpos = 0;
if (histpos < hist_used - 1)
{
grub_history_replace (histpos, buf);
histpos++;
}
cl_delete (llen);
hist = grub_history_get (histpos);
cl_insert (hist);
}
break;
case 21: /* Ctrl-u */
if (lpos > 0)
{
grub_size_t n = lpos;
if (kill_buf)
grub_free (kill_buf);
kill_buf = grub_malloc (n + 1);
grub_errno = GRUB_ERR_NONE;
if (kill_buf)
{
grub_memcpy (kill_buf, buf, n);
kill_buf[n] = '\0';
}
lpos = 0;
cl_set_pos_all ();
cl_delete (n);
}
break;
case 25: /* Ctrl-y */
if (kill_buf)
cl_insert (kill_buf);
break;
case '\e':
return 0;
@ -437,7 +506,7 @@ grub_cmdline_get (const char *prompt, char cmdline[], unsigned max_len,
if (lpos > 0)
{
lpos--;
cl_set_pos ();
cl_set_pos_all ();
}
else
break;
@ -451,7 +520,7 @@ grub_cmdline_get (const char *prompt, char cmdline[], unsigned max_len,
default:
if (grub_isprint (key))
{
char str[2];
grub_uint32_t str[2];
str[0] = key;
str[1] = '\0';
@ -464,23 +533,21 @@ grub_cmdline_get (const char *prompt, char cmdline[], unsigned max_len,
grub_putchar ('\n');
grub_refresh ();
/* If ECHO_CHAR is NUL, remove leading spaces. */
/* Remove leading spaces. */
lpos = 0;
if (! echo_char)
while (buf[lpos] == ' ')
lpos++;
while (buf[lpos] == ' ')
lpos++;
if (history)
{
histpos = 0;
if (grub_strlen (buf) > 0)
if (strlen_ucs4 (buf) > 0)
{
grub_uint32_t empty[] = { 0 };
grub_history_replace (histpos, buf);
grub_history_add ("");
grub_history_add (empty);
}
}
grub_memcpy (cmdline, buf + lpos, llen - lpos + 1);
return 1;
return grub_ucs4_to_utf8_alloc (buf + lpos, llen - lpos + 1);
}

47
normal/color.c
View file

@ -103,23 +103,36 @@ free_and_return:
grub_free (fg_name);
}
static grub_uint8_t color_normal, color_highlight;
static void
set_colors (void)
{
struct grub_term_output *term;
for (term = grub_term_outputs; term; term = term->next)
{
if (! (term->flags & GRUB_TERM_ACTIVE))
continue;
/* Reloads terminal `normal' and `highlight' colors. */
if (term->setcolor)
term->setcolor (color_normal, color_highlight);
/* Propagates `normal' color to terminal current color. */
if (term->setcolorstate)
term->setcolorstate (GRUB_TERM_COLOR_NORMAL);
}
}
/* Replace default `normal' colors with the ones specified by user (if any). */
char *
grub_env_write_color_normal (struct grub_env_var *var __attribute__ ((unused)),
const char *val)
{
grub_uint8_t color_normal, color_highlight;
/* Use old settings in case grub_parse_color_name_pair() has no effect. */
grub_getcolor (&color_normal, &color_highlight);
grub_parse_color_name_pair (&color_normal, val);
/* Reloads terminal `normal' and `highlight' colors. */
grub_setcolor (color_normal, color_highlight);
/* Propagates `normal' color to terminal current color. */
grub_setcolorstate (GRUB_TERM_COLOR_NORMAL);
set_colors ();
return grub_strdup (val);
}
@ -129,21 +142,9 @@ char *
grub_env_write_color_highlight (struct grub_env_var *var __attribute__ ((unused)),
const char *val)
{
grub_uint8_t color_normal, color_highlight;
/* Use old settings in case grub_parse_color_name_pair() has no effect. */
grub_getcolor (&color_normal, &color_highlight);
grub_parse_color_name_pair (&color_highlight, val);
/* Reloads terminal `normal' and `highlight' colors. */
grub_setcolor (color_normal, color_highlight);
/* Propagates `normal' color to terminal current color.
Note: Using GRUB_TERM_COLOR_NORMAL here rather than
GRUB_TERM_COLOR_HIGHLIGHT is intentional. We don't want to switch
to highlight state just because color was reloaded. */
grub_setcolorstate (GRUB_TERM_COLOR_NORMAL);
set_colors ();
return grub_strdup (val);
}

112
normal/main.c
View file

@ -372,7 +372,21 @@ read_config_file (const char *config)
if (! file)
return 0;
grub_reader_loop (getline);
while (1)
{
char *line;
/* Print an error, if any. */
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
if ((getline (&line, 0)) || (! line))
break;
grub_parser_get_current ()->parse_line (line, getline);
grub_free (line);
}
grub_file_close (file);
if (old_parser)
@ -383,7 +397,7 @@ read_config_file (const char *config)
/* Initialize the screen. */
void
grub_normal_init_page (void)
grub_normal_init_page (struct grub_term_output *term)
{
int msg_len;
int posx;
@ -391,13 +405,12 @@ grub_normal_init_page (void)
char *msg_formatted = grub_malloc (grub_strlen(msg) +
grub_strlen(PACKAGE_VERSION));
grub_uint32_t *unicode_msg;
grub_uint32_t *last_position;
grub_cls ();
grub_sprintf (msg_formatted, msg, PACKAGE_VERSION);
grub_uint32_t *unicode_msg;
grub_uint32_t *last_position;
msg_len = grub_utf8_to_ucs4_alloc (msg_formatted,
&unicode_msg, &last_position);
@ -408,8 +421,8 @@ grub_normal_init_page (void)
}
posx = grub_getstringwidth (unicode_msg, last_position);
posx = (GRUB_TERM_WIDTH - posx) / 2;
grub_gotoxy (posx, 1);
posx = (grub_term_width (term) - posx) / 2;
term->gotoxy (posx, 1);
grub_print_ucs4 (unicode_msg, last_position);
grub_printf("\n\n");
@ -493,48 +506,30 @@ quit:
return 0;
}
void
grub_cmdline_run (int nested)
{
grub_reader_t reader;
grub_err_t err = GRUB_ERR_NONE;
err = grub_auth_check_authentication (NULL);
if (err)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
return;
}
reader = grub_reader_get_current ();
reader_nested = nested;
if (reader->init)
reader->init ();
grub_reader_loop (0);
}
static grub_err_t
grub_normal_reader_init (void)
{
grub_normal_init_page ();
grub_setcursor (1);
struct grub_term_output *term;
const char *msg = _("Minimal BASH-like line editing is supported. For "
"the first word, TAB lists possible command completions. Anywhere "
"else TAB lists possible device or file completions. %s");
const char *msg_esc = _("ESC at any time exits.");
char *msg_formatted = grub_malloc (sizeof (char) * (grub_strlen (msg) +
grub_strlen(msg_esc) + 1));
grub_sprintf (msg_formatted, msg, reader_nested ? msg_esc : "");
grub_print_message_indented (msg_formatted, 3, STANDARD_MARGIN);
grub_puts ("\n");
for (term = grub_term_outputs; term; term = term->next)
{
if (! (term->flags & GRUB_TERM_ACTIVE))
continue;
grub_normal_init_page (term);
if (term->setcursor)
term->setcursor (1);
grub_print_message_indented (msg_formatted, 3, STANDARD_MARGIN);
grub_puts ("\n");
}
grub_free (msg_formatted);
return 0;
@ -567,12 +562,40 @@ grub_normal_read_line (char **line, int cont)
return 0;
}
static struct grub_reader grub_normal_reader =
{
.name = "normal",
.init = grub_normal_reader_init,
.read_line = grub_normal_read_line
};
void
grub_cmdline_run (int nested)
{
grub_err_t err = GRUB_ERR_NONE;
err = grub_auth_check_authentication (NULL);
if (err)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
return;
}
reader_nested = nested;
grub_normal_reader_init ();
while (1)
{
char *line;
/* Print an error, if any. */
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
grub_normal_read_line (&line, 0);
if (! line)
continue;
grub_parser_get_current ()->parse_line (line, grub_normal_read_line);
grub_free (line);
}
}
static char *
grub_env_write_pager (struct grub_env_var *var __attribute__ ((unused)),
@ -592,8 +615,6 @@ GRUB_MOD_INIT(normal)
grub_set_history (GRUB_DEFAULT_HISTORY_SIZE);
grub_reader_register ("normal", &grub_normal_reader);
grub_reader_set_current (&grub_normal_reader);
grub_register_variable_hook ("pager", 0, grub_env_write_pager);
/* Register a command "normal" for the rescue mode. */
@ -612,7 +633,6 @@ GRUB_MOD_INIT(normal)
GRUB_MOD_FINI(normal)
{
grub_set_history (0);
grub_reader_unregister (&grub_normal_reader);
grub_register_variable_hook ("pager", 0, 0);
grub_fs_autoload_hook = 0;
free_handler_list ();

128
normal/term.c Normal file
View file

@ -0,0 +1,128 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2003,2005,2007,2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
/* The amount of lines counted by the pager. */
static int grub_more_lines;
/* If the more pager is active. */
static int grub_more;
static void
process_newline (void)
{
if (code == '\n')
{
grub_putcode ('\r');
grub_more_lines++;
if (grub_more && grub_more_lines == height - 1)
{
char key;
int pos = term->getxy ();
/* Show --MORE-- on the lower left side of the screen. */
term->gotoxy (1, height - 1);
grub_setcolorstate (GRUB_TERM_COLOR_HIGHLIGHT);
grub_printf ("--MORE--");
grub_setcolorstate (GRUB_TERM_COLOR_STANDARD);
key = grub_getkey ();
/* Remove the message. */
term->gotoxy (1, height - 1);
grub_printf (" ");
term->gotoxy (pos >> 8, pos & 0xFF);
/* Scroll one lines or an entire page, depending on the key. */
if (key == '\r' || key =='\n')
grub_more_lines--;
else
grub_more_lines = 0;
}
}
}
void
grub_set_more (int onoff)
{
if (onoff == 1)
grub_more++;
else
grub_more--;
grub_more_lines = 0;
}
void
grub_puts_terminal (const char *str, struct grub_term_output *term)
{
grub_uint32_t code;
grub_ssize_t ret;
const char *ptr = str;
unsigned i;
while (*ptr)
{
ret = grub_utf8_to_ucs4 (&code, 1, ptr,
grub_strlen (ptr), &ptr);
if (ret < 0)
{
grub_putcode ('?', term);
ptr++;
continue;
}
else
grub_putcode (code, term);
}
}
grub_uint16_t *
grub_term_save_pos (void)
{
struct grub_term_output *cur;
unsigned cnt = 0;
grub_uint16_t *ret, *ptr;
for (cur = grub_term_outputs; cur; cur = cur->next)
if (cur->flags & GRUB_TERM_ACTIVE)
cnt++;
ret = grub_malloc (cnt * sizeof (ret[0]));
if (!ret)
return NULL;
for (cur = grub_term_outputs; cur; cur = cur->next)
if (cur->flags & GRUB_TERM_ACTIVE)
*ptr++ = cur->getxy ();
return ret;
}
void
grub_term_restore_pos (grub_uint16_t *pos)
{
struct grub_term_output *cur;
if (!pos)
return;
for (cur = grub_term_outputs; cur; cur = cur->next)
if (cur->flags & GRUB_TERM_ACTIVE)
cur->gotoxy ((*ptr & 0xff00) >> 8, *ptr & 0xff);
}

4
term/i386/pc/console.c
View file

@ -79,10 +79,6 @@ grub_console_init (void)
void
grub_console_fini (void)
{
/* This is to make sure the console is restored to text mode before
we boot. */
grub_term_set_current_output (&grub_console_term_output);
grub_term_unregister_input (&grub_console_term_input);
grub_term_unregister_output (&grub_console_term_output);
}