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-rw-r--r--lib/readline/vi_mode.c143
1 files changed, 110 insertions, 33 deletions
diff --git a/lib/readline/vi_mode.c b/lib/readline/vi_mode.c
index d0b7e33..2a120c0 100644
--- a/lib/readline/vi_mode.c
+++ b/lib/readline/vi_mode.c
@@ -1,25 +1,25 @@
/* vi_mode.c -- A vi emulation mode for Bash.
Derived from code written by Jeff Sparkes (jsparkes@bnr.ca). */
-/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
- This file is part of the GNU Readline Library, a library for
- reading lines of text with interactive input and history editing.
+ This file is part of the GNU Readline Library (Readline), a library
+ for reading lines of text with interactive input and history editing.
- The GNU Readline Library 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 2, or
+ Readline 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.
- The GNU Readline Library 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
+ Readline 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.
- The GNU General Public License is often shipped with GNU software, and
- is generally kept in a file called COPYING or LICENSE. If you do not
- have a copy of the license, write to the Free Software Foundation,
- 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+ You should have received a copy of the GNU General Public License
+ along with Readline. If not, see <http://www.gnu.org/licenses/>.
+*/
+
#define READLINE_LIBRARY
/* **************************************************************** */
@@ -69,7 +69,7 @@ int _rl_vi_last_command = 'i'; /* default `.' puts you in insert mode */
static int _rl_vi_doing_insert;
/* Command keys which do movement for xxx_to commands. */
-static const char *vi_motion = " hl^$0ftFT;,%wbeWBE|";
+static const char * const vi_motion = " hl^$0ftFT;,%wbeWBE|`";
/* Keymap used for vi replace characters. Created dynamically since
rarely used. */
@@ -101,7 +101,7 @@ static int _rl_vi_last_key_before_insert;
static int vi_redoing;
/* Text modification commands. These are the `redoable' commands. */
-static const char *vi_textmod = "_*\\AaIiCcDdPpYyRrSsXx~";
+static const char * const vi_textmod = "_*\\AaIiCcDdPpYyRrSsXx~";
/* Arrays for the saved marks. */
static int vi_mark_chars['z' - 'a' + 1];
@@ -131,9 +131,10 @@ static int _rl_vi_callback_char_search PARAMS((_rl_callback_generic_arg *));
void
_rl_vi_initialize_line ()
{
- register int i;
+ register int i, n;
- for (i = 0; i < sizeof (vi_mark_chars) / sizeof (int); i++)
+ n = sizeof (vi_mark_chars) / sizeof (vi_mark_chars[0]);
+ for (i = 0; i < n; i++)
vi_mark_chars[i] = -1;
RL_UNSETSTATE(RL_STATE_VICMDONCE);
@@ -211,6 +212,15 @@ rl_vi_redo (count, c)
if (rl_point > 0)
_rl_vi_backup ();
}
+ /* Ditto for redoing an insert with `I', but move to the beginning of the
+ line like the `I' command does. */
+ else if (_rl_vi_last_command == 'I' && vi_insert_buffer && *vi_insert_buffer)
+ {
+ rl_beg_of_line (1, 'I');
+ _rl_vi_stuff_insert (count);
+ if (rl_point > 0)
+ _rl_vi_backup ();
+ }
/* Ditto for redoing an insert with `a', but move forward a character first
like the `a' command does. */
else if (_rl_vi_last_command == 'a' && vi_insert_buffer && *vi_insert_buffer)
@@ -220,6 +230,15 @@ rl_vi_redo (count, c)
if (rl_point > 0)
_rl_vi_backup ();
}
+ /* Ditto for redoing an insert with `A', but move to the end of the line
+ like the `A' command does. */
+ else if (_rl_vi_last_command == 'A' && vi_insert_buffer && *vi_insert_buffer)
+ {
+ rl_end_of_line (1, 'A');
+ _rl_vi_stuff_insert (count);
+ if (rl_point > 0)
+ _rl_vi_backup ();
+ }
else
r = _rl_dispatch (_rl_vi_last_command, _rl_keymap);
vi_redoing = 0;
@@ -584,7 +603,7 @@ rl_vi_insert_beg (count, key)
int count, key;
{
rl_beg_of_line (1, key);
- rl_vi_insertion_mode (1, key);
+ rl_vi_insert_mode (1, key);
return (0);
}
@@ -647,6 +666,14 @@ rl_vi_insertion_mode (count, key)
return (0);
}
+int
+rl_vi_insert_mode (count, key)
+ int count, key;
+{
+ rl_vi_start_inserting (key, 1, rl_arg_sign);
+ return (0);
+}
+
static void
_rl_vi_save_insert (up)
UNDO_LIST *up;
@@ -690,7 +717,10 @@ _rl_vi_done_inserting ()
}
else
{
- if ((_rl_vi_last_key_before_insert == 'i' || _rl_vi_last_key_before_insert == 'a') && rl_undo_list)
+ if (rl_undo_list && (_rl_vi_last_key_before_insert == 'i' ||
+ _rl_vi_last_key_before_insert == 'a' ||
+ _rl_vi_last_key_before_insert == 'I' ||
+ _rl_vi_last_key_before_insert == 'A'))
_rl_vi_save_insert (rl_undo_list);
/* XXX - Other keys probably need to be checked. */
else if (_rl_vi_last_key_before_insert == 'C')
@@ -739,6 +769,7 @@ _rl_vi_change_mbchar_case (count)
wchar_t wc;
char mb[MB_LEN_MAX+1];
int mlen, p;
+ size_t m;
mbstate_t ps;
memset (&ps, 0, sizeof (mbstate_t));
@@ -746,7 +777,11 @@ _rl_vi_change_mbchar_case (count)
count--;
while (count-- && rl_point < rl_end)
{
- mbrtowc (&wc, rl_line_buffer + rl_point, rl_end - rl_point, &ps);
+ m = mbrtowc (&wc, rl_line_buffer + rl_point, rl_end - rl_point, &ps);
+ if (MB_INVALIDCH (m))
+ wc = (wchar_t)rl_line_buffer[rl_point];
+ else if (MB_NULLWCH (m))
+ wc = L'\0';
if (iswupper (wc))
wc = towlower (wc);
else if (iswlower (wc))
@@ -886,6 +921,13 @@ rl_vi_domove (key, nextkey)
RL_SETSTATE(RL_STATE_MOREINPUT);
c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+ if (c < 0)
+ {
+ *nextkey = 0;
+ return -1;
+ }
+
*nextkey = c;
if (!member (c, vi_motion))
@@ -902,6 +944,11 @@ rl_vi_domove (key, nextkey)
RL_SETSTATE(RL_STATE_MOREINPUT);
c = rl_read_key (); /* real command */
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ {
+ *nextkey = 0;
+ return -1;
+ }
*nextkey = c;
}
else if (key == c && (key == 'd' || key == 'y' || key == 'c'))
@@ -1033,13 +1080,15 @@ int
rl_vi_delete_to (count, key)
int count, key;
{
- int c;
+ int c, start_pos;
if (_rl_uppercase_p (key))
rl_stuff_char ('$');
else if (vi_redoing)
rl_stuff_char (_rl_vi_last_motion);
+ start_pos = rl_point;
+
if (rl_vi_domove (key, &c))
{
rl_ding ();
@@ -1048,7 +1097,8 @@ rl_vi_delete_to (count, key)
/* These are the motion commands that do not require adjusting the
mark. */
- if ((strchr (" l|h^0bB", c) == 0) && (rl_mark < rl_end))
+ if (((strchr (" l|h^0bBFT`", c) == 0) && (rl_point >= start_pos)) &&
+ (rl_mark < rl_end))
rl_mark++;
rl_kill_text (rl_point, rl_mark);
@@ -1077,7 +1127,8 @@ rl_vi_change_to (count, key)
/* These are the motion commands that do not require adjusting the
mark. c[wW] are handled by special-case code in rl_vi_domove(),
and already leave the mark at the correct location. */
- if ((strchr (" l|hwW^0bB", c) == 0) && (rl_mark < rl_end))
+ if (((strchr (" l|hwW^0bBFT`", c) == 0) && (rl_point >= start_pos)) &&
+ (rl_mark < rl_end))
rl_mark++;
/* The cursor never moves with c[wW]. */
@@ -1112,12 +1163,13 @@ int
rl_vi_yank_to (count, key)
int count, key;
{
- int c, save;
+ int c, start_pos;
- save = rl_point;
if (_rl_uppercase_p (key))
rl_stuff_char ('$');
+ start_pos = rl_point;
+
if (rl_vi_domove (key, &c))
{
rl_ding ();
@@ -1126,14 +1178,15 @@ rl_vi_yank_to (count, key)
/* These are the motion commands that do not require adjusting the
mark. */
- if ((strchr (" l|h^0%bB", c) == 0) && (rl_mark < rl_end))
+ if (((strchr (" l|h^0%bBFT`", c) == 0) && (rl_point >= start_pos)) &&
+ (rl_mark < rl_end))
rl_mark++;
rl_begin_undo_group ();
rl_kill_text (rl_point, rl_mark);
rl_end_undo_group ();
rl_do_undo ();
- rl_point = save;
+ rl_point = start_pos;
return (0);
}
@@ -1224,14 +1277,22 @@ static int
_rl_vi_callback_char_search (data)
_rl_callback_generic_arg *data;
{
+ int c;
#if defined (HANDLE_MULTIBYTE)
- _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+ c = _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
#else
RL_SETSTATE(RL_STATE_MOREINPUT);
- _rl_vi_last_search_char = rl_read_key ();
+ c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
#endif
+ if (c <= 0)
+ return -1;
+
+#if !defined (HANDLE_MULTIBYTE)
+ _rl_vi_last_search_char = c;
+#endif
+
_rl_callback_func = 0;
_rl_want_redisplay = 1;
@@ -1247,6 +1308,7 @@ int
rl_vi_char_search (count, key)
int count, key;
{
+ int c;
#if defined (HANDLE_MULTIBYTE)
static char *target;
static int tlen;
@@ -1293,11 +1355,17 @@ rl_vi_char_search (count, key)
else
{
#if defined (HANDLE_MULTIBYTE)
- _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+ c = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+ if (c <= 0)
+ return -1;
+ _rl_vi_last_search_mblen = c;
#else
RL_SETSTATE(RL_STATE_MOREINPUT);
- _rl_vi_last_search_char = rl_read_key ();
+ c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ return -1;
+ _rl_vi_last_search_char = c;
#endif
}
}
@@ -1467,6 +1535,9 @@ _rl_vi_callback_getchar (mb, mlen)
c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ return -1;
+
#if defined (HANDLE_MULTIBYTE)
if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
c = _rl_read_mbstring (c, mb, mlen);
@@ -1485,6 +1556,9 @@ _rl_vi_callback_change_char (data)
_rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
+ if (c < 0)
+ return -1;
+
_rl_callback_func = 0;
_rl_want_redisplay = 1;
@@ -1516,6 +1590,9 @@ rl_vi_change_char (count, key)
else
_rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
+ if (c < 0)
+ return -1;
+
return (_rl_vi_change_char (count, c, mb));
}
@@ -1650,7 +1727,7 @@ _rl_vi_set_mark ()
ch = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
- if (ch < 'a' || ch > 'z')
+ if (ch < 0 || ch < 'a' || ch > 'z') /* make test against 0 explicit */
{
rl_ding ();
return -1;
@@ -1702,7 +1779,7 @@ _rl_vi_goto_mark ()
rl_point = rl_mark;
return 0;
}
- else if (ch < 'a' || ch > 'z')
+ else if (ch < 0 || ch < 'a' || ch > 'z') /* make test against 0 explicit */
{
rl_ding ();
return -1;