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-rw-r--r--lib/readline/text.c96
1 files changed, 69 insertions, 27 deletions
diff --git a/lib/readline/text.c b/lib/readline/text.c
index 399a48c..fc39189 100644
--- a/lib/readline/text.c
+++ b/lib/readline/text.c
@@ -1,24 +1,24 @@
/* text.c -- text handling commands for readline. */
-/* 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
#if defined (HAVE_CONFIG_H)
@@ -67,6 +67,10 @@ static int _rl_insert_next_callback PARAMS((_rl_callback_generic_arg *));
static int _rl_char_search_callback PARAMS((_rl_callback_generic_arg *));
#endif
+/* The largest chunk of text that can be inserted in one call to
+ rl_insert_text. Text blocks larger than this are divided. */
+#define TEXT_COUNT_MAX 1024
+
/* **************************************************************** */
/* */
/* Insert and Delete */
@@ -185,10 +189,13 @@ _rl_replace_text (text, start, end)
{
int n;
+ n = 0;
rl_begin_undo_group ();
- rl_delete_text (start, end + 1);
+ if (start <= end)
+ rl_delete_text (start, end + 1);
rl_point = start;
- n = rl_insert_text (text);
+ if (*text)
+ n = rl_insert_text (text);
rl_end_undo_group ();
return n;
@@ -260,7 +267,7 @@ rl_forward_byte (count, key)
{
int end = rl_point + count;
#if defined (VI_MODE)
- int lend = rl_end > 0 ? rl_end - (rl_editing_mode == vi_mode) : rl_end;
+ int lend = rl_end > 0 ? rl_end - (VI_COMMAND_MODE()) : rl_end;
#else
int lend = rl_end;
#endif
@@ -296,10 +303,16 @@ rl_forward_char (count, key)
if (count > 0)
{
+ if (rl_point == rl_end && EMACS_MODE())
+ {
+ rl_ding ();
+ return 0;
+ }
+
point = _rl_find_next_mbchar (rl_line_buffer, rl_point, count, MB_FIND_NONZERO);
#if defined (VI_MODE)
- if (rl_end <= point && rl_editing_mode == vi_mode)
+ if (point >= rl_end && VI_COMMAND_MODE())
point = _rl_find_prev_mbchar (rl_line_buffer, rl_end, MB_FIND_NONZERO);
#endif
@@ -565,6 +578,21 @@ rl_clear_screen (count, key)
}
int
+rl_skip_csi_sequence (count, key)
+ int count, key;
+{
+ int ch;
+
+ RL_SETSTATE (RL_STATE_MOREINPUT);
+ do
+ ch = rl_read_key ();
+ while (ch >= 0x20 && ch < 0x40);
+ RL_UNSETSTATE (RL_STATE_MOREINPUT);
+
+ return 0;
+}
+
+int
rl_arrow_keys (count, c)
int count, c;
{
@@ -701,7 +729,7 @@ _rl_insert_char (count, c)
/* If we can optimize, then do it. But don't let people crash
readline because of extra large arguments. */
- if (count > 1 && count <= 1024)
+ if (count > 1 && count <= TEXT_COUNT_MAX)
{
#if defined (HANDLE_MULTIBYTE)
string_size = count * incoming_length;
@@ -729,11 +757,11 @@ _rl_insert_char (count, c)
return 0;
}
- if (count > 1024)
+ if (count > TEXT_COUNT_MAX)
{
int decreaser;
#if defined (HANDLE_MULTIBYTE)
- string_size = incoming_length * 1024;
+ string_size = incoming_length * TEXT_COUNT_MAX;
string = (char *)xmalloc (1 + string_size);
i = 0;
@@ -745,7 +773,7 @@ _rl_insert_char (count, c)
while (count)
{
- decreaser = (count > 1024) ? 1024 : count;
+ decreaser = (count > TEXT_COUNT_MAX) ? TEXT_COUNT_MAX : count;
string[decreaser*incoming_length] = '\0';
rl_insert_text (string);
count -= decreaser;
@@ -755,14 +783,14 @@ _rl_insert_char (count, c)
incoming_length = 0;
stored_count = 0;
#else /* !HANDLE_MULTIBYTE */
- char str[1024+1];
+ char str[TEXT_COUNT_MAX+1];
- for (i = 0; i < 1024; i++)
+ for (i = 0; i < TEXT_COUNT_MAX; i++)
str[i] = c;
while (count)
{
- decreaser = (count > 1024 ? 1024 : count);
+ decreaser = (count > TEXT_COUNT_MAX ? TEXT_COUNT_MAX : count);
str[decreaser] = '\0';
rl_insert_text (str);
count -= decreaser;
@@ -857,6 +885,9 @@ _rl_insert_next (count)
c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ return -1;
+
#if defined (HANDLE_SIGNALS)
if (RL_ISSTATE (RL_STATE_CALLBACK) == 0)
_rl_restore_tty_signals ();
@@ -940,7 +971,7 @@ rl_newline (count, key)
if (rl_erase_empty_line && rl_point == 0 && rl_end == 0)
return 0;
- if (readline_echoing_p)
+ if (_rl_echoing_p)
_rl_update_final ();
return 0;
}
@@ -1120,7 +1151,7 @@ int
rl_delete_horizontal_space (count, ignore)
int count, ignore;
{
- int start = rl_point;
+ int start;
while (rl_point && whitespace (rl_line_buffer[rl_point - 1]))
rl_point--;
@@ -1238,6 +1269,7 @@ rl_change_case (count, op)
wchar_t wc, nwc;
char mb[MB_LEN_MAX+1];
int mlen;
+ size_t m;
mbstate_t mps;
#endif
@@ -1290,7 +1322,11 @@ rl_change_case (count, op)
#if defined (HANDLE_MULTIBYTE)
else
{
- mbrtowc (&wc, rl_line_buffer + start, end - start, &mps);
+ m = mbrtowc (&wc, rl_line_buffer + start, end - start, &mps);
+ if (MB_INVALIDCH (m))
+ wc = (wchar_t)rl_line_buffer[start];
+ else if (MB_NULLWCH (m))
+ wc = L'\0';
nwc = (nop == UpCase) ? _rl_to_wupper (wc) : _rl_to_wlower (wc);
if (nwc != wc) /* just skip unchanged characters */
{
@@ -1520,6 +1556,9 @@ _rl_char_search (count, fdir, bdir)
mb_len = _rl_read_mbchar (mbchar, MB_LEN_MAX);
+ if (mb_len <= 0)
+ return -1;
+
if (count < 0)
return (_rl_char_search_internal (-count, bdir, mbchar, mb_len));
else
@@ -1536,6 +1575,9 @@ _rl_char_search (count, fdir, bdir)
c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ return -1;
+
if (count < 0)
return (_rl_char_search_internal (-count, bdir, c));
else
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 06:48:17 +0000