/* misc.c -- miscellaneous bindable readline functions. */
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/* misc.c -- miscellaneous bindable readline functions. */
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/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
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/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
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This file is part of the GNU Readline Library, a library for
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This file is part of the GNU Readline Library, a library for
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reading lines of text with interactive input and history editing.
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reading lines of text with interactive input and history editing.
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The GNU Readline Library is free software; you can redistribute it
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The GNU Readline Library is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License
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and/or modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2, or
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as published by the Free Software Foundation; either version 2, or
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(at your option) any later version.
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(at your option) any later version.
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|
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The GNU Readline Library is distributed in the hope that it will be
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The GNU Readline Library is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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The GNU General Public License is often shipped with GNU software, and
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The GNU General Public License is often shipped with GNU software, and
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is generally kept in a file called COPYING or LICENSE. If you do not
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is generally kept in a file called COPYING or LICENSE. If you do not
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have a copy of the license, write to the Free Software Foundation,
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have a copy of the license, write to the Free Software Foundation,
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59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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#define READLINE_LIBRARY
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#define READLINE_LIBRARY
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#if defined (HAVE_CONFIG_H)
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#if defined (HAVE_CONFIG_H)
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# include <config.h>
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# include <config.h>
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#endif
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#endif
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#if defined (HAVE_UNISTD_H)
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#if defined (HAVE_UNISTD_H)
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# include <unistd.h>
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# include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#endif /* HAVE_UNISTD_H */
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#if defined (HAVE_STDLIB_H)
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#if defined (HAVE_STDLIB_H)
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# include <stdlib.h>
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# include <stdlib.h>
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#else
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#else
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# include "ansi_stdlib.h"
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# include "ansi_stdlib.h"
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#endif /* HAVE_STDLIB_H */
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#endif /* HAVE_STDLIB_H */
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#if defined (HAVE_LOCALE_H)
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#if defined (HAVE_LOCALE_H)
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# include <locale.h>
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# include <locale.h>
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#endif
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#endif
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#include <stdio.h>
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#include <stdio.h>
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/* System-specific feature definitions and include files. */
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/* System-specific feature definitions and include files. */
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#include "rldefs.h"
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#include "rldefs.h"
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#include "rlmbutil.h"
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#include "rlmbutil.h"
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/* Some standard library routines. */
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/* Some standard library routines. */
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#include "readline.h"
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#include "readline.h"
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#include "history.h"
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#include "history.h"
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#include "rlprivate.h"
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#include "rlprivate.h"
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#include "rlshell.h"
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#include "rlshell.h"
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#include "xmalloc.h"
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#include "xmalloc.h"
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static int rl_digit_loop PARAMS((void));
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static int rl_digit_loop PARAMS((void));
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static void _rl_history_set_point PARAMS((void));
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static void _rl_history_set_point PARAMS((void));
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/* Forward declarations used in this file */
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/* Forward declarations used in this file */
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void _rl_free_history_entry PARAMS((HIST_ENTRY *));
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void _rl_free_history_entry PARAMS((HIST_ENTRY *));
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/* If non-zero, rl_get_previous_history and rl_get_next_history attempt
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/* If non-zero, rl_get_previous_history and rl_get_next_history attempt
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to preserve the value of rl_point from line to line. */
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to preserve the value of rl_point from line to line. */
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int _rl_history_preserve_point = 0;
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int _rl_history_preserve_point = 0;
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_rl_arg_cxt _rl_argcxt;
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_rl_arg_cxt _rl_argcxt;
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/* Saved target point for when _rl_history_preserve_point is set. Special
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/* Saved target point for when _rl_history_preserve_point is set. Special
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value of -1 means that point is at the end of the line. */
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value of -1 means that point is at the end of the line. */
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int _rl_history_saved_point = -1;
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int _rl_history_saved_point = -1;
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/* **************************************************************** */
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/* **************************************************************** */
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/* */
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/* */
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/* Numeric Arguments */
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/* Numeric Arguments */
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/* */
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/* */
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/* **************************************************************** */
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/* **************************************************************** */
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int
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int
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_rl_arg_overflow ()
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_rl_arg_overflow ()
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{
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{
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if (rl_numeric_arg > 1000000)
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if (rl_numeric_arg > 1000000)
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{
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{
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_rl_argcxt = 0;
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_rl_argcxt = 0;
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rl_explicit_arg = rl_numeric_arg = 0;
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rl_explicit_arg = rl_numeric_arg = 0;
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rl_ding ();
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rl_ding ();
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rl_restore_prompt ();
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rl_restore_prompt ();
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rl_clear_message ();
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rl_clear_message ();
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RL_UNSETSTATE(RL_STATE_NUMERICARG);
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RL_UNSETSTATE(RL_STATE_NUMERICARG);
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return 1;
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return 1;
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}
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}
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return 0;
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return 0;
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}
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}
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void
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void
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_rl_arg_init ()
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_rl_arg_init ()
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{
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{
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rl_save_prompt ();
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rl_save_prompt ();
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_rl_argcxt = 0;
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_rl_argcxt = 0;
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RL_SETSTATE(RL_STATE_NUMERICARG);
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RL_SETSTATE(RL_STATE_NUMERICARG);
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}
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}
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int
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int
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_rl_arg_getchar ()
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_rl_arg_getchar ()
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{
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{
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int c;
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int c;
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rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
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rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
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RL_SETSTATE(RL_STATE_MOREINPUT);
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RL_SETSTATE(RL_STATE_MOREINPUT);
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c = rl_read_key ();
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c = rl_read_key ();
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RL_UNSETSTATE(RL_STATE_MOREINPUT);
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RL_UNSETSTATE(RL_STATE_MOREINPUT);
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return c;
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return c;
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}
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}
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/* Process C as part of the current numeric argument. Return -1 if the
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/* Process C as part of the current numeric argument. Return -1 if the
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argument should be aborted, 0 if we should not read any more chars, and
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argument should be aborted, 0 if we should not read any more chars, and
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1 if we should continue to read chars. */
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1 if we should continue to read chars. */
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int
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int
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_rl_arg_dispatch (cxt, c)
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_rl_arg_dispatch (cxt, c)
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_rl_arg_cxt cxt;
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_rl_arg_cxt cxt;
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int c;
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int c;
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{
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{
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int key, r;
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int key, r;
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key = c;
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key = c;
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/* If we see a key bound to `universal-argument' after seeing digits,
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/* If we see a key bound to `universal-argument' after seeing digits,
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it ends the argument but is otherwise ignored. */
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it ends the argument but is otherwise ignored. */
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if (_rl_keymap[c].type == ISFUNC && _rl_keymap[c].function == rl_universal_argument)
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if (_rl_keymap[c].type == ISFUNC && _rl_keymap[c].function == rl_universal_argument)
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{
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{
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if ((cxt & NUM_SAWDIGITS) == 0)
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if ((cxt & NUM_SAWDIGITS) == 0)
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{
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{
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rl_numeric_arg *= 4;
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rl_numeric_arg *= 4;
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return 1;
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return 1;
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}
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}
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else if (RL_ISSTATE (RL_STATE_CALLBACK))
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else if (RL_ISSTATE (RL_STATE_CALLBACK))
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{
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{
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_rl_argcxt |= NUM_READONE;
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_rl_argcxt |= NUM_READONE;
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return 0; /* XXX */
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return 0; /* XXX */
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}
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}
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else
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else
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{
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{
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RL_SETSTATE(RL_STATE_MOREINPUT);
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RL_SETSTATE(RL_STATE_MOREINPUT);
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key = rl_read_key ();
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key = rl_read_key ();
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RL_UNSETSTATE(RL_STATE_MOREINPUT);
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RL_UNSETSTATE(RL_STATE_MOREINPUT);
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rl_restore_prompt ();
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rl_restore_prompt ();
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rl_clear_message ();
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rl_clear_message ();
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RL_UNSETSTATE(RL_STATE_NUMERICARG);
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RL_UNSETSTATE(RL_STATE_NUMERICARG);
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return (_rl_dispatch (key, _rl_keymap));
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return (_rl_dispatch (key, _rl_keymap));
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}
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}
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}
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}
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c = UNMETA (c);
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c = UNMETA (c);
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if (_rl_digit_p (c))
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if (_rl_digit_p (c))
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{
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{
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r = _rl_digit_value (c);
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r = _rl_digit_value (c);
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rl_numeric_arg = rl_explicit_arg ? (rl_numeric_arg * 10) + r : r;
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rl_numeric_arg = rl_explicit_arg ? (rl_numeric_arg * 10) + r : r;
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rl_explicit_arg = 1;
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rl_explicit_arg = 1;
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_rl_argcxt |= NUM_SAWDIGITS;
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_rl_argcxt |= NUM_SAWDIGITS;
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}
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}
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else if (c == '-' && rl_explicit_arg == 0)
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else if (c == '-' && rl_explicit_arg == 0)
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{
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{
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rl_numeric_arg = 1;
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rl_numeric_arg = 1;
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_rl_argcxt |= NUM_SAWMINUS;
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_rl_argcxt |= NUM_SAWMINUS;
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rl_arg_sign = -1;
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rl_arg_sign = -1;
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}
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}
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else
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else
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{
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{
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/* Make M-- command equivalent to M--1 command. */
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/* Make M-- command equivalent to M--1 command. */
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if ((_rl_argcxt & NUM_SAWMINUS) && rl_numeric_arg == 1 && rl_explicit_arg == 0)
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if ((_rl_argcxt & NUM_SAWMINUS) && rl_numeric_arg == 1 && rl_explicit_arg == 0)
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rl_explicit_arg = 1;
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rl_explicit_arg = 1;
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rl_restore_prompt ();
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rl_restore_prompt ();
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rl_clear_message ();
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rl_clear_message ();
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RL_UNSETSTATE(RL_STATE_NUMERICARG);
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RL_UNSETSTATE(RL_STATE_NUMERICARG);
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r = _rl_dispatch (key, _rl_keymap);
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r = _rl_dispatch (key, _rl_keymap);
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if (RL_ISSTATE (RL_STATE_CALLBACK))
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if (RL_ISSTATE (RL_STATE_CALLBACK))
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{
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{
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/* At worst, this will cause an extra redisplay. Otherwise,
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/* At worst, this will cause an extra redisplay. Otherwise,
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we have to wait until the next character comes in. */
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we have to wait until the next character comes in. */
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if (rl_done == 0)
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if (rl_done == 0)
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(*rl_redisplay_function) ();
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(*rl_redisplay_function) ();
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r = 0;
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r = 0;
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}
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}
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return r;
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return r;
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}
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}
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return 1;
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return 1;
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}
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}
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/* Handle C-u style numeric args, as well as M--, and M-digits. */
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/* Handle C-u style numeric args, as well as M--, and M-digits. */
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static int
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static int
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rl_digit_loop ()
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rl_digit_loop ()
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{
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{
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int c, r;
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int c, r;
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while (1)
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while (1)
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{
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{
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if (_rl_arg_overflow ())
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if (_rl_arg_overflow ())
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return 1;
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return 1;
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c = _rl_arg_getchar ();
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c = _rl_arg_getchar ();
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if (c < 0)
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if (c < 0)
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{
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{
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_rl_abort_internal ();
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_rl_abort_internal ();
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return -1;
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return -1;
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}
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}
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r = _rl_arg_dispatch (_rl_argcxt, c);
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r = _rl_arg_dispatch (_rl_argcxt, c);
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if (r <= 0 || (RL_ISSTATE (RL_STATE_NUMERICARG) == 0))
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if (r <= 0 || (RL_ISSTATE (RL_STATE_NUMERICARG) == 0))
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break;
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break;
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}
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}
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}
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}
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/* Create a default argument. */
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/* Create a default argument. */
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void
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void
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_rl_reset_argument ()
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_rl_reset_argument ()
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{
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{
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rl_numeric_arg = rl_arg_sign = 1;
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rl_numeric_arg = rl_arg_sign = 1;
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rl_explicit_arg = 0;
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rl_explicit_arg = 0;
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_rl_argcxt = 0;
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_rl_argcxt = 0;
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}
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}
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/* Start a numeric argument with initial value KEY */
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/* Start a numeric argument with initial value KEY */
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int
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int
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rl_digit_argument (ignore, key)
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rl_digit_argument (ignore, key)
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int ignore, key;
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int ignore, key;
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{
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{
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_rl_arg_init ();
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_rl_arg_init ();
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if (RL_ISSTATE (RL_STATE_CALLBACK))
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if (RL_ISSTATE (RL_STATE_CALLBACK))
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{
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{
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_rl_arg_dispatch (_rl_argcxt, key);
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_rl_arg_dispatch (_rl_argcxt, key);
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rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
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rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
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return 0;
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return 0;
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}
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}
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else
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else
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{
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{
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rl_execute_next (key);
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rl_execute_next (key);
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return (rl_digit_loop ());
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return (rl_digit_loop ());
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}
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}
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}
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}
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|
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/* C-u, universal argument. Multiply the current argument by 4.
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/* C-u, universal argument. Multiply the current argument by 4.
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Read a key. If the key has nothing to do with arguments, then
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Read a key. If the key has nothing to do with arguments, then
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dispatch on it. If the key is the abort character then abort. */
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dispatch on it. If the key is the abort character then abort. */
|
int
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int
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rl_universal_argument (count, key)
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rl_universal_argument (count, key)
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int count, key;
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int count, key;
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{
|
{
|
_rl_arg_init ();
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_rl_arg_init ();
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rl_numeric_arg *= 4;
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rl_numeric_arg *= 4;
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|
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return (RL_ISSTATE (RL_STATE_CALLBACK) ? 0 : rl_digit_loop ());
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return (RL_ISSTATE (RL_STATE_CALLBACK) ? 0 : rl_digit_loop ());
|
}
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}
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|
|
int
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int
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_rl_arg_callback (cxt)
|
_rl_arg_callback (cxt)
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_rl_arg_cxt cxt;
|
_rl_arg_cxt cxt;
|
{
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{
|
int c, r;
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int c, r;
|
|
|
c = _rl_arg_getchar ();
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c = _rl_arg_getchar ();
|
|
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if (_rl_argcxt & NUM_READONE)
|
if (_rl_argcxt & NUM_READONE)
|
{
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{
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_rl_argcxt &= ~NUM_READONE;
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_rl_argcxt &= ~NUM_READONE;
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rl_restore_prompt ();
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rl_restore_prompt ();
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rl_clear_message ();
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rl_clear_message ();
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RL_UNSETSTATE(RL_STATE_NUMERICARG);
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RL_UNSETSTATE(RL_STATE_NUMERICARG);
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rl_execute_next (c);
|
rl_execute_next (c);
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return 0;
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return 0;
|
}
|
}
|
|
|
r = _rl_arg_dispatch (cxt, c);
|
r = _rl_arg_dispatch (cxt, c);
|
return (r != 1);
|
return (r != 1);
|
}
|
}
|
|
|
/* What to do when you abort reading an argument. */
|
/* What to do when you abort reading an argument. */
|
int
|
int
|
rl_discard_argument ()
|
rl_discard_argument ()
|
{
|
{
|
rl_ding ();
|
rl_ding ();
|
rl_clear_message ();
|
rl_clear_message ();
|
_rl_reset_argument ();
|
_rl_reset_argument ();
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* **************************************************************** */
|
/* **************************************************************** */
|
/* */
|
/* */
|
/* History Utilities */
|
/* History Utilities */
|
/* */
|
/* */
|
/* **************************************************************** */
|
/* **************************************************************** */
|
|
|
/* We already have a history library, and that is what we use to control
|
/* We already have a history library, and that is what we use to control
|
the history features of readline. This is our local interface to
|
the history features of readline. This is our local interface to
|
the history mechanism. */
|
the history mechanism. */
|
|
|
/* While we are editing the history, this is the saved
|
/* While we are editing the history, this is the saved
|
version of the original line. */
|
version of the original line. */
|
HIST_ENTRY *_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
|
HIST_ENTRY *_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
|
|
|
/* Set the history pointer back to the last entry in the history. */
|
/* Set the history pointer back to the last entry in the history. */
|
void
|
void
|
_rl_start_using_history ()
|
_rl_start_using_history ()
|
{
|
{
|
using_history ();
|
using_history ();
|
if (_rl_saved_line_for_history)
|
if (_rl_saved_line_for_history)
|
_rl_free_history_entry (_rl_saved_line_for_history);
|
_rl_free_history_entry (_rl_saved_line_for_history);
|
|
|
_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
|
_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
|
}
|
}
|
|
|
/* Free the contents (and containing structure) of a HIST_ENTRY. */
|
/* Free the contents (and containing structure) of a HIST_ENTRY. */
|
void
|
void
|
_rl_free_history_entry (entry)
|
_rl_free_history_entry (entry)
|
HIST_ENTRY *entry;
|
HIST_ENTRY *entry;
|
{
|
{
|
if (entry == 0)
|
if (entry == 0)
|
return;
|
return;
|
|
|
FREE (entry->line);
|
FREE (entry->line);
|
FREE (entry->timestamp);
|
FREE (entry->timestamp);
|
|
|
free (entry);
|
free (entry);
|
}
|
}
|
|
|
/* Perhaps put back the current line if it has changed. */
|
/* Perhaps put back the current line if it has changed. */
|
int
|
int
|
rl_maybe_replace_line ()
|
rl_maybe_replace_line ()
|
{
|
{
|
HIST_ENTRY *temp;
|
HIST_ENTRY *temp;
|
|
|
temp = current_history ();
|
temp = current_history ();
|
/* If the current line has changed, save the changes. */
|
/* If the current line has changed, save the changes. */
|
if (temp && ((UNDO_LIST *)(temp->data) != rl_undo_list))
|
if (temp && ((UNDO_LIST *)(temp->data) != rl_undo_list))
|
{
|
{
|
temp = replace_history_entry (where_history (), rl_line_buffer, (histdata_t)rl_undo_list);
|
temp = replace_history_entry (where_history (), rl_line_buffer, (histdata_t)rl_undo_list);
|
free (temp->line);
|
free (temp->line);
|
FREE (temp->timestamp);
|
FREE (temp->timestamp);
|
free (temp);
|
free (temp);
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Restore the _rl_saved_line_for_history if there is one. */
|
/* Restore the _rl_saved_line_for_history if there is one. */
|
int
|
int
|
rl_maybe_unsave_line ()
|
rl_maybe_unsave_line ()
|
{
|
{
|
if (_rl_saved_line_for_history)
|
if (_rl_saved_line_for_history)
|
{
|
{
|
/* Can't call with `1' because rl_undo_list might point to an undo
|
/* Can't call with `1' because rl_undo_list might point to an undo
|
list from a history entry, as in rl_replace_from_history() below. */
|
list from a history entry, as in rl_replace_from_history() below. */
|
rl_replace_line (_rl_saved_line_for_history->line, 0);
|
rl_replace_line (_rl_saved_line_for_history->line, 0);
|
rl_undo_list = (UNDO_LIST *)_rl_saved_line_for_history->data;
|
rl_undo_list = (UNDO_LIST *)_rl_saved_line_for_history->data;
|
_rl_free_history_entry (_rl_saved_line_for_history);
|
_rl_free_history_entry (_rl_saved_line_for_history);
|
_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
|
_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
|
rl_point = rl_end; /* rl_replace_line sets rl_end */
|
rl_point = rl_end; /* rl_replace_line sets rl_end */
|
}
|
}
|
else
|
else
|
rl_ding ();
|
rl_ding ();
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Save the current line in _rl_saved_line_for_history. */
|
/* Save the current line in _rl_saved_line_for_history. */
|
int
|
int
|
rl_maybe_save_line ()
|
rl_maybe_save_line ()
|
{
|
{
|
if (_rl_saved_line_for_history == 0)
|
if (_rl_saved_line_for_history == 0)
|
{
|
{
|
_rl_saved_line_for_history = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
|
_rl_saved_line_for_history = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
|
_rl_saved_line_for_history->line = savestring (rl_line_buffer);
|
_rl_saved_line_for_history->line = savestring (rl_line_buffer);
|
_rl_saved_line_for_history->timestamp = (char *)NULL;
|
_rl_saved_line_for_history->timestamp = (char *)NULL;
|
_rl_saved_line_for_history->data = (char *)rl_undo_list;
|
_rl_saved_line_for_history->data = (char *)rl_undo_list;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int
|
int
|
_rl_free_saved_history_line ()
|
_rl_free_saved_history_line ()
|
{
|
{
|
if (_rl_saved_line_for_history)
|
if (_rl_saved_line_for_history)
|
{
|
{
|
_rl_free_history_entry (_rl_saved_line_for_history);
|
_rl_free_history_entry (_rl_saved_line_for_history);
|
_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
|
_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static void
|
static void
|
_rl_history_set_point ()
|
_rl_history_set_point ()
|
{
|
{
|
rl_point = (_rl_history_preserve_point && _rl_history_saved_point != -1)
|
rl_point = (_rl_history_preserve_point && _rl_history_saved_point != -1)
|
? _rl_history_saved_point
|
? _rl_history_saved_point
|
: rl_end;
|
: rl_end;
|
if (rl_point > rl_end)
|
if (rl_point > rl_end)
|
rl_point = rl_end;
|
rl_point = rl_end;
|
|
|
#if defined (VI_MODE)
|
#if defined (VI_MODE)
|
if (rl_editing_mode == vi_mode && _rl_keymap != vi_insertion_keymap)
|
if (rl_editing_mode == vi_mode && _rl_keymap != vi_insertion_keymap)
|
rl_point = 0;
|
rl_point = 0;
|
#endif /* VI_MODE */
|
#endif /* VI_MODE */
|
|
|
if (rl_editing_mode == emacs_mode)
|
if (rl_editing_mode == emacs_mode)
|
rl_mark = (rl_point == rl_end ? 0 : rl_end);
|
rl_mark = (rl_point == rl_end ? 0 : rl_end);
|
}
|
}
|
|
|
void
|
void
|
rl_replace_from_history (entry, flags)
|
rl_replace_from_history (entry, flags)
|
HIST_ENTRY *entry;
|
HIST_ENTRY *entry;
|
int flags; /* currently unused */
|
int flags; /* currently unused */
|
{
|
{
|
/* Can't call with `1' because rl_undo_list might point to an undo list
|
/* Can't call with `1' because rl_undo_list might point to an undo list
|
from a history entry, just like we're setting up here. */
|
from a history entry, just like we're setting up here. */
|
rl_replace_line (entry->line, 0);
|
rl_replace_line (entry->line, 0);
|
rl_undo_list = (UNDO_LIST *)entry->data;
|
rl_undo_list = (UNDO_LIST *)entry->data;
|
rl_point = rl_end;
|
rl_point = rl_end;
|
rl_mark = 0;
|
rl_mark = 0;
|
|
|
#if defined (VI_MODE)
|
#if defined (VI_MODE)
|
if (rl_editing_mode == vi_mode)
|
if (rl_editing_mode == vi_mode)
|
{
|
{
|
rl_point = 0;
|
rl_point = 0;
|
rl_mark = rl_end;
|
rl_mark = rl_end;
|
}
|
}
|
#endif
|
#endif
|
}
|
}
|
|
|
/* **************************************************************** */
|
/* **************************************************************** */
|
/* */
|
/* */
|
/* History Commands */
|
/* History Commands */
|
/* */
|
/* */
|
/* **************************************************************** */
|
/* **************************************************************** */
|
|
|
/* Meta-< goes to the start of the history. */
|
/* Meta-< goes to the start of the history. */
|
int
|
int
|
rl_beginning_of_history (count, key)
|
rl_beginning_of_history (count, key)
|
int count, key;
|
int count, key;
|
{
|
{
|
return (rl_get_previous_history (1 + where_history (), key));
|
return (rl_get_previous_history (1 + where_history (), key));
|
}
|
}
|
|
|
/* Meta-> goes to the end of the history. (The current line). */
|
/* Meta-> goes to the end of the history. (The current line). */
|
int
|
int
|
rl_end_of_history (count, key)
|
rl_end_of_history (count, key)
|
int count, key;
|
int count, key;
|
{
|
{
|
rl_maybe_replace_line ();
|
rl_maybe_replace_line ();
|
using_history ();
|
using_history ();
|
rl_maybe_unsave_line ();
|
rl_maybe_unsave_line ();
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Move down to the next history line. */
|
/* Move down to the next history line. */
|
int
|
int
|
rl_get_next_history (count, key)
|
rl_get_next_history (count, key)
|
int count, key;
|
int count, key;
|
{
|
{
|
HIST_ENTRY *temp;
|
HIST_ENTRY *temp;
|
|
|
if (count < 0)
|
if (count < 0)
|
return (rl_get_previous_history (-count, key));
|
return (rl_get_previous_history (-count, key));
|
|
|
if (count == 0)
|
if (count == 0)
|
return 0;
|
return 0;
|
|
|
rl_maybe_replace_line ();
|
rl_maybe_replace_line ();
|
|
|
/* either not saved by rl_newline or at end of line, so set appropriately. */
|
/* either not saved by rl_newline or at end of line, so set appropriately. */
|
if (_rl_history_saved_point == -1 && (rl_point || rl_end))
|
if (_rl_history_saved_point == -1 && (rl_point || rl_end))
|
_rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
|
_rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
|
|
|
temp = (HIST_ENTRY *)NULL;
|
temp = (HIST_ENTRY *)NULL;
|
while (count)
|
while (count)
|
{
|
{
|
temp = next_history ();
|
temp = next_history ();
|
if (!temp)
|
if (!temp)
|
break;
|
break;
|
--count;
|
--count;
|
}
|
}
|
|
|
if (temp == 0)
|
if (temp == 0)
|
rl_maybe_unsave_line ();
|
rl_maybe_unsave_line ();
|
else
|
else
|
{
|
{
|
rl_replace_from_history (temp, 0);
|
rl_replace_from_history (temp, 0);
|
_rl_history_set_point ();
|
_rl_history_set_point ();
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Get the previous item out of our interactive history, making it the current
|
/* Get the previous item out of our interactive history, making it the current
|
line. If there is no previous history, just ding. */
|
line. If there is no previous history, just ding. */
|
int
|
int
|
rl_get_previous_history (count, key)
|
rl_get_previous_history (count, key)
|
int count, key;
|
int count, key;
|
{
|
{
|
HIST_ENTRY *old_temp, *temp;
|
HIST_ENTRY *old_temp, *temp;
|
|
|
if (count < 0)
|
if (count < 0)
|
return (rl_get_next_history (-count, key));
|
return (rl_get_next_history (-count, key));
|
|
|
if (count == 0)
|
if (count == 0)
|
return 0;
|
return 0;
|
|
|
/* either not saved by rl_newline or at end of line, so set appropriately. */
|
/* either not saved by rl_newline or at end of line, so set appropriately. */
|
if (_rl_history_saved_point == -1 && (rl_point || rl_end))
|
if (_rl_history_saved_point == -1 && (rl_point || rl_end))
|
_rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
|
_rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
|
|
|
/* If we don't have a line saved, then save this one. */
|
/* If we don't have a line saved, then save this one. */
|
rl_maybe_save_line ();
|
rl_maybe_save_line ();
|
|
|
/* If the current line has changed, save the changes. */
|
/* If the current line has changed, save the changes. */
|
rl_maybe_replace_line ();
|
rl_maybe_replace_line ();
|
|
|
temp = old_temp = (HIST_ENTRY *)NULL;
|
temp = old_temp = (HIST_ENTRY *)NULL;
|
while (count)
|
while (count)
|
{
|
{
|
temp = previous_history ();
|
temp = previous_history ();
|
if (temp == 0)
|
if (temp == 0)
|
break;
|
break;
|
|
|
old_temp = temp;
|
old_temp = temp;
|
--count;
|
--count;
|
}
|
}
|
|
|
/* If there was a large argument, and we moved back to the start of the
|
/* If there was a large argument, and we moved back to the start of the
|
history, that is not an error. So use the last value found. */
|
history, that is not an error. So use the last value found. */
|
if (!temp && old_temp)
|
if (!temp && old_temp)
|
temp = old_temp;
|
temp = old_temp;
|
|
|
if (temp == 0)
|
if (temp == 0)
|
rl_ding ();
|
rl_ding ();
|
else
|
else
|
{
|
{
|
rl_replace_from_history (temp, 0);
|
rl_replace_from_history (temp, 0);
|
_rl_history_set_point ();
|
_rl_history_set_point ();
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* **************************************************************** */
|
/* **************************************************************** */
|
/* */
|
/* */
|
/* Editing Modes */
|
/* Editing Modes */
|
/* */
|
/* */
|
/* **************************************************************** */
|
/* **************************************************************** */
|
/* How to toggle back and forth between editing modes. */
|
/* How to toggle back and forth between editing modes. */
|
int
|
int
|
rl_vi_editing_mode (count, key)
|
rl_vi_editing_mode (count, key)
|
int count, key;
|
int count, key;
|
{
|
{
|
#if defined (VI_MODE)
|
#if defined (VI_MODE)
|
_rl_set_insert_mode (RL_IM_INSERT, 1); /* vi mode ignores insert mode */
|
_rl_set_insert_mode (RL_IM_INSERT, 1); /* vi mode ignores insert mode */
|
rl_editing_mode = vi_mode;
|
rl_editing_mode = vi_mode;
|
rl_vi_insertion_mode (1, key);
|
rl_vi_insertion_mode (1, key);
|
#endif /* VI_MODE */
|
#endif /* VI_MODE */
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int
|
int
|
rl_emacs_editing_mode (count, key)
|
rl_emacs_editing_mode (count, key)
|
int count, key;
|
int count, key;
|
{
|
{
|
rl_editing_mode = emacs_mode;
|
rl_editing_mode = emacs_mode;
|
_rl_set_insert_mode (RL_IM_INSERT, 1); /* emacs mode default is insert mode */
|
_rl_set_insert_mode (RL_IM_INSERT, 1); /* emacs mode default is insert mode */
|
_rl_keymap = emacs_standard_keymap;
|
_rl_keymap = emacs_standard_keymap;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Function for the rest of the library to use to set insert/overwrite mode. */
|
/* Function for the rest of the library to use to set insert/overwrite mode. */
|
void
|
void
|
_rl_set_insert_mode (im, force)
|
_rl_set_insert_mode (im, force)
|
int im, force;
|
int im, force;
|
{
|
{
|
#ifdef CURSOR_MODE
|
#ifdef CURSOR_MODE
|
_rl_set_cursor (im, force);
|
_rl_set_cursor (im, force);
|
#endif
|
#endif
|
|
|
rl_insert_mode = im;
|
rl_insert_mode = im;
|
}
|
}
|
|
|
/* Toggle overwrite mode. A positive explicit argument selects overwrite
|
/* Toggle overwrite mode. A positive explicit argument selects overwrite
|
mode. A negative or zero explicit argument selects insert mode. */
|
mode. A negative or zero explicit argument selects insert mode. */
|
int
|
int
|
rl_overwrite_mode (count, key)
|
rl_overwrite_mode (count, key)
|
int count, key;
|
int count, key;
|
{
|
{
|
if (rl_explicit_arg == 0)
|
if (rl_explicit_arg == 0)
|
_rl_set_insert_mode (rl_insert_mode ^ 1, 0);
|
_rl_set_insert_mode (rl_insert_mode ^ 1, 0);
|
else if (count > 0)
|
else if (count > 0)
|
_rl_set_insert_mode (RL_IM_OVERWRITE, 0);
|
_rl_set_insert_mode (RL_IM_OVERWRITE, 0);
|
else
|
else
|
_rl_set_insert_mode (RL_IM_INSERT, 0);
|
_rl_set_insert_mode (RL_IM_INSERT, 0);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
