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cb41b9e70e
This imports readline 8.0. readline/ChangeLog.gdb 2019-08-12 Tom Tromey <tom@tromey.com> * Imported readline 8.0.
2315 lines
52 KiB
C
2315 lines
52 KiB
C
/* vi_mode.c -- A vi emulation mode for Bash.
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Derived from code written by Jeff Sparkes (jsparkes@bnr.ca). */
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/* Copyright (C) 1987-2018 Free Software Foundation, Inc.
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This file is part of the GNU Readline Library (Readline), a library
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for reading lines of text with interactive input and history editing.
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Readline is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Readline is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Readline. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define READLINE_LIBRARY
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/* **************************************************************** */
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/* */
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/* VI Emulation Mode */
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/* */
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/* **************************************************************** */
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#include "rlconf.h"
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#if defined (VI_MODE)
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#if defined (HAVE_CONFIG_H)
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# include <config.h>
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#endif
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#include <sys/types.h>
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#if defined (HAVE_STDLIB_H)
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# include <stdlib.h>
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#else
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# include "ansi_stdlib.h"
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#endif /* HAVE_STDLIB_H */
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#if defined (HAVE_UNISTD_H)
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# include <unistd.h>
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#endif
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#include <stdio.h>
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/* Some standard library routines. */
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#include "rldefs.h"
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#include "rlmbutil.h"
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#include "readline.h"
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#include "history.h"
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#include "rlprivate.h"
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#include "xmalloc.h"
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#ifndef member
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#define member(c, s) ((c) ? (char *)strchr ((s), (c)) != (char *)NULL : 0)
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#endif
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/* Increment START to the next character in RL_LINE_BUFFER, handling multibyte chars */
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#if defined (HANDLE_MULTIBYTE)
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#define INCREMENT_POS(start) \
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do { \
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if (MB_CUR_MAX == 1 || rl_byte_oriented) \
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start++; \
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else \
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start = _rl_find_next_mbchar (rl_line_buffer, start, 1, MB_FIND_ANY); \
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} while (0)
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#else /* !HANDLE_MULTIBYTE */
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#define INCREMENT_POS(start) (start)++
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#endif /* !HANDLE_MULTIBYTE */
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/* This is global so other parts of the code can check whether the last
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command was a text modification command. */
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int _rl_vi_last_command = 'i'; /* default `.' puts you in insert mode */
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_rl_vimotion_cxt *_rl_vimvcxt = 0;
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/* Non-zero indicates we are redoing a vi-mode command with `.' */
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int _rl_vi_redoing;
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/* Non-zero means enter insertion mode. */
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static int _rl_vi_doing_insert;
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/* Command keys which do movement for xxx_to commands. */
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static const char * const vi_motion = " hl^$0ftFT;,%wbeWBE|`";
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/* Keymap used for vi replace characters. Created dynamically since
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rarely used. */
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static Keymap vi_replace_map;
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/* The number of characters inserted in the last replace operation. */
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static int vi_replace_count;
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/* If non-zero, we have text inserted after a c[motion] command that put
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us implicitly into insert mode. Some people want this text to be
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attached to the command so that it is `redoable' with `.'. */
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static int vi_continued_command;
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static char *vi_insert_buffer;
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static int vi_insert_buffer_size;
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static int _rl_vi_last_repeat = 1;
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static int _rl_vi_last_arg_sign = 1;
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static int _rl_vi_last_motion;
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#if defined (HANDLE_MULTIBYTE)
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static char _rl_vi_last_search_mbchar[MB_LEN_MAX];
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static int _rl_vi_last_search_mblen;
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#else
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static int _rl_vi_last_search_char;
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#endif
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static char _rl_vi_last_replacement[MB_LEN_MAX+1]; /* reserve for trailing NULL */
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static int _rl_vi_last_key_before_insert;
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/* Text modification commands. These are the `redoable' commands. */
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static const char * const vi_textmod = "_*\\AaIiCcDdPpYyRrSsXx~";
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/* Arrays for the saved marks. */
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static int vi_mark_chars['z' - 'a' + 1];
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static void _rl_vi_replace_insert PARAMS((int));
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static void _rl_vi_save_replace PARAMS((void));
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static void _rl_vi_stuff_insert PARAMS((int));
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static void _rl_vi_save_insert PARAMS((UNDO_LIST *));
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static void vi_save_insert_buffer PARAMS ((int, int));
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static inline void _rl_vi_backup PARAMS((void));
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static int _rl_vi_arg_dispatch PARAMS((int));
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static int rl_digit_loop1 PARAMS((void));
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static int _rl_vi_set_mark PARAMS((void));
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static int _rl_vi_goto_mark PARAMS((void));
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static inline int _rl_vi_advance_point PARAMS((void));
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static inline int _rl_vi_backup_point PARAMS((void));
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static void _rl_vi_append_forward PARAMS((int));
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static int _rl_vi_callback_getchar PARAMS((char *, int));
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#if defined (READLINE_CALLBACKS)
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static int _rl_vi_callback_set_mark PARAMS((_rl_callback_generic_arg *));
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static int _rl_vi_callback_goto_mark PARAMS((_rl_callback_generic_arg *));
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static int _rl_vi_callback_change_char PARAMS((_rl_callback_generic_arg *));
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static int _rl_vi_callback_char_search PARAMS((_rl_callback_generic_arg *));
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#endif
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static int rl_domove_read_callback PARAMS((_rl_vimotion_cxt *));
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static int rl_domove_motion_callback PARAMS((_rl_vimotion_cxt *));
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static int rl_vi_domove_getchar PARAMS((_rl_vimotion_cxt *));
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static int vi_change_dispatch PARAMS((_rl_vimotion_cxt *));
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static int vi_delete_dispatch PARAMS((_rl_vimotion_cxt *));
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static int vi_yank_dispatch PARAMS((_rl_vimotion_cxt *));
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static int vidomove_dispatch PARAMS((_rl_vimotion_cxt *));
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void
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_rl_vi_initialize_line (void)
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{
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register int i, n;
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n = sizeof (vi_mark_chars) / sizeof (vi_mark_chars[0]);
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for (i = 0; i < n; i++)
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vi_mark_chars[i] = -1;
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RL_UNSETSTATE(RL_STATE_VICMDONCE);
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}
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void
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_rl_vi_reset_last (void)
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{
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_rl_vi_last_command = 'i';
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_rl_vi_last_repeat = 1;
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_rl_vi_last_arg_sign = 1;
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_rl_vi_last_motion = 0;
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}
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void
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_rl_vi_set_last (int key, int repeat, int sign)
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{
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_rl_vi_last_command = key;
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_rl_vi_last_repeat = repeat;
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_rl_vi_last_arg_sign = sign;
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}
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/* A convenience function that calls _rl_vi_set_last to save the last command
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information and enters insertion mode. */
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void
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rl_vi_start_inserting (int key, int repeat, int sign)
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{
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_rl_vi_set_last (key, repeat, sign);
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rl_begin_undo_group (); /* ensure inserts aren't concatenated */
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rl_vi_insertion_mode (1, key);
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}
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/* Is the command C a VI mode text modification command? */
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int
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_rl_vi_textmod_command (int c)
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{
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return (member (c, vi_textmod));
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}
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int
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_rl_vi_motion_command (int c)
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{
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return (member (c, vi_motion));
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}
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static void
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_rl_vi_replace_insert (int count)
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{
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int nchars;
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nchars = strlen (vi_insert_buffer);
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rl_begin_undo_group ();
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while (count--)
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/* nchars-1 to compensate for _rl_replace_text using `end+1' in call
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to rl_delete_text */
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_rl_replace_text (vi_insert_buffer, rl_point, rl_point+nchars-1);
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rl_end_undo_group ();
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}
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static void
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_rl_vi_stuff_insert (int count)
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{
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rl_begin_undo_group ();
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while (count--)
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rl_insert_text (vi_insert_buffer);
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rl_end_undo_group ();
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}
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/* Bound to `.'. Called from command mode, so we know that we have to
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redo a text modification command. The default for _rl_vi_last_command
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puts you back into insert mode. */
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int
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rl_vi_redo (int count, int c)
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{
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int r;
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if (rl_explicit_arg == 0)
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{
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rl_numeric_arg = _rl_vi_last_repeat;
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rl_arg_sign = _rl_vi_last_arg_sign;
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}
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r = 0;
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_rl_vi_redoing = 1;
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/* If we're redoing an insert with `i', stuff in the inserted text
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and do not go into insertion mode. */
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if (_rl_vi_last_command == 'i' && vi_insert_buffer && *vi_insert_buffer)
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{
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_rl_vi_stuff_insert (count);
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/* And back up point over the last character inserted. */
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if (rl_point > 0)
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_rl_vi_backup ();
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}
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else if (_rl_vi_last_command == 'R' && vi_insert_buffer && *vi_insert_buffer)
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{
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_rl_vi_replace_insert (count);
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/* And back up point over the last character inserted. */
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if (rl_point > 0)
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_rl_vi_backup ();
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}
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/* Ditto for redoing an insert with `I', but move to the beginning of the
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line like the `I' command does. */
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else if (_rl_vi_last_command == 'I' && vi_insert_buffer && *vi_insert_buffer)
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{
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rl_beg_of_line (1, 'I');
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_rl_vi_stuff_insert (count);
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if (rl_point > 0)
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_rl_vi_backup ();
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}
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/* Ditto for redoing an insert with `a', but move forward a character first
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like the `a' command does. */
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else if (_rl_vi_last_command == 'a' && vi_insert_buffer && *vi_insert_buffer)
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{
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_rl_vi_append_forward ('a');
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_rl_vi_stuff_insert (count);
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if (rl_point > 0)
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_rl_vi_backup ();
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}
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/* Ditto for redoing an insert with `A', but move to the end of the line
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like the `A' command does. */
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else if (_rl_vi_last_command == 'A' && vi_insert_buffer && *vi_insert_buffer)
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{
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rl_end_of_line (1, 'A');
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_rl_vi_stuff_insert (count);
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if (rl_point > 0)
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_rl_vi_backup ();
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}
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else
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r = _rl_dispatch (_rl_vi_last_command, _rl_keymap);
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_rl_vi_redoing = 0;
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return (r);
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}
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/* A placeholder for further expansion. */
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int
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rl_vi_undo (int count, int key)
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{
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return (rl_undo_command (count, key));
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}
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/* Yank the nth arg from the previous line into this line at point. */
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int
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rl_vi_yank_arg (int count, int key)
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{
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/* Readline thinks that the first word on a line is the 0th, while vi
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thinks the first word on a line is the 1st. Compensate. */
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if (rl_explicit_arg)
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rl_yank_nth_arg (count - 1, 0);
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else
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rl_yank_nth_arg ('$', 0);
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return (0);
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}
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/* With an argument, move back that many history lines, else move to the
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beginning of history. */
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int
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rl_vi_fetch_history (int count, int c)
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{
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int wanted;
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/* Giving an argument of n means we want the nth command in the history
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file. The command number is interpreted the same way that the bash
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`history' command does it -- that is, giving an argument count of 450
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to this command would get the command listed as number 450 in the
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output of `history'. */
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if (rl_explicit_arg)
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{
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wanted = history_base + where_history () - count;
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if (wanted <= 0)
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rl_beginning_of_history (0, 0);
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else
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rl_get_previous_history (wanted, c);
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}
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else
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rl_beginning_of_history (count, 0);
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return (0);
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}
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/* Search again for the last thing searched for. */
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int
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rl_vi_search_again (int count, int key)
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{
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switch (key)
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{
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case 'n':
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rl_noninc_reverse_search_again (count, key);
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break;
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case 'N':
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rl_noninc_forward_search_again (count, key);
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break;
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}
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return (0);
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}
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/* Do a vi style search. */
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int
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rl_vi_search (int count, int key)
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{
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switch (key)
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{
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case '?':
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_rl_free_saved_history_line ();
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rl_noninc_forward_search (count, key);
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break;
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case '/':
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_rl_free_saved_history_line ();
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rl_noninc_reverse_search (count, key);
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break;
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default:
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rl_ding ();
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break;
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}
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return (0);
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}
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/* Completion, from vi's point of view. */
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int
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rl_vi_complete (int ignore, int key)
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{
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if ((rl_point < rl_end) && (!whitespace (rl_line_buffer[rl_point])))
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{
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if (!whitespace (rl_line_buffer[rl_point + 1]))
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rl_vi_end_word (1, 'E');
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_rl_vi_advance_point ();
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}
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if (key == '*')
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rl_complete_internal ('*'); /* Expansion and replacement. */
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else if (key == '=')
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rl_complete_internal ('?'); /* List possible completions. */
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else if (key == '\\')
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rl_complete_internal (TAB); /* Standard Readline completion. */
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else
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rl_complete (0, key);
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if (key == '*' || key == '\\')
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rl_vi_start_inserting (key, 1, rl_arg_sign);
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return (0);
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}
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/* Tilde expansion for vi mode. */
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int
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rl_vi_tilde_expand (int ignore, int key)
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{
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rl_tilde_expand (0, key);
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rl_vi_start_inserting (key, 1, rl_arg_sign);
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return (0);
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}
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/* Previous word in vi mode. */
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int
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rl_vi_prev_word (int count, int key)
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{
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if (count < 0)
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return (rl_vi_next_word (-count, key));
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if (rl_point == 0)
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{
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rl_ding ();
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return (0);
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}
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if (_rl_uppercase_p (key))
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rl_vi_bWord (count, key);
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else
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rl_vi_bword (count, key);
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return (0);
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}
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/* Next word in vi mode. */
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int
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rl_vi_next_word (int count, int key)
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{
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if (count < 0)
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return (rl_vi_prev_word (-count, key));
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if (rl_point >= (rl_end - 1))
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{
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rl_ding ();
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return (0);
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}
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if (_rl_uppercase_p (key))
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rl_vi_fWord (count, key);
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else
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rl_vi_fword (count, key);
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return (0);
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}
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static inline int
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_rl_vi_advance_point (void)
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{
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int point;
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point = rl_point;
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if (rl_point < rl_end)
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#if defined (HANDLE_MULTIBYTE)
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{
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if (MB_CUR_MAX == 1 || rl_byte_oriented)
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rl_point++;
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else
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{
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point = rl_point;
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rl_point = _rl_forward_char_internal (1);
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if (point == rl_point || rl_point > rl_end)
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rl_point = rl_end;
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}
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}
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#else
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rl_point++;
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#endif
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return point;
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}
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/* Move the cursor back one character. */
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static inline void
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_rl_vi_backup (void)
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{
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if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
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rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
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else
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rl_point--;
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}
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/* Move the point back one character, returning the starting value and not
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doing anything at the beginning of the line */
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static inline int
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_rl_vi_backup_point (void)
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{
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int point;
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point = rl_point;
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if (rl_point > 0)
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#if defined (HANDLE_MULTIBYTE)
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{
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if (MB_CUR_MAX == 1 || rl_byte_oriented)
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rl_point--;
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else
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{
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point = rl_point;
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rl_point = _rl_backward_char_internal (1);
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if (rl_point < 0)
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rl_point = 0; /* XXX - not really necessary */
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}
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|
}
|
|
#else
|
|
rl_point--;
|
|
#endif
|
|
return point;
|
|
}
|
|
|
|
/* Move to the end of the ?next? word. */
|
|
int
|
|
rl_vi_end_word (int count, int key)
|
|
{
|
|
if (count < 0)
|
|
{
|
|
rl_ding ();
|
|
return 1;
|
|
}
|
|
|
|
if (_rl_uppercase_p (key))
|
|
rl_vi_eWord (count, key);
|
|
else
|
|
rl_vi_eword (count, key);
|
|
return (0);
|
|
}
|
|
|
|
/* Move forward a word the way that 'W' does. */
|
|
int
|
|
rl_vi_fWord (int count, int ignore)
|
|
{
|
|
while (count-- && rl_point < (rl_end - 1))
|
|
{
|
|
/* Skip until whitespace. */
|
|
while (!whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
|
|
_rl_vi_advance_point ();
|
|
|
|
/* Now skip whitespace. */
|
|
while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
|
|
_rl_vi_advance_point ();
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_bWord (int count, int ignore)
|
|
{
|
|
while (count-- && rl_point > 0)
|
|
{
|
|
/* If we are at the start of a word, move back to whitespace so
|
|
we will go back to the start of the previous word. */
|
|
if (!whitespace (rl_line_buffer[rl_point]) &&
|
|
whitespace (rl_line_buffer[rl_point - 1]))
|
|
rl_point--;
|
|
|
|
while (rl_point > 0 && whitespace (rl_line_buffer[rl_point]))
|
|
_rl_vi_backup_point ();
|
|
|
|
if (rl_point > 0)
|
|
{
|
|
do
|
|
_rl_vi_backup_point ();
|
|
while (rl_point > 0 && !whitespace (rl_line_buffer[rl_point]));
|
|
if (rl_point > 0) /* hit whitespace */
|
|
rl_point++;
|
|
|
|
if (rl_point < 0)
|
|
rl_point = 0;
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_eWord (int count, int ignore)
|
|
{
|
|
int opoint;
|
|
|
|
while (count-- && rl_point < (rl_end - 1))
|
|
{
|
|
if (whitespace (rl_line_buffer[rl_point]) == 0)
|
|
_rl_vi_advance_point ();
|
|
|
|
/* Move to the next non-whitespace character (to the start of the
|
|
next word). */
|
|
while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
|
|
_rl_vi_advance_point ();
|
|
|
|
if (rl_point && rl_point < rl_end)
|
|
{
|
|
opoint = rl_point;
|
|
|
|
/* Skip whitespace. */
|
|
while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
|
|
opoint = _rl_vi_advance_point (); /* XXX - why? */
|
|
|
|
/* Skip until whitespace. */
|
|
while (rl_point < rl_end && !whitespace (rl_line_buffer[rl_point]))
|
|
opoint = _rl_vi_advance_point ();
|
|
|
|
/* Move back to the last character of the word. */
|
|
rl_point = opoint;
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_fword (int count, int ignore)
|
|
{
|
|
int opoint;
|
|
|
|
while (count-- && rl_point < (rl_end - 1))
|
|
{
|
|
/* Move to white space (really non-identifer). */
|
|
if (_rl_isident (rl_line_buffer[rl_point]))
|
|
{
|
|
while (_rl_isident (rl_line_buffer[rl_point]) && rl_point < rl_end)
|
|
_rl_vi_advance_point ();
|
|
}
|
|
else /* if (!whitespace (rl_line_buffer[rl_point])) */
|
|
{
|
|
while (!_rl_isident (rl_line_buffer[rl_point]) &&
|
|
!whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
|
|
_rl_vi_advance_point ();
|
|
}
|
|
|
|
opoint = rl_point;
|
|
|
|
/* Move past whitespace. */
|
|
while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end)
|
|
opoint = _rl_vi_advance_point ();
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_bword (int count, int ignore)
|
|
{
|
|
int opoint;
|
|
|
|
while (count-- && rl_point > 0)
|
|
{
|
|
int prev_is_ident, cur_is_ident;
|
|
|
|
/* If we are at the start of a word, move back to whitespace
|
|
so we will go back to the start of the previous word. */
|
|
if (!whitespace (rl_line_buffer[rl_point]) &&
|
|
whitespace (rl_line_buffer[rl_point - 1]))
|
|
if (--rl_point == 0)
|
|
break;
|
|
|
|
/* If this character and the previous character are `opposite', move
|
|
back so we don't get messed up by the rl_point++ down there in
|
|
the while loop. Without this code, words like `l;' screw up the
|
|
function. */
|
|
cur_is_ident = _rl_isident (rl_line_buffer[rl_point]);
|
|
opoint = _rl_vi_backup_point ();
|
|
prev_is_ident = _rl_isident (rl_line_buffer[rl_point]);
|
|
if ((cur_is_ident && !prev_is_ident) || (!cur_is_ident && prev_is_ident))
|
|
; /* leave point alone, we backed it up one character */
|
|
else
|
|
rl_point = opoint;
|
|
|
|
while (rl_point > 0 && whitespace (rl_line_buffer[rl_point]))
|
|
_rl_vi_backup_point ();
|
|
|
|
if (rl_point > 0)
|
|
{
|
|
opoint = rl_point;
|
|
if (_rl_isident (rl_line_buffer[rl_point]))
|
|
do
|
|
opoint = _rl_vi_backup_point ();
|
|
while (rl_point > 0 && _rl_isident (rl_line_buffer[rl_point]));
|
|
else
|
|
do
|
|
opoint = _rl_vi_backup_point ();
|
|
while (rl_point > 0 && !_rl_isident (rl_line_buffer[rl_point]) &&
|
|
!whitespace (rl_line_buffer[rl_point]));
|
|
|
|
if (rl_point > 0)
|
|
rl_point = opoint;
|
|
|
|
if (rl_point < 0)
|
|
rl_point = 0;
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_eword (int count, int ignore)
|
|
{
|
|
int opoint;
|
|
|
|
while (count-- && rl_point < (rl_end - 1))
|
|
{
|
|
if (whitespace (rl_line_buffer[rl_point]) == 0)
|
|
_rl_vi_advance_point ();
|
|
|
|
while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
|
|
_rl_vi_advance_point ();
|
|
|
|
opoint = rl_point;
|
|
if (rl_point < rl_end)
|
|
{
|
|
if (_rl_isident (rl_line_buffer[rl_point]))
|
|
do
|
|
{
|
|
opoint = _rl_vi_advance_point ();
|
|
}
|
|
while (rl_point < rl_end && _rl_isident (rl_line_buffer[rl_point]));
|
|
else
|
|
do
|
|
{
|
|
opoint = _rl_vi_advance_point ();
|
|
}
|
|
while (rl_point < rl_end && !_rl_isident (rl_line_buffer[rl_point])
|
|
&& !whitespace (rl_line_buffer[rl_point]));
|
|
}
|
|
rl_point = opoint;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_insert_beg (int count, int key)
|
|
{
|
|
rl_beg_of_line (1, key);
|
|
rl_vi_insert_mode (1, key);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
_rl_vi_append_forward (int key)
|
|
{
|
|
_rl_vi_advance_point ();
|
|
}
|
|
|
|
int
|
|
rl_vi_append_mode (int count, int key)
|
|
{
|
|
_rl_vi_append_forward (key);
|
|
rl_vi_start_inserting (key, 1, rl_arg_sign);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_append_eol (int count, int key)
|
|
{
|
|
rl_end_of_line (1, key);
|
|
rl_vi_append_mode (1, key);
|
|
return (0);
|
|
}
|
|
|
|
/* What to do in the case of C-d. */
|
|
int
|
|
rl_vi_eof_maybe (int count, int c)
|
|
{
|
|
return (rl_newline (1, '\n'));
|
|
}
|
|
|
|
/* Insertion mode stuff. */
|
|
|
|
/* Switching from one mode to the other really just involves
|
|
switching keymaps. */
|
|
int
|
|
rl_vi_insertion_mode (int count, int key)
|
|
{
|
|
_rl_keymap = vi_insertion_keymap;
|
|
_rl_vi_last_key_before_insert = key;
|
|
if (_rl_show_mode_in_prompt)
|
|
_rl_reset_prompt ();
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_insert_mode (int count, int key)
|
|
{
|
|
rl_vi_start_inserting (key, 1, rl_arg_sign);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
vi_save_insert_buffer (int start, int len)
|
|
{
|
|
/* Same code as _rl_vi_save_insert below */
|
|
if (len >= vi_insert_buffer_size)
|
|
{
|
|
vi_insert_buffer_size += (len + 32) - (len % 32);
|
|
vi_insert_buffer = (char *)xrealloc (vi_insert_buffer, vi_insert_buffer_size);
|
|
}
|
|
strncpy (vi_insert_buffer, rl_line_buffer + start, len - 1);
|
|
vi_insert_buffer[len-1] = '\0';
|
|
}
|
|
|
|
static void
|
|
_rl_vi_save_replace (void)
|
|
{
|
|
int len, start, end;
|
|
UNDO_LIST *up;
|
|
|
|
up = rl_undo_list;
|
|
if (up == 0 || up->what != UNDO_END || vi_replace_count <= 0)
|
|
{
|
|
if (vi_insert_buffer_size >= 1)
|
|
vi_insert_buffer[0] = '\0';
|
|
return;
|
|
}
|
|
/* Let's try it the quick and easy way for now. This should essentially
|
|
accommodate every UNDO_INSERT and save the inserted text to
|
|
vi_insert_buffer */
|
|
end = rl_point;
|
|
start = end - vi_replace_count + 1;
|
|
len = vi_replace_count + 1;
|
|
|
|
vi_save_insert_buffer (start, len);
|
|
}
|
|
|
|
static void
|
|
_rl_vi_save_insert (UNDO_LIST *up)
|
|
{
|
|
int len, start, end;
|
|
|
|
if (up == 0 || up->what != UNDO_INSERT)
|
|
{
|
|
if (vi_insert_buffer_size >= 1)
|
|
vi_insert_buffer[0] = '\0';
|
|
return;
|
|
}
|
|
|
|
start = up->start;
|
|
end = up->end;
|
|
len = end - start + 1;
|
|
|
|
vi_save_insert_buffer (start, len);
|
|
}
|
|
|
|
void
|
|
_rl_vi_done_inserting (void)
|
|
{
|
|
if (_rl_vi_doing_insert)
|
|
{
|
|
/* The `C', `s', and `S' commands set this. */
|
|
rl_end_undo_group ();
|
|
/* Now, the text between rl_undo_list->next->start and
|
|
rl_undo_list->next->end is what was inserted while in insert
|
|
mode. It gets copied to VI_INSERT_BUFFER because it depends
|
|
on absolute indices into the line which may change (though they
|
|
probably will not). */
|
|
_rl_vi_doing_insert = 0;
|
|
if (_rl_vi_last_key_before_insert == 'R')
|
|
_rl_vi_save_replace (); /* Half the battle */
|
|
else
|
|
_rl_vi_save_insert (rl_undo_list->next);
|
|
vi_continued_command = 1;
|
|
}
|
|
else
|
|
{
|
|
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')
|
|
rl_end_undo_group ();
|
|
while (_rl_undo_group_level > 0)
|
|
rl_end_undo_group ();
|
|
vi_continued_command = 0;
|
|
}
|
|
}
|
|
|
|
int
|
|
rl_vi_movement_mode (int count, int key)
|
|
{
|
|
if (rl_point > 0)
|
|
rl_backward_char (1, key);
|
|
|
|
_rl_keymap = vi_movement_keymap;
|
|
_rl_vi_done_inserting ();
|
|
|
|
/* This is how POSIX.2 says `U' should behave -- everything up until the
|
|
first time you go into command mode should not be undone. */
|
|
if (RL_ISSTATE (RL_STATE_VICMDONCE) == 0)
|
|
rl_free_undo_list ();
|
|
|
|
if (_rl_show_mode_in_prompt)
|
|
_rl_reset_prompt ();
|
|
|
|
RL_SETSTATE (RL_STATE_VICMDONCE);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_arg_digit (int count, int c)
|
|
{
|
|
if (c == '0' && rl_numeric_arg == 1 && !rl_explicit_arg)
|
|
return (rl_beg_of_line (1, c));
|
|
else
|
|
return (rl_digit_argument (count, c));
|
|
}
|
|
|
|
/* Change the case of the next COUNT characters. */
|
|
#if defined (HANDLE_MULTIBYTE)
|
|
static int
|
|
_rl_vi_change_mbchar_case (int 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));
|
|
if (_rl_adjust_point (rl_line_buffer, rl_point, &ps) > 0)
|
|
count--;
|
|
while (count-- && rl_point < rl_end)
|
|
{
|
|
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))
|
|
wc = towupper (wc);
|
|
else
|
|
{
|
|
/* Just skip over chars neither upper nor lower case */
|
|
rl_forward_char (1, 0);
|
|
continue;
|
|
}
|
|
|
|
/* Vi is kind of strange here. */
|
|
if (wc)
|
|
{
|
|
p = rl_point;
|
|
mlen = wcrtomb (mb, wc, &ps);
|
|
if (mlen >= 0)
|
|
mb[mlen] = '\0';
|
|
rl_begin_undo_group ();
|
|
rl_vi_delete (1, 0);
|
|
if (rl_point < p) /* Did we retreat at EOL? */
|
|
_rl_vi_advance_point ();
|
|
rl_insert_text (mb);
|
|
rl_end_undo_group ();
|
|
rl_vi_check ();
|
|
}
|
|
else
|
|
rl_forward_char (1, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
int
|
|
rl_vi_change_case (int count, int ignore)
|
|
{
|
|
int c, p;
|
|
|
|
/* Don't try this on an empty line. */
|
|
if (rl_point >= rl_end)
|
|
return (0);
|
|
|
|
c = 0;
|
|
#if defined (HANDLE_MULTIBYTE)
|
|
if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
|
|
return (_rl_vi_change_mbchar_case (count));
|
|
#endif
|
|
|
|
while (count-- && rl_point < rl_end)
|
|
{
|
|
if (_rl_uppercase_p (rl_line_buffer[rl_point]))
|
|
c = _rl_to_lower (rl_line_buffer[rl_point]);
|
|
else if (_rl_lowercase_p (rl_line_buffer[rl_point]))
|
|
c = _rl_to_upper (rl_line_buffer[rl_point]);
|
|
else
|
|
{
|
|
/* Just skip over characters neither upper nor lower case. */
|
|
rl_forward_char (1, c);
|
|
continue;
|
|
}
|
|
|
|
/* Vi is kind of strange here. */
|
|
if (c)
|
|
{
|
|
p = rl_point;
|
|
rl_begin_undo_group ();
|
|
rl_vi_delete (1, c);
|
|
if (rl_point < p) /* Did we retreat at EOL? */
|
|
rl_point++;
|
|
_rl_insert_char (1, c);
|
|
rl_end_undo_group ();
|
|
rl_vi_check ();
|
|
}
|
|
else
|
|
rl_forward_char (1, c);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_put (int count, int key)
|
|
{
|
|
if (!_rl_uppercase_p (key) && (rl_point + 1 <= rl_end))
|
|
rl_point = _rl_find_next_mbchar (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO);
|
|
|
|
while (count--)
|
|
rl_yank (1, key);
|
|
|
|
rl_backward_char (1, key);
|
|
return (0);
|
|
}
|
|
|
|
/* Move the cursor back one character if you're at the end of the line */
|
|
int
|
|
rl_vi_check (void)
|
|
{
|
|
if (rl_point && rl_point == rl_end)
|
|
_rl_vi_backup ();
|
|
return (0);
|
|
}
|
|
|
|
/* Move to the character position specified by COUNT */
|
|
int
|
|
rl_vi_column (int count, int key)
|
|
{
|
|
if (count > rl_end)
|
|
rl_end_of_line (1, key);
|
|
else
|
|
{
|
|
rl_point = 0;
|
|
rl_point = _rl_forward_char_internal (count - 1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/* Process C as part of the current numeric argument. Return -1 if the
|
|
argument should be aborted, 0 if we should not read any more chars, and
|
|
1 if we should continue to read chars. */
|
|
static int
|
|
_rl_vi_arg_dispatch (int c)
|
|
{
|
|
int key;
|
|
|
|
key = c;
|
|
if (c >= 0 && _rl_keymap[c].type == ISFUNC && _rl_keymap[c].function == rl_universal_argument)
|
|
{
|
|
rl_numeric_arg *= 4;
|
|
return 1;
|
|
}
|
|
|
|
c = UNMETA (c);
|
|
|
|
if (_rl_digit_p (c))
|
|
{
|
|
if (rl_explicit_arg)
|
|
rl_numeric_arg = (rl_numeric_arg * 10) + _rl_digit_value (c);
|
|
else
|
|
rl_numeric_arg = _rl_digit_value (c);
|
|
rl_explicit_arg = 1;
|
|
return 1; /* keep going */
|
|
}
|
|
else
|
|
{
|
|
rl_clear_message ();
|
|
rl_stuff_char (key);
|
|
return 0; /* done */
|
|
}
|
|
}
|
|
|
|
/* A simplified loop for vi. Don't dispatch key at end.
|
|
Don't recognize minus sign?
|
|
Should this do rl_save_prompt/rl_restore_prompt? */
|
|
static int
|
|
rl_digit_loop1 (void)
|
|
{
|
|
int c, r;
|
|
|
|
while (1)
|
|
{
|
|
if (_rl_arg_overflow ())
|
|
return 1;
|
|
|
|
c = _rl_arg_getchar ();
|
|
|
|
r = _rl_vi_arg_dispatch (c);
|
|
if (r <= 0)
|
|
break;
|
|
}
|
|
|
|
RL_UNSETSTATE(RL_STATE_NUMERICARG);
|
|
return (0);
|
|
}
|
|
|
|
/* This set of functions is basically to handle the commands that take a
|
|
motion argument while in callback mode: read the command, read the motion
|
|
command modifier, find the extent of the text to affect, and dispatch the
|
|
command for execution. */
|
|
static void
|
|
_rl_mvcxt_init (_rl_vimotion_cxt *m, int op, int key)
|
|
{
|
|
m->op = op;
|
|
m->state = m->flags = 0;
|
|
m->ncxt = 0;
|
|
m->numeric_arg = -1;
|
|
m->start = rl_point;
|
|
m->end = rl_end;
|
|
m->key = key;
|
|
m->motion = -1;
|
|
}
|
|
|
|
static _rl_vimotion_cxt *
|
|
_rl_mvcxt_alloc (int op, int key)
|
|
{
|
|
_rl_vimotion_cxt *m;
|
|
|
|
m = xmalloc (sizeof (_rl_vimotion_cxt));
|
|
_rl_mvcxt_init (m, op, key);
|
|
return m;
|
|
}
|
|
|
|
static void
|
|
_rl_mvcxt_dispose (_rl_vimotion_cxt *m)
|
|
{
|
|
xfree (m);
|
|
}
|
|
|
|
static int
|
|
rl_domove_motion_callback (_rl_vimotion_cxt *m)
|
|
{
|
|
int c;
|
|
|
|
_rl_vi_last_motion = c = m->motion;
|
|
|
|
/* Append a blank character temporarily so that the motion routines
|
|
work right at the end of the line. Original value of rl_end is saved
|
|
as m->end. */
|
|
rl_line_buffer[rl_end++] = ' ';
|
|
rl_line_buffer[rl_end] = '\0';
|
|
|
|
_rl_dispatch (c, _rl_keymap);
|
|
|
|
#if defined (READLINE_CALLBACKS)
|
|
if (RL_ISSTATE (RL_STATE_CALLBACK))
|
|
{
|
|
/* Messy case where char search can be vi motion command; see rest of
|
|
details in callback.c. vi_char_search and callback_char_search just
|
|
set and unset the CHARSEARCH state. This is where any vi motion
|
|
command that needs to set its own state should be handled, with any
|
|
corresponding code to manage that state in callback.c */
|
|
if (RL_ISSTATE (RL_STATE_CHARSEARCH))
|
|
return 0;
|
|
else
|
|
return (_rl_vi_domove_motion_cleanup (c, m));
|
|
}
|
|
#endif
|
|
|
|
return (_rl_vi_domove_motion_cleanup (c, m));
|
|
}
|
|
|
|
int
|
|
_rl_vi_domove_motion_cleanup (int c, _rl_vimotion_cxt *m)
|
|
{
|
|
int r;
|
|
|
|
/* Remove the blank that we added in rl_domove_motion_callback. */
|
|
rl_end = m->end;
|
|
rl_line_buffer[rl_end] = '\0';
|
|
if (rl_point > rl_end)
|
|
rl_point = rl_end;
|
|
|
|
/* No change in position means the command failed. */
|
|
if (rl_mark == rl_point)
|
|
{
|
|
RL_UNSETSTATE (RL_STATE_VIMOTION);
|
|
return (-1);
|
|
}
|
|
|
|
/* rl_vi_f[wW]ord () leaves the cursor on the first character of the next
|
|
word. If we are not at the end of the line, and we are on a
|
|
non-whitespace character, move back one (presumably to whitespace). */
|
|
if ((_rl_to_upper (c) == 'W') && rl_point < rl_end && rl_point > rl_mark &&
|
|
!whitespace (rl_line_buffer[rl_point]))
|
|
rl_point--; /* XXX */
|
|
|
|
/* If cw or cW, back up to the end of a word, so the behaviour of ce
|
|
or cE is the actual result. Brute-force, no subtlety. */
|
|
if (m->key == 'c' && rl_point >= rl_mark && (_rl_to_upper (c) == 'W'))
|
|
{
|
|
/* Don't move farther back than where we started. */
|
|
while (rl_point > rl_mark && whitespace (rl_line_buffer[rl_point]))
|
|
rl_point--;
|
|
|
|
/* Posix.2 says that if cw or cW moves the cursor towards the end of
|
|
the line, the character under the cursor should be deleted. */
|
|
if (rl_point == rl_mark)
|
|
_rl_vi_advance_point ();
|
|
else
|
|
{
|
|
/* Move past the end of the word so that the kill doesn't
|
|
remove the last letter of the previous word. Only do this
|
|
if we are not at the end of the line. */
|
|
if (rl_point >= 0 && rl_point < (rl_end - 1) && !whitespace (rl_line_buffer[rl_point]))
|
|
_rl_vi_advance_point ();
|
|
}
|
|
}
|
|
|
|
if (rl_mark < rl_point)
|
|
SWAP (rl_point, rl_mark);
|
|
|
|
#if defined (READLINE_CALLBACKS)
|
|
if (RL_ISSTATE (RL_STATE_CALLBACK))
|
|
(*rl_redisplay_function)(); /* make sure motion is displayed */
|
|
#endif
|
|
|
|
r = vidomove_dispatch (m);
|
|
|
|
return (r);
|
|
}
|
|
|
|
#define RL_VIMOVENUMARG() (RL_ISSTATE (RL_STATE_VIMOTION) && RL_ISSTATE (RL_STATE_NUMERICARG))
|
|
|
|
static int
|
|
rl_domove_read_callback (_rl_vimotion_cxt *m)
|
|
{
|
|
int c, save;
|
|
|
|
c = m->motion;
|
|
|
|
if (member (c, vi_motion))
|
|
{
|
|
#if defined (READLINE_CALLBACKS)
|
|
/* If we just read a vi-mode motion command numeric argument, turn off
|
|
the `reading numeric arg' state */
|
|
if (RL_ISSTATE (RL_STATE_CALLBACK) && RL_VIMOVENUMARG())
|
|
RL_UNSETSTATE (RL_STATE_NUMERICARG);
|
|
#endif
|
|
/* Should do everything, including turning off RL_STATE_VIMOTION */
|
|
return (rl_domove_motion_callback (m));
|
|
}
|
|
else if (m->key == c && (m->key == 'd' || m->key == 'y' || m->key == 'c'))
|
|
{
|
|
rl_mark = rl_end;
|
|
rl_beg_of_line (1, c);
|
|
_rl_vi_last_motion = c;
|
|
RL_UNSETSTATE (RL_STATE_VIMOTION);
|
|
return (vidomove_dispatch (m));
|
|
}
|
|
#if defined (READLINE_CALLBACKS)
|
|
/* XXX - these need to handle rl_universal_argument bindings */
|
|
/* Reading vi motion char continuing numeric argument */
|
|
else if (_rl_digit_p (c) && RL_ISSTATE (RL_STATE_CALLBACK) && RL_VIMOVENUMARG())
|
|
{
|
|
return (_rl_vi_arg_dispatch (c));
|
|
}
|
|
/* Readine vi motion char starting numeric argument */
|
|
else if (_rl_digit_p (c) && RL_ISSTATE (RL_STATE_CALLBACK) && RL_ISSTATE (RL_STATE_VIMOTION) && (RL_ISSTATE (RL_STATE_NUMERICARG) == 0))
|
|
{
|
|
RL_SETSTATE (RL_STATE_NUMERICARG);
|
|
return (_rl_vi_arg_dispatch (c));
|
|
}
|
|
#endif
|
|
else if (_rl_digit_p (c))
|
|
{
|
|
/* This code path taken when not in callback mode */
|
|
save = rl_numeric_arg;
|
|
rl_numeric_arg = _rl_digit_value (c);
|
|
rl_explicit_arg = 1;
|
|
RL_SETSTATE (RL_STATE_NUMERICARG);
|
|
rl_digit_loop1 ();
|
|
rl_numeric_arg *= save;
|
|
c = rl_vi_domove_getchar (m);
|
|
if (c < 0)
|
|
{
|
|
m->motion = 0;
|
|
return -1;
|
|
}
|
|
m->motion = c;
|
|
return (rl_domove_motion_callback (m));
|
|
}
|
|
else
|
|
{
|
|
RL_UNSETSTATE (RL_STATE_VIMOTION);
|
|
RL_UNSETSTATE (RL_STATE_NUMERICARG);
|
|
return (1);
|
|
}
|
|
}
|
|
|
|
static int
|
|
rl_vi_domove_getchar (_rl_vimotion_cxt *m)
|
|
{
|
|
int c;
|
|
|
|
RL_SETSTATE(RL_STATE_MOREINPUT);
|
|
c = rl_read_key ();
|
|
RL_UNSETSTATE(RL_STATE_MOREINPUT);
|
|
|
|
return c;
|
|
}
|
|
|
|
#if defined (READLINE_CALLBACKS)
|
|
int
|
|
_rl_vi_domove_callback (_rl_vimotion_cxt *m)
|
|
{
|
|
int c, r;
|
|
|
|
m->motion = c = rl_vi_domove_getchar (m);
|
|
if (c < 0)
|
|
return 1; /* EOF */
|
|
r = rl_domove_read_callback (m);
|
|
|
|
return ((r == 0) ? r : 1); /* normalize return values */
|
|
}
|
|
#endif
|
|
|
|
/* This code path is taken when not in callback mode. */
|
|
int
|
|
rl_vi_domove (int x, int *ignore)
|
|
{
|
|
int r;
|
|
_rl_vimotion_cxt *m;
|
|
|
|
m = _rl_vimvcxt;
|
|
*ignore = m->motion = rl_vi_domove_getchar (m);
|
|
|
|
if (m->motion < 0)
|
|
{
|
|
m->motion = 0;
|
|
return -1;
|
|
}
|
|
|
|
return (rl_domove_read_callback (m));
|
|
}
|
|
|
|
static int
|
|
vi_delete_dispatch (_rl_vimotion_cxt *m)
|
|
{
|
|
/* These are the motion commands that do not require adjusting the
|
|
mark. */
|
|
if (((strchr (" l|h^0bBFT`", m->motion) == 0) && (rl_point >= m->start)) &&
|
|
(rl_mark < rl_end))
|
|
INCREMENT_POS (rl_mark);
|
|
|
|
rl_kill_text (rl_point, rl_mark);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_delete_to (int count, int key)
|
|
{
|
|
int c, r;
|
|
|
|
_rl_vimvcxt = _rl_mvcxt_alloc (VIM_DELETE, key);
|
|
_rl_vimvcxt->start = rl_point;
|
|
|
|
rl_mark = rl_point;
|
|
if (_rl_uppercase_p (key))
|
|
{
|
|
_rl_vimvcxt->motion = '$';
|
|
r = rl_domove_motion_callback (_rl_vimvcxt);
|
|
}
|
|
else if (_rl_vi_redoing && _rl_vi_last_motion != 'd') /* `dd' is special */
|
|
{
|
|
_rl_vimvcxt->motion = _rl_vi_last_motion;
|
|
r = rl_domove_motion_callback (_rl_vimvcxt);
|
|
}
|
|
else if (_rl_vi_redoing) /* handle redoing `dd' here */
|
|
{
|
|
_rl_vimvcxt->motion = _rl_vi_last_motion;
|
|
rl_mark = rl_end;
|
|
rl_beg_of_line (1, key);
|
|
RL_UNSETSTATE (RL_STATE_VIMOTION);
|
|
r = vidomove_dispatch (_rl_vimvcxt);
|
|
}
|
|
#if defined (READLINE_CALLBACKS)
|
|
else if (RL_ISSTATE (RL_STATE_CALLBACK))
|
|
{
|
|
RL_SETSTATE (RL_STATE_VIMOTION);
|
|
return (0);
|
|
}
|
|
#endif
|
|
else
|
|
r = rl_vi_domove (key, &c);
|
|
|
|
if (r < 0)
|
|
{
|
|
rl_ding ();
|
|
r = -1;
|
|
}
|
|
|
|
_rl_mvcxt_dispose (_rl_vimvcxt);
|
|
_rl_vimvcxt = 0;
|
|
|
|
return r;
|
|
}
|
|
|
|
static int
|
|
vi_change_dispatch (_rl_vimotion_cxt *m)
|
|
{
|
|
/* 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^0bBFT`", m->motion) == 0) && (rl_point >= m->start)) &&
|
|
(rl_mark < rl_end))
|
|
INCREMENT_POS (rl_mark);
|
|
|
|
/* The cursor never moves with c[wW]. */
|
|
if ((_rl_to_upper (m->motion) == 'W') && rl_point < m->start)
|
|
rl_point = m->start;
|
|
|
|
if (_rl_vi_redoing)
|
|
{
|
|
if (vi_insert_buffer && *vi_insert_buffer)
|
|
rl_begin_undo_group ();
|
|
rl_delete_text (rl_point, rl_mark);
|
|
if (vi_insert_buffer && *vi_insert_buffer)
|
|
{
|
|
rl_insert_text (vi_insert_buffer);
|
|
rl_end_undo_group ();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
rl_begin_undo_group (); /* to make the `u' command work */
|
|
rl_kill_text (rl_point, rl_mark);
|
|
/* `C' does not save the text inserted for undoing or redoing. */
|
|
if (_rl_uppercase_p (m->key) == 0)
|
|
_rl_vi_doing_insert = 1;
|
|
/* XXX -- TODO -- use m->numericarg? */
|
|
rl_vi_start_inserting (m->key, rl_numeric_arg, rl_arg_sign);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_change_to (int count, int key)
|
|
{
|
|
int c, r;
|
|
|
|
_rl_vimvcxt = _rl_mvcxt_alloc (VIM_CHANGE, key);
|
|
_rl_vimvcxt->start = rl_point;
|
|
|
|
rl_mark = rl_point;
|
|
if (_rl_uppercase_p (key))
|
|
{
|
|
_rl_vimvcxt->motion = '$';
|
|
r = rl_domove_motion_callback (_rl_vimvcxt);
|
|
}
|
|
else if (_rl_vi_redoing && _rl_vi_last_motion != 'c') /* `cc' is special */
|
|
{
|
|
_rl_vimvcxt->motion = _rl_vi_last_motion;
|
|
r = rl_domove_motion_callback (_rl_vimvcxt);
|
|
}
|
|
else if (_rl_vi_redoing) /* handle redoing `cc' here */
|
|
{
|
|
_rl_vimvcxt->motion = _rl_vi_last_motion;
|
|
rl_mark = rl_end;
|
|
rl_beg_of_line (1, key);
|
|
RL_UNSETSTATE (RL_STATE_VIMOTION);
|
|
r = vidomove_dispatch (_rl_vimvcxt);
|
|
}
|
|
#if defined (READLINE_CALLBACKS)
|
|
else if (RL_ISSTATE (RL_STATE_CALLBACK))
|
|
{
|
|
RL_SETSTATE (RL_STATE_VIMOTION);
|
|
return (0);
|
|
}
|
|
#endif
|
|
else
|
|
r = rl_vi_domove (key, &c);
|
|
|
|
if (r < 0)
|
|
{
|
|
rl_ding ();
|
|
r = -1; /* normalize return value */
|
|
}
|
|
|
|
_rl_mvcxt_dispose (_rl_vimvcxt);
|
|
_rl_vimvcxt = 0;
|
|
|
|
return r;
|
|
}
|
|
|
|
static int
|
|
vi_yank_dispatch (_rl_vimotion_cxt *m)
|
|
{
|
|
/* These are the motion commands that do not require adjusting the
|
|
mark. */
|
|
if (((strchr (" l|h^0%bBFT`", m->motion) == 0) && (rl_point >= m->start)) &&
|
|
(rl_mark < rl_end))
|
|
INCREMENT_POS (rl_mark);
|
|
|
|
rl_begin_undo_group ();
|
|
rl_kill_text (rl_point, rl_mark);
|
|
rl_end_undo_group ();
|
|
rl_do_undo ();
|
|
rl_point = m->start;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_yank_to (int count, int key)
|
|
{
|
|
int c, r;
|
|
|
|
_rl_vimvcxt = _rl_mvcxt_alloc (VIM_YANK, key);
|
|
_rl_vimvcxt->start = rl_point;
|
|
|
|
rl_mark = rl_point;
|
|
if (_rl_uppercase_p (key))
|
|
{
|
|
_rl_vimvcxt->motion = '$';
|
|
r = rl_domove_motion_callback (_rl_vimvcxt);
|
|
}
|
|
else if (_rl_vi_redoing && _rl_vi_last_motion != 'y') /* `yy' is special */
|
|
{
|
|
_rl_vimvcxt->motion = _rl_vi_last_motion;
|
|
r = rl_domove_motion_callback (_rl_vimvcxt);
|
|
}
|
|
else if (_rl_vi_redoing) /* handle redoing `yy' here */
|
|
{
|
|
_rl_vimvcxt->motion = _rl_vi_last_motion;
|
|
rl_mark = rl_end;
|
|
rl_beg_of_line (1, key);
|
|
RL_UNSETSTATE (RL_STATE_VIMOTION);
|
|
r = vidomove_dispatch (_rl_vimvcxt);
|
|
}
|
|
#if defined (READLINE_CALLBACKS)
|
|
else if (RL_ISSTATE (RL_STATE_CALLBACK))
|
|
{
|
|
RL_SETSTATE (RL_STATE_VIMOTION);
|
|
return (0);
|
|
}
|
|
#endif
|
|
else
|
|
r = rl_vi_domove (key, &c);
|
|
|
|
if (r < 0)
|
|
{
|
|
rl_ding ();
|
|
r = -1;
|
|
}
|
|
|
|
_rl_mvcxt_dispose (_rl_vimvcxt);
|
|
_rl_vimvcxt = 0;
|
|
|
|
return r;
|
|
}
|
|
|
|
static int
|
|
vidomove_dispatch (_rl_vimotion_cxt *m)
|
|
{
|
|
int r;
|
|
|
|
switch (m->op)
|
|
{
|
|
case VIM_DELETE:
|
|
r = vi_delete_dispatch (m);
|
|
break;
|
|
case VIM_CHANGE:
|
|
r = vi_change_dispatch (m);
|
|
break;
|
|
case VIM_YANK:
|
|
r = vi_yank_dispatch (m);
|
|
break;
|
|
default:
|
|
_rl_errmsg ("vidomove_dispatch: unknown operator %d", m->op);
|
|
r = 1;
|
|
break;
|
|
}
|
|
|
|
RL_UNSETSTATE (RL_STATE_VIMOTION);
|
|
return r;
|
|
}
|
|
|
|
int
|
|
rl_vi_rubout (int count, int key)
|
|
{
|
|
int opoint;
|
|
|
|
if (count < 0)
|
|
return (rl_vi_delete (-count, key));
|
|
|
|
if (rl_point == 0)
|
|
{
|
|
rl_ding ();
|
|
return 1;
|
|
}
|
|
|
|
opoint = rl_point;
|
|
if (count > 1 && MB_CUR_MAX > 1 && rl_byte_oriented == 0)
|
|
rl_backward_char (count, key);
|
|
else if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
|
|
rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO);
|
|
else
|
|
rl_point -= count;
|
|
|
|
if (rl_point < 0)
|
|
rl_point = 0;
|
|
|
|
rl_kill_text (rl_point, opoint);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_delete (int count, int key)
|
|
{
|
|
int end;
|
|
|
|
if (count < 0)
|
|
return (rl_vi_rubout (-count, key));
|
|
|
|
if (rl_end == 0)
|
|
{
|
|
rl_ding ();
|
|
return 1;
|
|
}
|
|
|
|
if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
|
|
end = _rl_find_next_mbchar (rl_line_buffer, rl_point, count, MB_FIND_NONZERO);
|
|
else
|
|
end = rl_point + count;
|
|
|
|
if (end >= rl_end)
|
|
end = rl_end;
|
|
|
|
rl_kill_text (rl_point, end);
|
|
|
|
if (rl_point > 0 && rl_point == rl_end)
|
|
rl_backward_char (1, key);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* This does what Posix specifies vi-mode C-w to do: using whitespace and
|
|
punctuation characters as the word boundaries. */
|
|
|
|
#define vi_unix_word_boundary(c) (whitespace(c) || ispunct(c))
|
|
|
|
int
|
|
rl_vi_unix_word_rubout (int count, int key)
|
|
{
|
|
int orig_point;
|
|
|
|
if (rl_point == 0)
|
|
rl_ding ();
|
|
else
|
|
{
|
|
orig_point = rl_point;
|
|
if (count <= 0)
|
|
count = 1;
|
|
|
|
while (count--)
|
|
{
|
|
/* This isn't quite what ksh93 does but it seems to match what the
|
|
Posix description of sh specifies, with a few accommodations
|
|
for sequences of whitespace characters between words and at
|
|
the end of the line. */
|
|
|
|
/* Skip over whitespace at the end of the line as a special case */
|
|
if (rl_point > 0 && (rl_line_buffer[rl_point] == 0) &&
|
|
whitespace (rl_line_buffer[rl_point - 1]))
|
|
while (--rl_point > 0 && whitespace (rl_line_buffer[rl_point]))
|
|
;
|
|
|
|
/* If we're at the start of a word, move back to word boundary so we
|
|
move back to the `preceding' word */
|
|
if (rl_point > 0 && (vi_unix_word_boundary (rl_line_buffer[rl_point]) == 0) &&
|
|
vi_unix_word_boundary (rl_line_buffer[rl_point - 1]))
|
|
rl_point--;
|
|
|
|
/* If we are at a word boundary (whitespace/punct), move backward
|
|
past a sequence of word boundary characters. If we are at the
|
|
end of a word (non-word boundary), move back to a word boundary */
|
|
if (rl_point > 0 && vi_unix_word_boundary (rl_line_buffer[rl_point]))
|
|
while (rl_point && vi_unix_word_boundary (rl_line_buffer[rl_point - 1]))
|
|
rl_point--;
|
|
else if (rl_point > 0 && vi_unix_word_boundary (rl_line_buffer[rl_point]) == 0)
|
|
while (rl_point > 0 && (vi_unix_word_boundary (rl_line_buffer[rl_point - 1]) == 0))
|
|
_rl_vi_backup_point ();
|
|
}
|
|
|
|
rl_kill_text (orig_point, rl_point);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
rl_vi_back_to_indent (int count, int key)
|
|
{
|
|
rl_beg_of_line (1, key);
|
|
while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point]))
|
|
rl_point++;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_first_print (int count, int key)
|
|
{
|
|
return (rl_vi_back_to_indent (1, key));
|
|
}
|
|
|
|
static int _rl_cs_dir, _rl_cs_orig_dir;
|
|
|
|
#if defined (READLINE_CALLBACKS)
|
|
static int
|
|
_rl_vi_callback_char_search (_rl_callback_generic_arg *data)
|
|
{
|
|
int c;
|
|
#if defined (HANDLE_MULTIBYTE)
|
|
c = _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
|
|
#else
|
|
RL_SETSTATE(RL_STATE_MOREINPUT);
|
|
c = rl_read_key ();
|
|
RL_UNSETSTATE(RL_STATE_MOREINPUT);
|
|
#endif
|
|
|
|
if (c <= 0)
|
|
{
|
|
RL_UNSETSTATE (RL_STATE_CHARSEARCH);
|
|
return -1;
|
|
}
|
|
|
|
#if !defined (HANDLE_MULTIBYTE)
|
|
_rl_vi_last_search_char = c;
|
|
#endif
|
|
|
|
_rl_callback_func = 0;
|
|
_rl_want_redisplay = 1;
|
|
RL_UNSETSTATE (RL_STATE_CHARSEARCH);
|
|
|
|
#if defined (HANDLE_MULTIBYTE)
|
|
return (_rl_char_search_internal (data->count, _rl_cs_dir, _rl_vi_last_search_mbchar, _rl_vi_last_search_mblen));
|
|
#else
|
|
return (_rl_char_search_internal (data->count, _rl_cs_dir, _rl_vi_last_search_char));
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
int
|
|
rl_vi_char_search (int count, int key)
|
|
{
|
|
int c;
|
|
#if defined (HANDLE_MULTIBYTE)
|
|
static char *target;
|
|
static int tlen;
|
|
#else
|
|
static char target;
|
|
#endif
|
|
|
|
if (key == ';' || key == ',')
|
|
{
|
|
if (_rl_cs_orig_dir == 0)
|
|
return 1;
|
|
#if defined (HANDLE_MULTIBYTE)
|
|
if (_rl_vi_last_search_mblen == 0)
|
|
return 1;
|
|
#else
|
|
if (_rl_vi_last_search_char == 0)
|
|
return 1;
|
|
#endif
|
|
_rl_cs_dir = (key == ';') ? _rl_cs_orig_dir : -_rl_cs_orig_dir;
|
|
}
|
|
else
|
|
{
|
|
switch (key)
|
|
{
|
|
case 't':
|
|
_rl_cs_orig_dir = _rl_cs_dir = FTO;
|
|
break;
|
|
|
|
case 'T':
|
|
_rl_cs_orig_dir = _rl_cs_dir = BTO;
|
|
break;
|
|
|
|
case 'f':
|
|
_rl_cs_orig_dir = _rl_cs_dir = FFIND;
|
|
break;
|
|
|
|
case 'F':
|
|
_rl_cs_orig_dir = _rl_cs_dir = BFIND;
|
|
break;
|
|
}
|
|
|
|
if (_rl_vi_redoing)
|
|
{
|
|
/* set target and tlen below */
|
|
}
|
|
#if defined (READLINE_CALLBACKS)
|
|
else if (RL_ISSTATE (RL_STATE_CALLBACK))
|
|
{
|
|
_rl_callback_data = _rl_callback_data_alloc (count);
|
|
_rl_callback_data->i1 = _rl_cs_dir;
|
|
_rl_callback_data->i2 = key;
|
|
_rl_callback_func = _rl_vi_callback_char_search;
|
|
RL_SETSTATE (RL_STATE_CHARSEARCH);
|
|
return (0);
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
#if defined (HANDLE_MULTIBYTE)
|
|
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);
|
|
c = rl_read_key ();
|
|
RL_UNSETSTATE(RL_STATE_MOREINPUT);
|
|
if (c < 0)
|
|
return -1;
|
|
_rl_vi_last_search_char = c;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
#if defined (HANDLE_MULTIBYTE)
|
|
target = _rl_vi_last_search_mbchar;
|
|
tlen = _rl_vi_last_search_mblen;
|
|
#else
|
|
target = _rl_vi_last_search_char;
|
|
#endif
|
|
|
|
#if defined (HANDLE_MULTIBYTE)
|
|
return (_rl_char_search_internal (count, _rl_cs_dir, target, tlen));
|
|
#else
|
|
return (_rl_char_search_internal (count, _rl_cs_dir, target));
|
|
#endif
|
|
}
|
|
|
|
/* Match brackets */
|
|
int
|
|
rl_vi_match (int ignore, int key)
|
|
{
|
|
int count = 1, brack, pos, tmp, pre;
|
|
|
|
pos = rl_point;
|
|
if ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0)
|
|
{
|
|
if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
|
|
{
|
|
while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0)
|
|
{
|
|
pre = rl_point;
|
|
rl_forward_char (1, key);
|
|
if (pre == rl_point)
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0 &&
|
|
rl_point < rl_end - 1)
|
|
rl_forward_char (1, key);
|
|
|
|
if (brack <= 0)
|
|
{
|
|
rl_point = pos;
|
|
rl_ding ();
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
pos = rl_point;
|
|
|
|
if (brack < 0)
|
|
{
|
|
while (count)
|
|
{
|
|
tmp = pos;
|
|
if (MB_CUR_MAX == 1 || rl_byte_oriented)
|
|
pos--;
|
|
else
|
|
{
|
|
pos = _rl_find_prev_mbchar (rl_line_buffer, pos, MB_FIND_ANY);
|
|
if (tmp == pos)
|
|
pos--;
|
|
}
|
|
if (pos >= 0)
|
|
{
|
|
int b = rl_vi_bracktype (rl_line_buffer[pos]);
|
|
if (b == -brack)
|
|
count--;
|
|
else if (b == brack)
|
|
count++;
|
|
}
|
|
else
|
|
{
|
|
rl_ding ();
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{ /* brack > 0 */
|
|
while (count)
|
|
{
|
|
if (MB_CUR_MAX == 1 || rl_byte_oriented)
|
|
pos++;
|
|
else
|
|
pos = _rl_find_next_mbchar (rl_line_buffer, pos, 1, MB_FIND_ANY);
|
|
|
|
if (pos < rl_end)
|
|
{
|
|
int b = rl_vi_bracktype (rl_line_buffer[pos]);
|
|
if (b == -brack)
|
|
count--;
|
|
else if (b == brack)
|
|
count++;
|
|
}
|
|
else
|
|
{
|
|
rl_ding ();
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
rl_point = pos;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_bracktype (int c)
|
|
{
|
|
switch (c)
|
|
{
|
|
case '(': return 1;
|
|
case ')': return -1;
|
|
case '[': return 2;
|
|
case ']': return -2;
|
|
case '{': return 3;
|
|
case '}': return -3;
|
|
default: return 0;
|
|
}
|
|
}
|
|
|
|
static int
|
|
_rl_vi_change_char (int count, int c, char *mb)
|
|
{
|
|
int p;
|
|
|
|
if (c == '\033' || c == CTRL ('C'))
|
|
return -1;
|
|
|
|
rl_begin_undo_group ();
|
|
while (count-- && rl_point < rl_end)
|
|
{
|
|
p = rl_point;
|
|
rl_vi_delete (1, c);
|
|
if (rl_point < p) /* Did we retreat at EOL? */
|
|
_rl_vi_append_forward (c);
|
|
#if defined (HANDLE_MULTIBYTE)
|
|
if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
|
|
rl_insert_text (mb);
|
|
else
|
|
#endif
|
|
_rl_insert_char (1, c);
|
|
}
|
|
|
|
/* The cursor shall be left on the last character changed. */
|
|
rl_backward_char (1, c);
|
|
|
|
rl_end_undo_group ();
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
_rl_vi_callback_getchar (char *mb, int mlen)
|
|
{
|
|
int c;
|
|
|
|
RL_SETSTATE(RL_STATE_MOREINPUT);
|
|
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);
|
|
#endif
|
|
|
|
return c;
|
|
}
|
|
|
|
#if defined (READLINE_CALLBACKS)
|
|
static int
|
|
_rl_vi_callback_change_char (_rl_callback_generic_arg *data)
|
|
{
|
|
int c;
|
|
char mb[MB_LEN_MAX+1];
|
|
|
|
c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
|
|
#if defined (HANDLE_MULTIBYTE)
|
|
strncpy (_rl_vi_last_replacement, mb, MB_LEN_MAX);
|
|
#else
|
|
_rl_vi_last_replacement[0] = c;
|
|
#endif
|
|
_rl_vi_last_replacement[MB_LEN_MAX] = '\0'; /* XXX */
|
|
|
|
if (c < 0)
|
|
return -1;
|
|
|
|
_rl_callback_func = 0;
|
|
_rl_want_redisplay = 1;
|
|
|
|
return (_rl_vi_change_char (data->count, c, mb));
|
|
}
|
|
#endif
|
|
|
|
int
|
|
rl_vi_change_char (int count, int key)
|
|
{
|
|
int c;
|
|
char mb[MB_LEN_MAX+1];
|
|
|
|
if (_rl_vi_redoing)
|
|
{
|
|
strncpy (mb, _rl_vi_last_replacement, MB_LEN_MAX);
|
|
c = (unsigned char)_rl_vi_last_replacement[0]; /* XXX */
|
|
mb[MB_LEN_MAX] = '\0';
|
|
}
|
|
#if defined (READLINE_CALLBACKS)
|
|
else if (RL_ISSTATE (RL_STATE_CALLBACK))
|
|
{
|
|
_rl_callback_data = _rl_callback_data_alloc (count);
|
|
_rl_callback_func = _rl_vi_callback_change_char;
|
|
return (0);
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
|
|
#ifdef HANDLE_MULTIBYTE
|
|
strncpy (_rl_vi_last_replacement, mb, MB_LEN_MAX);
|
|
#else
|
|
_rl_vi_last_replacement[0] = c;
|
|
#endif
|
|
_rl_vi_last_replacement[MB_LEN_MAX] = '\0'; /* just in case */
|
|
}
|
|
|
|
if (c < 0)
|
|
return -1;
|
|
|
|
return (_rl_vi_change_char (count, c, mb));
|
|
}
|
|
|
|
int
|
|
rl_vi_subst (int count, int key)
|
|
{
|
|
/* If we are redoing, rl_vi_change_to will stuff the last motion char */
|
|
if (_rl_vi_redoing == 0)
|
|
rl_stuff_char ((key == 'S') ? 'c' : 'l'); /* `S' == `cc', `s' == `cl' */
|
|
|
|
return (rl_vi_change_to (count, 'c'));
|
|
}
|
|
|
|
int
|
|
rl_vi_overstrike (int count, int key)
|
|
{
|
|
if (_rl_vi_doing_insert == 0)
|
|
{
|
|
_rl_vi_doing_insert = 1;
|
|
rl_begin_undo_group ();
|
|
}
|
|
|
|
if (count > 0)
|
|
{
|
|
_rl_overwrite_char (count, key);
|
|
vi_replace_count += count;
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_overstrike_delete (int count, int key)
|
|
{
|
|
int i, s;
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
if (vi_replace_count == 0)
|
|
{
|
|
rl_ding ();
|
|
break;
|
|
}
|
|
s = rl_point;
|
|
|
|
if (rl_do_undo ())
|
|
vi_replace_count--;
|
|
|
|
if (rl_point == s)
|
|
rl_backward_char (1, key);
|
|
}
|
|
|
|
if (vi_replace_count == 0 && _rl_vi_doing_insert)
|
|
{
|
|
rl_end_undo_group ();
|
|
rl_do_undo ();
|
|
_rl_vi_doing_insert = 0;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
rl_vi_replace (int count, int key)
|
|
{
|
|
int i;
|
|
|
|
vi_replace_count = 0;
|
|
|
|
if (vi_replace_map == 0)
|
|
{
|
|
vi_replace_map = rl_make_bare_keymap ();
|
|
|
|
for (i = 0; i < ' '; i++)
|
|
if (vi_insertion_keymap[i].type == ISFUNC)
|
|
vi_replace_map[i].function = vi_insertion_keymap[i].function;
|
|
|
|
for (i = ' '; i < KEYMAP_SIZE; i++)
|
|
vi_replace_map[i].function = rl_vi_overstrike;
|
|
|
|
vi_replace_map[RUBOUT].function = rl_vi_overstrike_delete;
|
|
|
|
/* Make sure these are what we want. */
|
|
vi_replace_map[ESC].function = rl_vi_movement_mode;
|
|
vi_replace_map[RETURN].function = rl_newline;
|
|
vi_replace_map[NEWLINE].function = rl_newline;
|
|
|
|
/* If the normal vi insertion keymap has ^H bound to erase, do the
|
|
same here. Probably should remove the assignment to RUBOUT up
|
|
there, but I don't think it will make a difference in real life. */
|
|
if (vi_insertion_keymap[CTRL ('H')].type == ISFUNC &&
|
|
vi_insertion_keymap[CTRL ('H')].function == rl_rubout)
|
|
vi_replace_map[CTRL ('H')].function = rl_vi_overstrike_delete;
|
|
|
|
/* Make sure this is the value we need. */
|
|
vi_replace_map[ANYOTHERKEY].type = ISFUNC;
|
|
vi_replace_map[ANYOTHERKEY].function = (rl_command_func_t *)NULL;
|
|
}
|
|
|
|
rl_vi_start_inserting (key, 1, rl_arg_sign);
|
|
|
|
_rl_vi_last_key_before_insert = key;
|
|
_rl_keymap = vi_replace_map;
|
|
|
|
return (0);
|
|
}
|
|
|
|
#if 0
|
|
/* Try to complete the word we are standing on or the word that ends with
|
|
the previous character. A space matches everything. Word delimiters are
|
|
space and ;. */
|
|
int
|
|
rl_vi_possible_completions (void)
|
|
{
|
|
int save_pos = rl_point;
|
|
|
|
if (rl_line_buffer[rl_point] != ' ' && rl_line_buffer[rl_point] != ';')
|
|
{
|
|
while (rl_point < rl_end && rl_line_buffer[rl_point] != ' ' &&
|
|
rl_line_buffer[rl_point] != ';')
|
|
_rl_vi_advance_point ();
|
|
}
|
|
else if (rl_line_buffer[rl_point - 1] == ';')
|
|
{
|
|
rl_ding ();
|
|
return (0);
|
|
}
|
|
|
|
rl_possible_completions ();
|
|
rl_point = save_pos;
|
|
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
/* Functions to save and restore marks. */
|
|
static int
|
|
_rl_vi_set_mark (void)
|
|
{
|
|
int ch;
|
|
|
|
RL_SETSTATE(RL_STATE_MOREINPUT);
|
|
ch = rl_read_key ();
|
|
RL_UNSETSTATE(RL_STATE_MOREINPUT);
|
|
|
|
if (ch < 0 || ch < 'a' || ch > 'z') /* make test against 0 explicit */
|
|
{
|
|
rl_ding ();
|
|
return 1;
|
|
}
|
|
ch -= 'a';
|
|
vi_mark_chars[ch] = rl_point;
|
|
return 0;
|
|
}
|
|
|
|
#if defined (READLINE_CALLBACKS)
|
|
static int
|
|
_rl_vi_callback_set_mark (_rl_callback_generic_arg *data)
|
|
{
|
|
_rl_callback_func = 0;
|
|
_rl_want_redisplay = 1;
|
|
|
|
return (_rl_vi_set_mark ());
|
|
}
|
|
#endif
|
|
|
|
int
|
|
rl_vi_set_mark (int count, int key)
|
|
{
|
|
#if defined (READLINE_CALLBACKS)
|
|
if (RL_ISSTATE (RL_STATE_CALLBACK))
|
|
{
|
|
_rl_callback_data = 0;
|
|
_rl_callback_func = _rl_vi_callback_set_mark;
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
return (_rl_vi_set_mark ());
|
|
}
|
|
|
|
static int
|
|
_rl_vi_goto_mark (void)
|
|
{
|
|
int ch;
|
|
|
|
RL_SETSTATE(RL_STATE_MOREINPUT);
|
|
ch = rl_read_key ();
|
|
RL_UNSETSTATE(RL_STATE_MOREINPUT);
|
|
|
|
if (ch == '`')
|
|
{
|
|
rl_point = rl_mark;
|
|
return 0;
|
|
}
|
|
else if (ch < 0 || ch < 'a' || ch > 'z') /* make test against 0 explicit */
|
|
{
|
|
rl_ding ();
|
|
return 1;
|
|
}
|
|
|
|
ch -= 'a';
|
|
if (vi_mark_chars[ch] == -1)
|
|
{
|
|
rl_ding ();
|
|
return 1;
|
|
}
|
|
rl_point = vi_mark_chars[ch];
|
|
return 0;
|
|
}
|
|
|
|
#if defined (READLINE_CALLBACKS)
|
|
static int
|
|
_rl_vi_callback_goto_mark (_rl_callback_generic_arg *data)
|
|
{
|
|
_rl_callback_func = 0;
|
|
_rl_want_redisplay = 1;
|
|
|
|
return (_rl_vi_goto_mark ());
|
|
}
|
|
#endif
|
|
|
|
int
|
|
rl_vi_goto_mark (int count, int key)
|
|
{
|
|
#if defined (READLINE_CALLBACKS)
|
|
if (RL_ISSTATE (RL_STATE_CALLBACK))
|
|
{
|
|
_rl_callback_data = 0;
|
|
_rl_callback_func = _rl_vi_callback_goto_mark;
|
|
return (0);
|
|
}
|
|
#endif
|
|
|
|
return (_rl_vi_goto_mark ());
|
|
}
|
|
#endif /* VI_MODE */
|