diff options
Diffstat (limited to 'readline/vi_mode.c')
| -rw-r--r-- | readline/vi_mode.c | 291 |
1 files changed, 248 insertions, 43 deletions
diff --git a/readline/vi_mode.c b/readline/vi_mode.c index a3c35786c36..56d2e72fb7f 100644 --- a/readline/vi_mode.c +++ b/readline/vi_mode.c @@ -1,7 +1,7 @@ /* vi_mode.c -- A vi emulation mode for Bash. Derived from code written by Jeff Sparkes (jsparkes@bnr.ca). */ -/* Copyright (C) 1987-2010 Free Software Foundation, Inc. +/* Copyright (C) 1987-2016 Free Software Foundation, Inc. This file is part of the GNU Readline Library (Readline), a library for reading lines of text with interactive input and history editing. @@ -67,6 +67,9 @@ int _rl_vi_last_command = 'i'; /* default `.' puts you in insert mode */ _rl_vimotion_cxt *_rl_vimvcxt = 0; +/* Non-zero indicates we are redoing a vi-mode command with `.' */ +int _rl_vi_redoing; + /* Non-zero means enter insertion mode. */ static int _rl_vi_doing_insert; @@ -100,17 +103,19 @@ static int _rl_vi_last_replacement; static int _rl_vi_last_key_before_insert; -static int vi_redoing; - /* Text modification commands. These are the `redoable' commands. */ static const char * const vi_textmod = "_*\\AaIiCcDdPpYyRrSsXx~"; /* Arrays for the saved marks. */ static int vi_mark_chars['z' - 'a' + 1]; +static void _rl_vi_replace_insert PARAMS((int)); +static void _rl_vi_save_replace PARAMS((void)); static void _rl_vi_stuff_insert PARAMS((int)); static void _rl_vi_save_insert PARAMS((UNDO_LIST *)); +static void vi_save_insert_buffer PARAMS ((int, int)); + static void _rl_vi_backup PARAMS((void)); static int _rl_vi_arg_dispatch PARAMS((int)); @@ -188,6 +193,29 @@ _rl_vi_textmod_command (c) return (member (c, vi_textmod)); } +int +_rl_vi_motion_command (c) + int c; +{ + return (member (c, vi_motion)); +} + +static void +_rl_vi_replace_insert (count) + int count; +{ + int nchars; + + nchars = strlen (vi_insert_buffer); + + rl_begin_undo_group (); + while (count--) + /* nchars-1 to compensate for _rl_replace_text using `end+1' in call + to rl_delete_text */ + _rl_replace_text (vi_insert_buffer, rl_point, rl_point+nchars-1); + rl_end_undo_group (); +} + static void _rl_vi_stuff_insert (count) int count; @@ -207,14 +235,14 @@ rl_vi_redo (count, c) { int r; - if (!rl_explicit_arg) + if (rl_explicit_arg == 0) { rl_numeric_arg = _rl_vi_last_repeat; rl_arg_sign = _rl_vi_last_arg_sign; } r = 0; - vi_redoing = 1; + _rl_vi_redoing = 1; /* If we're redoing an insert with `i', stuff in the inserted text and do not go into insertion mode. */ if (_rl_vi_last_command == 'i' && vi_insert_buffer && *vi_insert_buffer) @@ -224,6 +252,13 @@ rl_vi_redo (count, c) if (rl_point > 0) _rl_vi_backup (); } + else if (_rl_vi_last_command == 'R' && vi_insert_buffer && *vi_insert_buffer) + { + _rl_vi_replace_insert (count); + /* And back up point over the last character inserted. */ + if (rl_point > 0) + _rl_vi_backup (); + } /* Ditto for redoing an insert with `I', but move to the beginning of the line like the `I' command does. */ else if (_rl_vi_last_command == 'I' && vi_insert_buffer && *vi_insert_buffer) @@ -253,7 +288,8 @@ rl_vi_redo (count, c) } else r = _rl_dispatch (_rl_vi_last_command, _rl_keymap); - vi_redoing = 0; + + _rl_vi_redoing = 0; return (r); } @@ -437,7 +473,7 @@ rl_vi_end_word (count, key) if (count < 0) { rl_ding (); - return -1; + return 1; } if (_rl_uppercase_p (key)) @@ -679,6 +715,8 @@ rl_vi_insertion_mode (count, key) { _rl_keymap = vi_insertion_keymap; _rl_vi_last_key_before_insert = key; + if (_rl_show_mode_in_prompt) + _rl_reset_prompt (); return (0); } @@ -691,6 +729,43 @@ rl_vi_insert_mode (count, key) } static void +vi_save_insert_buffer (start, len) + int start, 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 () +{ + 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 (up) UNDO_LIST *up; { @@ -706,13 +781,8 @@ _rl_vi_save_insert (up) start = up->start; end = up->end; len = end - start + 1; - 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'; + + vi_save_insert_buffer (start, len); } void @@ -728,7 +798,10 @@ _rl_vi_done_inserting () on absolute indices into the line which may change (though they probably will not). */ _rl_vi_doing_insert = 0; - _rl_vi_save_insert (rl_undo_list->next); + 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 @@ -762,6 +835,9 @@ rl_vi_movement_mode (count, key) 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); } @@ -1022,28 +1098,55 @@ static int rl_domove_motion_callback (m) _rl_vimotion_cxt *m; { - int c, save, r; - int old_end; + 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. */ - old_end = rl_end; + 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); - /* Remove the blank that we added. */ - rl_end = old_end; +#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 (c, m) + 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) - return (-1); + { + 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 @@ -1177,8 +1280,8 @@ _rl_vi_domove_callback (m) int c, r; m->motion = c = rl_vi_domove_getchar (m); - /* XXX - what to do if this returns -1? Should we return 1 for eof to - callback code? */ + if (c < 0) + return 1; /* EOF */ r = rl_domove_read_callback (m); return ((r == 0) ? r : 1); /* normalize return values */ @@ -1234,11 +1337,19 @@ rl_vi_delete_to (count, key) _rl_vimvcxt->motion = '$'; r = rl_domove_motion_callback (_rl_vimvcxt); } - else if (vi_redoing) + else if (_rl_vi_redoing && _rl_vi_last_motion != 'd') /* `dd' is special */ { _rl_vimvcxt->motion = _rl_vi_last_motion; r = rl_domove_motion_callback (_rl_vimvcxt); } + else if (_rl_vi_redoing) /* handle redoing `dd' here */ + { + _rl_vimvcxt->motion = _rl_vi_last_motion; + rl_mark = rl_end; + rl_beg_of_line (1, key); + RL_UNSETSTATE (RL_STATE_VIMOTION); + r = vidomove_dispatch (_rl_vimvcxt); + } #if defined (READLINE_CALLBACKS) else if (RL_ISSTATE (RL_STATE_CALLBACK)) { @@ -1276,7 +1387,7 @@ vi_change_dispatch (m) if ((_rl_to_upper (m->motion) == 'W') && rl_point < m->start) rl_point = m->start; - if (vi_redoing) + if (_rl_vi_redoing) { if (vi_insert_buffer && *vi_insert_buffer) rl_begin_undo_group (); @@ -1316,11 +1427,19 @@ rl_vi_change_to (count, key) _rl_vimvcxt->motion = '$'; r = rl_domove_motion_callback (_rl_vimvcxt); } - else if (vi_redoing) + 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)) { @@ -1377,6 +1496,19 @@ rl_vi_yank_to (count, 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)) { @@ -1438,7 +1570,7 @@ rl_vi_rubout (count, key) if (rl_point == 0) { rl_ding (); - return -1; + return 1; } opoint = rl_point; @@ -1469,7 +1601,7 @@ rl_vi_delete (count, key) if (rl_end == 0) { rl_ding (); - return -1; + return 1; } if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) @@ -1488,6 +1620,62 @@ rl_vi_delete (count, 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 (count, key) + int count, 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 && (vi_unix_word_boundary (rl_line_buffer[rl_point - 1]) == 0)) + rl_point--; + } + + rl_kill_text (orig_point, rl_point); + } + + return 0; +} + + int rl_vi_back_to_indent (count, key) int count, key; @@ -1522,7 +1710,10 @@ _rl_vi_callback_char_search (data) #endif if (c <= 0) - return -1; + { + RL_UNSETSTATE (RL_STATE_CHARSEARCH); + return -1; + } #if !defined (HANDLE_MULTIBYTE) _rl_vi_last_search_char = c; @@ -1530,6 +1721,7 @@ _rl_vi_callback_char_search (data) _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)); @@ -1554,13 +1746,13 @@ rl_vi_char_search (count, key) if (key == ';' || key == ',') { if (_rl_cs_orig_dir == 0) - return -1; + return 1; #if defined (HANDLE_MULTIBYTE) if (_rl_vi_last_search_mblen == 0) - return -1; + return 1; #else if (_rl_vi_last_search_char == 0) - return -1; + return 1; #endif _rl_cs_dir = (key == ';') ? _rl_cs_orig_dir : -_rl_cs_orig_dir; } @@ -1585,7 +1777,7 @@ rl_vi_char_search (count, key) break; } - if (vi_redoing) + if (_rl_vi_redoing) { /* set target and tlen below */ } @@ -1594,7 +1786,9 @@ rl_vi_char_search (count, key) { _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 @@ -1659,7 +1853,7 @@ rl_vi_match (ignore, key) { rl_point = pos; rl_ding (); - return -1; + return 1; } } @@ -1689,7 +1883,7 @@ rl_vi_match (ignore, key) else { rl_ding (); - return -1; + return 1; } } } @@ -1713,7 +1907,7 @@ rl_vi_match (ignore, key) else { rl_ding (); - return -1; + return 1; } } } @@ -1819,7 +2013,7 @@ rl_vi_change_char (count, key) int c; char mb[MB_LEN_MAX]; - if (vi_redoing) + if (_rl_vi_redoing) { c = _rl_vi_last_replacement; mb[0] = c; @@ -1847,7 +2041,7 @@ rl_vi_subst (count, key) int count, key; { /* If we are redoing, rl_vi_change_to will stuff the last motion char */ - if (vi_redoing == 0) + if (_rl_vi_redoing == 0) rl_stuff_char ((key == 'S') ? 'c' : 'l'); /* `S' == `cc', `s' == `cl' */ return (rl_vi_change_to (count, 'c')); @@ -1911,14 +2105,20 @@ rl_vi_replace (count, key) vi_replace_count = 0; - if (!vi_replace_map) + 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; @@ -1931,7 +2131,12 @@ rl_vi_replace (count, key) vi_replace_map[CTRL ('H')].function = rl_vi_overstrike_delete; } + + rl_vi_start_inserting (key, 1, rl_arg_sign); + + _rl_vi_last_key_before_insert = key; _rl_keymap = vi_replace_map; + return (0); } @@ -1976,7 +2181,7 @@ _rl_vi_set_mark () if (ch < 0 || ch < 'a' || ch > 'z') /* make test against 0 explicit */ { rl_ding (); - return -1; + return 1; } ch -= 'a'; vi_mark_chars[ch] = rl_point; @@ -2028,14 +2233,14 @@ _rl_vi_goto_mark () else if (ch < 0 || ch < 'a' || ch > 'z') /* make test against 0 explicit */ { rl_ding (); - return -1; + return 1; } ch -= 'a'; if (vi_mark_chars[ch] == -1) { rl_ding (); - return -1; + return 1; } rl_point = vi_mark_chars[ch]; return 0; |