diff options
Diffstat (limited to 'text.c')
| -rw-r--r-- | text.c | 85 |
1 files changed, 65 insertions, 20 deletions
@@ -1,6 +1,6 @@ /* text.c -- text handling commands for readline. */ -/* 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. @@ -71,6 +71,8 @@ static int _rl_char_search_callback PARAMS((_rl_callback_generic_arg *)); rl_insert_text. Text blocks larger than this are divided. */ #define TEXT_COUNT_MAX 1024 +int _rl_optimize_typeahead = 1; /* rl_insert tries to read typeahead */ + /* **************************************************************** */ /* */ /* Insert and Delete */ @@ -570,7 +572,7 @@ rl_refresh_line (ignore1, ignore2) _rl_clear_to_eol (0); /* arg of 0 means to not use spaces */ - rl_forced_update_display (); + rl_redraw_prompt_last_line (); rl_display_fixed = 1; return 0; @@ -608,7 +610,7 @@ rl_skip_csi_sequence (count, key) while (ch >= 0x20 && ch < 0x40); RL_UNSETSTATE (RL_STATE_MOREINPUT); - return 0; + return (ch < 0); } int @@ -620,6 +622,8 @@ rl_arrow_keys (count, c) RL_SETSTATE(RL_STATE_MOREINPUT); ch = rl_read_key (); RL_UNSETSTATE(RL_STATE_MOREINPUT); + if (ch < 0) + return (1); switch (_rl_to_upper (ch)) { @@ -890,8 +894,49 @@ int rl_insert (count, c) int count, c; { - return (rl_insert_mode == RL_IM_INSERT ? _rl_insert_char (count, c) - : _rl_overwrite_char (count, c)); + int r, n, x; + + r = (rl_insert_mode == RL_IM_INSERT) ? _rl_insert_char (count, c) : _rl_overwrite_char (count, c); + + /* XXX -- attempt to batch-insert pending input that maps to self-insert */ + x = 0; + n = (unsigned short)-2; + while (_rl_optimize_typeahead && + (RL_ISSTATE (RL_STATE_INPUTPENDING|RL_STATE_MACROINPUT) == 0) && + _rl_pushed_input_available () == 0 && + _rl_input_queued (0) && + (n = rl_read_key ()) > 0 && + _rl_keymap[(unsigned char)n].type == ISFUNC && + _rl_keymap[(unsigned char)n].function == rl_insert) + { + r = (rl_insert_mode == RL_IM_INSERT) ? _rl_insert_char (1, n) : _rl_overwrite_char (1, n); + /* _rl_insert_char keeps its own set of pending characters to compose a + complete multibyte character, and only returns 1 if it sees a character + that's part of a multibyte character but too short to complete one. We + can try to read another character in the hopes that we will get the + next one or just punt. Right now we try to read another character. + We don't want to call rl_insert_next if _rl_insert_char has already + stored the character in the pending_bytes array because that will + result in doubled input. */ + n = (unsigned short)-2; + x++; /* count of bytes of typeahead read, currently unused */ + if (r == 1) /* read partial multibyte character */ + continue; + if (rl_done || r != 0) + break; + } + + if (n != (unsigned short)-2) /* -2 = sentinel value for having inserted N */ + { + /* setting rl_pending_input inhibits setting rl_last_func so we do it + ourselves here */ + rl_last_func = rl_insert; + _rl_reset_argument (); + rl_executing_keyseq[rl_key_sequence_length = 0] = '\0'; + r = rl_execute_next (n); + } + + return r; } /* Insert the next typed character verbatim. */ @@ -906,7 +951,7 @@ _rl_insert_next (count) RL_UNSETSTATE(RL_STATE_MOREINPUT); if (c < 0) - return -1; + return 1; if (RL_ISSTATE (RL_STATE_MACRODEF)) _rl_add_macro_char (c); @@ -1066,7 +1111,7 @@ rl_rubout (count, key) if (!rl_point) { rl_ding (); - return -1; + return 1; } if (rl_insert_mode == RL_IM_OVERWRITE) @@ -1089,7 +1134,7 @@ _rl_rubout_char (count, key) if (rl_point == 0) { rl_ding (); - return -1; + return 1; } orig_point = rl_point; @@ -1103,7 +1148,7 @@ _rl_rubout_char (count, key) c = rl_line_buffer[--rl_point]; rl_delete_text (rl_point, orig_point); /* The erase-at-end-of-line hack is of questionable merit now. */ - if (rl_point == rl_end && ISPRINT (c) && _rl_last_c_pos) + if (rl_point == rl_end && ISPRINT ((unsigned char)c) && _rl_last_c_pos) { int l; l = rl_character_len (c, rl_point); @@ -1133,7 +1178,7 @@ rl_delete (count, key) if (rl_point == rl_end) { rl_ding (); - return -1; + return 1; } if (count > 1 || rl_explicit_arg) @@ -1303,7 +1348,7 @@ rl_change_case (count, op) if (op != UpCase && op != DownCase && op != CapCase) { rl_ding (); - return -1; + return 1; } if (count < 0) @@ -1337,7 +1382,7 @@ rl_change_case (count, op) } else nop = op; - if (MB_CUR_MAX == 1 || rl_byte_oriented || isascii (c)) + if (MB_CUR_MAX == 1 || rl_byte_oriented || isascii ((unsigned char)c)) { nc = (nop == UpCase) ? _rl_to_upper (c) : _rl_to_lower (c); rl_line_buffer[start] = nc; @@ -1403,7 +1448,7 @@ rl_transpose_words (count, key) { rl_ding (); rl_point = orig_point; - return -1; + return 1; } /* Get the text of the words. */ @@ -1456,7 +1501,7 @@ rl_transpose_chars (count, key) if (!rl_point || rl_end < 2) { rl_ding (); - return -1; + return 1; } rl_begin_undo_group (); @@ -1519,7 +1564,7 @@ _rl_char_search_internal (count, dir, schar) #endif if (dir == 0) - return -1; + return 1; pos = rl_point; inc = (dir < 0) ? -1 : 1; @@ -1528,7 +1573,7 @@ _rl_char_search_internal (count, dir, schar) if ((dir < 0 && pos <= 0) || (dir > 0 && pos >= rl_end)) { rl_ding (); - return -1; + return 1; } #if defined (HANDLE_MULTIBYTE) @@ -1583,7 +1628,7 @@ _rl_char_search (count, fdir, bdir) mb_len = _rl_read_mbchar (mbchar, MB_LEN_MAX); if (mb_len <= 0) - return -1; + return 1; if (count < 0) return (_rl_char_search_internal (-count, bdir, mbchar, mb_len)); @@ -1602,7 +1647,7 @@ _rl_char_search (count, fdir, bdir) RL_UNSETSTATE(RL_STATE_MOREINPUT); if (c < 0) - return -1; + return 1; if (count < 0) return (_rl_char_search_internal (-count, bdir, c)); @@ -1671,7 +1716,7 @@ _rl_set_mark_at_pos (position) int position; { if (position > rl_end) - return -1; + return 1; rl_mark = position; return 0; @@ -1696,7 +1741,7 @@ rl_exchange_point_and_mark (count, key) if (rl_mark == -1) { rl_ding (); - return -1; + return 1; } else SWAP (rl_point, rl_mark); |