894 lines
36 KiB
C
894 lines
36 KiB
C
/* Readline.h -- the names of functions callable from within readline. */
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/* Copyright (C) 1987-2011 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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#if !defined (_READLINE_H_)
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#define _READLINE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined (READLINE_LIBRARY)
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# include "rlstdc.h"
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# include "rltypedefs.h"
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# include "keymaps.h"
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# include "tilde.h"
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#else
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# include <readline/rlstdc.h>
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# include <readline/rltypedefs.h>
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# include <readline/keymaps.h>
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# include <readline/tilde.h>
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#endif
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/* Hex-encoded Readline version number. */
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#define RL_READLINE_VERSION 0x0602 /* Readline 6.2 */
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#define RL_VERSION_MAJOR 6
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#define RL_VERSION_MINOR 2
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/* Readline data structures. */
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/* Maintaining the state of undo. We remember individual deletes and inserts
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on a chain of things to do. */
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/* The actions that undo knows how to undo. Notice that UNDO_DELETE means
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to insert some text, and UNDO_INSERT means to delete some text. I.e.,
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the code tells undo what to undo, not how to undo it. */
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enum undo_code { UNDO_DELETE, UNDO_INSERT, UNDO_BEGIN, UNDO_END };
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/* What an element of THE_UNDO_LIST looks like. */
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typedef struct undo_list {
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struct undo_list *next;
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int start, end; /* Where the change took place. */
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char *text; /* The text to insert, if undoing a delete. */
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enum undo_code what; /* Delete, Insert, Begin, End. */
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} UNDO_LIST;
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/* The current undo list for RL_LINE_BUFFER. */
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extern UNDO_LIST *rl_undo_list;
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/* The data structure for mapping textual names to code addresses. */
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typedef struct _funmap {
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const char *name;
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rl_command_func_t *function;
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} FUNMAP;
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extern FUNMAP **funmap;
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/* **************************************************************** */
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/* */
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/* Functions available to bind to key sequences */
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/* */
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/* **************************************************************** */
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/* Bindable commands for numeric arguments. */
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extern int rl_digit_argument PARAMS((int, int));
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extern int rl_universal_argument PARAMS((int, int));
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/* Bindable commands for moving the cursor. */
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extern int rl_forward_byte PARAMS((int, int));
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extern int rl_forward_char PARAMS((int, int));
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extern int rl_forward PARAMS((int, int));
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extern int rl_backward_byte PARAMS((int, int));
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extern int rl_backward_char PARAMS((int, int));
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extern int rl_backward PARAMS((int, int));
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extern int rl_beg_of_line PARAMS((int, int));
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extern int rl_end_of_line PARAMS((int, int));
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extern int rl_forward_word PARAMS((int, int));
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extern int rl_backward_word PARAMS((int, int));
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extern int rl_refresh_line PARAMS((int, int));
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extern int rl_clear_screen PARAMS((int, int));
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extern int rl_skip_csi_sequence PARAMS((int, int));
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extern int rl_arrow_keys PARAMS((int, int));
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/* Bindable commands for inserting and deleting text. */
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extern int rl_insert PARAMS((int, int));
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extern int rl_quoted_insert PARAMS((int, int));
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extern int rl_tab_insert PARAMS((int, int));
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extern int rl_newline PARAMS((int, int));
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extern int rl_do_lowercase_version PARAMS((int, int));
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extern int rl_rubout PARAMS((int, int));
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extern int rl_delete PARAMS((int, int));
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extern int rl_rubout_or_delete PARAMS((int, int));
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extern int rl_delete_horizontal_space PARAMS((int, int));
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extern int rl_delete_or_show_completions PARAMS((int, int));
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extern int rl_insert_comment PARAMS((int, int));
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/* Bindable commands for changing case. */
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extern int rl_upcase_word PARAMS((int, int));
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extern int rl_downcase_word PARAMS((int, int));
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extern int rl_capitalize_word PARAMS((int, int));
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/* Bindable commands for transposing characters and words. */
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extern int rl_transpose_words PARAMS((int, int));
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extern int rl_transpose_chars PARAMS((int, int));
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/* Bindable commands for searching within a line. */
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extern int rl_char_search PARAMS((int, int));
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extern int rl_backward_char_search PARAMS((int, int));
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/* Bindable commands for readline's interface to the command history. */
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extern int rl_beginning_of_history PARAMS((int, int));
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extern int rl_end_of_history PARAMS((int, int));
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extern int rl_get_next_history PARAMS((int, int));
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extern int rl_get_previous_history PARAMS((int, int));
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/* Bindable commands for managing the mark and region. */
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extern int rl_set_mark PARAMS((int, int));
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extern int rl_exchange_point_and_mark PARAMS((int, int));
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/* Bindable commands to set the editing mode (emacs or vi). */
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extern int rl_vi_editing_mode PARAMS((int, int));
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extern int rl_emacs_editing_mode PARAMS((int, int));
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/* Bindable commands to change the insert mode (insert or overwrite) */
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extern int rl_overwrite_mode PARAMS((int, int));
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/* Bindable commands for managing key bindings. */
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extern int rl_re_read_init_file PARAMS((int, int));
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extern int rl_dump_functions PARAMS((int, int));
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extern int rl_dump_macros PARAMS((int, int));
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extern int rl_dump_variables PARAMS((int, int));
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/* Bindable commands for word completion. */
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extern int rl_complete PARAMS((int, int));
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extern int rl_possible_completions PARAMS((int, int));
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extern int rl_insert_completions PARAMS((int, int));
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extern int rl_old_menu_complete PARAMS((int, int));
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extern int rl_menu_complete PARAMS((int, int));
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extern int rl_backward_menu_complete PARAMS((int, int));
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/* Bindable commands for killing and yanking text, and managing the kill ring. */
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extern int rl_kill_word PARAMS((int, int));
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extern int rl_backward_kill_word PARAMS((int, int));
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extern int rl_kill_line PARAMS((int, int));
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extern int rl_backward_kill_line PARAMS((int, int));
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extern int rl_kill_full_line PARAMS((int, int));
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extern int rl_unix_word_rubout PARAMS((int, int));
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extern int rl_unix_filename_rubout PARAMS((int, int));
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extern int rl_unix_line_discard PARAMS((int, int));
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extern int rl_copy_region_to_kill PARAMS((int, int));
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extern int rl_kill_region PARAMS((int, int));
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extern int rl_copy_forward_word PARAMS((int, int));
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extern int rl_copy_backward_word PARAMS((int, int));
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extern int rl_yank PARAMS((int, int));
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extern int rl_yank_pop PARAMS((int, int));
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extern int rl_yank_nth_arg PARAMS((int, int));
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extern int rl_yank_last_arg PARAMS((int, int));
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/* Not available unless __CYGWIN__ is defined. */
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#ifdef __CYGWIN__
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extern int rl_paste_from_clipboard PARAMS((int, int));
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#endif
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/* Bindable commands for incremental searching. */
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extern int rl_reverse_search_history PARAMS((int, int));
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extern int rl_forward_search_history PARAMS((int, int));
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/* Bindable keyboard macro commands. */
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extern int rl_start_kbd_macro PARAMS((int, int));
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extern int rl_end_kbd_macro PARAMS((int, int));
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extern int rl_call_last_kbd_macro PARAMS((int, int));
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/* Bindable undo commands. */
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extern int rl_revert_line PARAMS((int, int));
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extern int rl_undo_command PARAMS((int, int));
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/* Bindable tilde expansion commands. */
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extern int rl_tilde_expand PARAMS((int, int));
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/* Bindable terminal control commands. */
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extern int rl_restart_output PARAMS((int, int));
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extern int rl_stop_output PARAMS((int, int));
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/* Miscellaneous bindable commands. */
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extern int rl_abort PARAMS((int, int));
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extern int rl_tty_status PARAMS((int, int));
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/* Bindable commands for incremental and non-incremental history searching. */
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extern int rl_history_search_forward PARAMS((int, int));
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extern int rl_history_search_backward PARAMS((int, int));
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extern int rl_noninc_forward_search PARAMS((int, int));
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extern int rl_noninc_reverse_search PARAMS((int, int));
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extern int rl_noninc_forward_search_again PARAMS((int, int));
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extern int rl_noninc_reverse_search_again PARAMS((int, int));
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/* Bindable command used when inserting a matching close character. */
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extern int rl_insert_close PARAMS((int, int));
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/* Not available unless READLINE_CALLBACKS is defined. */
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extern void rl_callback_handler_install PARAMS((const char *, rl_vcpfunc_t *));
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extern void rl_callback_read_char PARAMS((void));
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extern void rl_callback_handler_remove PARAMS((void));
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/* Things for vi mode. Not available unless readline is compiled -DVI_MODE. */
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/* VI-mode bindable commands. */
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extern int rl_vi_redo PARAMS((int, int));
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extern int rl_vi_undo PARAMS((int, int));
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extern int rl_vi_yank_arg PARAMS((int, int));
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extern int rl_vi_fetch_history PARAMS((int, int));
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extern int rl_vi_search_again PARAMS((int, int));
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extern int rl_vi_search PARAMS((int, int));
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extern int rl_vi_complete PARAMS((int, int));
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extern int rl_vi_tilde_expand PARAMS((int, int));
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extern int rl_vi_prev_word PARAMS((int, int));
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extern int rl_vi_next_word PARAMS((int, int));
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extern int rl_vi_end_word PARAMS((int, int));
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extern int rl_vi_insert_beg PARAMS((int, int));
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extern int rl_vi_append_mode PARAMS((int, int));
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extern int rl_vi_append_eol PARAMS((int, int));
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extern int rl_vi_eof_maybe PARAMS((int, int));
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extern int rl_vi_insertion_mode PARAMS((int, int));
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extern int rl_vi_insert_mode PARAMS((int, int));
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extern int rl_vi_movement_mode PARAMS((int, int));
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extern int rl_vi_arg_digit PARAMS((int, int));
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extern int rl_vi_change_case PARAMS((int, int));
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extern int rl_vi_put PARAMS((int, int));
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extern int rl_vi_column PARAMS((int, int));
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extern int rl_vi_delete_to PARAMS((int, int));
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extern int rl_vi_change_to PARAMS((int, int));
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extern int rl_vi_yank_to PARAMS((int, int));
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extern int rl_vi_rubout PARAMS((int, int));
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extern int rl_vi_delete PARAMS((int, int));
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extern int rl_vi_back_to_indent PARAMS((int, int));
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extern int rl_vi_first_print PARAMS((int, int));
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extern int rl_vi_char_search PARAMS((int, int));
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extern int rl_vi_match PARAMS((int, int));
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extern int rl_vi_change_char PARAMS((int, int));
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extern int rl_vi_subst PARAMS((int, int));
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extern int rl_vi_overstrike PARAMS((int, int));
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extern int rl_vi_overstrike_delete PARAMS((int, int));
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extern int rl_vi_replace PARAMS((int, int));
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extern int rl_vi_set_mark PARAMS((int, int));
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extern int rl_vi_goto_mark PARAMS((int, int));
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/* VI-mode utility functions. */
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extern int rl_vi_check PARAMS((void));
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extern int rl_vi_domove PARAMS((int, int *));
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extern int rl_vi_bracktype PARAMS((int));
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extern void rl_vi_start_inserting PARAMS((int, int, int));
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/* VI-mode pseudo-bindable commands, used as utility functions. */
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extern int rl_vi_fWord PARAMS((int, int));
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extern int rl_vi_bWord PARAMS((int, int));
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extern int rl_vi_eWord PARAMS((int, int));
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extern int rl_vi_fword PARAMS((int, int));
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extern int rl_vi_bword PARAMS((int, int));
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extern int rl_vi_eword PARAMS((int, int));
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/* **************************************************************** */
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/* */
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/* Well Published Functions */
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/* */
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/* **************************************************************** */
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/* Readline functions. */
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/* Read a line of input. Prompt with PROMPT. A NULL PROMPT means none. */
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extern char *readline PARAMS((const char *));
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extern int rl_set_prompt PARAMS((const char *));
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extern int rl_expand_prompt PARAMS((char *));
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extern int rl_initialize PARAMS((void));
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/* Undocumented; unused by readline */
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extern int rl_discard_argument PARAMS((void));
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/* Utility functions to bind keys to readline commands. */
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extern int rl_add_defun PARAMS((const char *, rl_command_func_t *, int));
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extern int rl_bind_key PARAMS((int, rl_command_func_t *));
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extern int rl_bind_key_in_map PARAMS((int, rl_command_func_t *, Keymap));
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extern int rl_unbind_key PARAMS((int));
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extern int rl_unbind_key_in_map PARAMS((int, Keymap));
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extern int rl_bind_key_if_unbound PARAMS((int, rl_command_func_t *));
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extern int rl_bind_key_if_unbound_in_map PARAMS((int, rl_command_func_t *, Keymap));
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extern int rl_unbind_function_in_map PARAMS((rl_command_func_t *, Keymap));
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extern int rl_unbind_command_in_map PARAMS((const char *, Keymap));
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extern int rl_bind_keyseq PARAMS((const char *, rl_command_func_t *));
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extern int rl_bind_keyseq_in_map PARAMS((const char *, rl_command_func_t *, Keymap));
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extern int rl_bind_keyseq_if_unbound PARAMS((const char *, rl_command_func_t *));
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extern int rl_bind_keyseq_if_unbound_in_map PARAMS((const char *, rl_command_func_t *, Keymap));
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extern int rl_generic_bind PARAMS((int, const char *, char *, Keymap));
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extern char *rl_variable_value PARAMS((const char *));
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extern int rl_variable_bind PARAMS((const char *, const char *));
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/* Backwards compatibility, use rl_bind_keyseq_in_map instead. */
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extern int rl_set_key PARAMS((const char *, rl_command_func_t *, Keymap));
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/* Backwards compatibility, use rl_generic_bind instead. */
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extern int rl_macro_bind PARAMS((const char *, const char *, Keymap));
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/* Undocumented in the texinfo manual; not really useful to programs. */
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extern int rl_translate_keyseq PARAMS((const char *, char *, int *));
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extern char *rl_untranslate_keyseq PARAMS((int));
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extern rl_command_func_t *rl_named_function PARAMS((const char *));
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extern rl_command_func_t *rl_function_of_keyseq PARAMS((const char *, Keymap, int *));
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extern void rl_list_funmap_names PARAMS((void));
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extern char **rl_invoking_keyseqs_in_map PARAMS((rl_command_func_t *, Keymap));
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extern char **rl_invoking_keyseqs PARAMS((rl_command_func_t *));
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extern void rl_function_dumper PARAMS((int));
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extern void rl_macro_dumper PARAMS((int));
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extern void rl_variable_dumper PARAMS((int));
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extern int rl_read_init_file PARAMS((const char *));
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extern int rl_parse_and_bind PARAMS((char *));
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/* Functions for manipulating keymaps. */
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extern Keymap rl_make_bare_keymap PARAMS((void));
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extern Keymap rl_copy_keymap PARAMS((Keymap));
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extern Keymap rl_make_keymap PARAMS((void));
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extern void rl_discard_keymap PARAMS((Keymap));
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extern Keymap rl_get_keymap_by_name PARAMS((const char *));
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extern char *rl_get_keymap_name PARAMS((Keymap));
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extern void rl_set_keymap PARAMS((Keymap));
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extern Keymap rl_get_keymap PARAMS((void));
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/* Undocumented; used internally only. */
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extern void rl_set_keymap_from_edit_mode PARAMS((void));
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extern char *rl_get_keymap_name_from_edit_mode PARAMS((void));
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/* Functions for manipulating the funmap, which maps command names to functions. */
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extern int rl_add_funmap_entry PARAMS((const char *, rl_command_func_t *));
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extern const char **rl_funmap_names PARAMS((void));
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/* Undocumented, only used internally -- there is only one funmap, and this
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function may be called only once. */
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extern void rl_initialize_funmap PARAMS((void));
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/* Utility functions for managing keyboard macros. */
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extern void rl_push_macro_input PARAMS((char *));
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/* Functions for undoing, from undo.c */
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extern void rl_add_undo PARAMS((enum undo_code, int, int, char *));
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extern void rl_free_undo_list PARAMS((void));
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extern int rl_do_undo PARAMS((void));
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extern int rl_begin_undo_group PARAMS((void));
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extern int rl_end_undo_group PARAMS((void));
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extern int rl_modifying PARAMS((int, int));
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/* Functions for redisplay. */
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extern void rl_redisplay PARAMS((void));
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extern int rl_on_new_line PARAMS((void));
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extern int rl_on_new_line_with_prompt PARAMS((void));
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extern int rl_forced_update_display PARAMS((void));
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extern int rl_clear_message PARAMS((void));
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extern int rl_reset_line_state PARAMS((void));
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extern int rl_crlf PARAMS((void));
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#if defined (USE_VARARGS) && defined (PREFER_STDARG)
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extern int rl_message (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
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#else
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extern int rl_message ();
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#endif
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extern int rl_show_char PARAMS((int));
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/* Undocumented in texinfo manual. */
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extern int rl_character_len PARAMS((int, int));
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/* Save and restore internal prompt redisplay information. */
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extern void rl_save_prompt PARAMS((void));
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extern void rl_restore_prompt PARAMS((void));
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/* Modifying text. */
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extern void rl_replace_line PARAMS((const char *, int));
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extern int rl_insert_text PARAMS((const char *));
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extern int rl_delete_text PARAMS((int, int));
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extern int rl_kill_text PARAMS((int, int));
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extern char *rl_copy_text PARAMS((int, int));
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/* Terminal and tty mode management. */
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extern void rl_prep_terminal PARAMS((int));
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extern void rl_deprep_terminal PARAMS((void));
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extern void rl_tty_set_default_bindings PARAMS((Keymap));
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extern void rl_tty_unset_default_bindings PARAMS((Keymap));
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extern int rl_reset_terminal PARAMS((const char *));
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extern void rl_resize_terminal PARAMS((void));
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extern void rl_set_screen_size PARAMS((int, int));
|
|
extern void rl_get_screen_size PARAMS((int *, int *));
|
|
extern void rl_reset_screen_size PARAMS((void));
|
|
|
|
extern char *rl_get_termcap PARAMS((const char *));
|
|
|
|
/* Functions for character input. */
|
|
extern int rl_stuff_char PARAMS((int));
|
|
extern int rl_execute_next PARAMS((int));
|
|
extern int rl_clear_pending_input PARAMS((void));
|
|
extern int rl_read_key PARAMS((void));
|
|
extern int rl_getc PARAMS((FILE *));
|
|
extern int rl_set_keyboard_input_timeout PARAMS((int));
|
|
|
|
/* `Public' utility functions . */
|
|
extern void rl_extend_line_buffer PARAMS((int));
|
|
extern int rl_ding PARAMS((void));
|
|
extern int rl_alphabetic PARAMS((int));
|
|
extern void rl_free PARAMS((void *));
|
|
|
|
/* Readline signal handling, from signals.c */
|
|
extern int rl_set_signals PARAMS((void));
|
|
extern int rl_clear_signals PARAMS((void));
|
|
extern void rl_cleanup_after_signal PARAMS((void));
|
|
extern void rl_reset_after_signal PARAMS((void));
|
|
extern void rl_free_line_state PARAMS((void));
|
|
|
|
extern void rl_echo_signal_char PARAMS((int));
|
|
|
|
extern int rl_set_paren_blink_timeout PARAMS((int));
|
|
|
|
/* Undocumented. */
|
|
extern int rl_maybe_save_line PARAMS((void));
|
|
extern int rl_maybe_unsave_line PARAMS((void));
|
|
extern int rl_maybe_replace_line PARAMS((void));
|
|
|
|
/* Completion functions. */
|
|
extern int rl_complete_internal PARAMS((int));
|
|
extern void rl_display_match_list PARAMS((char **, int, int));
|
|
|
|
extern char **rl_completion_matches PARAMS((const char *, rl_compentry_func_t *));
|
|
extern char *rl_username_completion_function PARAMS((const char *, int));
|
|
extern char *rl_filename_completion_function PARAMS((const char *, int));
|
|
|
|
extern int rl_completion_mode PARAMS((rl_command_func_t *));
|
|
|
|
#if 0
|
|
/* Backwards compatibility (compat.c). These will go away sometime. */
|
|
extern void free_undo_list PARAMS((void));
|
|
extern int maybe_save_line PARAMS((void));
|
|
extern int maybe_unsave_line PARAMS((void));
|
|
extern int maybe_replace_line PARAMS((void));
|
|
|
|
extern int ding PARAMS((void));
|
|
extern int alphabetic PARAMS((int));
|
|
extern int crlf PARAMS((void));
|
|
|
|
extern char **completion_matches PARAMS((char *, rl_compentry_func_t *));
|
|
extern char *username_completion_function PARAMS((const char *, int));
|
|
extern char *filename_completion_function PARAMS((const char *, int));
|
|
#endif
|
|
|
|
/* **************************************************************** */
|
|
/* */
|
|
/* Well Published Variables */
|
|
/* */
|
|
/* **************************************************************** */
|
|
|
|
/* The version of this incarnation of the readline library. */
|
|
extern const char *rl_library_version; /* e.g., "4.2" */
|
|
extern int rl_readline_version; /* e.g., 0x0402 */
|
|
|
|
/* True if this is real GNU readline. */
|
|
extern int rl_gnu_readline_p;
|
|
|
|
/* Flags word encapsulating the current readline state. */
|
|
extern int rl_readline_state;
|
|
|
|
/* Says which editing mode readline is currently using. 1 means emacs mode;
|
|
0 means vi mode. */
|
|
extern int rl_editing_mode;
|
|
|
|
/* Insert or overwrite mode for emacs mode. 1 means insert mode; 0 means
|
|
overwrite mode. Reset to insert mode on each input line. */
|
|
extern int rl_insert_mode;
|
|
|
|
/* The name of the calling program. You should initialize this to
|
|
whatever was in argv[0]. It is used when parsing conditionals. */
|
|
extern const char *rl_readline_name;
|
|
|
|
/* The prompt readline uses. This is set from the argument to
|
|
readline (), and should not be assigned to directly. */
|
|
extern char *rl_prompt;
|
|
|
|
/* The prompt string that is actually displayed by rl_redisplay. Public so
|
|
applications can more easily supply their own redisplay functions. */
|
|
extern char *rl_display_prompt;
|
|
|
|
/* The line buffer that is in use. */
|
|
extern char *rl_line_buffer;
|
|
|
|
/* The location of point, and end. */
|
|
extern int rl_point;
|
|
extern int rl_end;
|
|
|
|
/* The mark, or saved cursor position. */
|
|
extern int rl_mark;
|
|
|
|
/* Flag to indicate that readline has finished with the current input
|
|
line and should return it. */
|
|
extern int rl_done;
|
|
|
|
/* If set to a character value, that will be the next keystroke read. */
|
|
extern int rl_pending_input;
|
|
|
|
/* Non-zero if we called this function from _rl_dispatch(). It's present
|
|
so functions can find out whether they were called from a key binding
|
|
or directly from an application. */
|
|
extern int rl_dispatching;
|
|
|
|
/* Non-zero if the user typed a numeric argument before executing the
|
|
current function. */
|
|
extern int rl_explicit_arg;
|
|
|
|
/* The current value of the numeric argument specified by the user. */
|
|
extern int rl_numeric_arg;
|
|
|
|
/* The address of the last command function Readline executed. */
|
|
extern rl_command_func_t *rl_last_func;
|
|
|
|
/* The name of the terminal to use. */
|
|
extern const char *rl_terminal_name;
|
|
|
|
/* The input and output streams. */
|
|
extern FILE *rl_instream;
|
|
extern FILE *rl_outstream;
|
|
|
|
/* If non-zero, Readline gives values of LINES and COLUMNS from the environment
|
|
greater precedence than values fetched from the kernel when computing the
|
|
screen dimensions. */
|
|
extern int rl_prefer_env_winsize;
|
|
|
|
/* If non-zero, then this is the address of a function to call just
|
|
before readline_internal () prints the first prompt. */
|
|
extern rl_hook_func_t *rl_startup_hook;
|
|
|
|
/* If non-zero, this is the address of a function to call just before
|
|
readline_internal_setup () returns and readline_internal starts
|
|
reading input characters. */
|
|
extern rl_hook_func_t *rl_pre_input_hook;
|
|
|
|
/* The address of a function to call periodically while Readline is
|
|
awaiting character input, or NULL, for no event handling. */
|
|
extern rl_hook_func_t *rl_event_hook;
|
|
|
|
/* The address of the function to call to fetch a character from the current
|
|
Readline input stream */
|
|
extern rl_getc_func_t *rl_getc_function;
|
|
|
|
extern rl_voidfunc_t *rl_redisplay_function;
|
|
|
|
extern rl_vintfunc_t *rl_prep_term_function;
|
|
extern rl_voidfunc_t *rl_deprep_term_function;
|
|
|
|
/* Dispatch variables. */
|
|
extern Keymap rl_executing_keymap;
|
|
extern Keymap rl_binding_keymap;
|
|
|
|
/* Display variables. */
|
|
/* If non-zero, readline will erase the entire line, including any prompt,
|
|
if the only thing typed on an otherwise-blank line is something bound to
|
|
rl_newline. */
|
|
extern int rl_erase_empty_line;
|
|
|
|
/* If non-zero, the application has already printed the prompt (rl_prompt)
|
|
before calling readline, so readline should not output it the first time
|
|
redisplay is done. */
|
|
extern int rl_already_prompted;
|
|
|
|
/* A non-zero value means to read only this many characters rather than
|
|
up to a character bound to accept-line. */
|
|
extern int rl_num_chars_to_read;
|
|
|
|
/* The text of a currently-executing keyboard macro. */
|
|
extern char *rl_executing_macro;
|
|
|
|
/* Variables to control readline signal handling. */
|
|
/* If non-zero, readline will install its own signal handlers for
|
|
SIGINT, SIGTERM, SIGQUIT, SIGALRM, SIGTSTP, SIGTTIN, and SIGTTOU. */
|
|
extern int rl_catch_signals;
|
|
|
|
/* If non-zero, readline will install a signal handler for SIGWINCH
|
|
that also attempts to call any calling application's SIGWINCH signal
|
|
handler. Note that the terminal is not cleaned up before the
|
|
application's signal handler is called; use rl_cleanup_after_signal()
|
|
to do that. */
|
|
extern int rl_catch_sigwinch;
|
|
|
|
/* Completion variables. */
|
|
/* Pointer to the generator function for completion_matches ().
|
|
NULL means to use rl_filename_completion_function (), the default
|
|
filename completer. */
|
|
extern rl_compentry_func_t *rl_completion_entry_function;
|
|
|
|
/* Optional generator for menu completion. Default is
|
|
rl_completion_entry_function (rl_filename_completion_function). */
|
|
extern rl_compentry_func_t *rl_menu_completion_entry_function;
|
|
|
|
/* If rl_ignore_some_completions_function is non-NULL it is the address
|
|
of a function to call after all of the possible matches have been
|
|
generated, but before the actual completion is done to the input line.
|
|
The function is called with one argument; a NULL terminated array
|
|
of (char *). If your function removes any of the elements, they
|
|
must be free()'ed. */
|
|
extern rl_compignore_func_t *rl_ignore_some_completions_function;
|
|
|
|
/* Pointer to alternative function to create matches.
|
|
Function is called with TEXT, START, and END.
|
|
START and END are indices in RL_LINE_BUFFER saying what the boundaries
|
|
of TEXT are.
|
|
If this function exists and returns NULL then call the value of
|
|
rl_completion_entry_function to try to match, otherwise use the
|
|
array of strings returned. */
|
|
extern rl_completion_func_t *rl_attempted_completion_function;
|
|
|
|
/* The basic list of characters that signal a break between words for the
|
|
completer routine. The initial contents of this variable is what
|
|
breaks words in the shell, i.e. "n\"\\'`@$>". */
|
|
extern const char *rl_basic_word_break_characters;
|
|
|
|
/* The list of characters that signal a break between words for
|
|
rl_complete_internal. The default list is the contents of
|
|
rl_basic_word_break_characters. */
|
|
extern /*const*/ char *rl_completer_word_break_characters;
|
|
|
|
/* Hook function to allow an application to set the completion word
|
|
break characters before readline breaks up the line. Allows
|
|
position-dependent word break characters. */
|
|
extern rl_cpvfunc_t *rl_completion_word_break_hook;
|
|
|
|
/* List of characters which can be used to quote a substring of the line.
|
|
Completion occurs on the entire substring, and within the substring
|
|
rl_completer_word_break_characters are treated as any other character,
|
|
unless they also appear within this list. */
|
|
extern const char *rl_completer_quote_characters;
|
|
|
|
/* List of quote characters which cause a word break. */
|
|
extern const char *rl_basic_quote_characters;
|
|
|
|
/* List of characters that need to be quoted in filenames by the completer. */
|
|
extern const char *rl_filename_quote_characters;
|
|
|
|
/* List of characters that are word break characters, but should be left
|
|
in TEXT when it is passed to the completion function. The shell uses
|
|
this to help determine what kind of completing to do. */
|
|
extern const char *rl_special_prefixes;
|
|
|
|
/* If non-zero, then this is the address of a function to call when
|
|
completing on a directory name. The function is called with
|
|
the address of a string (the current directory name) as an arg. It
|
|
changes what is displayed when the possible completions are printed
|
|
or inserted. The directory completion hook should perform
|
|
any necessary dequoting. This function should return 1 if it modifies
|
|
the directory name pointer passed as an argument. If the directory
|
|
completion hook returns 0, it should not modify the directory name
|
|
pointer passed as an argument. */
|
|
extern rl_icppfunc_t *rl_directory_completion_hook;
|
|
|
|
/* If non-zero, this is the address of a function to call when completing
|
|
a directory name. This function takes the address of the directory name
|
|
to be modified as an argument. Unlike rl_directory_completion_hook, it
|
|
only modifies the directory name used in opendir(2), not what is displayed
|
|
when the possible completions are printed or inserted. If set, it takes
|
|
precedence over rl_directory_completion_hook. The directory rewrite
|
|
hook should perform any necessary dequoting. This function has the same
|
|
return value properties as the directory_completion_hook.
|
|
|
|
I'm not happy with how this works yet, so it's undocumented. I'm trying
|
|
it in bash to see how well it goes. */
|
|
extern rl_icppfunc_t *rl_directory_rewrite_hook;
|
|
|
|
/* If non-zero, this is the address of a function to call when reading
|
|
directory entries from the filesystem for completion and comparing
|
|
them to the partial word to be completed. The function should
|
|
either return its first argument (if no conversion takes place) or
|
|
newly-allocated memory. This can, for instance, convert filenames
|
|
between character sets for comparison against what's typed at the
|
|
keyboard. The returned value is what is added to the list of
|
|
matches. The second argument is the length of the filename to be
|
|
converted. */
|
|
extern rl_dequote_func_t *rl_filename_rewrite_hook;
|
|
|
|
/* Backwards compatibility with previous versions of readline. */
|
|
#define rl_symbolic_link_hook rl_directory_completion_hook
|
|
|
|
/* If non-zero, then this is the address of a function to call when
|
|
completing a word would normally display the list of possible matches.
|
|
This function is called instead of actually doing the display.
|
|
It takes three arguments: (char **matches, int num_matches, int max_length)
|
|
where MATCHES is the array of strings that matched, NUM_MATCHES is the
|
|
number of strings in that array, and MAX_LENGTH is the length of the
|
|
longest string in that array. */
|
|
extern rl_compdisp_func_t *rl_completion_display_matches_hook;
|
|
|
|
/* Non-zero means that the results of the matches are to be treated
|
|
as filenames. This is ALWAYS zero on entry, and can only be changed
|
|
within a completion entry finder function. */
|
|
extern int rl_filename_completion_desired;
|
|
|
|
/* Non-zero means that the results of the matches are to be quoted using
|
|
double quotes (or an application-specific quoting mechanism) if the
|
|
filename contains any characters in rl_word_break_chars. This is
|
|
ALWAYS non-zero on entry, and can only be changed within a completion
|
|
entry finder function. */
|
|
extern int rl_filename_quoting_desired;
|
|
|
|
/* Set to a function to quote a filename in an application-specific fashion.
|
|
Called with the text to quote, the type of match found (single or multiple)
|
|
and a pointer to the quoting character to be used, which the function can
|
|
reset if desired. */
|
|
extern rl_quote_func_t *rl_filename_quoting_function;
|
|
|
|
/* Function to call to remove quoting characters from a filename. Called
|
|
before completion is attempted, so the embedded quotes do not interfere
|
|
with matching names in the file system. */
|
|
extern rl_dequote_func_t *rl_filename_dequoting_function;
|
|
|
|
/* Function to call to decide whether or not a word break character is
|
|
quoted. If a character is quoted, it does not break words for the
|
|
completer. */
|
|
extern rl_linebuf_func_t *rl_char_is_quoted_p;
|
|
|
|
/* Non-zero means to suppress normal filename completion after the
|
|
user-specified completion function has been called. */
|
|
extern int rl_attempted_completion_over;
|
|
|
|
/* Set to a character describing the type of completion being attempted by
|
|
rl_complete_internal; available for use by application completion
|
|
functions. */
|
|
extern int rl_completion_type;
|
|
|
|
/* Set to the last key used to invoke one of the completion functions */
|
|
extern int rl_completion_invoking_key;
|
|
|
|
/* Up to this many items will be displayed in response to a
|
|
possible-completions call. After that, we ask the user if she
|
|
is sure she wants to see them all. The default value is 100. */
|
|
extern int rl_completion_query_items;
|
|
|
|
/* Character appended to completed words when at the end of the line. The
|
|
default is a space. Nothing is added if this is '\0'. */
|
|
extern int rl_completion_append_character;
|
|
|
|
/* If set to non-zero by an application completion function,
|
|
rl_completion_append_character will not be appended. */
|
|
extern int rl_completion_suppress_append;
|
|
|
|
/* Set to any quote character readline thinks it finds before any application
|
|
completion function is called. */
|
|
extern int rl_completion_quote_character;
|
|
|
|
/* Set to a non-zero value if readline found quoting anywhere in the word to
|
|
be completed; set before any application completion function is called. */
|
|
extern int rl_completion_found_quote;
|
|
|
|
/* If non-zero, the completion functions don't append any closing quote.
|
|
This is set to 0 by rl_complete_internal and may be changed by an
|
|
application-specific completion function. */
|
|
extern int rl_completion_suppress_quote;
|
|
|
|
/* If non-zero, readline will sort the completion matches. On by default. */
|
|
extern int rl_sort_completion_matches;
|
|
|
|
/* If non-zero, a slash will be appended to completed filenames that are
|
|
symbolic links to directory names, subject to the value of the
|
|
mark-directories variable (which is user-settable). This exists so
|
|
that application completion functions can override the user's preference
|
|
(set via the mark-symlinked-directories variable) if appropriate.
|
|
It's set to the value of _rl_complete_mark_symlink_dirs in
|
|
rl_complete_internal before any application-specific completion
|
|
function is called, so without that function doing anything, the user's
|
|
preferences are honored. */
|
|
extern int rl_completion_mark_symlink_dirs;
|
|
|
|
/* If non-zero, then disallow duplicates in the matches. */
|
|
extern int rl_ignore_completion_duplicates;
|
|
|
|
/* If this is non-zero, completion is (temporarily) inhibited, and the
|
|
completion character will be inserted as any other. */
|
|
extern int rl_inhibit_completion;
|
|
|
|
/* Input error; can be returned by (*rl_getc_function) if readline is reading
|
|
a top-level command (RL_ISSTATE (RL_STATE_READCMD)). */
|
|
#define READERR (-2)
|
|
|
|
/* Definitions available for use by readline clients. */
|
|
#define RL_PROMPT_START_IGNORE '\001'
|
|
#define RL_PROMPT_END_IGNORE '\002'
|
|
|
|
/* Possible values for do_replace argument to rl_filename_quoting_function,
|
|
called by rl_complete_internal. */
|
|
#define NO_MATCH 0
|
|
#define SINGLE_MATCH 1
|
|
#define MULT_MATCH 2
|
|
|
|
/* Possible state values for rl_readline_state */
|
|
#define RL_STATE_NONE 0x000000 /* no state; before first call */
|
|
|
|
#define RL_STATE_INITIALIZING 0x0000001 /* initializing */
|
|
#define RL_STATE_INITIALIZED 0x0000002 /* initialization done */
|
|
#define RL_STATE_TERMPREPPED 0x0000004 /* terminal is prepped */
|
|
#define RL_STATE_READCMD 0x0000008 /* reading a command key */
|
|
#define RL_STATE_METANEXT 0x0000010 /* reading input after ESC */
|
|
#define RL_STATE_DISPATCHING 0x0000020 /* dispatching to a command */
|
|
#define RL_STATE_MOREINPUT 0x0000040 /* reading more input in a command function */
|
|
#define RL_STATE_ISEARCH 0x0000080 /* doing incremental search */
|
|
#define RL_STATE_NSEARCH 0x0000100 /* doing non-inc search */
|
|
#define RL_STATE_SEARCH 0x0000200 /* doing a history search */
|
|
#define RL_STATE_NUMERICARG 0x0000400 /* reading numeric argument */
|
|
#define RL_STATE_MACROINPUT 0x0000800 /* getting input from a macro */
|
|
#define RL_STATE_MACRODEF 0x0001000 /* defining keyboard macro */
|
|
#define RL_STATE_OVERWRITE 0x0002000 /* overwrite mode */
|
|
#define RL_STATE_COMPLETING 0x0004000 /* doing completion */
|
|
#define RL_STATE_SIGHANDLER 0x0008000 /* in readline sighandler */
|
|
#define RL_STATE_UNDOING 0x0010000 /* doing an undo */
|
|
#define RL_STATE_INPUTPENDING 0x0020000 /* rl_execute_next called */
|
|
#define RL_STATE_TTYCSAVED 0x0040000 /* tty special chars saved */
|
|
#define RL_STATE_CALLBACK 0x0080000 /* using the callback interface */
|
|
#define RL_STATE_VIMOTION 0x0100000 /* reading vi motion arg */
|
|
#define RL_STATE_MULTIKEY 0x0200000 /* reading multiple-key command */
|
|
#define RL_STATE_VICMDONCE 0x0400000 /* entered vi command mode at least once */
|
|
#define RL_STATE_REDISPLAYING 0x0800000 /* updating terminal display */
|
|
|
|
#define RL_STATE_DONE 0x1000000 /* done; accepted line */
|
|
|
|
#define RL_SETSTATE(x) (rl_readline_state |= (x))
|
|
#define RL_UNSETSTATE(x) (rl_readline_state &= ~(x))
|
|
#define RL_ISSTATE(x) (rl_readline_state & (x))
|
|
|
|
struct readline_state {
|
|
/* line state */
|
|
int point;
|
|
int end;
|
|
int mark;
|
|
char *buffer;
|
|
int buflen;
|
|
UNDO_LIST *ul;
|
|
char *prompt;
|
|
|
|
/* global state */
|
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int rlstate;
|
|
int done;
|
|
Keymap kmap;
|
|
|
|
/* input state */
|
|
rl_command_func_t *lastfunc;
|
|
int insmode;
|
|
int edmode;
|
|
int kseqlen;
|
|
FILE *inf;
|
|
FILE *outf;
|
|
int pendingin;
|
|
char *macro;
|
|
|
|
/* signal state */
|
|
int catchsigs;
|
|
int catchsigwinch;
|
|
|
|
/* search state */
|
|
|
|
/* completion state */
|
|
|
|
/* options state */
|
|
|
|
/* reserved for future expansion, so the struct size doesn't change */
|
|
char reserved[64];
|
|
};
|
|
|
|
extern int rl_save_state PARAMS((struct readline_state *));
|
|
extern int rl_restore_state PARAMS((struct readline_state *));
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _READLINE_H_ */
|