404 lines
15 KiB
C
404 lines
15 KiB
C
/* Readline.h -- the names of functions callable from within readline. */
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/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
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This file is part of the GNU Readline Library, a library for
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reading lines of text with interactive input and history editing.
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The GNU Readline Library is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 1, or
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(at your option) any later version.
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The GNU Readline Library is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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The GNU General Public License is often shipped with GNU software, and
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is generally kept in a file called COPYING or LICENSE. If you do not
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have a copy of the license, write to the Free Software Foundation,
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675 Mass Ave, Cambridge, MA 02139, USA. */
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#if !defined (_READLINE_H_)
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#define _READLINE_H_
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#if defined (READLINE_LIBRARY)
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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/keymaps.h>
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# include <readline/tilde.h>
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#endif
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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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char *name;
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Function *function;
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} FUNMAP;
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extern FUNMAP **funmap;
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/* Functions available to bind to key sequences. */
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extern int
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rl_tilde_expand (), rl_set_mark (), rl_exchange_point_and_mark (),
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rl_beg_of_line (), rl_backward (), rl_delete (), rl_end_of_line (),
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rl_forward (), ding (), rl_newline (), rl_kill_line (),
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rl_copy_region_to_kill (), rl_kill_region (), rl_char_search (),
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rl_clear_screen (), rl_get_next_history (), rl_get_previous_history (),
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rl_quoted_insert (), rl_reverse_search_history (), rl_transpose_chars (),
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rl_unix_line_discard (), rl_unix_word_rubout (),
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rl_yank (), rl_rubout (), rl_backward_word (), rl_kill_word (),
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rl_forward_word (), rl_tab_insert (), rl_yank_pop (), rl_yank_nth_arg (),
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rl_backward_kill_word (), rl_backward_kill_line (), rl_transpose_words (),
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rl_complete (), rl_possible_completions (), rl_insert_completions (),
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rl_do_lowercase_version (), rl_kill_full_line (),
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rl_digit_argument (), rl_universal_argument (), rl_abort (),
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rl_undo_command (), rl_revert_line (), rl_beginning_of_history (),
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rl_end_of_history (), rl_forward_search_history (), rl_insert (),
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rl_upcase_word (), rl_downcase_word (), rl_capitalize_word (),
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rl_restart_output (), rl_re_read_init_file (),
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rl_dump_functions (), rl_dump_variables (), rl_dump_macros (),
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rl_delete_horizontal_space (), rl_history_search_forward (),
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rl_history_search_backward (), rl_tty_status (), rl_yank_last_arg (),
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rl_insert_comment (), rl_backward_char_search (),
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rl_copy_forward_word (), rl_copy_backward_word ();
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/* Not available unless readline is compiled -DPAREN_MATCHING. */
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extern int rl_insert_close ();
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/* Not available unless READLINE_CALLBACKS is defined. */
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extern void rl_callback_handler_install ();
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extern void rl_callback_read_char ();
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extern void rl_callback_handler_remove ();
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/* These are *both* defined even when VI_MODE is not. */
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extern int rl_vi_editing_mode (), rl_emacs_editing_mode ();
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/* Non incremental history searching. */
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extern int
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rl_noninc_forward_search (), rl_noninc_reverse_search (),
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rl_noninc_forward_search_again (), rl_noninc_reverse_search_again ();
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/* Things for vi mode. Not available unless readline is compiled -DVI_MODE. */
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extern int rl_vi_check ();
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extern int
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rl_vi_undo (), rl_vi_redo (), rl_vi_tilde_expand (),
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rl_vi_movement_mode (), rl_vi_insertion_mode (), rl_vi_arg_digit (),
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rl_vi_prev_word (), rl_vi_next_word (), rl_vi_char_search (),
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rl_vi_eof_maybe (), rl_vi_append_mode (), rl_vi_put (),
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rl_vi_append_eol (), rl_vi_insert_beg (), rl_vi_delete (),
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rl_vi_first_print (), rl_vi_fword (), rl_vi_fWord (), rl_vi_bword (),
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rl_vi_bWord (), rl_vi_eword (), rl_vi_eWord (), rl_vi_end_word (),
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rl_vi_change_case (), rl_vi_match (), rl_vi_bracktype (),
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rl_vi_change_char (), rl_vi_yank_arg (), rl_vi_search (),
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rl_vi_search_again (), rl_vi_subst (), rl_vi_overstrike (),
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rl_vi_overstrike_delete (), rl_vi_replace(), rl_vi_column (),
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rl_vi_delete_to (), rl_vi_change_to (), rl_vi_yank_to (),
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rl_vi_complete (), rl_vi_fetch_history (), rl_vi_set_mark (),
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rl_vi_goto_mark (), rl_vi_back_to_indent ();
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/* Keyboard macro commands. */
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extern int rl_start_kbd_macro (), rl_end_kbd_macro ();
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extern int rl_call_last_kbd_macro ();
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extern void rl_push_macro_input ();
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extern int rl_arrow_keys(), rl_refresh_line ();
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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 ();
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/* These functions are from bind.c. */
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/* rl_add_defun (char *name, Function *function, int key)
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Add NAME to the list of named functions. Make FUNCTION
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be the function that gets called.
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If KEY is not -1, then bind it. */
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extern int rl_add_defun ();
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extern char *rl_get_keymap_name ();
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extern int rl_bind_key (), rl_bind_key_in_map ();
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extern int rl_unbind_key (), rl_unbind_key_in_map ();
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extern int rl_set_key ();
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extern int rl_generic_bind ();
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extern int rl_parse_and_bind ();
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/* Backwards compatibility, use rl_generic_bind instead. */
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extern int rl_macro_bind (), rl_variable_bind ();
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extern int rl_read_init_file ();
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extern Function *rl_named_function (), *rl_function_of_keyseq ();
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extern char **rl_invoking_keyseqs (), **rl_invoking_keyseqs_in_map ();
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extern void rl_function_dumper ();
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extern void rl_variable_dumper ();
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extern void rl_macro_dumper ();
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extern void rl_list_funmap_names ();
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/* Undocumented in the texinfo manual; not really useful to programs. */
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extern int rl_translate_keyseq ();
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extern void rl_initialize_funmap ();
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/* Functions for undoing. */
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extern int rl_begin_undo_group (), rl_end_undo_group ();
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extern void rl_add_undo (), free_undo_list ();
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extern int rl_do_undo ();
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extern int rl_modifying ();
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/* Functions for redisplay. */
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extern void rl_redisplay ();
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extern int rl_forced_update_display ();
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extern int rl_clear_message ();
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extern int rl_reset_line_state ();
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extern int rl_on_new_line ();
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#if defined (__STDC__) && defined (USE_VARARGS) && defined (PREFER_STDARG)
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extern int rl_message (const char *, ...);
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#else
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extern int rl_message ();
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#endif
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/* Undocumented in texinfo manual. */
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extern int rl_character_len ();
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extern int rl_show_char ();
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extern int crlf ();
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/* Modifying text. */
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extern int rl_insert_text (), rl_delete_text ();
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extern int rl_kill_text ();
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extern char *rl_copy_text ();
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/* `Public' utility functions. */
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extern int rl_reset_terminal ();
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extern int rl_stuff_char ();
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extern int rl_read_key (), rl_getc ();
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extern int rl_initialize ();
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/* Undocumented. */
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extern int rl_expand_prompt ();
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extern int rl_set_signals (), rl_clear_signals ();
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extern int maybe_save_line (), maybe_unsave_line (), maybe_replace_line ();
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/* Completion functions. */
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/* These functions are from complete.c. */
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extern int rl_complete_internal ();
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/* Return an array of strings which are the result of repeatadly calling
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FUNC with TEXT. */
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extern char **completion_matches ();
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extern char *username_completion_function ();
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extern char *filename_completion_function ();
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/* **************************************************************** */
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/* */
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/* Well Published Variables */
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/* */
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/* **************************************************************** */
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/* The version of this incarnation of the readline library. */
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extern char *rl_library_version;
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/* The name of the calling program. You should initialize this to
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whatever was in argv[0]. It is used when parsing conditionals. */
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extern char *rl_readline_name;
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/* The prompt readline uses. This is set from the argument to
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readline (), and should not be assigned to directly. */
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extern char *rl_prompt;
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/* The line buffer that is in use. */
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extern char *rl_line_buffer;
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/* The location of point, and end. */
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extern int rl_point, rl_end;
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extern int rl_mark;
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extern int rl_done;
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extern int rl_pending_input;
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/* Non-zero if we called this function from _rl_dispatch(). It's present
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so functions can find out whether they were called from a key binding
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or directly from an application. */
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extern int rl_dispatching;
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/* The name of the terminal to use. */
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extern char *rl_terminal_name;
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/* The input and output streams. */
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extern FILE *rl_instream, *rl_outstream;
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/* If non-zero, then this is the address of a function to call just
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before readline_internal () prints the first prompt. */
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extern Function *rl_startup_hook;
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/* The address of a function to call periodically while Readline is
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awaiting character input, or NULL, for no event handling. */
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extern Function *rl_event_hook;
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extern Function *rl_getc_function;
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extern VFunction *rl_redisplay_function;
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extern VFunction *rl_prep_term_function;
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extern VFunction *rl_deprep_term_function;
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/* Dispatch variables. */
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extern Keymap rl_executing_keymap;
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extern Keymap rl_binding_keymap;
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/* Completion variables. */
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/* Pointer to the generator function for completion_matches ().
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NULL means to use filename_entry_function (), the default filename
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completer. */
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extern Function *rl_completion_entry_function;
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/* If rl_ignore_some_completions_function is non-NULL it is the address
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of a function to call after all of the possible matches have been
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generated, but before the actual completion is done to the input line.
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The function is called with one argument; a NULL terminated array
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of (char *). If your function removes any of the elements, they
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must be free()'ed. */
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extern Function *rl_ignore_some_completions_function;
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/* Pointer to alternative function to create matches.
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Function is called with TEXT, START, and END.
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START and END are indices in RL_LINE_BUFFER saying what the boundaries
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of TEXT are.
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If this function exists and returns NULL then call the value of
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rl_completion_entry_function to try to match, otherwise use the
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array of strings returned. */
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extern CPPFunction *rl_attempted_completion_function;
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/* The basic list of characters that signal a break between words for the
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completer routine. The initial contents of this variable is what
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breaks words in the shell, i.e. "n\"\\'`@$>". */
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extern char *rl_basic_word_break_characters;
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/* The list of characters that signal a break between words for
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rl_complete_internal. The default list is the contents of
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rl_basic_word_break_characters. */
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extern char *rl_completer_word_break_characters;
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/* List of characters which can be used to quote a substring of the line.
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Completion occurs on the entire substring, and within the substring
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rl_completer_word_break_characters are treated as any other character,
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unless they also appear within this list. */
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extern char *rl_completer_quote_characters;
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/* List of quote characters which cause a word break. */
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extern char *rl_basic_quote_characters;
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/* List of characters that need to be quoted in filenames by the completer. */
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extern char *rl_filename_quote_characters;
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/* List of characters that are word break characters, but should be left
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in TEXT when it is passed to the completion function. The shell uses
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this to help determine what kind of completing to do. */
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extern char *rl_special_prefixes;
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/* If non-zero, then this is the address of a function to call when
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completing on a directory name. The function is called with
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the address of a string (the current directory name) as an arg. */
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extern Function *rl_directory_completion_hook;
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/* Backwards compatibility with previous versions of readline. */
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#define rl_symbolic_link_hook rl_directory_completion_hook
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/* Non-zero means that the results of the matches are to be treated
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as filenames. This is ALWAYS zero on entry, and can only be changed
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within a completion entry finder function. */
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extern int rl_filename_completion_desired;
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/* Non-zero means that the results of the matches are to be quoted using
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double quotes (or an application-specific quoting mechanism) if the
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filename contains any characters in rl_word_break_chars. This is
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ALWAYS non-zero on entry, and can only be changed within a completion
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entry finder function. */
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extern int rl_filename_quoting_desired;
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/* Set to a function to quote a filename in an application-specific fashion.
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Called with the text to quote, the type of match found (single or multiple)
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and a pointer to the quoting character to be used, which the function can
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reset if desired. */
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extern CPFunction *rl_filename_quoting_function;
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/* Function to call to remove quoting characters from a filename. Called
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before completion is attempted, so the embedded quotes do not interfere
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with matching names in the file system. */
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extern CPFunction *rl_filename_dequoting_function;
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/* Function to call to decide whether or not a word break character is
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quoted. If a character is quoted, it does not break words for the
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completer. */
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extern Function *rl_char_is_quoted_p;
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/* Non-zero means to suppress normal filename completion after the
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user-specified completion function has been called. */
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extern int rl_attempted_completion_over;
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/* Set to a character describing the type of completion being attempted by
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rl_complete_internal; available for use by application completion
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functions. */
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extern int rl_completion_type;
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/* Character appended to completed words when at the end of the line. The
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default is a space. Nothing is added if this is '\0'. */
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extern int rl_completion_append_character;
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/* Up to this many items will be displayed in response to a
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possible-completions call. After that, we ask the user if she
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is sure she wants to see them all. The default value is 100. */
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extern int rl_completion_query_items;
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/* If non-zero, then disallow duplicates in the matches. */
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extern int rl_ignore_completion_duplicates;
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/* If this is non-zero, completion is (temporarily) inhibited, and the
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completion character will be inserted as any other. */
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extern int rl_inhibit_completion;
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/* Definitions available for use by readline clients. */
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#define RL_PROMPT_START_IGNORE '\001'
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#define RL_PROMPT_END_IGNORE '\002'
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/* Possible values for do_replace argument to rl_filename_quoting_function,
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called by rl_complete_internal. */
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#define NO_MATCH 0
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#define SINGLE_MATCH 1
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#define MULT_MATCH 2
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#if !defined (savestring)
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#define savestring rl_savestring
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extern char *savestring (); /* XXX backwards compatibility */
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#endif
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#endif /* _READLINE_H_ */
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