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- /* Readline.h -- the names of functions callable from within readline. */
-
- /* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
-
- This file is part of the GNU Readline Library, a library for
- reading lines of text with interactive input and history editing.
-
- The GNU Readline Library is free software; you can redistribute it
- and/or modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 1, or
- (at your option) any later version.
-
- The GNU Readline Library is distributed in the hope that it will be
- useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- The GNU General Public License is often shipped with GNU software, and
- is generally kept in a file called COPYING or LICENSE. If you do not
- have a copy of the license, write to the Free Software Foundation,
- 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #if !defined (_READLINE_H_)
- #define _READLINE_H_
-
- #include "keymaps.h"
-
- /* The functions for manipulating the text of the line within readline.
- Most of these functions are bound to keys by default. */
- extern int
- rl_tilde_expand (),
- rl_beg_of_line (), rl_backward (), rl_delete (), rl_end_of_line (),
- rl_forward (), ding (), rl_backward (), rl_newline (), rl_kill_line (),
- rl_clear_screen (), rl_get_next_history (), rl_get_previous_history (),
- rl_quoted_insert (), rl_reverse_search_history (), rl_transpose_chars (),
- rl_unix_line_discard (), rl_quoted_insert (), rl_unix_word_rubout (),
- rl_yank (), rl_rubout (), rl_backward_word (), rl_kill_word (),
- rl_forward_word (), rl_tab_insert (), rl_yank_pop (), rl_yank_nth_arg (),
- rl_backward_kill_word (), rl_backward_kill_line (), rl_transpose_words (),
- rl_complete (), rl_possible_completions (), rl_insert_completions (),
- rl_do_lowercase_version (),
- rl_digit_argument (), rl_universal_argument (), rl_abort (),
- rl_undo_command (), rl_revert_line (), rl_beginning_of_history (),
- rl_end_of_history (), rl_forward_search_history (), rl_insert (),
- rl_upcase_word (), rl_downcase_word (), rl_capitalize_word (),
- rl_restart_output (), rl_re_read_init_file (), rl_dump_functions (),
- rl_delete_horizontal_space ();
-
- /* #define PAREN_MATCHING */
- #if defined (PAREN_MATCHING)
- extern int rl_insert_close ();
- #endif /* PAREN_MATCHING */
-
- /* These are *both* defined even when VI_MODE is not. */
- extern int rl_vi_editing_mode (), rl_emacs_editing_mode ();
-
- /* Non incremental history searching. */
- extern int
- rl_noninc_forward_search (), rl_noninc_reverse_search (),
- rl_noninc_forward_search_again (), rl_noninc_reverse_search_again ();
-
- #if defined (VI_MODE)
- /* Things for vi mode. */
- extern int
- rl_vi_redo (), rl_vi_tilde_expand (),
- rl_vi_movement_mode (), rl_vi_insertion_mode (), rl_vi_arg_digit (),
- rl_vi_prev_word (), rl_vi_next_word (), rl_vi_char_search (),
- rl_vi_eof_maybe (), rl_vi_append_mode (), rl_vi_put (),
- rl_vi_append_eol (), rl_vi_insert_beg (), rl_vi_delete (), rl_vi_comment (),
- rl_vi_first_print (), rl_vi_fword (), rl_vi_fWord (), rl_vi_bword (),
- rl_vi_bWord (), rl_vi_eword (), rl_vi_eWord (), rl_vi_end_word (),
- rl_vi_change_case (), rl_vi_match (), rl_vi_bracktype (),
- rl_vi_change_char (), rl_vi_yank_arg (), rl_vi_search (),
- rl_vi_search_again (), rl_vi_subst (), rl_vi_overstrike (),
- rl_vi_overstrike_delete (), rl_vi_replace(), rl_vi_column (),
- rl_vi_delete_to (), rl_vi_change_to (), rl_vi_yank_to (),
- rl_vi_complete (), rl_vi_fetch_history ();
- #endif /* VI_MODE */
-
- /* Keyboard macro commands. */
- extern int
- rl_start_kbd_macro (), rl_end_kbd_macro (), rl_call_last_kbd_macro ();
-
- extern int rl_arrow_keys(), rl_refresh_line ();
-
- /* Maintaining the state of undo. We remember individual deletes and inserts
- on a chain of things to do. */
-
- /* The actions that undo knows how to undo. Notice that UNDO_DELETE means
- to insert some text, and UNDO_INSERT means to delete some text. I.e.,
- the code tells undo what to undo, not how to undo it. */
- enum undo_code { UNDO_DELETE, UNDO_INSERT, UNDO_BEGIN, UNDO_END };
-
- /* What an element of THE_UNDO_LIST looks like. */
- typedef struct undo_list {
- struct undo_list *next;
- int start, end; /* Where the change took place. */
- char *text; /* The text to insert, if undoing a delete. */
- enum undo_code what; /* Delete, Insert, Begin, End. */
- } UNDO_LIST;
-
- /* The current undo list for RL_LINE_BUFFER. */
- extern UNDO_LIST *rl_undo_list;
-
- /* The data structure for mapping textual names to code addresses. */
- typedef struct {
- char *name;
- Function *function;
- } FUNMAP;
-
- extern FUNMAP **funmap;
-
- /* **************************************************************** */
- /* */
- /* Well Published Variables */
- /* */
- /* **************************************************************** */
-
- /* The name of the calling program. You should initialize this to
- whatever was in argv[0]. It is used when parsing conditionals. */
- extern char *rl_readline_name;
-
- /* The line buffer that is in use. */
- extern char *rl_line_buffer;
-
- /* The location of point, and end. */
- extern int rl_point, rl_end;
-
- /* The name of the terminal to use. */
- extern char *rl_terminal_name;
-
- /* The input and output streams. */
- extern FILE *rl_instream, *rl_outstream;
-
- /* 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 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 char *rl_completer_word_break_characters;
-
- /* List of characters which are used to quote a substring of the command
- line, upon which completion is to be performed for the entire substring.
- Within quoted substrings, rl_completer_word_break_characters are treated
- as normal characters, unless they also appear in this list. */
- extern char *rl_completer_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 char *rl_special_prefixes;
-
- /* Pointer to the generator function for completion_matches ().
- NULL means to use filename_entry_function (), the default filename
- completer. */
- extern Function *rl_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 Function *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 CPPFunction *rl_attempted_completion_function;
-
- /* If non-zero, then this is the address of a function to call just
- before readline_internal () prints the first prompt. */
- extern Function *rl_startup_hook;
-
- /* 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. */
- extern Function *rl_symbolic_link_hook;
-
- /* The address of a function to call periodically while Readline is
- awaiting character input, or NULL, for no event handling. */
- extern Function *rl_event_hook;
-
- /* Non-zero means that modified history lines are preceded
- with an asterisk. */
- extern int rl_show_star;
-
-
- /* **************************************************************** */
- /* */
- /* Tilde Variables That Can be Externally Set */
- /* */
- /* **************************************************************** */
-
- /* If non-null, this contains the address of a function to call if the
- standard meaning for expanding a tilde fails. The function is called
- with the text (sans tilde, as in "foo"), and returns a malloc()'ed string
- which is the expansion, or a NULL pointer if there is no expansion. */
- extern Function *tilde_expansion_failure_hook;
-
- /* When non-null, this is a NULL terminated array of strings which
- are duplicates for a tilde prefix. Bash uses this to expand
- `=~' and `:~'. */
- extern char **tilde_additional_prefixes;
-
- /* When non-null, this is a NULL terminated array of strings which match
- the end of a username, instead of just "/". Bash sets this to
- `/' and `:'. */
- extern char **tilde_additional_suffixes;
-
- /* **************************************************************** */
- /* */
- /* Well Published Functions */
- /* */
- /* **************************************************************** */
-
- /* Read a line of input. Prompt with PROMPT. A NULL PROMPT means none. */
- extern char *readline ();
-
- /* Return an array of strings which are the result of repeatadly calling
- FUNC with TEXT. */
- extern char **completion_matches ();
-
- /* rl_add_defun (char *name, Function *function, int key)
- Add NAME to the list of named functions. Make FUNCTION
- be the function that gets called.
- If KEY is not -1, then bind it. */
- extern int rl_add_defun ();
-
- #endif /* _READLINE_H_ */
-