200 lines
8 KiB
C
200 lines
8 KiB
C
/* Readline.h -- the names of functions callable from within readline. */
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#include "sysdep.h"
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#if !defined (_READLINE_H_)
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#define _READLINE_H_
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#include "keymaps.h"
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#if !defined (__FUNCTION_DEF)
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typedef int Function ();
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#define __FUNCTION_DEF
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#endif /* __FUNCTION_DEF */
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/* The functions for manipulating the text of the line within readline.
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Most of these functions are bound to keys by default. */
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extern int
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rl_beg_of_line (), rl_backward (), rl_delete (), rl_end_of_line (),
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rl_forward (), ding (), rl_backward (), rl_newline (), rl_kill_line (),
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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_quoted_insert (), 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_do_lowercase_version (),
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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 (), rl_dump_functions ();
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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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#if defined (VI_MODE)
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/* Things for vi mode. */
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extern int
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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 (), rl_vi_comment (),
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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_dosearch (), rl_vi_subst (),
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rl_vi_overstrike (), rl_vi_overstrike_delete (), rl_vi_replace(),
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rl_vi_column (), rl_vi_delete_to (), rl_vi_change_to (), rl_vi_yank_to (),
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rl_vi_complete (), rl_vi_fetch_history ();
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#endif /* VI_MODE */
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/* Keyboard macro commands. */
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extern int
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rl_start_kbd_macro (), rl_end_kbd_macro (), rl_call_last_kbd_macro ();
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extern int rl_arrow_keys(), rl_refresh_line ();
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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 {
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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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/* **************************************************************** */
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/* */
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/* Well Published Variables */
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/* */
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/* **************************************************************** */
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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 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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/* 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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/* 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 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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/* 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 Function *rl_attempted_completion_function;
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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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/* 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_symbolic_link_hook;
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/* Non-zero means that modified history lines are preceded
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with an asterisk. */
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extern int rl_show_star;
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/* **************************************************************** */
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/* */
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/* Tilde Variables That Can be Externally Set */
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/* */
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/* **************************************************************** */
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/* If non-null, this contains the address of a function to call if the
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standard meaning for expanding a tilde fails. The function is called
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with the text (sans tilde, as in "foo"), and returns a malloc()'ed string
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which is the expansion, or a NULL pointer if there is no expansion. */
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extern Function *tilde_expansion_failure_hook;
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/* When non-null, this is a NULL terminated array of strings which
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are duplicates for a tilde prefix. Bash uses this to expand
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`=~' and `:~'. */
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extern char **tilde_additional_prefixes;
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/* When non-null, this is a NULL terminated array of strings which match
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the end of a username, instead of just "/". Bash sets this to
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`/' and `:'. */
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extern char **tilde_additional_suffixes;
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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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/* Read a line of input. Prompt with PROMPT. A NULL PROMPT means none. */
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extern char *readline ();
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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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/* 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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#endif /* _READLINE_H_ */
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