diff options
Diffstat (limited to 'readline.h')
| -rw-r--r-- | readline.h | 357 |
1 files changed, 238 insertions, 119 deletions
@@ -31,15 +31,44 @@ # include <readline/tilde.h> #endif -/* The functions for manipulating the text of the line within readline. -Most of these functions are bound to keys by default. */ +/* Readline data structures. */ + +/* 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 _funmap { + char *name; + Function *function; +} FUNMAP; + +extern FUNMAP **funmap; + +/* Functions available to bind to key sequences. */ extern int - rl_tilde_expand (), + rl_tilde_expand (), rl_set_mark (), rl_exchange_point_and_mark (), rl_beg_of_line (), rl_backward (), rl_delete (), rl_end_of_line (), - rl_forward (), ding (), rl_backward (), rl_newline (), rl_kill_line (), + rl_forward (), ding (), rl_newline (), rl_kill_line (), + rl_copy_region_to_kill (), rl_kill_region (), rl_char_search (), 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_unix_line_discard (), 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 (), @@ -49,28 +78,21 @@ extern int 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_restart_output (), rl_re_read_init_file (), + rl_dump_functions (), rl_dump_variables (), rl_dump_macros (), rl_delete_horizontal_space (), rl_history_search_forward (), - rl_history_search_backward (), rl_tty_status (), rl_yank_last_arg (); - -/* `Public' utility functions. */ -extern int rl_insert_text (), rl_delete_text (), rl_kill_text (); -extern int rl_complete_internal (); -extern int rl_expand_prompt (); -extern int rl_initialize (); -extern int rl_set_signals (), rl_clear_signals (); -extern int rl_init_argument (), rl_digit_argument (); -extern int rl_read_key (), rl_getc (), rl_stuff_char (); -extern int maybe_save_line (), maybe_unsave_line (), maybe_replace_line (); -extern int rl_modifying (); - -extern int rl_begin_undo_group (), rl_end_undo_group (); -extern void rl_add_undo (), free_undo_list (); -extern int rl_do_undo (); + rl_history_search_backward (), rl_tty_status (), rl_yank_last_arg (), + rl_insert_comment (), rl_backward_char_search (), + rl_copy_forward_word (), rl_copy_backward_word (); /* Not available unless readline is compiled -DPAREN_MATCHING. */ extern int rl_insert_close (); +/* Not available unless READLINE_CALLBACKS is defined. */ +extern void rl_callback_handler_install (); +extern void rl_callback_read_char (); +extern void rl_callback_handler_remove (); + /* These are *both* defined even when VI_MODE is not. */ extern int rl_vi_editing_mode (), rl_emacs_editing_mode (); @@ -80,13 +102,13 @@ extern int rl_noninc_forward_search_again (), rl_noninc_reverse_search_again (); /* Things for vi mode. Not available unless readline is compiled -DVI_MODE. */ -extern int rl_vi_check (), rl_vi_textmod_command (); +extern int rl_vi_check (); extern int - rl_vi_redo (), rl_vi_tilde_expand (), + rl_vi_undo (), 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_append_eol (), rl_vi_insert_beg (), rl_vi_delete (), 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 (), @@ -94,40 +116,112 @@ extern int 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 (); + rl_vi_complete (), rl_vi_fetch_history (), rl_vi_set_mark (), + rl_vi_goto_mark (), rl_vi_back_to_indent (); /* Keyboard macro commands. */ extern int rl_start_kbd_macro (), rl_end_kbd_macro (); extern int rl_call_last_kbd_macro (); +extern void rl_push_macro_input (); 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. */ +/* **************************************************************** */ +/* */ +/* Well Published Functions */ +/* */ +/* **************************************************************** */ -/* 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 }; +/* Readline functions. */ +/* Read a line of input. Prompt with PROMPT. A NULL PROMPT means none. */ +extern char *readline (); -/* 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; +/* These functions are from bind.c. */ +/* 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 (); -/* The current undo list for RL_LINE_BUFFER. */ -extern UNDO_LIST *rl_undo_list; +extern Keymap rl_make_bare_keymap (); +extern Keymap rl_copy_keymap (); +extern Keymap rl_make_keymap (); +extern void rl_discard_keymap (); +extern Keymap rl_get_keymap (), rl_get_keymap_by_name (); +extern void rl_set_keymap (); +extern char *rl_get_keymap_name (); -/* The data structure for mapping textual names to code addresses. */ -typedef struct { - char *name; - Function *function; -} FUNMAP; +extern int rl_bind_key (), rl_bind_key_in_map (); +extern int rl_unbind_key (), rl_unbind_key_in_map (); +extern int rl_set_key (); +extern int rl_generic_bind (); +extern int rl_parse_and_bind (); +/* Backwards compatibility, use rl_generic_bind instead. */ +extern int rl_macro_bind (), rl_variable_bind (); -extern FUNMAP **funmap; +extern int rl_read_init_file (); + +extern Function *rl_named_function (), *rl_function_of_keyseq (); +extern char **rl_invoking_keyseqs (), **rl_invoking_keyseqs_in_map (); +extern void rl_function_dumper (); +extern void rl_variable_dumper (); +extern void rl_macro_dumper (); +extern void rl_list_funmap_names (); + +/* Undocumented in the texinfo manual; not really useful to programs. */ +extern int rl_translate_keyseq (); +extern void rl_initialize_funmap (); + +/* Functions for undoing. */ +extern int rl_begin_undo_group (), rl_end_undo_group (); +extern void rl_add_undo (), free_undo_list (); +extern int rl_do_undo (); +extern int rl_modifying (); + +/* Functions for redisplay. */ +extern void rl_redisplay (); +extern int rl_forced_update_display (); +extern int rl_clear_message (); +extern int rl_reset_line_state (); +extern int rl_on_new_line (); + +#if defined (__STDC__) && defined (USE_VARARGS) && defined (PREFER_STDARG) +extern int rl_message (const char *, ...); +#else +extern int rl_message (); +#endif + +/* Undocumented in texinfo manual. */ +extern int rl_character_len (); +extern int rl_show_char (); +extern int crlf (); + +/* Modifying text. */ +extern int rl_insert_text (), rl_delete_text (); +extern int rl_kill_text (); +extern char *rl_copy_text (); + +/* `Public' utility functions. */ +extern int rl_reset_terminal (); +extern int rl_stuff_char (); +extern int rl_read_key (), rl_getc (); + +extern int rl_initialize (); + +/* Undocumented. */ +extern int rl_expand_prompt (); +extern int rl_set_signals (), rl_clear_signals (); +extern int maybe_save_line (), maybe_unsave_line (), maybe_replace_line (); + +/* Completion functions. */ +/* These functions are from complete.c. */ +extern int rl_complete_internal (); + +/* Return an array of strings which are the result of repeatadly calling + FUNC with TEXT. */ +extern char **completion_matches (); +extern char *username_completion_function (); +extern char *filename_completion_function (); /* **************************************************************** */ /* */ @@ -135,43 +229,58 @@ extern FUNMAP **funmap; /* */ /* **************************************************************** */ +/* The version of this incarnation of the readline library. */ +extern char *rl_library_version; + /* 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 prompt readline uses. This is set from the argument to + readline (), and should not be assigned to directly. */ +extern char *rl_prompt; + /* The line buffer that is in use. */ extern char *rl_line_buffer; /* The location of point, and end. */ extern int rl_point, rl_end; +extern int rl_mark; + +extern int rl_done; + +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. */ +int rl_dispatching; + /* 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; +/* 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; -/* 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; +/* 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; -/* 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 char *rl_completer_quote_characters; +extern Function *rl_getc_function; +extern VFunction *rl_redisplay_function; +extern VFunction *rl_prep_term_function; +extern VFunction *rl_deprep_term_function; -/* 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; +/* Dispatch variables. */ +extern Keymap rl_executing_keymap; +extern Keymap rl_binding_keymap; +/* Completion variables. */ /* Pointer to the generator function for completion_matches (). NULL means to use filename_entry_function (), the default filename completer. */ @@ -194,9 +303,32 @@ extern Function *rl_ignore_some_completions_function; 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; +/* 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 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 char *rl_completer_quote_characters; + +/* List of quote characters which cause a word break. */ +extern char *rl_basic_quote_characters; + +/* List of characters that need to be quoted in filenames by the completer. */ +extern 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 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 @@ -206,14 +338,6 @@ extern Function *rl_directory_completion_hook; /* Backwards compatibility with previous versions of readline. */ #define rl_symbolic_link_hook rl_directory_completion_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; - /* 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. */ @@ -226,62 +350,57 @@ extern int rl_filename_completion_desired; 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 CPFunction *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 CPFunction *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 Function *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; -/* **************************************************************** */ -/* */ -/* Well Published Functions */ -/* */ -/* **************************************************************** */ - -/* Read a line of input. Prompt with PROMPT. A NULL PROMPT means none. */ -extern char *readline (); - -/* These functions are from complete.c. */ -/* Return an array of strings which are the result of repeatadly calling - FUNC with TEXT. */ -extern char **completion_matches (); -extern char *username_completion_function (); -extern char *filename_completion_function (); +/* 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; -/* These functions are from bind.c. */ -/* 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 (); -extern int rl_bind_key (), rl_bind_key_in_map (); -extern int rl_unbind_key (), rl_unbind_key_in_map (); -extern int rl_set_key (); -extern int rl_macro_bind (), rl_generic_bind (), rl_variable_bind (); -extern int rl_translate_keyseq (); -extern Function *rl_named_function (), *rl_function_of_keyseq (); -extern int rl_parse_and_bind (); -extern Keymap rl_get_keymap (), rl_get_keymap_by_name (); -extern void rl_set_keymap (); -extern char **rl_invoking_keyseqs (), **rl_invoking_keyseqs_in_map (); -extern void rl_function_dumper (); -extern int rl_read_init_file (); +/* 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; -/* Functions in funmap.c */ -extern void rl_list_funmap_names (); -extern void rl_initialize_funmap (); +/* 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; -/* Functions in display.c */ -extern void rl_redisplay (); -extern int rl_message (), rl_clear_message (); -extern int rl_reset_line_state (); -extern int rl_character_len (); -extern int rl_show_char (); -extern int crlf (), rl_on_new_line (); -extern int rl_forced_update_display (); +/* 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; + /* 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 + #if !defined (savestring) extern char *savestring (); /* XXX backwards compatibility */ #endif |