/* $NetBSD: readline.h,v 1.53 2022/02/19 17:45:02 christos Exp $ */ /*- * Copyright (c) 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jaromir Dolecek. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _READLINE_H_ #define _READLINE_H_ #include #include /* list of readline stuff supported by editline library's readline wrapper */ /* typedefs */ typedef int Function(const char *, int); typedef char *CPFunction(const char *, int); typedef void VFunction(void); typedef void rl_vcpfunc_t(char *); typedef char **rl_completion_func_t(const char *, int, int); typedef char *rl_compentry_func_t(const char *, int); typedef int rl_command_func_t(int, int); typedef int rl_hook_func_t(void); typedef int rl_icppfunc_t(char **); /* only supports length */ typedef struct { int length; } HISTORY_STATE; typedef void *histdata_t; typedef struct _hist_entry { const char *line; histdata_t data; } HIST_ENTRY; typedef struct _keymap_entry { char type; #define ISFUNC 0 #define ISKMAP 1 #define ISMACR 2 Function *function; } KEYMAP_ENTRY; #define KEYMAP_SIZE 256 typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE]; typedef KEYMAP_ENTRY *Keymap; #define control_character_threshold 0x20 #define control_character_bit 0x40 #ifndef CTRL #include #if !defined(__sun) && !defined(__hpux) && !defined(_AIX) #include #endif #ifndef CTRL #define CTRL(c) ((c) & 037) #endif #endif #ifndef UNCTRL #define UNCTRL(c) (((c) - 'a' + 'A')|control_character_bit) #endif #define RUBOUT 0x7f #define ABORT_CHAR CTRL('G') #define RL_READLINE_VERSION 0x0402 #define RL_PROMPT_START_IGNORE '\1' #define RL_PROMPT_END_IGNORE '\2' #define RL_STATE_NONE 0x000000 #define RL_STATE_DONE 0x000001 #define RL_SETSTATE(x) (rl_readline_state |= ((unsigned long) x)) #define RL_UNSETSTATE(x) (rl_readline_state &= ~((unsigned long) x)) #define RL_ISSTATE(x) (rl_readline_state & ((unsigned long) x)) /* global variables used by readline enabled applications */ #ifdef __cplusplus extern "C" { #endif extern const char *rl_library_version; extern int rl_readline_version; extern const char *rl_readline_name; extern FILE *rl_instream; extern FILE *rl_outstream; extern char *rl_line_buffer; extern int rl_point, rl_end; extern int history_base, history_length; extern int max_input_history; extern const char *rl_basic_quote_characters; extern const char *rl_basic_word_break_characters; extern char *rl_completer_word_break_characters; extern const char *rl_completer_quote_characters; extern rl_compentry_func_t *rl_completion_entry_function; extern char *(*rl_completion_word_break_hook)(void); extern rl_completion_func_t *rl_attempted_completion_function; extern int rl_attempted_completion_over; extern int rl_completion_type; extern int rl_completion_query_items; extern const char *rl_special_prefixes; extern int rl_completion_append_character; extern int rl_inhibit_completion; extern rl_hook_func_t *rl_pre_input_hook; extern rl_hook_func_t *rl_startup_hook; extern char *rl_terminal_name; extern int rl_already_prompted; extern char *rl_prompt; extern int rl_done; /* * The following is not implemented */ extern unsigned long rl_readline_state; extern int rl_catch_signals; extern int rl_catch_sigwinch; extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, emacs_meta_keymap, emacs_ctlx_keymap; extern int rl_filename_completion_desired; extern int rl_ignore_completion_duplicates; extern int (*rl_getc_function)(FILE *); extern VFunction *rl_redisplay_function; extern VFunction *rl_completion_display_matches_hook; extern VFunction *rl_prep_term_function; extern VFunction *rl_deprep_term_function; extern rl_hook_func_t *rl_event_hook; extern int readline_echoing_p; extern int _rl_print_completions_horizontally; extern int _rl_complete_mark_directories; extern rl_icppfunc_t *rl_directory_completion_hook; extern int rl_completion_suppress_append; extern int rl_sort_completion_matches; extern int _rl_completion_prefix_display_length; extern int _rl_echoing_p; extern int history_max_entries; extern char *rl_display_prompt; extern int rl_erase_empty_line; /* supported functions */ char *readline(const char *); int rl_initialize(void); void using_history(void); int add_history(const char *); void clear_history(void); int append_history(int, const char *); void stifle_history(int); int unstifle_history(void); int history_is_stifled(void); int where_history(void); HIST_ENTRY *current_history(void); HIST_ENTRY *history_get(int); HIST_ENTRY *remove_history(int); HIST_ENTRY *replace_history_entry(int, const char *, histdata_t); int history_total_bytes(void); int history_set_pos(int); HIST_ENTRY *previous_history(void); HIST_ENTRY *next_history(void); HIST_ENTRY **history_list(void); int history_search(const char *, int); int history_search_prefix(const char *, int); int history_search_pos(const char *, int, int); int read_history(const char *); int write_history(const char *); int history_truncate_file(const char *, int); int history_expand(char *, char **); char **history_tokenize(const char *); const char *get_history_event(const char *, int *, int); char *history_arg_extract(int, int, const char *); char *tilde_expand(char *); char *filename_completion_function(const char *, int); char *username_completion_function(const char *, int); int rl_complete(int, int); int rl_read_key(void); char **completion_matches(/* const */ char *, rl_compentry_func_t *); void rl_display_match_list(char **, int, int); int rl_insert(int, int); int rl_insert_text(const char *); int rl_reset_terminal(const char *); void rl_resize_terminal(void); int rl_bind_key(int, rl_command_func_t *); int rl_newline(int, int); void rl_callback_read_char(void); void rl_callback_handler_install(const char *, rl_vcpfunc_t *); void rl_callback_handler_remove(void); void rl_redisplay(void); int rl_get_previous_history(int, int); void rl_prep_terminal(int); void rl_deprep_terminal(void); int rl_read_init_file(const char *); int rl_parse_and_bind(const char *); int rl_variable_bind(const char *, const char *); int rl_stuff_char(int); int rl_add_defun(const char *, rl_command_func_t *, int); HISTORY_STATE *history_get_history_state(void); void rl_get_screen_size(int *, int *); void rl_set_screen_size(int, int); char *rl_filename_completion_function(const char *, int); int _rl_abort_internal(void); int _rl_qsort_string_compare(char **, char **); char **rl_completion_matches(const char *, rl_compentry_func_t *); void rl_forced_update_display(void); int rl_set_prompt(const char *); int rl_on_new_line(void); void rl_reset_after_signal(void); void rl_echo_signal_char(int); int rl_crlf(void); int rl_ding(void); char *rl_copy_text(int, int); void rl_replace_line(const char *, int); int rl_delete_text(int, int); void rl_message(const char *format, ...) __attribute__((__format__(__printf__, 1, 2))); void rl_save_prompt(void); void rl_restore_prompt(void); /* * The following are not implemented */ int rl_kill_text(int, int); Keymap rl_get_keymap(void); void rl_set_keymap(Keymap); Keymap rl_make_bare_keymap(void); int rl_generic_bind(int, const char *, const char *, Keymap); int rl_bind_key_in_map(int, rl_command_func_t *, Keymap); int rl_set_key(const char *, rl_command_func_t *, Keymap); void rl_cleanup_after_signal(void); void rl_free_line_state(void); int rl_set_keyboard_input_timeout(int); int rl_abort(int, int); int rl_set_keymap_name(const char *, Keymap); histdata_t free_history_entry(HIST_ENTRY *); void _rl_erase_entire_line(void); #ifdef __cplusplus } #endif #endif /* _READLINE_H_ */