1/* $NetBSD: readline.h,v 1.46 2019/06/07 15:19:29 christos Exp $ */ 2 3/*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jaromir Dolecek. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31#ifndef _READLINE_H_ 32#define _READLINE_H_ 33 34#include <sys/types.h> 35#include <stdio.h> 36 37/* list of readline stuff supported by editline library's readline wrapper */ 38 39/* typedefs */ 40typedef int Function(const char *, int); 41typedef char *CPFunction(const char *, int); 42typedef void VFunction(void); 43typedef void rl_vcpfunc_t(char *); 44typedef char **rl_completion_func_t(const char *, int, int); 45typedef char *rl_compentry_func_t(const char *, int); 46typedef int rl_command_func_t(int, int); 47typedef int rl_hook_func_t(void); 48 49/* only supports length */ 50typedef struct { 51 int length; 52} HISTORY_STATE; 53 54typedef void *histdata_t; 55 56typedef struct _hist_entry { 57 const char *line; 58 histdata_t data; 59} HIST_ENTRY; 60 61typedef struct _keymap_entry { 62 char type; 63#define ISFUNC 0 64#define ISKMAP 1 65#define ISMACR 2 66 Function *function; 67} KEYMAP_ENTRY; 68 69#define KEYMAP_SIZE 256 70 71typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE]; 72typedef KEYMAP_ENTRY *Keymap; 73 74#define control_character_threshold 0x20 75#define control_character_bit 0x40 76 77#ifndef CTRL 78#include <sys/ioctl.h> 79#if !defined(__sun) && !defined(__hpux) && !defined(_AIX) 80#include <sys/ttydefaults.h> 81#endif 82#ifndef CTRL 83#define CTRL(c) ((c) & 037) 84#endif 85#endif 86#ifndef UNCTRL 87#define UNCTRL(c) (((c) - 'a' + 'A')|control_character_bit) 88#endif 89 90#define RUBOUT 0x7f 91#define ABORT_CHAR CTRL('G') 92#define RL_READLINE_VERSION 0x0402 93#define RL_PROMPT_START_IGNORE '\1' 94#define RL_PROMPT_END_IGNORE '\2' 95 96/* global variables used by readline enabled applications */ 97#ifdef __cplusplus 98extern "C" { 99#endif 100extern const char *rl_library_version; 101extern int rl_readline_version; 102extern const char *rl_readline_name; 103extern FILE *rl_instream; 104extern FILE *rl_outstream; 105extern char *rl_line_buffer; 106extern int rl_point, rl_end; 107extern int history_base, history_length; 108extern int max_input_history; 109extern const char *rl_basic_word_break_characters; 110extern char *rl_completer_word_break_characters; 111extern const char *rl_completer_quote_characters; 112extern rl_compentry_func_t *rl_completion_entry_function; 113extern char *(*rl_completion_word_break_hook)(void); 114extern rl_completion_func_t *rl_attempted_completion_function; 115extern int rl_attempted_completion_over; 116extern int rl_completion_type; 117extern int rl_completion_query_items; 118extern const char *rl_special_prefixes; 119extern int rl_completion_append_character; 120extern int rl_inhibit_completion; 121extern Function *rl_pre_input_hook; 122extern Function *rl_startup_hook; 123extern char *rl_terminal_name; 124extern int rl_already_prompted; 125extern char *rl_prompt; 126extern int rl_done; 127/* 128 * The following is not implemented 129 */ 130extern int rl_catch_signals; 131extern int rl_catch_sigwinch; 132extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, 133 emacs_meta_keymap, 134 emacs_ctlx_keymap; 135extern int rl_filename_completion_desired; 136extern int rl_ignore_completion_duplicates; 137extern int (*rl_getc_function)(FILE *); 138extern VFunction *rl_redisplay_function; 139extern VFunction *rl_completion_display_matches_hook; 140extern VFunction *rl_prep_term_function; 141extern VFunction *rl_deprep_term_function; 142extern rl_hook_func_t *rl_event_hook; 143extern int readline_echoing_p; 144extern int _rl_print_completions_horizontally; 145 146/* supported functions */ 147char *readline(const char *); 148int rl_initialize(void); 149 150void using_history(void); 151int add_history(const char *); 152void clear_history(void); 153int append_history(int, const char *); 154void stifle_history(int); 155int unstifle_history(void); 156int history_is_stifled(void); 157int where_history(void); 158HIST_ENTRY *current_history(void); 159HIST_ENTRY *history_get(int); 160HIST_ENTRY *remove_history(int); 161HIST_ENTRY *replace_history_entry(int, const char *, histdata_t); 162int history_total_bytes(void); 163int history_set_pos(int); 164HIST_ENTRY *previous_history(void); 165HIST_ENTRY *next_history(void); 166HIST_ENTRY **history_list(void); 167int history_search(const char *, int); 168int history_search_prefix(const char *, int); 169int history_search_pos(const char *, int, int); 170int read_history(const char *); 171int write_history(const char *); 172int history_truncate_file (const char *, int); 173int history_expand(char *, char **); 174char **history_tokenize(const char *); 175const char *get_history_event(const char *, int *, int); 176char *history_arg_extract(int, int, const char *); 177 178char *tilde_expand(char *); 179char *filename_completion_function(const char *, int); 180char *username_completion_function(const char *, int); 181int rl_complete(int, int); 182int rl_read_key(void); 183char **completion_matches(/* const */ char *, rl_compentry_func_t *); 184void rl_display_match_list(char **, int, int); 185 186int rl_insert(int, int); 187int rl_insert_text(const char *); 188int rl_reset_terminal(const char *); 189void rl_resize_terminal(void); 190int rl_bind_key(int, rl_command_func_t *); 191int rl_newline(int, int); 192void rl_callback_read_char(void); 193void rl_callback_handler_install(const char *, rl_vcpfunc_t *); 194void rl_callback_handler_remove(void); 195void rl_redisplay(void); 196int rl_get_previous_history(int, int); 197void rl_prep_terminal(int); 198void rl_deprep_terminal(void); 199int rl_read_init_file(const char *); 200int rl_parse_and_bind(const char *); 201int rl_variable_bind(const char *, const char *); 202int rl_stuff_char(int); 203int rl_add_defun(const char *, rl_command_func_t *, int); 204HISTORY_STATE *history_get_history_state(void); 205void rl_get_screen_size(int *, int *); 206void rl_set_screen_size(int, int); 207char *rl_filename_completion_function (const char *, int); 208int _rl_abort_internal(void); 209int _rl_qsort_string_compare(char **, char **); 210char **rl_completion_matches(const char *, rl_compentry_func_t *); 211void rl_forced_update_display(void); 212int rl_set_prompt(const char *); 213int rl_on_new_line(void); 214void rl_reset_after_signal(void); 215void rl_echo_signal_char(int); 216 217/* 218 * The following are not implemented 219 */ 220int rl_kill_text(int, int); 221Keymap rl_get_keymap(void); 222void rl_set_keymap(Keymap); 223Keymap rl_make_bare_keymap(void); 224int rl_generic_bind(int, const char *, const char *, Keymap); 225int rl_bind_key_in_map(int, rl_command_func_t *, Keymap); 226void rl_cleanup_after_signal(void); 227void rl_free_line_state(void); 228int rl_set_keyboard_input_timeout(int); 229 230#ifdef __cplusplus 231} 232#endif 233 234#endif /* _READLINE_H_ */ 235