1/* $NetBSD: readline.h,v 1.34 2013/05/28 00:10:34 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 void VFunction(void); 42typedef void VCPFunction(char *); 43typedef char *CPFunction(const char *, int); 44typedef char **CPPFunction(const char *, int, int); 45typedef char *rl_compentry_func_t(const char *, int); 46typedef int rl_command_func_t(int, int); 47 48/* only supports length */ 49typedef struct { 50 int length; 51} HISTORY_STATE; 52 53typedef void *histdata_t; 54 55typedef struct _hist_entry { 56 const char *line; 57 histdata_t data; 58} HIST_ENTRY; 59 60typedef struct _keymap_entry { 61 char type; 62#define ISFUNC 0 63#define ISKMAP 1 64#define ISMACR 2 65 Function *function; 66} KEYMAP_ENTRY; 67 68#define KEYMAP_SIZE 256 69 70typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE]; 71typedef KEYMAP_ENTRY *Keymap; 72 73#define control_character_threshold 0x20 74#define control_character_bit 0x40 75 76#ifndef CTRL 77#include <sys/ioctl.h> 78#if !defined(__sun) && !defined(__hpux) && !defined(_AIX) 79#include <sys/ttydefaults.h> 80#endif 81#ifndef CTRL 82#define CTRL(c) ((c) & 037) 83#endif 84#endif 85#ifndef UNCTRL 86#define UNCTRL(c) (((c) - 'a' + 'A')|control_character_bit) 87#endif 88 89#define RUBOUT 0x7f 90#define ABORT_CHAR CTRL('G') 91#define RL_READLINE_VERSION 0x0402 92#define RL_PROMPT_START_IGNORE '\1' 93#define RL_PROMPT_END_IGNORE '\2' 94 95/* global variables used by readline enabled applications */ 96#ifdef __cplusplus 97extern "C" { 98#endif 99extern const char *rl_library_version; 100extern int rl_readline_version; 101extern char *rl_readline_name; 102extern FILE *rl_instream; 103extern FILE *rl_outstream; 104extern char *rl_line_buffer; 105extern int rl_point, rl_end; 106extern int history_base, history_length; 107extern int max_input_history; 108extern char *rl_basic_word_break_characters; 109extern char *rl_completer_word_break_characters; 110extern char *rl_completer_quote_characters; 111extern Function *rl_completion_entry_function; 112extern char *(*rl_completion_word_break_hook)(void); 113extern CPPFunction *rl_attempted_completion_function; 114extern int rl_attempted_completion_over; 115extern int rl_completion_type; 116extern int rl_completion_query_items; 117extern char *rl_special_prefixes; 118extern int rl_completion_append_character; 119extern int rl_inhibit_completion; 120extern Function *rl_pre_input_hook; 121extern Function *rl_startup_hook; 122extern char *rl_terminal_name; 123extern int rl_already_prompted; 124extern char *rl_prompt; 125/* 126 * The following is not implemented 127 */ 128extern int rl_catch_signals; 129extern int rl_catch_sigwinch; 130extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, 131 emacs_meta_keymap, 132 emacs_ctlx_keymap; 133extern int rl_filename_completion_desired; 134extern int rl_ignore_completion_duplicates; 135extern int (*rl_getc_function)(FILE *); 136extern VFunction *rl_redisplay_function; 137extern VFunction *rl_completion_display_matches_hook; 138extern VFunction *rl_prep_term_function; 139extern VFunction *rl_deprep_term_function; 140extern int readline_echoing_p; 141extern int _rl_print_completions_horizontally; 142 143/* supported functions */ 144char *readline(const char *); 145int rl_initialize(void); 146 147void using_history(void); 148int add_history(const char *); 149void clear_history(void); 150void stifle_history(int); 151int unstifle_history(void); 152int history_is_stifled(void); 153int where_history(void); 154HIST_ENTRY *current_history(void); 155HIST_ENTRY *history_get(int); 156HIST_ENTRY *remove_history(int); 157HIST_ENTRY *replace_history_entry(int, const char *, histdata_t); 158int history_total_bytes(void); 159int history_set_pos(int); 160HIST_ENTRY *previous_history(void); 161HIST_ENTRY *next_history(void); 162int history_search(const char *, int); 163int history_search_prefix(const char *, int); 164int history_search_pos(const char *, int, int); 165int read_history(const char *); 166int write_history(const char *); 167int history_truncate_file (const char *, int); 168int history_expand(char *, char **); 169char **history_tokenize(const char *); 170const char *get_history_event(const char *, int *, int); 171char *history_arg_extract(int, int, const char *); 172 173char *tilde_expand(char *); 174char *filename_completion_function(const char *, int); 175char *username_completion_function(const char *, int); 176int rl_complete(int, int); 177int rl_read_key(void); 178char **completion_matches(const char *, CPFunction *); 179void rl_display_match_list(char **, int, int); 180 181int rl_insert(int, int); 182int rl_insert_text(const char *); 183void rl_reset_terminal(const char *); 184int rl_bind_key(int, rl_command_func_t *); 185int rl_newline(int, int); 186void rl_callback_read_char(void); 187void rl_callback_handler_install(const char *, VCPFunction *); 188void rl_callback_handler_remove(void); 189void rl_redisplay(void); 190int rl_get_previous_history(int, int); 191void rl_prep_terminal(int); 192void rl_deprep_terminal(void); 193int rl_read_init_file(const char *); 194int rl_parse_and_bind(const char *); 195int rl_variable_bind(const char *, const char *); 196void rl_stuff_char(int); 197int rl_add_defun(const char *, Function *, int); 198HISTORY_STATE *history_get_history_state(void); 199void rl_get_screen_size(int *, int *); 200void rl_set_screen_size(int, int); 201char *rl_filename_completion_function (const char *, int); 202int _rl_abort_internal(void); 203int _rl_qsort_string_compare(char **, char **); 204char **rl_completion_matches(const char *, rl_compentry_func_t *); 205void rl_forced_update_display(void); 206int rl_set_prompt(const char *); 207int rl_on_new_line(void); 208 209/* 210 * The following are not implemented 211 */ 212int rl_kill_text(int, int); 213Keymap rl_get_keymap(void); 214void rl_set_keymap(Keymap); 215Keymap rl_make_bare_keymap(void); 216int rl_generic_bind(int, const char *, const char *, Keymap); 217int rl_bind_key_in_map(int, rl_command_func_t *, Keymap); 218void rl_cleanup_after_signal(void); 219void rl_free_line_state(void); 220#ifdef __cplusplus 221} 222#endif 223 224#endif /* _READLINE_H_ */ 225