1 /* $NetBSD: readline.h,v 1.21 2007/08/12 07:41:51 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 * 3. Neither the name of The NetBSD Foundation nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 #ifndef _READLINE_H_ 35 #define _READLINE_H_ 36 37 #include <sys/types.h> 38 39 /* list of readline stuff supported by editline library's readline wrapper */ 40 41 /* typedefs */ 42 typedef int Function(const char *, int); 43 typedef void VFunction(void); 44 typedef void VCPFunction(char *); 45 typedef char *CPFunction(const char *, int); 46 typedef char **CPPFunction(const char *, int, int); 47 typedef char *rl_compentry_func_t(const char *, int); 48 49 typedef struct _hist_entry { 50 const char *line; 51 const char *data; 52 } HIST_ENTRY; 53 54 typedef struct _keymap_entry { 55 char type; 56 #define ISFUNC 0 57 #define ISKMAP 1 58 #define ISMACR 2 59 Function *function; 60 } KEYMAP_ENTRY; 61 62 #define KEYMAP_SIZE 256 63 64 typedef KEYMAP_ENTRY KEYMAP_ENTRY_ARRAY[KEYMAP_SIZE]; 65 typedef KEYMAP_ENTRY *Keymap; 66 67 #define control_character_threshold 0x20 68 #define control_character_bit 0x40 69 70 #ifndef CTRL 71 #include <sys/ioctl.h> 72 #if !defined(__sun__) && !defined(__hpux__) 73 #include <sys/ttydefaults.h> 74 #endif 75 #ifndef CTRL 76 #define CTRL(c) ((c) & 037) 77 #endif 78 #endif 79 #ifndef UNCTRL 80 #define UNCTRL(c) (((c) - 'a' + 'A')|control_character_bit) 81 #endif 82 83 #define RUBOUT 0x7f 84 #define ABORT_CHAR CTRL('G') 85 86 /* global variables used by readline enabled applications */ 87 #ifdef __cplusplus 88 extern "C" { 89 #endif 90 extern const char *rl_library_version; 91 extern char *rl_readline_name; 92 extern FILE *rl_instream; 93 extern FILE *rl_outstream; 94 extern char *rl_line_buffer; 95 extern int rl_point, rl_end; 96 extern int history_base, history_length; 97 extern int max_input_history; 98 extern char *rl_basic_word_break_characters; 99 extern char *rl_completer_word_break_characters; 100 extern char *rl_completer_quote_characters; 101 extern Function *rl_completion_entry_function; 102 extern CPPFunction *rl_attempted_completion_function; 103 extern int rl_attempted_completion_over; 104 extern int rl_completion_type; 105 extern int rl_completion_query_items; 106 extern char *rl_special_prefixes; 107 extern int rl_completion_append_character; 108 extern int rl_inhibit_completion; 109 extern Function *rl_pre_input_hook; 110 extern Function *rl_startup_hook; 111 extern char *rl_terminal_name; 112 extern int rl_already_prompted; 113 extern char *rl_prompt; 114 /* 115 * The following is not implemented 116 */ 117 extern KEYMAP_ENTRY_ARRAY emacs_standard_keymap, 118 emacs_meta_keymap, 119 emacs_ctlx_keymap; 120 extern int rl_filename_completion_desired; 121 extern int rl_ignore_completion_duplicates; 122 extern int (*rl_getc_function)(FILE *); 123 extern VFunction *rl_redisplay_function; 124 extern VFunction *rl_completion_display_matches_hook; 125 extern VFunction *rl_prep_term_function; 126 extern VFunction *rl_deprep_term_function; 127 extern int readline_echoing_p; 128 extern int _rl_print_completions_horizontally; 129 130 /* supported functions */ 131 char *readline(const char *); 132 int rl_initialize(void); 133 134 void using_history(void); 135 int add_history(const char *); 136 void clear_history(void); 137 void stifle_history(int); 138 int unstifle_history(void); 139 int history_is_stifled(void); 140 int where_history(void); 141 HIST_ENTRY *current_history(void); 142 HIST_ENTRY *history_get(int); 143 HIST_ENTRY *remove_history(int); 144 int history_total_bytes(void); 145 int history_set_pos(int); 146 HIST_ENTRY *previous_history(void); 147 HIST_ENTRY *next_history(void); 148 int history_search(const char *, int); 149 int history_search_prefix(const char *, int); 150 int history_search_pos(const char *, int, int); 151 int read_history(const char *); 152 int write_history(const char *); 153 int history_expand(char *, char **); 154 char **history_tokenize(const char *); 155 const char *get_history_event(const char *, int *, int); 156 char *history_arg_extract(int, int, const char *); 157 158 char *tilde_expand(char *); 159 char *filename_completion_function(const char *, int); 160 char *username_completion_function(const char *, int); 161 int rl_complete(int, int); 162 int rl_read_key(void); 163 char **completion_matches(const char *, CPFunction *); 164 void rl_display_match_list(char **, int, int); 165 166 int rl_insert(int, int); 167 void rl_reset_terminal(const char *); 168 int rl_bind_key(int, int (*)(int, int)); 169 int rl_newline(int, int); 170 void rl_callback_read_char(void); 171 void rl_callback_handler_install(const char *, VCPFunction *); 172 void rl_callback_handler_remove(void); 173 void rl_redisplay(void); 174 int rl_get_previous_history(int, int); 175 void rl_prep_terminal(int); 176 void rl_deprep_terminal(void); 177 int rl_read_init_file(const char *); 178 int rl_parse_and_bind(const char *); 179 int rl_variable_bind(const char *, const char *); 180 void rl_stuff_char(int); 181 int rl_add_defun(const char *, Function *, int); 182 void rl_get_screen_size(int *, int *); 183 void rl_set_screen_size(int, int); 184 char *rl_filename_completion_function (const char *, int); 185 int _rl_abort_internal(void); 186 int _rl_qsort_string_compare(char **, char **); 187 char **rl_completion_matches(const char *, rl_compentry_func_t *); 188 189 /* 190 * The following are not implemented 191 */ 192 int rl_kill_text(int, int); 193 Keymap rl_get_keymap(void); 194 void rl_set_keymap(Keymap); 195 Keymap rl_make_bare_keymap(void); 196 int rl_generic_bind(int, const char *, const char *, Keymap); 197 int rl_bind_key_in_map(int, Function *, Keymap); 198 #ifdef __cplusplus 199 } 200 #endif 201 202 #endif /* _READLINE_H_ */ 203