1 /* $NetBSD: histedit.h,v 1.48 2011/07/28 20:50:55 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Christos Zoulas of Cornell University. 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 University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)histedit.h 8.2 (Berkeley) 1/3/94 35 */ 36 37 /* 38 * histedit.h: Line editor and history interface. 39 */ 40 #ifndef _HISTEDIT_H_ 41 #define _HISTEDIT_H_ 42 43 #define LIBEDIT_MAJOR 2 44 #define LIBEDIT_MINOR 11 45 46 /* XXXMYSQL : stdint.h might not be available on older Solaris platforms. */ 47 #if defined(__sun) || defined(__sun__) 48 #include <sys/inttypes.h> 49 #else 50 #include <stdint.h> 51 #endif 52 53 #include <sys/types.h> 54 #include <stdio.h> 55 56 #ifdef __cplusplus 57 extern "C" { 58 #endif 59 60 /* 61 * ==== Editing ==== 62 */ 63 64 typedef struct editline EditLine; 65 66 /* 67 * For user-defined function interface 68 */ 69 typedef struct lineinfo { 70 const char *buffer; 71 const char *cursor; 72 const char *lastchar; 73 } LineInfo; 74 75 /* 76 * EditLine editor function return codes. 77 * For user-defined function interface 78 */ 79 #define CC_NORM 0 80 #define CC_NEWLINE 1 81 #define CC_EOF 2 82 #define CC_ARGHACK 3 83 #define CC_REFRESH 4 84 #define CC_CURSOR 5 85 #define CC_ERROR 6 86 #define CC_FATAL 7 87 #define CC_REDISPLAY 8 88 #define CC_REFRESH_BEEP 9 89 90 /* 91 * Initialization, cleanup, and resetting 92 */ 93 EditLine *el_init(const char *, FILE *, FILE *, FILE *); 94 void el_end(EditLine *); 95 void el_reset(EditLine *); 96 97 /* 98 * Get a line, a character or push a string back in the input queue 99 */ 100 const char *el_gets(EditLine *, int *); 101 int el_getc(EditLine *, char *); 102 void el_push(EditLine *, const char *); 103 104 /* 105 * Beep! 106 */ 107 void el_beep(EditLine *); 108 109 /* 110 * High level function internals control 111 * Parses argc, argv array and executes builtin editline commands 112 */ 113 int el_parse(EditLine *, int, const char **); 114 115 /* 116 * Low level editline access functions 117 */ 118 int el_set(EditLine *, int, ...); 119 int el_get(EditLine *, int, ...); 120 unsigned char _el_fn_complete(EditLine *, int); 121 122 /* 123 * el_set/el_get parameters 124 * 125 * When using el_wset/el_wget (as opposed to el_set/el_get): 126 * Char is wchar_t, otherwise it is char. 127 * prompt_func is el_wpfunc_t, otherwise it is el_pfunc_t . 128 129 * Prompt function prototypes are: 130 * typedef char *(*el_pfunct_t) (EditLine *); 131 * typedef wchar_t *(*el_wpfunct_t) (EditLine *); 132 * 133 * For operations that support set or set/get, the argument types listed are for 134 * the "set" operation. For "get", each listed type must be a pointer. 135 * E.g. EL_EDITMODE takes an int when set, but an int* when get. 136 * 137 * Operations that only support "get" have the correct argument types listed. 138 */ 139 #define EL_PROMPT 0 /* , prompt_func); set/get */ 140 #define EL_TERMINAL 1 /* , const char *); set/get */ 141 #define EL_EDITOR 2 /* , const Char *); set/get */ 142 #define EL_SIGNAL 3 /* , int); set/get */ 143 #define EL_BIND 4 /* , const Char *, ..., NULL); set */ 144 #define EL_TELLTC 5 /* , const Char *, ..., NULL); set */ 145 #define EL_SETTC 6 /* , const Char *, ..., NULL); set */ 146 #define EL_ECHOTC 7 /* , const Char *, ..., NULL); set */ 147 #define EL_SETTY 8 /* , const Char *, ..., NULL); set */ 148 #define EL_ADDFN 9 /* , const Char *, const Char, set */ 149 /* el_func_t); */ 150 #define EL_HIST 10 /* , hist_fun_t, const void *); set */ 151 #define EL_EDITMODE 11 /* , int); set/get */ 152 #define EL_RPROMPT 12 /* , prompt_func); set/get */ 153 #define EL_GETCFN 13 /* , el_rfunc_t); set/get */ 154 #define EL_CLIENTDATA 14 /* , void *); set/get */ 155 #define EL_UNBUFFERED 15 /* , int); set/get */ 156 #define EL_PREP_TERM 16 /* , int); set */ 157 #define EL_GETTC 17 /* , const Char *, ..., NULL); get */ 158 #define EL_GETFP 18 /* , int, FILE **); get */ 159 #define EL_SETFP 19 /* , int, FILE *); set */ 160 #define EL_REFRESH 20 /* , void); set */ 161 #define EL_PROMPT_ESC 21 /* , prompt_func, Char); set/get */ 162 #define EL_RPROMPT_ESC 22 /* , prompt_func, Char); set/get */ 163 #define EL_RESIZE 23 /* , el_zfunc_t, void *); set */ 164 165 #define EL_BUILTIN_GETCFN (NULL) 166 167 /* 168 * Source named file or $PWD/.editrc or $HOME/.editrc 169 */ 170 int el_source(EditLine *, const char *); 171 172 /* 173 * Must be called when the terminal changes size; If EL_SIGNAL 174 * is set this is done automatically otherwise it is the responsibility 175 * of the application 176 */ 177 void el_resize(EditLine *); 178 179 /* 180 * User-defined function interface. 181 */ 182 const LineInfo *el_line(EditLine *); 183 int el_insertstr(EditLine *, const char *); 184 void el_deletestr(EditLine *, int); 185 186 187 /* 188 * ==== History ==== 189 */ 190 191 typedef struct history History; 192 193 typedef struct HistEvent { 194 int num; 195 const char *str; 196 } HistEvent; 197 198 /* 199 * History access functions. 200 */ 201 History * history_init(void); 202 void history_end(History *); 203 204 int history(History *, HistEvent *, int, ...); 205 206 #define H_FUNC 0 /* , UTSL */ 207 #define H_SETSIZE 1 /* , const int); */ 208 #define H_GETSIZE 2 /* , void); */ 209 #define H_FIRST 3 /* , void); */ 210 #define H_LAST 4 /* , void); */ 211 #define H_PREV 5 /* , void); */ 212 #define H_NEXT 6 /* , void); */ 213 #define H_CURR 8 /* , const int); */ 214 #define H_SET 7 /* , int); */ 215 #define H_ADD 9 /* , const wchar_t *); */ 216 #define H_ENTER 10 /* , const wchar_t *); */ 217 #define H_APPEND 11 /* , const wchar_t *); */ 218 #define H_END 12 /* , void); */ 219 #define H_NEXT_STR 13 /* , const wchar_t *); */ 220 #define H_PREV_STR 14 /* , const wchar_t *); */ 221 #define H_NEXT_EVENT 15 /* , const int); */ 222 #define H_PREV_EVENT 16 /* , const int); */ 223 #define H_LOAD 17 /* , const char *); */ 224 #define H_SAVE 18 /* , const char *); */ 225 #define H_CLEAR 19 /* , void); */ 226 #define H_SETUNIQUE 20 /* , int); */ 227 #define H_GETUNIQUE 21 /* , void); */ 228 #define H_DEL 22 /* , int); */ 229 #define H_NEXT_EVDATA 23 /* , const int, histdata_t *); */ 230 #define H_DELDATA 24 /* , int, histdata_t *);*/ 231 #define H_REPLACE 25 /* , const char *, histdata_t); */ 232 233 234 235 /* 236 * ==== Tokenization ==== 237 */ 238 239 typedef struct tokenizer Tokenizer; 240 241 /* 242 * String tokenization functions, using simplified sh(1) quoting rules 243 */ 244 Tokenizer *tok_init(const char *); 245 void tok_end(Tokenizer *); 246 void tok_reset(Tokenizer *); 247 int tok_line(Tokenizer *, const LineInfo *, 248 int *, const char ***, int *, int *); 249 int tok_str(Tokenizer *, const char *, 250 int *, const char ***); 251 252 /* 253 * Begin Wide Character Support 254 */ 255 256 /* 257 * Wide character versions 258 */ 259 260 /* 261 * ==== Editing ==== 262 */ 263 typedef struct lineinfow { 264 const wchar_t *buffer; 265 const wchar_t *cursor; 266 const wchar_t *lastchar; 267 } LineInfoW; 268 269 const wchar_t *el_wgets(EditLine *, int *); 270 int el_wgetc(EditLine *, wchar_t *); 271 void el_wpush(EditLine *, const wchar_t *); 272 273 int el_wparse(EditLine *, int, const wchar_t **); 274 275 int el_wset(EditLine *, int, ...); 276 int el_wget(EditLine *, int, ...); 277 278 const LineInfoW *el_wline(EditLine *); 279 int el_winsertstr(EditLine *, const wchar_t *); 280 #define el_wdeletestr el_deletestr 281 282 /* 283 * ==== History ==== 284 */ 285 typedef struct histeventW { 286 int num; 287 const wchar_t *str; 288 } HistEventW; 289 290 typedef struct historyW HistoryW; 291 292 HistoryW * history_winit(void); 293 void history_wend(HistoryW *); 294 295 int history_w(HistoryW *, HistEventW *, int, ...); 296 297 /* 298 * ==== Tokenization ==== 299 */ 300 typedef struct tokenizerW TokenizerW; 301 302 /* Wide character tokenizer support */ 303 TokenizerW *tok_winit(const wchar_t *); 304 void tok_wend(TokenizerW *); 305 void tok_wreset(TokenizerW *); 306 int tok_wline(TokenizerW *, const LineInfoW *, 307 int *, const wchar_t ***, int *, int *); 308 int tok_wstr(TokenizerW *, const wchar_t *, 309 int *, const wchar_t ***); 310 311 #ifdef __cplusplus 312 } 313 #endif 314 315 #endif /* _HISTEDIT_H_ */ 316