1 /* $NetBSD: histedit.h,v 1.6 1997/10/14 15:05:53 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. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)histedit.h 8.2 (Berkeley) 1/3/94 39 */ 40 41 /* 42 * histedit.h: Line editor and history interface. 43 */ 44 #ifndef _h_editline 45 #define _h_editline 46 47 #include <sys/types.h> 48 #include <stdio.h> 49 50 /* 51 * ==== Editing ==== 52 */ 53 typedef struct editline EditLine; 54 55 /* 56 * For user-defined function interface 57 */ 58 typedef struct lineinfo { 59 const char *buffer; 60 const char *cursor; 61 const char *lastchar; 62 } LineInfo; 63 64 65 /* 66 * EditLine editor function return codes. 67 * For user-defined function interface 68 */ 69 #define CC_NORM 0 70 #define CC_NEWLINE 1 71 #define CC_EOF 2 72 #define CC_ARGHACK 3 73 #define CC_REFRESH 4 74 #define CC_CURSOR 5 75 #define CC_ERROR 6 76 #define CC_FATAL 7 77 #define CC_REDISPLAY 8 78 79 /* 80 * Initialization, cleanup, and resetting 81 */ 82 EditLine *el_init __P((const char *, FILE *, FILE *)); 83 void el_reset __P((EditLine *)); 84 void el_end __P((EditLine *)); 85 86 87 /* 88 * Get a line, a character or push a string back in the input queue 89 */ 90 const char *el_gets __P((EditLine *, int *)); 91 int el_getc __P((EditLine *, char *)); 92 void el_push __P((EditLine *, const char *)); 93 94 /* 95 * High level function internals control 96 * Parses argc, argv array and executes builtin editline commands 97 */ 98 int el_parse __P((EditLine *, int, char **)); 99 100 /* 101 * Low level editline access function 102 */ 103 int el_set __P((EditLine *, int, ...)); 104 105 /* 106 * el_set/el_get parameters 107 */ 108 #define EL_PROMPT 0 /* , el_pfunc_t); */ 109 #define EL_TERMINAL 1 /* , const char *); */ 110 #define EL_EDITOR 2 /* , const char *); */ 111 #define EL_SIGNAL 3 /* , int); */ 112 #define EL_BIND 4 /* , const char *, ..., NULL); */ 113 #define EL_TELLTC 5 /* , const char *, ..., NULL); */ 114 #define EL_SETTC 6 /* , const char *, ..., NULL); */ 115 #define EL_ECHOTC 7 /* , const char *, ..., NULL); */ 116 #define EL_SETTY 8 /* , const char *, ..., NULL); */ 117 #define EL_ADDFN 9 /* , const char *, const char * */ 118 /* , el_func_t); */ 119 #define EL_HIST 10 /* , hist_fun_t, const char *); */ 120 121 /* 122 * Source named file or $PWD/.editrc or $HOME/.editrc 123 */ 124 int el_source __P((EditLine *, const char *)); 125 126 /* 127 * Must be called when the terminal changes size; If EL_SIGNAL 128 * is set this is done automatically otherwise it is the responsibility 129 * of the application 130 */ 131 void el_resize __P((EditLine *)); 132 133 134 /* 135 * User-defined function interface. 136 */ 137 const LineInfo *el_line __P((EditLine *)); 138 int el_insertstr __P((EditLine *, char *)); 139 void el_deletestr __P((EditLine *, int)); 140 141 /* 142 * ==== History ==== 143 */ 144 145 typedef struct history History; 146 147 typedef struct HistEvent { 148 int num; 149 const char *str; 150 } HistEvent; 151 152 /* 153 * History access functions. 154 */ 155 History * history_init __P((void)); 156 void history_end __P((History *)); 157 158 int history __P((History *, HistEvent *, int, ...)); 159 160 #define H_FUNC 0 /* , UTSL */ 161 #define H_SETMAXSIZE 1 /* , const int); */ 162 #define H_FIRST 2 /* , void); */ 163 #define H_LAST 3 /* , void); */ 164 #define H_PREV 4 /* , void); */ 165 #define H_NEXT 5 /* , void); */ 166 #define H_CURR 6 /* , void); */ 167 #define H_ADD 7 /* , const char*); */ 168 #define H_ENTER 8 /* , const char*); */ 169 #define H_END 9 /* , void); */ 170 #define H_NEXT_STR 10 /* , const char*); */ 171 #define H_PREV_STR 11 /* , const char*); */ 172 #define H_NEXT_EVENT 12 /* , const int); */ 173 #define H_PREV_EVENT 13 /* , const int); */ 174 #define H_LOAD 14 /* , const char *); */ 175 #define H_SAVE 15 /* , const char *); */ 176 #define H_CLEAR 16 /* , void); */ 177 #define H_GETSIZE 17 /* , void); */ 178 179 #endif /* _h_editline */ 180