2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Christos Zoulas of Cornell University.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $NetBSD: prompt.c,v 1.14 2009/03/31 17:38:27 christos Exp $
35 #if !defined(lint) && !defined(SCCSID)
36 static char sccsid[] = "@(#)prompt.c 8.1 (Berkeley) 6/4/93";
37 #endif /* not lint && not SCCSID */
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
42 * prompt.c: Prompt printing functions
48 private char *prompt_default(EditLine *);
49 private char *prompt_default_r(EditLine *);
52 * Just a default prompt, in case the user did not provide one
56 prompt_default(EditLine *el __unused)
58 static char a[3] = {'?', ' ', '\0'};
64 /* prompt_default_r():
65 * Just a default rprompt, in case the user did not provide one
69 prompt_default_r(EditLine *el __unused)
71 static char a[1] = {'\0'};
78 * Print the prompt and update the prompt position.
79 * We use an array of integers in case we want to pass
80 * literal escape sequences in the prompt and we want a
84 prompt_print(EditLine *el, int op)
93 elp = &el->el_rprompt;
95 for (p = (*elp->p_func)(el); *p; p++) {
96 if (elp->p_ignore == *p) {
106 elp->p_pos.v = el->el_refresh.r_cursor.v;
107 elp->p_pos.h = el->el_refresh.r_cursor.h;
112 * Initialize the prompt stuff
115 prompt_init(EditLine *el)
118 el->el_prompt.p_func = prompt_default;
119 el->el_prompt.p_pos.v = 0;
120 el->el_prompt.p_pos.h = 0;
121 el->el_prompt.p_ignore = '\0';
122 el->el_rprompt.p_func = prompt_default_r;
123 el->el_rprompt.p_pos.v = 0;
124 el->el_rprompt.p_pos.h = 0;
125 el->el_rprompt.p_ignore = '\0';
131 * Clean up the prompt stuff
135 prompt_end(EditLine *el __unused)
141 * Install a prompt printing function
144 prompt_set(EditLine *el, el_pfunc_t prf, char c, int op)
148 if (op == EL_PROMPT || op == EL_PROMPT_ESC)
154 if (op == EL_PROMPT || op == EL_PROMPT_ESC)
155 p->p_func = prompt_default;
157 p->p_func = prompt_default_r;
171 * Retrieve the prompt printing function
174 prompt_get(EditLine *el, el_pfunc_t *prf, char *c, int op)
186 *prf = el->el_rprompt.p_func;