1 /* $NetBSD: prompt.c,v 1.27 2017/06/27 23:25:13 christos Exp $ */
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Christos Zoulas of Cornell University.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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
36 #if !defined(lint) && !defined(SCCSID)
38 static char sccsid[] = "@(#)prompt.c 8.1 (Berkeley) 6/4/93";
40 __RCSID("$NetBSD: prompt.c,v 1.27 2017/06/27 23:25:13 christos Exp $");
42 #endif /* not lint && not SCCSID */
45 * prompt.c: Prompt printing functions
50 static wchar_t *prompt_default(EditLine *);
51 static wchar_t *prompt_default_r(EditLine *);
54 * Just a default prompt, in case the user did not provide one
58 prompt_default(EditLine *el __attribute__((__unused__)))
60 static wchar_t a[3] = L"? ";
66 /* prompt_default_r():
67 * Just a default rprompt, in case the user did not provide one
71 prompt_default_r(EditLine *el __attribute__((__unused__)))
73 static wchar_t a[1] = L"";
80 * Print the prompt and update the prompt position.
83 prompt_print(EditLine *el, int op)
91 elp = &el->el_rprompt;
94 p = (*elp->p_func)(el);
96 p = ct_decode_string((char *)(void *)(*elp->p_func)(el),
100 if (elp->p_ignore == *p) {
101 wchar_t *litstart = ++p;
102 while (*p && *p != elp->p_ignore)
105 // XXX: We lose the last literal
108 re_putliteral(el, litstart, p++);
114 elp->p_pos.v = el->el_refresh.r_cursor.v;
115 elp->p_pos.h = el->el_refresh.r_cursor.h;
120 * Initialize the prompt stuff
123 prompt_init(EditLine *el)
126 el->el_prompt.p_func = prompt_default;
127 el->el_prompt.p_pos.v = 0;
128 el->el_prompt.p_pos.h = 0;
129 el->el_prompt.p_ignore = '\0';
130 el->el_rprompt.p_func = prompt_default_r;
131 el->el_rprompt.p_pos.v = 0;
132 el->el_rprompt.p_pos.h = 0;
133 el->el_rprompt.p_ignore = '\0';
139 * Clean up the prompt stuff
143 prompt_end(EditLine *el __attribute__((__unused__)))
149 * Install a prompt printing function
152 prompt_set(EditLine *el, el_pfunc_t prf, wchar_t c, int op, int wide)
156 if (op == EL_PROMPT || op == EL_PROMPT_ESC)
162 if (op == EL_PROMPT || op == EL_PROMPT_ESC)
163 p->p_func = prompt_default;
165 p->p_func = prompt_default_r;
181 * Retrieve the prompt printing function
184 prompt_get(EditLine *el, el_pfunc_t *prf, wchar_t *c, int op)