112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/* $NetBSD: prompt.c,v 1.20 2011/07/29 15:16:33 christos Exp $ */ 212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/*- 412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * Copyright (c) 1992, 1993 512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * The Regents of the University of California. All rights reserved. 612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * 712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * This code is derived from software contributed to Berkeley by 812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * Christos Zoulas of Cornell University. 912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * 1012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * Redistribution and use in source and binary forms, with or without 1112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * modification, are permitted provided that the following conditions 1212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * are met: 1312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * 1. Redistributions of source code must retain the above copyright 1412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * notice, this list of conditions and the following disclaimer. 1512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * 2. Redistributions in binary form must reproduce the above copyright 1612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * notice, this list of conditions and the following disclaimer in the 1712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * documentation and/or other materials provided with the distribution. 1812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * 3. Neither the name of the University nor the names of its contributors 1912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * may be used to endorse or promote products derived from this software 2012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * without specific prior written permission. 2112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * 2212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * SUCH DAMAGE. 3312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala */ 3412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 3512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala#include "config.h" 3612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala#if !defined(lint) && !defined(SCCSID) 3712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala#if 0 3812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialastatic char sccsid[] = "@(#)prompt.c 8.1 (Berkeley) 6/4/93"; 3912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala#else 4012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala__RCSID("$NetBSD: prompt.c,v 1.20 2011/07/29 15:16:33 christos Exp $"); 4112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala#endif 4212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala#endif /* not lint && not SCCSID */ 4312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 4412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/* 4512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * prompt.c: Prompt printing functions 4612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala */ 4712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala#include <stdio.h> 4812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala#include "el.h" 4912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 5012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprivate Char *prompt_default(EditLine *); 5112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprivate Char *prompt_default_r(EditLine *); 5212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 5312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/* prompt_default(): 5412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * Just a default prompt, in case the user did not provide one 5512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala */ 5612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprivate Char * 5712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/*ARGSUSED*/ 5812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprompt_default(EditLine *el __attribute__((__unused__))) 5912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala{ 6012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala static Char a[3] = {'?', ' ', '\0'}; 6112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 6212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala return a; 6312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala} 6412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 6512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 6612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/* prompt_default_r(): 6712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * Just a default rprompt, in case the user did not provide one 6812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala */ 6912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprivate Char * 7012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/*ARGSUSED*/ 7112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprompt_default_r(EditLine *el __attribute__((__unused__))) 7212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala{ 7312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala static Char a[1] = {'\0'}; 7412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 7512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala return a; 7612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala} 7712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 7812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 7912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/* prompt_print(): 8012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * Print the prompt and update the prompt position. 8112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala */ 8212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprotected void 8312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprompt_print(EditLine *el, int op) 8412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala{ 8512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala el_prompt_t *elp; 8612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala Char *p; 8712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala int ignore = 0; 8812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 8912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala if (op == EL_PROMPT) 9012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala elp = &el->el_prompt; 9112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala else 9212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala elp = &el->el_rprompt; 9312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 9412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala if (elp->p_wide) 9512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p = (*elp->p_func)(el); 9612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala else 9712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p = ct_decode_string((char *)(void *)(*elp->p_func)(el), 9812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala &el->el_scratch); 9912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 10012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala for (; *p; p++) { 10112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala if (elp->p_ignore == *p) { 10212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala ignore = !ignore; 10312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala continue; 10412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala } 10512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala if (ignore) 10612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala terminal__putc(el, *p); 10712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala else 10812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala re_putc(el, *p, 1); 10912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala } 11012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 11112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala elp->p_pos.v = el->el_refresh.r_cursor.v; 11212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala elp->p_pos.h = el->el_refresh.r_cursor.h; 11312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala} 11412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 11512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 11612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/* prompt_init(): 11712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * Initialize the prompt stuff 11812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala */ 11912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprotected int 12012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprompt_init(EditLine *el) 12112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala{ 12212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 12312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala el->el_prompt.p_func = prompt_default; 12412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala el->el_prompt.p_pos.v = 0; 12512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala el->el_prompt.p_pos.h = 0; 12612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala el->el_prompt.p_ignore = '\0'; 12712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala el->el_rprompt.p_func = prompt_default_r; 12812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala el->el_rprompt.p_pos.v = 0; 12912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala el->el_rprompt.p_pos.h = 0; 13012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala el->el_rprompt.p_ignore = '\0'; 13112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala return 0; 13212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala} 13312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 13412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 13512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/* prompt_end(): 13612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * Clean up the prompt stuff 13712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala */ 13812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprotected void 13912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/*ARGSUSED*/ 14012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprompt_end(EditLine *el __attribute__((__unused__))) 14112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala{ 14212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala} 14312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 14412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 14512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/* prompt_set(): 14612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * Install a prompt printing function 14712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala */ 14812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprotected int 14912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprompt_set(EditLine *el, el_pfunc_t prf, Char c, int op, int wide) 15012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala{ 15112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala el_prompt_t *p; 15212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 15312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala if (op == EL_PROMPT || op == EL_PROMPT_ESC) 15412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p = &el->el_prompt; 15512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala else 15612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p = &el->el_rprompt; 15712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 15812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala if (prf == NULL) { 15912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala if (op == EL_PROMPT || op == EL_PROMPT_ESC) 16012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p->p_func = prompt_default; 16112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala else 16212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p->p_func = prompt_default_r; 16312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala } else { 16412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p->p_func = prf; 16512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala } 16612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 16712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p->p_ignore = c; 16812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 16912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p->p_pos.v = 0; 17012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p->p_pos.h = 0; 17112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p->p_wide = wide; 17212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 17312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala return 0; 17412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala} 17512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 17612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 17712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala/* prompt_get(): 17812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala * Retrieve the prompt printing function 17912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala */ 18012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprotected int 18112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fialaprompt_get(EditLine *el, el_pfunc_t *prf, Char *c, int op) 18212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala{ 18312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala el_prompt_t *p; 18412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 18512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala if (prf == NULL) 18612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala return -1; 18712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 18812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala if (op == EL_PROMPT) 18912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p = &el->el_prompt; 19012e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala else 19112e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala p = &el->el_rprompt; 19212e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 19312e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala if (prf) 19412e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala *prf = p->p_func; 19512e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala if (c) 19612e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala *c = p->p_ignore; 19712e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala 19812e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala return 0; 19912e21689bc88a77c7b5b9b220fec31e049e5ec0fTodd Fiala} 200