tc1.c revision 1573
1311128Sdim/*- 2311128Sdim * Copyright (c) 1992, 1993 3311128Sdim * The Regents of the University of California. All rights reserved. 4311128Sdim * 5311128Sdim * This code is derived from software contributed to Berkeley by 6311128Sdim * Christos Zoulas of Cornell University. 7311128Sdim * 8311128Sdim * Redistribution and use in source and binary forms, with or without 9311128Sdim * modification, are permitted provided that the following conditions 10311128Sdim * are met: 11311128Sdim * 1. Redistributions of source code must retain the above copyright 12311128Sdim * notice, this list of conditions and the following disclaimer. 13311128Sdim * 2. Redistributions in binary form must reproduce the above copyright 14311128Sdim * notice, this list of conditions and the following disclaimer in the 15311128Sdim * documentation and/or other materials provided with the distribution. 16311128Sdim * 3. All advertising materials mentioning features or use of this software 17311128Sdim * must display the following acknowledgement: 18311128Sdim * This product includes software developed by the University of 19311128Sdim * California, Berkeley and its contributors. 20311128Sdim * 4. Neither the name of the University nor the names of its contributors 21311128Sdim * may be used to endorse or promote products derived from this software 22311128Sdim * without specific prior written permission. 23321369Sdim * 24321369Sdim * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25321369Sdim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26311128Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27311128Sdim * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28311128Sdim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29311128Sdim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30311128Sdim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31311128Sdim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32311128Sdim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33311128Sdim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34311128Sdim * SUCH DAMAGE. 35311128Sdim */ 36311128Sdim 37311128Sdim#ifndef lint 38311128Sdimstatic char copyright[] = 39311128Sdim"@(#) Copyright (c) 1992, 1993\n\ 40311128Sdim The Regents of the University of California. All rights reserved.\n"; 41311128Sdim#endif /* not lint */ 42311128Sdim 43311128Sdim#if !defined(lint) && !defined(SCCSID) 44311128Sdimstatic char sccsid[] = "@(#)test.c 8.1 (Berkeley) 6/4/93"; 45311128Sdim#endif /* not lint && not SCCSID */ 46311128Sdim 47311128Sdim/* 48311128Sdim * test.c: A little test program 49311128Sdim */ 50311128Sdim#include "sys.h" 51311128Sdim#include <stdio.h> 52311128Sdim#include <string.h> 53311128Sdim#include <signal.h> 54311128Sdim#include <sys/wait.h> 55311128Sdim#include <ctype.h> 56311128Sdim#include <stdlib.h> 57311128Sdim#include <unistd.h> 58311128Sdim#include <dirent.h> 59311128Sdim 60311128Sdim#include "histedit.h" 61311128Sdim#include "tokenizer.h" 62311128Sdim 63311128Sdimstatic int continuation = 0; 64311128Sdimstatic EditLine *el = NULL; 65311128Sdim 66311128Sdimstatic char * 67311128Sdim/*ARGSUSED*/ 68311128Sdimprompt(el) 69311128Sdim EditLine *el; 70311128Sdim{ 71311128Sdim static char a[] = "Edit$"; 72311128Sdim static char b[] = "Edit>"; 73311128Sdim return continuation ? b : a; 74311128Sdim} 75311128Sdim 76311128Sdimstatic void 77311128Sdimsig(i) 78311128Sdim int i; 79311128Sdim{ 80311128Sdim (void) fprintf(stderr, "Got signal %d.\n", i); 81311128Sdim el_reset(el); 82311128Sdim} 83311128Sdim 84311128Sdimstatic unsigned char 85311128Sdim/*ARGSUSED*/ 86311128Sdimcomplete(el, ch) 87311128Sdim EditLine *el; 88311128Sdim int ch; 89311128Sdim{ 90311128Sdim DIR *dd = opendir("."); 91311128Sdim struct dirent *dp; 92311128Sdim const char* ptr; 93311128Sdim const LineInfo *lf = el_line(el); 94311128Sdim int len; 95311128Sdim 96311128Sdim /* 97311128Sdim * Find the last word 98311128Sdim */ 99311128Sdim for (ptr = lf->cursor - 1; !isspace(*ptr) && ptr > lf->buffer; ptr--) 100311128Sdim continue; 101311128Sdim len = lf->cursor - ++ptr; 102311128Sdim 103311128Sdim for (dp = readdir(dd); dp != NULL; dp = readdir(dd)) { 104311128Sdim if (len > strlen(dp->d_name)) 105311128Sdim continue; 106311128Sdim if (strncmp(dp->d_name, ptr, len) == 0) { 107311128Sdim closedir(dd); 108311128Sdim if (el_insertstr(el, &dp->d_name[len]) == -1) 109311128Sdim return CC_ERROR; 110311128Sdim else 111311128Sdim return CC_REFRESH; 112311128Sdim } 113311128Sdim } 114311128Sdim 115311128Sdim closedir(dd); 116311128Sdim return CC_ERROR; 117311128Sdim} 118311128Sdim 119311128Sdimint 120311128Sdim/*ARGSUSED*/ 121311128Sdimmain(argc, argv) 122311128Sdim int argc; 123311128Sdim char *argv[]; 124311128Sdim{ 125311128Sdim int num; 126311128Sdim const char *buf; 127311128Sdim Tokenizer *tok; 128311128Sdim History *hist; 129311128Sdim 130311128Sdim (void) signal(SIGINT, sig); 131311128Sdim (void) signal(SIGQUIT, sig); 132311128Sdim (void) signal(SIGHUP, sig); 133311128Sdim (void) signal(SIGTERM, sig); 134311128Sdim 135311128Sdim hist = history_init(); /* Init the builtin history */ 136311128Sdim history(hist, H_EVENT, 100); /* Remember 100 events */ 137311128Sdim 138311128Sdim tok = tok_init(NULL); /* Initialize the tokenizer */ 139311128Sdim 140311128Sdim el = el_init(*argv, stdin, stdout); /* Initialize editline */ 141311128Sdim 142311128Sdim el_set(el, EL_EDITOR, "vi"); /* Default editor is vi */ 143311128Sdim el_set(el, EL_SIGNAL, 1); /* Handle signals gracefully */ 144311128Sdim el_set(el, EL_PROMPT, prompt); /* Set the prompt function */ 145311128Sdim 146311128Sdim /* Tell editline to use this history interface */ 147311128Sdim el_set(el, EL_HIST, history, hist); 148311128Sdim 149311128Sdim /* Add a user-defined function */ 150311128Sdim el_set(el, EL_ADDFN, "ed-complete", "Complete argument", complete); 151311128Sdim 152311128Sdim el_set(el, EL_BIND, "^I", "ed-complete", NULL);/* Bind tab to it */ 153311128Sdim 154311128Sdim /* 155311128Sdim * Bind j, k in vi command mode to previous and next line, instead 156311128Sdim * of previous and next history. 157311128Sdim */ 158311128Sdim el_set(el, EL_BIND, "-a", "k", "ed-prev-line", NULL); 159311128Sdim el_set(el, EL_BIND, "-a", "j", "ed-next-line", NULL); 160311128Sdim 161311128Sdim /* 162311128Sdim * Source the user's defaults file. 163311128Sdim */ 164311128Sdim el_source(el, NULL); 165311128Sdim 166311128Sdim while ((buf = el_gets(el, &num)) != NULL && num != 0) { 167311128Sdim int ac; 168311128Sdim char **av; 169311128Sdim#ifdef DEBUG 170311128Sdim (void) fprintf(stderr, "got %d %s", num, buf); 171311128Sdim#endif 172311128Sdim if (!continuation && num == 1) 173311128Sdim continue; 174311128Sdim if (tok_line(tok, buf, &ac, &av) > 0) { 175311128Sdim history(hist, continuation ? H_ADD : H_ENTER, buf); 176311128Sdim continuation = 1; 177311128Sdim continue; 178311128Sdim } 179311128Sdim history(hist, continuation ? H_ADD : H_ENTER, buf); 180311128Sdim 181311128Sdim continuation = 0; 182311128Sdim if (el_parse(el, ac, av) != -1) { 183311128Sdim tok_reset(tok); 184311128Sdim continue; 185311128Sdim } 186311128Sdim 187311128Sdim switch (fork()) { 188311128Sdim case 0: 189311128Sdim execvp(av[0], av); 190311128Sdim perror(av[0]); 191311128Sdim _exit(1); 192311128Sdim /*NOTREACHED*/ 193311128Sdim break; 194311128Sdim 195311128Sdim case -1: 196311128Sdim perror("fork"); 197311128Sdim break; 198311128Sdim 199311128Sdim default: 200311128Sdim if (wait(&num) == -1) 201311128Sdim perror("wait"); 202311128Sdim (void) fprintf(stderr, "Exit %x\n", num); 203311128Sdim break; 204311128Sdim } 205311128Sdim tok_reset(tok); 206311128Sdim } 207311128Sdim 208311128Sdim el_end(el); 209311128Sdim tok_end(tok); 210311128Sdim history_end(hist); 211311128Sdim 212311128Sdim return 0; 213311128Sdim} 214311128Sdim