Date: Thu, 31 Mar 2011 01:14:06 +0000 (UTC) From: "David E. O'Brien" <obrien@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r220179 - in vendor/NetBSD/libedit/2005-08-02: . TEST readline Message-ID: <201103310114.p2V1E6Zo086675@svn.freebsd.org>
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Author: obrien Date: Thu Mar 31 01:14:06 2011 New Revision: 220179 URL: http://svn.freebsd.org/changeset/base/220179 Log: "Tag" the "2005/08/02 12:11:14 UTC" import. Added: vendor/NetBSD/libedit/2005-08-02/ - copied from r220176, vendor/NetBSD/libedit/dist/ vendor/NetBSD/libedit/2005-08-02/TEST/Makefile - copied unchanged from r220178, vendor/NetBSD/libedit/dist/TEST/Makefile vendor/NetBSD/libedit/2005-08-02/config.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/config.h vendor/NetBSD/libedit/2005-08-02/filecomplete.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/filecomplete.c vendor/NetBSD/libedit/2005-08-02/filecomplete.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/filecomplete.h Replaced: vendor/NetBSD/libedit/2005-08-02/Makefile - copied unchanged from r220178, vendor/NetBSD/libedit/dist/Makefile vendor/NetBSD/libedit/2005-08-02/TEST/test.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/TEST/test.c vendor/NetBSD/libedit/2005-08-02/chared.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/chared.c vendor/NetBSD/libedit/2005-08-02/chared.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/chared.h vendor/NetBSD/libedit/2005-08-02/common.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/common.c vendor/NetBSD/libedit/2005-08-02/editline.3 - copied unchanged from r220178, vendor/NetBSD/libedit/dist/editline.3 vendor/NetBSD/libedit/2005-08-02/editrc.5 - copied unchanged from r220178, vendor/NetBSD/libedit/dist/editrc.5 vendor/NetBSD/libedit/2005-08-02/el.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/el.c vendor/NetBSD/libedit/2005-08-02/el.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/el.h vendor/NetBSD/libedit/2005-08-02/emacs.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/emacs.c vendor/NetBSD/libedit/2005-08-02/hist.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/hist.c vendor/NetBSD/libedit/2005-08-02/hist.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/hist.h vendor/NetBSD/libedit/2005-08-02/histedit.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/histedit.h vendor/NetBSD/libedit/2005-08-02/history.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/history.c vendor/NetBSD/libedit/2005-08-02/key.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/key.c vendor/NetBSD/libedit/2005-08-02/key.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/key.h vendor/NetBSD/libedit/2005-08-02/makelist - copied unchanged from r220178, vendor/NetBSD/libedit/dist/makelist vendor/NetBSD/libedit/2005-08-02/map.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/map.c vendor/NetBSD/libedit/2005-08-02/map.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/map.h vendor/NetBSD/libedit/2005-08-02/parse.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/parse.c vendor/NetBSD/libedit/2005-08-02/parse.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/parse.h vendor/NetBSD/libedit/2005-08-02/prompt.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/prompt.c vendor/NetBSD/libedit/2005-08-02/prompt.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/prompt.h vendor/NetBSD/libedit/2005-08-02/read.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/read.c vendor/NetBSD/libedit/2005-08-02/read.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/read.h vendor/NetBSD/libedit/2005-08-02/readline.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/readline.c vendor/NetBSD/libedit/2005-08-02/readline/Makefile - copied unchanged from r220178, vendor/NetBSD/libedit/dist/readline/Makefile vendor/NetBSD/libedit/2005-08-02/readline/readline.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/readline/readline.h vendor/NetBSD/libedit/2005-08-02/refresh.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/refresh.c vendor/NetBSD/libedit/2005-08-02/refresh.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/refresh.h vendor/NetBSD/libedit/2005-08-02/search.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/search.c vendor/NetBSD/libedit/2005-08-02/search.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/search.h vendor/NetBSD/libedit/2005-08-02/shlib_version - copied unchanged from r220178, vendor/NetBSD/libedit/dist/shlib_version vendor/NetBSD/libedit/2005-08-02/sig.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/sig.c vendor/NetBSD/libedit/2005-08-02/sig.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/sig.h vendor/NetBSD/libedit/2005-08-02/sys.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/sys.h vendor/NetBSD/libedit/2005-08-02/term.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/term.c vendor/NetBSD/libedit/2005-08-02/term.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/term.h vendor/NetBSD/libedit/2005-08-02/tokenizer.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/tokenizer.c vendor/NetBSD/libedit/2005-08-02/tty.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/tty.c vendor/NetBSD/libedit/2005-08-02/tty.h - copied unchanged from r220178, vendor/NetBSD/libedit/dist/tty.h vendor/NetBSD/libedit/2005-08-02/vi.c - copied unchanged from r220178, vendor/NetBSD/libedit/dist/vi.c Deleted: vendor/NetBSD/libedit/2005-08-02/tokenizer.h Copied: vendor/NetBSD/libedit/2005-08-02/Makefile (from r220178, vendor/NetBSD/libedit/dist/Makefile) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/NetBSD/libedit/2005-08-02/Makefile Thu Mar 31 01:14:06 2011 (r220179, copy of r220178, vendor/NetBSD/libedit/dist/Makefile) @@ -0,0 +1,104 @@ +# $NetBSD: Makefile,v 1.34 2005/05/28 12:02:53 lukem Exp $ +# @(#)Makefile 8.1 (Berkeley) 6/4/93 + +USE_SHLIBDIR= yes + +WARNS= 3 +LIB= edit + +LIBDPLIBS= termcap ${.CURDIR}/../libterm + +OSRCS= chared.c common.c el.c emacs.c fcns.c filecomplete.c help.c hist.c \ + key.c map.c \ + parse.c prompt.c read.c refresh.c search.c sig.c term.c tty.c vi.c + +MAN= editline.3 editrc.5 + +MLINKS= editline.3 el_init.3 editline.3 el_end.3 editline.3 el_reset.3 \ + editline.3 el_gets.3 editline.3 el_getc.3 editline.3 el_push.3 \ + editline.3 el_parse.3 editline.3 el_set.3 editline.3 el_get.3 \ + editline.3 el_source.3 editline.3 el_resize.3 editline.3 el_line.3 \ + editline.3 el_insertstr.3 editline.3 el_deletestr.3 \ + editline.3 history_init.3 editline.3 history_end.3 \ + editline.3 history.3 \ + editline.3 tok_init.3 editline.3 tok_end.3 editline.3 tok_reset.3 \ + editline.3 tok_line.3 editline.3 tok_str.3 + +# For speed and debugging +#SRCS= ${OSRCS} tokenizer.c history.c readline.c +# For protection +SRCS= editline.c tokenizer.c history.c readline.c + +LIBEDITDIR?=${.CURDIR} + +INCS= histedit.h +INCSDIR=/usr/include + +CLEANFILES+=editline.c +CLEANFILES+=common.h.tmp editline.c.tmp emacs.h.tmp fcns.c.tmp fcns.h.tmp +CLEANFILES+=help.c.tmp help.h.tmp vi.h.tmp +CLEANFILES+=test.o test +CPPFLAGS+=-I. -I${LIBEDITDIR} +CPPFLAGS+=-I. -I${.CURDIR} +CPPFLAGS+=#-DDEBUG_TTY -DDEBUG_KEY -DDEBUG_READ -DDEBUG -DDEBUG_REFRESH +CPPFLAGS+=#-DDEBUG_PASTE -DDEBUG_EDIT + +AHDR=vi.h emacs.h common.h +ASRC=${LIBEDITDIR}/vi.c ${LIBEDITDIR}/emacs.c ${LIBEDITDIR}/common.c + +DPSRCS+= ${AHDR} fcns.h help.h fcns.c help.c +CLEANFILES+= ${AHDR} fcns.h help.h fcns.c help.c + +SUBDIR= readline + +vi.h: vi.c makelist Makefile + ${_MKTARGET_CREATE} + ${HOST_SH} ${LIBEDITDIR}/makelist -h ${LIBEDITDIR}/vi.c \ + > ${.TARGET}.tmp && \ + mv ${.TARGET}.tmp ${.TARGET} + +emacs.h: emacs.c makelist Makefile + ${_MKTARGET_CREATE} + ${HOST_SH} ${LIBEDITDIR}/makelist -h ${LIBEDITDIR}/emacs.c \ + > ${.TARGET}.tmp && \ + mv ${.TARGET}.tmp ${.TARGET} + +common.h: common.c makelist Makefile + ${_MKTARGET_CREATE} + ${HOST_SH} ${LIBEDITDIR}/makelist -h ${LIBEDITDIR}/common.c \ + > ${.TARGET}.tmp && \ + mv ${.TARGET}.tmp ${.TARGET} + +fcns.h: ${AHDR} makelist Makefile + ${_MKTARGET_CREATE} + ${HOST_SH} ${LIBEDITDIR}/makelist -fh ${AHDR} > ${.TARGET}.tmp && \ + mv ${.TARGET}.tmp ${.TARGET} + +fcns.c: ${AHDR} fcns.h help.h makelist Makefile + ${_MKTARGET_CREATE} + ${HOST_SH} ${LIBEDITDIR}/makelist -fc ${AHDR} > ${.TARGET}.tmp && \ + mv ${.TARGET}.tmp ${.TARGET} + +help.c: ${ASRC} makelist Makefile + ${_MKTARGET_CREATE} + ${HOST_SH} ${LIBEDITDIR}/makelist -bc ${ASRC} > ${.TARGET}.tmp && \ + mv ${.TARGET}.tmp ${.TARGET} + +help.h: ${ASRC} makelist Makefile + ${_MKTARGET_CREATE} + ${HOST_SH} ${LIBEDITDIR}/makelist -bh ${ASRC} > ${.TARGET}.tmp && \ + mv ${.TARGET}.tmp ${.TARGET} + +editline.c: ${OSRCS} makelist Makefile + ${_MKTARGET_CREATE} + ${HOST_SH} ${LIBEDITDIR}/makelist -e ${OSRCS:T} > ${.TARGET}.tmp && \ + mv ${.TARGET}.tmp ${.TARGET} + +test.o: ${LIBEDITDIR}/TEST/test.c + +test: libedit.a test.o + ${_MKTARGET_LINK} + ${CC} ${LDFLAGS} ${.ALLSRC} -o ${.TARGET} libedit.a ${LDADD} -ltermcap + +.include <bsd.lib.mk> +.include <bsd.subdir.mk> Copied: vendor/NetBSD/libedit/2005-08-02/TEST/Makefile (from r220178, vendor/NetBSD/libedit/dist/TEST/Makefile) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/NetBSD/libedit/2005-08-02/TEST/Makefile Thu Mar 31 01:14:06 2011 (r220179, copy of r220178, vendor/NetBSD/libedit/dist/TEST/Makefile) @@ -0,0 +1,13 @@ +# $NetBSD: Makefile,v 1.2 2003/12/05 13:37:48 lukem Exp $ + +NOMAN=1 +PROG=test +CPPFLAGS=-I${.CURDIR}/.. +LDADD+=-ledit -ltermcap +DPADD+=${LIBEDIT} ${LIBTERMCAP} + +.ifdef DEBUG +CPPFLAGS+=-DDEBUG +.endif + +.include <bsd.prog.mk> Copied: vendor/NetBSD/libedit/2005-08-02/TEST/test.c (from r220178, vendor/NetBSD/libedit/dist/TEST/test.c) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/NetBSD/libedit/2005-08-02/TEST/test.c Thu Mar 31 01:14:06 2011 (r220179, copy of r220178, vendor/NetBSD/libedit/dist/TEST/test.c) @@ -0,0 +1,301 @@ +/* $NetBSD: test.c,v 1.18 2005/06/01 11:37:52 lukem Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Christos Zoulas of Cornell University. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "config.h" +#ifndef lint +__COPYRIGHT("@(#) Copyright (c) 1992, 1993\n\ + The Regents of the University of California. All rights reserved.\n"); +#endif /* not lint */ + +#if !defined(lint) && !defined(SCCSID) +#if 0 +static char sccsid[] = "@(#)test.c 8.1 (Berkeley) 6/4/93"; +#else +__RCSID("$NetBSD: test.c,v 1.18 2005/06/01 11:37:52 lukem Exp $"); +#endif +#endif /* not lint && not SCCSID */ + +/* + * test.c: A little test program + */ +#include <stdio.h> +#include <string.h> +#include <signal.h> +#include <sys/wait.h> +#include <ctype.h> +#include <stdlib.h> +#include <unistd.h> +#include <dirent.h> + +#include "histedit.h" + +static int continuation = 0; +volatile sig_atomic_t gotsig = 0; + +static unsigned char complete(EditLine *, int); + int main(int, char **); +static char *prompt(EditLine *); +static void sig(int); + +static char * +prompt(EditLine *el) +{ + static char a[] = "Edit$ "; + static char b[] = "Edit> "; + + return (continuation ? b : a); +} + +static void +sig(int i) +{ + gotsig = i; +} + +static unsigned char +complete(EditLine *el, int ch) +{ + DIR *dd = opendir("."); + struct dirent *dp; + const char* ptr; + const LineInfo *lf = el_line(el); + int len; + + /* + * Find the last word + */ + for (ptr = lf->cursor - 1; + !isspace((unsigned char)*ptr) && ptr > lf->buffer; ptr--) + continue; + len = lf->cursor - ++ptr; + + for (dp = readdir(dd); dp != NULL; dp = readdir(dd)) { + if (len > strlen(dp->d_name)) + continue; + if (strncmp(dp->d_name, ptr, len) == 0) { + closedir(dd); + if (el_insertstr(el, &dp->d_name[len]) == -1) + return (CC_ERROR); + else + return (CC_REFRESH); + } + } + + closedir(dd); + return (CC_ERROR); +} + +int +main(int argc, char *argv[]) +{ + EditLine *el = NULL; + int num; + const char *buf; + Tokenizer *tok; +#if 0 + int lastevent = 0; +#endif + int ncontinuation; + History *hist; + HistEvent ev; + + (void) signal(SIGINT, sig); + (void) signal(SIGQUIT, sig); + (void) signal(SIGHUP, sig); + (void) signal(SIGTERM, sig); + + hist = history_init(); /* Init the builtin history */ + /* Remember 100 events */ + history(hist, &ev, H_SETSIZE, 100); + + tok = tok_init(NULL); /* Initialize the tokenizer */ + + /* Initialize editline */ + el = el_init(*argv, stdin, stdout, stderr); + + el_set(el, EL_EDITOR, "vi"); /* Default editor is vi */ + el_set(el, EL_SIGNAL, 1); /* Handle signals gracefully */ + el_set(el, EL_PROMPT, prompt); /* Set the prompt function */ + + /* Tell editline to use this history interface */ + el_set(el, EL_HIST, history, hist); + + /* Add a user-defined function */ + el_set(el, EL_ADDFN, "ed-complete", "Complete argument", complete); + + /* Bind tab to it */ + el_set(el, EL_BIND, "^I", "ed-complete", NULL); + + /* + * Bind j, k in vi command mode to previous and next line, instead + * of previous and next history. + */ + el_set(el, EL_BIND, "-a", "k", "ed-prev-line", NULL); + el_set(el, EL_BIND, "-a", "j", "ed-next-line", NULL); + + /* + * Source the user's defaults file. + */ + el_source(el, NULL); + + while ((buf = el_gets(el, &num)) != NULL && num != 0) { + int ac, cc, co; +#ifdef DEBUG + int i; +#endif + const char **av; + const LineInfo *li; + li = el_line(el); +#ifdef DEBUG + (void) fprintf(stderr, "==> got %d %s", num, buf); + (void) fprintf(stderr, " > li `%.*s_%.*s'\n", + (li->cursor - li->buffer), li->buffer, + (li->lastchar - 1 - li->cursor), + (li->cursor >= li->lastchar) ? "" : li->cursor); + +#endif + if (gotsig) { + (void) fprintf(stderr, "Got signal %d.\n", gotsig); + gotsig = 0; + el_reset(el); + } + + if (!continuation && num == 1) + continue; + + ac = cc = co = 0; + ncontinuation = tok_line(tok, li, &ac, &av, &cc, &co); + if (ncontinuation < 0) { + (void) fprintf(stderr, "Internal error\n"); + continuation = 0; + continue; + } +#ifdef DEBUG + (void) fprintf(stderr, " > nc %d ac %d cc %d co %d\n", + ncontinuation, ac, cc, co); +#endif +#if 0 + if (continuation) { + /* + * Append to the right event in case the user + * moved around in history. + */ + if (history(hist, &ev, H_SET, lastevent) == -1) + err(1, "%d: %s", lastevent, ev.str); + history(hist, &ev, H_ADD , buf); + } else { + history(hist, &ev, H_ENTER, buf); + lastevent = ev.num; + } +#else + /* Simpler */ + history(hist, &ev, continuation ? H_APPEND : H_ENTER, buf); +#endif + + continuation = ncontinuation; + ncontinuation = 0; + if (continuation) + continue; +#ifdef DEBUG + for (i = 0; i < ac; i++) { + (void) fprintf(stderr, " > arg# %2d ", i); + if (i != cc) + (void) fprintf(stderr, "`%s'\n", av[i]); + else + (void) fprintf(stderr, "`%.*s_%s'\n", + co, av[i], av[i] + co); + } +#endif + + if (strcmp(av[0], "history") == 0) { + int rv; + + switch (ac) { + case 1: + for (rv = history(hist, &ev, H_LAST); rv != -1; + rv = history(hist, &ev, H_PREV)) + (void) fprintf(stdout, "%4d %s", + ev.num, ev.str); + break; + + case 2: + if (strcmp(av[1], "clear") == 0) + history(hist, &ev, H_CLEAR); + else + goto badhist; + break; + + case 3: + if (strcmp(av[1], "load") == 0) + history(hist, &ev, H_LOAD, av[2]); + else if (strcmp(av[1], "save") == 0) + history(hist, &ev, H_SAVE, av[2]); + break; + + badhist: + default: + (void) fprintf(stderr, + "Bad history arguments\n"); + break; + } + } else if (el_parse(el, ac, av) == -1) { + switch (fork()) { + case 0: + execvp(av[0], (char *const *)__UNCONST(av)); + perror(av[0]); + _exit(1); + /*NOTREACHED*/ + break; + + case -1: + perror("fork"); + break; + + default: + if (wait(&num) == -1) + perror("wait"); + (void) fprintf(stderr, "Exit %x\n", num); + break; + } + } + + tok_reset(tok); + } + + el_end(el); + tok_end(tok); + history_end(hist); + + return (0); +} Copied: vendor/NetBSD/libedit/2005-08-02/chared.c (from r220178, vendor/NetBSD/libedit/dist/chared.c) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/NetBSD/libedit/2005-08-02/chared.c Thu Mar 31 01:14:06 2011 (r220179, copy of r220178, vendor/NetBSD/libedit/dist/chared.c) @@ -0,0 +1,775 @@ +/* $NetBSD: chared.c,v 1.24 2005/08/01 23:00:15 christos Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Christos Zoulas of Cornell University. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "config.h" +#if !defined(lint) && !defined(SCCSID) +#if 0 +static char sccsid[] = "@(#)chared.c 8.1 (Berkeley) 6/4/93"; +#else +__RCSID("$NetBSD: chared.c,v 1.24 2005/08/01 23:00:15 christos Exp $"); +#endif +#endif /* not lint && not SCCSID */ + +/* + * chared.c: Character editor utilities + */ +#include <stdlib.h> +#include "el.h" + +private void ch__clearmacro __P((EditLine *)); + +/* value to leave unused in line buffer */ +#define EL_LEAVE 2 + +/* cv_undo(): + * Handle state for the vi undo command + */ +protected void +cv_undo(EditLine *el) +{ + c_undo_t *vu = &el->el_chared.c_undo; + c_redo_t *r = &el->el_chared.c_redo; + unsigned int size; + + /* Save entire line for undo */ + size = el->el_line.lastchar - el->el_line.buffer; + vu->len = size; + vu->cursor = el->el_line.cursor - el->el_line.buffer; + memcpy(vu->buf, el->el_line.buffer, size); + + /* save command info for redo */ + r->count = el->el_state.doingarg ? el->el_state.argument : 0; + r->action = el->el_chared.c_vcmd.action; + r->pos = r->buf; + r->cmd = el->el_state.thiscmd; + r->ch = el->el_state.thisch; +} + +/* cv_yank(): + * Save yank/delete data for paste + */ +protected void +cv_yank(EditLine *el, const char *ptr, int size) +{ + c_kill_t *k = &el->el_chared.c_kill; + + memcpy(k->buf, ptr, size +0u); + k->last = k->buf + size; +} + + +/* c_insert(): + * Insert num characters + */ +protected void +c_insert(EditLine *el, int num) +{ + char *cp; + + if (el->el_line.lastchar + num >= el->el_line.limit) { + if (!ch_enlargebufs(el, num +0u)) + return; /* can't go past end of buffer */ + } + + if (el->el_line.cursor < el->el_line.lastchar) { + /* if I must move chars */ + for (cp = el->el_line.lastchar; cp >= el->el_line.cursor; cp--) + cp[num] = *cp; + } + el->el_line.lastchar += num; +} + + +/* c_delafter(): + * Delete num characters after the cursor + */ +protected void +c_delafter(EditLine *el, int num) +{ + + if (el->el_line.cursor + num > el->el_line.lastchar) + num = el->el_line.lastchar - el->el_line.cursor; + + if (el->el_map.current != el->el_map.emacs) { + cv_undo(el); + cv_yank(el, el->el_line.cursor, num); + } + + if (num > 0) { + char *cp; + + for (cp = el->el_line.cursor; cp <= el->el_line.lastchar; cp++) + *cp = cp[num]; + + el->el_line.lastchar -= num; + } +} + + +/* c_delafter1(): + * Delete the character after the cursor, do not yank + */ +protected void +c_delafter1(EditLine *el) +{ + char *cp; + + for (cp = el->el_line.cursor; cp <= el->el_line.lastchar; cp++) + *cp = cp[1]; + + el->el_line.lastchar--; +} + + +/* c_delbefore(): + * Delete num characters before the cursor + */ +protected void +c_delbefore(EditLine *el, int num) +{ + + if (el->el_line.cursor - num < el->el_line.buffer) + num = el->el_line.cursor - el->el_line.buffer; + + if (el->el_map.current != el->el_map.emacs) { + cv_undo(el); + cv_yank(el, el->el_line.cursor - num, num); + } + + if (num > 0) { + char *cp; + + for (cp = el->el_line.cursor - num; + cp <= el->el_line.lastchar; + cp++) + *cp = cp[num]; + + el->el_line.lastchar -= num; + } +} + + +/* c_delbefore1(): + * Delete the character before the cursor, do not yank + */ +protected void +c_delbefore1(EditLine *el) +{ + char *cp; + + for (cp = el->el_line.cursor - 1; cp <= el->el_line.lastchar; cp++) + *cp = cp[1]; + + el->el_line.lastchar--; +} + + +/* ce__isword(): + * Return if p is part of a word according to emacs + */ +protected int +ce__isword(int p) +{ + return (isalnum(p) || strchr("*?_-.[]~=", p) != NULL); +} + + +/* cv__isword(): + * Return if p is part of a word according to vi + */ +protected int +cv__isword(int p) +{ + if (isalnum(p) || p == '_') + return 1; + if (isgraph(p)) + return 2; + return 0; +} + + +/* cv__isWord(): + * Return if p is part of a big word according to vi + */ +protected int +cv__isWord(int p) +{ + return (!isspace(p)); +} + + +/* c__prev_word(): + * Find the previous word + */ +protected char * +c__prev_word(char *p, char *low, int n, int (*wtest)(int)) +{ + p--; + + while (n--) { + while ((p >= low) && !(*wtest)((unsigned char) *p)) + p--; + while ((p >= low) && (*wtest)((unsigned char) *p)) + p--; + } + + /* cp now points to one character before the word */ + p++; + if (p < low) + p = low; + /* cp now points where we want it */ + return (p); +} + + +/* c__next_word(): + * Find the next word + */ +protected char * +c__next_word(char *p, char *high, int n, int (*wtest)(int)) +{ + while (n--) { + while ((p < high) && !(*wtest)((unsigned char) *p)) + p++; + while ((p < high) && (*wtest)((unsigned char) *p)) + p++; + } + if (p > high) + p = high; + /* p now points where we want it */ + return (p); +} + +/* cv_next_word(): + * Find the next word vi style + */ +protected char * +cv_next_word(EditLine *el, char *p, char *high, int n, int (*wtest)(int)) +{ + int test; + + while (n--) { + test = (*wtest)((unsigned char) *p); + while ((p < high) && (*wtest)((unsigned char) *p) == test) + p++; + /* + * vi historically deletes with cw only the word preserving the + * trailing whitespace! This is not what 'w' does.. + */ + if (n || el->el_chared.c_vcmd.action != (DELETE|INSERT)) + while ((p < high) && isspace((unsigned char) *p)) + p++; + } + + /* p now points where we want it */ + if (p > high) + return (high); + else + return (p); +} + + +/* cv_prev_word(): + * Find the previous word vi style + */ +protected char * +cv_prev_word(char *p, char *low, int n, int (*wtest)(int)) +{ + int test; + + p--; + while (n--) { + while ((p > low) && isspace((unsigned char) *p)) + p--; + test = (*wtest)((unsigned char) *p); + while ((p >= low) && (*wtest)((unsigned char) *p) == test) + p--; + } + p++; + + /* p now points where we want it */ + if (p < low) + return (low); + else + return (p); +} + + +#ifdef notdef +/* c__number(): + * Ignore character p points to, return number appearing after that. + * A '$' by itself means a big number; "$-" is for negative; '^' means 1. + * Return p pointing to last char used. + */ +protected char * +c__number( + char *p, /* character position */ + int *num, /* Return value */ + int dval) /* dval is the number to subtract from like $-3 */ +{ + int i; + int sign = 1; + + if (*++p == '^') { + *num = 1; + return (p); + } + if (*p == '$') { + if (*++p != '-') { + *num = 0x7fffffff; /* Handle $ */ + return (--p); + } + sign = -1; /* Handle $- */ + ++p; + } + for (i = 0; isdigit((unsigned char) *p); i = 10 * i + *p++ - '0') + continue; + *num = (sign < 0 ? dval - i : i); + return (--p); +} +#endif + +/* cv_delfini(): + * Finish vi delete action + */ +protected void +cv_delfini(EditLine *el) +{ + int size; + int action = el->el_chared.c_vcmd.action; + + if (action & INSERT) + el->el_map.current = el->el_map.key; + + if (el->el_chared.c_vcmd.pos == 0) + /* sanity */ + return; + + size = el->el_line.cursor - el->el_chared.c_vcmd.pos; + if (size == 0) + size = 1; + el->el_line.cursor = el->el_chared.c_vcmd.pos; + if (action & YANK) { + if (size > 0) + cv_yank(el, el->el_line.cursor, size); + else + cv_yank(el, el->el_line.cursor + size, -size); + } else { + if (size > 0) { + c_delafter(el, size); + re_refresh_cursor(el); + } else { + c_delbefore(el, -size); + el->el_line.cursor += size; + } + } + el->el_chared.c_vcmd.action = NOP; +} + + +#ifdef notdef +/* ce__endword(): + * Go to the end of this word according to emacs + */ +protected char * +ce__endword(char *p, char *high, int n) +{ + p++; + + while (n--) { + while ((p < high) && isspace((unsigned char) *p)) + p++; + while ((p < high) && !isspace((unsigned char) *p)) + p++; + } + + p--; + return (p); +} +#endif + + +/* cv__endword(): + * Go to the end of this word according to vi + */ +protected char * +cv__endword(char *p, char *high, int n, int (*wtest)(int)) +{ + int test; + + p++; + + while (n--) { + while ((p < high) && isspace((unsigned char) *p)) + p++; + + test = (*wtest)((unsigned char) *p); + while ((p < high) && (*wtest)((unsigned char) *p) == test) + p++; + } + p--; + return (p); +} + +/* ch_init(): + * Initialize the character editor + */ +protected int +ch_init(EditLine *el) +{ + c_macro_t *ma = &el->el_chared.c_macro; + + el->el_line.buffer = (char *) el_malloc(EL_BUFSIZ); + if (el->el_line.buffer == NULL) + return (-1); + + (void) memset(el->el_line.buffer, 0, EL_BUFSIZ); + el->el_line.cursor = el->el_line.buffer; + el->el_line.lastchar = el->el_line.buffer; + el->el_line.limit = &el->el_line.buffer[EL_BUFSIZ - EL_LEAVE]; + + el->el_chared.c_undo.buf = (char *) el_malloc(EL_BUFSIZ); + if (el->el_chared.c_undo.buf == NULL) + return (-1); + (void) memset(el->el_chared.c_undo.buf, 0, EL_BUFSIZ); + el->el_chared.c_undo.len = -1; + el->el_chared.c_undo.cursor = 0; + el->el_chared.c_redo.buf = (char *) el_malloc(EL_BUFSIZ); + if (el->el_chared.c_redo.buf == NULL) + return (-1); + el->el_chared.c_redo.pos = el->el_chared.c_redo.buf; + el->el_chared.c_redo.lim = el->el_chared.c_redo.buf + EL_BUFSIZ; + el->el_chared.c_redo.cmd = ED_UNASSIGNED; + + el->el_chared.c_vcmd.action = NOP; + el->el_chared.c_vcmd.pos = el->el_line.buffer; + + el->el_chared.c_kill.buf = (char *) el_malloc(EL_BUFSIZ); + if (el->el_chared.c_kill.buf == NULL) + return (-1); + (void) memset(el->el_chared.c_kill.buf, 0, EL_BUFSIZ); + el->el_chared.c_kill.mark = el->el_line.buffer; + el->el_chared.c_kill.last = el->el_chared.c_kill.buf; + + el->el_map.current = el->el_map.key; + + el->el_state.inputmode = MODE_INSERT; /* XXX: save a default */ + el->el_state.doingarg = 0; + el->el_state.metanext = 0; + el->el_state.argument = 1; + el->el_state.lastcmd = ED_UNASSIGNED; + + ma->level = -1; + ma->offset = 0; + ma->macro = (char **) el_malloc(EL_MAXMACRO * sizeof(char *)); + if (ma->macro == NULL) + return (-1); + return (0); +} + +/* ch_reset(): + * Reset the character editor + */ +protected void +ch_reset(EditLine *el, int mclear) +{ + el->el_line.cursor = el->el_line.buffer; + el->el_line.lastchar = el->el_line.buffer; + + el->el_chared.c_undo.len = -1; + el->el_chared.c_undo.cursor = 0; + + el->el_chared.c_vcmd.action = NOP; + el->el_chared.c_vcmd.pos = el->el_line.buffer; + + el->el_chared.c_kill.mark = el->el_line.buffer; + + el->el_map.current = el->el_map.key; + + el->el_state.inputmode = MODE_INSERT; /* XXX: save a default */ + el->el_state.doingarg = 0; + el->el_state.metanext = 0; + el->el_state.argument = 1; + el->el_state.lastcmd = ED_UNASSIGNED; + + if (mclear) + ch__clearmacro(el); +} + +private void +ch__clearmacro(el) + EditLine *el; +{ + c_macro_t *ma = &el->el_chared.c_macro; + while (ma->level >= 0) + el_free((ptr_t)ma->macro[ma->level--]); +} + +/* ch_enlargebufs(): + * Enlarge line buffer to be able to hold twice as much characters. + * Returns 1 if successful, 0 if not. + */ +protected int +ch_enlargebufs(el, addlen) + EditLine *el; + size_t addlen; +{ + size_t sz, newsz; + char *newbuffer, *oldbuf, *oldkbuf; + + sz = el->el_line.limit - el->el_line.buffer + EL_LEAVE; + newsz = sz * 2; + /* + * If newly required length is longer than current buffer, we need + * to make the buffer big enough to hold both old and new stuff. + */ + if (addlen > sz) { + while(newsz - sz < addlen) + newsz *= 2; + } + + /* + * Reallocate line buffer. + */ + newbuffer = el_realloc(el->el_line.buffer, newsz); + if (!newbuffer) + return 0; + + /* zero the newly added memory, leave old data in */ + (void) memset(&newbuffer[sz], 0, newsz - sz); *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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