/*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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. */ #ifndef lint static char sccsid[] = "@(#)v_search.c 8.1 (Berkeley) 6/9/93"; #endif /* not lint */ #include <sys/types.h> #include <errno.h> #include <stdlib.h> #include <string.h> #include "vi.h" #include "vcmd.h" static int getptrn __P((SCR *, EXF *, int, char **)); /* * v_searchn -- n * Repeat last search. */ int v_searchn(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { switch (sp->searchdir) { case BACKWARD: if (b_search(sp, ep, fm, rp, NULL, NULL, SEARCH_MSG | SEARCH_PARSE | SEARCH_TERM)) return (1); break; case FORWARD: if (f_search(sp, ep, fm, rp, NULL, NULL, SEARCH_MSG | SEARCH_PARSE | SEARCH_TERM)) return (1); break; case NOTSET: msgq(sp, M_ERR, "No previous search pattern."); return (1); default: abort(); } return (0); } /* * v_searchN -- N * Reverse last search. */ int v_searchN(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { switch (sp->searchdir) { case BACKWARD: if (f_search(sp, ep, fm, rp, NULL, NULL, SEARCH_MSG | SEARCH_PARSE | SEARCH_TERM)) return (1); break; case FORWARD: if (b_search(sp, ep, fm, rp, NULL, NULL, SEARCH_MSG | SEARCH_PARSE | SEARCH_TERM)) return (1); break; case NOTSET: msgq(sp, M_ERR, "No previous search pattern."); return (1); default: abort(); } return (0); } /* * v_searchw -- [count]^A * Search for the word under the cursor. */ int v_searchw(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { size_t blen, len; int rval; char *bp; len = vp->kbuflen + sizeof(RE_NOTINWORD) * 2; GET_SPACE(sp, bp, blen, len); (void)snprintf(bp, blen, "%s%s%s", RE_NOTINWORD, vp->keyword, RE_NOTINWORD); rval = f_search(sp, ep, fm, rp, bp, NULL, SEARCH_MSG | SEARCH_TERM); FREE_SPACE(sp, bp, blen); ++rp->cno; /* Offset by one. */ return (rval); } /* * v_searchb -- [count]?RE?offset * Search backward. */ int v_searchb(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { char *ptrn; if (getptrn(sp, ep, '?', &ptrn)) return (1); if (ptrn == NULL) { *rp = *fm; return (0); } if (b_search(sp, ep, fm, rp, ptrn, NULL, SEARCH_MSG | SEARCH_PARSE | SEARCH_SET)) return (1); return (0); } /* * v_searchf -- [count]/RE/offset * Search forward. */ int v_searchf(sp, ep, vp, fm, tm, rp) SCR *sp; EXF *ep; VICMDARG *vp; MARK *fm, *tm, *rp; { char *ptrn; if (getptrn(sp, ep, '/', &ptrn)) return (1); if (ptrn == NULL) { *rp = *fm; return (0); } if (f_search(sp, ep, fm, rp, ptrn, NULL, SEARCH_MSG | SEARCH_PARSE | SEARCH_SET)) return (1); return (0); } /* * getptrn -- * Get the search pattern. */ static int getptrn(sp, ep, prompt, storep) SCR *sp; EXF *ep; int prompt; char **storep; { TEXT *tp; if (sp->s_get(sp, ep, &sp->bhdr, prompt, TXT_BS | TXT_CR | TXT_ESCAPE | TXT_PROMPT)) return (1); tp = sp->bhdr.next; if (tp->len == 1) *storep = NULL; else *storep = tp->lb; return (0); }