usr.bin/vi/search.h

/*-
 * 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.
 *
 *      @(#)search.h    8.7 (Berkeley) 11/18/93
 */

#define RE_WSTART       "[[:<:]]"       /* Not-in-word search patterns. */
#define RE_WSTOP        "[[:>:]]"

#define SEARCH_DELTA    0x001           /* A delta part of the search.*/
#define SEARCH_EOL      0x002           /* Offset past EOL is okay. */
#define SEARCH_FILE     0x004           /* Search the entire file. */
#define SEARCH_MSG      0x008           /* Display search warning messages. */
#define SEARCH_PARSE    0x010           /* Parse the search pattern. */
#define SEARCH_SET      0x020           /* Set search direction. */
#define SEARCH_TAG      0x040           /* Search pattern is a tag pattern. */
#define SEARCH_TERM     0x080           /* Search pattern should terminate. */

enum direction  { NOTSET, FORWARD, BACKWARD };
enum cdirection { CNOTSET, FSEARCH, fSEARCH, TSEARCH, tSEARCH };

/* Search functions. */
int     b_search __P((SCR *, EXF *, MARK *, MARK *, char *, char **, u_int *));
int     f_search __P((SCR *, EXF *, MARK *, MARK *, char *, char **, u_int *));
int     re_conv __P((SCR *, char **, int *));
void    re_error __P((SCR *, int, regex_t *));