1/*
2 * Copyright (c) 1987, 1993, 1994
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#if 0
31#ifndef lint
32static char sccsid[] = "@(#)print.c	8.3 (Berkeley) 4/2/94";
33#endif
34#endif
35
36#include <sys/cdefs.h>
37__FBSDID("$FreeBSD$");
38
39#include <limits.h>
40#include <stdio.h>
41#include <unistd.h>
42
43#include "ctags.h"
44
45/*
46 * get_line --
47 *	get the line the token of interest occurred on,
48 *	prepare it for printing.
49 */
50void
51get_line(void)
52{
53	long	saveftell;
54	int	c;
55	int	cnt;
56	char	*cp;
57
58	saveftell = ftell(inf);
59	(void)fseek(inf, lineftell, L_SET);
60	if (xflag)
61		for (cp = lbuf; GETC(!=, EOF) && c != '\n'; *cp++ = c)
62			continue;
63	/*
64	 * do all processing here, so we don't step through the
65	 * line more than once; means you don't call this routine
66	 * unless you're sure you've got a keeper.
67	 */
68	else for (cnt = 0, cp = lbuf; GETC(!=, EOF) && cnt < ENDLINE; ++cnt) {
69		if (c == '\\') {		/* backslashes */
70			if (cnt > ENDLINE - 2)
71				break;
72			*cp++ = '\\'; *cp++ = '\\';
73			++cnt;
74		}
75		else if (c == (int)searchar) {	/* search character */
76			if (cnt > ENDLINE - 2)
77				break;
78			*cp++ = '\\'; *cp++ = c;
79			++cnt;
80		}
81		else if (c == '\n') {	/* end of keep */
82			*cp++ = '$';		/* can find whole line */
83			break;
84		}
85		else
86			*cp++ = c;
87	}
88	*cp = EOS;
89	(void)fseek(inf, saveftell, L_SET);
90}
91
92/*
93 * put_entries --
94 *	write out the tags
95 */
96void
97put_entries(NODE *node)
98{
99
100	if (node->left)
101		put_entries(node->left);
102	if (vflag)
103		printf("%s %s %d\n",
104		    node->entry, node->file, (node->lno + 63) / 64);
105	else if (xflag)
106		printf("%-16s %4d %-16s %s\n",
107		    node->entry, node->lno, node->file, node->pat);
108	else
109		fprintf(outf, "%s\t%s\t%c^%s%c\n",
110		    node->entry, node->file, searchar, node->pat, searchar);
111	if (node->right)
112		put_entries(node->right);
113}
114