1 /* $NetBSD: print.c,v 1.10 2009/07/13 19:05:40 roy Exp $ */
2
3 /*
4 * Copyright (c) 1987, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #if HAVE_NBTOOL_CONFIG_H
33 #include "nbtool_config.h"
34 #endif
35
36 #include <sys/cdefs.h>
37 #if defined(__RCSID) && !defined(lint)
38 #if 0
39 static char sccsid[] = "@(#)print.c 8.3 (Berkeley) 4/2/94";
40 #else
41 __RCSID("$NetBSD: print.c,v 1.10 2009/07/13 19:05:40 roy Exp $");
42 #endif
43 #endif /* not lint */
44
45 #include <limits.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48 #include <string.h>
49 #include <unistd.h>
50
51 #include "ctags.h"
52
53 /*
54 * get_line --
55 * get the line the token of interest occurred on,
56 * prepare it for printing.
57 */
58 void
get_line(void)59 get_line(void)
60 {
61 long saveftell;
62 int c;
63 int cnt;
64 char *cp;
65
66 saveftell = ftell(inf);
67 (void)fseek(inf, lineftell, SEEK_SET);
68 if (xflag)
69 for (cp = lbuf; GETC(!=, '\n'); *cp++ = c)
70 continue;
71 /*
72 * do all processing here, so we don't step through the
73 * line more than once; means you don't call this routine
74 * unless you're sure you've got a keeper.
75 */
76 else for (cnt = 0, cp = lbuf; GETC(!=, EOF) && cnt < ENDLINE; ++cnt) {
77 if (c == '\\') { /* backslashes */
78 if (cnt > ENDLINE - 2)
79 break;
80 *cp++ = '\\'; *cp++ = '\\';
81 ++cnt;
82 }
83 else if (c == (int)searchar) { /* search character */
84 if (cnt > ENDLINE - 2)
85 break;
86 *cp++ = '\\'; *cp++ = c;
87 ++cnt;
88 }
89 else if (c == '\n') { /* end of keep */
90 *cp++ = '$'; /* can find whole line */
91 break;
92 }
93 else
94 *cp++ = c;
95 }
96 *cp = EOS;
97 (void)fseek(inf, saveftell, SEEK_SET);
98 }
99
100 /*
101 * put_entries --
102 * write out the tags
103 */
104 void
put_entries(NODE * node)105 put_entries(NODE *node)
106 {
107
108 if (node->left)
109 put_entries(node->left);
110 if (vflag)
111 printf("%s %s %d\n",
112 node->entry, node->file, (node->lno + 63) / 64);
113 else if (xflag)
114 printf("%-16s%4d %-16s %s\n",
115 node->entry, node->lno, node->file, node->pat);
116 else
117 fprintf(outf, "%s\t%s\t%c^%s%c\n",
118 node->entry, node->file, searchar, node->pat, searchar);
119 if (node->right)
120 put_entries(node->right);
121 }
122