1 |
|
|
/* $OpenBSD: print.c,v 1.7 2012/03/04 04:05:15 fgsch Exp $ */ |
2 |
|
|
/* $NetBSD: print.c,v 1.4 1995/09/27 01:06:58 jtc Exp $ */ |
3 |
|
|
|
4 |
|
|
/* |
5 |
|
|
* Copyright (c) 1987, 1993, 1994 |
6 |
|
|
* The Regents of the University of California. All rights reserved. |
7 |
|
|
* |
8 |
|
|
* Redistribution and use in source and binary forms, with or without |
9 |
|
|
* modification, are permitted provided that the following conditions |
10 |
|
|
* are met: |
11 |
|
|
* 1. Redistributions of source code must retain the above copyright |
12 |
|
|
* notice, this list of conditions and the following disclaimer. |
13 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
14 |
|
|
* notice, this list of conditions and the following disclaimer in the |
15 |
|
|
* documentation and/or other materials provided with the distribution. |
16 |
|
|
* 3. Neither the name of the University nor the names of its contributors |
17 |
|
|
* may be used to endorse or promote products derived from this software |
18 |
|
|
* without specific prior written permission. |
19 |
|
|
* |
20 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
21 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
22 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
23 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
24 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
25 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
26 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
27 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
28 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
29 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
30 |
|
|
* SUCH DAMAGE. |
31 |
|
|
*/ |
32 |
|
|
|
33 |
|
|
#include <limits.h> |
34 |
|
|
#include <stdio.h> |
35 |
|
|
#include <stdlib.h> |
36 |
|
|
#include <string.h> |
37 |
|
|
#include <unistd.h> |
38 |
|
|
|
39 |
|
|
#include "ctags.h" |
40 |
|
|
|
41 |
|
|
/* |
42 |
|
|
* get_line -- |
43 |
|
|
* get the line the token of interest occurred on, |
44 |
|
|
* prepare it for printing. |
45 |
|
|
*/ |
46 |
|
|
void |
47 |
|
|
get_line(void) |
48 |
|
|
{ |
49 |
|
|
long saveftell; |
50 |
|
|
int c; |
51 |
|
|
int cnt; |
52 |
|
|
char *cp; |
53 |
|
|
|
54 |
|
|
saveftell = ftell(inf); |
55 |
|
|
(void)fseek(inf, lineftell, SEEK_SET); |
56 |
|
|
if (xflag) |
57 |
|
|
for (cp = lbuf; GETC(!=, EOF) && c != '\n'; *cp++ = c) |
58 |
|
|
continue; |
59 |
|
|
/* |
60 |
|
|
* do all processing here, so we don't step through the |
61 |
|
|
* line more than once; means you don't call this routine |
62 |
|
|
* unless you're sure you've got a keeper. |
63 |
|
|
*/ |
64 |
|
|
else for (cnt = 0, cp = lbuf; GETC(!=, EOF) && cnt < ENDLINE; ++cnt) { |
65 |
|
|
if (c == '\\') { /* backslashes */ |
66 |
|
|
if (cnt > ENDLINE - 2) |
67 |
|
|
break; |
68 |
|
|
*cp++ = '\\'; *cp++ = '\\'; |
69 |
|
|
++cnt; |
70 |
|
|
} |
71 |
|
|
else if (c == (int)searchar) { /* search character */ |
72 |
|
|
if (cnt > ENDLINE - 2) |
73 |
|
|
break; |
74 |
|
|
*cp++ = '\\'; *cp++ = c; |
75 |
|
|
++cnt; |
76 |
|
|
} |
77 |
|
|
else if (c == '\n') { /* end of keep */ |
78 |
|
|
*cp++ = '$'; /* can find whole line */ |
79 |
|
|
break; |
80 |
|
|
} |
81 |
|
|
else |
82 |
|
|
*cp++ = c; |
83 |
|
|
} |
84 |
|
|
*cp = EOS; |
85 |
|
|
(void)fseek(inf, saveftell, SEEK_SET); |
86 |
|
|
} |
87 |
|
|
|
88 |
|
|
/* |
89 |
|
|
* put_entries -- |
90 |
|
|
* write out the tags |
91 |
|
|
*/ |
92 |
|
|
void |
93 |
|
|
put_entries(NODE *node) |
94 |
|
|
{ |
95 |
|
|
|
96 |
|
|
if (node->left) |
97 |
|
|
put_entries(node->left); |
98 |
|
|
if (vflag) |
99 |
|
|
printf("%s %s %d\n", |
100 |
|
|
node->entry, node->file, (node->lno + 63) / 64); |
101 |
|
|
else if (xflag) |
102 |
|
|
printf("%-16s%4d %-16s %s\n", |
103 |
|
|
node->entry, node->lno, node->file, node->pat); |
104 |
|
|
else |
105 |
|
|
fprintf(outf, "%s\t%s\t%c^%s%c\n", |
106 |
|
|
node->entry, node->file, searchar, node->pat, searchar); |
107 |
|
|
if (node->right) |
108 |
|
|
put_entries(node->right); |
109 |
|
|
} |