Annotation of src/usr.bin/ctags/print.c, Revision 1.8
1.8 ! anton 1: /* $OpenBSD: print.c,v 1.7 2012/03/04 04:05:15 fgsch Exp $ */
1.1 deraadt 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.
1.4 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 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: /*
1.7 fgsch 42: * get_line --
1.1 deraadt 43: * get the line the token of interest occurred on,
44: * prepare it for printing.
45: */
46: void
1.7 fgsch 47: get_line(void)
1.1 deraadt 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)
1.3 deraadt 57: for (cp = lbuf; GETC(!=, EOF) && c != '\n'; *cp++ = c)
1.1 deraadt 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
1.5 deraadt 93: put_entries(NODE *node)
1.1 deraadt 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)
1.8 ! anton 102: printf("%-16s %4d %-16s %s\n",
1.1 deraadt 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: }