1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/*
* Copyright (c) 1998, 1999, 2000, 2004
* Tama Communications Corporation
*
* This file is part of GNU GLOBAL.
*
* GNU GLOBAL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNU GLOBAL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef STDC_HEADERS
#include <stdlib.h>
#endif
#include "strbuf.h"
#include "strmake.h"
/*
* strmake: make string from original string with limit character.
*
* i) p original string.
* i) lim limitter
* r) result string
*
* Usage:
* strmake("aaa:bbb", ":/=") => "aaaa"
*
* Note: The result string area is function local. So, following call
* to this function may destroy the area.
*/
const char *
strmake(p, lim)
const char *p;
const char *lim;
{
STATIC_STRBUF(sb);
const char *c;
strbuf_clear(sb);
for (; *p; p++) {
for (c = lim; *c; c++)
if (*p == *c)
goto end;
strbuf_putc(sb,*p);
}
end:
return strbuf_value(sb);
}
/*
* strtrim: make string from original string with deleting blanks.
*
* i) p original string.
* i) flag TRIM_HEAD from only head
* TRIM_TAIL from only tail
* TRIM_BOTH from head and tail
* TRIM_ALL from all
* o) len length of result string
* if len == NULL then nothing returned.
* r) result string
*
* Usage:
* strtrim(" # define ", TRIM_HEAD, NULL) => "# define "
* strtrim(" # define ", TRIM_TAIL, NULL) => " # define"
* strtrim(" # define ", TRIM_BOTH, NULL) => "# define"
* strtrim(" # define ", TRIM_ALL, NULL) => "#define"
*
* Note: The result string area is function local. So, following call
* to this function may destroy the area.
*/
const char *
strtrim(p, flag, len)
const char *p;
int flag;
int *len;
{
STATIC_STRBUF(sb);
int cut_off = -1;
strbuf_clear(sb);
/*
* Delete blanks of the head.
*/
if (flag != TRIM_TAIL)
SKIP_BLANKS(p);
/*
* Copy string.
*/
for (; *p; p++) {
if (isspace(*p)) {
if (flag != TRIM_ALL) {
if (cut_off == -1 && flag != TRIM_HEAD)
cut_off = strbuf_getlen(sb);
strbuf_putc(sb,*p);
}
} else {
strbuf_putc(sb,*p);
cut_off = -1;
}
}
/*
* Delete blanks of the tail.
*/
if (cut_off != -1)
strbuf_setlen(sb, cut_off);
if (len)
*len = strbuf_getlen(sb);
return strbuf_value(sb);
}
|
