blob: cc8cb440733ef69d8fbaafec993124eef2f80f86 (
plain)
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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <ctype.h>
#include <ctype.h>
#include <string.h>
#include <comphelper/string.hxx>
#include <rtl/ustring.hxx>
namespace comphelper { namespace string {
namespace {
// BSD licensed, from http://git.musl-libc.org/cgit/musl/plain/src/string/strverscmp.c
int strverscmp(const char *l, const char *r)
{
int haszero=1;
while (*l==*r) {
if (!*l) return 0;
if (*l=='0') {
if (haszero==1) {
haszero=0;
}
} else if (isdigit(*l)) {
if (haszero==1) {
haszero=2;
}
} else {
haszero=1;
}
l++; r++;
}
if (haszero==1 && (*l=='0' || *r=='0')) {
haszero=0;
}
if ((isdigit(*l) && isdigit(*r) ) && haszero) {
size_t lenl=0, lenr=0;
while (isdigit(l[lenl]) ) lenl++;
while (isdigit(r[lenr]) ) lenr++;
if (lenl==lenr) {
return (*l - *r);
} else if (lenl>lenr) {
return 1;
} else {
return -1;
}
} else {
return (*l - *r);
}
}
} // anonymous namespace
int compareVersionStrings(const OUString& a, const OUString& b)
{
return strverscmp(OUStringToOString(a, RTL_TEXTENCODING_UTF8).getStr(), OUStringToOString(b, RTL_TEXTENCODING_UTF8).getStr());
}
} }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
