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
|
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
*
* This program 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 3 of the License, or (at your
* option) any later version.
*
* This program 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. If not, see <http://www.gnu.org/licenses/>.
*/
#include <charconv>
#include <core/version_compare.h>
const std::vector<int> parseVersionString( const std::string& versionString )
{
std::vector<int> versionComponents;
auto it = versionString.begin();
auto end = versionString.end();
const char* end_char = versionString.data() + versionString.size();
while( it != end )
{
versionComponents.emplace_back( 0 );
// On error, the last element will be 0
auto result = std::from_chars( &( *it ), end_char, versionComponents.back() );
it += std::distance( &( *it ), result.ptr ); // Update the iterator
if( it != end && *it == '.' )
{
++it; // Skip the dot separator
}
}
return versionComponents;
}
bool compareVersionStrings( const std::string& aVersionStr1, const std::string& aVersionStr2 )
{
std::vector<int> ver1 = parseVersionString( aVersionStr1 );
std::vector<int> ver2 = parseVersionString( aVersionStr2 );
std::size_t len = std::min( ver1.size(), ver2.size() );
// Compare each component
for( size_t ii = 0; ii < len; ++ii )
{
if( ver1[ii] < ver2[ii] )
{
return true; // aVersionStr1 < aVersionStr2
}
else if( ver1[ii] > ver2[ii] )
{
return false; // aVersionStr1 > aVersionStr2
}
}
return ver1.size() >= ver2.size();
}
|
