mirror of https://github.com/TTimo/GtkRadiant.git
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
/*
|
|
Copyright (C) 2001-2006, William Joseph.
|
|
All Rights Reserved.
|
|
|
|
This file is part of GtkRadiant.
|
|
|
|
GtkRadiant 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.
|
|
|
|
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#if !defined(INCLUDED_VERSIONLIB_H)
|
|
#define INCLUDED_VERSIONLIB_H
|
|
|
|
#include <cstddef>
|
|
#include <string.h>
|
|
#include <algorithm>
|
|
|
|
class Version
|
|
{
|
|
public:
|
|
int major;
|
|
int minor;
|
|
};
|
|
|
|
inline bool operator<(const Version& version, const Version& other)
|
|
{
|
|
return version.major < other.major || (!(other.major < version.major) && version.minor < other.minor);
|
|
}
|
|
|
|
template<typename TextOutputStreamType>
|
|
TextOutputStreamType& ostream_write(TextOutputStreamType& outputStream, const Version& version)
|
|
{
|
|
return outputStream << version.major << '.' << version.minor;
|
|
}
|
|
|
|
/// \brief Returns true if \p version (code) is compatible with \p other (data).
|
|
inline bool version_compatible(const Version& version, const Version& other)
|
|
{
|
|
return version.major == other.major // different major-versions are always incompatible
|
|
&& !(version.minor < other.minor); // data minor-version is incompatible if greater than code minor-version
|
|
}
|
|
|
|
inline int string_range_parse_unsigned_decimal_integer(const char* first, const char* last)
|
|
{
|
|
int result = 0;
|
|
for(; first != last; ++first)
|
|
{
|
|
result *= 10;
|
|
result += *first - '0';
|
|
}
|
|
return result;
|
|
}
|
|
|
|
inline Version version_parse(const char* versionString)
|
|
{
|
|
Version version;
|
|
const char* endVersion = versionString + strlen(versionString);
|
|
|
|
const char* endMajor = strchr(versionString, '.');
|
|
if(endMajor == 0)
|
|
{
|
|
endMajor = endVersion;
|
|
|
|
version.minor = 0;
|
|
}
|
|
else
|
|
{
|
|
const char* endMinor = strchr(endMajor + 1, '.');
|
|
if(endMinor == 0)
|
|
{
|
|
endMinor = endVersion;
|
|
}
|
|
version.minor = string_range_parse_unsigned_decimal_integer(endMajor + 1, endMinor);
|
|
}
|
|
version.major = string_range_parse_unsigned_decimal_integer(versionString, endMajor);
|
|
|
|
return version;
|
|
}
|
|
|
|
#endif
|