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96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
/*!
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@file
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@author Albert Semenov
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@date 12/2008
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@module
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*/
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/*
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This file is part of MyGUI.
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MyGUI is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MyGUI is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MYGUI_VERSION_H__
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#define __MYGUI_VERSION_H__
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#include "MyGUI_Prerequest.h"
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#include "MyGUI_Types.h"
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#include "MyGUI_Utility.h"
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namespace MyGUI
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{
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class MYGUI_EXPORT Version
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{
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public:
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Version() : value(0) { }
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Version(uint8 _major, uint8 _minor, uint16 _patch) : value((uint32(_major) << 24) + (uint32(_minor) << 16) + uint32(_patch)) { }
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Version(uint8 _major, uint8 _minor) : value((uint32(_major) << 24) + (uint32(_minor) << 16)) { }
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explicit Version(const std::string& _value) : value(parse(_value).value) { }
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friend bool operator < (Version const& a, Version const& b) { return a.getPoorVersion() < b.getPoorVersion(); }
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friend bool operator >= (Version const& a, Version const& b) { return !(a < b); }
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friend bool operator > (Version const& a, Version const& b) { return (b < a); }
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friend bool operator <= (Version const& a, Version const& b) { return !(a > b); }
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friend bool operator == (Version const& a, Version const& b) { return !(a < b) && !(a > b); }
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friend bool operator != (Version const& a, Version const& b) { return !(a == b); }
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friend std::ostream& operator << ( std::ostream& _stream, const Version& _value )
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{
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_stream << _value.print();
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return _stream;
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}
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friend std::istream& operator >> ( std::istream& _stream, Version& _value )
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{
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std::string value;
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_stream >> value;
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_value = Version::parse(value);
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return _stream;
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}
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uint8 getMajor() const { return uint8((value & 0xFF000000) >> 24); }
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uint8 getMinor() const { return uint8((value & 0x00FF0000) >> 16); }
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uint16 getPatch() const { return uint16(value & 0x0000FFFF); }
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uint32 getPoorVersion() const { return value & 0xFFFF0000; }
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uint32 getFullVersion() const { return value; }
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std::string print() const
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{
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if (getPatch() == 0) return utility::toString(getMajor(), ".", getMinor());
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return utility::toString(getMajor(), ".", getMinor(), ".", getPatch());
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}
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static Version parse(const std::string& _value)
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{
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const std::vector<std::string>& vec = utility::split(_value, ".");
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if (vec.empty()) return Version();
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uint8 major = (uint8)utility::parseValue<int>(vec[0]);
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uint8 minor = vec.size() > 1 ? (uint8)utility::parseValue<int>(vec[1]) : uint8(0);
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uint16 patch = vec.size() > 2 ? (uint16)utility::parseValue<int>(vec[2]) : uint16(0);
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return Version(major, minor, patch);
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}
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private:
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union
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{
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uint32 value;
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uint8 value_data[4];
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};
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};
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} // namespace MyGUI
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#endif // __MYGUI_VERSION_H__
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