97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
//This file is part of Photon (http://photon.sourceforge.net)
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//Copyright (C) 2004-2005 James Turk
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//
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// Author:
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// James Turk (jpt2433@rit.edu)
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//
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// Version:
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// $Id: VersionInfo.hpp,v 1.3 2005/02/27 05:50:39 cozman Exp $
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#ifndef PHOTON_UTIL_VERSIONINFO_HPP
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#define PHOTON_UTIL_VERSIONINFO_HPP
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#include <string>
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#include <ostream>
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namespace photon {
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namespace util {
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// Class: VersionInfo
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// Class which stores version information, such as release numbers.
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// Format is Major.Minor.Release [ExtraInfo].
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//
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// Operators:
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// - VersionInfo < VersionInfo
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// - VersionInfo <= VersionInfo
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// - VersionInfo == VersionInfo
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// - VersionInfo >= VersionInfo
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// - VersionInfo > VersionInfo
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// - ostream& << VersionInfo
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class VersionInfo
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{
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public:
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// Group: Variables
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// Variable: major
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// Major version number, should be changed when major changes take place.
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unsigned int major;
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// Variable: minor
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// Minor version number, should be changed when key features are
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// added/removed/changed.
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unsigned int minor;
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// Variable: patch
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// Patch number, should be changed upon every release that isn't
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// signifigant enough to reflect a change in the minor versioning number.
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unsigned int patch;
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// Variable: extra
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// String for holding extra data, such as a release name or special tag.
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std::string extra;
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// Group: (Con/De)structors
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// Function: VersionInfo
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// Default constructor.
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VersionInfo();
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// Function: VersionInfo
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// Initializing constructor.
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//
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// Parameters:
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// maj - Major version number.
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// min - Minor version number.
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// pat - Patch number.
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// ext - Extra info string. [default: ""]
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VersionInfo(unsigned int maj, unsigned int min, unsigned int pat,
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std::string ext="");
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//operators
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bool operator<(const VersionInfo &rhs) const;
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bool operator<=(const VersionInfo &rhs) const;
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bool operator==(const VersionInfo &rhs) const;
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bool operator>=(const VersionInfo &rhs) const;
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bool operator>(const VersionInfo &rhs) const;
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//output operator
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friend std::ostream& operator<<(std::ostream &o, const VersionInfo &rhs);
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};
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// Function: ensureVersion
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// Checks a version of a library against the required version, throws
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// an APIError if the version is not met.
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//
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// Parameters:
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// library - Name of library being initialized.
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// version - Version of library being used.
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// required - Required version of library.
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void ensureVersion(const std::string& library,
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const util::VersionInfo& version,
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const util::VersionInfo& required);
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}
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}
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#endif //PHOTON_UTIL_VERSIONINFO_HPP
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