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/******************************************************************************\
* This file is part of packup. *
* *
* packup 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. *
* *
* packup 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 packup. If not, see <http://www.gnu.org/licenses/>. *
\******************************************************************************/
/*
* File: PackageVersions.h
* Author: mikolas
*
* Created on August 27, 2010, 6:51 PM
* Copyright (C) 2011, Mikolas Janota
*/
#ifndef PACKAGEVERSIONS_H
#define PACKAGEVERSIONS_H
#include <assert.h>
#include <iostream>
#include <sstream>
#include <string>
#include "common_types.hh"
using std::string;
using std::stringstream;
using std::cout;
using std::cerr;
using std::endl;
using version_operators::Operator;
using version_operators::VERSIONS_NONE;
class PackageVersions
{
public:
inline PackageVersions()
: _op(VERSIONS_NONE), _version(0)
{}
inline PackageVersions(const PackageVersions& pvs)
: _name(pvs._name), _op(pvs._op), _version(pvs._version)
{ assert ((op()!= VERSIONS_NONE) || version()==0); }
inline PackageVersions(const string& pname,Operator pop,Version pversion)
: _name(pname), _op(pop), _version(pversion) {}
inline Version version() const {return _version;}
inline Operator op() const {return _op;}
inline string name() const {return _name;}
void print (ostream& out=cerr) const {
out<< name();
if (_op!=VERSIONS_NONE) out << version_operators::to_string(op()) << version();
}
string to_string() const {
stringstream strstr;
print (strstr);
return strstr.str();
}
private:
string _name;
Operator _op;
Version _version;
};
struct eq_package_versions
{
bool operator()(const PackageVersions& pvs1, const PackageVersions& pvs2) const
{
if (pvs1.op() != pvs2.op()) return false;
if ( (pvs1.op() != VERSIONS_NONE) && (pvs1.version() != pvs2.version()) ) return false;
if (!SAME_PACKAGE_NAME(pvs1.name(),pvs2.name())) return false;
return true;
}
};
struct hash_package_versions
{
size_t operator()(const PackageVersions& pvs) const
{
hash<const char*> h1;
return h1(pvs.name().data()) ^ ((size_t)pvs.op()) ^ ((size_t)pvs.version());
}
};
#endif /* PACKAGEVERSIONS_H */
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