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/* pkg-list.cpp
*
* Copyright (c) 2012-2016 Daniel Nicoletti <dantti12@gmail.com>
* Copyright (c) 2015-2022 Matthias Klumpp <matthias@tenstral.net>
*
* 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 2 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "pkg-list.h"
#include <apt-pkg/pkgsystem.h>
#include <apt-pkg/version.h>
#include <algorithm>
// compare...uses the candidate version of each package.
class compare
{
public:
compare() {}
bool operator()(const PkgInfo &a, const PkgInfo &b)
{
const pkgCache::VerIterator &viA = a.ver;
const pkgCache::VerIterator &viB = b.ver;
int ret = strcmp(viA.ParentPkg().Name(), viB.ParentPkg().Name());
if (ret == 0) {
if (_system != 0)
ret = _system->VS->DoCmpVersion(
viA.VerStr(),
viA.VerStr() + strlen(viA.VerStr()),
viB.VerStr(),
viB.VerStr() + strlen(viB.VerStr()));
else
ret = strcmp(viA.VerStr(), viB.VerStr());
if (ret == 0) {
ret = strcmp(viA.Arch(), viB.Arch());
if (ret == 0) {
pkgCache::VerFileIterator aVF = viA.FileList();
pkgCache::VerFileIterator bVF = viB.FileList();
ret = strcmp(
aVF.File().Archive() == NULL ? "" : aVF.File().Archive(),
bVF.File().Archive() == NULL ? "" : bVF.File().Archive());
}
}
}
return ret < 0;
}
};
/** \brief operator== for match results. */
class result_equality
{
public:
result_equality() {}
bool operator()(const PkgInfo &a, const PkgInfo &b)
{
const pkgCache::VerIterator &viA = a.ver;
const pkgCache::VerIterator &viB = b.ver;
bool ret;
ret = strcmp(viA.ParentPkg().Name(), viB.ParentPkg().Name()) == 0 && strcmp(viA.VerStr(), viB.VerStr()) == 0
&& strcmp(viA.Arch(), viB.Arch()) == 0;
if (ret) {
pkgCache::VerFileIterator aVF = viA.FileList();
pkgCache::VerFileIterator bVF = viB.FileList();
ret = strcmp(
aVF.File().Archive() == NULL ? "" : aVF.File().Archive(),
bVF.File().Archive() == NULL ? "" : bVF.File().Archive())
== 0;
}
return ret;
}
};
void PkgList::append(const pkgCache::VerIterator &verIter, PkgAction action)
{
this->push_back(PkgInfo(verIter, action));
}
bool PkgList::contains(const pkgCache::PkgIterator &pkg)
{
for (const PkgInfo &info : *this) {
if (info.ver.ParentPkg() == pkg) {
return true;
}
}
return false;
}
void PkgList::sort()
{
// Sort so we can remove the duplicated entries
std::sort(begin(), end(), compare());
}
void PkgList::removeDuplicates()
{
// Remove the duplicated entries
erase(unique(begin(), end(), result_equality()), end());
}
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