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/* pkg-list.cpp
*
* Copyright (c) 2012-2016 Daniel Nicoletti <dantti12@gmail.com>
*
* 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 <algorithm>
// compare...uses the candidate version of each package.
class compare
{
public:
compare() {}
bool operator()(const pkgCache::VerIterator &a,
const pkgCache::VerIterator &b) {
int ret = strcmp(a.ParentPkg().Name(), b.ParentPkg().Name());
if (ret == 0) {
ret = strcmp(a.VerStr(), b.VerStr());
if (ret == 0) {
ret = strcmp(a.Arch(), b.Arch());
if (ret == 0) {
pkgCache::VerFileIterator aVF = a.FileList();
pkgCache::VerFileIterator bVF = b.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 pkgCache::VerIterator &a, const pkgCache::VerIterator &b) {
bool ret;
ret = strcmp(a.ParentPkg().Name(), b.ParentPkg().Name()) == 0 &&
strcmp(a.VerStr(), b.VerStr()) == 0 &&
strcmp(a.Arch(), b.Arch()) == 0;
if (ret) {
pkgCache::VerFileIterator aVF = a.FileList();
pkgCache::VerFileIterator bVF = b.FileList();
ret = strcmp(aVF.File().Archive() == NULL ? "" : aVF.File().Archive(),
bVF.File().Archive() == NULL ? "" : bVF.File().Archive()) == 0;
}
return ret;
}
};
bool PkgList::contains(const pkgCache::PkgIterator &pkg)
{
for (const pkgCache::VerIterator &ver : *this) {
if (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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