void PackageRepository::setAURData(const QList<PackageListData>*const listOfForeignPackages,
const QSet<QString>& unrequiredPackages)
{
// std::cout << "received new foreign package list" << std::endl;
std::for_each(m_dependingModels.begin(), m_dependingModels.end(), BeginResetModel());
// delete AUR items in list
/*for (TListOfPackages::iterator it = m_listOfPackages.begin(); it != m_listOfPackages.end(); ++it) {
if (*it != NULL && (*it)->managedByAUR) {
delete *it;
it = m_listOfPackages.erase(it);
}
}*/
m_listOfAURPackages.clear();
for (QList<PackageListData>::const_iterator it = listOfForeignPackages->begin();
it != listOfForeignPackages->end(); ++it)
{
//qDebug() << "Status: " << (*it).status;
PackageData*const pkg = new PackageData(*it, unrequiredPackages.contains(it->name) == false);
m_listOfPackages.push_back(pkg);
m_listOfAURPackages.push_back(pkg);
}
qSort(m_listOfPackages.begin(), m_listOfPackages.end(), TSort());
qSort(m_listOfAURPackages.begin(), m_listOfAURPackages.end(), TSort());
std::for_each(m_dependingModels.begin(), m_dependingModels.end(), EndResetModel());
}
/*
* Iterates over the package list to mark outdated foreign packages
*/
void PackageRepository::setAUROutdatedData(QList<PackageListData>*const listOfForeignPackages,
const QStringList& outdatedAURPackages)
{
std::for_each(m_dependingModels.begin(), m_dependingModels.end(), BeginResetModel());
//delete AUR items in list
for (TListOfPackages::iterator it = m_listOfPackages.begin(); it != m_listOfPackages.end(); ++it) {
if (*it != NULL && ((*it)->status == ectn_FOREIGN || (*it)->status == ectn_FOREIGN_OUTDATED)) {
delete *it;
it = m_listOfPackages.erase(it);
}
}
m_listOfAURPackages.clear();
for (QList<PackageListData>::iterator it = listOfForeignPackages->begin();
it != listOfForeignPackages->end(); ++it)
{
if (outdatedAURPackages.contains(it->name))
{
it->status = ectn_FOREIGN_OUTDATED;
}
PackageData*const pkg = new PackageData(*it, true, true);
m_listOfPackages.push_back(pkg);
m_listOfAURPackages.push_back(pkg);
}
qSort(m_listOfPackages.begin(), m_listOfPackages.end(), TSort());
qSort(m_listOfAURPackages.begin(), m_listOfAURPackages.end(), TSort());
std::for_each(m_dependingModels.begin(), m_dependingModels.end(), EndResetModel());
}
MyStack<Tv>* Graph<Tv, Te>::tSort(int s){ //assert: 0 <= s < n
reset(); int clock = 0; int v = s;
MyStack<Tv> * S = new MyStack<Tv>; //用栈记录排序顶点
do{
if(UNDISCOVERED == status(v))
if( !TSort(v, clock, S) ){ //clock并非必需
while( !S->empty()) //任一连通域(亦即整图) 非DAG
S->pop(); break;
}
}while(s != ( v = (++v) % n));
return S; //若输入为DAG,则s内各顶点自顶向低排序; 否则(不存在拓扑排序), S空
}
bool Graph<Tv, Te>::TSort(int v, int &clock, MyStack<Tv> *S){ //assert: 0 <= v < n
dTime(v) = ++clock;
status(v) = DISCOVERED; //发现顶点v
for(int u = firstNbr(v); -1 < u; u = nextNbr(v, u)) //枚举v的所有邻居u
switch(status(v)){
case UNDISCOVERED:
parent(u) = v; type(v, u) = TREE;
if( !TSort(u, clock, S)) //从顶点u处出发深入搜索
return false; //若u及其后代不能拓扑程序(则全图亦必如此), 故返回并报告
break;
case DISCOVERED:
type(v, u) = BACKWARD; //一旦发现后向边(非DAG), 则
return false; //不必深入,故返回并报告
default: //VISITED(digraphs only)
type(v, u) = (dTime(v) < dTime(u) ) ? FORWARD : CROSS;
break;
}
status(v) = VISITED; S->push(vertex(v) ); //顶点被标记为VISITED时, 随即入栈
return true; //v及其后代可以拓扑排序
}
void PackageRepository::setData(const QList<PackageListData>*const listOfPackages, const QSet<QString>& unrequiredPackages)
{
// std::cout << "received new package list" << std::endl;
std::for_each(m_dependingModels.begin(), m_dependingModels.end(), BeginResetModel());
// delete items in groups list
for (QList<Group*>::const_iterator it = m_listOfGroups.begin(); it != m_listOfGroups.end(); ++it) {
if (*it != NULL) (*it)->invalidateList();
}
// delete items in list
for (TListOfPackages::const_iterator it = m_listOfPackages.begin(); it != m_listOfPackages.end(); ++it) {
if (*it != NULL) delete *it;
}
m_listOfAURPackages.clear();
m_listOfPackages.clear();
for (QList<PackageListData>::const_iterator it = listOfPackages->begin(); it != listOfPackages->end(); ++it) {
m_listOfPackages.push_back(new PackageData(*it, unrequiredPackages.contains(it->name) == false));
}
qSort(m_listOfPackages.begin(), m_listOfPackages.end(), TSort());
std::for_each(m_dependingModels.begin(), m_dependingModels.end(), EndResetModel());
}
