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/* rcacheactor.h
*
* Copyright (c) 2000-2003 Conectiva S/A
* 2002 Michael Vogt <mvo@debian.org>
*
* Author: Alfredo K. Kojima <kojima@conectiva.com.br>
* Michael Vogt <mvo@debian.org>
*
* 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; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#ifndef RCACHEACTOR_H
#define RCACHEACTOR_H
#include "rpackagelister.h"
#include <regex.h>
class RCacheActor:public RCacheObserver {
public:
enum Action {
ACTION_KEEP,
ACTION_INSTALL,
ACTION_REINSTALL,
ACTION_REMOVE
};
protected:
RPackageLister *_lister;
RPackageLister::pkgState *_laststate;
public:
virtual void run(vector<RPackage *> &List, int Action) = 0;
virtual void notifyCachePreChange() {
updateState();
}
virtual void notifyCachePostChange();
virtual void notifyCacheOpen() {
}
virtual void updateState() {
delete _laststate;
_laststate = new RPackageLister::pkgState;
_lister->saveState(*_laststate);
}
RCacheActor(RPackageLister *lister)
: _lister(lister), _laststate(0) {
_lister->registerCacheObserver(this);
}
virtual ~ RCacheActor() {
_lister->unregisterCacheObserver(this);
}
};
class RCacheActorRecommends:public RCacheActor {
protected:
typedef vector<string> ListType;
typedef map<string, ListType> MapType;
typedef map<regex_t *, ListType> RegexMapType;
MapType _map;
MapType _map_wildcard;
RegexMapType _map_regex;
string _langLast;
ListType _langCache;
void setLanguageCache();
inline bool actOnPkg(string name, int Action) {
RPackage *Pkg = _lister->getPackage(name);
if (Pkg != NULL) {
switch (Action) {
case ACTION_KEEP:
Pkg->setKeep();
break;
case ACTION_INSTALL:
Pkg->setInstall();
break;
case ACTION_REMOVE:
Pkg->setRemove();
break;
}
return true;
}
return false;
}
public:
virtual void run(vector<RPackage *> &List, int Action);
virtual void notifyCachePostChange();
RCacheActorRecommends(RPackageLister *lister, string FileName);
virtual ~RCacheActorRecommends();
};
#endif
// vim:sts=3:sw=3
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