packageSystem.h

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/* -*- Mode: c++ -*- */
/*
 *  this is part of Spm
 *
 *  Copyright (c) 2005-2007 Guillaume Chevallereau
 *
 *  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 usefull 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 __PACKAGE_SYSTEM_H__
#define __PACKAGE_SYSTEM_H__

#include "category.h"
#include "set.h"
#include "package.h"
#include "coreException.h"
#include <list>
#include <map>
#include <boost/utility.hpp>
#include <boost/shared_ptr.hpp>
#include <plugin/installerInterface.h>
#include <plugin/pluginException.h>
#include <plugin/pluginSystem.h>
#include <util/utilException.h>
#include <store.h>

namespace Spm
{
  namespace Core
  {
    class PackageSystem 
    {
    public :
      struct objectModified : public std::binary_function<Util::Object *,
      std::string,
      void>
      {
        void operator () (Util::Object * object,
                          const std::string & user) const;
      };

    private :
      struct endInstallation : public std::binary_function<Plugin::Interface*, 
                                                           std::string, 
                                                           void>
      {
        void operator () (Plugin::Interface * interface,
                          const std::string & user) const;
      };

      struct endUpdate : public std::binary_function<Plugin::Interface *,
                                                     Branch *,
                                                     void>
      {
        void operator () (Plugin::Interface * interface,
                          Branch * branch) const;
      };

      struct endRemoteInstallation : public std::binary_function<Plugin::Interface *,
                                                                 std::string,
                                                                 void>
      {
        void operator () (Plugin::Interface * interface,
                          const std::string & user) const;
      };
      
      PackageSystem(const std::string & userName);
      Store * __store;
      std::list<Category *> categorys;
      std::list<Element *> elements;
      std::string __user;
      std::string checkInstallOptions (const std::map<std::string,
                                       std::string> & pOptions)
        throw (NoRightException,
               UnknownCategoryException,
               UnknownElementException,
               UnknownSetException,
               UnknownBranchException);
      boost::shared_ptr<PackageSystem> __systemPackageSystem;
      boost::shared_ptr<Plugin::PluginSystem> __userPluginSystem;
      Branch * checkPackageToInstall (Plugin::InstallerInterface * installer,
                                      const std::string & prefix)
        throw (AlreadyExistingBranchException,
               UnknownElementException,
               UnknownBranchException);
      static std::map<std::string,
                      boost::shared_ptr<PackageSystem> > __instances;
      boost::signal<void (Element *)> __newElement;
      boost::signal<void (Category *)> __newCategory;
      boost::signal<void (Plugin::InstallerInterface *)> __newInstaller;

    public :     
      friend class Store;
      ~PackageSystem ();
      static boost::shared_ptr<PackageSystem> create(const std::string & userName);
      
      Element * getElement (const std::string & elementName)
        throw (UnknownElementException);

      const std::list<Element *> & getElements ();

      Category * getCategory (const std::string & categoryName)
        throw (UnknownCategoryException);

      const std::list<Category *> & getCategorys ();

      void removeSet (const std::string & name)
        throw (UnknownElementException);

      void add (Element * package)
        throw (Util::NullPointerException,
               AlreadyExistingSetException);
      
      void add (Category * category)
        throw (Util::NullPointerException,
               AlreadyExistingCategoryException);

      void removeCategory (const std::string & name)
        throw (UnknownCategoryException);

      Plugin::InstallerInterface * install (const std::string url,
                                            std::map<std::string,
                                            std::string> installerOptions)
        throw (AlreadyExistingBranchException,
               Plugin::NoPluginHandlerException,
               UnknownCategoryException,
               UnknownSetException,
               UnknownElementException,
               UnknownBranchException,
               NoRightException);

      void uninstall (const std::string & elementName,
                      const std::string & branchName = "")
        throw (UnknownElementException);

      Branch * getBranchOfFile (const std::string & file)
        throw (FileNotFoundException);

      void checkDependency (const std::string & elementName)
        throw (DependencyException);
      
      boost::signal<void (Element *)> & signalNewElement ();
      boost::signal<void (Category *)> & signalNewCategory ();
      boost::signal<void (Plugin::InstallerInterface *)> & signalNewInstaller ();
      
      inline const std::string & user ()
      {
        return __user;
      }

      inline const std::string & user () const
      {
        return __user;
      }
    };

    typedef struct isInDependency : public std::binary_function<Element *, std::string, bool>
    {
      bool operator() (Element * element,
                       const std::string & categoryName) const;
    };
  }
}
#endif

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