Moved: module 'pc_container' to libpEpCxx11

src/pc_container.hh

@@ -1,87 +0,0 @@
-// This file is under GNU General Public License 3.0
-// see LICENSE.txt
-
-#ifndef LIBPEPADAPTER_PC_CONTAINER_HH
-#define LIBPEPADAPTER_PC_CONTAINER_HH
-
-// Container adapter that contains a container and a producer/consume queue
-// that holds references to all changed elements
-
-#include <functional>
-#include <list>
-#include "locked_queue.hh"
-
-namespace pEp
-{
-
-enum class PC_State { Illegal = 0, Created = 1, Deleted = 2, Changed = 3 };
-
-
-// Producer/Consumer container.
-// 
-// The "Producer" works on a std::list: inserts, changes, erases elements and 
-// informs a "Consumer" via a queue about the changes.
-//
-// The "Consumer" can poll for changes and process them asynchronously.
-//
-// Pdata = data of the producer. May be read by the consumer.
-// Cdata = data of the consumer.
-template<class Pdata, class Cdata>
-class pc_container
-{
-public:
-    struct PC
-    {
-        Pdata* pdata; // data of the producer. Will be nullptr for erased elements
-        Cdata* cdata; // data of the consumer.
-        
-        PC_State state() const noexcept { return PC_State((pdata!=nullptr) + (cdata!=nullptr)*2); }
-    };
-    
-    typedef std::list<PC> Container;
-    
-    typename Container::const_iterator cbegin() const noexcept { return c.cbegin(); }
-    typename Container::const_iterator cend()   const noexcept { return c.cend();   }
-    typename Container::const_iterator begin()  const noexcept { return c.cbegin(); }
-    typename Container::const_iterator end()    const noexcept { return c.cend();   }
-    typename Container::iterator       begin()        noexcept { return c.begin(); }
-    typename Container::iterator       end()          noexcept { return c.end();   }
-    
-    std::size_t size()  const noexcept { return c.size();  }
-    bool        empty() const noexcept { return c.empty(); }
-
-
-    void insert(Pdata* pd)
-    {
-        c.push_back({ pd, nullptr });
-    }
-    
-    // Beware: does not delete *pdata nor *cdata! That's producer's and consumer's task!
-    typename Container::iterator erase(typename Container::const_iterator pos)
-    {
-        return c.erase(pos);
-    }
-    
-    // removes all elements with pdata==null && cdata==null
-    void compact()
-    {
-        c.remove_if( [](const PC& elem) { return elem.pdata==nullptr && elem.cdata==nullptr; } );
-    }
-    
-    // clear the container. Delete all *pdata via custom deleter functor.
-    void clear(std::function<void(Pdata*)> deleter = [](Pdata *e) { delete e; })
-    {
-        for(auto q=begin(); q!=end(); q=erase(q))
-        {
-            deleter(q->pdata);
-            q->pdata = nullptr;
-        }
-    }
-
-private:
-    Container c;
-};
-
-} // end of namespace pEp
-#endif // LIBPEPADAPTER_PC_CONTAINER_HH
-