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SketchPool.h Go to the documentation of this file. //-*-c++-*- #ifndef INCLUDED_SketchPool_h #define INCLUDED_SketchPool_h #include <vector> #include <iostream> #include <sstream> // for ostringstream #include "Shared/ProjectInterface.h" #include "SketchPoolRoot.h" #include "Macrodefs.h" namespace DualCoding { class SketchSpace; class SketchDataRoot; template<class T> class SketchData; //! Manages a pool of SketchData<T> instances template<typename T> class SketchPool : public SketchPoolRoot { public: //! this is made public so VisualRoutinesBehavior can access std::vector<SketchData<T>*> elements; SketchPool<T>(SketchSpace *_space, int poolsize = 0); ~SketchPool<T>(); //! called by SketchPool to clear out non-static Viewable Sketch's void clear(); SketchData<T>* get_free_element(void); SketchData<T>* findSketchData(const std::string &name); //! Returns a list of the valid SketchData's in this pool. std::string getSketchListForGUI(); //! Returns a copy of the sketch with specified ID, null if no such Sketch. SketchDataRoot* retrieveSketch(int id); void dumpPool() const; private: // typename for iteration over elements typedef typename std::vector<SketchData<T>*>::const_iterator CI; SketchPool(const SketchPool&); //<! never call this SketchPool& operator=(const SketchPool&); //!< never call this }; // **************** Implementation **************** template <class T> SketchPool<T>::SketchPool(SketchSpace *_space, int poolsize) : SketchPoolRoot(_space), elements(std::vector<SketchData<T>*>(poolsize)) { for (int i=0; i<poolsize; i++) { elements[i] = new SketchData<T>(space); }; } template <class T> SketchPool<T>::~SketchPool() { for (unsigned int i = 0; i < elements.size(); i++) { if(elements[i]->refcount > 0) printf("ERROR in ~SketchPool<T>: Element %d [%p] has ref_count == %d != 0\n", i,elements[i],elements[i]->refcount); else delete elements[i]; } } template <class T> void SketchPool<T>::clear() { for (CI it = elements.begin(); it != elements.end(); it++ ) { /* cout << "clear " << (*it)->space->name << " " << (*it)->id << " " << (*it)->name << " refcount=" << (*it)->refcount << " refreshTag=" << (*it)->refreshTag << " refCntr=" << getRefreshCounter() << " viewable=" << (*it)->viewable << " clrpend=" << (*it)->clearPending << endl; */ if ( (*it)->refcount == 0 && (*it)->refreshTag < getRefreshCounter() ) { (*it)->setViewable(false); (*it)->clearPending = false; } else (*it)->clearPending = true; } } template <class T> SketchData<T>* SketchPool<T>::get_free_element(void) { for (CI it = elements.begin(); it != elements.end(); it++ ) { if ( (*it)->refcount == 0 && (*it)->viewable == false ) return *it; else if ( (*it)->refcount < 0 ) std::cerr << "PROBLEM: negative refcount" << std::endl; }; SketchData<T>* res = new SketchData<T>(space); elements.push_back(res); return res; } template<class T> SketchData<T>* SketchPool<T>::findSketchData(const std::string &name) { for (CI it = elements.begin(); it != elements.end(); it++ ) if ( (*it)->name == name ) return *it; return NULL; } template<class T> std::string SketchPool<T>::getSketchListForGUI() { std::ostringstream liststream; for ( unsigned int i = 0; i < elements.size(); i++ ) { if ( elements[i]->clearPending ) { elements[i]->setViewable(false); elements[i]->clearPending = false; } else if ( elements[i]->isViewable() ) { elements[i]->refreshTag = getRefreshCounter(); liststream << "sketch" << std::endl; liststream << "id:" << (elements[i])->id << std::endl; liststream << "parentId:" << (elements[i])->parentId << std::endl; liststream << "name:" << (elements[i])->name << std::endl; liststream << "sketchtype:" << elements[i]->getType() << std::endl; liststream << "color:" << ProjectInterface::toString(elements[i]->color) << std::endl; liststream << "colormap:" << elements[i]->colormap << std::endl; } } return liststream.str(); } template <class T> SketchDataRoot* SketchPool<T>::retrieveSketch(int id) { for(unsigned int i = 0; i < elements.size(); i++) if(elements[i]->id == id) return elements[i]; return NULL; } template <class T> void SketchPool<T>::dumpPool() const { printf("%4s %2s %4s %4s\n", "num", "rf", "id", "pid"); for(unsigned int i = 0; i < elements.size(); i++) { if((elements[i])->refcount > 0) { printf("%4d %2d %4d %4d\n", i, (elements[i])->refcount, (elements[i])->id, (elements[i])->parentId); } } } } // namespace #endif

DualCoding 3.0beta

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