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build2/epsilon-master/apps/shared/function_store.h 1.21 KB
6663b6c9   adorian   projet complet av...
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  #ifndef SHARED_FUNCTION_STORE_H
  #define SHARED_FUNCTION_STORE_H
  
  #include "function.h"
  #include "expression_model_store.h"
  #include <stdint.h>
  
  namespace Shared {
  
  /* FunctionStore is a dumb class.
   * Its only job is to store functions and to give them a color. */
  
  class FunctionStore : public ExpressionModelStore {
  public:
    FunctionStore();
    virtual uint32_t storeChecksum() = 0;
    virtual Function * modelAtIndex(int i) override = 0;
    virtual Function * activeFunctionAtIndex(int i);
    virtual Function * definedFunctionAtIndex(int i) { return static_cast<Function *>(definedModelAtIndex(i)); }
    // An active function must be defined to be counted
    int numberOfActiveFunctions();
    virtual char symbol() const = 0;
  protected:
    static const char * const name(Shared::Function * f) { return f->name(); }
    static KDColor const color(Shared::Function * f) { return f->color(); }
    template<typename T> using AttributeGetter = T (*)(Function * f);
    template<typename T> T firstAvailableAttribute(T attributes[], AttributeGetter<T> attribute);
    const KDColor firstAvailableColor() {
      return firstAvailableAttribute(Palette::DataColor, FunctionStore::color);
    }
  private:
    virtual const char * firstAvailableName() = 0;
  };
  
  }
  
  #endif