berryEvaluationContext.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef BERRYEVALUATIONCONTEXT_H_
#define BERRYEVALUATIONCONTEXT_H_
 
#include "berryIEvaluationContext.h"
#include "berryIVariableResolver.h"
#include <org_blueberry_core_expressions_Export.h>
 
#include "Poco/Any.h"
 
#include <vector>
 
#include <QHash>
 
namespace berry {
 
class BERRY_EXPRESSIONS EvaluationContext : public IEvaluationContext
{
 
private:
  IEvaluationContext* const fParent;
  Object::ConstPointer fDefaultVariable;
  QHash<QString, Object::ConstPointer> fVariables;
  std::vector<IVariableResolver*> fVariableResolvers;
  int fAllowPluginActivation;
 
public:
 
  EvaluationContext(IEvaluationContext* parent, const Object::ConstPointer& defaultVariable);
 
  EvaluationContext(IEvaluationContext* parent, const Object::ConstPointer& defaultVariable,
                    const std::vector<IVariableResolver*>& resolvers);
 
 
  IEvaluationContext* GetParent() const override;
 
  IEvaluationContext* GetRoot() const override;
 
  Object::ConstPointer GetDefaultVariable() const override;
 
  void SetAllowPluginActivation(bool value) override;
 
  bool GetAllowPluginActivation() const override;
 
  void AddVariable(const QString& name, const Object::ConstPointer& value) override;
 
  Object::ConstPointer RemoveVariable(const QString& name) override;
 
  Object::ConstPointer GetVariable(const QString &name) const override;
 
  Object::ConstPointer ResolveVariable(const QString& name, const QList<Object::Pointer>& args) const override;
};
 
}  // namespace berry
 
#endif /*BERRYEVALUATIONCONTEXT_H_*/