VariablesContainersList.h

#pragma once
#include <vector>
#include <functional>
 
namespace gd {
class String;
class Project;
class Layout;
class VariablesContainer;
class Variable;
}  // namespace gd
 
namespace gd {
 
class GD_CORE_API VariablesContainersList {
 public:
  virtual ~VariablesContainersList(){};
 
  static VariablesContainersList
  MakeNewVariablesContainersListForProjectAndLayout(const gd::Project& project,
                                                    const gd::Layout& layout);
 
  static VariablesContainersList MakeNewEmptyVariablesContainersList();
 
  bool Has(const gd::String& name) const;
 
  const Variable& Get(const gd::String& name) const;
 
  bool HasVariablesContainer(const gd::VariablesContainer& variablesContainer) const;
 
  const VariablesContainer* GetTopMostVariablesContainer() const {
    if (variablesContainers.empty()) return nullptr;
    return variablesContainers.front();
  };
 
  const VariablesContainer* GetBottomMostVariablesContainer() const {
    if (variablesContainers.empty()) return nullptr;
    return variablesContainers.back();
  }
 
  void ForEachVariableMatchingSearch(const gd::String& search, std::function<void(const gd::String& name, const gd::Variable& variable)> fn) const;
 
  VariablesContainersList() {};
 private:
 
  void Add(const gd::VariablesContainer& variablesContainer) {
    variablesContainers.push_back(&variablesContainer);
  };
 
  std::vector<const gd::VariablesContainer*> variablesContainers;
  static Variable badVariable;
};
 
}  // namespace gd