MprStatement.h

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#ifndef CNOID_MANIPULATOR_PLUGIN_MPR_STATEMENT_H
#define CNOID_MANIPULATOR_PLUGIN_MPR_STATEMENT_H
 
#include <cnoid/ClonableReferenced>
#include <cnoid/HierarchicalClassRegistry>
#include <cnoid/PolymorphicFunctionSet>
#include <string>
#include "exportdecl.h"
 
namespace cnoid {
 
class MprProgram;
class MprStructuredStatement;
class Mapping;
 
class CNOID_EXPORT MprStatement : public ClonableReferenced
{
public:
    int classId() const {
        if(classId_ < 0) validateClassId();
        return classId_;
    }
    
    MprStatement* clone() const {
        return static_cast<MprStatement*>(doClone(nullptr));
    }
    MprStatement* clone(CloneMap& cloneMap) const {
        return static_cast<MprStatement*>(doClone(&cloneMap));
    }
 
    std::string label() const;
    virtual std::string label(int index) const = 0;
 
    MprProgram* holderProgram() const;
    MprStructuredStatement* holderStatement() const;
    MprProgram* topLevelProgram() const;
 
    virtual MprProgram* getLowerLevelProgram();
 
    void notifyUpdate();
 
    virtual bool read(MprProgram* program, const Mapping& archive) = 0;
    virtual bool write(Mapping& archive) const = 0;
 
protected:
    MprStatement();
    MprStatement(const MprStatement& org);
    ~MprStatement();
    
private:
    mutable int classId_;
    weak_ref_ptr<MprProgram> holderProgram_;
 
    void validateClassId() const;
 
    friend class MprProgram;
};
 
typedef ref_ptr<MprStatement> MprStatementPtr;
 
 
class CNOID_EXPORT MprStatementClassRegistry : public HierarchicalClassRegistry<MprStatement>
{
public:
    static MprStatementClassRegistry& instance();
 
private:
    MprStatementClassRegistry();
};
 
 
class CNOID_EXPORT PolymorphicMprStatementFunctionSet : public PolymorphicFunctionSet<MprStatement>
{
public:
    PolymorphicMprStatementFunctionSet();
};
 
typedef PolymorphicMprStatementFunctionSet::Dispatcher MprStatementFunctionDispatcher;
 
}
 
#endif