#define ModelAPI_Expression_H_
#include "ModelAPI.h"
+
#include <memory>
#include <set>
#include <string>
*/
class ModelAPI_Expression
{
- protected:
- bool myIsInitialized; ///< is some value assigned to this attribute
-
public:
/// To virtually destroy the fields of successors
MODELAPI_EXPORT virtual ~ModelAPI_Expression();
/// Makes attribute initialized
MODELAPI_EXPORT virtual void setInitialized();
- /// Defines the double value
- MODELAPI_EXPORT virtual void setValue(const double theValue) = 0;
-
- /// Returns the double value
- MODELAPI_EXPORT virtual double value() = 0;
-
/// Sets the text of this Expression
MODELAPI_EXPORT virtual void setText(const std::string& theText) = 0;
MODELAPI_EXPORT virtual std::string error() = 0;
/// Defines the used parameters (by the parameters listener)
- MODELAPI_EXPORT virtual void setUsedParameters(const std::set<std::string>& theUsedParameters) = 0;
+ MODELAPI_EXPORT virtual
+ void setUsedParameters(const std::set<std::string>& theUsedParameters) = 0;
/// Returns the used parameters
MODELAPI_EXPORT virtual std::set<std::string> usedParameters() const = 0;
+ /// Returns True if the given string can be defined as a name of an expression variable
+ MODELAPI_EXPORT static bool isVariable(const std::string& theString);
+
protected:
/// Objects are created for features automatically
MODELAPI_EXPORT ModelAPI_Expression();
+ /// Reinitializes the internal state of the attribute (may be needed on undo/redo, abort, etc)
+ MODELAPI_EXPORT virtual void reinit() = 0;
+ /// Resets attribute to deafult state.
+ MODELAPI_EXPORT virtual void reset() {
+ myIsInitialized = false;
+ };
+
+ bool myIsInitialized; ///< is some value assigned to this attribute
+
+ friend class Model_Data;
+ friend class Model_AttributeDouble;
+ friend class Model_AttributeInteger;
+ friend class GeomData_Point;
+ friend class GeomData_Point2D;
+};
+
+
+/**\class ModelAPI_ExpressionDouble
+ * \ingroup DataModel
+ * \brief Expression for calculated double values.
+ */
+class ModelAPI_ExpressionDouble : public virtual ModelAPI_Expression
+{
+ public:
+ /// Defines the double value
+ MODELAPI_EXPORT virtual void setValue(const double theValue) = 0;
+
+ /// Returns the double value
+ MODELAPI_EXPORT virtual double value() = 0;
+
+ protected:
+ /// Objects are created for features automatically
+ MODELAPI_EXPORT ModelAPI_ExpressionDouble();
+
+ friend class Model_Data;
+};
+
+
+/**\class ModelAPI_ExpressionInteger
+ * \ingroup DataModel
+ * \brief Expression for calculated integer values.
+ */
+class ModelAPI_ExpressionInteger : public virtual ModelAPI_Expression
+{
+ public:
+ /// Defines the integer value
+ MODELAPI_EXPORT virtual void setValue(const int theValue) = 0;
+
+ /// Returns the integer value
+ MODELAPI_EXPORT virtual int value() = 0;
+
+ protected:
+ /// Objects are created for features automatically
+ MODELAPI_EXPORT ModelAPI_ExpressionInteger();
friend class Model_Data;
};
-//! Pointer on Expression object
+
+//! Smart pointers for objects
typedef std::shared_ptr<ModelAPI_Expression> ExpressionPtr;
+typedef std::shared_ptr<ModelAPI_ExpressionDouble> ExpressionDoublePtr;
+typedef std::shared_ptr<ModelAPI_ExpressionInteger> ExpressionIntegerPtr;
#endif