struct CCL::Persistence::IExpression

Overview

Expression tree interface. More…

#include <ipersistentexpression.h>

struct IExpression: public CCL::IUnknown
{
    // enums

    enum Type;

    // methods

    virtual Type CCL_API getExpressionType () = 0;
    virtual IExpression*CCL_API getOperand1 () = 0;
    virtual IExpression*CCL_API getOperand2 () = 0;
    virtual StringID CCL_API getVariableName () = 0;
    virtual VariantRef CCL_API getValue () = 0;
    virtual const Variant*CCL_API getValueAt (int i) = 0;
};

Inherited Members

public:
    // methods

    virtual tresult CCL_API queryInterface (UIDRef iid, void** ptr) = 0;
    virtual unsigned int CCL_API retain () = 0;
    virtual unsigned int CCL_API release () = 0;

Detailed Documentation

Expression tree interface.

Methods

virtual IExpression*CCL_API getOperand1 () = 0

for kAnd, kOr, kNot

virtual IExpression*CCL_API getOperand2 () = 0

for kAnd, kOr

virtual StringID CCL_API getVariableName () = 0

for kEquals, … kIn

virtual VariantRef CCL_API getValue () = 0

for kEquals, … kContains

virtual const Variant*CCL_API getValueAt (int i) = 0

for kIn