/*
 * Copyright 2008, Haiku.
 * Distributed under the terms of the MIT license.
 *
 * Authors:
 *              Michael Pfeiffer <laplace@users.sourceforge.net>
 */

#ifndef _STATEMENT_WRAPPER_H
#define _STATEMENT_WRAPPER_H

#include "Statement.h"

// wrapper classes to provide specific access to
// statement members

class StatementWrapper
{
private:
        Statement* fStatement;

public:
        StatementWrapper(Statement* statement);

        Statement* GetStatement() { return fStatement; }        
        const char* GetKeyword() { return fStatement->GetKeyword()->String(); }
};

class GroupStatement : public StatementWrapper
{
private:        
        Value* GetValue();
        
public:
        GroupStatement(Statement* statement);

        // test methods if the wrapped statement is a group statement
        bool IsUIGroup();
        bool IsGroup();
        bool IsSubGroup();
        
        bool IsOpenGroup();
        bool IsCloseGroup();

        bool IsJCL();
        
        // accessors    
        const char* GetGroupName();
        const char* GetGroupTranslation();

        enum Type {
                kPickOne,
                kPickMany,
                kBoolean,
                kUnknown
        };
        
        Type GetType();
};

class ConstraintsStatement : public StatementWrapper
{
public:
        ConstraintsStatement(Statement* statement);
        
        // is this realy a constraints statement
        bool IsConstraints();

        const char* GetFirstKeyword();  
        const char* GetFirstOption();   
        const char* GetSecondKeyword(); 
        const char* GetSecondOption();  
};

class OrderDependencyStatement : public StatementWrapper
{
public:
        OrderDependencyStatement(Statement* statement);

        // is this realy a order dependency statement   
        bool IsOrderDependency();
        
        // is this a NonUIOrderDependencyStatement
        bool IsNonUI();
        
        float GetOrder();
        const char* GetSection();       
        const char* GetKeyword();
        const char* GetOption();
};

#endif