RowFunctionParser.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
 
#pragma once
 
#include <sal/config.h>
#include "FDatabaseMetaDataResultSet.hxx"
#include <connectivity/dbtoolsdllapi.hxx>
#include <memory>
 
namespace connectivity
{
enum class ExpressionFunct
{
    Equation,
    And,
    Or
};
 
#define EXPRESSION_FLAG_SUMANGLE_MODE 1
 
class OOO_DLLPUBLIC_DBTOOLS SAL_NO_VTABLE ExpressionNode
{
public:
    virtual ~ExpressionNode() {}
 
    virtual ORowSetValueDecoratorRef
    evaluate(const ODatabaseMetaDataResultSet::ORow& _aRow) const = 0;
 
    virtual void fill(const ODatabaseMetaDataResultSet::ORow& _aRow) const = 0;
};
 
struct OOO_DLLPUBLIC_DBTOOLS ParseError
{
    ParseError(const char*) {}
};
 
class FunctionParser
{
public:
    static std::shared_ptr<ExpressionNode> const& parseFunction(const OUString& _sFunction);
 
private:
    // disabled constructor/destructor, since this is
    // supposed to be a singleton
    FunctionParser() = delete;
    FunctionParser(const FunctionParser&) = delete;
    FunctionParser& operator=(const FunctionParser&) = delete;
};
 
} // namespace connectivity
 
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