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// Copyright (C) 2023 The Qt Company Ltd.
// Copyright (C) 2018 Pelagicore AG
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QTIFQUERYPARSER_P_H
#define QTIFQUERYPARSER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore>
#include <QtInterfaceFramework/QIfAbstractQueryTerm>
#include <QtInterfaceFramework/private/qifqueryterm_p.h>
#include "qifqueryparsertable_p.h"
QT_BEGIN_NAMESPACE
class Q_QTINTERFACEFRAMEWORK_EXPORT QIfQueryParser: protected QIfQueryParserTable
{
public:
union Value {
int i;
float f;
const QString *s;
};
public:
QIfQueryParser();
virtual ~QIfQueryParser();
QIfAbstractQueryTerm *parse();
void setQuery(const QString& query)
{
m_query = query;
}
QString lastError() {
return m_error;
}
void setAllowedIdentifiers(const QSet<QString> &list)
{
m_identifierList = list;
}
QList<QIfOrderTerm> orderTerms() const
{
return m_orderList;
}
protected:
inline void reallocateStack();
inline QVariant &sym(int index)
{
return sym_stack [tos + index - 1];
}
void initBuffer();
void setErrorString(const QString &error);
void calcCurrentColumn();
int nextToken();
void handleConjunction(bool bangOperator);
void handleScope(bool bang);
void negateLeftMostTerm(QIfAbstractQueryTerm *term);
bool checkIdentifier(const QString &identifer);
protected:
QString m_query;
unsigned int m_offset;
QString m_error;
QSet<QString> m_identifierList;
int column;
int tos;
QVector<QVariant> sym_stack;
QVector<int> state_stack;
QVariant yylval;
QStack<QIfAbstractQueryTerm*> m_termStack;
QStack<QIfFilterTerm::Operator> m_operatorStack;
QStack<QIfConjunctionTerm::Conjunction> m_conjunctionStack;
QList<QIfOrderTerm> m_orderList;
};
#endif // QTIFQUERYPARSER_P_H
QT_END_NAMESPACE
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