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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// 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.
#ifndef Patternist_String_H
#define Patternist_String_H
#include <QUrl>
#include <private/qitem_p.h>
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Implements the value instance of the @c xs:string type.
*
*
* This class was originally called String, and correspondingly the header
* file was called String.h. However, this broke building on OS X, which
* looks up file names case insensitively, and therefore found string.h.
*
* @author Frans Englich <frans.englich@nokia.com>
* @ingroup Patternist_xdm
* @todo Documentation is missing/incomplete
*/
class Q_AUTOTEST_EXPORT AtomicString : public AtomicValue
{
public:
friend class CommonValues;
typedef AtomicValue::Ptr Ptr;
/**
* Creates an instance representing @p value.
*
* @note This function does not remove the string literal escaping allowed in XPath 2.0
*/
static AtomicString::Ptr fromValue(const QString &value);
static inline AtomicString::Ptr fromValue(const QUrl &value)
{
return fromValue(value.toString());
}
/**
* Get the Effective %Boolean Value of this string. A zero-length
* string has an effective boolean value of @c false, in all other cases @c true.
*
* @returns @c false if the contained string has a zero-length, otherwise @c true.
*/
virtual bool evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const;
/**
* The string value of a AtomicString instance is the value space.
*/
virtual QString stringValue() const;
virtual ItemType::Ptr type() const;
protected:
friend class StringComparator;
friend class CompareFN;
AtomicString(const QString &value);
const QString m_value;
};
}
QT_END_NAMESPACE
#endif
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