/****************************************************************************
** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
** All right reserved.
**
** Permission is hereby granted, free of charge, to any person obtaining
** a copy of this software and associated documentation files (the
** "Software"), to deal in the Software without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**
****************************************************************************/
#ifndef XLSXRICHSTRING_H
#define XLSXRICHSTRING_H

#include "xlsxformat.h"
#include "xlsxglobal.h"

#include <QSharedDataPointer>
#include <QStringList>
#include <QVariant>

QT_BEGIN_NAMESPACE_XLSX
class RichStringPrivate;
class RichString;
using QHashType = decltype(qHash(0));
// qHash is a friend, but we can't use default arguments for friends (§8.3.6.4)
QHashType qHash(const RichString &rs, QHashType seed = 0) Q_DECL_NOTHROW;

class QXLSX_EXPORT RichString
{
public:
    RichString();
    explicit RichString(const QString &text);
    RichString(const RichString &other);
    ~RichString();

    bool isRichString() const;
    bool isNull() const;
    bool isEmtpy() const;
    QString toPlainString() const;
    QString toHtml() const;
    void setHtml(const QString &text);

    int fragmentCount() const;
    void addFragment(const QString &text, const Format &format);
    QString fragmentText(int index) const;
    Format fragmentFormat(int index) const;

    operator QVariant() const;

    RichString &operator=(const RichString &other);

private:
    friend QHashType qHash(const RichString &rs, QHashType seed) Q_DECL_NOTHROW;
    friend bool operator==(const RichString &rs1, const RichString &rs2);
    friend bool operator!=(const RichString &rs1, const RichString &rs2);
    friend bool operator<(const RichString &rs1, const RichString &rs2);
    friend QDebug operator<<(QDebug dbg, const RichString &rs);

    QSharedDataPointer<RichStringPrivate> d;
};

bool operator==(const RichString &rs1, const RichString &rs2);
bool operator!=(const RichString &rs1, const RichString &rs2);
bool operator<(const RichString &rs1, const RichString &rs2);
bool operator==(const RichString &rs1, const QString &rs2);
bool operator==(const QString &rs1, const RichString &rs2);
bool operator!=(const RichString &rs1, const QString &rs2);
bool operator!=(const QString &rs1, const RichString &rs2);

#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug dbg, const RichString &rs);
#endif

QT_END_NAMESPACE_XLSX

Q_DECLARE_METATYPE(QXlsx::RichString)

#endif // XLSXRICHSTRING_H
