/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QURL_H
#define QURL_H

#include <QtCore/qbytearray.h>
#include <QtCore/qobjectdefs.h>
#include <QtCore/qstring.h>
#include <QtCore/qhash.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE


class QUrlPrivate;
class QDataStream;

class Q_CORE_EXPORT QUrl
{
public:
    enum ParsingMode {
        TolerantMode,
        StrictMode
    };

    // encoding / toString values
    enum FormattingOption {
        None = 0x0,
        RemoveScheme = 0x1,
        RemovePassword = 0x2,
        RemoveUserInfo = RemovePassword | 0x4,
        RemovePort = 0x8,
        RemoveAuthority = RemoveUserInfo | RemovePort | 0x10,
        RemovePath = 0x20,
        RemoveQuery = 0x40,
        RemoveFragment = 0x80,
        // 0x100: private: normalized
        PreferLocalFile = 0x200,

        StripTrailingSlash = 0x10000
    };
    Q_DECLARE_FLAGS(FormattingOptions, FormattingOption)

    enum ComponentFormattingOption {
        FullyEncoded = 0x000000,
        DecodeSpaces = 0x100000,
        DecodeUnambiguousDelimiters = 0x200000,
        DecodeAllDelimiters = DecodeUnambiguousDelimiters | 0x400000,
        DecodeUnicode = 0x800000,

        PrettyDecoded = DecodeSpaces | DecodeUnambiguousDelimiters | DecodeUnicode,
        MostDecoded = PrettyDecoded | DecodeAllDelimiters
    };
    Q_DECLARE_FLAGS(ComponentFormattingOptions, ComponentFormattingOption)

    QUrl();
#ifdef QT_NO_URL_CAST_FROM_STRING
    explicit
#endif
    QUrl(const QString &url, ParsingMode mode = TolerantMode);
    QUrl(const QUrl &copy);
    QUrl &operator =(const QUrl &copy);
#ifndef QT_NO_URL_CAST_FROM_STRING
    QUrl &operator =(const QString &url);
#endif
#ifdef Q_COMPILER_RVALUE_REFS
    inline QUrl &operator=(QUrl &&other)
    { qSwap(d, other.d); return *this; }
#endif
    ~QUrl();

    inline void swap(QUrl &other) { qSwap(d, other.d); }

    void setUrl(const QString &url, ParsingMode mode = TolerantMode);
    QString url(FormattingOptions options = None) const;
    QString toString(FormattingOptions options = None) const;
    QString toDisplayString(FormattingOptions options = None) const;

    bool isValid() const;

    bool isEmpty() const;

    void clear();

    void setScheme(const QString &scheme);
    QString scheme() const;

    void setAuthority(const QString &authority);
    QString authority() const;

    void setUserInfo(const QString &userInfo);
    QString userInfo() const;

    void setUserName(const QString &userName);
    QString userName() const;
    void setEncodedUserName(const QByteArray &userName);
    QByteArray encodedUserName() const;

    void setPassword(const QString &password);
    QString password() const;
    void setEncodedPassword(const QByteArray &password);
    QByteArray encodedPassword() const;

    void setHost(const QString &host);
    QString host() const;
    void setEncodedHost(const QByteArray &host);
    QByteArray encodedHost() const;

    void setPort(int port);
    int port(int defaultPort = -1) const;

    void setPath(const QString &path);
    QString path() const;
    void setEncodedPath(const QByteArray &path);
    QByteArray encodedPath() const;

    bool hasQuery() const;
    QByteArray encodedQuery() const;
    void setEncodedQuery(const QByteArray &query);

    void setFragment(const QString &fragment);
    QString fragment() const;
    void setEncodedFragment(const QByteArray &fragment);
    QByteArray encodedFragment() const;
    bool hasFragment() const;
    QString topLevelDomain() const;

    QUrl resolved(const QUrl &relative) const;

    bool isRelative() const;
    bool isParentOf(const QUrl &url) const;

    static QUrl fromLocalFile(const QString &localfile);
    QString toLocalFile() const;
    bool isLocalFile() const;

    QByteArray toEncoded(FormattingOptions options = None) const;

    static QUrl fromUserInput(const QString &userInput);

    void detach();
    bool isDetached() const;

    bool operator <(const QUrl &url) const;
    bool operator ==(const QUrl &url) const;
    bool operator !=(const QUrl &url) const;

    static QString fromPercentEncoding(const QByteArray &);
    static QByteArray toPercentEncoding(const QString &,
                                        const QByteArray &exclude = QByteArray(),
                                        const QByteArray &include = QByteArray());
#if QT_DEPRECATED_SINCE(5,0)
    QT_DEPRECATED static QString fromPunycode(const QByteArray &punycode)
    { return fromAce(punycode); }
    QT_DEPRECATED static QByteArray toPunycode(const QString &string)
    { return toAce(string); }
    QT_DEPRECATED inline void setQueryItems(const QList<QPair<QString, QString> > &qry);
    QT_DEPRECATED inline void addQueryItem(const QString &key, const QString &value);
    QT_DEPRECATED inline QList<QPair<QString, QString> > queryItems() const;
    QT_DEPRECATED inline bool hasQueryItem(const QString &key) const;
    QT_DEPRECATED inline QString queryItemValue(const QString &key) const;
    QT_DEPRECATED inline QStringList allQueryItemValues(const QString &key) const;
    QT_DEPRECATED inline void removeQueryItem(const QString &key);
    QT_DEPRECATED inline void removeAllQueryItems(const QString &key);

#endif

    static QString fromAce(const QByteArray &);
    static QByteArray toAce(const QString &);
    static QStringList idnWhitelist();
    static void setIdnWhitelist(const QStringList &);

    QString errorString() const;

#if QT_DEPRECATED_SINCE(5,0)
    QT_DEPRECATED void setEncodedUrl(const QByteArray &u, ParsingMode mode = TolerantMode)
    { setUrl(QString::fromUtf8(u.constData(), u.size()), mode); }
    QT_DEPRECATED static QUrl fromEncoded(const QByteArray &u, ParsingMode mode = TolerantMode)
    { return QUrl(QString::fromUtf8(u.constData(), u.size()), mode); }
#endif

private:
    QUrlPrivate *d;
public:
    typedef QUrlPrivate * DataPtr;
    inline DataPtr &data_ptr() { return d; }
};

inline uint qHash(const QUrl &url)
{
    return qHash(url.toEncoded(QUrl::FormattingOption(0x100)));
}

Q_DECLARE_TYPEINFO(QUrl, Q_MOVABLE_TYPE);
Q_DECLARE_SHARED(QUrl)
Q_DECLARE_OPERATORS_FOR_FLAGS(QUrl::ComponentFormattingOptions)
Q_DECLARE_OPERATORS_FOR_FLAGS(QUrl::FormattingOptions)

#ifndef QT_NO_DATASTREAM
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QUrl &);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QUrl &);
#endif

#ifndef QT_NO_DEBUG_STREAM
Q_CORE_EXPORT QDebug operator<<(QDebug, const QUrl &);
#endif

QT_END_NAMESPACE

#if QT_DEPRECATED_SINCE(5,0)
# include <QtCore/qurlquery.h>
#endif

QT_END_HEADER

#endif // QURL_H