langselect.h

/*
 * SPDX-FileCopyrightText: (C) 2018-2022 Matthias Fehring <mf@huessenbergnetz.de>
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef C_UTILS_LANGSELECT_H
#define C_UTILS_LANGSELECT_H
 
#include <Cutelyst/cutelyst_global.h>
#include <Cutelyst/plugin.h>
 
#include <QLocale>
#include <QVector>
 
namespace Cutelyst {
 
class Context;
class LangSelectPrivate;
 
class CUTELYST_PLUGIN_UTILS_LANGSELECT_EXPORT LangSelect : public Plugin
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(LangSelect)
public:
    enum Source : quint8 {
        URLQuery = 0, 
        Session = 1,  
        Cookie =
            2, 
        SubDomain = 3, 
        Domain =
            4, 
        AcceptHeader =
            254, 
        Fallback = 255 
    };
    Q_ENUM(Source)
 
    
    LangSelect(Application *parent, Source source);
 
    LangSelect(Application *parent);
 
    virtual ~LangSelect() override;
 
    void setSupportedLocales(const QVector<QLocale> &locales);
 
    void setSupportedLocales(const QStringList &locales);
 
    void addSupportedLocale(const QLocale &locale);
 
    void addSupportedLocale(const QString &locale);
 
    void setLocalesFromDir(const QString &path,
                           const QString &name,
                           const QString &prefix = QStringLiteral("."),
                           const QString &suffix = QStringLiteral(".qm"));
 
    void setLocalesFromDirs(const QString &path, const QString &name);
 
    QVector<QLocale> supportedLocales() const;
 
    void setQueryKey(const QString &key);
 
    void setSessionKey(const QString &key);
 
    void setCookieName(const QString &name);
 
    void setSubDomainMap(const QMap<QString, QLocale> &map);
 
    void setDomainMap(const QMap<QString, QLocale> &map);
 
    void setFallbackLocale(const QLocale &fallback);
 
    void setDetectFromHeader(bool enabled);
 
    void setLanguageCodeStashKey(const QString &key = QStringLiteral("c_langselect_lang"));
 
    void setLanguageDirStashKey(const QString &key = QStringLiteral("c_langselect_dir"));
 
    static QVector<QLocale> getSupportedLocales();
 
    static bool fromUrlQuery(Context *c, const QString &key = QString());
 
    static bool fromSession(Context *c, const QString &key = QString());
 
    static bool fromCookie(Context *c, const QString &name = QString());
 
    static bool
        fromSubDomain(Context *c,
                      const QMap<QString, QLocale> &subDomainMap = QMap<QString, QLocale>());
 
    static bool fromDomain(Context *c,
                           const QMap<QString, QLocale> &domainMap = QMap<QString, QLocale>());
 
    static bool fromPath(Context *c, const QString &locale);
 
protected:
    virtual bool setup(Application *app) override;
 
private:
    LangSelectPrivate *const d_ptr;
};
 
} // namespace Cutelyst
 
#endif // C_UTILS_LANGSELECT_H