helper.h

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#ifndef QHELPER_H
#define QHELPER_H
 
#include <QString>
#include <string_view>
#include <vector>
 
 
class QS : public QString {
public:
    explicit QS(const QChar *unicode, int size = -1) : QString(unicode, size) {}
    QS() = default;
    QS(QString &&s) : QString(s) {}
    QS(QString const &s) : QString(s) {}
    QS(QChar c) : QString(c) {}
    QS(char const *p, int n = -1) : QString(QLatin1String(p, n)) {}
    QS(std::string_view const &s) : QS(s.data(), (int)s.size()) {}
    QS(std::string const &s) : QString(QString::fromStdString(s)) {}
    QS(std::vector<char> const &s) : QS(s.data(), (int)s.size()) {}
    operator std::string () const { return toStdString(); }
    std::string ss() const { return toStdString(); }
    QS &operator += (std::string const &s) { append(fromStdString(s)); return *this; }
};
 
class QBA : public QByteArray {
public:
    QBA() = default;
    QBA(QByteArray const &ba) : QByteArray(ba) {}
    QBA(char const *p, int n = -1) : QByteArray(p, n) {}
    QBA(int n, char c) : QByteArray(n, c) {}
    QBA(std::string const &s) : QBA(s.data(), (int)s.size()) {}
    QBA(std::string_view const &s) : QBA(s.data(), (int)s.size()) {}
    QBA(std::vector<char> const &s) : QBA(s.data(), (int)s.size()) {}
    std::vector<char> vc() const { return std::vector<char>(begin(), end()); }
    std::string_view sv() const { return std::string_view(data(), size()); }
    operator std::string_view () const { return sv(); }
};
 
class QSL : public QStringList {
public:
    QSL() = default;
    QSL(QStringList const &sl) : QStringList(sl) {}
    QSL(std::vector<std::string> const &v)
    {
        for (std::string const &s : v) {
            push_back(QString::fromStdString(s));
        }
    }
    std::vector<std::string> vs() const
    {
        std::vector<std::string> v;
        for (const QString &s : *this) {
            v.push_back(s.toStdString());
        }
        return v;
    }
    operator std::vector<std::string> () const
    {
        return vs();
    }
};
 
namespace misc {
static inline QString escape_double_quote_for_file_open(QString const &in)
{
    // 二重引用符を補う
    QString out;
    for (QChar c : in) {
        if (c == '\"') {
            out += '\\';
        }
        out += c;
    }
    return out;
}
 
}
 
#endif // QHELPER_H