RedPanda-CPP/RedPandaIDE/utils.h

#ifndef UTILS_H
#define UTILS_H

#include <type_traits>
#include <utility>


class QByteArray;
class QString;
class QStringList;

#define ENCODING_AUTO_DETECT "AUTO"
#define ENCODING_UTF8   "UTF-8"
#define ENCODING_UTF8_BOM "UTF-8 BOM"
#define ENCODING_SYSTEM_DEFAULT   "SYSTEM"
#define ENCODING_ASCII  "ASCII"

typedef void (*LineOutputFunc) (const QString& line);
typedef bool (*CheckAbortFunc) ();
bool isGreenEdition();

const QByteArray GuessTextEncoding(const QByteArray& text);

bool isTextAllAscii(const QString& text);

QByteArray runAndGetOutput(const QString& cmd, const QString& workingDir, const QStringList& arguments, bool inheritEnvironment = false);

bool isNonPrintableAsciiChar(char ch);

bool fileExists(const QString& file);
bool fileExists(const QString& dir, const QString& fileName);
bool directoryExists(const QString& file);


template <class F>
class final_action
{
public:
    static_assert(!std::is_reference<F>::value && !std::is_const<F>::value &&
                      !std::is_volatile<F>::value,
                  "Final_action should store its callable by value");

    explicit final_action(F f) noexcept : f_(std::move(f)) {}

    final_action(final_action&& other) noexcept
        : f_(std::move(other.f_)), invoke_(std::exchange(other.invoke_, false))
    {}

    final_action(const final_action&) = delete;
    final_action& operator=(const final_action&) = delete;
    final_action& operator=(final_action&&) = delete;

    ~final_action() noexcept
    {
        if (invoke_) f_();
    }

private:
    F f_;
    bool invoke_{true};
};

template <class F> final_action<typename std::remove_cv<typename std::remove_reference<F>::type>::type>
finally(F&& f) noexcept
{
    return final_action<typename std::remove_cv<typename std::remove_reference<F>::type>::type>(
        std::forward<F>(f));
}

#endif // UTILS_H