misc.h

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#ifndef MISC_H
#define MISC_H
 
#include <QApplication>
#include <QStringList>
#include <QDateTime>
#include <functional>
#include <vector>
#include <cstdint>
#include <QColor>
 
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
#define _SkipEmptyParts QString::SkipEmptyParts
#else
#define _SkipEmptyParts Qt::SkipEmptyParts
#endif
 
class QContextMenuEvent;
 
class misc {
public:
    static int stricmp(char const *s1, char const *s2)
    {
#ifdef _WIN32
        return ::stricmp(s1, s2);
#else
        return ::strcasecmp(s1, s2);
#endif
    }
 
    static int strnicmp(char const *s1, char const *s2, size_t n)
    {
#ifdef _WIN32
        return ::strnicmp(s1, s2, n);
#else
        return ::strncasecmp(s1, s2, n);
#endif
    }
 
    static char const *stristr(const char *haystack, const char *needle)
    {
        size_t needle_len = strlen(needle);
        for (const char *p = haystack; *p; p++) {
            if (strnicmp(p, needle, needle_len) == 0) {
                return p;
            }
        }
        return nullptr;
    }
 
    static QString getApplicationDir();
    // static std::vector<std::string_view> splitLines(const QByteArray &ba);
    static QStringList splitLines(QByteArray const &ba, std::function<QString(char const *ptr, size_t len)> const &tos);
    static QStringList splitLines(QString const &text);
    static std::vector<std::string_view> splitLinesV(const std::string_view &str, bool keep_newline);
    static std::vector<std::string_view> splitLinesV(QByteArray const &ba, bool keep_newline);
    static std::vector<std::string> splitLines(std::string_view const &str, bool keep_newline);
    static std::vector<std::string_view> splitWords(std::string_view const &text);
    static QStringList splitWords(QString const &text);
    static QString getFileName(QString const &path);
    static QString makeDateTimeString(const QDateTime &dt);
    static bool starts_with(std::string const &str, std::string const &with);
    static bool ends_with(std::string const &str, std::string const &with);
    static std::string mid(std::string const &str, int start, int length = -1);
    static QString normalizePathSeparator(QString const &str);
    static QString joinWithSlash(QString const &left, QString const &right);
    static void setFixedSize(QWidget *w);
    static void drawFrame(QPainter *pr, int x, int y, int w, int h, QColor color_topleft, QColor color_bottomright = QColor());
    static void dump(const uint8_t *ptr, size_t len);
    static void dump(QByteArray const *in);
    static bool isText(std::string const &mimetype);
    static bool isImage(std::string const &mimetype);
    static bool isSVG(std::string const &mimetype);
    static bool isPSD(std::string const &mimetype);
    static bool isPDF(std::string const &mimetype);
    static QString abbrevBranchName(QString const &name);
    static std::string makeProxyServerURL(std::string text);
    static QString makeProxyServerURL(QString text);
    static QPoint contextMenuPos(QWidget *w, QContextMenuEvent *e);
    static bool isExecutable(QString const &cmd);
 
    static QString collapseWhitespace(QString const &source);
    static bool isValidMailAddress(const QString &email);
    static bool isValidMailAddress(std::string const &email);
 
    static std::string_view trimmed(std::string_view const &s);
    static std::string_view trimQuotes(std::string_view s);
    static std::string_view trimNewLines(std::string_view s);
 
    static std::string bin_to_hex_string(const void *begin, const void *end);
    static std::vector<uint8_t> hex_string_to_bin(std::string_view const &s, const char *sep = nullptr);
 
    static int compare(uint8_t const *a, size_t n, uint8_t const *b, size_t m);
    static int compare(std::vector<uint8_t> const &a, std::vector<uint8_t> const &b);
 
    static std::vector<std::string> vector_string(std::vector<std::string_view> const &v)
    {
        std::vector<std::string> out;
        for (auto const &s : v) {
            out.emplace_back(s);
        }
        return out;
    }
 
    template <typename T>
    static inline T toi(std::string_view const &s, size_t *consumed = nullptr)
    {
        T n = 0;
        size_t i = 0;
        bool sign = false;
        if (!s.empty()) {
            while (i < s.size() && isspace((unsigned char)s[i])) {
                i++;
            }
            if (i < s.size()) {
                if (s[i] == '+') {
                    i++;
                } else if (s[i] == '-') {
                    sign = true;
                    i++;
                }
            }
            while (i < s.size()) {
                if (s[i] < '0' || s[i] > '9') break;
                n = n * 10 + (s[i] - '0');
                i++;
            }
        }
        if (consumed) {
            *consumed = i;
        }
        return sign ? -n : n;
    }
};
 
#endif // MISC_H