Martin Rotter 192c08dbc4 Save
2021-02-01 09:57:32 +01:00

45 lines
1.4 KiB
C++
Executable File

// For license of this file, see <project-root-folder>/LICENSE.md.
#ifndef TEXTFACTORY_H
#define TEXTFACTORY_H
#include "definitions/definitions.h"
#include <QDateTime>
#include <QFontMetrics>
class TextFactory {
private:
// Constructors and destructors.
TextFactory();
public:
static QString extractUsernameFromEmail(const QString& email_address);
static QColor generateColorFromText(const QString& text);
static int stringHeight(const QString& string, const QFontMetrics& metrics);
static int stringWidth(const QString& string, const QFontMetrics& metrics);
// Tries to parse input textual date/time representation.
// Returns invalid date/time if processing fails.
// NOTE: This method tries to always return time in UTC+00:00.
static QDateTime parseDateTime(const QString& date_time);
// Converts 1970-epoch miliseconds to date/time.
// NOTE: This apparently returns date/time in localtime.
static QDateTime parseDateTime(qint64 milis_from_epoch);
static QString encrypt(const QString& text);
static QString decrypt(const QString& text);
static QString newline();
// Shortens input string according to given length limit.
static QString shorten(const QString& input, int text_length_limit = TEXT_TITLE_LIMIT);
private:
static quint64 initializeSecretEncryptionKey();
static quint64 generateSecretEncryptionKey();
static quint64 s_encryptionKey;
};
#endif // TEXTFACTORY_H