52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
// For license of this file, see <project-root-folder>/LICENSE.md.
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#ifndef TEXTFACTORY_H
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#define TEXTFACTORY_H
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#include "definitions/definitions.h"
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#include <QDateTime>
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#include <QFontMetrics>
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class RSSGUARD_DLLSPEC TextFactory {
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private:
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// Constructors and destructors.
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TextFactory();
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public:
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static QColor generateColorFromText(const QString& text);
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static QColor generateRandomColor();
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static QString extractUsernameFromEmail(const QString& email_address);
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static int stringHeight(const QString& string, const QFontMetrics& metrics);
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static int stringWidth(const QString& string, const QFontMetrics& metrics);
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static bool couldBeHtml(const QString& string);
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// Tries to parse input textual date/time representation.
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// Returns invalid date/time if processing fails.
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// NOTE: This method tries to always return time in UTC.
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static QDateTime parseDateTime(const QString& date_time, QString* used_dt_format = nullptr);
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// Converts 1970-epoch miliseconds to date/time.
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// NOTE: This method tries to always return time in UTC.
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static QDateTime parseDateTime(qint64 milis_from_epoch);
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static QStringList dateTimePatterns();
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static QStringList tzOffsetPatterns();
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static QString encrypt(const QString& text, quint64 key = 0);
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static QString decrypt(const QString& text, quint64 key = 0);
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static QString newline();
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static QString capitalizeFirstLetter(const QString& sts);
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static QStringList tokenizeProcessArguments(const QString& command);
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// Shortens input string according to given length limit.
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static QString shorten(const QString& input, int text_length_limit = TEXT_TITLE_LIMIT);
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private:
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static quint64 initializeSecretEncryptionKey();
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static quint64 generateSecretEncryptionKey();
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static quint64 s_encryptionKey;
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};
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#endif // TEXTFACTORY_H
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