diff options
Diffstat (limited to 'lib/util.cpp')
| -rw-r--r-- | lib/util.cpp | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/lib/util.cpp b/lib/util.cpp index 4e17d2f9..88cba959 100644 --- a/lib/util.cpp +++ b/lib/util.cpp @@ -23,6 +23,10 @@ #include <QtCore/QDir> #include <QtCore/QStringBuilder> +#include <QtCore/QCryptographicHash> +#include <QtCore/QtEndian> +#include <QtCore/QDataStream> + static const auto RegExpOptions = QRegularExpression::CaseInsensitiveOption | QRegularExpression::OptimizeOnFirstUsageOption @@ -41,7 +45,7 @@ void QMatrixClient::linkifyUrls(QString& htmlEscapedText) // <, >, ' or ", and ends before whitespaces, <, >, ', ", ], !, ), :, // comma or dot static const QRegularExpression FullUrlRegExp(QStringLiteral( - R"(\b((www\.(?!\.)(?!(\w|\.|-)+@)|(https?|ftp|magnet)://)(&(?![lg]t;)|[^&\s<>'"])+(&(?![lg]t;)|[^&!,.\s<>'"\]):])))" + R"(\b((www\.(?!\.)(?!(\w|\.|-)+@)|(https?|ftp|magnet|matrix):(//)?)(&(?![lg]t;)|[^&\s<>'"])+(&(?![lg]t;)|[^&!,.\s<>'"\]):])))" ), RegExpOptions); // email address: // [word chars, dots or dashes]@[word chars, dots or dashes].[word chars] @@ -93,6 +97,21 @@ QString QMatrixClient::cacheLocation(const QString& dirName) return cachePath; } +qreal QMatrixClient::stringToHueF(const QString &string) +{ + Q_ASSERT(!string.isEmpty()); + QByteArray hash = QCryptographicHash::hash(string.toUtf8(), + QCryptographicHash::Sha1); + QDataStream dataStream(qToLittleEndian(hash).left(2)); + dataStream.setByteOrder(QDataStream::LittleEndian); + quint16 hashValue; + dataStream >> hashValue; + const auto hueF = + qreal(hashValue)/std::numeric_limits<quint16>::max(); + Q_ASSERT((0 <= hueF) && (hueF <= 1)); + return hueF; +} + // Tests for function_traits<> #ifdef Q_CC_CLANG |