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-rw-r--r--lib/util.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/util.cpp b/lib/util.cpp
index fc90ea76..d042aa34 100644
--- a/lib/util.cpp
+++ b/lib/util.cpp
@@ -38,6 +38,7 @@ static void linkifyUrls(QString& htmlEscapedText)
// comma or dot
// Note: outer parentheses are a part of C++ raw string delimiters, not of
// the regex (see http://en.cppreference.com/w/cpp/language/string_literal).
+ // Note2: yet another pair of outer parentheses are \1 in the replacement.
static const QRegularExpression FullUrlRegExp(QStringLiteral(
R"(((www\.(?!\.)|(https?|ftp|magnet)://)(&(?![lg]t;)|[^&\s<>'"])+(&(?![lg]t;)|[^&!,.\s<>'"\]):])))"
), RegExpOptions);
@@ -46,6 +47,11 @@ static void linkifyUrls(QString& htmlEscapedText)
static const QRegularExpression EmailAddressRegExp(QStringLiteral(
R"((mailto:)?(\b(\w|\.|-)+@(\w|\.|-)+\.\w+\b))"
), RegExpOptions);
+ // An interim liberal implementation of
+ // https://matrix.org/docs/spec/appendices.html#identifier-grammar
+ static const QRegularExpression MxIdRegExp(QStringLiteral(
+ R"((^|[^<>/])([!#@][-a-z0-9_=/.]{1,252}:[-.a-z0-9]+))"
+ ), RegExpOptions);
// NOTE: htmlEscapedText is already HTML-escaped! No literal <,>,&
@@ -53,6 +59,8 @@ static void linkifyUrls(QString& htmlEscapedText)
QStringLiteral(R"(<a href="mailto:\2">\1\2</a>)"));
htmlEscapedText.replace(FullUrlRegExp,
QStringLiteral(R"(<a href="\1">\1</a>)"));
+ htmlEscapedText.replace(MxIdRegExp,
+ QStringLiteral(R"(\1<a href="https://matrix.to/#/\2">\2</a>)"));
}
QString QMatrixClient::prettyPrint(const QString& plainText)