QNetworkCookie: add QBAV overload for parseCookies

Rewrite impl to reduce allocations by QL1S::tokenize

Change-Id: I8d131ef6d7fe9a1a9daa438efea026392deb5e55
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

src/network/access/qnetworkcookie.cpp

@@ -930,13 +930,21 @@ static QDateTime parseDateString(QByteArrayView dateString)
     \sa toRawForm()
 */
 QList<QNetworkCookie> QNetworkCookie::parseCookies(const QByteArray &cookieString)
+{
+    return parseCookies(QByteArrayView(cookieString));
+}
+
+/*!
+    \overload
+    \since 6.7
+*/
+QList<QNetworkCookie> QNetworkCookie::parseCookies(QByteArrayView cookieString)
 {
     // cookieString can be a number of set-cookie header strings joined together
     // by \n, parse each line separately.
     QList<QNetworkCookie> cookies;
-    QList<QByteArray> list = cookieString.split('\n');
-    for (int a = 0; a < list.size(); a++)
-        cookies += QNetworkCookiePrivate::parseSetCookieHeaderLine(list.at(a));
+    for (auto s : QLatin1StringView(cookieString).tokenize('\n'_L1))
+        cookies += QNetworkCookiePrivate::parseSetCookieHeaderLine(s);
     return cookies;
 }
 

src/network/access/qnetworkcookie.h

@@ -76,6 +76,7 @@ public:
     void normalize(const QUrl &url);
 
     static QList<QNetworkCookie> parseCookies(const QByteArray &cookieString);
+    static QList<QNetworkCookie> parseCookies(QByteArrayView cookieString);
 
 private:
     QSharedDataPointer<QNetworkCookiePrivate> d;