Fix QString{Encoder|Decoder} documentation

Change-Id: I8e29846db77581953d90c818060950744cb9f521
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>

2 files changed, 13 insertions, 11 deletions

diff --git a/src/corelib/text/qstringconverter.cpp b/src/corelib/text/qstringconverter.cpp
index d1b3055bd4..2af1e5df27 100644
--- a/src/corelib/text/qstringconverter.cpp
+++ b/src/corelib/text/qstringconverter.cpp
@@ -1790,7 +1790,7 @@ const char *QStringConverter::nameForEncoding(QStringConverter::Encoding e)
 */
 
 /*!
-    \fn QByteArray QStringEncoder::operator()(const QStringView in)
+    \fn QByteArray QStringEncoder::operator()(QStringView in)
     \overload
 
     Converts \a in and returns the data as a byte array.
@@ -1884,23 +1884,25 @@ const char *QStringConverter::nameForEncoding(QStringConverter::Encoding e)
 */
 
 /*!
-    \fn QByteArray QStringDecoder::operator()(const QString &in)
+    \fn QString QStringDecoder::operator()(const QByteArray &ba)
 
-    Converts \a in and returns the data as a QString.
+    Converts \a ba and returns the data as a QString.
 */
 
 /*!
-    \fn QByteArray QStringDecoder::operator()(const QStringView in)
+    \fn QString QStringDecoder::operator()(const char *in, qsizetype size)
     \overload
 
-    Converts \a in and returns the data as a QString.
+    Converts a byte array containing the first \a size bytes of the array \a in
+    and returns the data as a QString.
 */
 
 /*!
-    \fn QByteArray QStringDecoder::operator()(const QChar *in, qsizetype length)
+    \fn QString QStringDecoder::operator()(const char *chars)
     \overload
 
-    Converts \a length QChars from \a in and returns the data as a QString.
+    Converts \a chars and returns the data as a QString. \a chars is assumed to
+    point to a \c{\0}-terminated string and its length is determined dynamically.
 */
 
 /*!
diff --git a/src/corelib/text/qstringconverter.h b/src/corelib/text/qstringconverter.h
index 2bbff666e8..0049b937af 100644
--- a/src/corelib/text/qstringconverter.h
+++ b/src/corelib/text/qstringconverter.h
@@ -207,9 +207,9 @@ public:
     {}
 
 #if defined(Q_QDOC)
-    QString operator()(const QString &);
-    QString operator()(QStringView);
-    QString operator()(const QChar *, qsizetype);
+    QByteArray operator()(const QString &in);
+    QByteArray operator()(QStringView in);
+    QByteArray operator()(const QChar *in, qsizetype length);
 #else
     template<typename T>
     struct DecodedData
@@ -268,7 +268,7 @@ public:
 
 #if defined(Q_QDOC)
     QString operator()(const QByteArray &ba);
-    QString operator()(const char *in, qsizetype length);
+    QString operator()(const char *in, qsizetype size);
     QString operator()(const char *chars);
 #else
     template<typename T>