Document the string converter classes

Document QStringConverter, QStringDecoder and QStringEncoder.

In addition, do some touches to the API, renaming one enum value,
add a flags argument to one constructor and make some members private.

Change-Id: I8f99dc3d98fb8860cf6fa46301e34b7eb400511b
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/corelib/text/qstring.cpp b/src/corelib/text/qstring.cpp
index 7753ce5f00..857aa601c1 100644
--- a/src/corelib/text/qstring.cpp
+++ b/src/corelib/text/qstring.cpp
@@ -5206,7 +5206,7 @@ static QByteArray qt_convert_to_local_8bit(QStringView string)
 {
     if (string.isNull())
         return QByteArray();
-    QStringEncoder fromUtf16(QStringEncoder::Locale, QStringEncoder::Flag::Stateless);
+    QStringEncoder fromUtf16(QStringEncoder::System, QStringEncoder::Flag::Stateless);
     return fromUtf16(string);
 }
 
@@ -5392,7 +5392,7 @@ QString QString::fromLocal8Bit_helper(const char *str, int size)
         QString::DataPointer empty = { pair.first, pair.second, 0 };
         return QString(empty);
     }
-    QStringDecoder toUtf16(QStringDecoder::Locale, QStringDecoder::Flag::Stateless);
+    QStringDecoder toUtf16(QStringDecoder::System, QStringDecoder::Flag::Stateless);
     return toUtf16(str, size);
 }