1 files changed, 74 insertions, 0 deletions
diff --git a/examples/corelib/serialization/convert/debugtextdumper.cpp b/examples/corelib/serialization/convert/debugtextdumper.cpp
new file mode 100644
index 0000000000..f010bd8e2a
--- /dev/null
+++ b/examples/corelib/serialization/convert/debugtextdumper.cpp
@@ -0,0 +1,74 @@
+// Copyright (C) 2018 Intel Corporation.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "debugtextdumper.h"
+#include "variantorderedmap.h"
+
+#include <QDebug>
+#include <QTextStream>
+
+using namespace Qt::StringLiterals;
+
+// Static instance is declared in datastreamconverter.cpp, since it uses it.
+
+static QString dumpVariant(const QVariant &v, const QString &indent = "\n"_L1)
+{
+    QString result;
+    QString indented = indent + "  "_L1;
+
+    int type = v.userType();
+    if (type == qMetaTypeId<VariantOrderedMap>() || type == QMetaType::QVariantMap) {
+        const auto map = (type == QMetaType::QVariantMap) ? VariantOrderedMap(v.toMap())
+                                                          : qvariant_cast<VariantOrderedMap>(v);
+
+        result = "Map {"_L1;
+        for (const auto &pair : map) {
+            result += indented + dumpVariant(pair.first, indented);
+            result.chop(1); // remove comma
+            result += " => "_L1 + dumpVariant(pair.second, indented);
+        }
+        result.chop(1); // remove comma
+        result += indent + "},"_L1;
+    } else if (type == QMetaType::QVariantList) {
+        const QVariantList list = v.toList();
+
+        result = "List ["_L1;
+        for (const auto &item : list)
+            result += indented + dumpVariant(item, indented);
+        result.chop(1); // remove comma
+        result += indent + "],"_L1;
+    } else {
+        QDebug debug(&result);
+        debug.nospace() << v << ',';
+    }
+    return result;
+}
+
+QString DebugTextDumper::name() const
+{
+    return "debugtext-dump"_L1;
+}
+
+Converter::Directions DebugTextDumper::directions() const
+{
+    return Direction::Out;
+}
+
+Converter::Options DebugTextDumper::outputOptions() const
+{
+    return SupportsArbitraryMapKeys;
+}
+
+void DebugTextDumper::saveFile(QIODevice *f, const QVariant &contents,
+                               const QStringList &options) const
+{
+    if (!options.isEmpty()) {
+        qFatal("Unknown option '%s' to debug text output. This format has no options.",
+               qPrintable(options.first()));
+    }
+    QString s = dumpVariant(contents);
+    s[s.size() - 1] = u'\n'; // replace the comma with newline
+
+    QTextStream out(f);
+    out << s;
+}