From 46976eea1890a0094da421a6dc4ac1276cfccff0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tor=20Arne=20Vestb=C3=B8?= <tor.arne.vestbo@qt.io>
Date: Fri, 3 Mar 2017 14:20:42 +0100
Subject: Add debug operators for font database structs for easier debugging

Change-Id: Ice1b27ff93de2d369dc6b66c72a64eb05da5639c
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
---
 src/gui/text/qplatformfontdatabase.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/gui/text/qplatformfontdatabase.cpp')

diff --git a/src/gui/text/qplatformfontdatabase.cpp b/src/gui/text/qplatformfontdatabase.cpp
index 599b18ac05..4ad826e87b 100644
--- a/src/gui/text/qplatformfontdatabase.cpp
+++ b/src/gui/text/qplatformfontdatabase.cpp
@@ -45,6 +45,7 @@
 #include <qpa/qplatformscreen.h>
 #include <QtCore/QLibraryInfo>
 #include <QtCore/QDir>
+#include <QtCore/QMetaEnum>
 
 #include <algorithm>
 #include <iterator>
@@ -201,6 +202,26 @@ QSupportedWritingSystems &QSupportedWritingSystems::operator=(const QSupportedWr
     return *this;
 }
 
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug debug, const QSupportedWritingSystems &sws)
+{
+    QMetaObject mo = QFontDatabase::staticMetaObject;
+    QMetaEnum me = mo.enumerator(mo.indexOfEnumerator("WritingSystem"));
+
+    QDebugStateSaver saver(debug);
+    debug.nospace() << "QSupportedWritingSystems(";
+    int i = sws.d->vector.indexOf(true);
+    while (i > 0) {
+        debug << me.valueToKey(i);
+        i = sws.d->vector.indexOf(true, i + 1);
+        if (i > 0)
+            debug << ", ";
+    }
+    debug << ")";
+    return debug;
+}
+#endif
+
 /*!
     Destroys the supported writing systems object.
 */
-- 
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