Data Browser: avoid showing BLOBs containing unprintable characters a…

…s text See comments in sqlitebrowser#1201
myjsproject · Dec 20, 2020 · 5e0c56a · 5e0c56a
1 parent e0b40ad
commit 5e0c56a
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/src/Data.cpp b/src/Data.cpp
@@ -46,8 +46,16 @@ bool isTextOnly(QByteArray data, const QString& encoding, bool quickTest)
     } else {
         // Convert to Unicode if necessary
         data = decodeString(data, encoding);
+        QString text (data);
+        bool isPrintable = true;
+        for(QChar character : text) {
+            if(!character.isPrint()) {
+                isPrintable = false;
+                break;
+            }
+        }
         // Perform check
-        return QString(data).toUtf8() == data;
+        return isPrintable && text.toUtf8() == data;
     }
 }