improve debug printing of ErrCode

Change-Id: Ia6ebf2c43777774a91e27468272d713f0dadb1c3
Reviewed-on: https://gerrit.libreoffice.org/44204Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

include/vcl/errcode.hxx

@@ -22,7 +22,7 @@
 
 #include <rtl/ustring.hxx>
 #include <tools/solar.h>
-#include <tools/toolsdllapi.h>
+#include <vcl/dllapi.h>
 #include <ostream>
 
 /*
@@ -144,10 +144,7 @@ private:
     sal_uInt32 m_value;
 };
 
-inline std::ostream& operator<<(std::ostream& os, const ErrCode& err)
-{
-    os << sal_uInt32(err); return os;
-}
+VCL_DLLPUBLIC std::ostream& operator<<(std::ostream& os, const ErrCode& err);
 
 enum class ErrCodeArea {
     Io                  = 0 ,

vcl/Library_vcl.mk

@@ -311,6 +311,7 @@ $(eval $(call gb_Library_add_exception_objects,vcl,\
     vcl/source/helper/canvastools \
     vcl/source/helper/commandinfoprovider \
     vcl/source/helper/displayconnectiondispatch \
+    vcl/source/helper/errcode \
     vcl/source/helper/evntpost \
     vcl/source/helper/lazydelete \
     vcl/source/helper/strhelper \

vcl/source/helper/errcode.cxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <vcl/errcode.hxx>
+
+VCL_DLLPUBLIC std::ostream& operator<<(std::ostream& os, const ErrCode& err)
+{
+    os << err.toHexString()
+       << "("
+       << (err.IsWarning() ? "Warning" : "Error");
+    if (err.IsDynamic())
+        os << " Dynamic";
+    else
+    {
+        os << " Area:";
+        switch (err.GetArea())
+        {
+        case ErrCodeArea::Io:    os << "Io"; break;
+        case ErrCodeArea::Sv:    os << "Sv"; break;
+        case ErrCodeArea::Sfx:   os << "Sfx"; break;
+        case ErrCodeArea::Inet:  os << "Inet"; break;
+        case ErrCodeArea::Vcl:   os << "Vcl"; break;
+        case ErrCodeArea::Svx:   os << "Svx"; break;
+        case ErrCodeArea::So:    os << "So"; break;
+        case ErrCodeArea::Sbx:   os << "Sbx"; break;
+        case ErrCodeArea::Db:    os << "Db"; break;
+        case ErrCodeArea::Java:  os << "Java"; break;
+        case ErrCodeArea::Uui:   os << "Uui"; break;
+        case ErrCodeArea::Lib2:  os << "Lib2"; break;
+        case ErrCodeArea::Chaos: os << "Chaos"; break;
+        case ErrCodeArea::Sc:    os << "Sc"; break;
+        case ErrCodeArea::Sd:    os << "Sd"; break;
+        case ErrCodeArea::Sw:    os << "Sw"; break;
+        default: os << "Unknown";
+        }
+        os << " Class:";
+        switch (err.GetClass())
+        {
+        case ErrCodeClass::NONE:          os << "NONE"; break;
+        case ErrCodeClass::Abort:         os << "Abort"; break;
+        case ErrCodeClass::General:       os << "General"; break;
+        case ErrCodeClass::NotExists:     os << "NotExists"; break;
+        case ErrCodeClass::AlreadyExists: os << "AlreadyExists"; break;
+        case ErrCodeClass::Access:        os << "Access"; break;
+        case ErrCodeClass::Path:          os << "Path"; break;
+        case ErrCodeClass::Locking:       os << "Locking"; break;
+        case ErrCodeClass::Parameter:     os << "Parameter"; break;
+        case ErrCodeClass::Space:         os << "Space"; break;
+        case ErrCodeClass::NotSupported:  os << "NotSupported"; break;
+        case ErrCodeClass::Read:          os << "Read"; break;
+        case ErrCodeClass::Write:         os << "Write"; break;
+        case ErrCodeClass::Unknown:       os << "Unknown"; break;
+        case ErrCodeClass::Version:       os << "Version"; break;
+        case ErrCodeClass::Format:        os << "Format"; break;
+        case ErrCodeClass::Create:        os << "Create"; break;
+        case ErrCodeClass::Import:        os << "Import"; break;
+        case ErrCodeClass::Export:        os << "Export"; break;
+        case ErrCodeClass::So:            os << "So"; break;
+        case ErrCodeClass::Sbx:           os << "Sbx"; break;
+        case ErrCodeClass::Runtime:       os << "Runtime"; break;
+        case ErrCodeClass::Compiler:      os << "Compiler"; break;
+        }
+        os << " Code:" << OUString::number(err.GetRest());
+    }
+    os << ")";
+    return os;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */