Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 156 insertions, 0 deletions

diff --git a/xmloff/source/forms/property_meta_data.cxx b/xmloff/source/forms/property_meta_data.cxx
new file mode 100644
index 000000000..ce5760856
--- /dev/null
+++ b/xmloff/source/forms/property_meta_data.cxx
@@ -0,0 +1,156 @@
+/* -*- 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 "property_description.hxx"
+#include "property_meta_data.hxx"
+#include <forms/form_handler_factory.hxx>
+#include "strings.hxx"
+#include <xmloff/xmlimp.hxx>
+#include <xmloff/xmltoken.hxx>
+#include <xmloff/xmlnamespace.hxx>
+
+#include <o3tl/hash_combine.hxx>
+#include <tools/debug.hxx>
+#include <osl/diagnose.h>
+#include <sal/log.hxx>
+
+#include <unordered_map>
+
+namespace xmloff::metadata
+{
+
+    using namespace ::xmloff::token;
+
+#define FORM_SINGLE_PROPERTY( id, att ) \
+    PropertyDescription( PROPERTY_##id, XML_NAMESPACE_FORM, att, &FormHandlerFactory::getFormPropertyHandler, PID_##id )
+
+    //= property meta data
+    namespace
+    {
+        const PropertyDescription* lcl_getPropertyMetaData()
+        {
+            static const PropertyDescription s_propertyMetaData[] =
+            {
+                FORM_SINGLE_PROPERTY( DATE_MIN,        XML_MIN_VALUE        ),
+                FORM_SINGLE_PROPERTY( DATE_MAX,        XML_MAX_VALUE        ),
+                FORM_SINGLE_PROPERTY( DEFAULT_DATE,    XML_VALUE            ),
+                FORM_SINGLE_PROPERTY( DATE,            XML_CURRENT_VALUE    ),
+                FORM_SINGLE_PROPERTY( TIME_MIN,        XML_MIN_VALUE        ),
+                FORM_SINGLE_PROPERTY( TIME_MAX,        XML_MAX_VALUE        ),
+                FORM_SINGLE_PROPERTY( DEFAULT_TIME,    XML_VALUE            ),
+                FORM_SINGLE_PROPERTY( TIME,            XML_CURRENT_VALUE    ),
+
+                PropertyDescription()
+            };
+            return s_propertyMetaData;
+        }
+    }
+
+    namespace
+    {
+        // TODO: instead of having all of the below static, it should be some per-instance data. This way, the
+        // approach used here would scale much better.
+        // That is, if you have multiple "meta data instances", which manage a small, but closed set of properties,
+        // then looking through those multiple instances would probably be faster than searching within
+        // one big instance, since in this case, every instance can quickly decide whether it is responsible
+        // for some attribute or property, and otherwise delegate to the next instance.
+
+        typedef std::unordered_map< OUString, const PropertyDescription* > DescriptionsByName;
+
+        const DescriptionsByName& lcl_getPropertyDescriptions()
+        {
+            DBG_TESTSOLARMUTEX();
+            static DescriptionsByName s_propertyDescriptionsByName;
+            if ( s_propertyDescriptionsByName.empty() )
+            {
+                const PropertyDescription* desc = lcl_getPropertyMetaData();
+                while ( !desc->propertyName.isEmpty() )
+                {
+                    s_propertyDescriptionsByName[ desc->propertyName ] = desc;
+                    ++desc;
+                }
+            }
+            return s_propertyDescriptionsByName;
+        }
+
+        typedef std::unordered_map< OUString, XMLTokenEnum > ReverseTokenLookup;
+
+        struct AttributeHash
+        {
+            size_t operator()( const AttributeDescription& i_attribute ) const
+            {
+                std::size_t seed = 0;
+                o3tl::hash_combine(seed, i_attribute.attributeToken);
+                o3tl::hash_combine(seed, i_attribute.namespacePrefix);
+                return seed;
+            }
+        };
+
+        typedef std::unordered_map< AttributeDescription, PropertyGroups, AttributeHash > AttributesWithoutGroup;
+
+        const AttributesWithoutGroup& lcl_getAttributesWithoutGroups()
+        {
+            DBG_TESTSOLARMUTEX();
+            static AttributesWithoutGroup s_attributesWithoutGroup;
+            if ( s_attributesWithoutGroup.empty() )
+            {
+                const PropertyDescription* desc = lcl_getPropertyMetaData();
+                while ( !desc->propertyName.isEmpty() )
+                {
+                    PropertyDescriptionList singleElementList;
+                    singleElementList.push_back( desc );
+
+                    s_attributesWithoutGroup[ desc->attribute ].push_back( singleElementList );
+                    ++desc;
+                }
+            }
+            return s_attributesWithoutGroup;
+        }
+    }
+
+    const PropertyDescription* getPropertyDescription( const OUString& i_propertyName )
+    {
+        const DescriptionsByName& rAllDescriptions( lcl_getPropertyDescriptions() );
+        DescriptionsByName::const_iterator pos = rAllDescriptions.find( i_propertyName );
+        if ( pos != rAllDescriptions.end() )
+            return pos->second;
+        return nullptr;
+    }
+
+    void getPropertyGroupList( const AttributeDescription& i_attribute, PropertyGroups& o_propertyGroups )
+    {
+        // the attribute is not used for any non-trivial group, which means it is mapped directly to
+        // a single property
+        const AttributesWithoutGroup& attributesWithoutGroups( lcl_getAttributesWithoutGroups() );
+        const AttributesWithoutGroup::const_iterator pos = attributesWithoutGroups.find( i_attribute );
+        if ( pos != attributesWithoutGroups.end() )
+            o_propertyGroups = pos->second;
+    }
+
+    AttributeDescription getAttributeDescription( sal_Int32 nAttributeToken )
+    {
+        AttributeDescription attribute;
+        attribute.namespacePrefix = (nAttributeToken >> NMSP_SHIFT) - 1;
+        attribute.attributeToken = static_cast<XMLTokenEnum>(nAttributeToken & TOKEN_MASK);
+        return attribute;
+    }
+
+} // namespace xmloff::metadata
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */