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Diffstat (limited to 'xmloff/source/forms/property_meta_data.cxx')
| -rw-r--r-- | xmloff/source/forms/property_meta_data.cxx | 156 |
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: */ |