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/* -*- 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 .
*/
#ifndef INCLUDED_COMPHELPER_SEQUENCEASHASHMAP_HXX
#define INCLUDED_COMPHELPER_SEQUENCEASHASHMAP_HXX
#include <algorithm>
#include <unordered_map>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/beans/NamedValue.hpp>
#include <comphelper/comphelperdllapi.h>
namespace comphelper{
/** @short Implements a stl hash map on top of some
specialized sequence from type PropertyValue
or NamedValue.
@descr That provides the possibility to modify
such name sequences very easy ...
*/
using SequenceAsHashMapBase = std::unordered_map<OUString, css::uno::Any>;
class SAL_WARN_UNUSED COMPHELPER_DLLPUBLIC SequenceAsHashMap
{
public:
/** @short creates an empty hash map.
*/
SequenceAsHashMap();
/** @see operator<<(const css::uno::Any&)
*/
SequenceAsHashMap(const css::uno::Any& aSource);
/** @see operator<<(const css::uno::Sequence< css::uno::Any >&)
*/
SequenceAsHashMap(const css::uno::Sequence< css::uno::Any >& lSource);
/** @see operator<<(const css::uno::Sequence< css::beans::PropertyValue >&)
*/
SequenceAsHashMap(const css::uno::Sequence< css::beans::PropertyValue >& lSource);
/** @see operator<<(const css::uno::Sequence< css::beans::NamedValue >&)
*/
SequenceAsHashMap(const css::uno::Sequence< css::beans::NamedValue >& lSource);
/** @short fill this map from the given
Any, which of course must contain
a suitable sequence of element types
"css.beans.PropertyValue" or "css.beans.NamedValue".
@attention If the given Any is an empty one
(if it's set to VOID), no exception
is thrown. In such case this instance will
be created as an empty one too!
@param aSource
contains the new items for this map.
@throw A css::lang::IllegalArgumentException
is thrown, if the given Any does not contain a suitable sequence ...
but not if it's a VOID Any!
*/
void operator<<(const css::uno::Any& aSource);
/** @short fill this map from the given
sequence, where every Any must contain
an item from type "css.beans.PropertyValue"
"css.beans.NamedValue".
@param lSource
contains the new items for this map.
@throw A css::lang::IllegalArgumentException
is thrown, if the given Any sequence
uses wrong types for its items. VOID Any will be ignored!
*/
void operator<<(const css::uno::Sequence< css::uno::Any >& lSource);
/** @short fill this map from the given
PropertyValue sequence.
@param lSource
contains the new items for this map.
*/
void operator<<(const css::uno::Sequence< css::beans::PropertyValue >& lSource);
/** @short fill this map from the given
NamedValue sequence.
@param lSource
contains the new items for this map.
*/
void operator<<(const css::uno::Sequence< css::beans::NamedValue >& lSource);
/** @short converts this map instance to an
PropertyValue sequence.
@param lDestination
target sequence for converting.
*/
void operator>>(css::uno::Sequence< css::beans::PropertyValue >& lDestination) const;
/** @short converts this map instance to an
NamedValue sequence.
@param lDestination
target sequence for converting.
*/
void operator>>(css::uno::Sequence< css::beans::NamedValue >& lDestination) const;
/** @short return this map instance as an
Any, which can be
used in const environments only.
@descr It's made const to prevent using of the
return value directly as an in/out parameter!
usage: myMethod(stlDequeAdapter.getAsAnyList());
@param bAsPropertyValue
switch between using of PropertyValue or NamedValue as
value type.
@return A const Any, which
contains all items of this map.
*/
const css::uno::Any getAsConstAny(bool bAsPropertyValue) const;
/** @short return this map instance to as a
NamedValue sequence, which can be
used in const environments only.
@descr It's made const to prevent using of the
return value directly as an in/out parameter!
usage: myMethod(stlDequeAdapter.getAsNamedValueList());
@return A const sequence of type NamedValue, which
contains all items of this map.
*/
const css::uno::Sequence< css::beans::NamedValue > getAsConstNamedValueList() const;
/** @short return this map instance to as a
PropertyValue sequence, which can be
used in const environments only.
@descr It's made const to prevent using of the
return value directly as an in/out parameter!
usage: myMethod(stlDequeAdapter.getAsPropertyValueList());
@return A const sequence of type PropertyValue, which
contains all items of this map.
*/
const css::uno::Sequence< css::beans::PropertyValue > getAsConstPropertyValueList() const;
/** @short check if the specified item exists
and return its (unpacked!) value or it returns the
specified default value otherwise.
@descr If a value should be extracted only in case
the requested property exists really (without creating
of new items as it the index operator of a
hash map does!) this method can be used.
@param sKey
key name of the item.
@param aDefault
the default value, which is returned
if the specified item could not
be found.
@return The (unpacked!) value of the specified property or
the given default value otherwise.
@attention "unpacked" means the Any content of every iterator->second!
*/
template< class TValueType >
TValueType getUnpackedValueOrDefault(const OUString& sKey ,
const TValueType& aDefault) const
{
auto pIt = m_aMap.find(sKey);
if (pIt == m_aMap.end())
return aDefault;
TValueType aValue = TValueType();
if (!(pIt->second >>= aValue))
return aDefault;
return aValue;
}
/** @short check if the specified item exists
and return its value or it returns
an empty css::uno::Any.
@descr If a value should be extracted only in case
the requested property exists really (without creating
of new items as the index operator of a
hash map does!) this method can be used.
@param sKey
key name of the item.
@return The value of the specified property or
an empty css::uno::Any.
*/
css::uno::Any getValue(const OUString& sKey) const
{
auto pIt = m_aMap.find(sKey);
if (pIt == m_aMap.end())
return css::uno::Any();
return pIt->second;
}
/** @short creates a new item with the specified
name and value only in case such item name
does not already exist.
@descr To check if the property already exists only
its name is used for compare. Its value isn't
checked!
@param sKey
key name of the property.
@param aValue
the new (unpacked!) value.
Note: This value will be transformed to an Any
internally, because only Any values can be
part of a PropertyValue or NamedValue structure.
@return TRUE if this property was added as new item;
FALSE if it already exists.
*/
template< class TValueType >
bool createItemIfMissing(const OUString& sKey ,
const TValueType& aValue)
{
if (m_aMap.find(sKey) == m_aMap.end())
{
(*this)[sKey] = css::uno::toAny(aValue);
return true;
}
return false;
}
/** @short check if all items of given map
exists in these called map also.
@descr Every item of the given map must exists
with same name and value inside these map.
But these map can contain additional items
which are not part of the search-map.
@param rCheck
the map containing all items for checking.
@return
TRUE if all items of Rcheck could be found
in these map; FALSE otherwise.
*/
bool match(const SequenceAsHashMap& rCheck) const;
/** @short merge all values from the given map into
this one.
@descr Existing items will be overwritten ...
missing items will be created new ...
but non specified items will stay alive !
@param rSource
the map containing all items for the update.
*/
void update(const SequenceAsHashMap& rSource);
css::uno::Any& operator[](const OUString& rKey)
{
return m_aMap[rKey];
}
using iterator = SequenceAsHashMapBase::iterator;
using const_iterator = SequenceAsHashMapBase::const_iterator;
void clear()
{
m_aMap.clear();
}
size_t size() const
{
return m_aMap.size();
}
bool empty() const
{
return m_aMap.empty();
}
iterator begin()
{
return m_aMap.begin();
}
const_iterator begin() const
{
return m_aMap.begin();
}
iterator end()
{
return m_aMap.end();
}
const_iterator end() const
{
return m_aMap.end();
}
iterator find(const OUString& rKey)
{
return m_aMap.find(rKey);
}
const_iterator find(const OUString& rKey) const
{
return m_aMap.find(rKey);
}
iterator erase(iterator it)
{
return m_aMap.erase(it);
}
size_t erase(const OUString& rKey)
{
return m_aMap.erase(rKey);
}
private:
SequenceAsHashMapBase m_aMap;
};
} // namespace comphelper
#endif // INCLUDED_COMPHELPER_SEQUENCEASHASHMAP_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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