AOO410/main/stoc/source/registry_tdprovider/tdcomp.cxx

/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_stoc.hxx"
#include "base.hxx"

#include "registry/reader.hxx"
#include "registry/version.h"

namespace stoc_rdbtdp
{

//__________________________________________________________________________________________________
CompoundTypeDescriptionImpl::~CompoundTypeDescriptionImpl()
{
	delete _pMembers;
	delete _pMemberNames;
	g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
}

// XTypeDescription
//__________________________________________________________________________________________________
TypeClass CompoundTypeDescriptionImpl::getTypeClass()
	throw(::com::sun::star::uno::RuntimeException)
{
	return _eTypeClass;
}
//__________________________________________________________________________________________________
OUString CompoundTypeDescriptionImpl::getName()
	throw(::com::sun::star::uno::RuntimeException)
{
	return _aName;
}

// XCompoundTypeDescription
//__________________________________________________________________________________________________
Reference< XTypeDescription > CompoundTypeDescriptionImpl::getBaseType()
	throw(::com::sun::star::uno::RuntimeException)
{
	if (!_xBaseTD.is() && _aBaseType.getLength())
	{
        try
        {
            Reference< XTypeDescription > xBaseTD;
            if (_xTDMgr->getByHierarchicalName( _aBaseType ) >>= xBaseTD)
            {
                MutexGuard aGuard( getMutex() );
                if (! _xBaseTD.is())
                    _xBaseTD = xBaseTD;
                return _xBaseTD;
            }
        }
        catch (NoSuchElementException &)
        {
        }
        // never try again, if no base td was found
        _aBaseType = OUString();        
	}
	return _xBaseTD;
}
//__________________________________________________________________________________________________

namespace {

class TypeParameter: public WeakImplHelper1< XTypeDescription > {
public:
    explicit TypeParameter(OUString const & name): m_name(name) {}

    virtual TypeClass SAL_CALL getTypeClass() throw (RuntimeException)
    { return TypeClass_UNKNOWN; }

    virtual OUString SAL_CALL getName() throw (RuntimeException)
    { return m_name; }

private:
    OUString m_name;
};

}

Sequence< Reference< XTypeDescription > > CompoundTypeDescriptionImpl::getMemberTypes()
	throw(::com::sun::star::uno::RuntimeException)
{
	if (! _pMembers)
	{
        typereg::Reader aReader(
            _aBytes.getConstArray(), _aBytes.getLength(), false,
            TYPEREG_VERSION_1);
        
        sal_uInt16 nFields = aReader.getFieldCount();
        Sequence< Reference< XTypeDescription > > * pTempMembers =
            new Sequence< Reference< XTypeDescription > >( nFields );
        Reference< XTypeDescription > * pMembers = pTempMembers->getArray();
        
        while (nFields--)
        {
            if ((aReader.getFieldFlags(nFields) & RT_ACCESS_PARAMETERIZED_TYPE)
                != 0)
            {
                pMembers[nFields] = new TypeParameter(
                    aReader.getFieldTypeName(nFields));
            } else {
                try {
                    _xTDMgr->getByHierarchicalName(
                        aReader.getFieldTypeName(nFields).replace('/', '.'))
                            >>= pMembers[nFields];
                } catch (NoSuchElementException &) {}
                OSL_ENSURE(
                    pMembers[nFields].is(), "### compound member unknown!");
            }
        }
        
		ClearableMutexGuard aGuard( getMutex() );
		if (_pMembers)
        {
            aGuard.clear();
            delete pTempMembers;
        }
        else
		{
			_pMembers = pTempMembers;
		}
	}
    
	return *_pMembers;
}
//__________________________________________________________________________________________________
Sequence< OUString > CompoundTypeDescriptionImpl::getMemberNames()
	throw(::com::sun::star::uno::RuntimeException)
{
	if (! _pMemberNames)
	{
        typereg::Reader aReader(
            _aBytes.getConstArray(), _aBytes.getLength(), false,
            TYPEREG_VERSION_1);
        
        sal_uInt16 nFields = aReader.getFieldCount();
        Sequence< OUString > * pTempMemberNames = new Sequence< OUString >( nFields );
        OUString * pMemberNames = pTempMemberNames->getArray();
        
        while (nFields--)
        {
            pMemberNames[nFields] = aReader.getFieldName( nFields );
        }
        
		ClearableMutexGuard aGuard( getMutex() );
		if (_pMemberNames)
		{
            aGuard.clear();
            delete pTempMemberNames;
        }
        else
        {
			_pMemberNames = pTempMemberNames;
		}
	}
	return *_pMemberNames;
}

}