/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/


#include	<hash_map>

#ifndef _CODEMAKER_TYPEMANAGER_HXX_
#define _CODEMAKER_TYPEMANAGER_HXX_
#include	<codemaker/registry.hxx>

typedef ::std::list< Registry* > 	RegistryList;

#if defined( _MSC_VER ) && ( _MSC_VER < 1200 )
typedef	::std::__hash_map__
<	
	::rtl::OString, // Typename
	RTTypeClass, 	// TypeClass
	HashString, 
	EqualString, 
	NewAlloc
> T2TypeClassMap; 
#else
typedef	::std::hash_map
<	
	::rtl::OString, // Typename
	RTTypeClass, 	// TypeClass
	HashString, 
	EqualString
> T2TypeClassMap; 
#endif

struct TypeManagerImpl
{
	TypeManagerImpl()
		: m_refCount(0)
		{}

	sal_Int32		m_refCount;
};	

class TypeManager
{
public:
	TypeManager();
	virtual ~TypeManager();

    TypeManager( const TypeManager& value )
		: m_pImpl( value.m_pImpl )
	{
		acquire();
	}

	TypeManager& operator = ( const TypeManager& value )
	{
		release();
		m_pImpl = value.m_pImpl;
		acquire();
		return *this;
	}

	virtual sal_Bool init(sal_Bool /*bMerge*/, const StringVector& /*regFiles*/)
		{ return sal_False; }
	virtual sal_Bool init(const ::rtl::OString& /*registryName*/)
		{ return sal_False; }

	virtual sal_Bool isValidType(const ::rtl::OString& /*name*/)
		{ return sal_False; }

	virtual RegistryKey	getTypeKey(const ::rtl::OString& /*name*/)
		{ return RegistryKey(); }
	virtual TypeReader getTypeReader(const ::rtl::OString& /*name*/)
		{ return TypeReader(); }
	virtual RTTypeClass	getTypeClass(const ::rtl::OString& /*name*/)
		{ return RT_TYPE_INVALID; } 

	virtual void setBase(const ::rtl::OString& /*base*/) {}
	virtual ::rtl::OString getBase() { return ::rtl::OString(); }

	virtual sal_Int32 getSize() { return 0; }

protected:
	sal_Int32 acquire();
	sal_Int32 release();

protected:
	TypeManagerImpl* m_pImpl;
};

struct RegistryTypeManagerImpl
{
	RegistryTypeManagerImpl()
		: m_pMergedRegistry(NULL)
		, m_base("/") 
		, m_isMerged(sal_False)
		{}

	T2TypeClassMap	m_t2TypeClass;
	RegistryList	m_registries;
	Registry*		m_pMergedRegistry;
	::rtl::OString 	m_base;
	sal_Bool		m_isMerged;	
};	

class RegistryTypeManager : public TypeManager
{
public:
	RegistryTypeManager();
	virtual ~RegistryTypeManager();

    RegistryTypeManager( const RegistryTypeManager& value )
		: TypeManager(value)
		, m_pImpl( value.m_pImpl )
	{
		acquire();
	}
/*
	RegistryTypeManager& operator = ( const RegistryTypeManager& value )
	{
		release();
		m_pImpl = value.m_pImpl;
		acquire();
		return *this;
	}
*/
    using TypeManager::init;
	sal_Bool init(sal_Bool bMerge, const StringVector& regFiles);

	sal_Bool  	isValidType(const ::rtl::OString& name)
		{ return searchTypeKey(name).isValid(); }
	RegistryKey	getTypeKey(const ::rtl::OString& name)
		{ return searchTypeKey(name); }
	TypeReader 	getTypeReader(const ::rtl::OString& name);
	RTTypeClass	getTypeClass(const ::rtl::OString& name);

	void setBase(const ::rtl::OString& base);
	::rtl::OString getBase() { return m_pImpl->m_base; }

	sal_Int32 getSize() { return m_pImpl->m_t2TypeClass.size(); }
protected:
	RegistryKey	searchTypeKey(const ::rtl::OString& name);
	void		freeRegistries();

	void acquire();
	void release();

protected:
	RegistryTypeManagerImpl* m_pImpl;
};
	
#endif // _CODEMAKER_TYPEMANAGER_HXX_