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


#ifndef _CODEMAKER_DEPENDENCY_HXX_
#define _CODEMAKER_DEPENDENCY_HXX_

#include 	<hash_map>
#include	<registry/registry.hxx>
#ifndef __REGISTRY_REFLREAD_HXX__
#include	<registry/reflread.hxx>
#endif
#include	<codemaker/typemanager.hxx>
#include	<codemaker/global.hxx>
#include <osl/diagnose.h>

#define	TYPEUSE_NORMAL		0x0001
#define	TYPEUSE_SUPER		0x0002
#define	TYPEUSE_MEMBER		0x0004
#define	TYPEUSE_INPARAM		0x0008
#define	TYPEUSE_OUTPARAM 	0x0010
#define	TYPEUSE_INOUTPARAM 	0x0020
#define	TYPEUSE_RETURN		0x0040
#define	TYPEUSE_EXCEPTION	0x0080
#define	TYPEUSE_SCOPE       0x0100

/**
 * Flag shows the state of the code generation. If the Flag is set
 * the code for this type is generated.
 */
#define	CODEGEN_DEFAULT		0x0001

struct TypeUsing
{
	TypeUsing(const ::rtl::OString& type, sal_uInt16 use)
		: m_type(type)
		, m_use(use) 
		{}

	::rtl::OString 	m_type;
	sal_uInt16		m_use;

	sal_Bool operator == (const TypeUsing & typeUsing) const
	{
		OSL_ASSERT(0);
		return m_type == typeUsing.m_type && m_use == typeUsing.m_use;
	}
};

struct LessTypeUsing
{
	sal_Bool operator()(const TypeUsing& tuse1, const TypeUsing& tuse2) const
	{
		return (tuse1.m_type < tuse2.m_type);
	}
};

typedef	::std::set< TypeUsing, LessTypeUsing > TypeUsingSet;


#if (defined( _MSC_VER ) && ( _MSC_VER < 1200 ))
typedef	::std::__hash_map__
<	
	::rtl::OString, 
	TypeUsingSet, 
	HashString, 
	EqualString, 
	NewAlloc
> DependencyMap;

typedef	::std::__hash_map__
<	
	::rtl::OString, 
	sal_uInt16, 
	HashString, 
	EqualString,
	NewAlloc
> GenerationMap;
#else
typedef	::std::hash_map
<	
	::rtl::OString, 
	TypeUsingSet, 
	HashString, 
	EqualString
> DependencyMap;

typedef	::std::hash_map
<	
	::rtl::OString, 
	sal_uInt16, 
	HashString, 
	EqualString
> GenerationMap;

#endif

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

	sal_Int32		m_refCount;
	DependencyMap	m_dependencies;
	GenerationMap	m_generatedTypes;
};	

class TypeDependency
{
public:
	TypeDependency();
	~TypeDependency();

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

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

	sal_Bool 		insert(const ::rtl::OString& type, const ::rtl::OString& depend, sal_uInt16);
	TypeUsingSet	getDependencies(const ::rtl::OString& type);
	sal_Bool		hasDependencies(const ::rtl::OString& type);

	void		setGenerated(const ::rtl::OString& type, sal_uInt16 genFlag=CODEGEN_DEFAULT);
	sal_Bool	isGenerated(const ::rtl::OString& type, sal_uInt16 genFlag=CODEGEN_DEFAULT);

	sal_Int32 getSize() { return m_pImpl->m_generatedTypes.size(); }
protected:
	void acquire();
	void release();

protected:
	TypeDependencyImpl*	m_pImpl;
};

sal_Bool checkTypeDependencies(TypeManager& typeMgr, TypeDependency& dependencies, const ::rtl::OString& type, sal_Bool bDepend = sal_False);
	
#endif // _CODEMAKER_DEPENDENCY_HXX_