/* -*- 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 _CODEMAKER_DEPENDENCY_HXX_
#define _CODEMAKER_DEPENDENCY_HXX_

#include    <boost/unordered_map.hpp>
#include    <registry/registry.hxx>
#include    <registry/reflread.hxx>
#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;


typedef ::boost::unordered_map
<
    ::rtl::OString,
    TypeUsingSet,
    HashString,
    EqualString
> DependencyMap;

typedef ::boost::unordered_map
<
    ::rtl::OString,
    sal_uInt16,
    HashString,
    EqualString
> GenerationMap;

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_

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