/* -*- 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_PACKAGE_INC_ZIPPACKAGEFOLDER_HXX

#define INCLUDED_PACKAGE_INC_ZIPPACKAGEFOLDER_HXX

#include <com/sun/star/container/XNameContainer.hpp>

#include <com/sun/star/container/XEnumerationAccess.hpp>

#include <com/sun/star/beans/StringPair.hpp>

#include <com/sun/star/uno/XComponentContext.hpp>

#include "ZipPackageEntry.hxx"

#include <cppuhelper/implbase.hxx>

#include <rtl/ref.hxx>

#include <string_view>

#include <unordered_map>

#include <vector>

class ZipOutputStream;

class ZipPackageFolder;

class ZipPackageStream;

struct ZipContentInfo

{

    rtl::Reference < ZipPackageEntry > xPackageEntry;

    bool bFolder;

    union

    {

        ZipPackageFolder *pFolder;

        ZipPackageStream *pStream;

    };

    ZipContentInfo( ZipPackageStream * pNewStream );

    ZipContentInfo( ZipPackageFolder * pNewFolder );

    ZipContentInfo( const ZipContentInfo& );

    ZipContentInfo( ZipContentInfo&& );

    ZipContentInfo& operator=( const ZipContentInfo& );

    ZipContentInfo& operator=( ZipContentInfo&& );

    ~ZipContentInfo();

};

struct OUStringHashImpl {

    using hash_type = std::hash<std::string_view>;

    using is_transparent = void;

    size_t operator()(const OUString& rString) const

        { return std::hash<std::u16string_view>{}(rString); }

    size_t operator()(const std::u16string_view aString) const

        { return std::hash<std::u16string_view>{}(aString); }

};

typedef std::unordered_map < OUString,

                             ZipContentInfo,

                             OUStringHashImpl,

                             std::equal_to<>> ContentHash;

class ZipPackageFolder final : public cppu::ImplInheritanceHelper

<

    ZipPackageEntry,

    css::container::XNameContainer,

    css::container::XEnumerationAccess

>

{

private:

    ContentHash maContents;

    OUString m_sVersion;

public:

    ZipPackageFolder( const css::uno::Reference < css::uno::XComponentContext >& xContext,

                      sal_Int32 nFormat,

                      bool bAllowRemoveOnInsert );

    virtual ~ZipPackageFolder() override;

    const OUString& GetVersion() const { return m_sVersion; }

    void SetVersion( const OUString& aVersion ) { m_sVersion = aVersion; }

    bool LookForUnexpectedODF12Streams(std::u16string_view aPath, bool isWholesomeEncryption);

    void setChildStreamsTypeByExtension( const css::beans::StringPair& aPair );

    void removeByName( std::u16string_view aName );

    css::uno::Any getByName( std::u16string_view aName );

    bool hasByName( std::u16string_view aName );

    /// @throws css::lang::IllegalArgumentException

    /// @throws css::container::ElementExistException

    /// @throws css::lang::WrappedTargetException

    /// @throws css::uno::RuntimeException

    void doInsertByName ( ZipPackageEntry *pEntry, bool bSetParent );

    ZipContentInfo& doGetByName( std::u16string_view aName );

    void setPackageFormat_Impl( sal_Int32 nFormat ) { m_nFormat = nFormat; }

    void setRemoveOnInsertMode_Impl( bool bRemove ) { mbAllowRemoveOnInsert = bRemove; }

    virtual bool saveChild( const OUString &rPath,

                            std::vector < css::uno::Sequence < css::beans::PropertyValue > > &rManList,

                            ZipOutputStream & rZipOut,

                            const css::uno::Sequence < sal_Int8 >& rEncryptionKey,

                            ::std::optional<sal_Int32> oPBKDF2IterationCount,

                            ::std::optional<::std::tuple<sal_Int32, sal_Int32, sal_Int32>> oArgon2Args) override;

    // Recursive functions

    /// @throws css::uno::RuntimeException

    void saveContents(

            const OUString &rPath,

            std::vector < css::uno::Sequence < css::beans::PropertyValue > > &rManList,

            ZipOutputStream & rZipOut,

            const css::uno::Sequence< sal_Int8 > &rEncryptionKey,

            ::std::optional<sal_Int32> oPBKDF2IterationCount,

            ::std::optional<::std::tuple<sal_Int32, sal_Int32, sal_Int32>> oArgon2Args) const;

    // XNameContainer

    virtual void SAL_CALL insertByName( const OUString& aName, const css::uno::Any& aElement ) override;

    virtual void SAL_CALL removeByName( const OUString& Name ) override;

    // XEnumerationAccess

    virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL createEnumeration(  ) override;

    // XElementAccess

    virtual css::uno::Type SAL_CALL getElementType(  ) override;

    virtual sal_Bool SAL_CALL hasElements(  ) override;

    // XNameAccess

    virtual css::uno::Any SAL_CALL getByName( const OUString& aName ) override;

    virtual css::uno::Sequence< OUString > SAL_CALL getElementNames(  ) override;

    virtual sal_Bool SAL_CALL hasByName( const OUString& aName ) override;

    // XNameReplace

    virtual void SAL_CALL replaceByName( const OUString& aName, const css::uno::Any& aElement ) override;

    // XPropertySet

    virtual void SAL_CALL setPropertyValue( const OUString& aPropertyName, const css::uno::Any& aValue ) override;

    virtual css::uno::Any SAL_CALL getPropertyValue( const OUString& PropertyName ) override;

    // XServiceInfo

    virtual OUString SAL_CALL getImplementationName(  ) override;

    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;

    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;

};

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */