/* -*- 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_SOURCE_MANIFEST_MANIFESTIMPORT_HXX

#define INCLUDED_PACKAGE_SOURCE_MANIFEST_MANIFESTIMPORT_HXX

#include <cppuhelper/implbase.hxx>

#include <com/sun/star/xml/sax/XDocumentHandler.hpp>

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

#include <unordered_map>

#include <utility>

#include <vector>

#include <rtl/ustrbuf.hxx>

namespace com::sun::star {

    namespace xml::sax { class XAttributeList; }

    namespace beans { struct PropertyValue; }

}

typedef std::unordered_map< OUString, OUString > StringHashMap;

struct ManifestScopeEntry

{

    OUString        m_aConvertedName;

    StringHashMap   m_aNamespaces;

    bool            m_bValid;

    ManifestScopeEntry( OUString aConvertedName, StringHashMap&& aNamespaces )

    : m_aConvertedName(std::move( aConvertedName ))

    , m_aNamespaces( std::move(aNamespaces) )

    , m_bValid( true )

    {}

};

typedef ::std::vector< ManifestScopeEntry > ManifestStack;

class ManifestImport final : public cppu::WeakImplHelper < css::xml::sax::XDocumentHandler >

{

    std::vector< css::beans::NamedValue > aKeyInfoSequence;

    std::vector< css::uno::Sequence< css::beans::NamedValue > > aKeys;

    std::vector< css::beans::PropertyValue > aSequence;

    OUStringBuffer aCurrentCharacters{64};

    ManifestStack aStack;

    bool bIgnoreEncryptData;

    bool bPgpEncryption;

    sal_Int32 nDerivedKeySize;

    ::std::vector < css::uno::Sequence < css::beans::PropertyValue > > & rManVector;

    OUString m_PackageVersion; // on root element

    OUString PushNameAndNamespaces( const OUString& aName,

                                           const css::uno::Reference< css::xml::sax::XAttributeList >& xAttribs,

                                           StringHashMap& o_aConvertedAttribs );

    static OUString ConvertNameWithNamespace( const OUString& aName, const StringHashMap& aNamespaces );

    OUString ConvertName( const OUString& aName );

public:

    ManifestImport( std::vector < css::uno::Sequence < css::beans::PropertyValue > > & rNewVector );

    virtual ~ManifestImport() override;

    virtual void SAL_CALL startDocument(  ) override;

    virtual void SAL_CALL endDocument(  ) override;

    virtual void SAL_CALL startElement( const OUString& aName, const css::uno::Reference< css::xml::sax::XAttributeList >& xAttribs ) override;

    virtual void SAL_CALL endElement( const OUString& aName ) override;

    virtual void SAL_CALL characters( const OUString& aChars ) override;

    virtual void SAL_CALL ignorableWhitespace( const OUString& aWhitespaces ) override;

    virtual void SAL_CALL processingInstruction( const OUString& aTarget, const OUString& aData ) override;

    virtual void SAL_CALL setDocumentLocator( const css::uno::Reference< css::xml::sax::XLocator >& xLocator ) override;

private:

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

    void doFileEntry(StringHashMap &rConvertedAttribs);

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

    void doEncryptionData(StringHashMap &rConvertedAttribs);

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

    void doAlgorithm(StringHashMap &rConvertedAttribs);

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

    void doKeyDerivation(StringHashMap &rConvertedAttribs);

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

    void doStartKeyAlg(StringHashMap &rConvertedAttribs);

    void doEncryptedKey(StringHashMap &);

    void doEncryptionMethod(StringHashMap &, const OUString &);

    void doEncryptedCipherValue();

    void doEncryptedKeyId();

    void doEncryptedKeyPacket();

};

#endif

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