/* -*- 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 .

 */

#pragma once

#include <rtl/ustring.hxx>

#include <rtl/ustrbuf.hxx>

#include <rtl/uri.hxx>

namespace ucb_impl::urihelper {

    inline OUString encodeSegment( const OUString & rSegment )

    {

        return rtl::Uri::encode( rSegment,

                                 rtl_UriCharClassPchar,

                                 rtl_UriEncodeIgnoreEscapes,

                                 RTL_TEXTENCODING_UTF8 );

    }

    inline OUString decodeSegment( const OUString& rSegment )

    {

        return rtl::Uri::decode( rSegment,

                                 rtl_UriDecodeWithCharset,

                                 RTL_TEXTENCODING_UTF8 );

    }

    inline OUString encodeURI( const OUString & rURI )

    {

        OUString aFragment;

        OUString aParams;

        OUString aURI;

        sal_Int32 nFragment = rURI.lastIndexOf( u'#' );

        if ( nFragment != -1 )

            aFragment = rURI.copy( nFragment + 1 );

        sal_Int32 nParams = ( nFragment == -1 )

            ? rURI.lastIndexOf( u'?' )

            : rURI.lastIndexOf( u'?', nFragment );

        if ( nParams != -1 )

            aParams = ( nFragment == -1 )

                ? rURI.copy( nParams + 1 )

                : rURI.copy( nParams + 1, nFragment - nParams - 1 );

        aURI = ( nParams != -1 )

            ? rURI.copy( 0, nParams )

            : ( nFragment != -1 )

                  ? rURI.copy( 0, nFragment )

                  : rURI;

        if ( aFragment.getLength() > 1 )

            aFragment =

                rtl::Uri::encode( aFragment,

                                  rtl_UriCharClassUric,

                                  rtl_UriEncodeKeepEscapes, /* #i81690# */

                                  RTL_TEXTENCODING_UTF8 );

        if ( aParams.getLength() > 1 )

            aParams =

                rtl::Uri::encode( aParams,

                                  rtl_UriCharClassUric,

                                  rtl_UriEncodeKeepEscapes, /* #i81690# */

                                  RTL_TEXTENCODING_UTF8 );

        OUStringBuffer aResult(256);

        sal_Int32 nIndex = 0;

        do

        {

            aResult.append(

                rtl::Uri::encode( aURI.getToken( 0, '/', nIndex ),

                                  rtl_UriCharClassPchar,

                                  rtl_UriEncodeKeepEscapes, /* #i81690# */

                                  RTL_TEXTENCODING_UTF8 ) );

            if ( nIndex >= 0 )

                aResult.append( u'/' );

        }

        while ( nIndex >= 0 );

        if ( !aParams.isEmpty() )

            aResult.append( u"?" + aParams );

        if ( !aFragment.isEmpty() )

            aResult.append( u"#" + aFragment );

        return aResult.makeStringAndClear();

    }

} // namespace

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