//----------------------------------------------------------------------------
//
// TSDuck - The MPEG Transport Stream Toolkit
// Copyright (c) 2005-2020, Thierry Lelegard
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
//    this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
//----------------------------------------------------------------------------
//!
//!  @file
//!  Declaration in an XML document.
//!
//----------------------------------------------------------------------------

#pragma once
#include "tsxmlNode.h"

namespace ts {
    namespace xml {
        //!
        //! Declaration in an XML document.
        //! @ingroup xml
        //!
        class TSDUCKDLL Declaration: public Node
        {
            TS_NOCOPY(Declaration);
        public:
            //!
            //! Default XML declaration.
            //!
            static const UChar* const DEFAULT_XML_DECLARATION;

            //!
            //! Constructor.
            //! @param [in,out] report Where to report errors.
            //! @param [in] line Line number in input document.
            //!
            explicit Declaration(Report& report = NULLREP, size_t line = 0);

            //!
            //! Constructor.
            //! @param [in,out] parent The parent document into which the declaration is added.
            //! @param [in] value Content of the declaration. If empty, the default XML declaration is used.
            //!
            explicit Declaration(Document* parent, const UString& value = UString());

            // Inherited from xml::Node.
            virtual UString typeName() const override;
            virtual void print(TextFormatter& output, bool keepNodeOpen = false) const override;

        protected:
            // Inherited from xml::Node.
            virtual bool parseNode(TextParser& parser, const Node* parent) override;
        };
    }
}
