text: //----------------------------------------------------------------------------
  //
  // TSDuck - The MPEG Transport Stream Toolkit
  // Copyright (c) 2005-2021, 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
          {
          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());
  
              //!
              //! Copy constructor.
              //! @param [in] other Other instance to copy.
              //!
              Declaration(const Declaration& other);
  
              // Inherited from xml::Node.
              virtual Node* clone() const override;
              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;
          };
      }
  }
  