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// File:      LDOM_XmlWriter.hxx
// Created:   28.06.01 10:26:52
// Author:    Alexander GRIGORIEV
// Copyright: OpenCascade 2001


#ifndef LDOM_XmlWriter_HeaderFile
#define LDOM_XmlWriter_HeaderFile

#include <Standard_TypeDef.hxx>
#include <stdio.h>

typedef char LXMLCh;

class LDOM_Document;
class LDOM_Node;
class LDOMBasicString;

class LDOM_XmlWriter
{
 public:

  Standard_EXPORT LDOM_XmlWriter (FILE * aFile, const char * theEncoding= NULL);
  // Constructor

  Standard_EXPORT ~LDOM_XmlWriter ();
  // Destructor

  void SetIndentation (const Standard_Integer theIndent) { myIndent=theIndent; }
  // Set indentation for output (by default 0)

  Standard_EXPORT LDOM_XmlWriter& operator<<    (const LDOM_Document& aDoc);

  Standard_EXPORT LDOM_XmlWriter& operator<<    (const LDOM_Node& toWrite);
  //  ostream << DOM_Node   
  //  Stream out a DOM node, and, recursively, all of its children. This
  //  function is the heart of writing a DOM tree out as XML source. Give it
  //  a document node and it will do the whole thing.

 private:

  void  WriteAttribute (const LDOM_Node& theAtt);

  LDOM_XmlWriter& operator<< (const LDOMBasicString&);
  //  Stream out LDOM String

  inline LDOM_XmlWriter& operator<< (const LXMLCh * toWrite);
  //  Stream out a character string. Doing this requires that we first transcode
  //  to char * form in the default code page for the system

  inline LDOM_XmlWriter& operator <<    (const LXMLCh aChar);

  LDOM_XmlWriter (const LDOM_XmlWriter& anOther);
  //    Copy constructor - prohibited

  LDOM_XmlWriter& operator = (const LDOM_XmlWriter& anOther);
  //    Assignment operator - prohibited

 private:

  FILE                          * myFile;
  LXMLCh                        * myEncodingName;
  Standard_Integer              myIndent;
  Standard_Integer              myCurIndent;
  char *                        myABuffer;      // for WriteAttribute()
  Standard_Integer              myABufferLen;   // for WriteAttribute()
};

#endif