ImpExp.h

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//
//      $Id$
//


#ifndef _ImpExp_h_
#define _ImpExp_h_

#include <stack>
#include <expat.h>
#include <vapor/MyBase.h>
#include <vapor/common.h>
#include <vapor/XmlNode.h>
#include <vapor/ExpatParseMgr.h>
#ifdef WIN32
#pragma warning(disable : 4251)
#endif
namespace VAPoR {


//
class VDF_API ImpExp : public VetsUtil::MyBase, public ParsedXml {
public:

 //
 ImpExp();


 virtual ~ImpExp();


 //
 int Export(
    const string &path, size_t ts, const string &varname, 
    const size_t min[3], const size_t max[3], const size_t timeseg[2]
 );

 //
 int Import(
    string *path, size_t *ts, string *varname, 
    size_t min[3], size_t max[3], size_t timeseg[2]
 );
static string GetPath();
private:
    int _objInitialized;    // has the obj successfully been initialized?
    XmlNode *_rootnode;     // root node of the xml tree

    static const string _rootTag;
    static const string _pathNameTag;
    static const string _timeStepTag;
    static const string _varNameTag;
    static const string _regionTag;
    static const string _timeSegmentTag;

    bool elementStartHandler(ExpatParseMgr*, int depth , std::string& tag, const char **attr);
    bool elementEndHandler(ExpatParseMgr*, int depth , std::string& );

    // XML Expat element handler helpers. A different handler is defined
    // for each possible state (depth of XML tree) from 0 to 1
    //
    void _startElementHandler0(ExpatParseMgr*, const string &tag, const char **attrs);
    void _startElementHandler1(ExpatParseMgr*,const string &tag, const char **attrs);
    void _endElementHandler0(ExpatParseMgr*,const string &tag);
    void _endElementHandler1(ExpatParseMgr*,const string &tag);

    

};


};

#endif  //  _ImpExp_h_