argW.h

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 * You can  use, modify and/or redistribute the software under the
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/*
 *  Data writer class
 */
#ifndef AIMS_IO_ARGW_H
#define AIMS_IO_ARGW_H
 
#include <cartobase/object/syntax.h>
#include <cartobase/object/object.h>
 
class Graph;
 
namespace aims
{

  class LowLevelArgWriter
  {
  public:
    enum SavingMode
    {
      Keep,
      Global,
      Local
    };
 
    LowLevelArgWriter();
    virtual ~LowLevelArgWriter();
    virtual void write( const std::string & filename, Graph & graph, 
                        SavingMode mode = Keep,
                        bool saveOnlyModified = true ) = 0;
    virtual carto::Object getMinf( const Graph & g );
  };
 
  /* This class is a wrapper for several GraphWriters: standard GraphWriter, 
     FoldWriter, FRGWriter (defined in sigraph library), etc. New writers can
     be added as plugins.
   */
  class ArgWriter
  {
  public:
    enum SavingMode
    {
      Keep,
      Global,
      Local
    };
 
    ArgWriter( const std::string& filename );
    ~ArgWriter();
    bool write( Graph &, SavingMode mode = Keep,
                bool saveOnlyModified = true ) const;
    static void registerWriter( const std::string & syntax, 
                                LowLevelArgWriter *writer );
    static bool hasWriter( const std::string & syntax );
    static void deleteWriter( const std::string & syntax );
 
  private:
    struct StaticPrivate;
    static StaticPrivate* staticPrivate();
 
    std::string _name;
  };

  class LowLevelStandardArgWriter : public LowLevelArgWriter
  {
  public:
    LowLevelStandardArgWriter();
    virtual ~LowLevelStandardArgWriter();
    virtual void write( const std::string & filename, Graph & graph, 
                        SavingMode mode = Keep, bool saveOnlyModified = true );
 
  private:
    carto::SyntaxSet    *_syntax;
  };
 
}
 
#endif