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/*  Visualization Library                                                             */
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#ifndef VirtualDirectory_INCUDE_ONCE
#define VirtualDirectory_INCUDE_ONCE

#include <vlCore/Object.hpp>
#include <vlCore/String.hpp>
#include <vlCore/Log.hpp>
#include <vlCore/Say.hpp>
#include <vlCore/VirtualFile.hpp>

namespace vl
{
//---------------------------------------------------------------------------
// VirtualDirectory
//---------------------------------------------------------------------------
  class VLCORE_EXPORT VirtualDirectory: public Object
  {
    VL_INSTRUMENT_ABSTRACT_CLASS(vl::VirtualDirectory, Object)

  public:
    VirtualDirectory(): mPath("/") {}

    VirtualDirectory( const String& path ): mPath(path) {}

    virtual bool setPath(const String& path);

    virtual const String& path() const { return mPath; }

    bool fileExists(const String& name) const { return file(name).get() != NULL; }

    virtual ref<VirtualFile> file(const String& name) const = 0;

    virtual void listFilesRecursive(std::vector<String>& file_list) const = 0;

    virtual void listFilesRecursive(std::vector<String>& file_list, const String& match) const
    {
      listFilesRecursive(file_list);
      if (match != "*")
        String::filterStrings(file_list, match);
    }

    virtual void listFiles(std::vector<String>& file_list, bool append=false) const = 0;

    virtual void listSubDirs(std::vector<String>& dirs, bool append=false) const = 0;
    virtual ref<VirtualDirectory> subDir(const String& subdir_name) const  = 0;

  protected:
    String translatePath(const String& p) const;

  protected:
    String mPath;
  };
}

#endif