X3DUrlObject.h

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//    Copyright 2004-2019, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __X3DURLOBJECT_H__
#define __X3DURLOBJECT_H__
 
#include <H3D/Node.h>
#include <H3D/FieldTemplates.h>
#include <H3D/MFString.h>
 
namespace H3D {
  class H3DAPI_API X3DUrlObject {
  public:
 
    X3DUrlObject( Inst< MFString>  _url = 0 );
 
    virtual ~X3DUrlObject() {}
 
    typedef enum {
      INIT,
      LOADED,
      LOADING,
      FAILED
    } LoadStatus;
 
    virtual LoadStatus loadStatus() { 
       if( url_used != "" ) return X3DUrlObject::LOADED;
       else return X3DUrlObject::FAILED;
    }
 
    virtual H3DFloat loadProgress() {
      if( loadStatus() == LOADED ) return 1;
      else return 0;
    }
 
    inline void setURLUsed( const string &_url_used ) {
      url_used = _url_used;
    }
 
    inline const string &getURLUsed() {
      return url_used;
    }
 
    inline void setURLBase( const string &_url_base ) {
      url_base = _url_base;
    }
 
    inline const string &getURLBase() {
      return url_base;
    }
 
    string resolveURLAsFile( const string &url, 
                             bool *is_tmp_file = NULL );
 
    string resolveURLAsString( const string &url );
 
    bool removeTmpFile( const string &file );
    
    H3DUniquePtr< MFString >  url;
  protected:
    string resolveURL ( const string& _url, bool return_contents, bool *is_tmp_file = NULL ); 
 
    void addInlinePrefix( const string &s );
 
    int getInlinedContentOffset( const std::string& url );
 
    string url_used;
 
    string url_base;
 
    list< string > supported_inline_prefixes;
  };
}
 
#endif