C++ ossimFilename类代码示例

ossimErrorCode ossimVpfDatabaseHeader::open(const ossimFilename& databaseHeaderTable)
{
    vpf_table_type tableTypeData;

    if( is_vpf_table( databaseHeaderTable.c_str() ) )
    {
        tableTypeData = vpf_open_table(databaseHeaderTable.c_str(),
                                       (storage_type)DISK,
                                       "rb",
                                       NULL);
        if(isDatabaseHeaderTable(tableTypeData))
        {

        }
        else
        {
            return ossimErrorCodes::OSSIM_ERROR;
        }
    }
    else
    {
        return ossimErrorCodes::OSSIM_ERROR;
    }

    return ossimErrorCodes::OSSIM_OK;
}

std::shared_ptr<ossim::ifstream> ossimStreamFactoryRegistry::createIFStream(
   const ossimFilename& file, std::ios_base::openmode openMode) const
{
   std::shared_ptr<ossim::ifstream>result(0);
   
   for(ossim_uint32 idx = 0; ((idx < theFactoryList.size())&&(!result)); ++idx)
   {
      result = theFactoryList[idx]->createIFStream(file, openMode);
   }

   if(!result)
   {
      if(file.exists())
      {
         // there is a bug in gcc < 5.0 and we can't use constructors in the 
         // C++11 build.  Will refactor to do a new ifstream then use open
         //

         result = std::make_shared<ossim::ifstream>();
         result->open(file.c_str(), openMode);
         if(!result->is_open())
         {
            result.reset();
         }
      }
   }
   
   return result; 
   
}

bool ossimVpfTable::openTable(const ossimFilename& tableName)
{
   closeTable();

   if(is_vpf_table(const_cast<char*>(tableName.c_str())))
   {
      if(theTableInformation)
      {
         delete theTableInformation;
         theTableInformation = NULL;
      }
      theTableInformation = new vpf_table_type;
      memset(theTableInformation, 0, sizeof(vpf_table_type));

      theTableName = tableName;
      *theTableInformation = vpf_open_table(const_cast<char*>(tableName.c_str()),
                                            disk,
                                            "rb",
                                            NULL);
   }
   else
   {
      delete theTableInformation;
      theTableInformation = NULL;

      return false;
   }

   return true;
}

bool ossimImageUtil::isFiltered(const ossimFilename& file) const
{
   bool result = false;
   if ( file.size() )
   {
      // Strip full path to base name.
      std::string baseName = file.file().string();
      if ( baseName.size() )
      {
         std::vector<std::string>::const_iterator i = m_filteredImages.begin();
         while ( i != m_filteredImages.end() )
         {
            if ( baseName == (*i) )
            {
               result = true;
               break;
            }
            ++i;
         }
      }
   }
#if 0 /* Please leave for debug. (drb) */
   if(traceDebug())
   {
      ossimNotify(ossimNotifyLevel_DEBUG)
         << "ossimFileWalker::isFiltered file " << (result?"filtered: ":"not filtered: ")
         << file << "\n";
   }
#endif
   
   return result;
}

// Note: throws ossimException on error.
void ossimRpfUtil::writeDotRpfFiles( const ossimFilename& aDotTocFile,
                                     const ossimFilename& outputDir )
{
   static const char MODULE[] = "ossimRpfUtil::writeDotRpfFiles";

   if ( traceDebug() )
   {
      ossimNotify(ossimNotifyLevel_DEBUG)
         << MODULE << " entered..."
         << "\na.toc file:        " << aDotTocFile
         << "\noutput directory:  " << outputDir
         << "\n";
   }
   
   // Parse the a.toc file:
   ossimRefPtr<ossimRpfToc> toc = new ossimRpfToc();
   
   if ( toc->parseFile(aDotTocFile) != ossimErrorCodes::OSSIM_OK )
   {
      std::string e = MODULE;
      e += " ERROR:\nCould not open: ";
      e+= aDotTocFile.string();
      throw ossimException(e);
   }

   if ( outputDir.expand().exists() == false )
   {
      if ( !outputDir.createDirectory(true, 0775) )
      {
         std::string e = MODULE;
         e += " ERROR:\nCould not create directory: ";
         e+= outputDir.c_str();
         throw ossimException(e);
      }
   }

   //---
   // Go through the entries...
   //---
   ossim_uint32 entries = toc->getNumberOfEntries();
   for (ossim_uint32 entry = 0; entry < entries; ++entry)
   {
      const ossimRpfTocEntry* tocEntry = toc->getTocEntry(entry);
      if (tocEntry)
      {
         if ( tocEntry->isEmpty() == false )
         {
            writeDotRpfFile(toc.get(), tocEntry, outputDir, entry);
         }
      }
      else
      {
         std::string e = MODULE;
         e += " ERROR:  Null entry: ";
         e += ossimString::toString(entry).string();
         throw ossimException(e);
      }
   }
   
} // End: ossimRpfUtil::writeDotRpfFiles

bool ossimplugins::ossimRadarSat2TiffReader::open(const ossimFilename& file)
{
   static const char MODULE[] = "ossimplugins::ossimRadarSat2TiffReader::open";
   
   if (traceDebug())
   {
      ossimNotify(ossimNotifyLevel_DEBUG)
         << MODULE << " entered...\n"
         << "file: " << file << "\n";
   }

   bool result = false;
   
   if ( isOpen() )
   {
      close();
   }

   // Check extension to see if it's xml.
   if ( file.ext().downcase() == "xml" )
   {
      ossimXmlDocument* xdoc = new ossimXmlDocument();
      if ( xdoc->openFile(file) )
      {
         // See if it's a TerraSAR-X product xml file.
         if ( isRadarSat2ProductFile(xdoc) )
         {
            ossimString s;
            ossimRadarSat2ProductDoc helper;
            
            if ( helper.getImageFile(xdoc, s) )
            {
               ossimFilename imageFile = file.expand().path();
               imageFile = imageFile.dirCat(s);

               setFilename(imageFile);

               result = ossimTiffTileSource::open();
               if (result)
               {
                  theProductXmlFile = file;
                  completeOpen();
               }
            }
         }
      }
      delete xdoc;
      xdoc = 0;
      
   } // matches: if ( file.ext().downcase() == "xml" )

   if (traceDebug())
   {
      ossimNotify(ossimNotifyLevel_DEBUG)
         << MODULE << " exit status = " << (result?"true":"false\n")
         << std::endl;
   }

   return result;
}

void ossimIndexToRgbLutFilter::setLut(const ossimFilename& file)
{
   theLutFile = file;
   if(file.exists())
   {
      ossimKeywordlist kwl(file.c_str());
      loadState(kwl);
   }
}

bool ossimMultiResLevelHistogram::importHistogram(const ossimFilename& file)
{
   if( file.fileSize() > 0 )
   {
      theHistogramFile = file;
      
      ifstream input(file.c_str());
      return importHistogram(input);
   }
   return false;
}

void ossimQtSingleImageWindow::displayImage(const ossimFilename& file)
{
    ossimRefPtr<ossimImageHandler> ih = ossimImageHandlerRegistry::instance()->open(file);
    if (!ih)
    {
        QString caption = "Sorry:";
        QString text = "Could not find the image handler for file:\n";
        text += file.c_str();
        QMessageBox::information( this,
                                  caption,
                                  text,
                                  QMessageBox::Ok );
        return;
    }

    if (ih->getNumberOfDecimationLevels() == 1)
    {
        QString caption("Question:");
        QString text = "Would you like to build reduced resolution data sets?\n";
        text += "Note:\n";
        text += "This can take some time depending on the size of your image.";
        text += "\nAlternatively use the command line application:  \"img2rr\"";

        int answer = QMessageBox::question( this,
                                            caption,
                                            text,
                                            QMessageBox::Yes,
                                            QMessageBox::No);
        if (answer == QMessageBox::Yes)
        {
            //---
            // We need to listen for the open overview signal to rebuild the
            // theResolutionLevelMenu.
            //---
            ih->addListener(this);
            buildOverViews( ih.get() );
        }
    }

    createImageChain( ih.get() );

    // Build the resolution level menu.
    buildResolutionLevelMenu();

    // Give it to the widget.
    theImageWidget->connectMyInputTo(theImageChain.get());
    theImageWidget->refresh();

    connectMyInputTo(theImageChain.get());
    QString caption = "iview : ";
    caption += file.file().c_str();
    setCaption(caption);
}

bool ossimH5Info::open(const ossimFilename& file)
{
   bool result = false;

   // Check for empty filename.
   if (file.size())
   {
      try
      {
         //--
         // Turn off the auto-printing when failure occurs so that we can
         // handle the errors appropriately
         //---
         H5::Exception::dontPrint();
         
         if ( H5::H5File::isHdf5( file.string() ) )
         {
            m_file = file;
            result = true;
         }
      }
      catch( const H5::FileIException& error )
      {
         error.printError();
      }
      
      // catch failure caused by the DataSet operations
      catch( const H5::DataSetIException& error )
      {
         error.printError();
      }
      
      // catch failure caused by the DataSpace operations
      catch( const H5::DataSpaceIException& error )
      {
         error.printError();
      }
      
      // catch failure caused by the DataSpace operations
      catch( const H5::DataTypeIException& error )
      {
         error.printError();
      }
      catch( ... )
      {
         
      }
   }

   return result;
}

bool ossimNitfInfo::open(const ossimFilename& file)
{
   bool result = false;
   
   std::string connectionString = file.c_str();
   std::shared_ptr<ossim::istream> str = ossim::StreamFactoryRegistry::instance()->
      createIstream( file.c_str(), std::ios_base::in|std::ios_base::binary);
   
   if ( str )
   {
      result = open(str, connectionString);
   }
   return result;
}

//**************************************************************************
// CONSTRUCTOR
//**************************************************************************
ossimDtedUhl::ossimDtedUhl(const ossimFilename& dted_file, ossim_int32 offset)
   :
      theRecSen(),
      theField2(),
      theLonOrigin(),
      theLatOrigin(),
      theLonInterval(),
      theLatInterval(),
      theAbsoluteLE(),
      theSecurityCode(),
      theNumLonLines(),
      theNumLatPoints(),
      theMultipleAccuracy(),
      theStartOffset(0),
      theStopOffset(0)
{
   if(!dted_file.empty())
   {
      // Check to see that dted file exists.
      if(!dted_file.exists())
      {
         theErrorStatus = ossimErrorCodes::OSSIM_ERROR;
         ossimNotify(ossimNotifyLevel_FATAL) << "FATAL ossimDtedUhl::ossimDtedUhl: The DTED file does not exist: " << dted_file << std::endl;
         return;
      }
      
      // Check to see that the dted file is readable.
      if(!dted_file.isReadable())
      {
         theErrorStatus = ossimErrorCodes::OSSIM_ERROR;
         ossimNotify(ossimNotifyLevel_FATAL) << "FATAL ossimDtedUhl::ossimDtedUhl: The DTED file is not readable --> " << dted_file << std::endl;
         return;
      }
      
      std::ifstream in(dted_file.c_str());
      if(!in)
      {
         theErrorStatus = ossimErrorCodes::OSSIM_ERROR;
         ossimNotify(ossimNotifyLevel_FATAL) << "FATAL ossimDtedUhl::ossimDtedUhl: Error opening the DTED file: " << dted_file << std::endl;
         
         return;
      }
      in.seekg(offset);
      parse(in);
      
      in.close();
   }
}

static void move( const ossimFilename& in, const ossimFilename& out )
{
#if defined(WIN32) || defined(_MSC_VER) && !defined(__CYGWIN__) && !defined(__MWERKS__)
   std::string moveCommand = "ren";
#else
   std::string moveCommand = "mv";
#endif

   std::string command = moveCommand;
   command += " ";
   command += in.string();
   command += " ";
   command += out.string();
   cout << "Executing " << command << endl;
   system(command.c_str());
}

//*************************************************************************************************
//! Reads the TIL file for pertinent info. Returns TRUE if successful
//*************************************************************************************************
bool ossimQuickbirdRpcModel::parseTileData(const ossimFilename& image_file)
{
   ossimFilename tileFile (image_file);
   tileFile.setExtension("TIL");
   if (!findSupportFile(tileFile))
      return false;

   ossimQuickbirdTile tileHdr;
   if(!tileHdr.open(tileFile))
      return false;

   ossimQuickbirdTileInfo info;
   if(!tileHdr.getInfo(info, image_file.file()))
      return false;

   if((info.theUlXOffset != OSSIM_INT_NAN) && (info.theUlYOffset != OSSIM_INT_NAN) &&
      (info.theLrXOffset != OSSIM_INT_NAN) && (info.theLrYOffset != OSSIM_INT_NAN) &&
      (info.theLlXOffset != OSSIM_INT_NAN) && (info.theLlYOffset != OSSIM_INT_NAN) &&
      (info.theUrXOffset != OSSIM_INT_NAN) && (info.theUrYOffset != OSSIM_INT_NAN))
   {
      theImageClipRect = ossimIrect(ossimIpt(info.theUlXOffset, info.theUlYOffset),
                                    ossimIpt(info.theUrXOffset, info.theUrYOffset),
                                    ossimIpt(info.theLrXOffset, info.theLrYOffset),
                                    ossimIpt(info.theLlXOffset, info.theLlYOffset));
   }
   else if ((info.theUlXOffset != OSSIM_INT_NAN) && (info.theUlYOffset != OSSIM_INT_NAN) &&
      (theImageClipRect.width() != OSSIM_INT_NAN) && (theImageClipRect.height() != OSSIM_INT_NAN))
   {
      theImageClipRect = ossimIrect(info.theUlXOffset, info.theUlYOffset,
                                    info.theUlXOffset+theImageClipRect.width()-1, 
                                    info.theUlYOffset+theImageClipRect.height()-1);
   }

   return true;
}

ossimRefPtr<ossimNitfRsmModel> getModelFromExtFile( const ossimFilename& file )
{
   ossimRefPtr<ossimNitfRsmModel> result = 0;

   if ( file.exists() )
   {
      result = new ossimNitfRsmModel();
      if ( result->parseFile( file, 0 ) ) // Hard coded entry index of 0 for now.
      {
         cout << "Initialize from ext file success!" << endl;
      }
      else
      {
         result = 0;
         cerr << "Could not open: " << file << endl;
      }
   }
   else
   {
     cerr << "File does not exists: " << file << endl;
   }

   return result;
   
} // End: getModelFromExtFile(...)