Line data    Source code

       1              : /****************************************************************************/
       2              : // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
       3              : // Copyright (C) 2004-2025 German Aerospace Center (DLR) and others.
       4              : // This program and the accompanying materials are made available under the
       5              : // terms of the Eclipse Public License 2.0 which is available at
       6              : // https://www.eclipse.org/legal/epl-2.0/
       7              : // This Source Code may also be made available under the following Secondary
       8              : // Licenses when the conditions for such availability set forth in the Eclipse
       9              : // Public License 2.0 are satisfied: GNU General Public License, version 2
      10              : // or later which is available at
      11              : // https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
      12              : // SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
      13              : /****************************************************************************/
      14              : /// @file    OutputDevice_File.cpp
      15              : /// @author  Daniel Krajzewicz
      16              : /// @author  Michael Behrisch
      17              : /// @author  Jakob Erdmann
      18              : /// @date    2004
      19              : ///
      20              : // An output device that encapsulates an ofstream
      21              : /****************************************************************************/
      22              : #include <config.h>
      23              : 
      24              : #include <iostream>
      25              : #include <cstring>
      26              : #include <cerrno>
      27              : #ifdef HAVE_ZLIB
      28              : #include <foreign/zstr/zstr.hpp>
      29              : #endif
      30              : #include <utils/common/StringUtils.h>
      31              : #include <utils/common/UtilExceptions.h>
      32              : #include "OutputDevice_File.h"
      33              : 
      34              : 
      35              : // ===========================================================================
      36              : // method definitions
      37              : // ===========================================================================
      38        79497 : OutputDevice_File::OutputDevice_File(const std::string& fullName, const bool binary)
      39        79497 :     : OutputDevice(0, fullName) {
      40        79497 :     if (fullName == "/dev/null") {
      41          849 :         myAmNull = true;
      42              : #ifdef WIN32
      43              :         myFileStream = new std::ofstream("NUL");
      44              :         if (!myFileStream->good()) {
      45              :             delete myFileStream;
      46              :             throw IOError(TLF("Could not redirect to NUL device (%).", std::string(std::strerror(errno))));
      47              :         }
      48              :         return;
      49              : #endif
      50              :     }
      51        79497 :     const std::string& localName = StringUtils::transcodeToLocal(fullName);
      52              :     std::ios_base::openmode mode = std::ios_base::out;
      53        79497 :     if (binary) {
      54              :         mode |= std::ios_base::binary;
      55              :     }
      56              : #ifdef HAVE_ZLIB
      57       159077 :     if (fullName.length() > 3 && fullName.substr(fullName.length() - 3) == ".gz") {
      58              :         try {
      59          513 :             myFileStream = new zstr::ofstream(localName.c_str(), mode);
      60            1 :         } catch (strict_fstream::Exception& e) {
      61            3 :             throw IOError("Could not build output file '" + fullName + "' (" + e.what() + ").");
      62            1 :         } catch (zstr::Exception& e) {
      63            0 :             throw IOError("Could not build output file '" + fullName + "' (" + e.what() + ").");
      64            0 :         }
      65              :     }
      66              : #else
      67              :     UNUSED_PARAMETER(compressed);
      68              : #endif
      69        79496 :     if (myFileStream == nullptr) {
      70        78985 :         myFileStream = new std::ofstream(localName.c_str(), mode);
      71              :     }
      72        79496 :     if (!myFileStream->good()) {
      73           89 :         delete myFileStream;
      74          267 :         throw IOError("Could not build output file '" + fullName + "' (" + std::strerror(errno) + ").");
      75              :     }
      76        79497 : }
      77              : 
      78              : 
      79       158774 : OutputDevice_File::~OutputDevice_File() {
      80              :     // we need to cleanup the formatter first, because it still might have cached data
      81        79387 :     delete myFormatter;
      82        79387 :     myFormatter = nullptr;
      83        79387 :     delete myFileStream;
      84       158774 : }
      85              : 
      86              : 
      87              : /****************************************************************************/