Line data    Source code

       1             : /****************************************************************************/
       2             : // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
       3             : // Copyright (C) 2001-2024 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    IDSupplier.cpp
      15             : /// @author  Daniel Krajzewicz
      16             : /// @author  Jakob Erdmann
      17             : /// @author  Michael Behrisch
      18             : /// @date    Sept 2002
      19             : ///
      20             : // A class that generates enumerated and prefixed string-ids
      21             : /****************************************************************************/
      22             : #include <config.h>
      23             : 
      24             : #include <string>
      25             : #include <sstream>
      26             : #include <iostream>
      27             : #include "StdDefs.h"
      28             : #include "IDSupplier.h"
      29             : 
      30             : 
      31             : // ===========================================================================
      32             : // method definitions
      33             : // ===========================================================================
      34           0 : IDSupplier::IDSupplier(const std::string& prefix, long long int begin)
      35           0 :     : myCurrent(begin), myPrefix(prefix) {}
      36             : 
      37             : 
      38             : 
      39         112 : IDSupplier::IDSupplier(const std::string& prefix, const std::vector<std::string>& knownIDs)
      40         112 :     : myCurrent(0), myPrefix(prefix) {
      41       48207 :     for (std::vector<std::string>::const_iterator id_it = knownIDs.begin(); id_it != knownIDs.end(); ++id_it) {
      42       48095 :         avoid(*id_it);
      43             :     }
      44         112 : }
      45             : 
      46             : 
      47         112 : IDSupplier::~IDSupplier() {}
      48             : 
      49             : 
      50             : std::string
      51       11823 : IDSupplier::getNext() {
      52       11823 :     std::ostringstream strm;
      53       11823 :     strm << myPrefix << myCurrent++;
      54       11823 :     return strm.str();
      55       11823 : }
      56             : 
      57             : 
      58             : void
      59       48095 : IDSupplier::avoid(const std::string& id) {
      60             :     // does it start with prefix?
      61       48095 :     if (id.find(myPrefix) == 0) {
      62             :         long long int number;
      63       96190 :         std::istringstream buf(id.substr(myPrefix.size()));
      64             :         buf >> number;
      65             :         // does it continue with a number?
      66       48095 :         if (!buf.fail()) {
      67       47358 :             myCurrent = MAX2(myCurrent, number + 1);
      68             :         }
      69       48095 :     }
      70       48095 : }
      71             : 
      72             : 
      73             : /****************************************************************************/