1 /////////////////////////////////////////////////////////////////////////////// 2 // BSD 3-Clause License 3 // 4 // Copyright (c) 2019, Nefelus Inc 5 // All rights reserved. 6 // 7 // Redistribution and use in source and binary forms, with or without 8 // modification, are permitted provided that the following conditions are met: 9 // 10 // * Redistributions of source code must retain the above copyright notice, this 11 // list of conditions and the following disclaimer. 12 // 13 // * Redistributions in binary form must reproduce the above copyright notice, 14 // this list of conditions and the following disclaimer in the documentation 15 // and/or other materials provided with the distribution. 16 // 17 // * Neither the name of the copyright holder nor the names of its 18 // contributors may be used to endorse or promote products derived from 19 // this software without specific prior written permission. 20 // 21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 25 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 // POSSIBILITY OF SUCH DAMAGE. 32 33 #pragma once 34 35 #include "dbCore.h" 36 #include "dbId.h" 37 #include "odb.h" 38 39 namespace odb { 40 41 class _dbDatabase; 42 class dbIStream; 43 class dbOStream; 44 class dbDiff; 45 46 // 47 // dbName - This class is used to cache strings that are repeated frequently. 48 // For example, propery names are repeated frequently. 49 // 50 // Net and Instances names are unique and should not use the dbName cache. 51 // 52 class _dbName : public _dbObject 53 { 54 public: 55 // PERSISTANT-MEMBERS 56 char* _name; 57 dbId<_dbName> _next_entry; 58 uint _ref_cnt; 59 60 _dbName(_dbDatabase*); 61 _dbName(_dbDatabase*, const _dbName& n); 62 ~_dbName(); 63 64 bool operator==(const _dbName& rhs) const; 65 bool operator!=(const _dbName& rhs) const { return !operator==(rhs); } 66 bool operator<(const _dbName& rhs) const; 67 void differences(dbDiff& diff, const char* field, const _dbName& rhs) const; 68 void out(dbDiff& diff, char side, const char* field) const; 69 }; 70 71 dbOStream& operator<<(dbOStream& stream, const _dbName& n); 72 dbIStream& operator>>(dbIStream& stream, _dbName& n); 73 74 } // namespace odb 75