1 /* 2 * An object providing access to file functionality. 3 * 4 * Copyright (C) 2021 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #include "file_provider.h" 23 24 25 26 /* Initialise the provider with a page 'mapper' for the file's contents. */ 27 28 FileProvider::FileProvider(PageMapper *mapper) 29 : FileNotification(), _mapper(mapper) 30 { 31 } 32 33 /* Deallocate the provider's resources. */ 34 35 FileProvider::~FileProvider() 36 { 37 /* Accessors are allocated exclusively for page mappers for files, and 38 so can be deleted here. In general, the page mapper may not have 39 exclusive ownership of an accessor. */ 40 41 Accessor *accessor = _mapper->accessor(); 42 delete _mapper; 43 delete accessor; 44 } 45 46 /* Return the page mapper provided. */ 47 48 PageMapper *FileProvider::mapper() 49 { 50 return _mapper; 51 } 52 53 // vim: tabstop=4 expandtab shiftwidth=4