1 /* 2 * Copyright (c) 2008 Stephan Aßmus <superstippi@gmx.de> 3 * Copyright (c) 1998-2007 Matthijs Hollemans 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 */ 23 #ifndef FILE_ITERATOR_H 24 #define FILE_ITERATOR_H 25 26 class BEntry; 27 28 // Provides an interface to retrieve the next file that should be grepped 29 // for the search string. 30 class FileIterator { 31 public: 32 FileIterator(); 33 virtual ~FileIterator(); 34 35 virtual bool IsValid() const = 0; 36 37 // Returns the full path name of the next file. 38 virtual bool GetNextName(char* buffer) = 0; 39 40 // Tells the Grepper whether the targets wants to know about negative hits. 41 virtual bool NotifyNegatives() const = 0; 42 43 protected: 44 // Determines whether we can grep a file. 45 bool _ExamineFile(BEntry& entry, char* buffer, 46 bool textFilesOnly); 47 }; 48 49 #endif // FILE_ITERATOR_H 50