// $Id$ // `Dummy' boxes (for pattern matching) // Copyright (C) 1995 Technische Universitaet Braunschweig, Germany. // Written by Andreas Zeller <zeller@gnu.org>. // // This file is part of DDD. // // DDD is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public // License as published by the Free Software Foundation; either // version 3 of the License, or (at your option) any later version. // // DDD is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. // See the GNU General Public License for more details. // // You should have received a copy of the GNU General Public // License along with DDD -- see the file COPYING. // If not, see <http://www.gnu.org/licenses/>. // // DDD is the data display debugger. // For details, see the DDD World-Wide-Web page, // `http://www.gnu.org/software/ddd/', // or send a mail to the DDD developers <ddd@gnu.org>. #ifndef _DDD_DummyBox_h #define _DDD_DummyBox_h // A DummyBox is used in pattern matching. // If `DummyBox::matchesAll' is set, a DummyBox matches any other box // (otherwise, only another DummyBox). #include "strclass.h" #include "bool.h" #include "Box.h" #include "Widget.h" #include "ListBox.h" // DummyBox // A DummyBox is derived from ListBox, such that we can match Lists. class DummyBox: public ListBox { public: DECLARE_TYPE_INFO protected: // Copy DummyBox(const DummyBox& box): ListBox(box) {} void dump(std::ostream& s) const; bool matches (const Box &b, const Box *callbackArg = 0) const; public: // Constructor DummyBox(const char *t = "DummyBox"): ListBox(t) {} Box *dup() const { return new DummyBox(*this); } static bool matchesAll; // Flag: match all? bool isDummyBox() const { return true; } }; #endif