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<hr><h1>find.h</h1><div class="fragment"><pre>00001 <font class="comment">//</font>
00002 <font class="comment">// find.h</font>
00003 <font class="comment">//</font>
00004 <font class="comment">// Copyright (C) 1996 Limit Point Systems, Inc.</font>
00005 <font class="comment">//</font>
00006 <font class="comment">// Author: Curtis Janssen <cljanss@limitpt.com></font>
00007 <font class="comment">// Maintainer: LPS</font>
00008 <font class="comment">//</font>
00009 <font class="comment">// This file is part of the SC Toolkit.</font>
00010 <font class="comment">//</font>
00011 <font class="comment">// The SC Toolkit is free software; you can redistribute it and/or modify</font>
00012 <font class="comment">// it under the terms of the GNU Library General Public License as published by</font>
00013 <font class="comment">// the Free Software Foundation; either version 2, or (at your option)</font>
00014 <font class="comment">// any later version.</font>
00015 <font class="comment">//</font>
00016 <font class="comment">// The SC Toolkit is distributed in the hope that it will be useful,</font>
00017 <font class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00018 <font class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</font>
00019 <font class="comment">// GNU Library General Public License for more details.</font>
00020 <font class="comment">//</font>
00021 <font class="comment">// You should have received a copy of the GNU Library General Public License</font>
00022 <font class="comment">// along with the SC Toolkit; see the file COPYING.LIB. If not, write to</font>
00023 <font class="comment">// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.</font>
00024 <font class="comment">//</font>
00025 <font class="comment">// The U.S. Government is granted a limited license as per AL 91-7.</font>
00026 <font class="comment">//</font>
00027
00028 <font class="preprocessor">#ifndef _util_render_find_h</font>
00029 <font class="preprocessor"></font><font class="preprocessor">#define _util_render_find_h</font>
00030 <font class="preprocessor"></font>
00031 <font class="preprocessor">#include <util/render/stack.h></font>
00032 <font class="preprocessor">#include <util/render/parameter.h></font>
00033
00034 <font class="keyword">namespace </font>sc {
00035
00036 <font class="comment">// cannot be used with g++ 2.6-94q4 and has other bugs anyway</font>
00037 <font class="preprocessor">#if 0</font>
00038 <font class="preprocessor"></font>template <class T1, class T2>
00039 <font class="keywordtype">void</font>
00040 find_parameter_in_stack(Stack<T1>& stack,
00041 Parameter<T2>& (T1::*access)(),
00042 T2& result
00043 )
00044 {
00045 <font class="keywordtype">int</font> have_result = 0;
00046 <font class="keywordflow">for</font> (<font class="keywordtype">int</font> i=stack.n()-1; i>=0; i--) {
00047 <font class="keywordflow">if</font> ((stack[i]->*access)().is_set()) {
00048 <font class="keywordflow">if</font> (!have_result || (stack[i]->*access)().overrides()) {
00049 result = (stack[i]->*access)().value();
00050 have_result = 1;
00051 }
00052 }
00053 }
00054 }
00055 <font class="preprocessor">#endif</font>
00056 <font class="preprocessor"></font>
00057 <font class="keyword">inline</font> <font class="keywordtype">void</font>
00058 find_int_parameter_in_appearance_stack(Stack<Ref<Appearance> >& stack,
00059 Parameter<int>& (Appearance::*access)(),
00060 <font class="keywordtype">int</font>& result
00061 )
00062 {
00063 <font class="keywordtype">int</font> have_result = 0;
00064 <font class="keywordflow">for</font> (<font class="keywordtype">int</font> i=stack.n()-1; i>=0; i--) {
00065 <font class="keywordflow">if</font> ((stack[i].pointer()->*access)().is_set()) {
00066 <font class="keywordflow">if</font> (!have_result || (stack[i].pointer()->*access)().overrides()) {
00067 result = (stack[i].pointer()->*access)().value();
00068 have_result = 1;
00069 }
00070 }
00071 }
00072 }
00073
00074 }
00075
00076 <font class="preprocessor">#endif</font>
00077 <font class="preprocessor"></font>
00078 <font class="comment">// Local Variables:</font>
00079 <font class="comment">// mode: c++</font>
00080 <font class="comment">// c-file-style: "CLJ"</font>
00081 <font class="comment">// End:</font>
</div></pre><hr>
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