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<h1>find.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
<a name="l00002"></a>00002 <span class="comment">// find.h</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (C) 1996 Limit Point Systems, Inc.</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// Author: Curtis Janssen &lt;cljanss@limitpt.com&gt;</span>
<a name="l00007"></a>00007 <span class="comment">// Maintainer: LPS</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// This file is part of the SC Toolkit.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// The SC Toolkit is free software; you can redistribute it and/or modify</span>
<a name="l00012"></a>00012 <span class="comment">// it under the terms of the GNU Library General Public License as published by</span>
<a name="l00013"></a>00013 <span class="comment">// the Free Software Foundation; either version 2, or (at your option)</span>
<a name="l00014"></a>00014 <span class="comment">// any later version.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// The SC Toolkit is distributed in the hope that it will be useful,</span>
<a name="l00017"></a>00017 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00018"></a>00018 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00019"></a>00019 <span class="comment">// GNU Library General Public License for more details.</span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// You should have received a copy of the GNU Library General Public License</span>
<a name="l00022"></a>00022 <span class="comment">// along with the SC Toolkit; see the file COPYING.LIB.  If not, write to</span>
<a name="l00023"></a>00023 <span class="comment">// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025 <span class="comment">// The U.S. Government is granted a limited license as per AL 91-7.</span>
<a name="l00026"></a>00026 <span class="comment">//</span>
<a name="l00027"></a>00027 
<a name="l00028"></a>00028 <span class="preprocessor">#ifndef _util_render_find_h</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define _util_render_find_h</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include &lt;util/render/stack.h&gt;</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;util/render/parameter.h&gt;</span>
<a name="l00033"></a>00033 
<a name="l00034"></a>00034 <span class="keyword">namespace </span>sc {
<a name="l00035"></a>00035 
<a name="l00036"></a>00036 <span class="comment">// cannot be used with g++ 2.6-94q4 and has other bugs anyway</span>
<a name="l00037"></a>00037 <span class="preprocessor">#if 0</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="keyword">template</span> &lt;<span class="keyword">class</span> T1, <span class="keyword">class</span> T2&gt;
<a name="l00039"></a>00039 <span class="keywordtype">void</span>
<a name="l00040"></a>00040 find_parameter_in_stack(Stack&lt;T1&gt;&amp; stack,
<a name="l00041"></a>00041                         Parameter&lt;T2&gt;&amp; (T1::*access)(),
<a name="l00042"></a>00042                         T2&amp; result
<a name="l00043"></a>00043                         )
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045   <span class="keywordtype">int</span> have_result = 0;
<a name="l00046"></a>00046   <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=stack.n()-1; i&gt;=0; i--) {
<a name="l00047"></a>00047       <span class="keywordflow">if</span> ((stack[i]-&gt;*access)().is_set()) {
<a name="l00048"></a>00048           <span class="keywordflow">if</span> (!have_result || (stack[i]-&gt;*access)().overrides()) {
<a name="l00049"></a>00049               result = (stack[i]-&gt;*access)().value();
<a name="l00050"></a>00050               have_result = 1;
<a name="l00051"></a>00051             }
<a name="l00052"></a>00052         }
<a name="l00053"></a>00053     }
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055 <span class="preprocessor">#endif</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span>
<a name="l00057"></a>00057 <span class="keyword">inline</span> <span class="keywordtype">void</span>
<a name="l00058"></a>00058 find_int_parameter_in_appearance_stack(Stack&lt;Ref&lt;Appearance&gt; &gt;&amp; stack,
<a name="l00059"></a>00059                         Parameter&lt;int&gt;&amp; (Appearance::*access)(),
<a name="l00060"></a>00060                         <span class="keywordtype">int</span>&amp; result
<a name="l00061"></a>00061                         )
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063   <span class="keywordtype">int</span> have_result = 0;
<a name="l00064"></a>00064   <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=stack.n()-1; i&gt;=0; i--) {
<a name="l00065"></a>00065       <span class="keywordflow">if</span> ((stack[i].pointer()-&gt;*access)().is_set()) {
<a name="l00066"></a>00066           <span class="keywordflow">if</span> (!have_result || (stack[i].pointer()-&gt;*access)().overrides()) {
<a name="l00067"></a>00067               result = (stack[i].pointer()-&gt;*access)().value();
<a name="l00068"></a>00068               have_result = 1;
<a name="l00069"></a>00069             }
<a name="l00070"></a>00070         }
<a name="l00071"></a>00071     }
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075 
<a name="l00076"></a>00076 <span class="preprocessor">#endif</span>
<a name="l00077"></a>00077 <span class="preprocessor"></span>
<a name="l00078"></a>00078 <span class="comment">// Local Variables:</span>
<a name="l00079"></a>00079 <span class="comment">// mode: c++</span>
<a name="l00080"></a>00080 <span class="comment">// c-file-style: "CLJ"</span>
<a name="l00081"></a>00081 <span class="comment">// End:</span>
</pre></div></div>
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