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<h1>OptionalUnlabeledTracker.h</h1><a href="OptionalUnlabeledTracker_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 
<a name="l00002"></a>00002 
<a name="l00003"></a>00003 <span class="comment">/****************************************************************************** </span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> *  file:  OptionalUnlabeledTracker.h</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> *  Copyright (c) 2005, Michael E. Smoot .</span>
<a name="l00008"></a>00008 <span class="comment"> *  All rights reserved.</span>
<a name="l00009"></a>00009 <span class="comment"> * </span>
<a name="l00010"></a>00010 <span class="comment"> *  See the file COPYING in the top directory of this distribution for</span>
<a name="l00011"></a>00011 <span class="comment"> *  more information.</span>
<a name="l00012"></a>00012 <span class="comment"> *  </span>
<a name="l00013"></a>00013 <span class="comment"> *  THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS </span>
<a name="l00014"></a>00014 <span class="comment"> *  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, </span>
<a name="l00015"></a>00015 <span class="comment"> *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL </span>
<a name="l00016"></a>00016 <span class="comment"> *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER </span>
<a name="l00017"></a>00017 <span class="comment"> *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING </span>
<a name="l00018"></a>00018 <span class="comment"> *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER </span>
<a name="l00019"></a>00019 <span class="comment"> *  DEALINGS IN THE SOFTWARE.  </span>
<a name="l00020"></a>00020 <span class="comment"> *  </span>
<a name="l00021"></a>00021 <span class="comment"> *****************************************************************************/</span> 
<a name="l00022"></a>00022 
<a name="l00023"></a>00023 
<a name="l00024"></a>00024 <span class="preprocessor">#ifndef TCLAP_OPTIONAL_UNLABELED_TRACKER_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define TCLAP_OPTIONAL_UNLABELED_TRACKER_H</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;string&gt;</span>
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 <span class="keyword">namespace </span>TCLAP {
<a name="l00030"></a>00030 
<a name="l00031"></a><a class="code" href="classTCLAP_1_1OptionalUnlabeledTracker.html">00031</a> <span class="keyword">class </span><a class="code" href="classTCLAP_1_1OptionalUnlabeledTracker.html">OptionalUnlabeledTracker</a>
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 
<a name="l00034"></a>00034     <span class="keyword">public</span>:
<a name="l00035"></a>00035 
<a name="l00036"></a>00036         <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classTCLAP_1_1OptionalUnlabeledTracker.html#a59bfa7d01b45d4796500470c9218e390">check</a>( <span class="keywordtype">bool</span> req, <span class="keyword">const</span> std::string&amp; argName );
<a name="l00037"></a>00037 
<a name="l00038"></a><a class="code" href="classTCLAP_1_1OptionalUnlabeledTracker.html#aca1fc2a02fbde351cce7ea05f0e6ef89">00038</a>         <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classTCLAP_1_1OptionalUnlabeledTracker.html#aca1fc2a02fbde351cce7ea05f0e6ef89">gotOptional</a>() { alreadyOptionalRef() = <span class="keyword">true</span>; }
<a name="l00039"></a>00039 
<a name="l00040"></a><a class="code" href="classTCLAP_1_1OptionalUnlabeledTracker.html#a50fc04586196c0861491968fcdadf48b">00040</a>         <span class="keyword">static</span> <span class="keywordtype">bool</span>&amp; <a class="code" href="classTCLAP_1_1OptionalUnlabeledTracker.html#a50fc04586196c0861491968fcdadf48b">alreadyOptional</a>() { <span class="keywordflow">return</span> alreadyOptionalRef(); } 
<a name="l00041"></a>00041 
<a name="l00042"></a>00042     <span class="keyword">private</span>:
<a name="l00043"></a>00043 
<a name="l00044"></a>00044         <span class="keyword">static</span> <span class="keywordtype">bool</span>&amp; alreadyOptionalRef() { <span class="keyword">static</span> <span class="keywordtype">bool</span> ct = <span class="keyword">false</span>; <span class="keywordflow">return</span> ct; }
<a name="l00045"></a>00045 };
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 
<a name="l00048"></a><a class="code" href="classTCLAP_1_1OptionalUnlabeledTracker.html#a59bfa7d01b45d4796500470c9218e390">00048</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classTCLAP_1_1OptionalUnlabeledTracker.html#a59bfa7d01b45d4796500470c9218e390">OptionalUnlabeledTracker::check</a>( <span class="keywordtype">bool</span> req, <span class="keyword">const</span> std::string&amp; argName )
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050     <span class="keywordflow">if</span> ( <a class="code" href="classTCLAP_1_1OptionalUnlabeledTracker.html#a50fc04586196c0861491968fcdadf48b">OptionalUnlabeledTracker::alreadyOptional</a>() )
<a name="l00051"></a>00051         <span class="keywordflow">throw</span>( <a class="code" href="classTCLAP_1_1SpecificationException.html" title="Thrown from Arg and CmdLine when an Arg is improperly specified, e.g.">SpecificationException</a>(
<a name="l00052"></a>00052     <span class="stringliteral">&quot;You can&apos;t specify ANY Unlabeled Arg following an optional Unlabeled Arg&quot;</span>,
<a name="l00053"></a>00053                     argName ) );
<a name="l00054"></a>00054 
<a name="l00055"></a>00055     <span class="keywordflow">if</span> ( !req )
<a name="l00056"></a>00056         <a class="code" href="classTCLAP_1_1OptionalUnlabeledTracker.html#aca1fc2a02fbde351cce7ea05f0e6ef89">OptionalUnlabeledTracker::gotOptional</a>();
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058 
<a name="l00059"></a>00059 
<a name="l00060"></a>00060 } <span class="comment">// namespace TCLAP</span>
<a name="l00061"></a>00061 
<a name="l00062"></a>00062 <span class="preprocessor">#endif</span>
</pre></div></div>
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