tclap  1.2.0
HelpVisitor.h
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1 
2 /******************************************************************************
3  *
4  * file: HelpVisitor.h
5  *
6  * Copyright (c) 2003, Michael E. Smoot .
7  * All rights reverved.
8  *
9  * See the file COPYING in the top directory of this distribution for
10  * more information.
11  *
12  * THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS
13  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
15  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
16  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
17  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
18  * DEALINGS IN THE SOFTWARE.
19  *
20  *****************************************************************************/
21 
22 #ifndef TCLAP_HELP_VISITOR_H
23 #define TCLAP_HELP_VISITOR_H
24 
25 #include <tclap/CmdLineInterface.h>
26 #include <tclap/CmdLineOutput.h>
27 #include <tclap/Visitor.h>
28 
29 namespace TCLAP {
30 
35 class HelpVisitor: public Visitor
36 {
37  protected:
38 
43 
48 
49  public:
50 
57  : Visitor(), _cmd( cmd ), _out( out ) { }
58 
63  void visit() { (*_out)->usage(*_cmd); throw ExitException(0); }
64 
65 };
66 
67 }
68 
69 #endif