tclap  1.2.2
HelpVisitor.h
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1 
2 /******************************************************************************
3  *
4  * file: HelpVisitor.h
5  *
6  * Copyright (c) 2003, Michael E. Smoot .
7  * All rights reserved.
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
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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  private:
41  HelpVisitor(const HelpVisitor& rhs);
42  HelpVisitor& operator=(const HelpVisitor& rhs);
43 
44  protected:
45 
49  CmdLineInterface* _cmd;
50 
54  CmdLineOutput** _out;
55 
56  public:
57 
63  HelpVisitor(CmdLineInterface* cmd, CmdLineOutput** out)
64  : Visitor(), _cmd( cmd ), _out( out ) { }
65 
70  void visit() { (*_out)->usage(*_cmd); throw ExitException(0); }
71 
72 };
73 
74 }
75 
76 #endif
CmdLineOutput.h
TCLAP::HelpVisitor::_cmd
CmdLineInterface * _cmd
The CmdLine the output will be generated for.
Definition: HelpVisitor.h:85
TCLAP::Visitor::Visitor
Visitor()
Constructor.
Definition: Visitor.h:74
TCLAP::HelpVisitor::_out
CmdLineOutput ** _out
The output object.
Definition: HelpVisitor.h:90
Visitor.h
CmdLineInterface.h
TCLAP::HelpVisitor::visit
void visit()
Calls the usage method of the CmdLineOutput for the specified CmdLine.
Definition: HelpVisitor.h:106
TCLAP
Definition: Arg.h:58