mirror of
https://github.com/cuberite/TCLAP.git
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116 lines
2.5 KiB
C++
116 lines
2.5 KiB
C++
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/******************************************************************************
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*
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* file: ArgException.h
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*
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* Copyright (c) 2003, Michael E. Smoot .
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* All rights reverved.
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*
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* See the file COPYING in the top directory of this distribution for
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* more information.
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*
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* THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*****************************************************************************/
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#ifndef __ARG_EXCEPTION_H__
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#define __ARG_EXCEPTION_H__
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#include <string>
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#include <exception>
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namespace TCLAP {
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/**
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* A simple class that defines and argument exception. Should be caught
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* whenever a CmdLine is created and parsed.
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*/
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class ArgException : std::exception
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{
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public:
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/**
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* Constructor.
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* \param text - The text of the exception.
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* \param id - The text identifying the argument source
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* of the exception.
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*/
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ArgException( const std::string& text = "undefined exception",
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const std::string& id = "undefined" )
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: std::exception(), _errorText(text), _argId( id ) { }
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/**
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* Copy constructor.
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* \param e - The ArgException that will be copied.
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*/
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ArgException(const ArgException& e)
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: _errorText(e._errorText), _argId(e._argId) { }
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/**
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* Destructor.
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*/
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virtual ~ArgException() throw() { }
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/**
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* Assignment operator.
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* \param e - The ArgException that will be assigned
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* to this.
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*/
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ArgException& operator=( const ArgException& e )
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{
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if ( this != &e )
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{
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_errorText = e._errorText;
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_argId = e._argId;
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}
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return *this;
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}
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/**
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* Returns the error text.
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*/
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std::string error() const { return ( _errorText ); }
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/**
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* Returns the argument id.
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*/
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std::string argId() const
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{
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if ( _argId == "undefined" )
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return " ";
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else
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return ( "Argument: " + _argId );
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}
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/**
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* Returns the error text.
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*/
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const char* what() throw() { return _errorText.c_str(); }
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private:
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/**
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* The text of the exception message.
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*/
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std::string _errorText;
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/**
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* The argument related to this exception.
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*/
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std::string _argId;
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};
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}
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#endif
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