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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2001 Insight Consortium
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* The name of the Insight Consortium, nor the names of any consortium members,
nor of any contributors, may be used to endorse or promote products derived
from this software without specific prior written permission.
* Modified source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=========================================================================*/
#ifndef cmVariableRequiresCommand_h
#define cmVariableRequiresCommand_h
#include "cmStandardIncludes.h"
#include "cmCommand.h"
/** \class cmVariableRequiresCommand
* \brief Displays a message to the user
*
*/
class cmVariableRequiresCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
virtual cmCommand* Clone()
{
return new cmVariableRequiresCommand;
}
/**
* This is called when the command is first encountered in
* the CMakeLists.txt file.
*/
virtual bool InitialPass(std::vector<std::string> const& args);
///!
virtual void FinalPass();
/**
* The name of the command as specified in CMakeList.txt.
*/
virtual const char* GetName() { return "VARIABLE_REQUIRES";}
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation()
{
return "Display an error message .";
}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation()
{
return
"VARIABLE_REQUIRES(TEST_VARIABLE RESULT_VARIABLE "
"REQUIRED_VARIABLE1 REQUIRED_VARIABLE2 ...) "
"The first argument (TEST_VARIABLE) is the name of the varible to be "
"tested, if that varible is false nothing else is done. If "
"TEST_VARIABLE is true, then "
"the next arguemnt (RESULT_VARIABLE) is a vairable that is set to true "
"if all the "
"required variables are set."
"The rest of the arguments are varibles that must be true or not "
"set to NOTFOUND to avoid an error. ";
}
cmTypeMacro(cmVariableRequiresCommand, cmCommand);
private:
std::string m_ErrorMessage;
std::vector<std::string> m_Arguments;
bool m_RequirementsMet;
};
#endif
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