CMake/Source/cmFindFileCommand.h

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
#ifndef cmFindFileCommand_h
#define cmFindFileCommand_h
#include "cmCommand.h"
/** \class cmFindFileCommand
* \brief Define a command to search for an executable program.
*
* cmFindFileCommand is used to define a CMake variable
* that specifies an executable program. The command searches
* in the current path (e.g., PATH environment variable) for
* an executable that matches one of the supplied names.
*/
class cmFindFileCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
virtual cmCommand* Clone()
{
return new cmFindFileCommand;
}
/**
* This is called when the command is first encountered in
* the CMakeLists.txt file.
*/
virtual bool InitialPass(std::vector<std::string> const& args);
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/**
* This determines if the command is invoked when in script mode.
*/
virtual bool IsScriptable() { return true; }
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/**
* The name of the command as specified in CMakeList.txt.
*/
virtual const char* GetName() { return "FIND_FILE";}
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation()
{
return "Find the full path to a file.";
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}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation()
{
return
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" FIND_FILE(<VAR> fileName path1 [path2 ...]\n"
" [DOC \"docstring\"])\n"
"Find the full path to a file named by fileName. Paths "
"are searched in the order specified. A cache entry named by "
"<VAR> is created to store the result. If the file is not "
"found, the result will be <VAR>-NOTFOUND. If DOC is specified "
"then the next argument is treated as a documentation string for "
"the cache entry <VAR>. Note that since executables can have "
"different extensions on different platforms, FIND_PROGRAM "
"should be used instead of FIND_FILE when looking for them.";
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}
cmTypeMacro(cmFindFileCommand, cmCommand);
};
#endif