Commit 3acd5951 authored by Ken Martin's avatar Ken Martin

new command

parent e6713c56
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2000 National Library of Medicine
All rights reserved.
See COPYRIGHT.txt for copyright details.
=========================================================================*/
#include "cmFindFileCommand.h"
#include "cmCacheManager.h"
#include <stdlib.h>
#include <stdio.h>
// cmFindFileCommand
bool cmFindFileCommand::Invoke(std::vector<std::string>& args)
{
if(args.size() < 2 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
std::vector<std::string>::iterator i = args.begin();
// Use the first argument as the name of something to be defined
const char* define = (*i).c_str();
i++; // move iterator to next arg
// Now check and see if the value has been stored in the cache
// already, if so use that value and don't look for the program
const char* cacheValue
= cmCacheManager::GetInstance()->GetCacheValue(define);
if(cacheValue)
{
m_Makefile->AddDefinition(define, cacheValue);
return true;
}
// if it is not in the cache, then search the system path
std::vector<std::string> path;
// add any user specified paths
for (unsigned int j = 2; j < args.size(); j++)
{
// expand variables
std::string exp = args[j];
m_Makefile->ExpandVariablesInString(exp);
path.push_back(exp);
}
// add the standard path
cmSystemTools::GetPath(path);
for(unsigned int k=0; k < path.size(); k++)
{
std::string tryPath = path[k];
tryPath += "/";
tryPath += *i;
if(cmSystemTools::FileExists(tryPath.c_str()))
{
// Save the value in the cache
cmCacheManager::GetInstance()->AddCacheEntry(define,
tryPath.c_str(),
cmCacheManager::FILEPATH);
m_Makefile->AddDefinition(define, tryPath.c_str());
return true;
}
}
return false;
}
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2000 National Library of Medicine
All rights reserved.
See COPYRIGHT.txt for copyright details.
=========================================================================*/
#ifndef cmFindFileCommand_h
#define cmFindFileCommand_h
#include "cmStandardIncludes.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 Invoke(std::vector<std::string>& args);
/**
* This determines if the command gets propagated down
* to makefiles located in subdirectories.
*/
virtual bool IsInherited() { return true; }
/**
* 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 a file.";
}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation()
{
return
"FIND_FILE(NAME file extrapath extrapath ...)";
}
cmTypeMacro(cmFindFileCommand, cmCommand);
};
#endif
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment