Source/cmFindFileCommand.cxx

   1 /*=========================================================================
   2
   3   Program:   Insight Segmentation & Registration Toolkit
   4   Module:    $RCSfile: cmFindFileCommand.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2002-03-29 19:20:18 $
   7   Version:   $Revision: 1.17 $
   8
   9   Copyright (c) 2002 Insight Consortium. All rights reserved.
  10   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
  11
  12      This software is distributed WITHOUT ANY WARRANTY; without even
  13      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  14      PURPOSE.  See the above copyright notices for more information.
  15
  16 =========================================================================*/
  17 #include "cmFindFileCommand.h"
  18 #include "cmCacheManager.h"
  19 #include <stdlib.h>
  20 #include <stdio.h>
  21
  22
  23 // cmFindFileCommand
  24 bool cmFindFileCommand::InitialPass(std::vector<std::string> const& argsIn)
  25 {
  26   if(argsIn.size() < 2)
  27     {
  28     this->SetError("called with incorrect number of arguments");
  29     return false;
  30     }
  31   std::string helpString = "Where can the ";
  32   helpString += argsIn[1] + " file be found";
  33   size_t size = argsIn.size();
  34   std::vector<std::string> argst;
  35   for(unsigned int j = 0; j < size; ++j)
  36     {
  37     if(argsIn[j] != "DOC")
  38       {
  39       argst.push_back(argsIn[j]);
  40       }
  41     else
  42       {
  43       if(j+1 < size)
  44         {
  45         helpString = argsIn[j+1];
  46         }
  47       break;
  48       }
  49     }
  50   std::vector<std::string> args;
  51   cmSystemTools::ExpandListArguments(argst, args);
  52
  53   std::vector<std::string>::const_iterator i = args.begin();
  54   // Use the first argument as the name of something to be defined
  55   const char* define = (*i).c_str();
  56   i++; // move iterator to next arg
  57   // Now check and see if the value has been stored in the cache
  58   // already, if so use that value and don't look for the program
  59   const char* cacheValue
  60     = m_Makefile->GetDefinition(define);
  61   if(cacheValue && strcmp(cacheValue, "NOTFOUND"))
  62     {
  63     return true;
  64     }
  65   // if it is not in the cache, then search the system path
  66   std::vector<std::string> path;
  67
  68   // add any user specified paths
  69   for (unsigned int j = 2; j < args.size(); j++)
  70     {
  71     // Glob the entry in case of wildcards.
  72     cmSystemTools::GlobDirs(args[j].c_str(), path);
  73     }
  74
  75   // add the standard path
  76   cmSystemTools::GetPath(path);
  77   for(unsigned int k=0; k < path.size(); k++)
  78     {
  79     std::string tryPath = path[k];
  80     tryPath += "/";
  81     tryPath += *i;
  82     if(cmSystemTools::FileExists(tryPath.c_str()))
  83       {
  84       // Save the value in the cache
  85       m_Makefile->AddCacheDefinition(define,
  86                                      tryPath.c_str(),
  87                                      helpString.c_str(),
  88                                      cmCacheManager::FILEPATH);
  89       return true;
  90       }
  91     }
  92   m_Makefile->AddCacheDefinition(args[0].c_str(),
  93                                  "NOTFOUND",
  94                                  helpString.c_str(),
  95                                  cmCacheManager::FILEPATH);
  96   return true;
  97 }
  98