Source/cmSiteNameCommand.cxx

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmSiteNameCommand.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2008-01-23 15:27:59 $
   7   Version:   $Revision: 1.24 $
   8
   9   Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  10   See Copyright.txt or http://www.cmake.org/HTML/Copyright.html 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 "cmSiteNameCommand.h"
  18
  19 #include <cmsys/RegularExpression.hxx>
  20
  21 // cmSiteNameCommand
  22 bool cmSiteNameCommand
  23 ::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
  24 {
  25   if(args.size() != 1 )
  26     {
  27     this->SetError("called with incorrect number of arguments");
  28     return false;
  29     }
  30   std::vector<std::string> paths;
  31   paths.push_back("/usr/bsd");
  32   paths.push_back("/usr/sbin");
  33   paths.push_back("/usr/bin");
  34   paths.push_back("/bin");
  35   paths.push_back("/sbin");
  36   paths.push_back("/usr/local/bin");
  37
  38   const char* cacheValue
  39     = this->Makefile->GetDefinition(args[0].c_str());
  40   if(cacheValue)
  41     {
  42     return true;
  43     }
  44
  45   const char *temp = this->Makefile->GetDefinition("HOSTNAME");
  46   std::string hostname_cmd;
  47   if(temp)
  48     {
  49     hostname_cmd = temp;
  50     }
  51   else
  52     {
  53     hostname_cmd = cmSystemTools::FindProgram("hostname", paths);
  54     }
  55
  56   std::string siteName = "unknown";
  57 #if defined(_WIN32) && !defined(__CYGWIN__)
  58   std::string host;
  59   if(cmSystemTools::ReadRegistryValue
  60      ("HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\"
  61       "Control\\ComputerName\\ComputerName;ComputerName", host))
  62     {
  63     siteName = host;
  64     }
  65 #else
  66   // try to find the hostname for this computer
  67   if (!cmSystemTools::IsOff(hostname_cmd.c_str()))
  68     {
  69     std::string host;
  70     cmSystemTools::RunSingleCommand(hostname_cmd.c_str(),
  71       &host, 0, 0, false);
  72
  73     // got the hostname
  74     if (host.length())
  75       {
  76       // remove any white space from the host name
  77       std::string hostRegExp = "[ \t\n\r]*([^\t\n\r ]*)[ \t\n\r]*";
  78       cmsys::RegularExpression hostReg (hostRegExp.c_str());
  79       if (hostReg.find(host.c_str()))
  80         {
  81         // strip whitespace
  82         host = hostReg.match(1);
  83         }
  84
  85       if(host.length())
  86         {
  87         siteName = host;
  88         }
  89       }
  90     }
  91 #endif
  92   this->Makefile->
  93     AddCacheDefinition(args[0].c_str(),
  94                        siteName.c_str(),
  95                        "Name of the computer/site where compile is being run",
  96                        cmCacheManager::STRING);
  97
  98   return true;
  99 }
 100