Source/cmakewizard.cxx

   1 /*=========================================================================
   2
   3   Program:   Insight Segmentation & Registration Toolkit
   4   Module:    $RCSfile: cmakewizard.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2002-09-18 12:13:53 $
   7   Version:   $Revision: 1.15 $
   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 "cmakewizard.h"
  18 #include "cmake.h"
  19 #include "cmCacheManager.h"
  20
  21
  22 // On Mac OSX getline looks like it is broken, so we have to use
  23 // fgets. This is why we are including stdio.h.
  24 #include <stdio.h>
  25
  26 cmakewizard::cmakewizard()
  27 {
  28   m_ShowAdvanced = false;
  29 }
  30
  31
  32 void cmakewizard::AskUser(const char* key, cmCacheManager::CacheIterator& iter)
  33 {
  34   std::cout << "Variable Name: " << key << "\n";
  35   const char* helpstring = iter.GetProperty("HELPSTRING");
  36   std::cout << "Description:   " << (helpstring?helpstring:"(none)") << "\n";
  37   std::cout << "Current Value: " << iter.GetValue() << "\n";
  38   std::cout << "New Value (Enter to keep current value): ";
  39   char buffer[4096];
  40   buffer[0] = 0;
  41   fgets(buffer, sizeof(buffer)-1, stdin);
  42
  43   if(strlen(buffer) > 0)
  44     {
  45     std::string sbuffer = buffer;
  46     std::string::size_type pos = sbuffer.find_last_not_of(" \n\r\t");
  47     std::string value = "";
  48     if ( pos != std::string::npos )
  49       {
  50       value = sbuffer.substr(0, pos+1);
  51       }
  52
  53     if ( value.size() > 0 )
  54       {
  55       if(iter.GetType() == cmCacheManager::PATH ||
  56          iter.GetType() == cmCacheManager::FILEPATH)
  57         {
  58         cmSystemTools::ConvertToUnixSlashes(value);
  59         }
  60       if(iter.GetType() == cmCacheManager::BOOL)
  61         {
  62         if(!cmSystemTools::IsOn(value.c_str()))
  63           {
  64           value = "OFF";
  65           }
  66         }
  67       iter.SetValue(value.c_str());
  68       }
  69     }
  70   std::cout << "\n";
  71 }
  72
  73 bool cmakewizard::AskAdvanced()
  74 {
  75   std::cout << "Would you like to see advanced options? [No]:";
  76   char buffer[4096];
  77   buffer[0] = 0;
  78   fgets(buffer, sizeof(buffer)-1, stdin);
  79   if(buffer[0])
  80     {
  81     if(buffer[0] == 'y' || buffer[0] == 'Y')
  82       {
  83       return true;
  84       }
  85     }
  86   return false;
  87 }
  88
  89
  90 void cmakewizard::ShowMessage(const char* m)
  91 {
  92   std::cout << m << "\n";
  93 }
  94
  95
  96
  97 void cmakewizard::RunWizard(std::vector<std::string> const& args)
  98 {
  99   m_ShowAdvanced = this->AskAdvanced();
 100   cmSystemTools::DisableRunCommandOutput();
 101   cmake make;
 102   make.SetArgs(args);
 103   make.SetCMakeCommand(args[0].c_str());
 104   make.LoadCache();
 105   make.SetCacheArgs(args);
 106   std::map<std::string,std::string> askedCache;
 107   bool asked = false;
 108   // continue asking questions until no new questions are asked
 109   do
 110     {
 111     asked = false;
 112     // run cmake
 113     this->ShowMessage("Please wait while cmake processes CMakeLists.txt files....\n");
 114
 115     make.Configure();
 116     this->ShowMessage("\n");
 117     // load the cache from disk
 118     cmCacheManager *cachem = make.GetCacheManager();
 119     cachem->
 120       LoadCache(cmSystemTools::GetCurrentWorkingDirectory().c_str());
 121     cmCacheManager::CacheIterator i = cachem->NewIterator();
 122     // iterate over all entries in the cache
 123     for(;!i.IsAtEnd(); i.Next())
 124       {
 125       std::string key = i.GetName();
 126       if( i.GetType() == cmCacheManager::INTERNAL ||
 127           i.GetType() == cmCacheManager::STATIC ||
 128           i.GetType() == cmCacheManager::UNINITIALIZED )
 129         {
 130         continue;
 131         }
 132       if(askedCache.count(key))
 133         {
 134         std::string& e = askedCache.find(key)->second;
 135         if(e != i.GetValue())
 136           {
 137           if(m_ShowAdvanced || !i.GetPropertyAsBool("ADVANCED"))
 138             {
 139             this->AskUser(key.c_str(), i);
 140             asked = true;
 141             }
 142           }
 143         }
 144       else
 145         {
 146         if(m_ShowAdvanced || !i.GetPropertyAsBool("ADVANCED"))
 147           {
 148           this->AskUser(key.c_str(), i);
 149           asked = true;
 150           }
 151         }
 152       askedCache[key] = i.GetValue();
 153       }
 154     cachem->SaveCache(cmSystemTools::GetCurrentWorkingDirectory().c_str());
 155     }
 156   while(asked);
 157   make.Generate();
 158   this->ShowMessage("CMake complete, run make to build project.\n");
 159 }