Source/cmakewizard.cxx

   1 /*=========================================================================
   2
   3   Program:   CMake - Cross-Platform Makefile Generator
   4   Module:    $RCSfile: cmakewizard.cxx,v $
   5   Language:  C++
   6   Date:      $Date: 2006-03-15 16:02:07 $
   7   Version:   $Revision: 1.23 $
   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 "cmakewizard.h"
  18 #include "cmake.h"
  19 #include "cmCacheManager.h"
  20
  21 cmakewizard::cmakewizard()
  22 {
  23   this->ShowAdvanced = false;
  24 }
  25
  26
  27 void cmakewizard::AskUser(const char* key,
  28   cmCacheManager::CacheIterator& iter)
  29 {
  30   printf("Variable Name: %s\n", key);
  31   const char* helpstring = iter.GetProperty("HELPSTRING");
  32   printf("Description: %s\n", (helpstring?helpstring:"(none)"));
  33   printf("Current Value: %s\n", iter.GetValue());
  34   printf("New Value (Enter to keep current value): ");
  35   char buffer[4096];
  36   buffer[0] = 0;
  37   fgets(buffer, sizeof(buffer)-1, stdin);
  38
  39   if(strlen(buffer) > 0)
  40     {
  41     std::string sbuffer = buffer;
  42     std::string::size_type pos = sbuffer.find_last_not_of(" \n\r\t");
  43     std::string value = "";
  44     if ( pos != std::string::npos )
  45       {
  46       value = sbuffer.substr(0, pos+1);
  47       }
  48
  49     if ( value.size() > 0 )
  50       {
  51       if(iter.GetType() == cmCacheManager::PATH ||
  52          iter.GetType() == cmCacheManager::FILEPATH)
  53         {
  54         cmSystemTools::ConvertToUnixSlashes(value);
  55         }
  56       if(iter.GetType() == cmCacheManager::BOOL)
  57         {
  58         if(!cmSystemTools::IsOn(value.c_str()))
  59           {
  60           value = "OFF";
  61           }
  62         }
  63       iter.SetValue(value.c_str());
  64       }
  65     }
  66   printf("\n");
  67 }
  68
  69 bool cmakewizard::AskAdvanced()
  70 {
  71   printf("Would you like to see advanced options? [No]:");
  72   char buffer[4096];
  73   buffer[0] = 0;
  74   fgets(buffer, sizeof(buffer)-1, stdin);
  75   if(buffer[0])
  76     {
  77     if(buffer[0] == 'y' || buffer[0] == 'Y')
  78       {
  79       return true;
  80       }
  81     }
  82   return false;
  83 }
  84
  85
  86 void cmakewizard::ShowMessage(const char* m)
  87 {
  88   printf("%s\n", m);
  89 }
  90
  91
  92
  93 int cmakewizard::RunWizard(std::vector<std::string> const& args)
  94 {
  95   this->ShowAdvanced = this->AskAdvanced();
  96   cmSystemTools::DisableRunCommandOutput();
  97   cmake make;
  98   make.SetArgs(args);
  99   make.SetCMakeCommand(args[0].c_str());
 100   make.LoadCache();
 101   make.SetCacheArgs(args);
 102   std::map<cmStdString, cmStdString> askedCache;
 103   bool asked = false;
 104   // continue asking questions until no new questions are asked
 105   do
 106     {
 107     asked = false;
 108     // run cmake
 109     this->ShowMessage(
 110       "Please wait while cmake processes CMakeLists.txt files....\n");
 111
 112     make.Configure();
 113     this->ShowMessage("\n");
 114     // load the cache from disk
 115     cmCacheManager *cachem = make.GetCacheManager();
 116     cachem->LoadCache(make.GetHomeOutputDirectory());
 117     cmCacheManager::CacheIterator i = cachem->NewIterator();
 118     // iterate over all entries in the cache
 119     for(;!i.IsAtEnd(); i.Next())
 120       {
 121       std::string key = i.GetName();
 122       if( i.GetType() == cmCacheManager::INTERNAL ||
 123           i.GetType() == cmCacheManager::STATIC ||
 124           i.GetType() == cmCacheManager::UNINITIALIZED )
 125         {
 126         continue;
 127         }
 128       if(askedCache.count(key))
 129         {
 130         std::string& e = askedCache.find(key)->second;
 131         if(e != i.GetValue())
 132           {
 133           if(this->ShowAdvanced || !i.GetPropertyAsBool("ADVANCED"))
 134             {
 135             this->AskUser(key.c_str(), i);
 136             asked = true;
 137             }
 138           }
 139         }
 140       else
 141         {
 142         if(this->ShowAdvanced || !i.GetPropertyAsBool("ADVANCED"))
 143           {
 144           this->AskUser(key.c_str(), i);
 145           asked = true;
 146           }
 147         }
 148       askedCache[key] = i.GetValue();
 149       }
 150     cachem->SaveCache(make.GetHomeOutputDirectory());
 151     }
 152   while(asked);
 153   if(make.Generate() == 0)
 154     {
 155     this->ShowMessage("CMake complete, run make to build project.\n");
 156     return 0;
 157     }
 158   return 1;
 159 }