CMake/Source/cmakewizard.cxx

159 lines
4.1 KiB
C++

/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmakewizard.h"
#include "cmake.h"
#include "cmCacheManager.h"
cmakewizard::cmakewizard()
{
this->ShowAdvanced = false;
}
void cmakewizard::AskUser(const char* key,
cmCacheManager::CacheIterator& iter)
{
printf("Variable Name: %s\n", key);
const char* helpstring = iter.GetProperty("HELPSTRING");
printf("Description: %s\n", (helpstring?helpstring:"(none)"));
printf("Current Value: %s\n", iter.GetValue());
printf("New Value (Enter to keep current value): ");
char buffer[4096];
if(!fgets(buffer, sizeof(buffer)-1, stdin))
{
buffer[0] = 0;
}
if(strlen(buffer) > 0)
{
std::string sbuffer = buffer;
std::string::size_type pos = sbuffer.find_last_not_of(" \n\r\t");
std::string value = "";
if ( pos != std::string::npos )
{
value = sbuffer.substr(0, pos+1);
}
if ( value.size() > 0 )
{
if(iter.GetType() == cmCacheManager::PATH ||
iter.GetType() == cmCacheManager::FILEPATH)
{
cmSystemTools::ConvertToUnixSlashes(value);
}
if(iter.GetType() == cmCacheManager::BOOL)
{
if(!cmSystemTools::IsOn(value.c_str()))
{
value = "OFF";
}
}
iter.SetValue(value.c_str());
}
}
printf("\n");
}
bool cmakewizard::AskAdvanced()
{
printf("Would you like to see advanced options? [No]:");
char buffer[4096];
if(!fgets(buffer, sizeof(buffer)-1, stdin))
{
buffer[0] = 0;
}
if(buffer[0])
{
if(buffer[0] == 'y' || buffer[0] == 'Y')
{
return true;
}
}
return false;
}
void cmakewizard::ShowMessage(const char* m)
{
printf("%s\n", m);
}
int cmakewizard::RunWizard(std::vector<std::string> const& args)
{
this->ShowAdvanced = this->AskAdvanced();
cmSystemTools::DisableRunCommandOutput();
cmake make;
make.SetArgs(args);
make.SetCMakeCommand(args[0].c_str());
make.LoadCache();
make.SetCacheArgs(args);
std::map<cmStdString, cmStdString> askedCache;
bool asked = false;
// continue asking questions until no new questions are asked
do
{
asked = false;
// run cmake
this->ShowMessage(
"Please wait while cmake processes CMakeLists.txt files....\n");
make.Configure();
this->ShowMessage("\n");
// load the cache from disk
cmCacheManager *cachem = make.GetCacheManager();
cachem->LoadCache(make.GetHomeOutputDirectory());
cmCacheManager::CacheIterator i = cachem->NewIterator();
// iterate over all entries in the cache
for(;!i.IsAtEnd(); i.Next())
{
std::string key = i.GetName();
if( i.GetType() == cmCacheManager::INTERNAL ||
i.GetType() == cmCacheManager::STATIC ||
i.GetType() == cmCacheManager::UNINITIALIZED )
{
continue;
}
if(askedCache.count(key))
{
std::string& e = askedCache.find(key)->second;
if(e != i.GetValue())
{
if(this->ShowAdvanced || !i.GetPropertyAsBool("ADVANCED"))
{
this->AskUser(key.c_str(), i);
asked = true;
}
}
}
else
{
if(this->ShowAdvanced || !i.GetPropertyAsBool("ADVANCED"))
{
this->AskUser(key.c_str(), i);
asked = true;
}
}
askedCache[key] = i.GetValue();
}
cachem->SaveCache(make.GetHomeOutputDirectory());
}
while(asked);
if(make.Generate() == 0)
{
this->ShowMessage("CMake complete, run make to build project.\n");
return 0;
}
return 1;
}