CMake/Source/cmakewizard.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
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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.
============================================================================*/
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#include "cmakewizard.h"
#include "cmake.h"
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#include "cmCacheManager.h"
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cmakewizard::cmakewizard()
{
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this->ShowAdvanced = false;
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}
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void cmakewizard::AskUser(const char* key,
cmCacheManager::CacheIterator& iter)
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{
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printf("Variable Name: %s\n", key);
const char* helpstring = iter.GetProperty("HELPSTRING");
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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];
buffer[0] = 0;
fgets(buffer, sizeof(buffer)-1, stdin);
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if(strlen(buffer) > 0)
{
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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 )
{
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value = sbuffer.substr(0, pos+1);
}
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if ( value.size() > 0 )
{
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if(iter.GetType() == cmCacheManager::PATH ||
iter.GetType() == cmCacheManager::FILEPATH)
{
cmSystemTools::ConvertToUnixSlashes(value);
}
if(iter.GetType() == cmCacheManager::BOOL)
{
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if(!cmSystemTools::IsOn(value.c_str()))
{
value = "OFF";
}
}
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iter.SetValue(value.c_str());
}
}
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printf("\n");
}
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bool cmakewizard::AskAdvanced()
{
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printf("Would you like to see advanced options? [No]:");
char buffer[4096];
buffer[0] = 0;
fgets(buffer, sizeof(buffer)-1, stdin);
if(buffer[0])
{
if(buffer[0] == 'y' || buffer[0] == 'Y')
{
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return true;
}
}
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return false;
}
void cmakewizard::ShowMessage(const char* m)
{
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printf("%s\n", m);
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}
int cmakewizard::RunWizard(std::vector<std::string> const& args)
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{
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this->ShowAdvanced = this->AskAdvanced();
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cmSystemTools::DisableRunCommandOutput();
cmake make;
make.SetArgs(args);
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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
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this->ShowMessage(
"Please wait while cmake processes CMakeLists.txt files....\n");
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make.Configure();
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this->ShowMessage("\n");
// load the cache from disk
cmCacheManager *cachem = make.GetCacheManager();
cachem->LoadCache(make.GetHomeOutputDirectory());
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cmCacheManager::CacheIterator i = cachem->NewIterator();
// iterate over all entries in the cache
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for(;!i.IsAtEnd(); i.Next())
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{
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std::string key = i.GetName();
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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())
{
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if(this->ShowAdvanced || !i.GetPropertyAsBool("ADVANCED"))
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{
this->AskUser(key.c_str(), i);
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asked = true;
}
}
}
else
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{
if(this->ShowAdvanced || !i.GetPropertyAsBool("ADVANCED"))
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{
this->AskUser(key.c_str(), i);
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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;
}