bool ConfigManager::init()
{
char * confDir = getenv("CALVR_CONFIG_DIR");
if(confDir)
{
_configDir = confDir;
}
else
{
_configDir = CalVR::instance()->getConfigDir();
}
std::string file;
char * confFile = getenv("CALVR_CONFIG_FILE");
if(confFile)
{
file = confFile;
}
else
{
std::cerr << "Warning: CALVR_CONFIG_FILE not set, using config.xml."
<< std::endl;
file = "config.xml";
}
if(file.empty())
{
std::cerr << "Error: CALVR_CONFIG_FILE is empty." << std::endl;
return false;
}
std::vector<std::string> fileList;
size_t pos = 0;
while((pos = file.find_first_of(':')) != std::string::npos)
{
if(pos)
{
fileList.push_back(file.substr(0,pos));
}
if(pos + 1 < file.size())
{
file = file.substr(pos + 1,file.size() - (pos + 1));
}
else
{
break;
}
}
if(file.size())
{
fileList.push_back(file);
}
if(!fileList.size())
{
std::cerr << "Error: no valid config file in CALVR_CONFIG_FILE"
<< std::endl;
return false;
}
for(int i = 0; i < fileList.size(); i++)
{
size_t pos = fileList[i].find_last_of('.');
if(pos == std::string::npos || pos + 1 == fileList[i].size())
{
std::cerr
<< "ConfigManager: Error: Unable to find extension for file: "
<< fileList[i] << std::endl;
return false;
}
std::string extension = fileList[i].substr(pos + 1,
fileList[i].size() - (pos + 1));
std::transform(extension.begin(),extension.end(),extension.begin(),
::tolower);
ConfigFileReader * cfr = NULL;
if(extension == "xml")
{
cfr = new XMLReader();
}
else
{
std::cerr
<< "ConfigManager: Error: No reader could be identified for file: "
<< fileList[i] << std::endl;
return false;
}
if(cfr)
{
cfr->setDebugOutput(true);
if(cfr->loadFile(fileList[i]))
{
_configFileList.push_back(cfr);
}
else
{
std::cerr << "ConfigManager: Error loading config files."
<< std::endl;
delete cfr;
return false;
}
cfr->setDebugOutput(false);
}
else
{
std::cerr
<< "ConfigManager: Error: ConfigFileReader pointer is NULL. file: "
<< fileList[i] << std::endl;
return false;
}
}
_debugOutput = getBool("ConfigDebug",false);
for(int i = 0; i < _configFileList.size(); i++)
{
_configFileList[i]->setDebugOutput(_debugOutput);
}
return true;
}
