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add a signal/slot mechanism. 2 APIs : one generic version, and one string API (commented)

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This commit is contained in:
winckler
2016-08-09 14:02:43 +02:00
committed by Mohammad Al-Turany
parent 5e5ddd5b7b
commit 9ceab6099c
5 changed files with 415 additions and 27 deletions
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20
fairmq/options/FairProgOptions.h
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@@ -68,6 +68,9 @@ class FairProgOptions
int AddToCmdLineOptions(const po::options_description& optDesc, bool visible = true);
int AddToCfgFileOptions(const po::options_description& optDesc, bool visible = true);
int AddToEnvironmentOptions(const po::options_description& optDesc);
po::options_description& GetCmdLineOptions();
po::options_description& GetCfgFileOptions();
po::options_description& GetEnvironmentOptions();
void UseConfigFile(const std::string& filename = "");
@@ -96,6 +99,23 @@ class FairProgOptions
// convert value to string that corresponds to the key
std::string GetStringValue(const std::string& key);
//restrict conversion to fundamental types
template<typename T>
T ConvertTo(const std::string& str_value)
{
if (std::is_arithmetic<T>::value)
{
std::istringstream iss( str_value );
T val;
iss >> val;
return val;
}
else
{
LOG(ERROR)<<"the provided string "<<str_value << " cannot be converted in the requested type. The target types must be arithmetic types";
}
}
const po::variables_map& GetVarMap() const { return fVarMap; }
// boost prog options parsers