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feat: get a param handle from its name

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Useful for introspection and dynamic parameter management.
This commit is contained in:
Johann Dreo 2019-12-10 11:26:09 +01:00
commit 728bc6e897
1 changed files with 17 additions and 2 deletions
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19
eo/src/utils/eoParser.h
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@ -29,10 +29,10 @@ Authors:
#include <sstream>
#include <string>
#include "eoParam.h"
#include "../eoObject.h"
#include "../eoPersistent.h"
#include "../eoExceptions.h"
#include "eoParam.h"
/** Parameter saving and loading
@ -195,13 +195,28 @@ public:
*/
eoParam * getParam(const std::string& _name) const;
/**
* Get a eoValueParam handle on a param from its long name
* If not found, raise an eoMissingParamException
*/
template<class ValueType>
eoValueParam<ValueType>& getValueParam(const std::string& _name)
{
eoParam* p = getParamWithLongName( _name );
if( p == NULL ) {
throw eoMissingParamException(_name );
} else {
return dynamic_cast< eoValueParam<ValueType>& >(*p);
}
}
/**
* Get the value of a param from its long name
* If not found, raise an eoMissingParamException
*
* Remember to specify the expected return type with a templated call:
* unsigned int popSize = eoparser.value<unsigned int>("popSize");
* unsigned int popSize = eoparser.valueOf<unsigned int>("popSize");
*
* If the template type is not the good one, an eoWrongParamTypeException is raised.
*/