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#ifndef CommonTools_Utils_FunctionSetter_h
#define CommonTools_Utils_FunctionSetter_h
/* \class reco::parser::FunctionSetter
*
* Function setter
*
* \author Luca Lista, INFN
*
* \version $Revision: 1.2 $
*
*/
#include "CommonTools/Utils/interface/parser/Function.h"
#include "CommonTools/Utils/interface/parser/FunctionStack.h"
namespace reco {
namespace parser {
struct FunctionSetter {
FunctionSetter(Function fun, FunctionStack& stack) : fun_(fun), stack_(stack) {}
void operator()(const char*, const char*) const {
#ifdef BOOST_SPIRIT_DEBUG
BOOST_SPIRIT_DEBUG_OUT << "pushing math function: " << functionNames[fun_] << std::endl;
#endif
stack_.push_back(fun_);
}
private:
Function fun_;
FunctionStack& stack_;
};
struct FunctionSetterCommit {
FunctionSetterCommit(FunctionStack& stackFrom, FunctionStack& stackTo) : from_(stackFrom), to_(stackTo) {}
void operator()(const char&) const {
to_.push_back(from_.back());
from_.clear();
}
private:
FunctionStack& from_;
FunctionStack& to_;
};
} // namespace parser
} // namespace reco
#endif
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