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#ifndef Fireworks_Core_FWItemValueGetter_h
#define Fireworks_Core_FWItemValueGetter_h
// -*- C++ -*-
//
// Package: Core
// Class : FWItemValueGetter
//
/**\class FWItemValueGetter FWItemValueGetter.h Fireworks/Core/interface/FWItemValueGetter.h
Description: Retrieves a particular value from an item
Usage:
<usage>
*/
//
// Original Author: Chris Jones
// Created: Sun Nov 30 16:14:58 EST 2008
//
#include <string>
#include <vector>
#include "Rtypes.h"
#include "FWCore/Reflection/interface/TypeWithDict.h"
#include "CommonTools/Utils/interface/parser/ExpressionPtr.h"
#include "CommonTools/Utils/interface/parser/ExpressionBase.h"
class FWItemValueGetter {
public:
FWItemValueGetter(const edm::TypeWithDict&, const std::string& iPurpose);
double valueFor(const void*, int idx) const;
UInt_t precision(int idx) const;
std::vector<std::string> getTitles() const;
int numValues() const;
const std::string& getToolTip(const void* iObject) const;
private:
struct Entry {
reco::parser::ExpressionPtr m_expr;
std::string m_expression;
std::string m_unit;
std::string m_title;
UInt_t m_precision;
Entry(reco::parser::ExpressionPtr iExpr, std::string iExpression, std::string iUnit, std::string iTitle, int iPrec)
: m_expr(iExpr), m_expression(iExpression), m_unit(iUnit), m_title(iTitle), m_precision(iPrec) {}
};
bool addEntry(std::string iExpression, int iPrec = 2, std::string iTitle = "", std::string iUnit = "");
typedef std::vector<Entry> Entries_t;
Entries_t::const_iterator Entries_i;
Entries_t m_entries;
edm::TypeWithDict m_type;
int m_titleWidth;
};
#endif
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