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#ifndef VARIABLES_H
#define VARIABLES_H
#include <boost/intrusive_ptr.hpp>
#include <boost/optional.hpp>
#include <stdint.h>
#include <glibmm/ustring.h>
#include <libxml++/nodes/element.h>
#include <libxml++/attribute.h>
#include "intrusivePtrBase.h"
#include <boost/variant.hpp>
#include <boost/shared_ptr.hpp>
class RowUser;
typedef boost::variant<
// Strings
Glib::ustring,
boost::shared_ptr<const Glib::ustring>,
// Numbers
long long unsigned int,
long unsigned int,
unsigned int,
short unsigned int,
long long int,
long int,
int,
short int,
double,
float
// DateTimes (todo)
> VariableType;
class VariableImpl : public virtual IntrusivePtrBase {
public:
virtual const VariableType & value() const = 0;
protected:
VariableImpl(const Glib::ustring & src);
virtual ~VariableImpl() = 0;
const Glib::ustring source;
Glib::ustring name;
boost::optional<VariableType> defaultValue;
};
class Variable {
public:
typedef boost::intrusive_ptr<VariableImpl> VariableImplPtr;
Variable(const xmlpp::Attribute *);
Variable(const xmlpp::Element *);
Variable(const Glib::ustring & s);
static Variable makeParent(const Glib::ustring & name, unsigned int depth);
operator const VariableType & () const { return var->value(); }
const VariableType & operator()() const { return var->value(); }
private:
Variable(VariableImpl *);
friend class VariableParse;
static VariableImplPtr create(const Glib::ustring & s, RowUser * dep = NULL);
VariableImplPtr var;
};
#endif
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