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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
//osgIntrospection - Copyright (C) 2005 Marco Jez
#ifndef OSGINTROSPECTION_PARAMETERINFO_
#define OSGINTROSPECTION_PARAMETERINFO_
#include <osgIntrospection/Type>
#include <osgIntrospection/Value>
#include <string>
#include <vector>
namespace osgIntrospection
{
/// This class stores information about a function parameter. A parameter
/// is defined by its name, its type, its position within the parameter
/// list, and zero or more attributes. Attributes describe how the
/// parameter behave, for example whether it is an input or an output
/// parameter.
class ParameterInfo
{
public:
enum ParameterAttributes
{
NONE = 0,
IN = 1, // parameter is used to pass data to the function
OUT = 2, // parameter is used to return data from the function
INOUT = IN | OUT
};
/// Direct initialization constructor.
inline ParameterInfo(const std::string& name, const Type& type, int attribs, const Value& defval = Value());
/// Returns the parameter's name.
inline const std::string& getName() const;
/// Returns the parameter's type.
inline const Type& getParameterType() const;
/// Returns the parameter's attributes.
inline int getAttributes() const;
/// Returns the default value.
inline const Value& getDefaultValue() const;
/// Returns whether the parameter has the IN attribute.
inline bool isIn() const { return (attribs_ & IN) != 0; }
/// Returns whether the parameter has the OUT attribute.
inline bool isOut() const { return (attribs_ & OUT) != 0; }
/// Returns whether the parameter has both the IN and the
/// OUT attribute.
inline bool isInOut() const { return isIn() && isOut(); }
private:
ParameterInfo& operator = (const ParameterInfo&) { return *this; }
std::string _name;
const Type& _type;
int attribs_;
Value default_;
};
// INLINE METHODS
inline ParameterInfo::ParameterInfo(const std::string& name, const Type& type, int attribs, const Value& defval)
: _name(name),
_type(type),
attribs_(attribs),
default_(defval)
{
}
inline const std::string& ParameterInfo::getName() const
{
return _name;
}
inline const Type& ParameterInfo::getParameterType() const
{
return _type;
}
inline int ParameterInfo::getAttributes() const
{
return attribs_;
}
inline const Value& ParameterInfo::getDefaultValue() const
{
return default_;
}
}
#endif
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