utils.h

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/* Authors: Robert Haschke, Michael 'v4hn' Goerner
   Desc:    Miscellaneous utilities
*/
 
#pragma once
 
#include <string>
#include <type_traits>
#include <initializer_list>
 
#include <Eigen/Geometry>
 
#include <moveit/macros/class_forward.h>
 
namespace planning_scene {
MOVEIT_CLASS_FORWARD(PlanningScene);
}
 
namespace moveit {
 
namespace core {
MOVEIT_CLASS_FORWARD(LinkModel);
MOVEIT_CLASS_FORWARD(JointModelGroup);
MOVEIT_CLASS_FORWARD(RobotState);
}  // namespace core
 
namespace task_constructor {
MOVEIT_CLASS_FORWARD(Property);
 
namespace utils {
 
template <typename Enum>
class Flags
{
    static_assert((sizeof(Enum) <= sizeof(int)), "Flags uses an int as storage, this enum will overflow!");
 
public:
    using Int = typename std::conditional<std::is_unsigned<Enum>::value, unsigned int, int>::type;
    using enum_type = Enum;
    // compiler-generated copy/move ctor/assignment operators are fine!
 
    // zero flags
    constexpr inline Flags() noexcept : i(Int(0)) {}
    // initialization from single enum
    constexpr inline Flags(Enum f) noexcept : i(Int(f)) {}
    // initialization from initializer_list
    constexpr inline Flags(std::initializer_list<Enum> flags) noexcept
      : i(initializer_list_helper(flags.begin(), flags.end())) {}
 
    const inline Flags& operator&=(int mask) noexcept {
        i &= mask;
        return *this;
    }
    const inline Flags& operator&=(unsigned int mask) noexcept {
        i &= mask;
        return *this;
    }
    const inline Flags& operator&=(Enum mask) noexcept {
        i &= Int(mask);
        return *this;
    }
    const inline Flags& operator|=(Flags f) noexcept {
        i |= f.i;
        return *this;
    }
    const inline Flags& operator|=(Enum f) noexcept {
        i |= Int(f);
        return *this;
    }
    const inline Flags& operator^=(Flags f) noexcept {
        i ^= f.i;
        return *this;
    }
    const inline Flags& operator^=(Enum f) noexcept {
        i ^= Int(f);
        return *this;
    }
 
    constexpr inline operator Int() const noexcept { return i; }
 
    constexpr inline Flags operator|(Flags f) const noexcept { return Flags(i | f.i); }
    constexpr inline Flags operator|(Enum f) const noexcept { return Flags(i | Int(f)); }
    constexpr inline Flags operator^(Flags f) const noexcept { return Flags(i ^ f.i); }
    constexpr inline Flags operator^(Enum f) const noexcept { return Flags(i ^ Int(f)); }
    constexpr inline Flags operator&(int mask) const noexcept { return Flags(i & mask); }
    constexpr inline Flags operator&(unsigned int mask) const noexcept { return Flags(i & mask); }
    constexpr inline Flags operator&(Enum f) const noexcept { return Flags(i & Int(f)); }
    constexpr inline Flags operator~() const noexcept { return Flags(~i); }
 
    constexpr inline bool operator!() const noexcept { return !i; }
 
    constexpr inline bool testFlag(Enum f) const noexcept {
        return (i & Int(f)) == Int(f) && (Int(f) != 0 || i == Int(f));
    }
 
private:
    constexpr inline Flags(Int i) : i(i) {}
    constexpr static inline Int
    initializer_list_helper(typename std::initializer_list<Enum>::const_iterator it,
                            typename std::initializer_list<Enum>::const_iterator end) noexcept {
        return (it == end ? Int(0) : (Int(*it) | initializer_list_helper(it + 1, end)));
    }
 
    Int i;
};
 
bool getRobotTipForFrame(const Property& property, const planning_scene::PlanningScene& scene,
                         const moveit::core::JointModelGroup* jmg, std::string& error_msg,
                         const moveit::core::LinkModel*& robot_link, Eigen::Isometry3d& tip_in_global_frame);
}  // namespace utils
}  // namespace task_constructor
}  // namespace moveit