LayerRegistry Class Reference

Registry of named layers (per-NavCel). More...

#include <NavMap.hpp>

Public Member Functions
template<typename T>
std::shared_ptr< LayerView< T > >	add_or_get (const std::string &name, size_t nitems, LayerType type)
	Add a new typed layer or return an existing one with the same name.
std::shared_ptr< LayerViewBase >	get (const std::string &name) const
	Get an existing layer by name (untyped view).
std::vector< std::string >	list () const
	List layer names currently in the registry.
bool	remove (const std::string &name)
	Remove a layer by name.
void	resize_all (size_t nitems)
	Resize all known typed layers to nitems.

Detailed Description

Registry of named layers (per-NavCel).

Provides creation-or-lookup semantics with navmap::LayerRegistry::add_or_get(). All layers in the registry are expected to have a size equal to the number of NavCels in the owning navmap::NavMap.

Member Function Documentation

add_or_get()

template<typename T>

std::shared_ptr< LayerView< T > > add_or_get	(	const std::string &	name,
		size_t	nitems,
		LayerType	type )

Add a new typed layer or return an existing one with the same name.

If a layer with name already exists, it is returned (no resize). Otherwise a new layer is created with nitems elements.

Template Parameters

T	Storage type (e.g., uint8_t, float, double).

Parameters

name	Layer name (unique key).
nitems	Number of NavCels to allocate.
type	Runtime type tag corresponding to T.

Returns

Shared pointer to the typed view.

get()

std::shared_ptr< LayerViewBase > get

(

const std::string &

name

)

const

Get an existing layer by name (untyped view).

Parameters

name	Layer name.

Returns

Pointer to base view, or nullptr if not found.

list()

std::vector< std::string > list

(

)

const

List layer names currently in the registry.

Returns

Vector of names (unordered).

remove()

bool remove

(

const std::string &

name

)

Remove a layer by name.

Returns

true if the layer existed and was removed.

resize_all()

void resize_all

(

size_t

nitems

)

Resize all known typed layers to nitems.

Useful after changing the number of NavCels. Unknown types are ignored.

Parameters

nitems

New number of items (NavCels).

---

The documentation for this class was generated from the following file:

• navmap_core/include/navmap_core/NavMap.hpp