Cache for resources such as audio, fonts, etc. More...

#include <Cache.hpp>

Collaboration diagram for galaxy::Cache< Resource, SpecLoader >:

Public Member Functions
	Cache () noexcept
	Constructor.

	~Cache ()
	Destructor.

void	load_file (const std::string &file)
	Load a resource.

template<typename... Args> requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>
void	load_resource (const std::string &key, Args &&... args)
	Loads a resource with custom args.

void	load_folder (const std::string &dir)
	Load all resources in a folder.

void	insert (const std::string &key, std::shared_ptr< Resource > resource) noexcept
	Insert a resource directly into the cache.

std::shared_ptr< Resource >	get (const std::string &key) noexcept
	Get a resource.

bool	has (const std::string &key) noexcept
	Check if a resource exists.

void	clear ()
	Destroy all data in cache.

bool	empty () const noexcept
	Does the cache have any resources.

std::size_t	size () const noexcept
	Get amount of resources cached.

const Map &	cache () const noexcept
	Get entire resource cache.

Private Types
using	Map = ankerl::unordered_dense::map<std::uint64_t, std::shared_ptr<Resource>>
	Use a dense map for storage.

Private Member Functions
	Cache (const Cache &)=delete
	Copy constructor.

	Cache (Cache &&)=delete
	Move constructor.

Cache &	operator= (const Cache &)=delete
	Copy assignment operator.

Cache &	operator= (Cache &&)=delete
	Move assignment operator.

Private Attributes
SpecLoader	m_loader
	Flexible Loader used to create/load a Resource into the cache.

Map	m_cache
	Resource storage map.

Detailed Description

template<typename Resource, typename SpecLoader>
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>
class galaxy::Cache< Resource, SpecLoader >

Cache for resources such as audio, fonts, etc.

Template Parameters

Resource	A resource is a class containing data, and cannot be a ref or ptr.
SpecLoader	A template specialization of a Loader, to load the Resource.

Definition at line 29 of file Cache.hpp.

Member Typedef Documentation

◆ Map

template<typename Resource , typename SpecLoader >

using galaxy::Cache< Resource, SpecLoader >::Map = ankerl::unordered_dense::map<std::uint64_t, std::shared_ptr<Resource>>

private

Use a dense map for storage.

Definition at line 34 of file Cache.hpp.

Constructor & Destructor Documentation

◆ Cache() [1/3]

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

galaxy::Cache< Resource, SpecLoader >::Cache ( )

inlinenoexcept

Constructor.

Definition at line 168 of file Cache.hpp.

◆ ~Cache()

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

galaxy::Cache< Resource, SpecLoader >::~Cache ( )

inline

Destructor.

Definition at line 174 of file Cache.hpp.

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◆ Cache() [2/3]

template<typename Resource , typename SpecLoader >

galaxy::Cache< Resource, SpecLoader >::Cache ( const Cache< Resource, SpecLoader > & )

privatedelete

Copy constructor.

◆ Cache() [3/3]

template<typename Resource , typename SpecLoader >

galaxy::Cache< Resource, SpecLoader >::Cache ( Cache< Resource, SpecLoader > && )

privatedelete

Move constructor.

Member Function Documentation

◆ load_file()

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

void galaxy::Cache< Resource, SpecLoader >::load_file ( const std::string & file )

inline

Load a resource.

Key becomes filename. This expects the resource to have a compatible string constructor.

Parameters

file	File to load in VFS.

Definition at line 181 of file Cache.hpp.

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◆ load_resource()

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

template<typename... Args>
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

void galaxy::Cache< Resource, SpecLoader >::load_resource	(	const std::string &	key,
		Args &&...	args )

inline

Loads a resource with custom args.

Template Parameters

Args	Argument types.

Parameters

key	Access key / resource name.
args	Forward constructor args.

Definition at line 197 of file Cache.hpp.

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◆ load_folder()

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

void galaxy::Cache< Resource, SpecLoader >::load_folder ( const std::string & dir )

inline

Load all resources in a folder.

Key becomes filename. This expects the resource to have a compatible string constructor.

Parameters

dir	The directory in the vfs to load from.

Definition at line 212 of file Cache.hpp.

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◆ insert()

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

void galaxy::Cache< Resource, SpecLoader >::insert	(	const std::string &	key,
		std::shared_ptr< Resource >	resource )

inlinenoexcept

Insert a resource directly into the cache.

Parameters

key	Access key / resource name.
resource	Shared pointer to resource.

Definition at line 223 of file Cache.hpp.

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◆ get()

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

std::shared_ptr< Resource > galaxy::Cache< Resource, SpecLoader >::get ( const std::string & key )

inlinenodiscardnoexcept

Get a resource.

Parameters

key	Name/id of resource.

Returns: Returns a shared pointer to the resource.

Definition at line 238 of file Cache.hpp.

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◆ has()

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

bool galaxy::Cache< Resource, SpecLoader >::has ( const std::string & key )

inlinenodiscardnoexcept

Check if a resource exists.

Parameters

key	Name/id of resource.

Returns: True if resource was found.

Definition at line 251 of file Cache.hpp.

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◆ clear()

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

void galaxy::Cache< Resource, SpecLoader >::clear ( )

inline

Destroy all data in cache.

Definition at line 259 of file Cache.hpp.

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◆ empty()

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

bool galaxy::Cache< Resource, SpecLoader >::empty ( ) const

inlinenodiscardnoexcept

Does the cache have any resources.

Returns: True if empty, false otherwise.

Definition at line 266 of file Cache.hpp.

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◆ size()

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

std::size_t galaxy::Cache< Resource, SpecLoader >::size ( ) const

inlinenodiscardnoexcept

Get amount of resources cached.

Definition at line 273 of file Cache.hpp.

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◆ cache()

template<typename Resource , typename SpecLoader >
requires meta::not_memory<Resource> && meta::is_class<Resource> && meta::is_instance_of_v<SpecLoader, Loader>

const Cache< Resource, SpecLoader >::Map & galaxy::Cache< Resource, SpecLoader >::cache ( ) const

inlinenodiscardnoexcept

Get entire resource cache.

Returns: Const reference to the resource cache.

Definition at line 280 of file Cache.hpp.

◆ operator=() [1/2]

template<typename Resource , typename SpecLoader >

Cache & galaxy::Cache< Resource, SpecLoader >::operator= ( const Cache< Resource, SpecLoader > & )

privatedelete

Copy assignment operator.

◆ operator=() [2/2]

template<typename Resource , typename SpecLoader >

Cache & galaxy::Cache< Resource, SpecLoader >::operator= ( Cache< Resource, SpecLoader > && )

privatedelete

Move assignment operator.

Member Data Documentation

◆ m_loader

template<typename Resource , typename SpecLoader >

SpecLoader galaxy::Cache< Resource, SpecLoader >::m_loader

private

Flexible Loader used to create/load a Resource into the cache.

Definition at line 158 of file Cache.hpp.

◆ m_cache

template<typename Resource , typename SpecLoader >

Map galaxy::Cache< Resource, SpecLoader >::m_cache

private

Resource storage map.

Definition at line 163 of file Cache.hpp.

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

galaxy/src/galaxy/resource/Cache.hpp

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ Map

Constructor & Destructor Documentation

◆ Cache() [1/3]

◆ ~Cache()

◆ Cache() [2/3]

◆ Cache() [3/3]

Member Function Documentation

◆ load_file()

◆ load_resource()

◆ load_folder()

◆ insert()

◆ get()

◆ has()

◆ clear()

◆ empty()

◆ size()

◆ cache()

◆ operator=() [1/2]

◆ operator=() [2/2]

Member Data Documentation

◆ m_loader

◆ m_cache