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class.lua
fbe15d5301a9celluloVR

class.lua
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			local middleclass = {
			_VERSION = 'middleclass v4.1.1',
			_DESCRIPTION = 'Object Orientation for Lua',
			_URL = 'https://github.com/kikito/middleclass',
			_LICENSE = [[
			MIT LICENSE

			Copyright (c) 2011 Enrique García Cota

			Permission is hereby granted, free of charge, to any person obtaining a
			copy of this software and associated documentation files (the
			"Software"), to deal in the Software without restriction, including
			without limitation the rights to use, copy, modify, merge, publish,
			distribute, sublicense, and/or sell copies of the Software, and to
			permit persons to whom the Software is furnished to do so, subject to
			the following conditions:

			The above copyright notice and this permission notice shall be included
			in all copies or substantial portions of the Software.

			THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
			OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
			MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
			IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
			CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
			TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
			SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
			]]
			}

			local function _createIndexWrapper(aClass, f)
			if f == nil then
			return aClass.__instanceDict
			else
			return function(self, name)
			local value = aClass.__instanceDict[name]

			if value ~= nil then
			return value
			elseif type(f) == "function" then
			return (f(self, name))
			else
			return f[name]
			end
			end
			end
			end

			local function _propagateInstanceMethod(aClass, name, f)
			f = name == "__index" and _createIndexWrapper(aClass, f) or f
			aClass.__instanceDict[name] = f

			for subclass in pairs(aClass.subclasses) do
			if rawget(subclass.__declaredMethods, name) == nil then
			_propagateInstanceMethod(subclass, name, f)
			end
			end
			end

			local function _declareInstanceMethod(aClass, name, f)
			aClass.__declaredMethods[name] = f

			if f == nil and aClass.super then
			f = aClass.super.__instanceDict[name]
			end

			_propagateInstanceMethod(aClass, name, f)
			end

			local function _tostring(self) return "class " .. self.name end
			local function _call(self, ...) return self:new(...) end

			local function _createClass(name, super)
			local dict = {}
			dict.__index = dict

			local aClass = { name = name, super = super, static = {},
			__instanceDict = dict, __declaredMethods = {},
			subclasses = setmetatable({}, {__mode='k'}) }

			if super then
			setmetatable(aClass.static, {
			__index = function(_,k)
			local result = rawget(dict,k)
			if result == nil then
			return super.static[k]
			end
			return result
			end
			})
			else
			setmetatable(aClass.static, { __index = function(_,k) return rawget(dict,k) end })
			end

			setmetatable(aClass, { __index = aClass.static, __tostring = _tostring,
			__call = _call, __newindex = _declareInstanceMethod })

			return aClass
			end

			local function _includeMixin(aClass, mixin)
			assert(type(mixin) == 'table', "mixin must be a table")

			for name,method in pairs(mixin) do
			if name ~= "included" and name ~= "static" then aClass[name] = method end
			end

			for name,method in pairs(mixin.static or {}) do
			aClass.static[name] = method
			end

			if type(mixin.included)=="function" then mixin:included(aClass) end
			return aClass
			end

			local DefaultMixin = {
			__tostring = function(self) return "instance of " .. tostring(self.class) end,

			initialize = function(self, ...) end,

			isInstanceOf = function(self, aClass)
			return type(aClass) == 'table'
			and type(self) == 'table'
			and (self.class == aClass
			or type(self.class) == 'table'
			and type(self.class.isSubclassOf) == 'function'
			and self.class:isSubclassOf(aClass))
			end,

			static = {
			allocate = function(self)
			assert(type(self) == 'table', "Make sure that you are using 'Class:allocate' instead of 'Class.allocate'")
			return setmetatable({ class = self }, self.__instanceDict)
			end,

			new = function(self, ...)
			assert(type(self) == 'table', "Make sure that you are using 'Class:new' instead of 'Class.new'")
			local instance = self:allocate()
			instance:initialize(...)
			return instance
			end,

			subclass = function(self, name)
			assert(type(self) == 'table', "Make sure that you are using 'Class:subclass' instead of 'Class.subclass'")
			assert(type(name) == "string", "You must provide a name(string) for your class")

			local subclass = _createClass(name, self)

			for methodName, f in pairs(self.__instanceDict) do
			_propagateInstanceMethod(subclass, methodName, f)
			end
			subclass.initialize = function(instance, ...) return self.initialize(instance, ...) end

			self.subclasses[subclass] = true
			self:subclassed(subclass)

			return subclass
			end,

			subclassed = function(self, other) end,

			isSubclassOf = function(self, other)
			return type(other) == 'table' and
			type(self.super) == 'table' and
			( self.super == other or self.super:isSubclassOf(other) )
			end,

			include = function(self, ...)
			assert(type(self) == 'table', "Make sure you that you are using 'Class:include' instead of 'Class.include'")
			for _,mixin in ipairs({...}) do _includeMixin(self, mixin) end
			return self
			end
			}
			}

			function middleclass.class(name, super)
			assert(type(name) == 'string', "A name (string) is needed for the new class")
			return super and super:subclass(name) or _includeMixin(_createClass(name), DefaultMixin)
			end

			setmetatable(middleclass, { __call = function(_, ...) return middleclass.class(...) end })

			return middleclass

cellulo-lovr/lib/class.luafbe15d5301a9celluloVR

class.luaView Options

cellulo-lovr/lib/class.lua
fbe15d5301a9celluloVR

class.lua
View Options