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Copy pathArray.lua
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148 lines (121 loc) · 3.33 KB
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--[[
Copyright 2017 YANG Huan ([email protected]).
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
--]]
local System = System
local Collection = System.Collection
local buildArray = Collection.buildArray
local getArray = Collection.getArray
local setArray = Collection.setArray
local checkIndex = Collection.checkIndex
local arrayEnumerator = Collection.arrayEnumerator
local select = select
local Array = {}
local emptys = {}
function Array.__ctor__(this, ...)
local len = select("#", ...)
buildArray(this, len, ...)
end
function Array.new(cls, len)
local this = setmetatable({}, cls)
buildArray(this, len)
return this
end
Array.set = setArray
Array.get = getArray
Array.GetEnumerator = arrayEnumerator
function Array.getLength(this)
return #this
end
function Array.getCount(this)
return #this
end
function Array.getRank(this)
return 1
end
function Array.Empty(T)
local t = emptys[T]
if t == nil then
t = Array(T)()
emptys[T] = t
end
return t
end
Array.Exists = Collection.existsOfArray
Array.Find = Collection.findOfArray
local findAll = Collection.findAllOfArray
function Array.FindAll(t, match)
return findAll(t, match):toArray()
end
Array.FindIndex = Collection.findIndexOfArray
Array.FindLast = Collection.findLastOfArray
Array.FindLastIndex = Collection.findLastIndexOfArray
Array.IndexOf = Collection.indexOfArray
Array.LastIndexOf = Collection.lastIndexOfArray
Array.Reverse = Collection.reverseArray
Array.Sort = Collection.sortArray
Array.TrueForAll = Collection.trueForAllOfArray
Array.Copy = Collection.copyArray
System.define("System.Array", function(T)
local cls = {
__inherits__ = { System.IList_1(T), System.IList },
__genericT__ = T
}
return cls
end, Array)
function System.arrayFromTable(t, T)
return setmetatable(t, Array(T))
end
local MultiArray = {}
function MultiArray.__ctor__(this, rank, ...)
this.__rank__ = rank
local length = 1
for _, i in ipairs(rank) do
length = length * i
end
buildArray(this, length, ...)
end
local function getIndex(this, ...)
local rank = this.__rank__
local id = 0
local len = #rank
for i = 1, len do
id = id * rank[i] + select(i, ...)
end
return id, len
end
function MultiArray.set(this, ...)
local index, len = getIndex(this, ...)
setArray(this, index, select(len + 1, ...))
end
function MultiArray.get(this, ...)
local index = getIndex(this, ...)
return getArray(this, index)
end
function MultiArray.getLength(this, dimension)
if dimension == nil then
return #this
end
local rank = this.__rank__
checkIndex(rank, dimension)
return this.__rank__[dimension + 1]
end
function MultiArray.getRank(this)
return #this.__rank__
end
MultiArray.GetEnumerator = arrayEnumerator
System.define("System.MultiArray", function(T)
local cls = {
__inherits__ = { System.IList_1(T), System.IList },
__genericT__ = T
}
return cls
end, MultiArray)