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Copy pathArray.lua
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188 lines (154 loc) · 4.21 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 define = System.define
local throw = System.throw
local Collection = System.Collection
local buildArray = Collection.buildArray
local getArray = Collection.getArray
local setArray = Collection.setArray
local arrayEnumerator = Collection.arrayEnumerator
local findAll = Collection.findAllOfArray
local IndexOutOfRangeException = System.IndexOutOfRangeException
local assert = assert
local select = select
local setmetatable = setmetatable
local type = type
local Array = {}
local emptys = {}
Array.new = buildArray
Array.set = setArray
Array.get = getArray
Array.GetEnumerator = arrayEnumerator
function Array.getLength(this)
return #this
end
function Array.GetLength(this, dimension)
if dimension ~= 0 then
throw(IndexOutOfRangeException())
end
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
function Array.FindAll(t, match)
return setmetatable(findAll(t, match), Array(t.__genericT__))
end
Array.FindIndex = Collection.findIndexOfArray
Array.FindLast = Collection.findLastOfArray
Array.FindLastIndex = Collection.findLastIndexOfArray
Array.IndexOf = Collection.indexOfArray
Array.LastIndexOf = Collection.lastIndexOfArray
Array.Resize = Collection.resizeArray
Array.Reverse = Collection.reverseArray
Array.Sort = Collection.sortArray
Array.TrueForAll = Collection.trueForAllOfArray
Array.Copy = Collection.copyArray
Array.ForEach = Collection.forEachArray
Array.GetValue = getArray
function Array.CreateInstance(elementType, length)
return buildArray(Array(elementType.c), length)
end
function Array.SetValue(this, value, index)
setArray(this, index, value)
end
define("System.Array", function(T)
local cls = {
__inherits__ = { System.IList_1(T), System.IList },
__genericT__ = T
}
return cls
end, Array)
function Array.__call(T, ...)
return buildArray(T, select("#", ...), { ... })
end
local function unset()
throw(System.NotSupportedException("This array is readOnly"))
end
function System.arrayFromTable(t, T, readOnly)
assert(T)
local array = setmetatable(t, Array(T))
if readOnly then
array.set = unset
end
return array
end
function System.arrayFromList(t)
return setmetatable(t, Array(t.__genericT__))
end
local MultiArray = {}
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)
return #this
end
function MultiArray.GetLength(this, dimension)
local rank = this.__rank__
if dimension < 0 or dimension >= #rank then
throw(IndexOutOfRangeException())
end
return rank[dimension + 1]
end
function MultiArray.getRank(this)
return #this.__rank__
end
MultiArray.GetEnumerator = arrayEnumerator
function System.multiArrayFromTable(t, T)
assert(T)
return setmetatable(t, MultiArray(T))
end
define("System.MultiArray", function(T)
local cls = {
__inherits__ = { System.IList_1(T), System.IList },
__genericT__ = T
}
return cls
end, MultiArray)
function MultiArray.__call(T, rank, t)
local len = 1
for _, i in ipairs(rank) do
len = len * i
end
t = buildArray(T, len, t)
t.__rank__ = rank
return t
end