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Copy pathInt.lua
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166 lines (133 loc) · 3.47 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 throw = System.throw
local ArgumentException = System.ArgumentException
local ArgumentNullException = System.ArgumentNullException
local FormatException = System.FormatException
local OverflowException = System.OverflowException
local type = type
local tonumber = tonumber
local floor = math.floor
local Int = {}
local function compare(this, v)
if this < v then return -1 end
if this > v then return 1 end
return 0
end
Int.GetHashCode = System.identityFn
Int.CompareTo = compare
function Int.CompareToObj(this, v)
if v == null then return 1 end
if type(v) ~= "number" then
throw(ArgumentException("Arg_MustBeInt"))
end
return compare(this, v)
end
function Int.Equals(this, v)
return this == v
end
function Int.EqualsObj(this, v)
if type(v) ~= "number" then
return false
end
return this == v
end
local function parse(s, min, max)
if s == nil then
return nil, 1
end
local v = tonumber(s)
if v == nil or v ~= floor(v) then
return nil, 2
end
if v < min or v > max then
return nil, 3
end
return v
end
local function tryParse(s, min, max)
local v = parse(s, min, max)
if v then
return true, v
end
return false, 0
end
local function parseWithException(s, min, max)
local v, err = parse(s, min, max)
if v then
return v
end
if err == 1 then
throw(ArgumentNullException())
elseif err == 2 then
throw(FormatException())
else
throw(OverflowException())
end
end
function Int.Parse(s)
return parseWithException(s, -2147483648, 2147483647)
end
function Int.TryParse(s)
return tryParse(s, -2147483648, 2147483647)
end
function Int.ParseByte(s)
return parseWithException(s, 0, 255)
end
function Int.TryParseByte(s)
return tryParse(s, 0, 255)
end
function Int.ParseInt16(s)
return parseWithException(s, -32768, 32767)
end
function Int.TryParseInt16(s)
return tryParse(s, -32768, 32767)
end
function Int.ParseInt64(s)
return parseWithException(s, -9223372036854775808, 9223372036854775807)
end
function Int.TryParseInt64(s)
return tryParse(s, -9223372036854775808, 9223372036854775807)
end
function Int.ParseSByte(s)
return parseWithException(s, -128, 127)
end
function Int.TryParseSByte(s)
return tryParse(s, -128, 127)
end
function Int.ParseUInt16(s)
return parseWithException(s, 0, 65535)
end
function Int.TryParseUInt16(s)
return tryParse(s, 0, 65535)
end
function Int.ParseUInt32(s)
return parseWithException(s, 0, 4294967295)
end
function Int.TryParseUInt32(s)
return tryParse(s, 0, 4294967295)
end
function Int.ParseUInt64(s)
return parseWithException(s, 0, 18446744073709551615)
end
function Int.TryParseUInt64(s)
return tryParse(s, 0, 18446744073709551615)
end
function Int.__default__()
return 0
end
function Int.__inherits__()
return { System.IComparable, System.IFormattable, System.IComparable_1(Int), System.IEquatable_1(Int) }
end
System.defStc("System.Int", Int)