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Copy pathString.lua
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495 lines (432 loc) · 12 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 ArgumentOutOfRangeException = System.ArgumentOutOfRangeException
local FormatException = System.FormatException
local IndexOutOfRangeException = System.IndexOutOfRangeException
local string = string
local schar = string.char
local srep = string.rep
local slower = string.lower
local supper = string.upper
local sbyte = string.byte
local ssub = string.sub
local sfind = string.find
local smatch = string.match
local sgsub = string.gsub
local table = table
local tconcat = table.concat
local unpack = table.unpack
local setmetatable = setmetatable
local select = select
local type = type
local tonumber = tonumber
local String = string
String.traceback = System.emptyFn -- make throw(str) not fail
function String.getLength(this)
return #this
end
local function check(s, startIndex, count)
local len = #s
startIndex = startIndex or 0
if startIndex < 0 or startIndex > len then
throw(ArgumentOutOfRangeException("startIndex"))
end
count = count or len - startIndex
if count < 0 or count > len - startIndex then
throw(ArgumentOutOfRangeException("count"))
end
return startIndex, count, len
end
local function ctor(_, ...)
local len = select("#", ...)
if len == 2 then
local c, count = ...
if count <= 0 then
throw(ArgumentOutOfRangeException("count"))
end
return srep(schar(c), count)
end
local value, startIndex, length = ...
startIndex, length = check(value, startIndex, length)
return schar(unpack(value, startIndex + 1, startIndex + length))
end
local function compare(strA, strB, ignoreCaseOrType, cultureInfo)
if strA == nil then
return(strB == nil) and 0 or -1
end
if strB == nil then
return 1
end
if ignoreCaseOrType ~= nil then
if type(ignoreCaseOrType) == "number" then
-- StringComparison
if ignoreCaseOrType % 2 ~= 0 then
strA = slower(strA)
strB = slower(strB)
end
else
-- ignoreCase
if ignoreCaseOrType then
strA = slower(strA)
strB = slower(strB)
end
if cultureInfo then
-- CultureInfo
throw(System.NotSupportedException("cultureInfo is not support"))
end
end
end
if strA > strB then return 1 end
if strA < strB then return -1 end
return 0
end
String.Compare = compare
function String.CompareTo(this, v)
return compare(this, v)
end
function String.CompareToObj(this, v)
if v == nil then return 1 end
if type(v) ~= "string" then
throw(ArgumentException("Arg_MustBeString"))
end
return compare(this, v)
end
function String.Equals(this, v, comparisonType)
return compare(this, v, comparisonType) == 0
end
function String.EqualsObj(this, v)
if type(v) == "string" then
return this == v
end
return false
end
function String.GetType(this)
return System.typeof(String)
end
String.ToString = tostring
function String.get(this, index)
if index < 0 or index >= #this then
throw(IndexOutOfRangeException())
end
return sbyte(this, index + 1)
end
function String.Concat(...)
local t = {}
local len = select("#", ...)
if len == 1 then
local v = ...
if System.isEnumerableLike(v) then
for _, v in System.each(array) do
t[#t + 1] = v:ToString()
end
else
return v:ToString()
end
else
for i = 1, len do
local v = select(i, ...)
t[#t + 1] = v:ToString()
end
end
return tconcat(t)
end
function String.Join(separator, value, startIndex, count)
local t = {}
if startIndex then
check(value, startIndex, count)
for i = startIndex + 1, startIndex + count do
local v = value:get(i)
if v ~= nil then
t[#t + 1] = v
end
end
else
for _, v in System.each(value) do
if v ~= nil then
t[#t + 1] = v
end
end
end
return tconcat(t, separator)
end
local function escape(s)
return sgsub(s, "([%%%^%.])", "%%%1")
end
local function checkIndexOf(str, value, startIndex, count, comparisonType)
if value == nil then
throw(ArgumentNullException("value"))
end
startIndex, count = check(str, startIndex, count)
str = ssub(str, startIndex + 1, startIndex + count)
if comparisonType and comparisonType % 2 ~= 0 then
str = slower(str)
value = slower(value)
end
return str, escape(value), startIndex
end
function String.LastIndexOf(str, value, startIndex, count, comparisonType)
if type(value) == "number" then
value = schar(value)
end
str, value, startIndex = checkIndexOf(str, value, startIndex, count, comparisonType)
local index = smatch(str, ".*()" .. value)
if index then
return index - 1 + startIndex
end
return -1
end
local function indexOfAny(str, chars, startIndex, count)
if chars == nil then
throw(ArgumentNullException("chars"))
end
startIndex, count = check(str, startIndex, count)
str = ssub(str, startIndex + 1, startIndex + count)
return str, "[" .. escape(schar(unpack(chars))) .. "]", startIndex
end
function String.LastIndexOfAny(str, chars, startIndex, count)
str, chars, startIndex = indexOfAny(str, chars, startIndex, count)
local index = smatch(str, "^.*()" .. chars)
if index then
return index - 1 + startIndex
end
return -1
end
function String.IsNullOrWhiteSpace(value)
return value == nil or sfind(value, "^%s*$") ~= nil
end
function String.IsNullOrEmpty(value)
return value == nil or #value == 0
end
local function simpleFormat(format, args, len, getFn)
return (sgsub(format, "{(%d)}", function(n)
n = tonumber(n)
if n >= len then
throw(FormatException())
end
local v = getFn(args, n)
if v ~= nil then
return v:ToString()
end
return ""
end))
end
local function formatGetFromArray(t, n)
return t:get(n)
end
local function formatGetFromTable(t, n)
return t[n + 1]
end
function String.Format(format, ...)
local len = select("#", ...)
if len == 1 then
local args = ...
if System.isArrayLike(args) then
return simpleFormat(format, args, #args, formatGetFromArray)
end
end
return simpleFormat(format, { ... }, len, formatGetFromTable)
end
function String.StartsWith(this, prefix)
return ssub(this, 1, #prefix) == prefix
end
function String.EndsWith(this, suffix)
return suffix == "" or ssub(this, -#suffix) == suffix
end
function String.Contains(this, value)
if value == nil then
throw(ArgumentNullException("value"))
end
return sfind(this, value) ~= nil
end
function String.IndexOfAny(str, chars, startIndex, count)
str, chars, startIndex = indexOfAny(str, chars, startIndex, count)
local index = sfind(str, chars)
if index then
return index - 1 + startIndex
end
return -1
end
function String.IndexOf(str, value, startIndex, count, comparisonType)
if type(value) == "number" then
value = schar(value)
end
str, value, startIndex = checkIndexOf(str, value, startIndex, count, comparisonType)
local index = sfind(str, value)
if index then
return index - 1 + startIndex
end
return -1
end
function String.ToCharArray(str, startIndex, count)
startIndex, count = check(str, startIndex, count)
local t = { }
for i = startIndex + 1, startIndex + count do
t[#t + 1] = sbyte(str, i)
end
return System.arrayFromTable(t, System.Char)
end
function String.Replace(this, a, b)
if type(a) == "number" then
a = schar(a)
b = schar(b)
end
a = escape(a)
return sgsub(this, a, b)
end
function String.Insert(this, startIndex, value)
if value == nil then
throw(ArgumentNullException("value"))
end
startIndex = check(this, startIndex)
return ssub(this, 1, startIndex) .. value .. ssub(this, startIndex + 1)
end
function String.Remove(this, startIndex, count)
startIndex, count = check(this, startIndex, count)
return ssub(this, 1, startIndex) .. ssub(this, startIndex + 1 + count)
end
function String.Substring(this, startIndex, count)
startIndex, count = check(this, startIndex, count)
return ssub(this, startIndex + 1, startIndex + count)
end
local function findAny(s, strings, startIndex)
local findBegin, findEnd, findStr
for _, str in ipairs(strings) do
local pattern = escape(str)
local posBegin, posEnd = sfind(s, pattern, startIndex)
if posBegin then
if not findBegin or posBegin < findBegin then
findBegin, findEnd, findStr = posBegin, posEnd, str
end
end
end
return findBegin, findEnd, findStr
end
String.FindAny = findAny
function String.Split(this, strings, count, options)
local t = {}
local find = sfind
if type(strings) == "table" then
if #strings == 0 then
return t
end
if type(strings[1]) == "string" then
find = findAny
else
strings = schar(unpack(strings))
strings = escape(strings)
strings = "[" .. strings .. "]"
end
elseif type(strings) == "string" then
strings = escape(strings)
else
strings = schar(strings)
strings = escape(strings)
end
local startIndex = 1
while true do
local posBegin, posEnd = find(this, strings, startIndex)
posBegin = posBegin or 0
local subStr = ssub(this, startIndex, posBegin -1)
if options ~= 1 or #subStr > 0 then
t[#t + 1] = subStr
if count then
count = count -1
if count == 0 then
break
end
end
end
if posBegin == 0 then
break
end
startIndex = posEnd + 1
end
return System.arrayFromTable(t, String)
end
String.ToLower = slower
String.ToUpper = supper
function String.TrimEnd(this, chars)
if chars then
chars = schar(unpack(chars))
chars = escape(chars)
chars = "(.-)[" .. chars .. "]*$"
else
chars = "(.-)%s*$"
end
return (sgsub(this, chars, "%1"))
end
function String.TrimStart(this, chars)
if chars then
chars = schar(unpack(chars))
chars = escape(chars)
chars = "^[" .. chars .. "]*(.-)"
else
chars = "^%s*(.-)"
end
return (sgsub(this, chars, "%1"))
end
function String.Trim(this, chars)
if chars then
chars = schar(unpack(chars))
chars = escape(chars)
chars = "^[" .. chars .. "]*(.-)[" .. chars .. "]*$"
else
chars = "^%s*(.-)%s*$"
end
return (sgsub(this, chars, "%1"))
end
function String.PadLeft(this, totalWidth, paddingChar)
local len = #this;
if len >= totalWidth then
return this
else
paddingChar = paddingChar or 0x20;
return srep(schar(paddingChar), totalWidth - len) .. this
end
end
function String.PadRight(this, totalWidth, paddingChar)
local len = #this;
if len >= totalWidth then
return this
else
paddingChar = paddingChar or 0x20;
return this .. srep(schar(paddingChar), totalWidth - len)
end
end
local CharEnumerator = {}
CharEnumerator.__index = CharEnumerator
function CharEnumerator.MoveNext(this)
local index, s = this.index, this.s
if index <= #s then
this.current = sbyte(s, index)
this.index = index + 1
return true
end
return false
end
function CharEnumerator.getCurrent(this)
return this.current
end
CharEnumerator.Dispose = System.emptyFn
function String.GetEnumerator(this)
return setmetatable({ s = this, index = 1 }, CharEnumerator)
end
function String.__inherits__()
return { System.IEnumerable_1(System.Char), System.IEnumerable, System.IComparable, System.IComparable_1(String), System.IConvertible, System.IEquatable_1(String) }
end
System.define("System.String", String)
setmetatable(String, { __index = System.Object, __call = ctor })