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733 lines (675 loc) · 19 KB
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Copy pathString.lua
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733 lines (675 loc) · 19 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 emptyFn = System.emptyFn
local lengthFn = System.lengthFn
local toString = System.toString
local debugsetmetatable = System.debugsetmetatable
local ArgumentException = System.ArgumentException
local ArgumentNullException = System.ArgumentNullException
local ArgumentOutOfRangeException = System.ArgumentOutOfRangeException
local FormatException = System.FormatException
local IndexOutOfRangeException = System.IndexOutOfRangeException
local string = string
local char = string.char
local rep = string.rep
local lower = string.lower
local upper = string.upper
local byte = string.byte
local sub = string.sub
local find = string.find
local gsub = string.gsub
local table = table
local tconcat = table.concat
local unpack = table.unpack
local getmetatable = getmetatable
local setmetatable = setmetatable
local select = select
local type = type
local String
local function checkIndex(value, startIndex, count)
if value == nil then throw(ArgumentNullException("value")) end
local len = #value
if not startIndex then
startIndex, count = 0, len
elseif not count then
if startIndex < 0 or startIndex > len then
throw(ArgumentOutOfRangeException("startIndex"))
end
count = len - startIndex
else
if startIndex < 0 or startIndex > len then
throw(ArgumentOutOfRangeException("startIndex"))
end
if count < 0 or count > len - startIndex then
throw(ArgumentOutOfRangeException("count"))
end
end
return startIndex, count, len
end
local function ctor(String, value, startIndex, count)
if type(value) == "number" then
if startIndex <= 0 then throw(ArgumentOutOfRangeException("count")) end
return rep(char(value), startIndex)
end
startIndex, count = checkIndex(value, startIndex, count)
return char(unpack(value, startIndex + 1, startIndex + count))
end
local function get(this, index)
local c = byte(this, index + 1)
if not c then
throw(IndexOutOfRangeException())
end
return c
end
local function compare(strA, strB, ignoreCase)
if strA == nil then
if strB == nil then
return 0
end
return -1
elseif strB == nil then
return 1
end
if ignoreCase then
strA, strB = lower(strA), lower(strB)
end
if strA < strB then return -1 end
if strA > strB then return 1 end
return 0
end
local function compareFull(...)
local n = select("#", ...)
if n == 2 then
return compare(...)
elseif n == 3 then
local strA, strB, ignoreCase = ...
if type(ignoreCase) == "number" then
ignoreCase = ignoreCase % 2 ~= 0
end
return compare(strA, strB, ignoreCase)
elseif n == 4 then
local strA, strB, ignoreCase, options = ...
if type(options) == "number" then
ignoreCase = options == 1 or options == 268435456
end
return compare(strA, strB, ignoreCase)
else
local strA, indexA, strB, indexB, length, ignoreCase, options = ...
if type(ignoreCase) == "number" then
ignoreCase = ignoreCase % 2 ~= 0
elseif type(options) == "number" then
ignoreCase = options == 1 or options == 268435456
end
checkIndex(strA, indexA, length)
checkIndex(strB, indexB, length)
strA, strB = sub(strA, indexA + 1, indexA + length), sub(strB, indexB + 1, indexB + length)
return compare(strA, strB, ignoreCase)
end
end
local function concat(...)
local t = {}
local count = 1
local len = select("#", ...)
if len == 1 then
local v = ...
if System.isEnumerableLike(v) then
for _, v in System.each(v) do
t[count] = v ~= nil and toString(v) or ""
count = count + 1
end
else
return v ~= nil and toString(v) or ""
end
else
for i = 1, len do
local v = select(i, ...)
t[count] = v ~= nil and toString(v) or ""
count = count + 1
end
end
return tconcat(t)
end
local function equals(this, value, comparisonType)
if not comparisonType then
return this == value
end
return compare(this, value, comparisonType % 2 ~= 0) == 0
end
local function throwFormatError()
throw(FormatException("Input string was not in a correct format."))
end
local function formatBuild(format, len, select, ...)
local t, count = {}, 1
local i, j, s = 1
while true do
local startPos = i
while true do
i, j, s = find(format, "([{}])", i)
if not i then
if count == 1 then
return format
end
t[count] = sub(format, startPos)
return table.concat(t)
end
local pos = i - 1
i = i + 1
local c = byte(format, i)
if not c then throwFormatError() end
if s == '{' then
if c == 123 then
i = i + 1
else
pos = i - 2
if pos >= startPos then
t[count] = sub(format, startPos, pos)
count = count + 1
end
break
end
else
if c == 125 then
i = i + 1
else
throwFormatError()
end
end
if pos >= startPos then
t[count] = sub(format, startPos, pos)
count = count + 1
end
t[count] = s
count = count + 1
startPos = i
end
i, j, s = find(format, "^(%d+)}", i)
if not i then throwFormatError() end
s = s + 1
if s > len then throwFormatError() end
s = select(s, ...)
s = (s ~= nil and s ~= System.null) and toString(s) or ""
t[count] = s
count = count + 1
i = j + 1
end
end
local function selectTable(i, t)
return t[i]
end
local function format(format, ...)
if format == nil then throw(ArgumentNullException()) end
local len = select("#", ...)
if len == 1 then
local args = ...
if System.isArrayLike(args) then
return formatBuild(format, #args, selectTable, args)
end
end
return formatBuild(format, len, select, ...)
end
local function isNullOrEmpty(value)
return value == nil or #value == 0
end
local function isNullOrWhiteSpace(value)
return value == nil or find(value, "^%s*$") ~= nil
end
local function joinEnumerable(separator, values)
if values == nil then throw(ArgumentNullException("values")) end
if type(separator) == "number" then
separator = char(separator)
end
local t = {}
local len = 1
for _, v in System.each(values) do
if v ~= nil then
t[len] = toString(v)
len = len + 1
end
end
return tconcat(t, separator)
end
local function joinParams(separator, ...)
if type(separator) == "number" then
separator = char(separator)
end
local t = {}
local len = 1
local n = select("#", ...)
if n == 1 then
local values = ...
if System.isArrayLike(values) then
for i = 0, #values - 1 do
local v = values:get(i)
if v ~= nil then
t[len] = toString(v)
len = len + 1
end
end
return tconcat(t, separator)
end
end
for i = 1, n do
local v = select(i, ...)
if v ~= nil then
t[len] = toString(v)
len = len + 1
end
end
return tconcat(t, separator)
end
local function join(separator, value, startIndex, count)
if type(separator) == "number" then
separator = char(separator)
end
local t = {}
local len = 1
if startIndex then
checkIndex(value, startIndex, count)
for i = startIndex + 1, startIndex + count do
local v = value[i]
if v ~= System.null then
t[len] = v
len = len + 1
end
end
else
for _, v in System.each(value) do
if v ~= nil then
t[len] = v
len = len + 1
end
end
end
return tconcat(t, separator)
end
local function 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
local function escape(s)
return gsub(s, "([%%%^%.])", "%%%1")
end
local function contains(this, value, comparisonType)
if value == nil then throw(ArgumentNullException("value")) end
if type(value) == "number" then
value = char(value)
end
if comparisonType then
local ignoreCase = comparisonType % 2 ~= 0
if ignoreCase then
this, value = lower(this), lower(value)
end
end
return find(this, escape(value)) ~= nil
end
local function copyTo(this, sourceIndex, destination, destinationIndex, count)
if destination == nil then throw(ArgumentNullException("destination")) end
if count < 0 then throw(ArgumentOutOfRangeException("count")) end
local len = #this
if sourceIndex < 0 or count > len - sourceIndex then throw(ArgumentOutOfRangeException("sourceIndex")) end
if destinationIndex > #destination - count or destinationIndex < 0 then throw(ArgumentOutOfRangeException("destinationIndex")) end
if count > 0 then
destinationIndex = destinationIndex + 1
for i = sourceIndex + 1, sourceIndex + count do
destination[destinationIndex] = byte(this, i)
destinationIndex = destinationIndex + 1
end
end
end
local function endsWith(this, suffix)
return suffix == "" or sub(this, -#suffix) == suffix
end
local function equalsObj(this, v)
if type(v) == "string" then
return this == v
end
return false
end
local CharEnumerator = System.define("System.CharEnumerator", {
base = { System.IEnumerator_1(System.Char), System.IDisposable, System.ICloneable },
getCurrent = System.getCurrent,
Dispose = emptyFn,
MoveNext = function (this)
local index, s = this.index, this.s
if index <= #s then
this.current = byte(s, index)
this.index = index + 1
return true
end
return false
end
})
local function getEnumerator(this)
return setmetatable({ s = this, index = 1 }, CharEnumerator)
end
local function getTypeCode()
return 18
end
local function indexOf(this, value, startIndex, count, comparisonType)
if value == nil then throw(ArgumentNullException("value")) end
startIndex, count = checkIndex(this, startIndex, count)
if type(value) == "number" then value = char(value) end
local ignoreCase = comparisonType and comparisonType % 2 ~= 0
if ignoreCase then
this, value = lower(this), lower(value)
end
local i, j = find(this, escape(value), startIndex + 1)
if i then
local e = startIndex + count
if j <= e then
return i - 1
end
return - 1
end
return -1
end
local function indexOfAny(this, anyOf, startIndex, count)
if anyOf == nil then throw(ArgumentNullException("chars")) end
startIndex, count = checkIndex(this, startIndex, count)
anyOf = "[" .. escape(char(unpack(anyOf))) .. "]"
local i, j = find(this, anyOf, startIndex + 1)
if i then
local e = startIndex + count
if j <= e then
return i - 1
end
return - 1
end
return -1
end
local function insert(this, startIndex, value)
if value == nil then throw(ArgumentNullException("value")) end
if startIndex < 0 or startIndex > #this then throw(ArgumentOutOfRangeException("startIndex")) end
return sub(this, 1, startIndex) .. value .. sub(this, startIndex + 1)
end
local function chechLastIndexOf(value, startIndex, count)
if value == nil then throw(ArgumentNullException("value")) end
local len = #value
if not startIndex then
startIndex, count = len - 1, len
elseif not count then
count = len == 0 and 0 or (startIndex + 1)
end
if len == 0 then
if startIndex ~= -1 and startIndex ~= 0 then
throw(ArgumentOutOfRangeException("startIndex"))
end
if count ~= 0 then
throw(ArgumentOutOfRangeException("count"))
end
end
if startIndex < 0 or startIndex >= len then
throw(ArgumentOutOfRangeException("startIndex"))
end
if count < 0 or startIndex - count + 1 < 0 then
throw(ArgumentOutOfRangeException("count"))
end
return startIndex, count, len
end
local function lastIndexOf(this, value, startIndex, count, comparisonType)
if value == nil then throw(ArgumentNullException("value")) end
startIndex, count = chechLastIndexOf(this, startIndex, count)
if type(value) == "number" then value = char(value) end
local ignoreCase = comparisonType and comparisonType % 2 ~= 0
if ignoreCase then
this, value = lower(this), lower(value)
end
value = escape(value)
local e = startIndex + 1
local f = e - count + 1
local index = -1
while true do
local i, j = find(this, value, f)
if not i or j > e then
break
end
index = i - 1
f = j + 1
end
return index
end
local function lastIndexOfAny(this, anyOf, startIndex, count)
if anyOf == nil then throw(ArgumentNullException("chars")) end
startIndex, count = chechLastIndexOf(this, startIndex, count)
anyOf = "[" .. escape(char(unpack(anyOf))) .. "]"
local f, e = startIndex - count + 1, startIndex + 1
local index = -1
while true do
local i, j = find(this, anyOf, f)
if not i or j > e then
break
end
index = i - 1
f = j + 1
end
return index
end
local function padLeft(this, totalWidth, paddingChar)
local len = #this;
if len >= totalWidth then
return this
else
paddingChar = paddingChar or 0x20
return rep(char(paddingChar), totalWidth - len) .. this
end
end
local function padRight(this, totalWidth, paddingChar)
local len = #this
if len >= totalWidth then
return this
else
paddingChar = paddingChar or 0x20
return this .. rep(char(paddingChar), totalWidth - len)
end
end
local function remove(this, startIndex, count)
startIndex, count = checkIndex(this, startIndex, count)
return sub(this, 1, startIndex) .. sub(this, startIndex + 1 + count)
end
local function replace(this, a, b)
if type(a) == "number" then
a, b = char(a), char(b)
end
return gsub(this, escape(a), b)
end
local function findAny(s, strings, startIndex)
local findBegin, findEnd
for i = 1, #strings do
local posBegin, posEnd = find(s, escape(strings[i]), startIndex)
if posBegin then
if not findBegin or posBegin < findBegin then
findBegin, findEnd = posBegin, posEnd
else
break
end
end
end
return findBegin, findEnd
end
local function split(this, strings, count, options)
local t = {}
local find = find
if type(strings) == "table" then
if #strings == 0 then
return t
end
if type(strings[1]) == "string" then
find = findAny
else
strings = char(unpack(strings))
strings = escape(strings)
strings = "[" .. strings .. "]"
end
elseif type(strings) == "string" then
strings = escape(strings)
else
strings = char(strings)
strings = escape(strings)
end
local len = 1
local startIndex = 1
while true do
local posBegin, posEnd = find(this, strings, startIndex)
posBegin = posBegin or 0
local subStr = sub(this, startIndex, posBegin -1)
if options ~= 1 or #subStr > 0 then
t[len] = subStr
len = len + 1
if count then
count = count -1
if count == 0 then
if posBegin ~= 0 then
t[len - 1] = sub(this, startIndex)
end
break
end
end
end
if posBegin == 0 then
break
end
startIndex = posEnd + 1
end
return System.arrayFromTable(t, String)
end
local function startsWith(this, prefix)
return sub(this, 1, #prefix) == prefix
end
local function substring(this, startIndex, count)
startIndex, count = checkIndex(this, startIndex, count)
return sub(this, startIndex + 1, startIndex + count)
end
local function toCharArray(str, startIndex, count)
startIndex, count = checkIndex(str, startIndex, count)
local t = {}
local len = 1
for i = startIndex + 1, startIndex + count do
t[len] = byte(str, i)
len = len + 1
end
return System.arrayFromTable(t, System.Char)
end
local function trim(this, chars, ...)
if not chars then
chars = "^%s*(.-)%s*$"
else
if type(chars) == "table" then
chars = char(unpack(chars))
else
chars = char(chars, ...)
end
chars = escape(chars)
chars = "^[" .. chars .. "]*(.-)[" .. chars .. "]*$"
end
return (gsub(this, chars, "%1"))
end
local function trimEnd(this, chars, ...)
if not chars then
chars = "(.-)%s*$"
else
if type(chars) == "table" then
chars = char(unpack(chars))
else
chars = char(chars, ...)
end
chars = escape(chars)
chars = "(.-)[" .. chars .. "]*$"
end
return (gsub(this, chars, "%1"))
end
local function trimStart(this, chars, ...)
if not chars then
chars = "^%s*(.-)"
else
if type(chars) == "table" then
chars = char(unpack(chars))
else
chars = char(chars, ...)
end
chars = escape(chars)
chars = "^[" .. chars .. "]*(.-)"
end
return (gsub(this, chars, "%1"))
end
local function inherits(_, T)
return { System.IEnumerable_1(System.Char), System.IComparable, System.IComparable_1(T), System.IConvertible, System.IEquatable_1(T), System.ICloneable }
end
string.traceback = emptyFn -- make throw(str) not fail
string.getLength = lengthFn
string.getCount = lengthFn
string.get = get
string.Compare = compareFull
string.CompareOrdinal = compareFull
string.Concat = concat
string.Copy = System.identityFn
string.Equals = equals
string.Format = format
string.IsNullOrEmpty = isNullOrEmpty
string.IsNullOrWhiteSpace = isNullOrWhiteSpace
string.JoinEnumerable = joinEnumerable
string.JoinParams = joinParams
string.Join = join
string.CompareTo = compare
string.CompareToObj = compareToObj
string.Contains = contains
string.CopyTo = copyTo
string.EndsWith = endsWith
string.EqualsObj = equalsObj
string.GetEnumerator = getEnumerator
string.GetTypeCode = getTypeCode
string.IndexOf = indexOf
string.IndexOfAny = indexOfAny
string.Insert = insert
string.LastIndexOf = lastIndexOf
string.LastIndexOfAny = lastIndexOfAny
string.PadLeft = padLeft
string.PadRight = padRight
string.Remove = remove
string.Replace = replace
string.Split = split
string.StartsWith = startsWith
string.Substring = substring
string.ToCharArray = toCharArray
string.ToLower = lower
string.ToLowerInvariant = lower
string.ToString = System.identityFn
string.ToUpper = upper
string.ToUpperInvariant = upper
string.Trim = trim
string.TrimEnd = trimEnd
string.TrimStart = trimStart
if debugsetmetatable then
String = string
String.__genericT__ = System.Char
String.base = inherits
System.define("System.String", String)
debugsetmetatable("", String)
local Object = System.Object
local StringMetaTable = setmetatable({ __index = Object, __call = ctor }, Object)
setmetatable(String, StringMetaTable)
else
string.__call = ctor
string.__index = string
String = getmetatable("")
String.__genericT__ = System.Char
String.base = inherits
System.define("System.String", String)
String.__index = string
setmetatable(String, string)
setmetatable(string, System.Object)
end