Repository navigation
Expand file tree
/
Copy pathChar.lua
More file actions
235 lines (221 loc) · 5.83 KB
/
Copy pathChar.lua
File metadata and controls
235 lines (221 loc) · 5.83 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
--[[
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 Int = System.Int
local ArgumentNullException = System.ArgumentNullException
local ArgumentOutOfRangeException = System.ArgumentOutOfRangeException
local setmetatable = setmetatable
local byte = string.byte
local isSeparatorTable = {
[0x2028] = true,
[0x2029] = true,
[0x0020] = true,
[0x00A0] = true,
[0x1680] = true,
[0x180E] = true,
[0x202F] = true,
[0x205F] = true,
[0x3000] = true,
}
local isSymbolTable = {
[36] = true,
[43] = true,
[60] = true,
[61] = true,
[62] = true,
[94] = true,
[96] = true,
[124] = true,
[126] = true,
[172] = true,
[180] = true,
[182] = true,
[184] = true,
[215] = true,
[247] = true,
}
--https://msdn.microsoft.com/zh-cn/library/t809ektx(v=vs.110).aspx
local isWhiteSpace = {
[0x0020] = true,
[0x00A0] = true,
[0x1680] = true,
[0x202F] = true,
[0x205F] = true,
[0x3000] = true,
[0x2028] = true,
[0x2029] = true,
[0x0085] = true,
}
local function get(s, index)
if s == nil then throw(ArgumentNullException("s")) end
local c = byte(s, index + 1)
if not c then throw(ArgumentOutOfRangeException("index")) end
return c
end
local function isAsciiLetter(c)
return (c >= 65 and c <= 90) or (c >= 97 and c <= 122)
end
local function isDigit(c, index)
if index then
c = get(c, index)
end
return (c >= 48 and c <= 57)
end
-- https://msdn.microsoft.com/zh-cn/library/yyxz6h5w(v=vs.110).aspx
local function isLetter(c, index)
if index then
c = get(c, index)
end
if c < 128 then
return isAsciiLetter(c)
else
return (c >= 0x0400 and c <= 0x042F)
or (c >= 0x03AC and c <= 0x03CE)
or (c == 0x01C5 or c == 0x1FFC)
or (c >= 0x02B0 and c <= 0x02C1)
or (c >= 0x1D2C and c <= 0x1D61)
or (c >= 0x05D0 and c <= 0x05EA)
or (c >= 0x0621 and c <= 0x063A)
or (c >= 0x4E00 and c <= 0x9FC3)
end
end
local Char = System.defStc("System.Char", {
ToString = string.char,
CompareTo = Int.CompareTo,
CompareToObj = Int.CompareToObj,
Equals = Int.Equals,
EqualsObj = Int.EqualsObj,
GetHashCode = Int.GetHashCode,
default = Int.default,
IsAsciiLetter = isAsciiLetter,
IsControl = function (c, index)
if index then
c = get(c, index)
end
return (c >=0 and c <= 31) or (c >= 127 and c <= 159)
end,
IsDigit = isDigit,
IsLetter = isLetter,
IsLetterOrDigit = function (c, index)
if index then
c = get(c, index)
end
return isDigit(c) or isLetter(c)
end,
IsLower = function (c, index)
if index then
c = get(c, index)
end
return (c >= 97 and c <= 122) or (c >= 945 and c <= 969)
end,
IsNumber = function (c, index)
if index then
c = get(c, index)
end
return (c >= 48 and c <= 57) or c == 178 or c == 179 or c == 185 or c == 188 or c == 189 or c == 190
end,
IsPunctuation = function (c, index)
if index then
c = get(c, index)
end
if c < 256 then
return (c >= 0x0021 and c <= 0x0023)
or (c >= 0x0025 and c <= 0x002A)
or (c >= 0x002C and c <= 0x002F)
or (c >= 0x003A and c <= 0x003B)
or (c >= 0x003F and c <= 0x0040)
or (c >= 0x005B and c <= 0x005D)
or c == 0x5F or c == 0x7B or c == 0x007D or c == 0x00A1 or c == 0x00AB or c == 0x00AD or c == 0x00B7 or c == 0x00BB or c == 0x00BF
end
return false
end,
IsSeparator = function (c, index)
if index then
c = get(c, index)
end
return (c >= 0x2000 and c <= 0x200A) or isSeparatorTable[c] == true
end,
IsSymbol = function (c, index)
if index then
c = get(c, index)
end
if c < 256 then
return (c >= 162 and c <= 169) or (c >= 174 and c <= 177) or isSymbolTable(c) == true
end
return false
end,
IsUpper = function (c, index)
if index then
c = get(c, index)
end
return (c >= 65 and c <= 90) or (c >= 913 and c <= 937)
end,
IsWhiteSpace = function (c, index)
if index then
c = get(c, index)
end
return (c >= 0x2000 and c <= 0x200A) or (c >= 0x0009 and c <= 0x000d) or isWhiteSpace[c] == true
end,
Parse = function (s)
if s == nil then
throw(System.ArgumentNullException())
end
if #s ~= 1 then
throw(System.FormatException())
end
return s:byte()
end,
TryParse = function (s)
if s == nil or #s ~= 1 then
return false, 0
end
return true, s:byte()
end,
ToLower = function (c)
if (c >= 65 and c <= 90) or (c >= 913 and c <= 937) then
return c + 32
end
return c
end,
ToUpper = function (c)
if (c >= 97 and c <= 122) or (c >= 945 and c <= 969) then
return c - 32
end
return c
end,
IsHighSurrogate = function (c, index)
if index then
c = get(c, index)
end
return c >= 0xD800 and c <= 0xDBFF
end,
IsLowSurrogate = function (c, index)
if index then
c = get(c, index)
end
return c >= 0xDC00 and c <= 0xDFFF
end,
IsSurrogate = function (c, index)
if index then
c = get(c, index)
end
return c >= 0xD800 and c <= 0xDFFF
end,
base = function (_, T)
return { System.IComparable, System.IComparable_1(T), System.IEquatable_1(T) }
end
})
local ValueType = System.ValueType
local charMetaTable = setmetatable({ __index = ValueType, __call = Char.default }, ValueType)
setmetatable(Char, charMetaTable)