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Swift implementation of SASLPrep (RFC 4013)
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| // | |
| // SASLPrep.swift | |
| // | |
| // Copyright 2020 David Pitfield | |
| // | |
| // 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. | |
| // | |
| internal extension String { | |
| /// Gets the SASLPrep (RFC 4013) transformation of this `String`. | |
| /// | |
| /// - Parameter stringType: whether to treat this string as a "stored string" | |
| /// or a "query" (see RFC 3454) | |
| /// | |
| /// - Throws: `String.SASLPrepError` if the operation fails | |
| /// - Returns: the transformed string | |
| func saslPrep(stringType: SASLPrepStringType) throws -> String { | |
| // Section 2.1 Mapping | |
| var codeUnits = unicodeScalars.map { $0.isNonAsciiSpaceCharacter ? " " : $0 } | |
| codeUnits = codeUnits.compactMap { $0.isCommonlyMappedToNothing ? nil : $0 } | |
| // Section 2.2 Normalization | |
| codeUnits = [UnicodeScalarView.Element]( | |
| String(UnicodeScalarView(codeUnits)) | |
| .precomposedStringWithCompatibilityMapping | |
| .unicodeScalars) | |
| // Section 2.3 Prohibited output | |
| for codeUnit in codeUnits { | |
| if codeUnit.isProhibitedOutput { | |
| throw SASLPrepError.prohibitedOutput(scalar: codeUnit) | |
| } | |
| } | |
| // Section 2.4 Bidirectional characters | |
| let containsRandALCat = codeUnits.contains { $0.isRandALCat } | |
| let containsLCat = codeUnits.contains { $0.isLCat } | |
| if containsRandALCat && containsLCat { | |
| throw SASLPrepError.prohibitedBidirectionalString(string: self) | |
| } | |
| if containsRandALCat { | |
| if !codeUnits.first!.isRandALCat || | |
| !codeUnits.last!.isRandALCat { | |
| throw SASLPrepError.prohibitedBidirectionalString(string: self) | |
| } | |
| } | |
| // Section 2.5 Unassigned code points | |
| if stringType == .storedString { | |
| for codeUnit in codeUnits { | |
| if codeUnit.isUnassignedCodePoint { | |
| throw SASLPrepError.unassignedCodePoint(scalar: codeUnit) | |
| } | |
| } | |
| } | |
| return String(UnicodeScalarView(codeUnits)) | |
| } | |
| enum SASLPrepStringType { | |
| case storedString | |
| case query | |
| } | |
| enum SASLPrepError: Error { | |
| case prohibitedOutput(scalar: Unicode.Scalar) | |
| case prohibitedBidirectionalString(string: String) | |
| case unassignedCodePoint(scalar: Unicode.Scalar) | |
| } | |
| } | |
| fileprivate extension Unicode.Scalar { | |
| // The Unicode code point tables are from the Postgres server's SASLPrep implementation. | |
| // https://doxygen.postgresql.org/saslprep_8c_source.html | |
| // RFC 3454 table C.1.2 | |
| var isNonAsciiSpaceCharacter: Bool { | |
| let ranges: [ClosedRange<UInt32>] = [ | |
| 0x00A0...0x00A0, | |
| 0x1680...0x1680, | |
| 0x2000...0x200B, | |
| 0x202F...0x202F, | |
| 0x205F...0x205F, | |
| 0x3000...0x3000 ] | |
| return ranges.contains { $0.contains(value) } | |
| } | |
| // RFC 3454 table B.1 | |
| var isCommonlyMappedToNothing: Bool { | |
| let ranges: [ClosedRange<UInt32>] = [ | |
| 0x00AD...0x00AD, | |
| 0x034F...0x034F, | |
| 0x1806...0x1806, | |
| 0x180B...0x180D, | |
| 0x200B...0x200D, | |
| 0x2060...0x2060, | |
| 0xFE00...0xFE0F, | |
| 0xFEFF...0xFEFF ] | |
| return ranges.contains { $0.contains(value) } | |
| } | |
| // RFC 3454 tables: | |
| // C.1.2 Non-ASCII space characters | |
| // C.2.1 ASCII control characters | |
| // C.2.2 Non-ASCII control characters | |
| // C.3 Private Use characters | |
| // C.4 Non-character code points | |
| // C.5 Surrogate code points | |
| // C.6 Inappropriate for plain text characters | |
| // C.7 Inappropriate for canonical representation characters | |
| // C.8 Change display properties or deprecated characters | |
| // C.9 Tagging characters | |
| var isProhibitedOutput: Bool { | |
| let ranges: [ClosedRange<UInt32>] = [ | |
| 0x0000...0x001F, // C.2.1 | |
| 0x007F...0x00A0, // C.1.2...C.2.1...C.2.2 | |
| 0x0340...0x0341, // C.8 | |
| 0x06DD...0x06DD, // C.2.2 | |
| 0x070F...0x070F, // C.2.2 | |
| 0x1680...0x1680, // C.1.2 | |
| 0x180E...0x180E, // C.2.2 | |
| 0x2000...0x200F, // C.1.2...C.2.2...C.8 | |
| 0x2028...0x202F, // C.1.2...C.2.2...C.8 | |
| 0x205F...0x2063, // C.1.2...C.2.2 | |
| 0x206A...0x206F, // C.2.2...C.8 | |
| 0x2FF0...0x2FFB, // C.7 | |
| 0x3000...0x3000, // C.1.2 | |
| 0xD800...0xF8FF, // C.3...C.5 | |
| 0xFDD0...0xFDEF, // C.4 | |
| 0xFEFF...0xFEFF, // C.2.2 | |
| 0xFFF9...0xFFFF, // C.2.2...C.4...C.6 | |
| 0x1D173...0x1D17A, // C.2.2 | |
| 0x1FFFE...0x1FFFF, // C.4 | |
| 0x2FFFE...0x2FFFF, // C.4 | |
| 0x3FFFE...0x3FFFF, // C.4 | |
| 0x4FFFE...0x4FFFF, // C.4 | |
| 0x5FFFE...0x5FFFF, // C.4 | |
| 0x6FFFE...0x6FFFF, // C.4 | |
| 0x7FFFE...0x7FFFF, // C.4 | |
| 0x8FFFE...0x8FFFF, // C.4 | |
| 0x9FFFE...0x9FFFF, // C.4 | |
| 0xAFFFE...0xAFFFF, // C.4 | |
| 0xBFFFE...0xBFFFF, // C.4 | |
| 0xCFFFE...0xCFFFF, // C.4 | |
| 0xDFFFE...0xDFFFF, // C.4 | |
| 0xE0001...0xE0001, // C.9 | |
| 0xE0020...0xE007F, // C.9 | |
| 0xEFFFE...0xEFFFF, // C.4 | |
| 0xF0000...0xFFFFF, // C.3...C.4 | |
| 0x100000...0x10FFFF ] // C.3...C.4 | |
| return ranges.contains { $0.contains(value) } | |
| } | |
| // RFC 3454 table A.1 | |
| var isUnassignedCodePoint: Bool { | |
| let ranges: [ClosedRange<UInt32>] = [ | |
| 0x0221...0x0221, | |
| 0x0234...0x024F, | |
| 0x02AE...0x02AF, | |
| 0x02EF...0x02FF, | |
| 0x0350...0x035F, | |
| 0x0370...0x0373, | |
| 0x0376...0x0379, | |
| 0x037B...0x037D, | |
| 0x037F...0x0383, | |
| 0x038B...0x038B, | |
| 0x038D...0x038D, | |
| 0x03A2...0x03A2, | |
| 0x03CF...0x03CF, | |
| 0x03F7...0x03FF, | |
| 0x0487...0x0487, | |
| 0x04CF...0x04CF, | |
| 0x04F6...0x04F7, | |
| 0x04FA...0x04FF, | |
| 0x0510...0x0530, | |
| 0x0557...0x0558, | |
| 0x0560...0x0560, | |
| 0x0588...0x0588, | |
| 0x058B...0x0590, | |
| 0x05A2...0x05A2, | |
| 0x05BA...0x05BA, | |
| 0x05C5...0x05CF, | |
| 0x05EB...0x05EF, | |
| 0x05F5...0x060B, | |
| 0x060D...0x061A, | |
| 0x061C...0x061E, | |
| 0x0620...0x0620, | |
| 0x063B...0x063F, | |
| 0x0656...0x065F, | |
| 0x06EE...0x06EF, | |
| 0x06FF...0x06FF, | |
| 0x070E...0x070E, | |
| 0x072D...0x072F, | |
| 0x074B...0x077F, | |
| 0x07B2...0x0900, | |
| 0x0904...0x0904, | |
| 0x093A...0x093B, | |
| 0x094E...0x094F, | |
| 0x0955...0x0957, | |
| 0x0971...0x0980, | |
| 0x0984...0x0984, | |
| 0x098D...0x098E, | |
| 0x0991...0x0992, | |
| 0x09A9...0x09A9, | |
| 0x09B1...0x09B1, | |
| 0x09B3...0x09B5, | |
| 0x09BA...0x09BB, | |
| 0x09BD...0x09BD, | |
| 0x09C5...0x09C6, | |
| 0x09C9...0x09CA, | |
| 0x09CE...0x09D6, | |
| 0x09D8...0x09DB, | |
| 0x09DE...0x09DE, | |
| 0x09E4...0x09E5, | |
| 0x09FB...0x0A01, | |
| 0x0A03...0x0A04, | |
| 0x0A0B...0x0A0E, | |
| 0x0A11...0x0A12, | |
| 0x0A29...0x0A29, | |
| 0x0A31...0x0A31, | |
| 0x0A34...0x0A34, | |
| 0x0A37...0x0A37, | |
| 0x0A3A...0x0A3B, | |
| 0x0A3D...0x0A3D, | |
| 0x0A43...0x0A46, | |
| 0x0A49...0x0A4A, | |
| 0x0A4E...0x0A58, | |
| 0x0A5D...0x0A5D, | |
| 0x0A5F...0x0A65, | |
| 0x0A75...0x0A80, | |
| 0x0A84...0x0A84, | |
| 0x0A8C...0x0A8C, | |
| 0x0A8E...0x0A8E, | |
| 0x0A92...0x0A92, | |
| 0x0AA9...0x0AA9, | |
| 0x0AB1...0x0AB1, | |
| 0x0AB4...0x0AB4, | |
| 0x0ABA...0x0ABB, | |
| 0x0AC6...0x0AC6, | |
| 0x0ACA...0x0ACA, | |
| 0x0ACE...0x0ACF, | |
| 0x0AD1...0x0ADF, | |
| 0x0AE1...0x0AE5, | |
| 0x0AF0...0x0B00, | |
| 0x0B04...0x0B04, | |
| 0x0B0D...0x0B0E, | |
| 0x0B11...0x0B12, | |
| 0x0B29...0x0B29, | |
| 0x0B31...0x0B31, | |
| 0x0B34...0x0B35, | |
| 0x0B3A...0x0B3B, | |
| 0x0B44...0x0B46, | |
| 0x0B49...0x0B4A, | |
| 0x0B4E...0x0B55, | |
| 0x0B58...0x0B5B, | |
| 0x0B5E...0x0B5E, | |
| 0x0B62...0x0B65, | |
| 0x0B71...0x0B81, | |
| 0x0B84...0x0B84, | |
| 0x0B8B...0x0B8D, | |
| 0x0B91...0x0B91, | |
| 0x0B96...0x0B98, | |
| 0x0B9B...0x0B9B, | |
| 0x0B9D...0x0B9D, | |
| 0x0BA0...0x0BA2, | |
| 0x0BA5...0x0BA7, | |
| 0x0BAB...0x0BAD, | |
| 0x0BB6...0x0BB6, | |
| 0x0BBA...0x0BBD, | |
| 0x0BC3...0x0BC5, | |
| 0x0BC9...0x0BC9, | |
| 0x0BCE...0x0BD6, | |
| 0x0BD8...0x0BE6, | |
| 0x0BF3...0x0C00, | |
| 0x0C04...0x0C04, | |
| 0x0C0D...0x0C0D, | |
| 0x0C11...0x0C11, | |
| 0x0C29...0x0C29, | |
| 0x0C34...0x0C34, | |
| 0x0C3A...0x0C3D, | |
| 0x0C45...0x0C45, | |
| 0x0C49...0x0C49, | |
| 0x0C4E...0x0C54, | |
| 0x0C57...0x0C5F, | |
| 0x0C62...0x0C65, | |
| 0x0C70...0x0C81, | |
| 0x0C84...0x0C84, | |
| 0x0C8D...0x0C8D, | |
| 0x0C91...0x0C91, | |
| 0x0CA9...0x0CA9, | |
| 0x0CB4...0x0CB4, | |
| 0x0CBA...0x0CBD, | |
| 0x0CC5...0x0CC5, | |
| 0x0CC9...0x0CC9, | |
| 0x0CCE...0x0CD4, | |
| 0x0CD7...0x0CDD, | |
| 0x0CDF...0x0CDF, | |
| 0x0CE2...0x0CE5, | |
| 0x0CF0...0x0D01, | |
| 0x0D04...0x0D04, | |
| 0x0D0D...0x0D0D, | |
| 0x0D11...0x0D11, | |
| 0x0D29...0x0D29, | |
| 0x0D3A...0x0D3D, | |
| 0x0D44...0x0D45, | |
| 0x0D49...0x0D49, | |
| 0x0D4E...0x0D56, | |
| 0x0D58...0x0D5F, | |
| 0x0D62...0x0D65, | |
| 0x0D70...0x0D81, | |
| 0x0D84...0x0D84, | |
| 0x0D97...0x0D99, | |
| 0x0DB2...0x0DB2, | |
| 0x0DBC...0x0DBC, | |
| 0x0DBE...0x0DBF, | |
| 0x0DC7...0x0DC9, | |
| 0x0DCB...0x0DCE, | |
| 0x0DD5...0x0DD5, | |
| 0x0DD7...0x0DD7, | |
| 0x0DE0...0x0DF1, | |
| 0x0DF5...0x0E00, | |
| 0x0E3B...0x0E3E, | |
| 0x0E5C...0x0E80, | |
| 0x0E83...0x0E83, | |
| 0x0E85...0x0E86, | |
| 0x0E89...0x0E89, | |
| 0x0E8B...0x0E8C, | |
| 0x0E8E...0x0E93, | |
| 0x0E98...0x0E98, | |
| 0x0EA0...0x0EA0, | |
| 0x0EA4...0x0EA4, | |
| 0x0EA6...0x0EA6, | |
| 0x0EA8...0x0EA9, | |
| 0x0EAC...0x0EAC, | |
| 0x0EBA...0x0EBA, | |
| 0x0EBE...0x0EBF, | |
| 0x0EC5...0x0EC5, | |
| 0x0EC7...0x0EC7, | |
| 0x0ECE...0x0ECF, | |
| 0x0EDA...0x0EDB, | |
| 0x0EDE...0x0EFF, | |
| 0x0F48...0x0F48, | |
| 0x0F6B...0x0F70, | |
| 0x0F8C...0x0F8F, | |
| 0x0F98...0x0F98, | |
| 0x0FBD...0x0FBD, | |
| 0x0FCD...0x0FCE, | |
| 0x0FD0...0x0FFF, | |
| 0x1022...0x1022, | |
| 0x1028...0x1028, | |
| 0x102B...0x102B, | |
| 0x1033...0x1035, | |
| 0x103A...0x103F, | |
| 0x105A...0x109F, | |
| 0x10C6...0x10CF, | |
| 0x10F9...0x10FA, | |
| 0x10FC...0x10FF, | |
| 0x115A...0x115E, | |
| 0x11A3...0x11A7, | |
| 0x11FA...0x11FF, | |
| 0x1207...0x1207, | |
| 0x1247...0x1247, | |
| 0x1249...0x1249, | |
| 0x124E...0x124F, | |
| 0x1257...0x1257, | |
| 0x1259...0x1259, | |
| 0x125E...0x125F, | |
| 0x1287...0x1287, | |
| 0x1289...0x1289, | |
| 0x128E...0x128F, | |
| 0x12AF...0x12AF, | |
| 0x12B1...0x12B1, | |
| 0x12B6...0x12B7, | |
| 0x12BF...0x12BF, | |
| 0x12C1...0x12C1, | |
| 0x12C6...0x12C7, | |
| 0x12CF...0x12CF, | |
| 0x12D7...0x12D7, | |
| 0x12EF...0x12EF, | |
| 0x130F...0x130F, | |
| 0x1311...0x1311, | |
| 0x1316...0x1317, | |
| 0x131F...0x131F, | |
| 0x1347...0x1347, | |
| 0x135B...0x1360, | |
| 0x137D...0x139F, | |
| 0x13F5...0x1400, | |
| 0x1677...0x167F, | |
| 0x169D...0x169F, | |
| 0x16F1...0x16FF, | |
| 0x170D...0x170D, | |
| 0x1715...0x171F, | |
| 0x1737...0x173F, | |
| 0x1754...0x175F, | |
| 0x176D...0x176D, | |
| 0x1771...0x1771, | |
| 0x1774...0x177F, | |
| 0x17DD...0x17DF, | |
| 0x17EA...0x17FF, | |
| 0x180F...0x180F, | |
| 0x181A...0x181F, | |
| 0x1878...0x187F, | |
| 0x18AA...0x1DFF, | |
| 0x1E9C...0x1E9F, | |
| 0x1EFA...0x1EFF, | |
| 0x1F16...0x1F17, | |
| 0x1F1E...0x1F1F, | |
| 0x1F46...0x1F47, | |
| 0x1F4E...0x1F4F, | |
| 0x1F58...0x1F58, | |
| 0x1F5A...0x1F5A, | |
| 0x1F5C...0x1F5C, | |
| 0x1F5E...0x1F5E, | |
| 0x1F7E...0x1F7F, | |
| 0x1FB5...0x1FB5, | |
| 0x1FC5...0x1FC5, | |
| 0x1FD4...0x1FD5, | |
| 0x1FDC...0x1FDC, | |
| 0x1FF0...0x1FF1, | |
| 0x1FF5...0x1FF5, | |
| 0x1FFF...0x1FFF, | |
| 0x2053...0x2056, | |
| 0x2058...0x205E, | |
| 0x2064...0x2069, | |
| 0x2072...0x2073, | |
| 0x208F...0x209F, | |
| 0x20B2...0x20CF, | |
| 0x20EB...0x20FF, | |
| 0x213B...0x213C, | |
| 0x214C...0x2152, | |
| 0x2184...0x218F, | |
| 0x23CF...0x23FF, | |
| 0x2427...0x243F, | |
| 0x244B...0x245F, | |
| 0x24FF...0x24FF, | |
| 0x2614...0x2615, | |
| 0x2618...0x2618, | |
| 0x267E...0x267F, | |
| 0x268A...0x2700, | |
| 0x2705...0x2705, | |
| 0x270A...0x270B, | |
| 0x2728...0x2728, | |
| 0x274C...0x274C, | |
| 0x274E...0x274E, | |
| 0x2753...0x2755, | |
| 0x2757...0x2757, | |
| 0x275F...0x2760, | |
| 0x2795...0x2797, | |
| 0x27B0...0x27B0, | |
| 0x27BF...0x27CF, | |
| 0x27EC...0x27EF, | |
| 0x2B00...0x2E7F, | |
| 0x2E9A...0x2E9A, | |
| 0x2EF4...0x2EFF, | |
| 0x2FD6...0x2FEF, | |
| 0x2FFC...0x2FFF, | |
| 0x3040...0x3040, | |
| 0x3097...0x3098, | |
| 0x3100...0x3104, | |
| 0x312D...0x3130, | |
| 0x318F...0x318F, | |
| 0x31B8...0x31EF, | |
| 0x321D...0x321F, | |
| 0x3244...0x3250, | |
| 0x327C...0x327E, | |
| 0x32CC...0x32CF, | |
| 0x32FF...0x32FF, | |
| 0x3377...0x337A, | |
| 0x33DE...0x33DF, | |
| 0x33FF...0x33FF, | |
| 0x4DB6...0x4DFF, | |
| 0x9FA6...0x9FFF, | |
| 0xA48D...0xA48F, | |
| 0xA4C7...0xABFF, | |
| 0xD7A4...0xD7FF, | |
| 0xFA2E...0xFA2F, | |
| 0xFA6B...0xFAFF, | |
| 0xFB07...0xFB12, | |
| 0xFB18...0xFB1C, | |
| 0xFB37...0xFB37, | |
| 0xFB3D...0xFB3D, | |
| 0xFB3F...0xFB3F, | |
| 0xFB42...0xFB42, | |
| 0xFB45...0xFB45, | |
| 0xFBB2...0xFBD2, | |
| 0xFD40...0xFD4F, | |
| 0xFD90...0xFD91, | |
| 0xFDC8...0xFDCF, | |
| 0xFDFD...0xFDFF, | |
| 0xFE10...0xFE1F, | |
| 0xFE24...0xFE2F, | |
| 0xFE47...0xFE48, | |
| 0xFE53...0xFE53, | |
| 0xFE67...0xFE67, | |
| 0xFE6C...0xFE6F, | |
| 0xFE75...0xFE75, | |
| 0xFEFD...0xFEFE, | |
| 0xFF00...0xFF00, | |
| 0xFFBF...0xFFC1, | |
| 0xFFC8...0xFFC9, | |
| 0xFFD0...0xFFD1, | |
| 0xFFD8...0xFFD9, | |
| 0xFFDD...0xFFDF, | |
| 0xFFE7...0xFFE7, | |
| 0xFFEF...0xFFF8, | |
| 0x10000...0x102FF, | |
| 0x1031F...0x1031F, | |
| 0x10324...0x1032F, | |
| 0x1034B...0x103FF, | |
| 0x10426...0x10427, | |
| 0x1044E...0x1CFFF, | |
| 0x1D0F6...0x1D0FF, | |
| 0x1D127...0x1D129, | |
| 0x1D1DE...0x1D3FF, | |
| 0x1D455...0x1D455, | |
| 0x1D49D...0x1D49D, | |
| 0x1D4A0...0x1D4A1, | |
| 0x1D4A3...0x1D4A4, | |
| 0x1D4A7...0x1D4A8, | |
| 0x1D4AD...0x1D4AD, | |
| 0x1D4BA...0x1D4BA, | |
| 0x1D4BC...0x1D4BC, | |
| 0x1D4C1...0x1D4C1, | |
| 0x1D4C4...0x1D4C4, | |
| 0x1D506...0x1D506, | |
| 0x1D50B...0x1D50C, | |
| 0x1D515...0x1D515, | |
| 0x1D51D...0x1D51D, | |
| 0x1D53A...0x1D53A, | |
| 0x1D53F...0x1D53F, | |
| 0x1D545...0x1D545, | |
| 0x1D547...0x1D549, | |
| 0x1D551...0x1D551, | |
| 0x1D6A4...0x1D6A7, | |
| 0x1D7CA...0x1D7CD, | |
| 0x1D800...0x1FFFD, | |
| 0x2A6D7...0x2F7FF, | |
| 0x2FA1E...0x2FFFD, | |
| 0x30000...0x3FFFD, | |
| 0x40000...0x4FFFD, | |
| 0x50000...0x5FFFD, | |
| 0x60000...0x6FFFD, | |
| 0x70000...0x7FFFD, | |
| 0x80000...0x8FFFD, | |
| 0x90000...0x9FFFD, | |
| 0xA0000...0xAFFFD, | |
| 0xB0000...0xBFFFD, | |
| 0xC0000...0xCFFFD, | |
| 0xD0000...0xDFFFD, | |
| 0xE0000...0xE0000, | |
| 0xE0002...0xE001F, | |
| 0xE0080...0xEFFFD | |
| ] | |
| return ranges.contains { $0.contains(value) } | |
| } | |
| // RFC 3454 table D.1 | |
| var isRandALCat: Bool { | |
| let ranges: [ClosedRange<UInt32>] = [ | |
| 0x05BE...0x05BE, | |
| 0x05C0...0x05C0, | |
| 0x05C3...0x05C3, | |
| 0x05D0...0x05EA, | |
| 0x05F0...0x05F4, | |
| 0x061B...0x061B, | |
| 0x061F...0x061F, | |
| 0x0621...0x063A, | |
| 0x0640...0x064A, | |
| 0x066D...0x066F, | |
| 0x0671...0x06D5, | |
| 0x06DD...0x06DD, | |
| 0x06E5...0x06E6, | |
| 0x06FA...0x06FE, | |
| 0x0700...0x070D, | |
| 0x0710...0x0710, | |
| 0x0712...0x072C, | |
| 0x0780...0x07A5, | |
| 0x07B1...0x07B1, | |
| 0x200F...0x200F, | |
| 0xFB1D...0xFB1D, | |
| 0xFB1F...0xFB28, | |
| 0xFB2A...0xFB36, | |
| 0xFB38...0xFB3C, | |
| 0xFB3E...0xFB3E, | |
| 0xFB40...0xFB41, | |
| 0xFB43...0xFB44, | |
| 0xFB46...0xFBB1, | |
| 0xFBD3...0xFD3D, | |
| 0xFD50...0xFD8F, | |
| 0xFD92...0xFDC7, | |
| 0xFDF0...0xFDFC, | |
| 0xFE70...0xFE74, | |
| 0xFE76...0xFEFC ] | |
| return ranges.contains { $0.contains(value) } | |
| } | |
| // RFC 3454 table D.2 | |
| var isLCat: Bool { | |
| let ranges: [ClosedRange<UInt32>] = [ | |
| 0x0041...0x005A, | |
| 0x0061...0x007A, | |
| 0x00AA...0x00AA, | |
| 0x00B5...0x00B5, | |
| 0x00BA...0x00BA, | |
| 0x00C0...0x00D6, | |
| 0x00D8...0x00F6, | |
| 0x00F8...0x0220, | |
| 0x0222...0x0233, | |
| 0x0250...0x02AD, | |
| 0x02B0...0x02B8, | |
| 0x02BB...0x02C1, | |
| 0x02D0...0x02D1, | |
| 0x02E0...0x02E4, | |
| 0x02EE...0x02EE, | |
| 0x037A...0x037A, | |
| 0x0386...0x0386, | |
| 0x0388...0x038A, | |
| 0x038C...0x038C, | |
| 0x038E...0x03A1, | |
| 0x03A3...0x03CE, | |
| 0x03D0...0x03F5, | |
| 0x0400...0x0482, | |
| 0x048A...0x04CE, | |
| 0x04D0...0x04F5, | |
| 0x04F8...0x04F9, | |
| 0x0500...0x050F, | |
| 0x0531...0x0556, | |
| 0x0559...0x055F, | |
| 0x0561...0x0587, | |
| 0x0589...0x0589, | |
| 0x0903...0x0903, | |
| 0x0905...0x0939, | |
| 0x093D...0x0940, | |
| 0x0949...0x094C, | |
| 0x0950...0x0950, | |
| 0x0958...0x0961, | |
| 0x0964...0x0970, | |
| 0x0982...0x0983, | |
| 0x0985...0x098C, | |
| 0x098F...0x0990, | |
| 0x0993...0x09A8, | |
| 0x09AA...0x09B0, | |
| 0x09B2...0x09B2, | |
| 0x09B6...0x09B9, | |
| 0x09BE...0x09C0, | |
| 0x09C7...0x09C8, | |
| 0x09CB...0x09CC, | |
| 0x09D7...0x09D7, | |
| 0x09DC...0x09DD, | |
| 0x09DF...0x09E1, | |
| 0x09E6...0x09F1, | |
| 0x09F4...0x09FA, | |
| 0x0A05...0x0A0A, | |
| 0x0A0F...0x0A10, | |
| 0x0A13...0x0A28, | |
| 0x0A2A...0x0A30, | |
| 0x0A32...0x0A33, | |
| 0x0A35...0x0A36, | |
| 0x0A38...0x0A39, | |
| 0x0A3E...0x0A40, | |
| 0x0A59...0x0A5C, | |
| 0x0A5E...0x0A5E, | |
| 0x0A66...0x0A6F, | |
| 0x0A72...0x0A74, | |
| 0x0A83...0x0A83, | |
| 0x0A85...0x0A8B, | |
| 0x0A8D...0x0A8D, | |
| 0x0A8F...0x0A91, | |
| 0x0A93...0x0AA8, | |
| 0x0AAA...0x0AB0, | |
| 0x0AB2...0x0AB3, | |
| 0x0AB5...0x0AB9, | |
| 0x0ABD...0x0AC0, | |
| 0x0AC9...0x0AC9, | |
| 0x0ACB...0x0ACC, | |
| 0x0AD0...0x0AD0, | |
| 0x0AE0...0x0AE0, | |
| 0x0AE6...0x0AEF, | |
| 0x0B02...0x0B03, | |
| 0x0B05...0x0B0C, | |
| 0x0B0F...0x0B10, | |
| 0x0B13...0x0B28, | |
| 0x0B2A...0x0B30, | |
| 0x0B32...0x0B33, | |
| 0x0B36...0x0B39, | |
| 0x0B3D...0x0B3E, | |
| 0x0B40...0x0B40, | |
| 0x0B47...0x0B48, | |
| 0x0B4B...0x0B4C, | |
| 0x0B57...0x0B57, | |
| 0x0B5C...0x0B5D, | |
| 0x0B5F...0x0B61, | |
| 0x0B66...0x0B70, | |
| 0x0B83...0x0B83, | |
| 0x0B85...0x0B8A, | |
| 0x0B8E...0x0B90, | |
| 0x0B92...0x0B95, | |
| 0x0B99...0x0B9A, | |
| 0x0B9C...0x0B9C, | |
| 0x0B9E...0x0B9F, | |
| 0x0BA3...0x0BA4, | |
| 0x0BA8...0x0BAA, | |
| 0x0BAE...0x0BB5, | |
| 0x0BB7...0x0BB9, | |
| 0x0BBE...0x0BBF, | |
| 0x0BC1...0x0BC2, | |
| 0x0BC6...0x0BC8, | |
| 0x0BCA...0x0BCC, | |
| 0x0BD7...0x0BD7, | |
| 0x0BE7...0x0BF2, | |
| 0x0C01...0x0C03, | |
| 0x0C05...0x0C0C, | |
| 0x0C0E...0x0C10, | |
| 0x0C12...0x0C28, | |
| 0x0C2A...0x0C33, | |
| 0x0C35...0x0C39, | |
| 0x0C41...0x0C44, | |
| 0x0C60...0x0C61, | |
| 0x0C66...0x0C6F, | |
| 0x0C82...0x0C83, | |
| 0x0C85...0x0C8C, | |
| 0x0C8E...0x0C90, | |
| 0x0C92...0x0CA8, | |
| 0x0CAA...0x0CB3, | |
| 0x0CB5...0x0CB9, | |
| 0x0CBE...0x0CBE, | |
| 0x0CC0...0x0CC4, | |
| 0x0CC7...0x0CC8, | |
| 0x0CCA...0x0CCB, | |
| 0x0CD5...0x0CD6, | |
| 0x0CDE...0x0CDE, | |
| 0x0CE0...0x0CE1, | |
| 0x0CE6...0x0CEF, | |
| 0x0D02...0x0D03, | |
| 0x0D05...0x0D0C, | |
| 0x0D0E...0x0D10, | |
| 0x0D12...0x0D28, | |
| 0x0D2A...0x0D39, | |
| 0x0D3E...0x0D40, | |
| 0x0D46...0x0D48, | |
| 0x0D4A...0x0D4C, | |
| 0x0D57...0x0D57, | |
| 0x0D60...0x0D61, | |
| 0x0D66...0x0D6F, | |
| 0x0D82...0x0D83, | |
| 0x0D85...0x0D96, | |
| 0x0D9A...0x0DB1, | |
| 0x0DB3...0x0DBB, | |
| 0x0DBD...0x0DBD, | |
| 0x0DC0...0x0DC6, | |
| 0x0DCF...0x0DD1, | |
| 0x0DD8...0x0DDF, | |
| 0x0DF2...0x0DF4, | |
| 0x0E01...0x0E30, | |
| 0x0E32...0x0E33, | |
| 0x0E40...0x0E46, | |
| 0x0E4F...0x0E5B, | |
| 0x0E81...0x0E82, | |
| 0x0E84...0x0E84, | |
| 0x0E87...0x0E88, | |
| 0x0E8A...0x0E8A, | |
| 0x0E8D...0x0E8D, | |
| 0x0E94...0x0E97, | |
| 0x0E99...0x0E9F, | |
| 0x0EA1...0x0EA3, | |
| 0x0EA5...0x0EA5, | |
| 0x0EA7...0x0EA7, | |
| 0x0EAA...0x0EAB, | |
| 0x0EAD...0x0EB0, | |
| 0x0EB2...0x0EB3, | |
| 0x0EBD...0x0EBD, | |
| 0x0EC0...0x0EC4, | |
| 0x0EC6...0x0EC6, | |
| 0x0ED0...0x0ED9, | |
| 0x0EDC...0x0EDD, | |
| 0x0F00...0x0F17, | |
| 0x0F1A...0x0F34, | |
| 0x0F36...0x0F36, | |
| 0x0F38...0x0F38, | |
| 0x0F3E...0x0F47, | |
| 0x0F49...0x0F6A, | |
| 0x0F7F...0x0F7F, | |
| 0x0F85...0x0F85, | |
| 0x0F88...0x0F8B, | |
| 0x0FBE...0x0FC5, | |
| 0x0FC7...0x0FCC, | |
| 0x0FCF...0x0FCF, | |
| 0x1000...0x1021, | |
| 0x1023...0x1027, | |
| 0x1029...0x102A, | |
| 0x102C...0x102C, | |
| 0x1031...0x1031, | |
| 0x1038...0x1038, | |
| 0x1040...0x1057, | |
| 0x10A0...0x10C5, | |
| 0x10D0...0x10F8, | |
| 0x10FB...0x10FB, | |
| 0x1100...0x1159, | |
| 0x115F...0x11A2, | |
| 0x11A8...0x11F9, | |
| 0x1200...0x1206, | |
| 0x1208...0x1246, | |
| 0x1248...0x1248, | |
| 0x124A...0x124D, | |
| 0x1250...0x1256, | |
| 0x1258...0x1258, | |
| 0x125A...0x125D, | |
| 0x1260...0x1286, | |
| 0x1288...0x1288, | |
| 0x128A...0x128D, | |
| 0x1290...0x12AE, | |
| 0x12B0...0x12B0, | |
| 0x12B2...0x12B5, | |
| 0x12B8...0x12BE, | |
| 0x12C0...0x12C0, | |
| 0x12C2...0x12C5, | |
| 0x12C8...0x12CE, | |
| 0x12D0...0x12D6, | |
| 0x12D8...0x12EE, | |
| 0x12F0...0x130E, | |
| 0x1310...0x1310, | |
| 0x1312...0x1315, | |
| 0x1318...0x131E, | |
| 0x1320...0x1346, | |
| 0x1348...0x135A, | |
| 0x1361...0x137C, | |
| 0x13A0...0x13F4, | |
| 0x1401...0x1676, | |
| 0x1681...0x169A, | |
| 0x16A0...0x16F0, | |
| 0x1700...0x170C, | |
| 0x170E...0x1711, | |
| 0x1720...0x1731, | |
| 0x1735...0x1736, | |
| 0x1740...0x1751, | |
| 0x1760...0x176C, | |
| 0x176E...0x1770, | |
| 0x1780...0x17B6, | |
| 0x17BE...0x17C5, | |
| 0x17C7...0x17C8, | |
| 0x17D4...0x17DA, | |
| 0x17DC...0x17DC, | |
| 0x17E0...0x17E9, | |
| 0x1810...0x1819, | |
| 0x1820...0x1877, | |
| 0x1880...0x18A8, | |
| 0x1E00...0x1E9B, | |
| 0x1EA0...0x1EF9, | |
| 0x1F00...0x1F15, | |
| 0x1F18...0x1F1D, | |
| 0x1F20...0x1F45, | |
| 0x1F48...0x1F4D, | |
| 0x1F50...0x1F57, | |
| 0x1F59...0x1F59, | |
| 0x1F5B...0x1F5B, | |
| 0x1F5D...0x1F5D, | |
| 0x1F5F...0x1F7D, | |
| 0x1F80...0x1FB4, | |
| 0x1FB6...0x1FBC, | |
| 0x1FBE...0x1FBE, | |
| 0x1FC2...0x1FC4, | |
| 0x1FC6...0x1FCC, | |
| 0x1FD0...0x1FD3, | |
| 0x1FD6...0x1FDB, | |
| 0x1FE0...0x1FEC, | |
| 0x1FF2...0x1FF4, | |
| 0x1FF6...0x1FFC, | |
| 0x200E...0x200E, | |
| 0x2071...0x2071, | |
| 0x207F...0x207F, | |
| 0x2102...0x2102, | |
| 0x2107...0x2107, | |
| 0x210A...0x2113, | |
| 0x2115...0x2115, | |
| 0x2119...0x211D, | |
| 0x2124...0x2124, | |
| 0x2126...0x2126, | |
| 0x2128...0x2128, | |
| 0x212A...0x212D, | |
| 0x212F...0x2131, | |
| 0x2133...0x2139, | |
| 0x213D...0x213F, | |
| 0x2145...0x2149, | |
| 0x2160...0x2183, | |
| 0x2336...0x237A, | |
| 0x2395...0x2395, | |
| 0x249C...0x24E9, | |
| 0x3005...0x3007, | |
| 0x3021...0x3029, | |
| 0x3031...0x3035, | |
| 0x3038...0x303C, | |
| 0x3041...0x3096, | |
| 0x309D...0x309F, | |
| 0x30A1...0x30FA, | |
| 0x30FC...0x30FF, | |
| 0x3105...0x312C, | |
| 0x3131...0x318E, | |
| 0x3190...0x31B7, | |
| 0x31F0...0x321C, | |
| 0x3220...0x3243, | |
| 0x3260...0x327B, | |
| 0x327F...0x32B0, | |
| 0x32C0...0x32CB, | |
| 0x32D0...0x32FE, | |
| 0x3300...0x3376, | |
| 0x337B...0x33DD, | |
| 0x33E0...0x33FE, | |
| 0x3400...0x4DB5, | |
| 0x4E00...0x9FA5, | |
| 0xA000...0xA48C, | |
| 0xAC00...0xD7A3, | |
| 0xD800...0xFA2D, | |
| 0xFA30...0xFA6A, | |
| 0xFB00...0xFB06, | |
| 0xFB13...0xFB17, | |
| 0xFF21...0xFF3A, | |
| 0xFF41...0xFF5A, | |
| 0xFF66...0xFFBE, | |
| 0xFFC2...0xFFC7, | |
| 0xFFCA...0xFFCF, | |
| 0xFFD2...0xFFD7, | |
| 0xFFDA...0xFFDC, | |
| 0x10300...0x1031E, | |
| 0x10320...0x10323, | |
| 0x10330...0x1034A, | |
| 0x10400...0x10425, | |
| 0x10428...0x1044D, | |
| 0x1D000...0x1D0F5, | |
| 0x1D100...0x1D126, | |
| 0x1D12A...0x1D166, | |
| 0x1D16A...0x1D172, | |
| 0x1D183...0x1D184, | |
| 0x1D18C...0x1D1A9, | |
| 0x1D1AE...0x1D1DD, | |
| 0x1D400...0x1D454, | |
| 0x1D456...0x1D49C, | |
| 0x1D49E...0x1D49F, | |
| 0x1D4A2...0x1D4A2, | |
| 0x1D4A5...0x1D4A6, | |
| 0x1D4A9...0x1D4AC, | |
| 0x1D4AE...0x1D4B9, | |
| 0x1D4BB...0x1D4BB, | |
| 0x1D4BD...0x1D4C0, | |
| 0x1D4C2...0x1D4C3, | |
| 0x1D4C5...0x1D505, | |
| 0x1D507...0x1D50A, | |
| 0x1D50D...0x1D514, | |
| 0x1D516...0x1D51C, | |
| 0x1D51E...0x1D539, | |
| 0x1D53B...0x1D53E, | |
| 0x1D540...0x1D544, | |
| 0x1D546...0x1D546, | |
| 0x1D54A...0x1D550, | |
| 0x1D552...0x1D6A3, | |
| 0x1D6A8...0x1D7C9, | |
| 0x20000...0x2A6D6, | |
| 0x2F800...0x2FA1D, | |
| 0xF0000...0xFFFFD, | |
| 0x100000...0x10FFFD ] | |
| return ranges.contains { $0.contains(value) } | |
| } | |
| } | |
| // EOF |
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