1 // Code generated by running "go generate" in golang.org/x/text. DO NOT EDIT. 2 3 package bidi 4 5 // Class is the Unicode BiDi class. Each rune has a single class. 6 type Class uint 7 8 const ( 9 L Class = iota // LeftToRight 10 R // RightToLeft 11 EN // EuropeanNumber 12 ES // EuropeanSeparator 13 ET // EuropeanTerminator 14 AN // ArabicNumber 15 CS // CommonSeparator 16 B // ParagraphSeparator 17 S // SegmentSeparator 18 WS // WhiteSpace 19 ON // OtherNeutral 20 BN // BoundaryNeutral 21 NSM // NonspacingMark 22 AL // ArabicLetter 23 Control // Control LRO - PDI 24 25 numClass 26 27 LRO // LeftToRightOverride 28 RLO // RightToLeftOverride 29 LRE // LeftToRightEmbedding 30 RLE // RightToLeftEmbedding 31 PDF // PopDirectionalFormat 32 LRI // LeftToRightIsolate 33 RLI // RightToLeftIsolate 34 FSI // FirstStrongIsolate 35 PDI // PopDirectionalIsolate 36 37 unknownClass = ^Class(0) 38 ) 39 40 var controlToClass = map[rune]Class{ 41 0x202D: LRO, // LeftToRightOverride, 42 0x202E: RLO, // RightToLeftOverride, 43 0x202A: LRE, // LeftToRightEmbedding, 44 0x202B: RLE, // RightToLeftEmbedding, 45 0x202C: PDF, // PopDirectionalFormat, 46 0x2066: LRI, // LeftToRightIsolate, 47 0x2067: RLI, // RightToLeftIsolate, 48 0x2068: FSI, // FirstStrongIsolate, 49 0x2069: PDI, // PopDirectionalIsolate, 50 } 51 52 // A trie entry has the following bits: 53 // 7..5 XOR mask for brackets 54 // 4 1: Bracket open, 0: Bracket close 55 // 3..0 Class type 56 57 const ( 58 openMask = 0x10 59 xorMaskShift = 5 60 ) 61