trieval.go

Documentation: golang.org/x/text/secure/precis

     1  // Code generated by running "go generate" in golang.org/x/text. DO NOT EDIT.
     2  
     3  package precis
     4  
     5  // entry is the entry of a trie table
     6  // 7..6   property (unassigned, disallowed, maybe, valid)
     7  // 5..0   category
     8  type entry uint8
     9  
    10  const (
    11  	propShift = 6
    12  	propMask  = 0xc0
    13  	catMask   = 0x3f
    14  )
    15  
    16  func (e entry) property() property { return property(e & propMask) }
    17  func (e entry) category() category { return category(e & catMask) }
    18  
    19  type property uint8
    20  
    21  // The order of these constants matter. A Profile may consider runes to be
    22  // allowed either from pValid or idDisOrFreePVal.
    23  const (
    24  	unassigned property = iota << propShift
    25  	disallowed
    26  	idDisOrFreePVal // disallowed for Identifier, pValid for FreeForm
    27  	pValid
    28  )
    29  
    30  // compute permutations of all properties and specialCategories.
    31  type category uint8
    32  
    33  const (
    34  	other category = iota
    35  
    36  	// Special rune types
    37  	joiningL
    38  	joiningD
    39  	joiningT
    40  	joiningR
    41  	viramaModifier
    42  	viramaJoinT // Virama + JoiningT
    43  	latinSmallL // U+006c
    44  	greek
    45  	greekJoinT // Greek + JoiningT
    46  	hebrew
    47  	hebrewJoinT // Hebrew + JoiningT
    48  	japanese    // hirigana, katakana, han
    49  
    50  	// Special rune types associated with contextual rules defined in
    51  	// https://tools.ietf.org/html/rfc5892#appendix-A.
    52  	// ContextO
    53  	zeroWidthNonJoiner // rule 1
    54  	zeroWidthJoiner    // rule 2
    55  	// ContextJ
    56  	middleDot                // rule 3
    57  	greekLowerNumeralSign    // rule 4
    58  	hebrewPreceding          // rule 5 and 6
    59  	katakanaMiddleDot        // rule 7
    60  	arabicIndicDigit         // rule 8
    61  	extendedArabicIndicDigit // rule 9
    62  
    63  	numCategories
    64  )
    65
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