仕様書

[1] UAX #44: Unicode Character Database
- [8] https://www.unicode.org/reports/tr44/#Default_Values_Table
- [9] https://www.unicode.org/reports/tr44/#Complex_Default_Values
- [2] https://www.unicode.org/reports/tr44/#Bidi_Class
- [3] https://www.unicode.org/reports/tr44/#Extracted_Properties_Table
- [4] https://www.unicode.org/reports/tr44/#Bidi_Class_Values
[5] UAX #9: Unicode Bidirectional Algorithm https://www.unicode.org/reports/tr9/#Bidirectional_Character_Types
[7] (2019-03-12 02:21:22 +09:00) https://unicode.org/Public/UCD/latest/ucd/extracted/DerivedBidiClass.txt
- [6] 旧: https://www.unicode.org/Public/UNIDATA/extracted/DerivedBidiClass.txt

データファイル

[10] UCD の UnicodeData.txt に含まれています。

[11] UCD の DerivedBidiClass.txt >>7 にも含まれています。こちらの方が使いやすい形式かもしれません。

値

[12] Bidi_Class には次の種類があります。

c: 分類Category >>5
t: 型Type >>5 (Bidi_Class)
list: 一覧

c: 強Strong
t: L
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AL

c: 強Strong
t: R
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AR

c: 強Strong
t: AL
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AAL

c: 弱Weak
t: EN
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AEN

c: 弱Weak
t: ES
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AES

c: 弱Weak
t: ET
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AET

c: 弱Weak
t: AN
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AAN

c: 弱Weak
t: CS
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3ACS

c: 弱Weak
t: NSM
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3ANSM

c: 弱Weak
t: BN
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3ABN

c: 中立Neutral
t: B
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AB

c: 中立Neutral
t: S
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AS

c: 中立Neutral
t: WS
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AWS

c: 中立Neutral
t: ON
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AON

c: 明示的書式付けExplicit Formatting
t: LRE
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3ALRE

c: 明示的書式付けExplicit Formatting
t: LRC
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3ALRC

c: 明示的書式付けExplicit Formatting
t: RLE
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3ARLE

c: 明示的書式付けExplicit Formatting
t: RLC
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3ARLC

c: 明示的書式付けExplicit Formatting
t: PDF
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3APDF

c: 明示的書式付けExplicit Formatting
t: LRI
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3ALRI

c: 明示的書式付けExplicit Formatting
t: RLI
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3ARLI

c: 明示的書式付けExplicit Formatting
t: FSI
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3AFSI

c: 明示的書式付けExplicit Formatting
t: PDI
list: https://chars.suikawiki.org/set/%24unicode%3ABidi_Class%3APDI

[13] 文字が割り当てられている符号位置だけでなく、未割当符号位置にもいずれかの値が決められています。アラビア文字のブロックの空き位置はアラビア文字用の値、というようにブロックごとの値が予め決められています。

メモ