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- # Copyright 2021 Behdad Esfahbod. All Rights Reserved.
- def is_Default_Ignorable(u):
- # http://www.unicode.org/reports/tr44/#Default_Ignorable_Code_Point
- #
- # TODO Move me to unicodedata module and autogenerate.
- #
- # Unicode 14.0:
- # $ grep '; Default_Ignorable_Code_Point ' DerivedCoreProperties.txt | sed 's/;.*#/#/'
- # 00AD # Cf SOFT HYPHEN
- # 034F # Mn COMBINING GRAPHEME JOINER
- # 061C # Cf ARABIC LETTER MARK
- # 115F..1160 # Lo [2] HANGUL CHOSEONG FILLER..HANGUL JUNGSEONG FILLER
- # 17B4..17B5 # Mn [2] KHMER VOWEL INHERENT AQ..KHMER VOWEL INHERENT AA
- # 180B..180D # Mn [3] MONGOLIAN FREE VARIATION SELECTOR ONE..MONGOLIAN FREE VARIATION SELECTOR THREE
- # 180E # Cf MONGOLIAN VOWEL SEPARATOR
- # 180F # Mn MONGOLIAN FREE VARIATION SELECTOR FOUR
- # 200B..200F # Cf [5] ZERO WIDTH SPACE..RIGHT-TO-LEFT MARK
- # 202A..202E # Cf [5] LEFT-TO-RIGHT EMBEDDING..RIGHT-TO-LEFT OVERRIDE
- # 2060..2064 # Cf [5] WORD JOINER..INVISIBLE PLUS
- # 2065 # Cn <reserved-2065>
- # 2066..206F # Cf [10] LEFT-TO-RIGHT ISOLATE..NOMINAL DIGIT SHAPES
- # 3164 # Lo HANGUL FILLER
- # FE00..FE0F # Mn [16] VARIATION SELECTOR-1..VARIATION SELECTOR-16
- # FEFF # Cf ZERO WIDTH NO-BREAK SPACE
- # FFA0 # Lo HALFWIDTH HANGUL FILLER
- # FFF0..FFF8 # Cn [9] <reserved-FFF0>..<reserved-FFF8>
- # 1BCA0..1BCA3 # Cf [4] SHORTHAND FORMAT LETTER OVERLAP..SHORTHAND FORMAT UP STEP
- # 1D173..1D17A # Cf [8] MUSICAL SYMBOL BEGIN BEAM..MUSICAL SYMBOL END PHRASE
- # E0000 # Cn <reserved-E0000>
- # E0001 # Cf LANGUAGE TAG
- # E0002..E001F # Cn [30] <reserved-E0002>..<reserved-E001F>
- # E0020..E007F # Cf [96] TAG SPACE..CANCEL TAG
- # E0080..E00FF # Cn [128] <reserved-E0080>..<reserved-E00FF>
- # E0100..E01EF # Mn [240] VARIATION SELECTOR-17..VARIATION SELECTOR-256
- # E01F0..E0FFF # Cn [3600] <reserved-E01F0>..<reserved-E0FFF>
- return (
- u == 0x00AD
- or u == 0x034F # Cf SOFT HYPHEN
- or u == 0x061C # Mn COMBINING GRAPHEME JOINER
- or 0x115F <= u <= 0x1160 # Cf ARABIC LETTER MARK
- or 0x17B4 # Lo [2] HANGUL CHOSEONG FILLER..HANGUL JUNGSEONG FILLER
- <= u
- <= 0x17B5
- or 0x180B # Mn [2] KHMER VOWEL INHERENT AQ..KHMER VOWEL INHERENT AA
- <= u
- <= 0x180D
- or u # Mn [3] MONGOLIAN FREE VARIATION SELECTOR ONE..MONGOLIAN FREE VARIATION SELECTOR THREE
- == 0x180E
- or u == 0x180F # Cf MONGOLIAN VOWEL SEPARATOR
- or 0x200B <= u <= 0x200F # Mn MONGOLIAN FREE VARIATION SELECTOR FOUR
- or 0x202A <= u <= 0x202E # Cf [5] ZERO WIDTH SPACE..RIGHT-TO-LEFT MARK
- or 0x2060 # Cf [5] LEFT-TO-RIGHT EMBEDDING..RIGHT-TO-LEFT OVERRIDE
- <= u
- <= 0x2064
- or u == 0x2065 # Cf [5] WORD JOINER..INVISIBLE PLUS
- or 0x2066 <= u <= 0x206F # Cn <reserved-2065>
- or u == 0x3164 # Cf [10] LEFT-TO-RIGHT ISOLATE..NOMINAL DIGIT SHAPES
- or 0xFE00 <= u <= 0xFE0F # Lo HANGUL FILLER
- or u == 0xFEFF # Mn [16] VARIATION SELECTOR-1..VARIATION SELECTOR-16
- or u == 0xFFA0 # Cf ZERO WIDTH NO-BREAK SPACE
- or 0xFFF0 <= u <= 0xFFF8 # Lo HALFWIDTH HANGUL FILLER
- or 0x1BCA0 <= u <= 0x1BCA3 # Cn [9] <reserved-FFF0>..<reserved-FFF8>
- or 0x1D173 # Cf [4] SHORTHAND FORMAT LETTER OVERLAP..SHORTHAND FORMAT UP STEP
- <= u
- <= 0x1D17A
- or u == 0xE0000 # Cf [8] MUSICAL SYMBOL BEGIN BEAM..MUSICAL SYMBOL END PHRASE
- or u == 0xE0001 # Cn <reserved-E0000>
- or 0xE0002 <= u <= 0xE001F # Cf LANGUAGE TAG
- or 0xE0020 <= u <= 0xE007F # Cn [30] <reserved-E0002>..<reserved-E001F>
- or 0xE0080 <= u <= 0xE00FF # Cf [96] TAG SPACE..CANCEL TAG
- or 0xE0100 <= u <= 0xE01EF # Cn [128] <reserved-E0080>..<reserved-E00FF>
- or 0xE01F0 # Mn [240] VARIATION SELECTOR-17..VARIATION SELECTOR-256
- <= u
- <= 0xE0FFF
- or False # Cn [3600] <reserved-E01F0>..<reserved-E0FFF>
- )
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