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mirror of https://github.com/rsms/inter.git synced 2024-12-28 18:11:30 +03:00
inter/misc/tools/unicode_util.py

105 lines
4.0 KiB
Python

#!/usr/bin/env python
# encoding: utf8
class MainCategories:
Letter = 'Letter'
Mark = 'Mark'
Number = 'Number'
Punctuation = 'Punctuation'
Symbol = 'Symbol'
Separator = 'Separator'
Control = 'Control'
Format = 'Format'
Surrogate = 'Surrogate'
PrivateUse = 'Private_Use'
Unassigned = 'Unassigned'
Other = 'Other'
GeneralCategories = {
'Lu': ('Uppercase_Letter', MainCategories.Letter),
'Ll': ('Lowercase_Letter', MainCategories.Letter),
'Lt': ('Titlecase_Letter', MainCategories.Letter),
'LC': ('Cased_Letter', MainCategories.Letter),
'Lm': ('Modifier_Letter', MainCategories.Letter),
'Lo': ('Other_Letter', MainCategories.Letter),
'L': ('Letter', MainCategories.Letter),
'Mn': ('Nonspacing_Mark', MainCategories.Mark),
'Mc': ('Spacing_Mark', MainCategories.Mark),
'Me': ('Enclosing_Mark', MainCategories.Mark),
'M': ('Mark', MainCategories.Mark),
'Nd': ('Decimal_Number', MainCategories.Number),
'Nl': ('Letter_Number', MainCategories.Number),
'No': ('Other_Number', MainCategories.Number),
'N': ('Number', MainCategories.Number),
'Pc': ('Connector_Punctuation', MainCategories.Punctuation),
'Pd': ('Dash_Punctuation', MainCategories.Punctuation),
'Ps': ('Open_Punctuation', MainCategories.Punctuation),
'Pe': ('Close_Punctuation', MainCategories.Punctuation),
'Pi': ('Initial_Punctuation', MainCategories.Punctuation),
'Pf': ('Final_Punctuation', MainCategories.Punctuation),
'Po': ('Other_Punctuation', MainCategories.Punctuation),
'P': ('Punctuation', MainCategories.Punctuation),
'Sm': ('Math_Symbol', MainCategories.Symbol),
'Sc': ('Currency_Symbol', MainCategories.Symbol),
'Sk': ('Modifier_Symbol', MainCategories.Symbol),
'So': ('Other_Symbol', MainCategories.Symbol),
'S': ('Symbol', MainCategories.Symbol),
'Zs': ('Space_Separator', MainCategories.Separator),
'Zl': ('Line_Separator', MainCategories.Separator),
'Zp': ('Paragraph_Separator', MainCategories.Separator),
'Z': ('Separator', MainCategories.Separator),
'Cc': ('Control', MainCategories.Control),
'Cf': ('Format', MainCategories.Format),
'Cs': ('Surrogate', MainCategories.Surrogate),
'Co': ('Private_Use', MainCategories.PrivateUse),
'Cn': ('Unassigned', MainCategories.Unassigned),
'C': ('Other', MainCategories.Other),
}
class Codepoint:
def __init__(self, v):
self.codePoint = int(v[0], 16)
self.name = v[1]
self.category = v[2]
c = GeneralCategories.get(self.category, ('', MainCategories.Other))
self.categoryName = c[0]
self.mainCategory = c[1]
self.decDigitValue = v[6]
self.numValue = v[8]
def isLetter(self): return self.mainCategory is MainCategories.Letter
def isMark(self): return self.mainCategory is MainCategories.Mark
def isNumber(self): return self.mainCategory is MainCategories.Number
def isPunctuation(self): return self.mainCategory is MainCategories.Punctuation
def isSymbol(self): return self.mainCategory is MainCategories.Symbol
def isSeparator(self): return self.mainCategory is MainCategories.Separator
def isControl(self): return self.mainCategory is MainCategories.Control
def isFormat(self): return self.mainCategory is MainCategories.Format
def isSurrogate(self): return self.mainCategory is MainCategories.Surrogate
def isPrivateUse(self): return self.mainCategory is MainCategories.PrivateUse
def isUnassigned(self): return self.mainCategory is MainCategories.Unassigned
def isOther(self): return self.mainCategory is MainCategories.Other
# http://www.unicode.org/Public/UCD/latest/ucd/UnicodeData.txt
def parseUnicodeDataFile(ucdFile): # { codepoint:int => Codepoint() }
ucd = {}
with open(ucdFile, 'r') as f:
for line in f:
# See http://unicode.org/reports/tr44/#UnicodeData.txt for fields
# e.g. "001D;<control>;Cc;0;B;;;;;N;INFORMATION SEPARATOR THREE;;;;"
if len(line) == 0 or line.startswith('#'):
continue
v = line.split(';')
if len(v) < 10:
continue
try:
cp = Codepoint(v)
ucd[cp.codePoint] = cp
except:
pass
return ucd