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# Script to generate CharacterCategory.cxx from Python's Unicode data
# Should be run rarely when a Python with a new version of Unicode data is available.
# Requires Python 3.3 or later
# Should not be run with old versions of Python.
import codecs, os, platform, sys, unicodedata
from FileGenerator import Regenerate
def findCategories(filename):
with codecs.open(filename, "r", "UTF-8") as infile:
lines = [x.strip() for x in infile.readlines() if "\tcc" in x]
values = "".join(lines).replace(" ","").split(",")
print(values)
return [v[2:] for v in values]
def updateCharacterCategory(filename):
values = ["// Created with Python %s, Unicode %s" % (
platform.python_version(), unicodedata.unidata_version)]
category = unicodedata.category(chr(0))
startRange = 0
for ch in range(sys.maxunicode):
uch = chr(ch)
if unicodedata.category(uch) != category:
value = startRange * 32 + categories.index(category)
values.append("%d," % value)
category = unicodedata.category(uch)
startRange = ch
value = startRange * 32 + categories.index(category)
values.append("%d," % value)
Regenerate(filename, "//", values)
categories = findCategories("../lexlib/CharacterCategory.h")
updateCharacterCategory("../lexlib/CharacterCategory.cxx")
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