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#!/usr/bin/env python3
# Script to generate scintilla/src/CharacterCategoryMap.cxx and lexilla/lexlib/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 pathlib, platform, sys, unicodedata
from FileGenerator import Regenerate
def findCategories(filename):
with filename.open(encoding="UTF-8") as infile:
lines = [x.strip() for x in infile.readlines() if "\tcc" in x]
values = "".join(lines).replace(" ","").split(",")
print("Categrories:", values)
return [v[2:] for v in values]
def updateCharacterCategory(filename):
values = ["// Created with Python %s, Unicode %s" % (
platform.python_version(), unicodedata.unidata_version)]
startRange = 0
category = unicodedata.category(chr(startRange))
table = []
for ch in range(sys.maxunicode):
uch = chr(ch)
current = unicodedata.category(uch)
if current != category:
value = startRange * 32 + categories.index(category)
table.append(value)
category = current
startRange = ch
value = startRange * 32 + categories.index(category)
table.append(value)
# the sentinel value is used to simplify CharacterCategoryMap::Optimize()
category = 'Cn'
value = (sys.maxunicode + 1)*32 + categories.index(category)
table.append(value)
values.extend(["%d," % value for value in table])
Regenerate(filename, "//", values)
scintillaDirectory = pathlib.Path(__file__).resolve().parent.parent
categories = findCategories(scintillaDirectory / "src" / "CharacterCategoryMap.h")
updateCharacterCategory(scintillaDirectory / "src" / "CharacterCategoryMap.cxx")
updateCharacterCategory(scintillaDirectory.parent / "lexilla" / "lexlib" / "CharacterCategory.cxx")
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