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48 lines
1.6 KiB
48 lines
1.6 KiB
#!/usr/bin/env python3
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# Script to generate CharacterCategory.cxx from Python's Unicode data
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# Should be run rarely when a Python with a new version of Unicode data is available.
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# Requires Python 3.3 or later
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# Should not be run with old versions of Python.
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import codecs, os, platform, sys, unicodedata
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from FileGenerator import Regenerate
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def findCategories(filename):
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with codecs.open(filename, "r", "UTF-8") as infile:
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lines = [x.strip() for x in infile.readlines() if "\tcc" in x]
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values = "".join(lines).replace(" ","").split(",")
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print(values)
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return [v[2:] for v in values]
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def updateCharacterCategory(filename):
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values = ["// Created with Python %s, Unicode %s" % (
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platform.python_version(), unicodedata.unidata_version)]
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startRange = 0
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category = unicodedata.category(chr(startRange))
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table = []
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for ch in range(sys.maxunicode):
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uch = chr(ch)
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current = unicodedata.category(uch)
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if current != category:
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value = startRange * 32 + categories.index(category)
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table.append(value)
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category = current
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startRange = ch
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value = startRange * 32 + categories.index(category)
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table.append(value)
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# the sentinel value is used to simplify CharacterCategoryMap::Optimize()
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category = 'Cn'
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value = (sys.maxunicode + 1)*32 + categories.index(category)
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table.append(value)
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values.extend(["%d," % value for value in table])
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Regenerate(filename, "//", values)
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categories = findCategories("../lexlib/CharacterCategory.h")
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updateCharacterCategory("../lexlib/CharacterCategory.cxx")
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