diff options
Diffstat (limited to 'Tools/unicode/makeunicodedata.py')
| -rw-r--r-- | Tools/unicode/makeunicodedata.py | 50 |
1 files changed, 35 insertions, 15 deletions
diff --git a/Tools/unicode/makeunicodedata.py b/Tools/unicode/makeunicodedata.py index 140fc64..0795d9e 100644 --- a/Tools/unicode/makeunicodedata.py +++ b/Tools/unicode/makeunicodedata.py @@ -49,6 +49,7 @@ LINE_BREAK = "LineBreak%s.txt" NAME_ALIASES = "NameAliases%s.txt" NAMED_SEQUENCES = "NamedSequences%s.txt" SPECIAL_CASING = "SpecialCasing%s.txt" +CASE_FOLDING = "CaseFolding%s.txt" # Private Use Areas -- in planes 1, 15, 16 PUA_1 = range(0xE000, 0xF900) @@ -424,28 +425,36 @@ def makeunicodetype(unicode, trace): if "Case_Ignorable" in properties: flags |= CASE_IGNORABLE_MASK sc = unicode.special_casing.get(char) + cf = unicode.case_folding.get(char, [char]) + if record[12]: + upper = int(record[12], 16) + else: + upper = char + if record[13]: + lower = int(record[13], 16) + else: + lower = char + if record[14]: + title = int(record[14], 16) + else: + title = upper + if sc is None and cf != [lower]: + sc = ([lower], [title], [upper]) if sc is None: - if record[12]: - upper = int(record[12], 16) - else: - upper = char - if record[13]: - lower = int(record[13], 16) - else: - lower = char - if record[14]: - title = int(record[14], 16) - else: - title = upper if upper == lower == title: upper = lower = title = 0 else: - # This happens when some character maps to more than one - # character in uppercase, lowercase, or titlecase. The extra - # characters are stored in a different array. + # This happens either when some character maps to more than one + # character in uppercase, lowercase, or titlecase or the + # casefolded version of the character is different from the + # lowercase. The extra characters are stored in a different + # array. flags |= EXTENDED_CASE_MASK lower = len(extra_casing) | (len(sc[0]) << 24) extra_casing.extend(sc[0]) + if cf != sc[0]: + lower |= len(cf) << 20 + extra_casing.extend(cf) upper = len(extra_casing) | (len(sc[2]) << 24) extra_casing.extend(sc[2]) # Title is probably equal to upper. @@ -1107,6 +1116,17 @@ class UnicodeData: title = [int(char, 16) for char in data[2].split()] upper = [int(char, 16) for char in data[3].split()] sc[c] = (lower, title, upper) + cf = self.case_folding = {} + if version != '3.2.0': + with open_data(CASE_FOLDING, version) as file: + for s in file: + s = s[:-1].split('#', 1)[0] + if not s: + continue + data = s.split("; ") + if data[1] in "CF": + c = int(data[0], 16) + cf[c] = [int(char, 16) for char in data[2].split()] def uselatin1(self): # restrict character range to ISO Latin 1 |