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#!/usr/bin/env python3
# Copyright (C) 1998, 1999 Tom Tromey
# Copyright (C) 2001 Red Hat Software
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
"""
gen-casemap-txt.py - Generate test cases for case mapping from Unicode data.
See http://www.unicode.org/Public/UNIDATA/UnicodeCharacterDatabase.html
Usage:
I consider the output of this program to be unrestricted.
Use it as you will.
"""
import sys
import argparse
def main(argv):
parser = argparse.ArgumentParser(
description="Generate test cases for case mapping from Unicode data")
parser.add_argument("UNICODE-VERSION")
parser.add_argument("UnicodeData.txt")
parser.add_argument("SpecialCasing.txt")
args = parser.parse_args(argv[1:])
version = getattr(args, "UNICODE-VERSION")
filename_udata = getattr(args, "UnicodeData.txt")
filename_casing = getattr(args, "SpecialCasing.txt")
# Names of fields in Unicode data table.
CODE, NAME, CATEGORY, COMBINING_CLASSES, BIDI_CATEGORY, DECOMPOSITION, \
DECIMAL_VALUE, DIGIT_VALUE, NUMERIC_VALUE, MIRRORED, OLD_NAME, \
COMMENT, UPPER, LOWER, TITLE = range(15)
# Names of fields in the SpecialCasing table
CASE_CODE, CASE_LOWER, CASE_TITLE, CASE_UPPER, CASE_CONDITION = range(5)
upper = {}
title = {}
lower = {}
def make_hex(codes):
"""Converts a string of white space separated code points encoded as
hex values to a Unicode string. Any extra white space is ignored.
"""
return "".join([chr(int(c, 16)) for c in codes.split()])
def process_one(code, fields):
type_ = fields[CATEGORY]
if type_ == "Ll":
upper[code] = make_hex(fields[UPPER])
lower[code] = chr(code)
title[code] = make_hex(fields[TITLE])
elif type_ == "Lu":
lower[code] = make_hex(fields[LOWER])
upper[code] = chr(code)
title[code] = make_hex(fields[TITLE])
elif type_ == "Lt":
upper[code] = make_hex(fields[UPPER])
lower[code] = make_hex(fields[LOWER])
title[code] = make_hex(fields[LOWER])
with open(filename_udata, encoding="utf-8") as fileobj:
last_code = -1
for line in fileobj:
line = line.strip()
fields = [f.strip() for f in line.split(";")]
if len(fields) != 15:
raise SystemExit(
"Entry for %s has wrong number of fields (%d)" % (
fields[CODE], len(fields)))
code = int(fields[CODE], 16)
if code > last_code + 1:
# Found a gap
if fields[NAME].endswith("Last>"):
# Fill the gap with the last character read,
# since this was a range specified in the char database
gfields = fields
else:
# The gap represents undefined characters. Only the type
# matters.
gfields = ['', '', 'Cn', '0', '', '', '', '', '', '', '',
'', '', '', '']
last_code += 1
while last_code < code:
gfields[CODE] = "%04x" % last_code
process_one(last_code, gfields)
last_code += 1
process_one(code, fields)
last_code = code
with open(filename_casing, encoding="utf-8") as fileobj:
last_code = -1
for line in fileobj:
# strip comments and skip empty lines
line = line.split("#", 1)[0].strip()
if not line:
continue
# all lines end with ";" so just remove it
line = line.rstrip(";").rstrip()
fields = [f.strip() for f in line.split(";")]
if len(fields) not in (4, 5):
raise SystemExit(
"Entry for %s has wrong number of fields (%d)" % (
fields[CASE_CODE], len(fields)))
if len(fields) == 5:
# Ignore conditional special cases - we'll handle them manually
continue
code = int(fields[CASE_CODE], 16)
upper[code] = make_hex(fields[CASE_UPPER])
lower[code] = make_hex(fields[CASE_LOWER])
title[code] = make_hex(fields[CASE_TITLE])
print_tests(version, upper, title, lower)
def print_tests(version, upper, title, lower):
print("""\
# Test cases generated from Unicode {} data
# by gen-casemap-txt.py. Do not edit.
#
# Some special hand crafted tests
#
tr_TR\ti\ti\t\u0130\t\u0130\t# i => LATIN CAPITAL LETTER I WITH DOT ABOVE
tr_TR\tI\t\u0131\tI\tI\t# I => LATIN SMALL LETTER DOTLESS I
tr_TR\tI\u0307\ti\tI\u0307\tI\u0307\t# I => LATIN SMALL LETTER DOTLESS I
tr_TR.UTF-8\ti\ti\t\u0130\t\u0130\t# i => LATIN CAPITAL LETTER I WITH DOT ABOVE
tr_TR.UTF-8\tI\t\u0131\tI\tI\t# I => LATIN SMALL LETTER DOTLESS I
tr_TR.UTF-8\tI\u0307\ti\tI\u0307\tI\u0307\t# I => LATIN SMALL LETTER DOTLESS I
# Test reordering of YPOGEGRAMMENI across other accents
\t\u03b1\u0345\u0314\t\u03b1\u0345\u0314\t\u0391\u0345\u0314\t\u0391\u0314\u0399\t
\t\u03b1\u0314\u0345\t\u03b1\u0314\u0345\t\u0391\u0314\u0345\t\u0391\u0314\u0399\t
# Handling of final and nonfinal sigma
\tΜΆΙΟΣ μάιος Μάιος ΜΆΙΟΣ
\tΜΆΙΟΣ μάιος Μάιος ΜΆΙΟΣ
\tΣΙΓΜΑ σιγμα Σιγμα ΣΙΓΜΑ
# Lithuanian rule of i followed by letter with dot. Not at all sure
# about the titlecase part here
lt_LT\ti\u0117\ti\u0117\tIe\tIE\t
lt_LT\tie\u0307\tie\u0307\tIe\tIE\t
lt_LT\t\u00cc\ti\u0307\u0300\t\u00cc\t\u00cc\t # LATIN CAPITAL LETTER I WITH GRAVE
lt_LT\t\u00CD\ti\u0307\u0301\t\u00CD\t\u00CD\t # LATIN CAPITAL LETTER I WITH ACUTE
lt_LT\t\u0128\ti\u0307\u0303\t\u0128\t\u0128\t # LATIN CAPITAL LETTER I WITH TILDE
lt_LT\tI\u0301\ti\u0307\u0301\tI\u0301\tI\u0301\t # LATIN CAPITAL LETTER I (with acute accent)
lt_LT\tI\u0300\ti\u0307\u0300\tI\u0300\tI\u0300\t # LATIN CAPITAL LETTER I (with grave accent)
lt_LT\tI\u0303\ti\u0307\u0303\tI\u0303\tI\u0303\t # LATIN CAPITAL LETTER I (with tilde above)
lt_LT\tI\u0328\u0301\ti\u0307\u0328\u0301\tI\u0328\u0301\tI\u0328\u0301\t # LATIN CAPITAL LETTER I (with ogonek and acute accent)
lt_LT\tJ\u0301\tj\u0307\u0301\tJ\u0301\tJ\u0301\t # LATIN CAPITAL LETTER J (with acute accent)
lt_LT\t\u012e\u0301\t\u012f\u0307\u0301\t\u012e\u0301\t\u012e\u0301\t # LATIN CAPITAL LETTER I WITH OGONEK (with acute accent)
lt_LT.UTF-8\ti\u0117\ti\u0117\tIe\tIE\t
lt_LT.UTF-8\tie\u0307\tie\u0307\tIe\tIE\t
lt_LT.UTF-8\t\u00cc\ti\u0307\u0300\t\u00cc\t\u00cc\t # LATIN CAPITAL LETTER I WITH GRAVE
lt_LT.UTF-8\t\u00CD\ti\u0307\u0301\t\u00CD\t\u00CD\t # LATIN CAPITAL LETTER I WITH ACUTE
lt_LT.UTF-8\t\u0128\ti\u0307\u0303\t\u0128\t\u0128\t # LATIN CAPITAL LETTER I WITH TILDE
lt_LT.UTF-8\tI\u0301\ti\u0307\u0301\tI\u0301\tI\u0301\t # LATIN CAPITAL LETTER I (with acute accent)
lt_LT.UTF-8\tI\u0300\ti\u0307\u0300\tI\u0300\tI\u0300\t # LATIN CAPITAL LETTER I (with grave accent)
lt_LT.UTF-8\tI\u0303\ti\u0307\u0303\tI\u0303\tI\u0303\t # LATIN CAPITAL LETTER I (with tilde above)
lt_LT.UTF-8\tI\u0328\u0301\ti\u0307\u0328\u0301\tI\u0328\u0301\tI\u0328\u0301\t # LATIN CAPITAL LETTER I (with ogonek and acute accent)
lt_LT.UTF-8\tJ\u0301\tj\u0307\u0301\tJ\u0301\tJ\u0301\t # LATIN CAPITAL LETTER J (with acute accent)
lt_LT.UTF-8\t\u012e\u0301\t\u012f\u0307\u0301\t\u012e\u0301\t\u012e\u0301\t # LATIN CAPITAL LETTER I WITH OGONEK (with acute accent)
# Special case not at initial position
\ta\ufb04\ta\ufb04\tAffl\tAFFL\t# FB04
#
# Now the automatic tests
#""".format(version))
for i in range(0x10ffff):
if i == 0x3A3:
# Greek sigma needs special tests
continue
up = upper.get(i, "")
lo = lower.get(i, "")
ti = title.get(i, "")
if any([up, lo, ti]):
print("\t%s\t%s\t%s\t%s\t# %4X" % (chr(i), lo, ti, up, i))
if __name__ == "__main__":
sys.exit(main(sys.argv))
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