openstack/deb-python-rjsmin
Code Issues Proposed changes

cleanup chartable generator

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This commit is contained in:
ndparker 2015-10-14 22:04:32 +02:00
parent 401e9a3152
commit 512fff55b3
1 changed files with 38 additions and 20 deletions
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58
gen_chartable.py
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@ -1,20 +1,36 @@
#!/usr/bin/env python
# -*- coding: ascii -*-
#
# Copyright 2011
# Andr\xe9 Malo or his licensors, as applicable
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
r"""
========================================
Character table generator for rjsmin.c
========================================
Character table generator for rjsmin.c
:Copyright:
Copyright 2011 - 2015
Andr\xe9 Malo or his licensors, as applicable
:License:
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""
if __doc__:
# pylint: disable = W0622
__doc__ = __doc__.encode('ascii').decode('unicode_escape')
__author__ = r"Andr\xe9 Malo".encode('ascii').decode('unicode_escape')
__docformat__ = "restructuredtext en"
__license__ = "Apache License, Version 2.0"
import re as _re
@ -24,14 +40,16 @@ static const unsigned short rjsmin_charmask[128] = {
};
""".strip() + "\n"
def _make_charmask():
""" Generate character mask table """
# pylint: disable = too-many-branches
dull = r'[^\047"/\000-\040]'
pre_regex = r'[(,=:\[!&|?{};\r\n]'
regex_dull = r'[^/\\\[\r\n]'
regex_cc_dull = r'[^\\\]\r\n]'
newline = r'[\r\n]'
id_literal = r'[^\000-#%-,./:-@\[-^`{-~-]'
id_literal_open = r'[^\000-\040"#%-\047)*,./:-@\\-^`|-~]'
id_literal_close = r'[^\000-!#%&(*,./:-@\[\\^`{|~]'
@ -41,9 +59,9 @@ def _make_charmask():
space = r'[\000-\011\013\014\016-\040]'
charmask = []
for x in range(8):
for x in range(8): # pylint: disable = invalid-name
maskline = []
for y in range(16):
for y in range(16): # pylint: disable = invalid-name
c, mask = chr(x*16 + y), 0
if _re.match(dull, c):
mask |= 1