97 lines
2.8 KiB
Python
Executable File
97 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python
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r"""
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========================================
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Character table generator for rjsmin.c
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========================================
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Character table generator for rjsmin.c
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:Copyright:
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Copyright 2011 - 2015
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Andr\xe9 Malo or his licensors, as applicable
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:License:
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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if __doc__:
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# pylint: disable = W0622
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__doc__ = __doc__.encode('ascii').decode('unicode_escape')
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__author__ = r"Andr\xe9 Malo".encode('ascii').decode('unicode_escape')
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__docformat__ = "restructuredtext en"
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__license__ = "Apache License, Version 2.0"
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import re as _re
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TPL = r"""
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static const unsigned short rjsmin_charmask[128] = {
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@@mask@@
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};
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""".strip() + "\n"
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def _make_charmask():
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""" Generate character mask table """
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# pylint: disable = too-many-branches
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dull = r'[^\047"/\000-\040]'
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pre_regex = r'[(,=:\[!&|?{};\r\n]'
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regex_dull = r'[^/\\\[\r\n]'
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regex_cc_dull = r'[^\\\]\r\n]'
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id_literal = r'[^\000-#%-,./:-@\[-^`{-~-]'
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id_literal_open = r'[^\000-\040"#%-\047)*,./:-@\\-^`|-~]'
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id_literal_close = r'[^\000-!#%&(*,./:-@\[\\^`{|~]'
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string_dull = r'[^\047"\\\r\n]'
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space = r'[\000-\011\013\014\016-\040]'
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charmask = []
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for x in range(8): # pylint: disable = invalid-name
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maskline = []
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for y in range(16): # pylint: disable = invalid-name
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c, mask = chr(x*16 + y), 0
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if _re.match(dull, c):
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mask |= 1
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if _re.match(pre_regex, c):
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mask |= 2
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if _re.match(regex_dull, c):
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mask |= 4
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if _re.match(regex_cc_dull, c):
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mask |= 8
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if _re.match(id_literal, c):
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mask |= 16
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if _re.match(id_literal_open, c):
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mask |= 32
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if _re.match(id_literal_close, c):
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mask |= 64
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if _re.match(string_dull, c):
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mask |= 128
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if _re.match(space, c):
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mask |= 256
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if mask < 10:
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mask = ' ' + str(mask)
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elif mask < 100:
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mask = ' ' + str(mask)
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maskline.append(str(mask))
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if y == 7:
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charmask.append(', '.join(maskline))
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maskline = []
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charmask.append(', '.join(maskline))
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return TPL.replace('@@mask@@', ',\n '.join(charmask))
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print _make_charmask()
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