mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-08 18:01:37 +00:00
53 lines
2.7 KiB
Python
53 lines
2.7 KiB
Python
#!/usr/bin/env python
|
|
|
|
# Copyright (C) 2013 Apple Inc. All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
|
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
|
|
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
|
# THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
import re
|
|
|
|
def cssminify(css):
|
|
rules = (
|
|
(r"\/\*.*?\*\/", ""), # delete comments
|
|
(r"\n", ""), # delete new lines
|
|
(r"\s+", " "), # change multiple spaces to one space
|
|
(r"\s?([;{},~>!])\s?", r"\1"), # delete space where it is not needed
|
|
(r":\s", ":"), # delete spaces after colons, but not before. E.g. do not break selectors "a :focus", "b :matches(...)", "c :not(...)" where the leading space is significant
|
|
(r"\s?([-+])(?:\s(?![0-9(])(?!var))", r"\1"), # delete whitespace around + and - when not followed by a number, paren, or var(). E.g. strip for selector "a + b" but not "calc(a + b)" which requires spaces.
|
|
(r";}", "}") # change ';}' to '}' because the semicolon is not needed
|
|
)
|
|
|
|
css = css.replace("\r\n", "\n")
|
|
for rule in rules:
|
|
css = re.compile(rule[0], re.MULTILINE | re.UNICODE | re.DOTALL).sub(rule[1], css)
|
|
return css
|
|
|
|
if __name__ == "__main__":
|
|
import sys
|
|
if sys.version_info[0] >= 3:
|
|
import io
|
|
if sys.stdin.encoding != 'UTF-8':
|
|
sys.stdin = io.TextIOWrapper(sys.stdin.buffer, encoding='UTF-8')
|
|
if sys.stdout.encoding != 'UTF-8':
|
|
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='UTF-8')
|
|
sys.stdout.write(cssminify(sys.stdin.read()))
|