mirror of
https://github.com/kevingruesser/bootstrap-vz.git
synced 2025-08-22 09:50:37 +00:00
112 lines
3.6 KiB
Python
112 lines
3.6 KiB
Python
'''
|
|
Created on 20/01/2011
|
|
|
|
v0.1 (C) Gerald Storer
|
|
MIT License
|
|
|
|
Based on JSON.minify.js:
|
|
https://github.com/getify/JSON.minify
|
|
'''
|
|
|
|
import re
|
|
|
|
def json_minify(json,strip_space=True):
|
|
tokenizer=re.compile('"|(/\*)|(\*/)|(//)|\n|\r')
|
|
in_string = False
|
|
in_multiline_comment = False
|
|
in_singleline_comment = False
|
|
|
|
new_str = []
|
|
from_index = 0 # from is a keyword in Python
|
|
|
|
for match in re.finditer(tokenizer,json):
|
|
|
|
if not in_multiline_comment and not in_singleline_comment:
|
|
tmp2 = json[from_index:match.start()]
|
|
if not in_string and strip_space:
|
|
tmp2 = re.sub('[ \t\n\r]*','',tmp2) # replace only white space defined in standard
|
|
new_str.append(tmp2)
|
|
|
|
from_index = match.end()
|
|
|
|
if match.group() == '"' and not in_multiline_comment and not in_singleline_comment:
|
|
escaped = re.search('(\\\\)*$',json[:match.start()])
|
|
if not in_string or escaped is None or len(escaped.group()) % 2 == 0:
|
|
# start of string with ", or unescaped " character found to end string
|
|
in_string = not in_string
|
|
from_index -= 1 # include " character in next catch
|
|
|
|
elif match.group() == '/*' and not in_string and not in_multiline_comment and not in_singleline_comment:
|
|
in_multiline_comment = True
|
|
elif match.group() == '*/' and not in_string and in_multiline_comment and not in_singleline_comment:
|
|
in_multiline_comment = False
|
|
elif match.group() == '//' and not in_string and not in_multiline_comment and not in_singleline_comment:
|
|
in_singleline_comment = True
|
|
elif (match.group() == '\n' or match.group() == '\r') and not in_string and not in_multiline_comment and in_singleline_comment:
|
|
in_singleline_comment = False
|
|
elif not in_multiline_comment and not in_singleline_comment and (
|
|
match.group() not in ['\n','\r',' ','\t'] or not strip_space):
|
|
new_str.append(match.group())
|
|
|
|
new_str.append(json[from_index:])
|
|
return ''.join(new_str)
|
|
|
|
if __name__ == '__main__':
|
|
import json # requires Python 2.6+ to run tests
|
|
|
|
def test_json(s):
|
|
return json.loads(json_minify(s))
|
|
|
|
test1 = '''// this is a JSON file with comments
|
|
{
|
|
"foo": "bar", // this is cool
|
|
"bar": [
|
|
"baz", "bum", "zam"
|
|
],
|
|
/* the rest of this document is just fluff
|
|
in case you are interested. */
|
|
"something": 10,
|
|
"else": 20
|
|
}
|
|
|
|
/* NOTE: You can easily strip the whitespace and comments
|
|
from such a file with the JSON.minify() project hosted
|
|
here on github at http://github.com/getify/JSON.minify
|
|
*/
|
|
'''
|
|
|
|
test1_res = '''{"foo":"bar","bar":["baz","bum","zam"],"something":10,"else":20}'''
|
|
|
|
test2 = '''
|
|
{"/*":"*/","//":"",/*"//"*/"/*/"://
|
|
"//"}
|
|
|
|
'''
|
|
test2_res = '''{"/*":"*/","//":"","/*/":"//"}'''
|
|
|
|
test3 = r'''/*
|
|
this is a
|
|
multi line comment */{
|
|
|
|
"foo"
|
|
:
|
|
"bar/*"// something
|
|
, "b\"az":/*
|
|
something else */"blah"
|
|
|
|
}
|
|
'''
|
|
test3_res = r'''{"foo":"bar/*","b\"az":"blah"}'''
|
|
|
|
test4 = r'''{"foo": "ba\"r//", "bar\\": "b\\\"a/*z",
|
|
"baz\\\\": /* yay */ "fo\\\\\"*/o"
|
|
}
|
|
'''
|
|
test4_res = r'''{"foo":"ba\"r//","bar\\":"b\\\"a/*z","baz\\\\":"fo\\\\\"*/o"}'''
|
|
|
|
assert test_json(test1) == json.loads(test1_res),'Failed test 1'
|
|
assert test_json(test2) == json.loads(test2_res),'Failed test 2'
|
|
assert test_json(test3) == json.loads(test3_res),'Failed test 3'
|
|
assert test_json(test4) == json.loads(test4_res),'Failed test 4'
|
|
if __debug__: # Don't print passed message if the asserts didn't run
|
|
print 'Passed all tests'
|