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https://github.com/osmarks/random-stuff
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16 lines
1.1 KiB
Python
16 lines
1.1 KiB
Python
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import regex
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"""
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WHITESPACE = r"[\t\n ]*"
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NUMBER = r"\-?(?:0|[1-9][0-9]*)(?:\.[0-9]+)?(?:[eE][+-]?[0-9]+)?"
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ARRAY = f"(?:\[{WHITESPACE}(?:|(?R)|(?R)(?:,{WHITESPACE}(?R){WHITESPACE})*){WHITESPACE}])"
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STRING = r'"(?:[^"\\\n]|\\["\\/bfnrt]|\\u[0-9a-fA-F]{4})*"'
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TERMINAL = f"(?:true|false|null|{NUMBER}|{STRING})"
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PAIR = f"(?:{WHITESPACE}{STRING}{WHITESPACE}:{WHITESPACE}(?R){WHITESPACE})"
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OBJECT = f"(?:{{(?:{WHITESPACE}|{PAIR}|(?:{PAIR}(?:,{PAIR})*))}})"
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VALUE = f"{WHITESPACE}(?:{ARRAY}|{OBJECT}|{TERMINAL}){WHITESPACE}"
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print(VALUE)
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def entry(s):
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return regex.fullmatch(VALUE, s, regex.V1)
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"""
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entry = lambda s: __import__("regex").fullmatch(r"""[\t\n ]*(?:(?:\[[\t\n ]*(?:|(?R)|(?R)(?:,[\t\n ]*(?R)[\t\n ]*)*)[\t\n ]*])|(?:{(?:[\t\n ]*|(?:[\t\n ]*"(?:[^"\\\n]|\\["\\/bfnrt]|\\u[0-9a-fA-F]{4})*"[\t\n ]*:[\t\n ]*(?R)[\t\n ]*)|(?:(?:[\t\n ]*"(?:[^"\\\n]|\\["\\/bfnrt]|\\u[0-9a-fA-F]{4})*"[\t\n ]*:[\t\n ]*(?R)[\t\n ]*)(?:,(?:[\t\n ]*"(?:[^"\\\n]|\\["\\/bfnrt]|\\u[0-9a-fA-F]{4})*"[\t\n ]*:[\t\n ]*(?R)[\t\n ]*))*))})|(?:true|false|null|\-?(?:0|[1-9][0-9]*)(?:\.[0-9]+)?(?:[eE][+-]?[0-9]+)?|"(?:[^"\\\n]|\\["\\/bfnrt]|\\u[0-9a-fA-F]{4})*"))[\t\n ]*""", s, regex.V1)
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