U /Wjz@sHdZeedddZeedddZeedddZeedd d Zd S) z6 Tools for pedantically processing the HTTP protocol. )breturncCs |D]}|dkrdSq|dkS)z; Is the string a token per RFC 9110 section 5.6.2? sMABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!#$%&'*+-.^_`|~Frcrr\c:\users\psant\downloads\hotstarbackend\school\venv38\Lib\site-packages\twisted/web/_abnf.py_istoken s r)datarcCs(|d}|s td|t|S)a( Parse a decimal integer of the form C{1*DIGIT}, i.e. consisting only of decimal digits. The integer may be embedded in whitespace (space and horizontal tab). This differs from the built-in L{int()} function by disallowing a leading C{+} character and various forms of whitespace (note that we sanitize linear whitespace in header values in L{twisted.web.http_headers.Headers}). @param data: Value to parse. @returns: A non-negative integer. @raises ValueError: When I{value} contains non-decimal characters. s z#Value contains non-decimal digits: )stripisdigit ValueErrorint)r rrr_decints rcCs |D]}|dkrdSq|dkS)z Is the string case-insensitively hexidecimal? It must be composed of one or more characters in the ranges a-f, A-F and 0-9. s0123456789abcdefABCDEFFrrrrrr _ishexdigits-srcCst|st|t|dS)z Decode a hexadecimal integer. Unlike L{int(b, 16)}, this raises L{ValueError} when the integer has a prefix like C{b'0x'}, C{b'+'}, or C{b'-'}, which is desirable when parsing network protocols. )rr r )rrrr_hexint:srN)__doc__bytesboolrr rrrrrrrs