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@ivar ttype: The token type
@type ttype: int
@ivar value: The token value
@type value: string
@ivar has_escape: Does the token value contain escapes?
@type has_escape: bool
Fc C s || _ || _|| _dS )a Initialize a token instance.
@param ttype: The token type
@type ttype: int
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@type value: string
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@type has_escape: bool
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Zdd Zdd Zdd Zdd Zd d Zd)d d Zd*d d!Zd+d"d#Zd$d% Zd&d' ZdS ), Tokenizera A DNS master file format tokenizer.
A token is a (type, value) tuple, where I{type} is an int, and
I{value} is a string. The valid types are EOF, EOL, WHITESPACE,
IDENTIFIER, QUOTED_STRING, COMMENT, and DELIMITER.
@ivar file: The file to tokenize
@type file: file
@ivar ungotten_char: The most recently ungotten character, or None.
@type ungotten_char: string
@ivar ungotten_token: The most recently ungotten token, or None.
@type ungotten_token: (int, string) token tuple
@ivar multiline: The current multiline level. This value is increased
by one every time a '(' delimiter is read, and decreased by one every time
a ')' delimiter is read.
@type multiline: int
@ivar quoting: This variable is true if the tokenizer is currently
reading a quoted string.
@type quoting: bool
@ivar eof: This variable is true if the tokenizer has encountered EOF.
@type eof: bool
@ivar delimiters: The current delimiter dictionary.
@type delimiters: dict
@ivar line_number: The current line number
@type line_number: int
@ivar filename: A filename that will be returned by the L{where} method.
@type filename: string
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t}t|||S )a Get the next token.
@param want_leading: If True, return a WHITESPACE token if the
first character read is whitespace. The default is False.
@type want_leading: bool
@param want_comment: If True, return a COMMENT token if the
first token read is a comment. The default is False.
@type want_comment: bool
@rtype: Token object
@raises dns.exception.UnexpectedEnd: input ended prematurely
@raises dns.exception.SyntaxError: input was badly formed
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r i z$%d is not an unsigned 16-bit integer)rf r9 r: r= )r r r r r
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zTokenizer.get_uint16c C sh | j j }|j s tjjd|jj s6tjjdt|j}|dk sT|tdkrdtjjd| |S )zRead the next token and interpret it as a 32-bit unsigned
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zTokenizer.get_uint32c C s. | j j }|j p|j s(tjjd|jS )z}Read the next token and interpret it as a string.
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@rtype: string
zexpecting a string)rb rE r( r* r9 r: r= r )r originra r r r
get_string s zTokenizer.get_stringc C s& | j j }|j s tjjd|jS )zRead the next token and raise an exception if it is not an identifier.
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@rtype: string
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s zTokenizer.get_identifierc C s, | j }|j s tjjdtjj|j|S )zRead the next token and interpret it as a DNS name.
@raises dns.exception.SyntaxError:
@rtype: dns.name.Name objectzexpecting an identifier)rb r( r9 r: r= name from_textr )r rk ra r r r get_name s zTokenizer.get_namec C s. | j }|j s(tjjd|j|jf |jS )zRead the next token and raise an exception if it isn't EOL or
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@raises dns.exception.SyntaxError:
@rtype: string
z expected EOL or EOF, got %d "%s")rb r/ r9 r: r= r r )r ra r r r get_eol! s zTokenizer.get_eolc C s. | j j }|j s tjjdtjj|jS )Nzexpecting an identifier) rb rE r( r9 r: r= Zttlro r )r ra r r r get_ttl0 s zTokenizer.get_ttl)FF)N)N)N)r r r r rM rN r r[ r\ r] r_ rb rc re __next__rH rf rh ri rj rl rm rp rq rr r r r r rK s( $
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