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� FHSc@s�dZddlZddlZddlZddlZddlZied6ed6ed6ed6ed6ed6ed 6Zied 6Z d Z dZdZd Z dZdZdZdejjfd��YZdefd��YZdefd��YZdS(sTokenize DNS master file formati����Nt s s t;t(t)t"iiiiiiitUngetBufferFullcBseZdZRS(sRRaised when an attempt is made to unget a token when the unget buffer is full.(t__name__t __module__t__doc__(((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyR,stTokencBs�eZdZded�Zd�Zd�Zd�Zd�Zd�Z d�Z d �Zd �Zd�Z d�Zd �Zd�Zd�Zd�Zd�ZRS(s�A DNS master file format token. @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 tcCs||_||_||_dS(sInitialize a token instance. @param ttype: The token type @type ttype: int @param value: The token value @type value: string @param has_escape: Does the token value contain escapes? @type has_escape: bool N(tttypetvaluet has_escape(tselfRRR ((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt__init__<s cCs |jtkS(N(RtEOF(R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytis_eofJscCs |jtkS(N(RtEOL(R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytis_eolMscCs |jtkS(N(Rt WHITESPACE(R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt is_whitespacePscCs |jtkS(N(Rt IDENTIFIER(R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt is_identifierSscCs |jtkS(N(Rt QUOTED_STRING(R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytis_quoted_stringVscCs |jtkS(N(RtCOMMENT(R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt is_commentYscCs |jtkS(N(Rt DELIMITER(R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytis_delimiter\scCs|jtkp|jtkS(N(RRR(R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt is_eol_or_eof_scCs5t|t�stS|j|jko4|j|jkS(N(t isinstanceR tFalseRR(Rtother((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt__eq__bscCs5t|t�stS|j|jkp4|j|jkS(N(RR tTrueRR(RR!((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt__ne__hscCsd|j|jfS(Ns%d "%s"(RR(R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt__str__nscCsu|js |Sd}t|j�}d}x:||krd|j|}|d7}|dkrW||krutjj�n|j|}|d7}|j�rW||kr�tjj�n|j|}|d7}||kr�tjj�n|j|}|d7}|j�o|j�s#tjj�ntt |�dt |�dt |��}qWn||7}q+Wt |j|�S(NR iis\idi (R tlenRtdnst exceptiont UnexpectedEndtisdigittSyntaxErrortchrtintR R(Rt unescapedtltitctc2tc3((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytunescapeqs6 4cCsdS(Ni((R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt__len__�scCst|j|jf�S(N(titerRR(R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt__iter__�scCs0|dkr|jS|dkr&|jSt�dS(Nii(RRt IndexError(RR0((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt__getitem__�s (RRRR RRRRRRRRRR"R$R%R4R5R7R9(((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyR 1s" t TokenizercBs�eZdZejdd�Zd�Zd�Zd�Z d�Z eed�Zd�Z d�Zd �Zd �Zd�Zd�Zd �Zdd�Zdd�Zdd�Zd�Zd�ZRS(s�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 cCs�t|t�r6tj|�}|dkrcd}qcn-|dkrc|tjkrZd}qcd}n||_d|_d|_ d|_ t|_t|_ t|_d|_||_dS(s�Initialize a tokenizer instance. @param f: The file to tokenize. The default is sys.stdin. This parameter may also be a string, in which case the tokenizer will take its input from the contents of the string. @type f: file or string @param filename: the name of the filename that the L{where} method will return. @type filename: string s<string>s<stdin>s<file>iiN(Rtstrt cStringIOtStringIOtNonetsyststdintfilet ungotten_chartungotten_tokent multilineR tquotingteoft_DELIMITERSt delimiterstline_numbertfilename(RtfRJ((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyR�s" cCs�|jdkrl|jr!d}q~|jjd�}|dkrKt|_q~|dkr~|jd7_q~n|j}d|_|S(s<Read a character from input. @rtype: string R is N(RBR>RFRAtreadR#RI(RR1((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt _get_char�s cCs|j|jfS(s�Return the current location in the input. @rtype: (string, int) tuple. The first item is the filename of the input, the second is the current line number. (RJRI(R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytwhere�scCs%|jdk rt�n||_dS(sEUnget a character. The unget buffer for characters is only one character large; it is an error to try to unget a character when the unget buffer is not empty. @param c: the character to unget @type c: string @raises UngetBufferFull: there is already an ungotten char N(RBR>R(RR1((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt_unget_char�s cCsod}xbtrj|j�}|dkr]|dkr]|dksI|jr]|j|�|Sn|d7}q WdS(s(Consume input until a non-whitespace character is encountered. The non-whitespace character is then ungotten, and the number of whitespace characters consumed is returned. If the tokenizer is in multiline mode, then newlines are whitespace. @rtype: int iRs s iN(R#RMRDRO(RtskippedR1((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytskip_whitespaces c Cs�|jdk rZ|j}d|_|j�r:|rW|SqZ|j�rS|rW|SqZ|Sn|j�}|r�|dkr�ttd�Sd}t}t}x�t rA|j �}|dks�||jkr�|dkr�|jr�t jj�n|dkr�|tkr�|dkr.|jd7_|j�q�q�|dkrw|jdksXt jj�n|jd8_|j�q�q�|dkr�|js�t |_t|_t}q�q�t|_t|_|j�q�q�|dkr�ttd�S|d kr�x6|j �}|dks|dkrPn||7}q�W|rJ|j|�tt|�S|dkr~|jrtt jjd ��ntt�S|jr�|j�d}q�q�ttd�Sq�|}t}n |j|�Png|jr�|dkr�|j �}|dkr t jj�n|j�r�|j �}|dkr<t jj�n|j �} |dkrct jj�n|j�ox| j�s�t jj�ntt|�dt|�d t| ��}q�q4|dkr4t jjd��q4nR|dkr4||7}t }|j �}|dks"|dkr4t jj�q4n||7}q�W|dkr�|tkr�|jrxt jjd ��nt}nt|||�S(sGet 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 iRR RiRRs Rsunbalanced parenthesess\idi snewline in quoted stringN(RCR>RRRQR RRR R#RMRHRER'R(R)RRDR+t_QUOTING_DELIMITERSRGRRORRRR*R,R-( Rtwant_leadingtwant_commentttokenRPRR R1R2R3((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytgets� 4 cCs%|jdk rt�n||_dS(s@Unget a token. The unget buffer for tokens is only one token large; it is an error to try to unget a token when the unget buffer is not empty. @param token: the token to unget @type token: Token object @raises UngetBufferFull: there is already an ungotten token N(RCR>R(RRU((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytunget�s cCs%|j�}|j�r!t�n|S(sLReturn the next item in an iteration. @rtype: (int, string) (RVRt StopIteration(RRU((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytnext�s cCs|S(N((R((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyR7�scCsd|j�j�}|j�s3tjjd��n|jj�sWtjjd��nt|j�S(s|Read the next token and interpret it as an integer. @raises dns.exception.SyntaxError: @rtype: int sexpecting an identifiersexpecting an integer( RVR4RR'R(R+RR*R-(RRU((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytget_int�scCsA|j�}|dks$|dkr=tjjd|��n|S(s�Read the next token and interpret it as an 8-bit unsigned integer. @raises dns.exception.SyntaxError: @rtype: int ii�s#%d is not an unsigned 8-bit integer(RZR'R(R+(RR((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt get_uint8�scCsA|j�}|dks$|dkr=tjjd|��n|S(s�Read the next token and interpret it as a 16-bit unsigned integer. @raises dns.exception.SyntaxError: @rtype: int ii��s$%d is not an unsigned 16-bit integer(RZR'R(R+(RR((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt get_uint16�scCs�|j�j�}|j�s3tjjd��n|jj�sWtjjd��nt|j�}|dks~|dkr�tjjd|��n|S(s�Read the next token and interpret it as a 32-bit unsigned integer. @raises dns.exception.SyntaxError: @rtype: int sexpecting an identifiersexpecting an integerils$%d is not an unsigned 32-bit integer( RVR4RR'R(R+RR*tlong(RRUR((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt get_uint32�scCsF|j�j�}|j�p'|j�s?tjjd��n|jS(s}Read the next token and interpret it as a string. @raises dns.exception.SyntaxError: @rtype: string sexpecting a string(RVR4RRR'R(R+R(RtoriginRU((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt get_string�scCs:|j�j�}|j�s3tjjd��n|jS(s�Read the next token and raise an exception if it is not an identifier. @raises dns.exception.SyntaxError: @rtype: string sexpecting an identifier(RVR4RR'R(R+R(RR_RU((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytget_identifier�scCsC|j�}|j�s-tjjd��ntjj|j|�S(s�Read the next token and interpret it as a DNS name. @raises dns.exception.SyntaxError: @rtype: dns.name.Name objectsexpecting an identifier(RVRR'R(R+tnamet from_textR(RR_RU((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytget_namescCsD|j�}|j�s=tjjd|j|jf��n|jS(s�Read the next token and raise an exception if it isn't EOL or EOF. @raises dns.exception.SyntaxError: @rtype: string s expected EOL or EOF, got %d "%s"(RVRR'R(R+RR(RRU((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytget_eols%cCsF|j�j�}|j�s3tjjd��ntjj|j�S(Nsexpecting an identifier( RVR4RR'R(R+tttlRcR(RRU((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pytget_ttlsN(RRRR?R@R>RRMRNRORQR RVRWRYR7RZR[R\R^R`RaRdReRg(((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyR:�s& z (RR<R?t dns.exceptionR'tdns.nametdns.ttlR#RGRRRRRRRRRR(tDNSExceptionRtobjectR R:(((s3/usr/lib64/python2.7/site-packages/dns/tokenizer.pyt<module>s0 m