a f=_cR@sdZddlmZddlZddlZddlmZddlTdZdZ d Z d Z d Z d Z Gd ddeZGdddeZddZGdddeZdddZejfddZdS)z Implements the minimal functionality required to extract a "Workbook" or "Book" stream (as one big string) from an OLE2 Compound Document file. )print_functionN)unpack)*sࡱc@s eZdZdS) CompDocErrorN)__name__ __module__ __qualname__rr+lib/python3.9/site-packages/xlrd/compdoc.pyr sr c@s&eZdZdejfddZdddZdS) DirNodercCs||_||_td|dd\}|_|_|_|_|_td|dd\|_|_ |dkrbt d|_ nt |d|d d |_ g|_ d |_td |d d|_|r||dS)Nz|_} d|>|_ |jdks|j dkrtd|j|j f|d td|dd\} |_ } |_ } } }}t |d}t || \}}|r||d7}tdt || f|d ||_||_tddg|}|_|rtd||| |j |d td||f|d td| |j |j f|d td| | f|d td||f|d | d }d!|}d}ttd"|dd}||d|}td|d#|d$|d}d}|dkr|ttdfvrn |}|tttfvr|dkrtd%||f|d ||krd&||f}|dkrt||d qt|n|dkrtd'|||r,td(|||fd||<|d7}|rb||krbtd)||||||d d| |}|t||||| |}q|r||krtd*||||||d |rtd+t ||d t|d,|g|_d}d}tt |D]} || }!|!ttfvrq|!|kr^|sLtd-|d td.|!|f|d d}t|| <d}qn|!d/krttd0|!||!rtd1|!||!fd$||!<|d7}|r||krtd2|||||||!|d d| |!}|jt||||| q|r,td3t |j|d t|jd,|t|d |r|rtd+t ||d t|d,|t|t |jD]}"t|j|"<qftd3t |j|d t|jd,||j|jd|j|j|j d4d5d6}#g}$d7}%tdt |#d8D].}&|%d7}%|$t|%|#|&|&d8d|q|$|_ t!|$d|$dj"|r6|$D]}'|'#|q$|j d}(|(j$d9ksPJ|(j%dksh|(j&dkrpd:|_'n$|j|jd|j| |(j%|(j&d;d d6|_'g|_(| dkr|(j&dkrtd<|d |(j&dkr| }| })|dkrR|)dkrR||rtd=|||fd9||<|)d8})d|| }*tt|||*|*| }+|j(|+|j|}q|rltd>||)f|d |)dkr|tksJ|rtd?|d t|j(d,||rtd@|d t|d |dS)ANrzNot an OLE2 compound documentsz)Expected "little-endian" marker, found %rz>>z [2]===>>>z MSAT: len = z8WARNING *** File is truncated, or OLE2 MSAT is corrupt!!z6INFO: Trying to access sector %d but only %d availablerzMSAT: invalid sector id: %dz)MSAT extension corruption: seen[%d] == %dz [3]===>>>z SAT: len =Z directoryr"seen_idrrSSCSzHWARNING *** OLE2 inconsistency: SSCS size is 0 but SSAT size is non-zerozSSAT corruption: seen[%d] == %dz&SSAT last sid %d; remaining sectors %dSSATseen))rignore_workbook_corruptionr( SIGNATUREr rr-memsec_sizeshort_sec_sizeZdir_first_sec_sidmin_size_std_streamlendivmod mem_data_secs mem_data_lenarrayrJlistmaxEOCSIDFREESIDMSATSIDextendpop dump_listSATxrangeEVILSID _get_streamr1rr2r0rr&rr r!rHrI),r'rMrr(rKZrevisionversionZsszZssszrNZ SAT_tot_secsZ_unusedZSSAT_first_sec_sidZ SSAT_tot_secsZMSATX_first_sec_sidZMSATX_tot_secsrTrSZ left_overrJZnentZfmtZ trunc_warnedZMSATZSAT_sectors_reqdZexpected_MSATX_sectorsZactual_MSATX_sectorsZsidmsgoffsetZactual_SAT_sectorsZ dump_againZmsidxZmsidZsatxZdbytesr2ZdidposdZsscs_dirZnsecs start_posnewsrrrr)Tsb                       "   $        zCompDoc.__init__Nrc Csg} |} |dur| dkr|durL|j| rBtd|| |j| f||j| <|| |} | || | |z || } Wqtytd|| fYq0q| tksJn|} | dkr`|dur|j| rtd|| |j| f||j| <|| |} |} | | kr| } | | 8} | || | | z || } Wqty\td|| fYq0q| tksnJ| dkrt|jd|||| d| S)Nr%s corruption: seen[%d] == %dz:OLE2 stream %r: sector allocation table invalid entry (%d)z=WARNING *** OLE2 stream %r: expected size %d, actual size %d )rJr r1 IndexErrorrXr,rjoin)r'rMbasesatrN start_sidsizer"rEZsectorssrgZtodoZgrabrrrras\               zCompDoc._get_streamcCs|d}|dd}|j}||jD]r}||j|kr$||j}|dkr\||S|dkr|sptd|||S||dtdq$dS)Nrrrz"Requested component is a 'storage'z'Requested stream is not a 'user stream')r2r#r"lowerrr _dir_searchr&)r'pathZ storage_DIDheadtailZdlchildetrrrrsNs    zCompDoc._dir_searchc Cs~||d}|durdS|j|jkrR|j|jd|j|j|j|j||j ddS|j|j d|j |j |j|j|dddSdS)a Interrogate the compound document's directory; return the stream as a string if found, otherwise return ``None``. :param qname: Name of the desired stream e.g. ``'Workbook'``. Should be in Unicode or convertible thereto. /Nr<r;rDr (from SSCS)) rssplitr!rPrarMr^rNr rrHrIrO)r'qnamerfrrrget_named_streamas   zCompDoc.get_named_streamc Cs||d}|durdS|j|jkr>td||j|jf|j|jkr||jd|j|j |j |j||j d}|j rt d|jdt|jd |j|S||jd |j|j|j |j|d dd |jfSdS) aq Interrogate the compound document's directory. If the named stream is not found, ``(None, 0, 0)`` will be returned. If the named stream is found and is contiguous within the original byte sequence (``mem``) used when the document was opened, then ``(mem, offset_to_start_of_stream, length_of_stream)`` is returned. Otherwise a new string is built from the fragments and ``(new_string, 0, length_of_stream)`` is returned. :param qname: Name of the desired stream e.g. ``'Workbook'``. Should be in Unicode or convertible thereto. ryN)Nrrz7%r stream length (%d bytes) > file data size (%d bytes)r<r;z seenr*r9rrz)rsr{r!rTr rP_locate_streamrMr^rNr rr(r-rr]rJrarHrIrO)r'r|rfresultrrrlocate_named_streamvs.    zCompDoc.locate_named_streamc sd|} | dkrtd|d} d} d} g} d}||d|}| dkr |j| r|jstd||jdt|jd |jtd || |j| f||j| <|d7}||krtd |||f| | dkr| |7} n*| dkr| | | f|| |} | |} | } || } q<| tksJ||ks(J| s8| |fS| | | fd fd d| Dd|fS)Nrz%_locate_stream: start_sid (%d) is -veiiiHrz_locate_stream(%s): seenr*r9riz,%s: size exceeds expected %d bytes; corrupt?rjc3s|]\}}||VqdS)Nr).0rgend_posrMrr rjz)CompDoc._locate_stream..) r rJrKr-rr]r1rXrl)r'rMrmrnrNroZexpected_stream_sizer|rErqprgrZslicesZ tot_foundZ found_limitrrrr~sH   "       zCompDoc._locate_stream)NrN)r) r r r__doc__r.r/r)rarsr}rr~rrrrr3Js J 1 (r3cCsPtd|d|fd|d||||D]}tt|d|dq*t|ddSNz%5d%sz = )endr+r*r-str)aliststridefdposequalvaluerrr x_dump_linesrcsdfdd }d}d}tdtD]b}|durD|||}q*||||kr*||kr||dd|||}q*|dur|dur||kr||dddS)NrcsPtd|d|fdd||D]}tt|ddq*tddSrr)rrrrrrrr _dump_lineszdump_list.._dump_liner)r)r)r_rQ)rrrrreZoldposrrrr]s  r])r)rZ __future__rrUr.structrZ timemachinerLrXrYZSATSIDrZr` Exceptionr objectrr0r3rr/r]rrrrs(