o
    e¦Žjí‡  ã                	   @   sð  d dl Z d dlZd dlZd dlZd dlZd dlZd dlZd dlZdd„ Zi dd“dd“dd	“d
d“dd“dd“dd“dd“dd“dd“dd“dd“dd“dd“d d!“d"d#“d$d%“i d&d'“d(d)“d*d+“d,d-“d.d/“d0d1“d2d3“d4d5“d6d7“d8d9“d:d;“d<d=“d>d?“d@dA“dBdC“dDdE“dFdG“¥dHdIdJdKdLdMdNdOœ¥Z	dPdQ„ Z
G dRdS„ dSeƒZdTdU„ ZG dVdW„ dWe dXdYdZg¡ƒZG d[d\„ d\eƒZG d]d^„ d^ƒZG d_d`„ d`ƒZG dadb„ dbeƒZG dcdd„ ddejƒZG dedf„ dfƒZG dgdh„ dhƒZdidj„ ZG dkdl„ dlƒZdS )mé    Nc                 C   s   t j|  d¡ S )NÚ	utf_16_be)ÚcodecsÚBOM_UTF16_BEÚencode)Ús© r   ú//usr/lib/python3/dist-packages/PIL/PdfParser.pyÚencode_text   ó   r	   é   úé   u   Ë˜é   u   Ë‡é   u   Ë†é   u   Ë™é   u   Ë�é   u   Ë›é   u   Ëšé   u   Ëœé€   u   â€¢é�   u   â€ é‚   u   â€¡éƒ   u   â€¦é„   u   â€”é…   u   â€“é†   u   Æ’é‡   u   â�„éˆ   u   â€¹é‰   u   â€ºéŠ   u   âˆ’é‹   u   â€°éŒ   u   â€žé�   u   â€œéŽ   u   â€�é�   u   â€˜é�   u   â€™é‘   u   â€šé’   u   â„¢é“   u   ï¬�é”   u   ï¬‚é•   u   Å�é–   u   Å’é—   u   Å é˜   u   Å¸u   Å½u   Ä±u   Å‚u   Å“u   Å¡u   Å¾u   â‚¬)é™   éš   é›   éœ   é�   éž   é    c                 C   sD   | d t tjƒ… tjkr| t tjƒd …  d¡S d dd„ | D ƒ¡S )Nr   Ú c                 s   s    � | ]}t  |t|ƒ¡V  qd S ©N)ÚPDFDocEncodingÚgetÚchr)Ú.0Úbyter   r   r   Ú	<genexpr>B   s   € zdecode_text.<locals>.<genexpr>)Úlenr   r   ÚdecodeÚjoin)Úbr   r   r   Údecode_text>   s   rA   c                   @   s   e Zd ZdZdS )ÚPdfFormatErrorz\An error that probably indicates a syntactic or semantic error in the
    PDF file structureN)Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   r   r   r   rB   E   s    rB   c                 C   s   | st |ƒ‚d S r6   )rB   )Ú	conditionÚerror_messager   r   r   Úcheck_format_conditionL   s   ÿrI   c                   @   s4   e Zd Zdd„ Zdd„ Zdd„ Zdd„ Zd	d
„ ZdS )ÚIndirectReferencec                 C   ó   d|  S )Nz%s %s Rr   ©Úselfr   r   r   Ú__str__T   ó   zIndirectReference.__str__c                 C   s   |   ¡  d¡S ©Núus-ascii)rN   r   rL   r   r   r   Ú	__bytes__W   s   zIndirectReference.__bytes__c                 C   s$   |j | j u o|j| jko|j| jkS r6   )Ú	__class__Ú	object_idÚ
generation©rM   Úotherr   r   r   Ú__eq__Z   s
   
ÿ
ýzIndirectReference.__eq__c                 C   s
   | |k S r6   r   rV   r   r   r   Ú__ne__a   ó   
zIndirectReference.__ne__c                 C   s   t | j| jfƒS r6   )ÚhashrT   rU   rL   r   r   r   Ú__hash__d   r
   zIndirectReference.__hash__N)rC   rD   rE   rN   rR   rX   rY   r\   r   r   r   r   rJ   Q   s    rJ   ÚIndirectReferenceTuplerT   rU   c                   @   ó   e Zd Zdd„ ZdS )ÚIndirectObjectDefc                 C   rK   )Nz	%s %s objr   rL   r   r   r   rN   i   rO   zIndirectObjectDef.__str__N)rC   rD   rE   rN   r   r   r   r   r_   h   ó    r_   c                   @   sL   e Zd Zdd„ Zdd„ Zdd„ Zdd„ Zd	d
„ Zdd„ Zdd„ Z	dd„ Z
dS )Ú	XrefTablec                 C   s    i | _ i | _ddi| _d| _d S )Nr   i   F)Úexisting_entriesÚnew_entriesÚdeleted_entriesÚreading_finishedrL   r   r   r   Ú__init__n   s   

zXrefTable.__init__c                 C   s6   | j r	|| j|< n|| j|< || jv r| j|= d S d S r6   )re   rc   rb   rd   ©rM   ÚkeyÚvaluer   r   r   Ú__setitem__t   s   

ÿzXrefTable.__setitem__c                 C   s*   z| j | W S  ty   | j|  Y S w r6   )rc   ÚKeyErrorrb   ©rM   rh   r   r   r   Ú__getitem__|   s
   ÿzXrefTable.__getitem__c                 C   sˆ   || j v r| j | d d }| j |= || j|< d S || jv r.| j| d d }|| j|< d S || jv r:| j| }d S tdt|ƒ d ƒ‚)Né   z
object ID z+ cannot be deleted because it doesn't exist)rc   rd   rb   Ú
IndexErrorÚstr)rM   rh   rU   r   r   r   Ú__delitem__‚   s   


ÿzXrefTable.__delitem__c                 C   s   || j v p	|| jv S r6   )rb   rc   rl   r   r   r   Ú__contains__‘   ó   zXrefTable.__contains__c                 C   s.   t t| j ¡ ƒt| j ¡ ƒB t| j ¡ ƒB ƒS r6   )r=   Úsetrb   Úkeysrc   rd   rL   r   r   r   Ú__len__”   s   ÿþÿzXrefTable.__len__c                 C   s*   t | j ¡ ƒt | j ¡ ƒ t | j ¡ ƒB S r6   )rt   rb   ru   rd   rc   rL   r   r   r   ru   ›   s   þzXrefTable.keysc              	   C   sF  t t| j ¡ ƒt| j ¡ ƒB ƒ}t t| j ¡ ƒƒ}| ¡ }| d¡ |r¡d }t|ƒD ]\}}|d u s8|d |kr;|}q*|d |… }||d … } n|}d }| d|d t|ƒf ¡ |D ]B}	|	| jv rn| d| j|	  ¡ q\| 	d¡}
t
|	|
kd|	› d|
› �ƒ z|d }W n ty‘   d}Y nw | d|| j|	 f ¡ q\|s$|S )	Ns   xref
rn   s   %d %d
r   s   %010d %05d n 
z*expected the next deleted object ID to be z, instead found s   %010d %05d f 
)Úsortedrt   rc   ru   rd   ÚtellÚwriteÚ	enumerater=   ÚpoprI   ro   )rM   Úfru   Údeleted_keysÚ	startxrefÚprevÚindexrh   Úcontiguous_keysrT   Úthis_deleted_object_idÚnext_in_linked_listr   r   r   ry       sJ    


ÿþÿÿÿä zXrefTable.writeN)rC   rD   rE   rf   rj   rm   rq   rr   rv   ru   ry   r   r   r   r   ra   m   s    ra   c                   @   sd   e Zd Zdd„ Zdd„ Zdd„ Zdd„ Zd	d
„ Zedd„ ƒZ	e
eddƒƒdd„ dD ƒ Zdd„ ZdS )ÚPdfNamec                 C   s:   t |tƒr|j| _d S t |tƒr|| _d S | d¡| _d S rP   )Ú
isinstancer„   ÚnameÚbytesr   )rM   r†   r   r   r   rf   É   s
   


zPdfName.__init__c                 C   s   | j  d¡S rP   )r†   r>   rL   r   r   r   Úname_as_strÑ   s   zPdfName.name_as_strc                 C   s    t |tƒo
|j| jkp|| jkS r6   )r…   r„   r†   rV   r   r   r   rX   Ô   s   ÿþzPdfName.__eq__c                 C   s
   t | jƒS r6   )r[   r†   rL   r   r   r   r\   Ù   rZ   zPdfName.__hash__c                 C   s   dt | jƒ› d�S )NzPdfName(ú))Úreprr†   rL   r   r   r   Ú__repr__Ü   s   zPdfName.__repr__c                 C   s   | t  |¡ƒS r6   )Ú	PdfParserÚinterpret_name)ÚclsÚdatar   r   r   Úfrom_pdf_streamß   s   zPdfName.from_pdf_streamé!   é   c                 C   s   h | ]}t |ƒ’qS r   )Úord)r:   Úcr   r   r   Ú	<setcomp>ã   s    zPdfName.<setcomp>z#%/()<>[]{}c                 C   s@   t dƒ}| jD ]}|| jv r| |¡ q| d| ¡ qt|ƒS )Nó   /s   #%02X)Ú	bytearrayr†   Úallowed_charsÚappendÚextendr‡   )rM   Úresultr@   r   r   r   rR   å   s   

zPdfName.__bytes__N)rC   rD   rE   rf   rˆ   rX   r\   r‹   Úclassmethodr�   rt   Úranger˜   rR   r   r   r   r   r„   È   s    
r„   c                   @   r^   )ÚPdfArrayc                 C   s   dd  dd„ | D ƒ¡ d S )Ns   [ ó    c                 s   s   � | ]}t |ƒV  qd S r6   )Úpdf_repr)r:   Úxr   r   r   r<   ñ   ó   € z%PdfArray.__bytes__.<locals>.<genexpr>s    ])r?   rL   r   r   r   rR   ð   ó   zPdfArray.__bytes__N)rC   rD   rE   rR   r   r   r   r   rž   ï   r`   rž   c                   @   s$   e Zd Zdd„ Zdd„ Zdd„ ZdS )ÚPdfDictc                 C   s.   |dkrt j | ||¡ d S || | d¡< d S )Nr�   rQ   )ÚcollectionsÚUserDictÚ__setattr__r   rg   r   r   r   r§   õ   s   zPdfDict.__setattr__c              
   C   s  z	| |  d¡ }W n ty } zt|ƒ|‚d }~ww t|tƒr$t|ƒ}| d¡rŒ| d¡r4|dd … }d}t|ƒdkrZ|d }t	|dd… ƒd	 }t|ƒd
krZ|t	|dd
… ƒ7 }dd t|ƒd … }t
 |d t|ƒd … |¡}|dv rŒ|d	9 }|dkr‚|d9 }t
 t |¡| ¡}|S )NrQ   ÚDatezD:é   ÚZé   é   é   é<   é   é   z%Y%m%d%H%M%S)ú+ú-r±   éÿÿÿÿ)r   rk   ÚAttributeErrorr…   r‡   rA   ÚendswithÚ
startswithr=   ÚintÚtimeÚstrptimeÚgmtimeÚcalendarÚtimegm)rM   rh   ri   ÚeÚrelationshipÚoffsetÚformatr   r   r   Ú__getattr__û   s2   
€ÿ


zPdfDict.__getattr__c                 C   sn   t dƒ}|  ¡ D ]%\}}|d u rqt|ƒ}| d¡ | tt|ƒƒ¡ | d¡ | |¡ q| d¡ t|ƒS )Ns   <<ó   
rŸ   s   
>>)r—   Úitemsr    rš   r‡   r„   )rM   Úoutrh   ri   r   r   r   rR     s   


zPdfDict.__bytes__N)rC   rD   rE   r§   rÁ   rR   r   r   r   r   r¤   ô   s    r¤   c                   @   ó   e Zd Zdd„ Zdd„ ZdS )Ú	PdfBinaryc                 C   s
   || _ d S r6   )r�   )rM   r�   r   r   r   rf   %  rZ   zPdfBinary.__init__c                 C   s   dd  dd„ | jD ƒ¡ S )Ns   <%s>ó    c                 s   s   � | ]}d | V  qdS )s   %02XNr   ©r:   r@   r   r   r   r<   )  r¢   z&PdfBinary.__bytes__.<locals>.<genexpr>)r?   r�   rL   r   r   r   rR   (  s   zPdfBinary.__bytes__N)rC   rD   rE   rf   rR   r   r   r   r   rÆ   $  s    rÆ   c                   @   rÅ   )Ú	PdfStreamc                 C   s   || _ || _d S r6   )Ú
dictionaryÚbuf)rM   rÊ   rË   r   r   r   rf   -  s   
zPdfStream.__init__c                 C   s‚   z| j j}W n ty   | j Y S w |dkr5z| j j}W n ty*   | j j}Y nw tj| jt|ƒd�S t	dt
| j jƒ› d�ƒ‚)Ns   FlateDecode)Úbufsizezstream filter z unknown/unsupported)rÊ   ÚFilterr´   rË   ÚDLÚLengthÚzlibÚ
decompressr·   ÚNotImplementedErrorrŠ   )rM   ÚfilterÚexpected_lengthr   r   r   r>   1  s   
ÿÿÿzPdfStream.decodeN)rC   rD   rE   rf   r>   r   r   r   r   rÉ   ,  s    rÉ   c                 C   s  | du rdS | du rdS | d u rdS t | ttttfƒrt| ƒS t | tƒr+t| ƒ d¡S t | t	ƒr7t| ƒ d¡S t | t
jƒrJdt
 d| ¡ d¡ d	 S t | tƒrUtt| ƒƒS t | tƒr`tt| ƒƒS t | tƒrktt| ƒƒS t | tƒrˆ|  d
d¡} |  dd¡} |  d	d¡} d|  d	 S t| ƒS )NTs   trueFs   falses   nullrQ   s   (D:z%Y%m%d%H%M%SZó   )ó   \s   \\ó   (ó   \(s   \))r…   r„   r¤   rž   rÆ   r‡   r·   rp   r   Úfloatr¸   Ústruct_timeÚstrftimeÚdictÚlistr    r	   Úreplace)r¡   r   r   r   r    B  s4   





r    c                   @   s  e Zd ZdZdrdd„Zdd„ Zd	d
„ Zdd„ Zdd„ Zdd„ Z	dd„ Z
dd„ Zdd„ Zdd„ Zdd„ Zdsdd„Zdd„ Zdd „ Zd!d"„ Zed#d$„ ƒZd%d&„ Zdsd'd(„Zd)Zd*Zd+Zd,Zed- Zed. Zd/Zd0Zee e Ze  !ed1 e d2 e d3 e d4 e d5 e d6 e j"¡Z#e  !ed1 e d7 e d3 e d4 e d5 e e j"¡Z$d8d9„ Z%g fd:d;„Z&e  !e¡Z'e  !ed< e d= ¡Z(e  !ed> ¡Z)e  !ed? e ¡Z*e+d@dA„ ƒZ,e  !dB¡Z-e+dtdDdE„ƒZ.e  !edF e d= ¡Z/e  !edG e d= ¡Z0e  !edH e d= ¡Z1e  !edI e d= ¡Z2e  !edJ e d= ¡Z3e  !edK ¡Z4e  !edL ¡Z5e  !edM e dN ¡Z6e  !edO ¡Z7e  !edP e dP e dQ e d= ¡Z8e  !edP e dP e dR e d= ¡Z9e  !edS e d= ¡Z:e  !dTe dU e dV ¡Z;e  !edW ¡Z<e  !edX e d= ¡Z=e+dudZd[„ƒZ>e  !d\¡Z?i d]d^“d_d`“dadb“dcdd“dedf“dTdT“d=d=“dgdg“e@d]ƒd^“e@d_ƒd`“e@daƒdb“e@dcƒdd“e@deƒdf“e@dTƒdT“e@d=ƒd=“e@dgƒdg“ZAe+dhdi„ ƒZBe  !edj e ¡ZCe  !ed4 e d4 e e ¡ZDe  !dk¡ZEdldm„ ZFdvdndo„ZGdsdpdq„ZHdS )wrŒ   z|Based on
    https://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/PDF32000_2008.pdf
    Supports PDF up to 1.4
    Nr   Úrbc                 C   s  |r|rt dƒ‚|| _|| _|| _|| _d| _d| _|d ur-|d u r-t||ƒ | _}d| _|d urG|  |¡ | _}d| _|sGt	|dƒrG|j
| _i | _|rQ|  ¡  n*d | _| _tƒ | _d | _tƒ | _d | _i | _g | _g | _d | _d | _i | _tƒ | _d| j_|r‡|  ¡  d S d S )Nz4specify buf or f or filename, but not both buf and fFTr†   r   )ÚRuntimeErrorÚfilenamerË   r|   Ústart_offsetÚshould_close_bufÚshould_close_fileÚopenÚget_buf_from_fileÚhasattrr†   Úcached_objectsÚread_pdf_infoÚfile_size_totalÚfile_size_thisr¤   ÚrootÚroot_refÚinfoÚinfo_refÚpage_tree_rootÚpagesÚ
orig_pagesÚ	pages_refÚlast_xref_section_offsetÚtrailer_dictra   Ú
xref_tablere   Úseek_end)rM   rá   r|   rË   râ   Úmoder   r   r   rf   g  sF   
ÿzPdfParser.__init__c                 C   s   | S r6   r   rL   r   r   r   Ú	__enter__Œ  s   zPdfParser.__enter__c                 C   s   |   ¡  dS )NF)Úclose)rM   Úexc_typeÚ	exc_valueÚ	tracebackr   r   r   Ú__exit__�  s   zPdfParser.__exit__c                 C   s   |   ¡  |  ¡  d S r6   )Ú	close_bufr÷   rL   r   r   r   Ústart_writing“  s   zPdfParser.start_writingc                 C   s,   z| j  ¡  W n	 ty   Y nw d | _ d S r6   )rË   rú   r´   rL   r   r   r   rÿ   —  s   ÿ
zPdfParser.close_bufc                 C   s:   | j r|  ¡  | jd ur| jr| j ¡  d | _d S d S d S r6   )rã   rÿ   r|   rä   rú   rL   r   r   r   rú   ž  s   

þzPdfParser.closec                 C   s   | j  dtj¡ d S )Nr   )r|   ÚseekÚosÚSEEK_ENDrL   r   r   r   r÷   ¥  rs   zPdfParser.seek_endc                 C   s   | j  d¡ d S )Ns	   %PDF-1.4
)r|   ry   rL   r   r   r   Úwrite_header¨  r
   zPdfParser.write_headerc                 C   s   | j  d|› d� ¡ ¡ d S )Nz% Ú
)r|   ry   r   )rM   r   r   r   r   Úwrite_comment«  r£   zPdfParser.write_commentc                 C   sl   |   ¡  |  | j ¡ ¡| _|  d¡| _|  ¡  | j| jtdƒ| jd� | j| jtdƒt	| j
ƒ| j
d� | jS )Nr   ó   Catalog)ÚTypeÚPagesó   Pages)r  ÚCountÚKids)Údel_rootÚnext_object_idr|   rx   rí   ró   Úrewrite_pagesÚ	write_objr„   r=   rñ   rL   r   r   r   Úwrite_catalog®  s   üzPdfParser.write_catalogc                 C   sô   g }t | jƒD ]N\}}| j| }| j|j= | |tdƒ ¡ || jvr$qi }| ¡ D ]
\}}||| 	¡ < q*| j
|d< | jdi |¤Ž}t | jƒD ]\}	}
|
|krT|| j|	< qGq|D ]}|rt| j| }|j| jv rl| j|j= | dd ¡}|s\qXg | _d S )Ns   ParentÚParentr6   )rz   rò   rè   rö   rT   r™   r„   rñ   rÃ   rˆ   ró   Ú
write_pager8   )rM   Úpages_tree_nodes_to_deleteÚiÚpage_refÚ	page_infoÚstringified_page_inforh   ri   Únew_page_refÚjÚcur_page_refÚpages_tree_node_refÚpages_tree_noder   r   r   r  ¼  s4   




€ý

ü€
zPdfParser.rewrite_pagesc                 C   sš   |r	|   ¡  || _| jr|  d | j¡| _| j | j¡}t| jƒ}| j|dœ}| j	d ur0| j	|d< | jr8| j|d< || _	| j dt
t|ƒƒ d|  ¡ d S )N)ó   Rootó   Sizeó   Prevó   Infos   trailer
s   
startxref
%d
%%%%EOF)r  rí   rî   r  rï   rö   ry   r|   r=   rô   r‡   r¤   )rM   Únew_root_refÚ
start_xrefÚnum_entriesrõ   r   r   r   Úwrite_xref_and_trailerÙ  s(   




ÿþÿz PdfParser.write_xref_and_trailerc                 O   sR   t |tƒr
| j| }d|vrtdƒ|d< d|vr| j|d< | j|g|¢R i |¤ŽS )Nr  ó   Pager  )r…   r·   rñ   r„   ró   r  )rM   ÚrefÚobjsÚdict_objr   r   r   r  í  s   


zPdfParser.write_pagec                 O   sÄ   | j }|d u r|  | ¡ ¡}n| ¡ |jf| j|j< | tt|Ž ƒ¡ | 	dd ¡}|d ur3t
|ƒ|d< |r<| t|ƒ¡ |D ]	}| t|ƒ¡ q>|d ur[| d¡ | |¡ | d¡ | d¡ |S )NÚstreamrÏ   s   stream
s   
endstream
s   endobj
)r|   r  rx   rU   rö   rT   ry   r‡   r_   r{   r=   r    )rM   r'  r(  r)  r|   r*  Úobjr   r   r   r  ö  s$   



zPdfParser.write_objc                 C   s.   | j d u rd S | j| j j= | j| jd j= d S )Nr
  )rí   rö   rT   rì   rL   r   r   r   r    s   
zPdfParser.del_rootc                 C   sR   t | dƒr	|  ¡ S t | dƒr|  ¡ S ztj|  ¡ dtjd�W S  ty(   Y dS w )NÚ	getbufferÚgetvaluer   )ÚaccessrÇ   )rç   r,  r-  ÚmmapÚfilenoÚACCESS_READÚ
ValueError)r|   r   r   r   ræ     s   

ÿzPdfParser.get_buf_from_filec                 C   sü   t | jƒ| _| j| j | _|  ¡  | jd | _| j dd ¡| _	t
|  | j¡ƒ| _| j	d u r2t
ƒ | _n	t
|  | j	¡ƒ| _td| jv dƒ t| jd dkdƒ td| jv dƒ tt| jd tƒd	ƒ | jd | _|  | j¡| _|  | j¡| _| jd d … | _d S )
Nr  r!  ó   Typez/Type missing in Rootr  z/Type in Root is not /Catalogr
  z/Pages missing in Rootz+/Pages in Root is not an indirect reference)r=   rË   rê   râ   rë   Úread_trailerrõ   rí   r8   rï   r¤   Úread_indirectrì   rî   rI   r…   rJ   ró   rð   Úlinearize_page_treerñ   rò   rL   r   r   r   ré     s,   

ÿþzPdfParser.read_pdf_infoc                 C   sV   zt t| j ¡ ƒd dƒ}W n ty   t ddƒ}Y nw |d ur)|df| j|j< |S )Nrn   r   )rJ   Úmaxrö   ru   r2  rT   )rM   r¿   Ú	referencer   r   r   r  9  s   ÿzPdfParser.next_object_ids   [][()<>{}/%]s$   [][()<>{}/%\000\011\012\014\015\040]s   [\000\011\012\014\015\040]s#   [\000\011\012\014\015\0400-9a-fA-F]ó   *ó   +s   [\000\011\014\040]*s   [\r\n]+s   trailers   \<\<(.*\>\>)s	   startxrefs   ([0-9]+)s   %%EOFó   $s   \<\<(.*?\>\>)c                 C   sÆ   t | jƒd }|| jk r| j}| j | j|¡}t|dƒ |}|r0|}| j | j| ¡ d ¡}|s |s4|}| d¡}t| d¡ƒ| _	|  
|¡| _tƒ | _| j| j	d� d| jv ra|  | jd ¡ d S d S )Né @  ztrailer end not foundé   rn   r©   ©Úxref_section_offsetr   )r=   rË   râ   Úre_trailer_endÚsearchrI   ÚstartÚgroupr·   rô   Úinterpret_trailerrõ   ra   rö   Úread_xref_tableÚread_prev_trailer)rM   Úsearch_start_offsetÚmÚ
last_matchÚtrailer_datar   r   r   r4  k  s(   

þ

ÿzPdfParser.read_trailerc                 C   s˜   | j |d�}| j | j||d … ¡}t|dƒ | d¡}tt| d¡ƒ|kdƒ |  |¡}d|v rJ| |¡ t|d |vdƒ |  	|d |¡ d S d S )	Nr>  r<  zprevious trailer not foundrn   r©   zGxref section offset in previous trailer doesn't match what was expectedr   ztrailer loop found)
rE  Úre_trailer_prevrA  rË   rI   rC  r·   rD  r™   rF  )rM   r?  Úprocessed_offsetsÚtrailer_offsetrH  rJ  rõ   r   r   r   rF  €  s$   ÿ

þ

ÿûzPdfParser.read_prev_trailers   /([!-$&'*-.0-;=?-Z\\^-z|~]+)(?=rÕ   s   \<\<s   \>\>c                 C   sÀ   i }d}	 | j  ||¡}|s+| j ||¡}t|o| ¡ t|ƒkdt||d … ƒ ƒ n|  | d¡¡}|  	|| ¡ ¡\}}|||< qtd|v oMt
|d tƒdƒ td|v o[t
|d tƒdƒ |S )	Nr   Tz+name not found in trailer, remaining data: rn   r  z&/Size not in trailer or not an integerr  z1/Root not in trailer or not an indirect reference)Úre_nameÚmatchÚre_dict_endrI   Úendr=   rŠ   r�   rC  Ú	get_valuer…   r·   rJ   )rŽ   rJ  Útrailerr¿   rH  rh   ri   r   r   r   rD  �  s4   ÿþôþþzPdfParser.interpret_trailers   ([^#]*)(#([0-9a-fA-F]{2}))?Fc                 C   sj   d}| j  |¡D ]!}| d¡r"|| d¡t | d¡ d¡¡ 7 }q|| d¡7 }q|r1| d¡S t|ƒS )NrÇ   é   rn   rQ   zutf-8)Úre_hashes_in_nameÚfinditerrC  r—   Úfromhexr>   r‡   )rŽ   ÚrawÚas_textr†   rH  r   r   r   r�   º  s   
&
zPdfParser.interpret_names   null(?=s   true(?=s   false(?=s   ([-+]?[0-9]+)(?=s)   ([-+]?([0-9]+\.[0-9]*|[0-9]*\.[0-9]+))(?=s   \[ó   ]s   \<(s   *)\>rØ   s   ([-+]?[0-9]+)s   R(?=s   obj(?=s	   endobj(?=r×   s	   %[^\r\n]*s   )*s   stream\r?\ns   endstream(?=r³   c              
   C   sÒ  |dkrdS | j  ||¡}|r| ¡ }| j ||¡}|rttt| d¡ƒdkdƒ tt| d¡ƒdkdƒ t|d u pI|tt| d¡ƒt| d¡ƒƒkdƒ | j|| ¡ |d d�\}}|d u rb|d fS | j	 ||¡}t|d	ƒ || ¡ fS t| d
ƒ | j
 ||¡}|r®tt| d¡ƒdkdƒ tt| d¡ƒdkdƒ tt| d¡ƒt| d¡ƒƒ| ¡ fS | j ||¡}|�ra| ¡ }i }| j ||¡}|sü| j|||d d�\}}|d u rÛ|d fS | j|||d d�\}	}|	||< |d u ró|d fS | j ||¡}|rÇ| ¡ }| j ||¡}|�rYzt|d ƒ}
W n tttf�y- } ztd| dd ¡ ƒ|‚d }~ww || ¡ | ¡ |
 … }| j || ¡ |
 ¡}t|dƒ | ¡ }tt|ƒ|ƒ}||fS t|ƒ}||fS | j ||¡}|�r¥| ¡ }g }| j ||¡}|�sŸ| j|||d d�\}	}| |	¡ |d u �r•|d fS | j ||¡}|�r{|| ¡ fS | j ||¡}|�rµd | ¡ fS | j ||¡}|�rÅd| ¡ fS | j ||¡}|�rÕd| ¡ fS | j ||¡}|�rít|  | d¡¡ƒ| ¡ fS | j ||¡}|�rt| d¡ƒ| ¡ fS | j  ||¡}|�rt!| d¡ƒ| ¡ fS | j" ||¡}|�rIt#dd„ | d¡D ƒƒ}t$|ƒd dk�r=| t%dƒ¡ t# &| 'd¡¡| ¡ fS | j( ||¡}|�r[|  )|| ¡ ¡S tdt*|||d … ƒ ƒ‚)Nr   )NNrn   z<indirect object definition: object ID must be greater than 0r©   z;indirect object definition: generation must be non-negativez2indirect object definition different than expected)Úmax_nestingz(indirect object definition end not foundz$indirect object definition not foundz;indirect object reference: object ID must be greater than 0z:indirect object reference: generation must be non-negatives   Lengthz)bad or missing Length in stream dict (%r)zstream end not foundTFc                 s   s   � | ]	}|d v r|V  qdS )s   0123456789abcdefABCDEFNr   rÈ   r   r   r   r<   e  s   € ÿz&PdfParser.get_value.<locals>.<genexpr>ó   0rQ   zunrecognized object: é    )+Ú
re_commentrO  rQ  Úre_indirect_def_startrI   r·   rC  rJ   rR  Úre_indirect_def_endÚre_indirect_referenceÚre_dict_startrP  Úre_stream_startÚ	TypeErrorrk   r2  rB   r8   Úre_stream_endrÉ   r¤   Úre_array_startÚre_array_endr™   Úre_nullÚre_trueÚre_falserN  r„   r�   Úre_intÚre_realrÙ   Úre_string_hexr—   r=   r“   rW  r>   Úre_string_litÚget_literal_stringrŠ   )rŽ   r�   r¿   Úexpect_indirectr[  rH  Úobjectr›   rh   ri   Ú
stream_lenr½   Ústream_dataÚ
hex_stringr   r   r   rR  ø  sö   þþÿü
ÿþþ&ø	
ÿÿý€ÿ
ÿ

ûÿzPdfParser.get_valuesF   (\\[nrtbf()\\])|(\\[0-9]{1,3})|(\\(\r\n|\r|\n))|(\r\n|\r|\n)|(\()|(\))ó   nrÂ   ó   ró   ó   tó   	ó   bó   ó   fó   rÖ   c                 C   s  d}t ƒ }| j ||¡D ]u}| ||| ¡ … ¡ | d¡r,| | j| d¡d  ¡ nQ| d¡rA| t| d¡dd … dƒ¡ n<| d¡rGn6| d¡rR| d¡ n+| d¡ra| d	¡ |d7 }n| d
¡r}|dkrtt	|ƒ| 
¡ f  S | d¡ |d8 }| 
¡ }qtdƒ‚)Nr   rn   r©   é   rT  é   rÂ   é   r×   é   rÕ   zunfinished literal string)r—   Úre_lit_str_tokenrV  rš   rB  rC  Úescaped_charsr™   r·   r‡   rQ  rB   )rŽ   r�   r¿   Únesting_depthr›   rH  r   r   r   ro  ˆ  s,   

 







zPdfParser.get_literal_strings   xrefs+   ([0-9]{10}) ([0-9]{5}) ([fn])( \r| \n|\r\n)c                 C   s  d}| j  | j|| j ¡}t|dƒ | ¡ }	 | j | j|¡}|s)t|dƒ 	 |S d}| ¡ }t| d¡ƒ}t| d¡ƒ}t	||| ƒD ]@}| j
 | j|¡}t|dƒ | ¡ }| d¡d	k}t| d¡ƒ}	|s„t| d¡ƒ|	f}
t|| jvp|| j| |
kd
ƒ |
| j|< qDq)NFzxref section start not foundTzxref subsection start not foundrn   r©   zxref entry not foundrT  r|  z)xref entry duplicated (and not identical))Úre_xref_section_startrO  rË   râ   rI   rQ  Úre_xref_subsection_startr·   rC  r�   Úre_xref_entryrö   )rM   r?  Úsubsection_foundrH  r¿   Úfirst_objectÚnum_objectsr  Úis_freerU   Ú	new_entryr   r   r   rE  ¬  sB   ÿ
ÿï
þ
€ézPdfParser.read_xref_tablec              
   C   st   | j |d  \}}t||d kd|d › d|d › d|› d|› �ƒ | j| j|| j t|Ž |d�d }|| j|< |S )Nr   rn   zexpected to find generation z for object ID z) in xref table, instead found generation z at offset )rp  r[  )rö   rI   rR  rË   râ   rJ   rè   )rM   r'  r[  r¿   rU   ri   r   r   r   r5  Í  s&   
ÿÿþüû
zPdfParser.read_indirectc                 C   sj   |d u r| j }t|d dkdƒ g }|d D ]}|  |¡}|d dkr)| |¡ q| | j|d�¡ q|S )Nr3  r
  z%/Type of page tree node is not /Pagess   Kidsr&  )Únode)rð   rI   r5  r™   rš   r6  )rM   r�  rñ   ÚkidÚ
kid_objectr   r   r   r6  Ý  s   ÿ
zPdfParser.linearize_page_tree)NNNr   rß   r6   )F)Nr³   )r³   )IrC   rD   rE   rF   rf   rù   rþ   r   rÿ   rú   r÷   r  r  r  r  r%  r  r  r  Ústaticmethodræ   ré   r  Ú	delimiterÚdelimiter_or_wsÚ
whitespaceÚwhitespace_or_hexÚwhitespace_optionalÚwhitespace_mandatoryÚwhitespace_optional_no_nlÚnewline_onlyÚnewlineÚreÚcompileÚDOTALLr@  rK  r4  rF  Úre_whitespace_optionalrN  rb  rP  rœ   rD  rU  r�   rh  ri  rj  rk  rl  rf  rg  rm  rn  ra  r_  r`  r^  rc  re  rR  r‚  r“   rƒ  ro  r…  r†  r‡  rE  r5  r6  r   r   r   r   rŒ   a  s¼   
%
	


ÿþýüûúùø	÷
öõóÿþýüûúùø	÷
öô
ÿþýÿ

ÿÿþýÿÿÿþýüûúùÿ
ÿþýüûúùÿ
ÿÿÿyÿÿþýüûúùø	÷
öõôóòñð
ÿþýüûÿ

!rŒ   )r»   r   r¥   r/  r  rš  r¸   rÐ   r	   r7   rA   rà   rB   rI   Ú
namedtuplerJ   r_   ra   r„   rÝ   rž   r¦   r¤   rÆ   rÉ   r    rŒ   r   r   r   r   Ú<module>   sÊ    ÿþýüûúùø	÷
öõôóòñðïîíìëêéèçæåäãâá à!ß"Þ#×-
ÿ['0