o
    e                  	   @  s  d dl m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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$d%d&i d'd(d)d*d+d,d-d.d/d0d1d2d3d4d5d6d7d8d9d:d;d<d=d>d?d@dAdBdCdDdEdFdGdHdIdJdKdLdMdNdOdPZdQdR ZG dSdT dTeZdUdV ZG dWdX dXedYdZd[gZG d\d] d]eZG d^d_ d_ZG d`da daZG dbdc dceZG ddde deejZG dfdg dgZG dhdi diZdjdk ZG dldm dmZdS )n    )annotationsNc                 C  s   t j| d S )N	utf_16_be)codecsBOM_UTF16_BEencode)s r   @/var/www/html/venv/lib/python3.10/site-packages/PIL/PdfParser.pyencode_text      r
         u   ˘   u   ˇ   u   ˆ   u   ˙   u   ˝   u   ˛   u   ˚   u   ˜   u   •   u   †   u   ‡   u   …   u   —   u   –   u   ƒ   u   ⁄   u   ‹   u   ›   u   −   u   ‰   u   „   u   “   u   ”   u   ‘   u   ’   u   ‚   u   ™   u   ﬁ   u   ﬂ   u   Ł   u   Œ   u   Š   u   Ÿu   Žu   ıu   łu   œu   šu   žu   €)                     c                 C  sD   | d t tj tjkr| t tjd  dS ddd | D S )Nr    c                 s  s     | ]}t |t|V  qd S N)PDFDocEncodinggetchr).0byter   r   r	   	<genexpr>D   s    zdecode_text.<locals>.<genexpr>)lenr   r   decodejoin)br   r   r	   decode_text@   s   rB   c                   @  s   e Zd ZdZdS )PdfFormatErrorz\An error that probably indicates a syntactic or semantic error in the
    PDF file structureN)__name__
__module____qualname____doc__r   r   r   r	   rC   G   s    rC   c                 C  s   | st |d S r7   )rC   )	conditionerror_messager   r   r	   check_format_conditionN   s   rJ   c                   @  s4   e Zd Zdd Zdd Zdd Zdd Zd	d
 ZdS )IndirectReferencec                 C     | j  d| j dS )N z R	object_id
generationselfr   r   r	   __str__V      zIndirectReference.__str__c                 C  s   |   dS Nus-ascii)rS   r   rQ   r   r   r	   	__bytes__Y   s   zIndirectReference.__bytes__c                 C  s$   |j | j u o|j| jko|j| jkS r7   )	__class__rO   rP   rR   otherr   r   r	   __eq__\   s
   

zIndirectReference.__eq__c                 C  s
   | |k S r7   r   rY   r   r   r	   __ne__c      
zIndirectReference.__ne__c                 C  s   t | j| jfS r7   )hashrO   rP   rQ   r   r   r	   __hash__f   r   zIndirectReference.__hash__N)rD   rE   rF   rS   rW   r[   r\   r_   r   r   r   r	   rK   S   s    rK   IndirectReferenceTuplerO   rP   c                   @     e Zd Zdd ZdS )IndirectObjectDefc                 C  rL   )NrM   z objrN   rQ   r   r   r	   rS   k   rT   zIndirectObjectDef.__str__N)rD   rE   rF   rS   r   r   r   r	   rb   j       rb   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 )	XrefTablec                 C  s    i | _ i | _ddi| _d| _d S )Nr   i   F)existing_entriesnew_entriesdeleted_entriesreading_finishedrQ   r   r   r	   __init__p   s   

zXrefTable.__init__c                 C  s6   | j r	|| j|< n|| j|< || jv r| j|= d S d S r7   )rh   rf   re   rg   rR   keyvaluer   r   r	   __setitem__v   s   

zXrefTable.__setitem__c                 C  s*   z| j | W S  ty   | j|  Y S w r7   )rf   KeyErrorre   rR   rk   r   r   r	   __getitem__~   s
   zXrefTable.__getitem__c                 C  s   || 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 dt| d }t|)N   z
object ID z+ cannot be deleted because it doesn't exist)rf   rg   re   str
IndexError)rR   rk   rP   msgr   r   r	   __delitem__   s   


zXrefTable.__delitem__c                 C  s   || j v p	|| jv S r7   )re   rf   ro   r   r   r	   __contains__   rT   zXrefTable.__contains__c                 C  s.   t t| j t| j B t| j B S r7   )r>   setre   keysrf   rg   rQ   r   r   r	   __len__   s   zXrefTable.__len__c                 C  s*   t | j t | j  t | j B S r7   )rw   re   rx   rg   rf   rQ   r   r   r	   rx      s   zXrefTable.keysc              	   C  sF  t t| j t| j B }t t| j }| }|d |rd }t|D ]\}}|d u s8|d |kr;|}q*|d | }||d  } n|}d }|d|d t|f  |D ]B}	|	| jv rn|d| j|	   q\|	d}
t
|	|
kd|	 d|
  z|d }W n ty   d}Y nw |d|| j|	 f  q\|s$|S )	Ns   xref
rq   s   %d %d
r   s   %010d %05d n 
z*expected the next deleted object ID to be z, instead found s   %010d %05d f 
)sortedrw   rf   rx   rg   tellwrite	enumerater>   poprJ   rs   )rR   frx   deleted_keys	startxrefprevindexrk   contiguous_keysrO   this_deleted_object_idnext_in_linked_listr   r   r	   r|      sJ    


 zXrefTable.writeN)rD   rE   rF   ri   rm   rp   ru   rv   ry   rx   r|   r   r   r   r	   rd   o   s    rd   c                   @  sd   e Zd Zdd Zdd Zdd Zdd Zd	d
 Zedd Z	e
edddd dD  Zdd ZdS )PdfNamec                 C  s:   t |tr|j| _d S t |tr|| _d S |d| _d S rU   )
isinstancer   namebytesr   )rR   r   r   r   r	   ri      s
   


zPdfName.__init__c                 C  s   | j dS rU   )r   r?   rQ   r   r   r	   name_as_str   s   zPdfName.name_as_strc                 C  s    t |to
|j| jkp|| jkS r7   )r   r   r   rY   r   r   r	   r[      s   zPdfName.__eq__c                 C  s
   t | jS r7   )r^   r   rQ   r   r   r	   r_      r]   zPdfName.__hash__c                 C  s   dt | j dS )NzPdfName())reprr   rQ   r   r   r	   __repr__   s   zPdfName.__repr__c                 C  s   | t |S r7   )	PdfParserinterpret_name)clsdatar   r   r	   from_pdf_stream   s   zPdfName.from_pdf_stream!      c                 C  s   h | ]}t |qS r   )ord)r;   cr   r   r	   	<setcomp>   s    zPdfName.<setcomp>z#%/()<>[]{}c                 C  s@   t d}| jD ]}|| jv r|| q|d|  qt|S )N   /s   #%02X)	bytearrayr   allowed_charsappendextendr   )rR   resultrA   r   r   r	   rW      s   

zPdfName.__bytes__N)rD   rE   rF   ri   r   r[   r_   r   classmethodr   rw   ranger   rW   r   r   r   r	   r      s    
r   c                   @  ra   )PdfArrayc                 C  s   dd dd | D  d S )Ns   [     c                 s  s    | ]}t |V  qd S r7   )pdf_repr)r;   xr   r   r	   r=          z%PdfArray.__bytes__.<locals>.<genexpr>s    ])r@   rQ   r   r   r	   rW         zPdfArray.__bytes__N)rD   rE   rF   rW   r   r   r   r	   r      rc   r   c                   @  s$   e Zd Zdd Zdd Zdd ZdS )PdfDictc                 C  s.   |dkrt j| || d S || |d< d S )Nr   rV   )collectionsUserDict__setattr__r   rj   r   r   r	   r      s   zPdfDict.__setattr__c              
   C  s  z	| | d }W n ty } zt||d }~ww t|tr$t|}|dr|dr4|dd  }d}t|dkrZ|d }t	|dd d	 }t|d
krZ|t	|dd
 7 }dd t|d  }t
|d t|d  |}|dv r|d	9 }|dkr|d9 }t
t|| }|S )NrV   DatezD:   Z         <         z%Y%m%d%H%M%S)+-r   )r   rn   AttributeErrorr   r   rB   endswith
startswithr>   inttimestrptimegmtimecalendartimegm)rR   rk   rl   erelationshipoffsetformatr   r   r	   __getattr__   s2   



zPdfDict.__getattr__c                 C  sn   t d}|  D ]%\}}|d u rqt|}|d |tt| |d || q|d t|S )N   <<   
r   s   
>>)r   itemsr   r   r   r   )rR   outrk   rl   r   r   r	   rW     s   


zPdfDict.__bytes__N)rD   rE   rF   r   r   rW   r   r   r   r	   r      s    r   c                   @     e Zd Zdd Zdd ZdS )	PdfBinaryc                 C  s
   || _ d S r7   )r   )rR   r   r   r   r	   ri   (  r]   zPdfBinary.__init__c                 C  s   dd dd | jD  S )Ns   <%s>    c                 s  s    | ]}d | V  qdS )s   %02XNr   r;   rA   r   r   r	   r=   ,  r   z&PdfBinary.__bytes__.<locals>.<genexpr>)r@   r   rQ   r   r   r	   rW   +  s   zPdfBinary.__bytes__N)rD   rE   rF   ri   rW   r   r   r   r	   r   '  s    r   c                   @  r   )	PdfStreamc                 C  s   || _ || _d S r7   )
dictionarybuf)rR   r   r   r   r   r	   ri   0  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|dS dt	| j j d}t
|)Ns   FlateDecode)bufsizezstream filter z unknown/unsupported)r   Filterr   r   DLLengthzlib
decompressr   r   NotImplementedError)rR   filterexpected_lengthrt   r   r   r	   r?   4  s   
zPdfStream.decodeN)rD   rE   rF   ri   r?   r   r   r   r	   r   /  s    r   c                 C  s  | du rdS | du rdS | d u rdS t | ttttfrt| S t | ttfr-t| 	dS t | t
jr@dt
d| 	d d	 S t | trKtt| S t | trVtt| S t | tratt| S t | tr~| d
d} | dd} | d	d} d|  d	 S t| S )NTs   trueFs   falses   nullrV   s   (D:z%Y%m%d%H%M%SZ   )   \s   \\   (   \(s   \))r   r   r   r   r   r   r   floatrr   r   r   struct_timestrftimedictlistr   r
   replace)r   r   r   r	   r   D  s0   



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$ Zd%d& Zdsd'd(Zd)Zd*Zd+Zd,Zed- Zed. Zd/Zd0Zee e Ze !ed1 e d2 e d3 e d4 e d5 e d6 e j"Z#e !ed1 e d7 e d3 e d4 e d5 e e j"Z$d8d9 Z%d:d; Z&e !eZ'e !ed< e d= Z(e !ed> Z)e !ed? e Z*e+d@dA Z,e !dBZ-e+dtdDdE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[Z>e !d\Z?i d]d^d_d`dadbdcdddedfdTdTd=d=dgdge@d]d^e@d_d`e@dadbe@dcdde@dedfe@dTdTe@d=d=e@dgdgZAe+dhdi ZBe !edj e ZCe !ed4 e d4 e e ZDe !dkZEdldm ZFdvdndoZGdsdpdqZHdS )wr   z|Based on
    https://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/PDF32000_2008.pdf
    Supports PDF up to 1.4
    Nr   rbc                 C  s  |r
|r
d}t ||| _|| _|| _|| _d| _d| _|d ur/|d u r/t|| | _}d| _|d urI| | | _}d| _|sIt	|drI|j
| _i | _|rS|   n*d | _| _t | _d | _t | _d | _i | _g | _g | _d | _d | _i | _t | _d| j_|r|   d S d S )Nz4specify buf or f or filename, but not both buf and fFTr   r   )RuntimeErrorfilenamer   r   start_offsetshould_close_bufshould_close_fileopenget_buf_from_filehasattrr   cached_objectsread_pdf_infofile_size_totalfile_size_thisr   rootroot_refinfoinfo_refpage_tree_rootpages
orig_pages	pages_reflast_xref_section_offsettrailer_dictrd   
xref_tablerh   seek_end)rR   r   r   r   r   modert   r   r   r	   ri   g  sH   
zPdfParser.__init__c                 C  s   | S r7   r   rQ   r   r   r	   	__enter__  s   zPdfParser.__enter__c                 C  s   |    dS )NF)close)rR   exc_type	exc_value	tracebackr   r   r	   __exit__  s   zPdfParser.__exit__c                 C  s   |    |   d S r7   )	close_bufr   rQ   r   r   r	   start_writing  s   zPdfParser.start_writingc                 C  s,   z| j   W n	 ty   Y nw d | _ d S r7   )r   r   r   rQ   r   r   r	   r    s   
zPdfParser.close_bufc                 C  s:   | j r|   | jd ur| jr| j  d | _d S d S d S r7   )r   r  r   r   r   rQ   r   r   r	   r     s   

zPdfParser.closec                 C  s   | j dtj d S )Nr   )r   seekosSEEK_ENDrQ   r   r   r	   r     rT   zPdfParser.seek_endc                 C  s   | j d d S )Ns	   %PDF-1.4
)r   r|   rQ   r   r   r	   write_header  r   zPdfParser.write_headerc                 C  s   | j d| d  d S )Nz% 
)r   r|   r   )rR   r   r   r   r	   write_comment  r   zPdfParser.write_commentc                 C  sl   |    | | j | _| d| _|   | j| jtd| jd | j| jtdt	| j
| j
d | jS )Nr      Catalog)TypePages   Pages)r  CountKids)del_rootnext_object_idr   r{   r   r   rewrite_pages	write_objr   r>   r   rQ   r   r   r	   write_catalog  s   zPdfParser.write_catalogc                 C  s   g }t | jD ]N\}}| j| }| j|j= ||td  || jvr$qi }| D ]
\}}|||	 < q*| j
|d< | jdi |}t | jD ]\}	}
|
|krT|| j|	< qGq|D ]}|rt| j| }|j| jv rl| j|j= |dd }|s\qXg | _d S )Ns   ParentParentr7   )r}   r   r   r   rO   r   r   r   r   r   r   
write_pager9   )rR   pages_tree_nodes_to_deleteipage_ref	page_infostringified_page_infork   rl   new_page_refjcur_page_refpages_tree_node_refpages_tree_noder   r   r	   r    s4   







zPdfParser.rewrite_pagesc                 C  s   |r	|    || _| jr| d | j| _| j| j}t| j}| j|d}| j	d ur0| j	|d< | jr8| j|d< || _	| jdt
t| d|   d S )N)   Root   Size   Prev   Infos   trailer
s   
startxref
%d
%%%%EOF)r  r   r   r  r   r   r|   r   r>   r   r   r   )rR   new_root_ref
start_xrefnum_entriesr   r   r   r	   write_xref_and_trailer  s(   




z PdfParser.write_xref_and_trailerc                 O  sR   t |tr
| j| }d|vrtd|d< d|vr| j|d< | j|g|R i |S )Nr     Pager  )r   r   r   r   r   r  )rR   refobjsdict_objr   r   r	   r    s   


zPdfParser.write_pagec                 O  s   | j }|d u r| | }n| |jf| j|j< |tt|  |	dd }|d ur3t
||d< |r<|t| |D ]	}|t| q>|d ur[|d || |d |d |S )Nstreamr   s   stream
s   
endstream
s   endobj
)r   r  r{   rP   r   rO   r|   r   rb   r~   r>   r   )rR   r+  r,  r-  r   r.  objr   r   r	   r    s$   



zPdfParser.write_objc                 C  s.   | j d u rd S | j| j j= | j| jd j= d S )Nr  )r   r   rO   r   rQ   r   r   r	   r    s   
zPdfParser.del_rootc                 C  sR   t | dr	|  S t | dr|  S ztj|  dtjdW S  ty(   Y dS w )N	getbuffergetvaluer   )accessr   )r   r0  r1  mmapfilenoACCESS_READ
ValueError)r   r   r   r	   r     s   

zPdfParser.get_buf_from_filec                 C  s   t | j| _| j| j | _|   | jd | _| jdd | _	t
| | j| _| j	d u r2t
 | _n	t
| | j	| _td| jv d t| jd dkd td| jv d tt| jd td	 | jd | _| | j| _| | j| _| jd d  | _d S )
Nr"  r%     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>   r   r   r   r   read_trailerr   r   r9   r   r   read_indirectr   r   rJ   r   rK   r   r   linearize_page_treer   r   rQ   r   r   r	   r     s,   

zPdfParser.read_pdf_infoc                 C  sV   zt t| j d d}W n ty   t dd}Y nw |d ur)|df| j|j< |S )Nrq   r   )rK   maxr   rx   r6  rO   )rR   r   	referencer   r   r	   r  :  s   zPdfParser.next_object_ids   [][()<>{}/%]s$   [][()<>{}/%\000\011\012\014\015\040]s   [\000\011\012\014\015\040]s#   [\000\011\012\014\015\0400-9a-fA-F]   *   +s   [\000\011\014\040]*s   [\r\n]+s   trailers   <<(.*>>)s	   startxrefs   ([0-9]+)s   %%EOF   $s	   <<(.*?>>)c                 C  s   t | jd }|| jk r| j}| j| j|}t|d |}|r0|}| j| j| d }|s |s4|}|d}t|d| _	| 
|| _t | _| j| j	d d| jv ra| | jd  d S d S )N @  ztrailer end not found   rq   r   xref_section_offsetr$  )r>   r   r   re_trailer_endsearchrJ   startgroupr   r   interpret_trailerr   rd   r   read_xref_tableread_prev_trailer)rR   search_start_offsetm
last_matchtrailer_datar   r   r	   r8  l  s(   



zPdfParser.read_trailerc                 C  sz   | j |d}| j| j||d  }t|d |d}tt|d|kd | |}d|v r;| |d  d S d S )NrB  r@  zprevious trailer not foundrq   r   zGxref section offset in previous trailer doesn't match what was expectedr$  )	rI  re_trailer_prevrE  r   rJ   rG  r   rH  rJ  )rR   rC  trailer_offsetrL  rN  r   r   r   r	   rJ    s   


zPdfParser.read_prev_trailers   /([!-$&'*-.0-;=?-Z\\^-z|~]+)(?=r   r   s   >>c                 C  s   i }d}	 | j ||}|s+| j||}t|o| t|kdt||d    n| |d}| 	|| \}}|||< qtd|v oMt
|d td td|v o[t
|d td |S )	Nr   Tz+name not found in trailer, remaining data: rq   r#  z&/Size not in trailer or not an integerr"  z1/Root not in trailer or not an indirect reference)re_namematchre_dict_endrJ   endr>   r   r   rG  	get_valuer   r   rK   )r   rN  trailerr   rL  rk   rl   r   r   r	   rH    s4   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|S )Nr      rq   rV   zutf-8)re_hashes_in_namefinditerrG  r   fromhexr?   r   )r   rawas_textr   rL  r   r   r	   r     s   
&
zPdfParser.interpret_names   null(?=s   true(?=s   false(?=s   ([-+]?[0-9]+)(?=s)   ([-+]?([0-9]+\.[0-9]*|[0-9]*\.[0-9]+))(?=s   \[   ]s   <(s   *)>r   s   ([-+]?[0-9]+)s   R(?=s   obj(?=s	   endobj(?=r   s	   %[^\r\n]*s   )*s   stream\r?\ns   endstream(?=r   c              
   C  s  |dkrdS | j ||}|r| }| j||}|rttt|ddkd tt|ddkd t|d u pI|tt|dt|dkd | j|| |d d\}}|d u rb|d fS | j	||}t|d	 || fS t| d
 | j
||}|rtt|ddkd tt|ddkd tt|dt|d| fS | j||}|rc| }i }| j||}|s| j|||d d\}}|d u r|d fS | j|||d d\}	}|	||< |d u r|d fS | j||}|r| }| j||}|r[zt|d }
W n tttfy/ } zd|dd  }t||d }~ww || | |
  }| j|| |
 }t|d | }tt||}||fS t|}||fS | j||}|r| }g }| j||}|s| j|||d d\}	}||	 |d u r|d fS | j||}|r}|| fS | j||}|rd | fS | j||}|rd| fS | j||}|rd| fS | j||}|rt| |d| fS | j||}|rt|d| fS | j ||}|rt!|d| fS | j"||}|rKt#dd |dD }t$|d dkr?|t%d t#&|'d| fS | j(||}|r]| )|| S dt*|||d   }t|)Nr   )NNrq   z<indirect object definition: object ID must be greater than 0r   z;indirect object definition: generation must be non-negativez2indirect object definition different than expected)max_nestingz(indirect object definition end not foundz$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   r   r   r   r	   r=   b  s    z&PdfParser.get_value.<locals>.<genexpr>   0rV   zunrecognized object:     )+
re_commentrR  rT  re_indirect_def_startrJ   r   rG  rK   rU  re_indirect_def_endre_indirect_referencere_dict_startrS  re_stream_start	TypeErrorrn   r6  r9   rC   re_stream_endr   r   re_array_startre_array_endr   re_nullre_truere_falserQ  r   r   re_intre_realr   re_string_hexr   r>   r   rZ  r?   re_string_litget_literal_stringr   )r   r   r   expect_indirectr^  rL  objectr   rk   rl   
stream_lenr   rt   stream_data
hex_stringr   r   r	   rU    s   
&	



zPdfParser.get_valuesF   (\\[nrtbf()\\])|(\\[0-9]{1,3})|(\\(\r\n|\r|\n))|(\r\n|\r|\n)|(\()|(\))   nr      r      t   	   b      f   r   c                 C  s  d}t  }| j||D ]u}||||   |dr,|| j|dd   nQ|drA|t|ddd  d n<|drGn6|drR|d n+|dra|d	 |d7 }n|d
r}|dkrtt	||
 f  S |d |d8 }|
 }qd}t|)Nr   rq   r      rW     r      r      r   zunfinished literal string)r   re_lit_str_tokenrY  r   rF  rG  escaped_charsr   r   r   rT  rC   )r   r   r   nesting_depthr   rL  rt   r   r   r	   rr    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 | }	 | j| j|}|s)t|d 	 |S d}| }t|d}t|d}t	||| D ]6}| j
| j|}t|d | }|dd	k}|szt|d}	t|d|	f}
|| jvrz|
| j|< qDq)
NFzxref section start not foundTzxref subsection start not foundrq   r   zxref entry not foundrW  r  )re_xref_section_startrR  r   r   rJ   rT  re_xref_subsection_startr   rG  r   re_xref_entryr   )rR   rC  subsection_foundrL  r   first_objectnum_objectsr  is_freerP   	new_entryr   r   r	   rI    s<   



zPdfParser.read_xref_tablec              
   C  st   | j |d  \}}t||d kd|d  d|d  d| d|  | j| j|| j t| |dd }|| j|< |S )Nr   rq   zexpected to find generation z for object ID z) in xref table, instead found generation z at offset )rs  r^  )r   rJ   rU  r   r   rK   r   )rR   r+  r^  r   rP   rl   r   r   r	   r9    s&   

zPdfParser.read_indirectc                 C  sj   |d u r| j }t|d dkd g }|d D ]}| |}|d dkr)|| q|| j|d q|S )Nr7  r  z%/Type of page tree node is not /Pagess   Kidsr*  )node)r   rJ   r9  r   r   r:  )rR   r  r   kid
kid_objectr   r   r	   r:    s   
zPdfParser.linearize_page_tree)NNNr   r   r7   )F)Nr   )r   )IrD   rE   rF   rG   ri   r   r  r  r  r   r   r  r
  r  r  r)  r  r  r  staticmethodr   r   r  	delimiterdelimiter_or_ws
whitespacewhitespace_or_hexwhitespace_optionalwhitespace_mandatorywhitespace_optional_no_nlnewline_onlynewlinerecompileDOTALLrD  rO  r8  rJ  re_whitespace_optionalrQ  re  rS  r   rH  rX  r   rk  rl  rm  rn  ro  ri  rj  rp  rq  rd  rb  rc  ra  rf  rh  rU  r  r   r  rr  r  r  r  rI  r9  r:  r   r   r   r	   r   a  s   
&
	


	
	





z	



r   )
__future__r   r   r   r   r3  r  r  r   r   r
   r8   rB   r   rC   rJ   
namedtuplerK   rb   rd   r   r   r   r   r   r   r   r   r   r   r   r   r	   <module>   s    	
 !"#-
\'0