o
    Z#a                  	   @   s  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$d%i d&d'd(d)d*d+d,d-d.d/d0d1d2d3d4d5d6d7d8d9d:d;d<d=d>d?d@dAdBdCdDdEdFdGdHdIdJdKdLdMdNdOZ	dPdQ Z
G dRdS dSeZdTdU ZG dVdW dWedXdYdZgZG d[d\ d\eZG d]d^ d^ZG d_d` d`ZG dadb dbeZG dcdd ddejZG dedf dfZG dgdh dhZdidj ZG dkdl dlZdS )m    Nc                 C   s   t j| d S )N	utf_16_be)codecsBOM_UTF16_BEencode)s r   //usr/lib/python3/dist-packages/PIL/PdfParser.pyencode_text      r	         u   ˘   u   ˇ   u   ˆ   u   ˙   u   ˝   u   ˛   u   ˚   u   ˜   u   •   u   †   u   ‡   u   …   u   —   u   –   u   ƒ   u   ⁄   u   ‹   u   ›   u   −   u   ‰   u   „   u   “   u   ”   u   ‘   u   ’   u   ‚   u   ™   u   ﬁ   u   ﬂ   u   Ł   u   Œ   u   Š   u   Ÿu   Žu   ıu   łu   œu   šu   žu   €)                     c                 C   sD   | d t tj tjkr| t tjd  dS ddd | D S )Nr    c                 s   s     | ]}t |t|V  qd S N)PDFDocEncodinggetchr).0byter   r   r   	<genexpr>B   s    zdecode_text.<locals>.<genexpr>)lenr   r   decodejoin)br   r   r   decode_text>   s   rA   c                   @   s   e Zd ZdZdS )PdfFormatErrorz\An error that probably indicates a syntactic or semantic error in the
    PDF file structureN)__name__
__module____qualname____doc__r   r   r   r   rB   E   s    rB   c                 C   s   | st |d S r6   )rB   )	conditionerror_messager   r   r   check_format_conditionL   s   rI   c                   @   s4   e Zd Zdd Zdd Zdd Zdd Zd	d
 ZdS )IndirectReferencec                 C      d|  S )Nz%s %s Rr   selfr   r   r   __str__T      zIndirectReference.__str__c                 C   s   |   dS Nus-ascii)rN   r   rL   r   r   r   	__bytes__W   s   zIndirectReference.__bytes__c                 C   s$   |j | j u o|j| jko|j| jkS r6   )	__class__	object_id
generationrM   otherr   r   r   __eq__Z   s
   

zIndirectReference.__eq__c                 C   s
   | |k S r6   r   rV   r   r   r   __ne__a      
zIndirectReference.__ne__c                 C   s   t | j| jfS r6   )hashrT   rU   rL   r   r   r   __hash__d   r
   zIndirectReference.__hash__N)rC   rD   rE   rN   rR   rX   rY   r\   r   r   r   r   rJ   Q   s    rJ   IndirectReferenceTuplerT   rU   c                   @      e Zd Zdd ZdS )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       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 )	XrefTablec                 C   s    i | _ i | _ddi| _d| _d S )Nr   i   F)existing_entriesnew_entriesdeleted_entriesreading_finishedrL   r   r   r   __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   keyvaluer   r   r   __setitem__t   s   

zXrefTable.__setitem__c                 C   s*   z| j | W S  ty   | j|  Y S w r6   )rc   KeyErrorrb   rM   rh   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 tdt| d )N   z
object ID z+ cannot be deleted because it doesn't exist)rc   rd   rb   
IndexErrorstr)rM   rh   rU   r   r   r   __delitem__   s   


zXrefTable.__delitem__c                 C   s   || j v p	|| jv S r6   )rb   rc   rl   r   r   r   __contains__      zXrefTable.__contains__c                 C   s.   t t| j t| j B t| j B S r6   )r=   setrb   keysrc   rd   rL   r   r   r   __len__   s   zXrefTable.__len__c                 C   s*   t | j t | j  t | j B S r6   )rt   rb   ru   rd   rc   rL   r   r   r   ru      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
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 
)sortedrt   rc   ru   rd   tellwrite	enumerater=   poprI   ro   )rM   fru   deleted_keys	startxrefprevindexrh   contiguous_keysrT   this_deleted_object_idnext_in_linked_listr   r   r   ry      sJ    


 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 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 rP   )
isinstancer   namebytesr   )rM   r   r   r   r   rf      s
   


zPdfName.__init__c                 C   s   | j dS rP   )r   r>   rL   r   r   r   name_as_str   s   zPdfName.name_as_strc                 C   s    t |to
|j| jkp|| jkS r6   )r   r   r   rV   r   r   r   rX      s   zPdfName.__eq__c                 C   s
   t | jS r6   )r[   r   rL   r   r   r   r\      rZ   zPdfName.__hash__c                 C   s   dt | j dS )NzPdfName())reprr   rL   r   r   r   __repr__   s   zPdfName.__repr__c                 C   s   | t |S r6   )	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   )rM   resultr@   r   r   r   rR      s   

zPdfName.__bytes__N)rC   rD   rE   rf   r   rX   r\   r   classmethodr   rt   ranger   rR   r   r   r   r   r      s    
r   c                   @   r^   )PdfArrayc                 C   s   dd dd | D  d S )Ns   [     c                 s   s    | ]}t |V  qd S r6   )pdf_repr)r:   xr   r   r   r<          z%PdfArray.__bytes__.<locals>.<genexpr>s    ])r?   rL   r   r   r   rR         zPdfArray.__bytes__N)rC   rD   rE   rR   r   r   r   r   r      r`   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   rQ   )collectionsUserDict__setattr__r   rg   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$t|}|dr|dr4|dd  }d}t|dkrZ|d }t	|dd d	 }t|d
krZ|t	|dd
 7 }dd t|d  }t
|d t|d  |}|dv r|d	9 }|dkr|d9 }t
t|| }|S )NrQ   DatezD:   Z         <         z%Y%m%d%H%M%S)+-r   )r   rk   AttributeErrorr   r   rA   endswith
startswithr=   inttimestrptimegmtimecalendartimegm)rM   rh   ri   erelationshipoffsetformatr   r   r   __getattr__   s2   



zPdfDict.__getattr__c                 C   sn   t d}|  D ]%\}}|d u rqt|}|d |tt| |d || q|d t|S )Ns   <<   
r   s   
>>)r   itemsr   r   r   r   )rM   outrh   ri   r   r   r   rR     s   


zPdfDict.__bytes__N)rC   rD   rE   r   r   rR   r   r   r   r   r      s    r   c                   @      e Zd Zdd Zdd ZdS )	PdfBinaryc                 C   s
   || _ d S r6   )r   )rM   r   r   r   r   rf   %  rZ   zPdfBinary.__init__c                 C   s   dd dd | jD  S )Ns   <%s>    c                 s   s    | ]}d | V  qdS )s   %02XNr   r:   r@   r   r   r   r<   )  r   z&PdfBinary.__bytes__.<locals>.<genexpr>)r?   r   rL   r   r   r   rR   (  s   zPdfBinary.__bytes__N)rC   rD   rE   rf   rR   r   r   r   r   r   $  s    r   c                   @   r   )	PdfStreamc                 C   s   || _ || _d S r6   )
dictionarybuf)rM   r   r   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|dS t	dt
| j j d)Ns   FlateDecode)bufsizezstream filter z unknown/unsupported)r   Filterr   r   DLLengthzlib
decompressr   NotImplementedErrorr   )rM   filterexpected_lengthr   r   r   r>   1  s   
zPdfStream.decodeN)rC   rD   rE   rf   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r+t| dS t | t	r7t| dS t | t
jrJdt
d| d d	 S t | trUtt| S t | tr`tt| S t | trktt| S t | tr| d
d} | dd} | d	d} d|  d	 S t| S )NTs   trueFs   falses   nullrQ   s   (D:z%Y%m%d%H%M%SZ   )   \s   \\   (   \(s   \))r   r   r   r   r   r   r   rp   r   floatr   struct_timestrftimedictlistr   r	   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$ Zd%d& Zdsd'd(Zd)Zd*Zd+Zd,Zed- Zed. Zd/Zd0Zee e Ze !ed1 e d2 e d3 e d4 e d5 e d6 e j"Z#e !ed1 e d7 e d3 e d4 e d5 e e j"Z$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t d|| _|| _|| _|| _d| _d| _|d ur-|d u r-t|| | _}d| _|d urG| | | _}d| _|sGt	|drG|j
| _i | _|rQ|   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_dictra   
xref_tablere   seek_end)rM   r   r|   r   r   moder   r   r   rf   g  sF   
zPdfParser.__init__c                 C   s   | S r6   r   rL   r   r   r   	__enter__  s   zPdfParser.__enter__c                 C   s   |    dS )NF)close)rM   exc_type	exc_value	tracebackr   r   r   __exit__  s   zPdfParser.__exit__c                 C   s   |    |   d S r6   )	close_bufr   rL   r   r   r   start_writing  s   zPdfParser.start_writingc                 C   s,   z| j   W n	 ty   Y nw d | _ d S r6   )r   r   r   rL   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 r6   )r   r   r|   r   r   rL   r   r   r   r     s   

zPdfParser.closec                 C   s   | j dtj d S )Nr   )r|   seekos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   write_header  r
   zPdfParser.write_headerc                 C   s   | j d| d  d S )Nz% 
)r|   ry   r   )rM   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|   rx   r   r   rewrite_pages	write_objr   r=   r   rL   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$qi }| D ]
\}}|||	 < q*| j
|d< | jdi |}t | jD ]\}	}
|
|krT|| j|	< qGq|D ]}|rt| j| }|j| jv rl| j|j= |dd }|s\qXg | _d S )Ns   ParentParentr6   )rz   r   r   r   rT   r   r   r   r   r   r   
write_pager8   )rM   pages_tree_nodes_to_deleteipage_ref	page_infostringified_page_inforh   ri   new_page_refjcur_page_refpages_tree_node_refpages_tree_noder   r   r   r    s4   







zPdfParser.rewrite_pagesc                 C   s   |r	|    || _| jr| d | j| _| j| j}t| j}| j|d}| j	d ur0| j	|d< | jr8| j|d< || _	| jdt
t| d|   d S )N)   Root   Size   Prev   Infos   trailer
s   
startxref
%d
%%%%EOF)r  r   r   r  r   r   ry   r|   r=   r   r   r   )rM   new_root_ref
start_xrefnum_entriesr   r   r   r   write_xref_and_trailer  s(   




z PdfParser.write_xref_and_trailerc                 O   sR   t |tr
| j| }d|vrtd|d< d|vr| j|d< | j|g|R i |S )Nr     Pager  )r   r   r   r   r   r  )rM   refobjsdict_objr   r   r   r    s   


zPdfParser.write_pagec                 O   s   | j }|d u r| | }n| |jf| j|j< |tt|  |	dd }|d ur3t
||d< |r<|t| |D ]	}|t| q>|d ur[|d || |d |d |S )Nstreamr   s   stream
s   
endstream
s   endobj
)r|   r  rx   rU   r   rT   ry   r   r_   r{   r=   r   )rM   r'  r(  r)  r|   r*  objr   r   r   r    s$   



zPdfParser.write_objc                 C   s.   | j d u rd S | j| j j= | j| jd j= d S )Nr
  )r   r   rT   r   rL   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   r,  r-  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   r8   r   r   read_indirectr   r   rI   r   rJ   r   r   linearize_page_treer   r   rL   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 )Nrn   r   )rJ   maxr   ru   r2  rT   )rM   r   	referencer   r   r   r  9  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   rn   r   xref_section_offsetr   )r=   r   r   re_trailer_endsearchrI   startgroupr   r   interpret_trailerr   ra   r   read_xref_tableread_prev_trailer)rM   search_start_offsetm
last_matchtrailer_datar   r   r   r4  k  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 )Nr>  r<  zprevious trailer not foundrn   r   zGxref section offset in previous trailer doesn't match what was expectedr   )	rE  re_trailer_prevrA  r   rI   rC  r   rD  rF  )rM   r?  trailer_offsetrH  rJ  r   r   r   r   rF    s   


zPdfParser.read_prev_trailers   /([!-$&'*-.0-;=?-Z\\^-z|~]+)(?=r   s   \<\<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: rn   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_endrI   endr=   r   r   rC  	get_valuer   r   rJ   )r   rJ  trailerr   rH  rh   ri   r   r   r   rD    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      rn   rQ   zutf-8)re_hashes_in_namefinditerrC  r   fromhexr>   r   )r   rawas_textr   rH  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||}|ra| }i }| j||}|s| j|||d d\}}|d u r|d fS | j|||d d\}	}|	||< |d u r|d fS | j||}|r| }| j||}|rYzt|d }
W n tttfy- } ztd|dd  |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"||}|rIt#dd |dD }t$|d dkr=|t%d t#&|'d| fS | j(||}|r[| )|| S tdt*|||d   )Nr   )NNrn   z<indirect object definition: object ID must be greater than 0r   z;indirect object definition: generation must be non-negativez2indirect object definition different than expected)max_nestingz(indirect object definition end not foundz$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<   a  s    z&PdfParser.get_value.<locals>.<genexpr>   0rQ   zunrecognized object:     )+
re_commentrN  rP  re_indirect_def_startrI   r   rC  rJ   rQ  re_indirect_def_endre_indirect_referencere_dict_startrO  re_stream_start	TypeErrorrk   r2  rB   r8   re_stream_endr   r   re_array_startre_array_endr   re_nullre_truere_falserM  r   r   re_intre_realr   re_string_hexr   r=   r   rV  r>   re_string_litget_literal_stringr   )r   r   r   expect_indirectrZ  rH  objectr   rh   ri   
stream_lenr   stream_data
hex_stringr   r   r   rQ    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td)Nr   rn   r      rS     r      r      r   zunfinished literal string)r   re_lit_str_tokenrU  r   rB  rC  escaped_charsr   r   r   rP  rB   )r   r   r   nesting_depthr   rH  r   r   r   rn    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 ]@}| j
| j|}t|d | }|dd	k}t|d}	|st|d|	f}
t|| jvp|| j| |
kd
 |
| j|< qDq)NFzxref section start not foundTzxref subsection start not foundrn   r   zxref entry not foundrS  r{  z)xref entry duplicated (and not identical))re_xref_section_startrN  r   r   rI   rP  re_xref_subsection_startr   rC  r   re_xref_entryr   )rM   r?  subsection_foundrH  r   first_objectnum_objectsr  is_freerU   	new_entryr   r   r   rE    sB   


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   rn   zexpected to find generation z for object ID z) in xref table, instead found generation z at offset )ro  rZ  )r   rI   rQ  r   r   rJ   r   )rM   r'  rZ  r   rU   ri   r   r   r   r5    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 )Nr3  r
  z%/Type of page tree node is not /Pagess   Kidsr&  )node)r   rI   r5  r   r   r6  )rM   r  r   kid
kid_objectr   r   r   r6    s   
zPdfParser.linearize_page_tree)NNNr   r   r6   )F)Nr   )r   )IrC   rD   rE   rF   rf   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DOTALLr@  rK  r4  rF  re_whitespace_optionalrM  ra  rO  r   rD  rT  r   rg  rh  ri  rj  rk  re  rf  rl  rm  r`  r^  r_  r]  rb  rd  rQ  r  r   r  rn  r  r  r  rE  r5  r6  r   r   r   r   r   a  s   
%
	


	
	





y	



!r   )r   r   r   r/  r  r  r   r   r	   r7   rA   r   rB   rI   
namedtuplerJ   r_   ra   r   r   r   r   r   r   r   r   r   r   r   r   r   <module>   s    	
 !"#-
['0