
    i?1i,                     p   d dl Z d dlZd dlmZmZmZ d dlmZmZm	Z	m
Z
mZmZmZmZ g dZdZdZdZdZd	Zd
ZdZdZdZdZdZdZdededefdZdededefdZdededefdZ dededefdZ!de"de#defdZ$ee"eeef   f   Z%ee"eee
e   e
e   f   f   Z&ee"eeee#e%e&f   f   Z' G d d      Z( G d d       Z)y)!    N)packunpackcalcsize)BinaryIODictIterableListOptionalTupleUnioncast))>Lnumber)>Bflags)r   retention_flags)r   
page_assoc)r   data_length   @   ?      i   l    &   1   3   s   JB2

   bit_posvaluereturnc                 $    t        || z	  dz        S )Nr   bool)r   r   s     X/home/www/therecruiter.miabetepe.com/venv/lib/python3.12/site-packages/pdfminer/jbig2.pybit_setr%   %   s    '!Q&''    flagc                     t        | |z        S Nr"   )r'   r   s     r$   
check_flagr*   )   s    ur&   maskc                 f    t        dd      D ]  }t        ||       s|| z  |z	  c S  t        d      Nr      zInvalid mask or valueranger%   	Exceptionr+   r   r   s      r$   masked_valuer3   -   s>    B< -7D!DLW,,- +
,,r&   c                 l    t        dd      D ]  }t        ||       s|| |z	  z  |z  c S  t        d      r-   r/   r2   s      r$   
mask_valuer5   5   sC    B< :7D!TW_-'99: +
,,r&   formatbufferc                 X    | dv sJ t        t        t           t        | |            \  }|S )N>   r   >Ir   )r   r   intr   )r6   r7   results      r$   
unpack_intr<   =   s/    ''''E#Jvv 67HVMr&   c                       e Zd ZdZdeddfdZdee   fdZde	fdZ
ded	ed
edefdZded	ed
edefdZdeded
edefdZdeded
edefdZy)JBIG2StreamReaderz&Read segments from a JBIG2 byte streamstreamr    Nc                     || _         y r)   r?   selfr?   s     r$   __init__zJBIG2StreamReader.__init__M   	    r&   c                    g }| j                         si }t        D ]v  \  }}t        |      }| j                  j	                  |      }t        |      |k  rd|d<    n8t        ||      }t        | d|z  d       }t        |      r
 ||||      }|||<   x |j                  d      s|j                  |       | j                         s|S )NT_errorzparse_%s)is_eof
SEG_STRUCTr   r?   readlenr<   getattrcallablegetappend)	rC   segmentssegmentfield_formatname	field_lenfieldr   parsers	            r$   get_segmentszJBIG2StreamReader.get_segmentsP   s    ')++-$&G&0 
&"d$\2	((3u:	)(,GH%"<7 zD'8$?F#"7E59E %
& ;;x(( ++-  r&   c                     | j                   j                  d      dk(  ry| j                   j                  dt        j                         y)Nr   r&   TF)r?   rJ   seekosSEEK_CUR)rC   s    r$   rH   zJBIG2StreamReader.is_eofd   s7    ;;A#%KKR-r&   rQ   r   rU   c                 b    t        t        |      t        t        |      t        t        |      dS )N)deferredpage_assoc_longtype)r*   HEADER_FLAG_DEFERREDHEADER_FLAG_PAGE_ASSOC_LONGr3   SEG_TYPE_MASK)rC   rQ   r   rU   s       r$   parse_flagszJBIG2StreamReader.parse_flagsk   s.     ##7?)*EuM 6
 	
r&   c                    t        t        |      }g }g }|t        k  r,t        d      D ]  }|j	                  t        ||              n|| j                  j                  d      z  }t        d|      }t        t        |      }t        t        j                  |dz   dz              }t        |      D ]R  }	t        d| j                  j                  d            }
t        d      D ]  }|j	                  t        ||
              T |d   }t        |t              sJ |d	k  rd}n
|d
k  rd}nd}t        |      }t        |      D ]:  }| j                  j                  |      }t        ||      }|j	                  |       < |||dS )N      r   r      r   r   r         r9   )	ref_countretain_segmentsref_segments)r3   REF_COUNT_SHORT_MASKREF_COUNT_LONGr0   rO   r%   r?   rJ   r<   REF_COUNT_LONG_MASKr:   mathceil
isinstancer   )rC   rQ   r   rU   rk   rl   rm   r   ret_bytes_countret_byte_indexret_byteseg_num
ref_formatref_size	ref_indexref_datarefs                    r$   parse_retention_flagsz'JBIG2StreamReader.parse_retention_flagst   s    !!5u=	~% 8 @&&ww'>?@ T[[%%a((E"4/I$%8)DI!$))Y]a,?"@AO"'"8 G%dDKK,<,<Q,?@$Qx GG#**77H+EFGG
 (#'3'''c>JJJJ'y) 	%I{{''1HZ2C$	% #.(
 	
r&   pagec                     t        t        |d         d   r*|| j                  j                  d      z  }t	        d|      }|S )Nr   r_   rg   r   )r   JBIG2SegmentFlagsr?   rJ   r<   )rC   rQ   r~   rU   s       r$   parse_page_assocz"JBIG2StreamReader.parse_page_assoc   sB    !77#345FGT[[%%a((EdE*Dr&   lengthc                     |rOt        t        |d         d   t        k(  r|t        k(  rt	        d      | j
                  j                  |      |d<   |S )Nr   r`   z:Working with unknown segment length is not implemented yetraw_data)r   r   SEG_TYPE_IMMEDIATE_GEN_REGIONDATA_LEN_UNKNOWNNotImplementedErrorr?   rJ   )rC   rQ   r   rU   s       r$   parse_data_lengthz#JBIG2StreamReader.parse_data_length   s]     &(89&A01--)S  '+kk&6&6v&>
#r&   )__name__
__module____qualname____doc__r   rD   r	   JBIG2SegmentrW   r#   rH   r:   bytesr   rd   JBIG2RetentionFlagsr}   r   r    r&   r$   r>   r>   J   s    0x D d<0 ( 
#
,/
8=
	
(
#(
,/(
8=(
	(
T C  RU #-09>	r&   r>   c                      e Zd ZU dZd eee   g        eee   g       dZe	e
d<   deddfdZ	 dd	ee   d
edefdZ	 dd	ee   d
edefdZdedefdZdededefdZde	dedefdZdededefdZdededefdZdedefdZy)JBIG2StreamWriterz.Write JBIG2 segments to a file in JBIG2 formatr   )rk   rm   rl   EMPTY_RETENTION_FLAGSr?   r    Nc                     || _         y r)   rA   rB   s     r$   rD   zJBIG2StreamWriter.__init__   rE   r&   rP   fix_last_pagec                     d}d }d }|D ]  }| j                  |      }| j                  j                  |       |t        |      z  }t	        t
        t           |d         }|sZt	        t        |j                  d            }t	        t        |d         d   t        k(  rd }|s|} |rS|rQ|O| j                  |dz   |      }| j                  |      }| j                  j                  |       |t        |      z  }|S )Nr   r   r   r   r`   r   )encode_segmentr?   writerK   r   r
   r:   rN   r   SEG_TYPE_END_OF_PAGEget_eop_segment)	rC   rP   r   data_lencurrent_pagerw   rQ   dataseg_pages	            r$   write_segmentsz JBIG2StreamWriter.write_segments   s    &*!% 	,G&&w/DKKd#D	!H8C='(*;<GW[[%>? *GG,<=fE+, $(L#+L!	,$ \w/B**7Q;EG&&w/DKKd#D	!Hr&   c                    t         }t        }|t        d|      z  }t        dd      }||z  }| j                  j	                  |       t        |      }|| j                  ||      z  }d}|D ]  }t        t        |d         } |rd}	nd}	| j                  ||	z         }
| j                  |
      }| j                  j	                  |       |t        |      z  }|S )Nr   r   r   r   r      )FILE_HEADER_IDFILE_HEAD_FLAG_SEQUENTIALr   r?   r   rK   r   r   r:   get_eof_segmentr   )rC   rP   r   headerheader_flagsnumber_of_pagesr   rw   rQ   seg_num_offseteof_segmentr   s               r$   
write_filezJBIG2StreamWriter.write_file   s      0$t\** tQ-/!&!v;D''-@@ 	3G3 12G	3 NN**7^+CD"";/$CIr&   rQ   c                     d}t         D ]L  \  }}|j                  |      }t        | d|z  d       }t        |      r
 |||      }nt	        ||      }||z  }N |S )Nr&   z	encode_%s)rI   rN   rL   rM   r   )rC   rQ   r   rR   rS   r   encoderrU   s           r$   r   z JBIG2StreamWriter.encode_segment  sl    ", 	L$KK%EdK$$6=G w/\51EMD	 r&   r   c                    d}|j                  d      r	|t        z  }d|v r||d   rt        n|z  }n.|t        t        |j                  dd            dkD  rt        n|z  }|t        t        |d         z  }t        d|      S )Nr   r^   r_   r~      r`   r   )rN   ra   rb   r   r:   r5   rc   r   )rC   r   rQ   r   s       r$   encode_flagszJBIG2StreamWriter.encode_flags  s    99Z ))E%E:K4L0RWWEW[[34s: ,E 	M5=99D%  r&   c                 0   g }d}|d   }t        |t              sJ t        t        t           |j                  dg             }|dk  r@t        t        |      }t        |      D ]  \  }}	|	s	|d|z  z  } |j                  |       nt        j                  |dz   dz        }
dd|
z  z   }t        t        t              d	z  }|j                  |       t        |
      D ]B  }d
}||dz  |dz  dz    }t        |      D ]  \  }}||rd|z  n|z  } |j                  |       D t        t        t           |j                  dg             }t        t        |d         }|dk  rd}n
|dk  rd}nd}|D ]  }||z  }|j                  |        t        |g| S )Nr   rk   rl      r   rh   r   B   r   rm   r   ri   rj   IL)rs   r:   r   r	   r#   rN   r5   rn   	enumeraterO   rq   rr   ro   r0   r   )rC   r   rQ   r   flags_formatrk   rl   
flags_byterz   
ref_retainbytes_countflags_dword
byte_indexrv   ret_partr   ret_segrm   rw   rx   r|   s                        r$   encode_retention_flagsz(JBIG2StreamWriter.encode_retention_flags   s    +&	)S)))tDz5995F+KL>#$8)DJ)2?)C 1%	:!y.0J1 LL$))Y]a$78K3#45L$%9>JbPKLL%#K0 '
*:>JNQ<NO(1((; F$GWWXEHF X&' DIuyy'DEsGH-.c>JJJ 	CJ&LLL	 L)5))r&   c                 J    t        d|      }|t        t        |d         z  }|S )Nr   r   )r   r   r   )rC   r   rQ   r   s       r$   encode_data_lengthz$JBIG2StreamWriter.encode_data_lengthM  s)    D% UGJ/00r&   
seg_numberpage_numberc                 >    ddt         d||dt        j                  dS Nr   F)r^   r`   r&   )r   r   r   r   r   r   )r   r   r   )rC   r   r   s      r$   r   z!JBIG2StreamWriter.get_eop_segmentR  s*    "'1EF %0FF
 	
r&   c                 >    ddt         d|ddt        j                  dS r   )SEG_TYPE_END_OF_FILEr   r   )rC   r   s     r$   r   z!JBIG2StreamWriter.get_eof_segment\  s*    "'1EF 0FF
 	
r&   )T)r   r   r   r   r   r	   r:   r#   r   r   __annotations__r   rD   r   r   r   r   r   r   r   r   r   r   r   r   r   r&   r$   r   r      s/   8 T#Y+T
B/2. x D  GK .?C	D GK .?C	>
l 
u 
!"3 !l !u !$+*(+*3?+*	+*Z l u 

# 
C 
L 

# 
, 
r&   r   )*rq   r[   structr   r   r   typingr   r   r   r	   r
   r   r   r   rI   ra   rb   rc   rn   rp   ro   r   r   r   r   r   r   r:   r#   r%   r*   r3   r5   strr   r<   r   r   r   r>   r   r   r&   r$   <module>r      sj    	 ) ) O O O
 " ( !     !#    5& (S ( ( (S   -s -3 -3 --S - - -s E c  eCI../ 3c49d4j&@ AAB tS%!24GG	HH
i iXn
 n
r&   