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Edit File: PdfParser.cpython-38.pyc
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r� )rL r� r� r rs r �objr r r r� � s$ zPdfParser.write_objc C s. | j d krd S | j| j j= | j| jd j= d S )Nr� )r� r� rP r� rK r r r r� s zPdfParser.del_rootc C sX t | d�r| �� S t | d�r$| �� S ztj| �� dtjd�W S tk rR Y dS X d S )N� getbuffer�getvaluer )�access� )r� r r �mmap�filenoZ ACCESS_READ� ValueError)rs r r r r� s zPdfParser.get_buf_from_filec C s� t | j�| _| j| j | _| �� | jd | _| j�dd �| _ t | � | j��| _ | j d krdt � | _ nt | � | j ��| _ td| j kd� t| j d dkd� td| j kd� tt| j d t�d � | j d | _| � | j�| _| �| j�| _| jd d � | _d S ) Nr� r� � Typez/Type missing in Rootr� z /Type in Root is not /Catalogr� z/Pages missing in Rootz+/Pages in Root is not an indirect reference)r? r� r� r� r� � read_trailerr� r� r; r� r� � read_indirectr� r� rI rw rJ r� r� �linearize_page_treer� r� rK r r r r� % s. �� zPdfParser.read_pdf_infoc C sX z t t| j�� �d d�}W n tk r: t dd�}Y nX |d k rT|df| j|j< |S )Nrf r )rJ �maxr� rl r rP )rL r� Z referencer r r r� A s zPdfParser.next_object_ids [][()<>{}/%]s$ [][()<>{}/%\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\015\040]*s [\r\n]+s trailers \<\<(.*\>\>)s startxrefs ([0-9]+)s %%EOF� $s \<\<(.*?\>\>)c C s� t | j�d }|| jk r | j}| j�| j|�}t|d� |}|r^|}| j�| j|�� d �}q<|sf|}|�d�}t|�d��| _ | � |�| _ t � | _ | j| j d� d| j kr�| �| j d � d S )N� @ ztrailer end not found� rf r� ��xref_section_offsetr� )r? r� r� �re_trailer_end�searchrI �start�groupr� r� �interpret_trailerr� rY r� �read_xref_table�read_prev_trailer)rL Zsearch_start_offset�mZ last_match� trailer_datar r r r r s$ zPdfParser.read_trailerc C sv | j |d�}| j�| j||d � �}t|d� |�d�}tt|�d��|kd� | �|�}d|krr| �|d � d S )Nr r zprevious trailer not foundrf r� zGxref section offset in previous trailer doesn't match what was expectedr� ) r �re_trailer_prevr r� rI r r� r r )rL r Ztrailer_offsetr r r� r r r r � s � � zPdfParser.read_prev_trailers /([!-$&'*-.0-;=?-Z\\^-z|~]+)(?=r� s \<\<s \>\>c C s� i }d}| j �||�}|sT| j�||�}t|o<|�� t|�kdt||d � � � q�| �|�d��}| � ||�� �\}}|||< qtd|ko�t |d t �d� td|ko�t |d t �d� |S )Nr z+name not found in trailer, remaining data: rf 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~ r � get_valuerw r� rJ )r r Ztrailerr� r r` ra r r r r � s0 �� ��zPdfParser.interpret_trailers ([^#]*)(#([0-9a-fA-F]{2}))?Fc C sn d}| j �|�D ]B}|�d�rD||�d�t�|�d��d�� 7 }q||�d�7 }q|rb|�d�S t|�S d S )Nr � rf r r� )�re_hashes_in_name�finditerr r� �fromhexr@ ry )r �rawZas_textrx r r r r r~ � s & zPdfParser.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� |dkr dS | j �||�}|r&|�� }| j�||�}|r�tt|�d��dkd� tt|�d��dkd� t|d kp�|tt|�d��t|�d���kd� | j||�� |d d�\}}|d kr�|d fS | j �||�}t|d � ||�� fS t| d � | j �||�}|�r^tt|�d��dkd � tt|�d��dkd � tt|�d��t|�d���|�� fS | j �||�}|�r�|�� }i }| j �||�}|�s | j|||d d�\}}|d k�r�|d fS | j|||d d�\} }| ||< |d k�r�|d fS | j �||�}�q�|�� }| j �||�}|�r�zt|d �} W n0 tttfk �r\ td|�d d � ��Y nX ||�� |�� | � } | j�||�� | �}t|d� |�� }tt|�| �}nt|�}||fS | j�||�}|�rD|�� }g }| j�||�}|�s8| j|||d d�\} }|�| � |d k�r&|d fS | j�||�}�q�||�� fS | j�||�}|�rdd |�� fS | j�||�}|�r�d|�� fS | j�||�}|�r�d|�� fS | j �||�}|�r�t | � |�d���|�� fS | j �||�}|�r�t|�d��|�� fS | j �||�}|�r(t!|�d��|�� fS | j"�||�}|�r�t#dd� |�d�D ��} t$| �d dk�rt| �t%d�� t#�&| �'d��|�� fS | j(�||�}|�r�| �)||�� �S tdt*|||d � � ��d S )Nr )NNrf z<indirect object definition: object ID must be greater than 0r� z;indirect object definition: generation must be non-negativez2indirect object definition different than expected)� max_nestingz(indirect object definition end not foundz$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)zstream end not foundTFc S s g | ]}|d kr|�qS )s 0123456789abcdefABCDEFr r� r r r � <listcomp>i s z'PdfParser.get_value.<locals>.<listcomp>� 0r zunrecognized object: � )+� re_commentr! r# �re_indirect_def_startrI r� r rJ r$ �re_indirect_def_end�re_indirect_reference� re_dict_startr" �re_stream_start� TypeErrorrc r rD r; � re_stream_endr� r� �re_array_start� re_array_endr� �re_null�re_true�re_falser rv r~ �re_int�re_real�float� re_string_hexr� r? r� r( r@ � re_string_lit�get_literal_stringr{ ) r r� r� �expect_indirectr+ r �objectr� r` ra Z stream_lenZ stream_dataZ hex_stringr r r r$ � s� �� �� ���& �� �zPdfParser.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 ]�}|�|||�� � � |�d�rX|�| j|�d�d � n�|�d�r�|�t|�d�dd � d�� nx|�d�r�nl|�d�r�|�d� nV|�d�r�|�d � |d7 }n8|�d �r�|dkr�t |�|� � f S |�d � |d8 }|� � }qt d ��d S ) Nr rf r� � r% � r� � r� � r� zunfinished literal string) r� �re_lit_str_tokenr' r� r r � escaped_charsr� r� ry r# rD )r r� r� Z nesting_depthr� r r r r rA � 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|�}|sNt|d� �qd}|�� }t|�d��}t|�d��}t ||| �D ]�}| j �| j|�}t|d� |�� }|�d�d k}t|�d��} |s�t|�d��| f} t|| j kp�| j | | kd � | | j |< q�q,|S ) NFz xref section start not foundz xref subsection start not foundTrf r� zxref entry not foundr% rK z)xref entry duplicated (and not identical)) �re_xref_section_startr! r� r� rI r# �re_xref_subsection_startr� r r� � re_xref_entryr� ) rL r Zsubsection_foundr r� Z first_objectZ num_objectsr� Zis_freerQ Z new_entryr r r r � s@ � � �zPdfParser.read_xref_tablec C sh | j |d \}}t||d kd|d |d ||f � | j| j|| j t|� |d�d }|| j|< |S )Nr rf zgexpected to find generation %s for object ID %s in xref table, instead found generation %s at offset %s)rB r+ )r� rI r$ r� r� rJ r� )rL r� r+ r� rQ ra r r r r � s" ���� zPdfParser.read_indirectc C sj |d kr| j }t|d dkd� g }|d D ]8}| �|�}|d dkrR|�|� q,|�| j|d�� q,|S )Nr r� z%/Type of page tree node is not /Pagess Kidsr� )�node)r� rI r r� r� r )rL rV r� ZkidZ kid_objectr r r r � s � z PdfParser.linearize_page_tree)NNNr r� )N)N)F)Nr� )r� )N)IrE rF rG rH r^ r� r� r� r� r� r� r� r� r� r� r� r� r� r� � staticmethodr� r� r� Z delimiterZdelimiter_or_wsZ whitespaceZwhitespace_or_hexZwhitespace_optionalZwhitespace_mandatoryZwhitespace_optional_no_nlZ newline_only�newline�re�compile�DOTALLr r r r Zre_whitespace_optionalr r3 r" r� r r& r~ r9 r: r; r< r= r7 r8 r? 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