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parser.cpython-39.pyc
a b�`�c � @ sN d dgZ ddlmZ ddlT ddlT ddlT G dd� de�ZG dd � d �ZdS )�Parser� ParserError� )�MarkedYAMLError)�*c @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �1/usr/lib64/python3.9/site-packages/yaml/parser.pyr E s c @ s e Zd Zddd�Zdd� Zdd� Zdd � Zd d � Zd d � Zdd� Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zd d � Zd d � ZdDd!d"�Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� ZdEd1d2�Zd3d4� Zd5d6� Z d7d8� Z d9d:� Z dFd;d<�Z d=d>� Z d?d@� Z!dAdB� Z"dCS )Gr �!ztag:yaml.org,2002:)r z!!c C s* d | _ d | _i | _g | _g | _| j| _d S �N)� current_event� yaml_version� tag_handles�states�marks�parse_stream_start�state��selfr r r �__init__Q s zParser.__init__c C s g | _ d | _d S r )r r r r r r �disposeY s zParser.disposec G sL | j d u r| jr| �� | _ | j d urH|s,dS |D ]}t| j |�r0 dS q0dS )NTF)r r � isinstance)r �choices�choicer r r � check_event^ s zParser.check_eventc C s | j d u r| jr| �� | _ | j S r �r r r r r r � peek_eventk s zParser.peek_eventc C s* | j d u r| jr| �� | _ | j }d | _ |S r r )r �valuer r r � get_eventr s zParser.get_eventc C s( | � � }t|j|j|jd�}| j| _|S )N)�encoding)� get_tokenZStreamStartEvent� start_mark�end_markr � parse_implicit_document_startr �r �token�eventr r r r s �zParser.parse_stream_startc C s\ | � ttt�sP| j| _| �� }|j }}t||dd�}| j � | j � | j | _ |S | �� S d S )NF��explicit)� check_token�DirectiveToken�DocumentStartToken�StreamEndToken� DEFAULT_TAGSr � peek_tokenr" �DocumentStartEventr �append�parse_document_end�parse_block_noder �parse_document_start)r r& r" r# r' r r r r$ � s � �z$Parser.parse_implicit_document_startc C s� | � t�r| �� q | � t�s�| �� }|j}| �� \}}| � t�s`td d d| �� j | �� j��| �� }|j }t ||d||d�}| j � | j� | j| _n0| �� }t|j|j �}| j r�J �| jr�J �d | _|S )Nz)expected '<document start>', but found %rT)r) �version�tags)r* �DocumentEndTokenr! r- r/ r" �process_directivesr, r �idr# r0 r r1 r2 �parse_document_contentr ZStreamEndEventr )r r& r" r5 r6 r# r' r r r r4 � s4 ��� zParser.parse_document_startc C sL | � � }|j }}d}| �t�r2| �� }|j}d}t|||d�}| j| _|S )NFTr( ) r/ r" r* r7 r! r# ZDocumentEndEventr4 r )r r& r" r# r) r' r r r r2 � s �zParser.parse_document_endc C s< | � tttt�r0| �| �� j�}| j� � | _ |S | � � S d S r ) r* r+ r, r7 r- �process_empty_scalarr/ r" r �popr r3 )r r' r r r r: � s � z Parser.parse_document_contentc C s� d | _ i | _| �t�r�| �� }|jdkrn| j d urBtd d d|j��|j\}}|dkrdtd d d|j��|j| _ q |jdkr |j\}}|| jv r�td d d| |j��|| j|< q | jr�| j | j� � f}n | j d f}| j D ] }|| jvr�| j | | j|< q�|S )NZYAMLz found duplicate YAML directiver z:found incompatible YAML document (version 1.* is required)ZTAGzduplicate tag handle %r) r r r* r+ r! �namer r" r �copyr. )r r& �major�minor�handle�prefixr �keyr r r r8 � s> � � � zParser.process_directivesc C s | j dd�S )NT)�block�� parse_noder r r r r3 s zParser.parse_block_nodec C s | � � S r rE r r r r �parse_flow_node s zParser.parse_flow_nodec C s | j ddd�S )NT)rD �indentless_sequencerE r r r r �'parse_block_node_or_indentless_sequence s z.Parser.parse_block_node_or_indentless_sequenceFc C sR | � t�r4| �� }t|j|j|j�}| j�� | _ �nd }d }d } }} | � t �r�| �� }|j}|j}|j}| � t �r�| �� }|j} |j}|j}nF| � t �r�| �� }|j }} |j}|j}| � t �r�| �� }|j}|j}|d u�r&|\} } | d u�r"| | j v�rt d|d| | ��| j | | }n| }|d u �r>| �� j }}d }|d u �pR|dk} |�r�| � t��r�| �� j}t||| ||�}| j| _ �n�| � t��r| �� }|j}|j�r�|d u �s�|dk�r�d} n|d u �r�d} nd} t||| |j|||jd�}| j�� | _ �nH| � t��r<| �� j}t||| ||dd �}| j| _ �n| � t��rp| �� j}t||| ||dd �}| j| _ n�|�r�| � t��r�| �� j}t||| ||d d �}| j | _ n�|�r�| � t ��r�| �� j}t||| ||d d �}| j | _ nj|d u�s�|d u�r t||| d fd ||�}| j�� | _ n2|�r(d } nd } | �� }t d| |d|j |j��|S )Nzwhile parsing a nodez found undefined tag handle %rr �TF)FT)FF)�styleT�Z flow_styleF� rD Zflowzwhile parsing a %s nodez'expected the node content, but found %r) r* Z AliasTokenr! Z AliasEventr r" r# r r< r Z AnchorTokenZTagTokenr r r/ �BlockEntryTokenZSequenceStartEvent� parse_indentless_sequence_entryZ ScalarTokenZplain� ScalarEventrK ZFlowSequenceStartToken� parse_flow_sequence_first_entryZFlowMappingStartToken�MappingStartEvent� parse_flow_mapping_first_keyZBlockSequenceStartToken� parse_block_sequence_first_entryZBlockMappingStartToken� parse_block_mapping_first_keyr9 )r rD rH r& r' �anchor�tagr" r# Ztag_markrA �suffixZimplicitZnoder r r rF s� � � � � � � � � �zParser.parse_nodec C s | � � }| j�|j� | �� S r )r! r r1 r" �parse_block_sequence_entry�r r& r r r rT x s z'Parser.parse_block_sequence_first_entryc C s� | � t�rH| �� }| � tt�s4| j�| j� | �� S | j| _| � |j �S | � t�sv| � � }t d| j d d|j |j��| �� }t|j|j �}| j�� | _| j �� |S )Nz while parsing a block collection����"expected <block end>, but found %r)r* rN r! � BlockEndTokenr r1 rY r3 r r; r# r/ r r r9 r" �SequenceEndEventr< r% r r r rY } s" � z!Parser.parse_block_sequence_entryc C sr | � t�rL| �� }| � tttt�s8| j�| j� | � � S | j| _ | � |j �S | � � }t|j|j�}| j�� | _ |S r )r* rN r! �KeyToken� ValueTokenr] r r1 rO r3 r r; r# r/ r^ r" r< r% r r r rO � s � z&Parser.parse_indentless_sequence_entryc C s | � � }| j�|j� | �� S r )r! r r1 r" �parse_block_mapping_keyrZ r r r rU � s z$Parser.parse_block_mapping_first_keyc C s� | � t�rJ| �� }| � ttt�s6| j�| j� | �� S | j| _ | � |j �S | � t�sx| � � }t d| jd d|j |j��| �� }t|j|j �}| j�� | _ | j�� |S )Nz while parsing a block mappingr[ r\ )r* r_ r! r` r] r r1 �parse_block_mapping_valuerI r r; r# r/ r r r9 r" �MappingEndEventr< r% r r r ra � s" � z Parser.parse_block_mapping_keyc C sl | � t�rL| �� }| � ttt�s6| j�| j� | �� S | j| _ | � |j �S n | j| _ | � � }| � |j �S d S r )r* r` r! r_ r] r r1 ra rI r r; r# r/ r" rZ r r r rb � s z Parser.parse_block_mapping_valuec C s" | � � }| j�|j� | jdd�S �NT)�first)r! r r1 r" �parse_flow_sequence_entryrZ r r r rQ � s z&Parser.parse_flow_sequence_first_entryc C s� | � t�s�|sF| � t�r"| �� n$| �� }td| jd d|j |j��| � t �r|| �� }t d d d|j|j dd�}| j | _ |S | � t�s�| j�| j� | �� S | �� }t|j|j �}| j�� | _ | j�� |S )Nz while parsing a flow sequencer[ z expected ',' or ']', but got %rTrL )r* �FlowSequenceEndToken�FlowEntryTokenr! r/ r r r9 r" r_ rR r# �%parse_flow_sequence_entry_mapping_keyr r r1 rf rG r^ r< �r re r& r' r r r rf � s0 � � z Parser.parse_flow_sequence_entryc C sD | � � }| �ttt�s,| j�| j� | �� S | j| _ | � |j �S d S r ) r! r* r` rh rg r r1 �'parse_flow_sequence_entry_mapping_valuerG r r; r# rZ r r r ri � s �z,Parser.parse_flow_sequence_entry_mapping_keyc C sj | � t�rJ| �� }| � tt�s4| j�| j� | �� S | j| _ | � |j �S n | j| _ | � � }| � |j �S d S r )r* r` r! rh rg r r1 �%parse_flow_sequence_entry_mapping_endrG r r; r# r/ r" rZ r r r rk s z.Parser.parse_flow_sequence_entry_mapping_valuec C s | j | _| �� }t|j|j�S r )rf r r/ rc r" rZ r r r rl s z,Parser.parse_flow_sequence_entry_mapping_endc C s" | � � }| j�|j� | jdd�S rd )r! r r1 r" �parse_flow_mapping_keyrZ r r r rS s z#Parser.parse_flow_mapping_first_keyc C s� | � t�s�|sF| � t�r"| �� n$| �� }td| jd d|j |j��| � t �r�| �� }| � t tt�s|| j � | j � | �� S | j | _| �|j�S n | � t�s�| j � | j� | �� S | �� }t|j|j�}| j �� | _| j�� |S )Nz while parsing a flow mappingr[ z expected ',' or '}', but got %r)r* �FlowMappingEndTokenrh r! r/ r r r9 r" r_ r` r r1 �parse_flow_mapping_valuerG r r; r# � parse_flow_mapping_empty_valuerc r< rj r r r rm s2 � � z Parser.parse_flow_mapping_keyc C sj | � t�rJ| �� }| � tt�s4| j�| j� | �� S | j| _ | � |j �S n | j| _ | � � }| � |j �S d S r )r* r` r! rh rn r r1 rm rG r r; r# r/ r" rZ r r r ro 9 s z Parser.parse_flow_mapping_valuec C s | j | _| �| �� j�S r )rm r r; r/ r" r r r r rp G s z%Parser.parse_flow_mapping_empty_valuec C s t d d dd||�S )NrJ rM )rP )r Zmarkr r r r; K s zParser.process_empty_scalarN)FF)F)F)#r r r r. r r r r r r r$ r4 r2 r: r8 r3 rG rI rF rT rY rO rU ra rb rQ rf ri rk rl rS rm ro rp r; r r r r r H sD � / g N)�__all__�errorr �tokensZevents�scannerr r r r r r �<module>> s