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편집 파일: parser.cpython-37.pyc
B 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 �>/opt/alt/python37/lib64/python3.7/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$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� ZdEd1d2�Zd3d4� Zd5d6� Z d7d8� Z d9d:� Z dFd;d<�Z d=d>� Z d?d@� Z!dAdB� Z"dCS )Gr �!ztag:yaml.org,2002:)r z!!c C s* d | _ d | _i | _g | _g | _| j| _d S )N)� current_event� yaml_version� tag_handles�states�marks�parse_stream_start�state)�selfr r r �__init__Q s zParser.__init__c C s g | _ d | _d S )N)r r )r r r r �disposeY s zParser.disposec G sN | j d kr| jr| �� | _ | j d k rJ|s,dS x |D ]}t| j |�r2dS q2W dS )NTF)r r � isinstance)r �choices�choicer r r � check_event^ s zParser.check_eventc C s | j d kr| jr| �� | _ | j S )N)r r )r r r r � peek_eventk s zParser.peek_eventc C s* | j d kr| jr| �� | _ | j }d | _ |S )N)r r )r �valuer r r � get_eventr s zParser.get_eventc C s( | � � }t|j|j|jd�}| j| _|S )N)�encoding)� get_tokenZStreamStartEvent� start_mark�end_markr � parse_implicit_document_startr )r �token�eventr r r r s zParser.parse_stream_startc C s\ | � ttt�sP| j| _| �� }|j }}t||dd�}| j � | j � | j | _ |S | �� S d S )NF)�explicit)� check_token�DirectiveToken�DocumentStartToken�StreamEndToken� DEFAULT_TAGSr � peek_tokenr �DocumentStartEventr �append�parse_document_end�parse_block_noder �parse_document_start)r r" r r r# r r r r! � s z$Parser.parse_implicit_document_startc C s� x| � t�r| �� qW | � t�s�| �� }|j}| �� \}}| � t�sdtd d d| �� j | �� j��| �� }|j }t ||d||d�}| j � | j� | j| _n0| �� }t|j|j �}| j r�t�| jr�t�d | _|S )Nz)expected '<document start>', but found %rT)r$ �version�tags)r% �DocumentEndTokenr r( r* r �process_directivesr' r �idr r+ r r, r- �parse_document_contentr ZStreamEndEvent�AssertionErrorr )r r" r r0 r1 r r# r r r r/ � s. zParser.parse_document_startc C sL | � � }|j }}d}| �t�r2| �� }|j}d}t|||d�}| j| _|S )NFT)r$ ) r* r r% r2 r r ZDocumentEndEventr/ r )r r" r r r$ r# r r r r- � s zParser.parse_document_endc C s< | � tttt�r0| �| �� j�}| j� � | _ |S | � � S d S )N) r% r& r' r2 r( �process_empty_scalarr* r r �popr r. )r r# r r r r5 � s z Parser.parse_document_contentc C s d | _ i | _x�| �t�r�| �� }|jdkrp| j d k rDtd d d|j��|j\}}|dkrftd d d|j��|j| _ q|jdkr|j\}}|| jkr�td d d| |j��|| j|< qW | jr�| j | j� � f}n | j d f}x(| j D ] }|| jkr�| j | | j|< q�W |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 r3 � s8 zParser.process_directivesc C s | j dd�S )NT)�block)� parse_node)r r r r r. s zParser.parse_block_nodec C s | � � S )N)rA )r r r r �parse_flow_node s zParser.parse_flow_nodec C s | j ddd�S )NT)r@ �indentless_sequence)rA )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 k �r&|\} } | d k �r"| | j k�rt d|d| | ��| j | | }n| }|d k�r>| �� j }}d }|d k�pR|dk} |�r�| � t��r�| �� j}t||| ||�}| j| _ �n�| � t��r| �� }|j}|j�r�|d k�s�|dk�r�d} n|d k�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 k �s�|d k �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)� flow_styleF� r@ Zflowzwhile parsing a %s nodez'expected the node content, but found %r) r% Z AliasTokenr Z AliasEventr r r r r8 r Z AnchorTokenZTagTokenr r r* �BlockEntryTokenZSequenceStartEvent� parse_indentless_sequence_entryZ ScalarToken�plain� ScalarEventrE ZFlowSequenceStartToken� parse_flow_sequence_first_entryZFlowMappingStartToken�MappingStartEvent� parse_flow_mapping_first_keyZBlockSequenceStartToken� parse_block_sequence_first_entryZBlockMappingStartToken� parse_block_mapping_first_keyr4 )r r@ rC r" r# �anchor�tagr r Ztag_markr= �suffixZimplicit�noder r r rA s� zParser.parse_nodec C s | � � }| j�|j� | �� S )N)r r r, r �parse_block_sequence_entry)r r" r r r rO 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���z"expected <block end>, but found %r)r% rH r � BlockEndTokenr r, rU r. r r7 r r* r r r4 r �SequenceEndEventr8 )r r" r# r r r rU } s z!Parser.parse_block_sequence_entryc C sr | � t�rL| �� }| � tttt�s8| j�| j� | � � S | j| _ | � |j �S | � � }t|j|j�}| j�� | _ |S )N)r% rH r �KeyToken� ValueTokenrW r r, rI r. r r7 r r* rX r r8 )r r" r# r r r rI � s z&Parser.parse_indentless_sequence_entryc C s | � � }| j�|j� | �� S )N)r r r, r �parse_block_mapping_key)r r" r r r rP � s z$Parser.parse_block_mapping_first_keyc C s� | � t�rJ| �� }| � ttt�s6| j�| j� | �� S | j| _ | � |j �S | � t�sx| � � }t d| jd d|j |j��| �� }t|j|j �}| j�� | _ | j�� |S )Nz while parsing a block mappingrV z"expected <block end>, but found %r)r% rY r rZ rW r r, �parse_block_mapping_valuerD r r7 r r* r r r4 r �MappingEndEventr8 )r r" r# r r r r[ � s z Parser.parse_block_mapping_keyc C sl | � t�rL| �� }| � ttt�s6| j�| j� | �� S | j| _ | � |j �S n | j| _ | � � }| � |j �S d S )N)r% rZ r rY rW r r, r[ rD r r7 r r* r )r r" r r r r\ � s z Parser.parse_block_mapping_valuec C s" | � � }| j�|j� | jdd�S )NT)�first)r r r, r �parse_flow_sequence_entry)r r" r r r rL � s z&Parser.parse_flow_sequence_first_entryc C s� | � t�s�|sF| � t�r"| �� n$| �� }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 sequencerV z expected ',' or ']', but got %rT)rF )r% �FlowSequenceEndToken�FlowEntryTokenr r* r r r4 r rY rM r �%parse_flow_sequence_entry_mapping_keyr r r, r_ rB rX r8 )r r^ r" r# r r r r_ � s, z Parser.parse_flow_sequence_entryc C sD | � � }| �ttt�s,| j�| j� | �� S | j| _ | � |j �S d S )N) r r% rZ ra r` r r, �'parse_flow_sequence_entry_mapping_valuerB r r7 r )r r" r r r rb � 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 )N)r% rZ r ra r` r r, �%parse_flow_sequence_entry_mapping_endrB r r7 r r* r )r r" r r r rc s z.Parser.parse_flow_sequence_entry_mapping_valuec C s | j | _| �� }t|j|j�S )N)r_ r r* r] r )r r" r r r rd s z,Parser.parse_flow_sequence_entry_mapping_endc C s" | � � }| j�|j� | jdd�S )NT)r^ )r r r, r �parse_flow_mapping_key)r r" r r r rN 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 mappingrV z expected ',' or '}', but got %r)r% �FlowMappingEndTokenra r r* r r r4 r rY rZ r r, �parse_flow_mapping_valuerB r r7 r � parse_flow_mapping_empty_valuer] r8 )r r^ r" r# r r r re s. z Parser.parse_flow_mapping_keyc C sj | � t�rJ| �� }| � tt�s4| j�| j� | �� S | j| _ | � |j �S n | j| _ | � � }| � |j �S d S )N)r% rZ r ra rf r r, re rB r r7 r r* r )r r" r r r rg 9 s z Parser.parse_flow_mapping_valuec C s | j | _| �| �� j�S )N)re r r7 r* r )r r r r rh G s z%Parser.parse_flow_mapping_empty_valuec C s t d d dd||�S )N)TFrG )rK )r Zmarkr r r r7 K s zParser.process_empty_scalarN)FF)F)F)#r r r r) r r r r r r r! r/ r- r5 r3 r. rB rD rA rO rU rI rP r[ r\ rL r_ rb rc rd rN re rg rh r7 r r r r r H sB / g N)�__all__�errorr �tokens�events�scannerr r r r r r �<module>> s