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o ��`�� � @ sL d dgZ ddlmZ ddlT G dd� de�ZG dd� d�ZG dd � d �Zd S ) �Emitter� EmitterError� )� YAMLError)�*c @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r �./usr/lib/python3/dist-packages/yaml/emitter.pyr s c @ s e Zd Zdd� ZdS )�ScalarAnalysisc C s4 || _ || _|| _|| _|| _|| _|| _|| _d S �N��scalar�empty� multiline�allow_flow_plain�allow_block_plain�allow_single_quoted�allow_double_quoted� allow_block) �selfr r r r r r r r r r r �__init__ s zScalarAnalysis.__init__N)r r r r r r r r r s r c @ s2 e Zd Zddd�Z d�dd�Zdd� Zd d � Zd d � Zd d� Zd�dd�Z dd� Z dd� Z dd� Z d�dd�Z dd� Zd d � Z d�d d �Zd d!� Zd"d#� Zd$d%� Zd&d'� Zd(d)� Zd*d+� Zd,d-� Zd.d/� Zd0d1� Zd2d3� Zd4d5� Zd6d7� Z d�d8d9�Z d:d;� Z d<d=� Z d�d>d?�Z d@dA� Z!dBdC� Z"dDdE� Z#dFdG� Z$dHdI� Z%dJdK� Z&dLdM� Z'dNdO� Z(dPdQ� Z)dRdS� Z*dTdU� Z+dVdW� Z,dXdY� Z-dZd[� Z.d\d]� Z/d^d_� Z0d`da� Z1dbdc� Z2ddde� Z3 d�dfdg�Z4dhdi� Z5d�djdk�Z6dldm� Z7dndo� Z8d�dqdr�Z9dsdtdudvdwdxdydzd{d|d}d~dd�d�d��Z:d�d�d��Z;d�d�� Z<d�d�� Z=d�d�� Z>d�d�d��Z?dS )�r �!z!!)r ztag:yaml.org,2002:Nc C s� || _ d | _g | _| j| _g | _d | _g | _d | _d| _ d| _ d| _ d| _ d| _ d| _d| _d| _d| _d| _|| _|| _d| _|rQd| k rLdk rQn n|| _d| _|r`|| jd kr`|| _d| _|d v rj|| _d | _d | _d | _d | _d | _ d S ) N� FT� r � �P � )� r z ) �stream�encoding�states�expect_stream_start�state�events�event�indents�indent� flow_level� root_context�sequence_context�mapping_context�simple_key_context�line�column� whitespace� indention� open_ended� canonical� allow_unicode� best_indent� best_width�best_line_break� tag_prefixes�prepared_anchor� prepared_tag�analysis�style)r r r2 r' �widthr3 Z line_breakr r r r & sD zEmitter.__init__c C s g | _ d | _d S r )r! r# �r r r r �disposej s zEmitter.disposec C s@ | j �|� | �� s | j �d�| _| �� d | _| �� r d S d S �Nr )r$ �append�need_more_events�popr% r# �r r% r r r �emito s �z Emitter.emitc C sT | j sdS | j d }t|t�r| �d�S t|t�r | �d�S t|t�r(| �d�S dS )NTr r r � F)r$ � isinstance�DocumentStartEvent� need_events�SequenceStartEvent�MappingStartEventrC r r r rA x s zEmitter.need_more_eventsc C sv d}| j dd � D ](}t|ttf�r|d7 }nt|ttf�r#|d8 }nt|t�r*d}|dk r1 dS q t| j �|d k S )Nr r ���F)r$ rF rG �CollectionStartEvent�DocumentEndEventZCollectionEndEvent�StreamEndEvent�len)r �count�levelr% r r r rH � s �zEmitter.need_eventsFc C sN | j �| j� | jd u r|r| j| _d S d| _d S |s%| j| j7 _d S d S r? )r& r@ r' r4 )r �flow� indentlessr r r �increase_indent� s �zEmitter.increase_indentc C sL t | jt�r | jjrt| jd�s| jj| _| �� | j| _d S t d| j ��)Nr z%expected StreamStartEvent, but got %s) rF r% ZStreamStartEventr �hasattrr �write_stream_start�expect_first_document_startr# r r= r r r r" � s �zEmitter.expect_stream_startc C s t d| j ��)Nz expected nothing, but got %s)r r% r= r r r �expect_nothing� s zEmitter.expect_nothingc C � | j dd�S �NT)�first)�expect_document_startr= r r r rW � � z#Emitter.expect_first_document_startc C sh t | jt�r�| jjs| jjr| jr| �dd� | �� | jjr+| �| jj�}| � |� | j � � | _ | jjr]t | jj�� �}|D ] }| jj| }|| j |< | �|�}| �|�}| �||� q?|ov| jj ov| j ov| jj ov| jj ov| �� }|s�| �� | �dd� | jr�| �� | j| _d S t | jt�r�| jr�| �dd� | �� | �� | j| _d S td| j ��)N�...T�---z'expected DocumentStartEvent, but got %s)rF r% rG �versionZtagsr1 �write_indicator� write_indent�prepare_version�write_version_directive�DEFAULT_TAG_PREFIXES�copyr7 �sorted�keys�prepare_tag_handle�prepare_tag_prefix�write_tag_directive�explicitr2 �check_empty_document�expect_document_rootr# rN �write_stream_endrX r ) r r[ � version_textZhandles�handle�prefix� handle_text� prefix_text�implicitr r r r\ � sL ��� �z Emitter.expect_document_startc C sR t | jt�r"| �� | jjr| �dd� | �� | �� | j| _d S t d| j ��)Nr^ Tz%expected DocumentEndEvent, but got %s) rF r% rM rb rl ra � flush_streamr\ r# r r= r r r �expect_document_end� s �zEmitter.expect_document_endc C s | j �| j� | jdd� d S )NT)�root)r! r@ rw � expect_noder= r r r rn � s z Emitter.expect_document_rootc C s� || _ || _|| _|| _t| jt�r| �� d S t| jtt f�rw| � d� | � � t| jt�r5| � � d S t| jt �rU| jsI| jsI| jjsI| �� rO| �� d S | �� d S t| jt�ru| jsi| jsi| jjsi| �� ro| �� d S | �� d S d S td| j ��)N�&z expected NodeEvent, but got %s)r) r* r+ r, rF r% � AliasEvent� expect_alias� ScalarEventrL �process_anchor� process_tag� expect_scalarrI r( r2 Z flow_style�check_empty_sequence�expect_flow_sequence�expect_block_sequencerJ �check_empty_mapping�expect_flow_mapping�expect_block_mappingr )r rx �sequence�mapping� simple_keyr r r ry � s2 � � �zEmitter.expect_nodec C s. | j jd u r td��| �d� | j�� | _d S )Nz!anchor is not specified for aliasr )r% �anchorr r~ r! rB r# r= r r r r| s zEmitter.expect_aliasc C s0 | j dd� | �� | j�� | _| j�� | _d S )NT�rR )rT �process_scalarr& rB r' r! r# r= r r r r� s zEmitter.expect_scalarc C �6 | j dddd� | jd7 _| jdd� | j| _d S )N�[T�r/ r r� )ra r( rT � expect_first_flow_sequence_itemr# r= r r r r� � z Emitter.expect_flow_sequencec C sz t | jt�r!| j�� | _| jd8 _| �dd� | j�� | _ d S | j s*| j | j kr.| � � | j�| j� | jdd� d S )Nr �]FT�r� )rF r% �SequenceEndEventr& rB r' r( ra r! r# r2 r. r5 rb r@ �expect_flow_sequence_itemry r= r r r r� s z'Emitter.expect_first_flow_sequence_itemc C s� t | jt�r.| j�� | _| jd8 _| jr | �dd� | � � | �dd� | j �� | _ d S | �dd� | js=| j | j krA| � � | j �| j� | jdd� d S )Nr �,Fr� Tr� )rF r% r� r& rB r' r( r2 ra rb r! r# r. r5 r@ r� ry r= r r r r� $ s z!Emitter.expect_flow_sequence_itemc C r� )N�{Tr� r r� )ra r( rT � expect_first_flow_mapping_keyr# r= r r r r� 6 r� zEmitter.expect_flow_mappingc C s� t | jt�r!| j�� | _| jd8 _| �dd� | j�� | _ d S | j s*| j | j kr.| � � | j sE| �� rE| j�| j� | jddd� d S | �dd� | j�| j� | jdd� d S )Nr �}FT�r� r� �?�r� )rF r% �MappingEndEventr& rB r' r( ra r! r# r2 r. r5 rb �check_simple_keyr@ � expect_flow_mapping_simple_valuery �expect_flow_mapping_valuer= r r r r� < s z%Emitter.expect_first_flow_mapping_keyc C s� t | jt�r.| j�� | _| jd8 _| jr | �dd� | � � | �dd� | j �� | _ d S | �dd� | js=| j | j krA| � � | jsX| �� rX| j �| j� | jddd� d S | �dd� | j �| j� | jdd� d S ) Nr r� Fr� Tr� r� r� )rF r% r� r& rB r' r( r2 ra rb r! r# r. r5 r� r@ r� ry r� r= r r r �expect_flow_mapping_keyM s" z Emitter.expect_flow_mapping_keyc C �* | � dd� | j�| j� | jdd� d S �N�:FTr� )ra r! r@ r� ry r= r r r r� b � z(Emitter.expect_flow_mapping_simple_valuec C sD | j s | j| jkr | �� | �dd� | j�| j� | jdd� d S )Nr� Tr� ) r2 r. r5 rb ra r! r@ r� ry r= r r r r� g s z!Emitter.expect_flow_mapping_valuec C s( | j o| j }| jd|d� | j| _d S )NF)rR rS )r+ r0 rT � expect_first_block_sequence_itemr# )r rS r r r r� p s z Emitter.expect_block_sequencec C rY rZ )�expect_block_sequence_itemr= r r r r� u r] z(Emitter.expect_first_block_sequence_itemc C sb |st | jt�r| j�� | _| j�� | _d S | �� | j dddd� | j� | j � | j dd� d S )N�-T�r0 r� ) rF r% r� r& rB r' r! r# rb ra r@ r� ry �r r[ r r r r� x s z"Emitter.expect_block_sequence_itemc C s | j dd� | j| _d S )NFr� )rT � expect_first_block_mapping_keyr# r= r r r r� � s z Emitter.expect_block_mappingc C rY rZ )�expect_block_mapping_keyr= r r r r� � r] z&Emitter.expect_first_block_mapping_keyc C s� |st | jt�r| j�� | _| j�� | _d S | �� | � � r.| j� | j � | j ddd� d S | j dddd� | j� | j� | j dd� d S )NTr� r� r� r� )rF r% r� r& rB r' r! r# rb r� r@ �!expect_block_mapping_simple_valuery ra �expect_block_mapping_valuer� r r r r� � s z Emitter.expect_block_mapping_keyc C r� r� )ra r! r@ r� ry r= r r r r� � r� z)Emitter.expect_block_mapping_simple_valuec C s6 | � � | jdddd� | j�| j� | jdd� d S )Nr� Tr� r� )rb ra r! r@ r� ry r= r r r r� � s z"Emitter.expect_block_mapping_valuec C �" t | jt�o| jot | jd t�S r? )rF r% rI r$ r� r= r r r r� � � �z Emitter.check_empty_sequencec C r� r? )rF r% rJ r$ r� r= r r r r� � r� zEmitter.check_empty_mappingc C sN t | jt�r | js dS | jd }t |t�o&|jd u o&|jd u o&|jo&|jdkS )NFr � ) rF r% rG r$ r} r� �tagru �valuerC r r r rm � s ���z Emitter.check_empty_documentc C s d}t | jt�r"| jjd ur"| jd u r| �| jj�| _|t| j�7 }t | jttf�rD| jj d urD| j d u r=| � | jj �| _ |t| j �7 }t | jt�r_| j d u rW| � | jj�| _ |t| j j�7 }|dk o�t | jt�p�t | jt�ox| j j ox| j j p�| �� p�| �� S )Nr � )rF r% Z NodeEventr� r8 �prepare_anchorrO r} rL r� r9 � prepare_tagr: �analyze_scalarr� r r{ r r r� r� )r �lengthr r r r� � s2 � ����zEmitter.check_simple_keyc C sR | j jd u r d | _d S | jd u r| �| j j�| _| jr$| �|| j d� d | _d S )NT)r% r� r8 r� ra )r � indicatorr r r r~ � s zEmitter.process_anchorc C s� | j j}t| j t�rF| jd u r| �� | _| jr|d u r6| jdkr&| j jd s1| jdkr6| j jd r6d | _d S | j jd rE|d u rEd}d | _n| jrM|d u rV| j jrVd | _d S |d u r^t d��| jd u ri| � |�| _| jrs| � | jd� d | _d S )Nr� r r r ztag is not specifiedT) r% r� rF r} r; �choose_scalar_styler2 ru r9 r r� ra )r r� r r r r � s: � �� �� zEmitter.process_tagc C s� | j d u r | �| jj�| _ | jjdks| jrdS | jjs=| jjd r=| jr-| j js=| j j s=| j r4| j j s;| j s=| j j r=dS | jjrU| jjdv rU| j sU| jsU| j j rU| jjS | jjr_| jjdkrl| j jrl| jrj| j j sldS dS )N�"r r� z|>�')r: r� r% r� r; r2 ru r, r r r( r r r r r= r r r r� � s@ ������ ���zEmitter.choose_scalar_stylec C s� | j d u r | �| jj�| _ | jd u r| �� | _| j }| jdkr)| �| j j|� n0| jdkr7| � | j j|� n"| jdkrD| � | j j� n| jdkrQ| � | j j� n| � | j j|� d | _ d | _d S )Nr� r� �>�|) r: r� r% r� r; r� r, �write_double_quotedr �write_single_quoted� write_folded� write_literal� write_plain)r �splitr r r r� s zEmitter.process_scalarc C s, |\}}|dkrt d||f ��d||f S )Nr z unsupported YAML version: %d.%dz%d.%d�r )r r` �major�minorr r r rc s zEmitter.prepare_versionc C s� |st d��|d dks|d dkrt d| ��|dd� D ]/}d| kr*dksMn d | kr5d ksMn d | kr@d ksMn |d v sMt d||f ��q |S )Nz tag handle must not be emptyr r rK z*tag handle must start and end with '!': %rr �0�9�A�Z�a�z�-_z*invalid character %r in the tag handle: %rr� )r rq �chr r r ri ! s B���zEmitter.prepare_tag_handlec C s |st d��g }d }}|d dkrd}|t|�k rt|| }d| kr(dksCn d| kr3dksCn d | kr>d ksCn |d v rH|d7 }n&||k rU|�|||� � |d }}|�d �}|D ] }|�d t|� � qb|t|�k s||k r�|�|||� � d�|�S )Nz tag prefix must not be emptyr r r r� r� r� r� r� r� z-;/?!:@&=+$,_.~*'()[]�utf-8�%%%02Xr� )r rO r@ �encode�ord�join)r rr �chunks�start�endr� �datar r r rj - s, B� � zEmitter.prepare_tag_prefixc C s� |st d��|dkr |S d }|}t| j�� �}|D ] }|�|�r9|dks,t|�t|�k r9| j| }|t|�d � }qg }d }}|t|�k r�|| } d| krTdkswn d| kr_dkswn d| krjd kswn | d v sw| dkr||dkr||d 7 }n$||k r�|�|||� � |d }}| �d �} | D ] } |�d | � q�|t|�k sF||k r�|�|||� � d�|�} |r�d|| f S d| S )Nztag must not be emptyr r r� r� r� r� r� r� z-;/?:@&=+$,_.~*'()[]r r� r� r� z%s%sz!<%s>) r rg r7 rh � startswithrO r@ r� r� ) r r� rq �suffix�prefixesrr r� r� r� r� r� Z suffix_textr r r r� D sR �� � B��� � zEmitter.prepare_tagc C st |st d��|D ]/}d| krdks7n d| kr dks7n d| kr*dks7n |dv s7t d ||f ��q|S ) Nzanchor must not be emptyr� r� r� r� r� r� r� z&invalid character %r in the anchor: %rr� )r r� r� r r r r� h s B���zEmitter.prepare_anchorc C s |st |dddddddd�S d}d}d}d}d}d}d}d} d} d} |�d�s,|�d�r0d}d}d} t|�dkp=|d dv } d}d}d}|t|�k �r3|| }|dkrp|d v r[d}d}|d v red}| red}|d kro| rod}d}n|d v rvd}|d kr�d}| r�d}|dkr�| r�d}d}|dv r�d}|dks�d| kr�dks�n |dks�d| kr�dks�n d| kr�dks�n d| kr�dk r�n n |dkr�d}| js�d}nd}|dkr�|dkr�d}|t|�d kr�d}|r�d} d}d}n$|dv �r|dkr�d}|t|�d k�rd} |�r d} d}d}nd}d}|d7 }|dv } |d t|�k�p,||d dv } |t|�k sKd}d}d}d}d}|�sI|�sI|�sI| �rMd }}|�rRd}| �r[d } }}| �sa|�rid } } }}|�rpd }}|�rud}|�rzd}t |d||||||d�S )NTFr r_ r^ r u r z#,[]{}&*!|>'"%@`z?:r� z,?[]{}r� �#� r � �~� � � � � �u 𐀀u � )r r� rO r3 )r r Zblock_indicatorsZflow_indicatorsZ line_breaksZspecial_characters� leading_spaceZ leading_breakZtrailing_spaceZtrailing_breakZ break_spaceZ space_breakZpreceded_by_whitespaceZfollowed_by_whitespaceZprevious_spaceZprevious_break�indexr� Zunicode_charactersr r r r r r r r r� r s� � � � ��� ��� � �G �� ��zEmitter.analyze_scalarc C s t | jd�r | j�� d S d S )N�flush)rU r r� r= r r r rv s �zEmitter.flush_streamc C s2 | j r| j �d�r| j�d�| j �� d S d S d S )Nzutf-16r� )r r� r �writer� r= r r r rV s �zEmitter.write_stream_startc C s | � � d S r )rv r= r r r ro r] zEmitter.write_stream_endc C sd | j s|s|}nd| }|| _ | jo|| _| jt|�7 _d| _| jr*|�| j�}| j�|� d S )Nr� F) r/ r0 r. rO r1 r r� r r� )r r� Zneed_whitespacer/ r0 r� r r r ra s zEmitter.write_indicatorc C s| | j pd}| jr| j|ks| j|kr| js| �� | j|k r<d| _d|| j }|| _| jr4|�| j�}| j�|� d S d S )Nr Tr� ) r' r0 r. r/ �write_line_breakr r� r r� )r r' r� r r r rb . s �� �zEmitter.write_indentc C sP |d u r| j }d| _d| _| jd7 _d| _| jr |�| j�}| j�|� d S )NTr r ) r6 r/ r0 r- r. r r� r r� )r r� r r r r� ; s zEmitter.write_line_breakc C s2 d| }| j r |�| j �}| j�|� | �� d S )Nz %%YAML %s�r r� r r� r� )r rp r� r r r rd F s z Emitter.write_version_directivec C s6 d||f }| j r|�| j �}| j�|� | �� d S )Nz %%TAG %s %sr� )r rs rt r� r r r rk M s zEmitter.write_tag_directiveTc C s | � dd� d}d}d }}|t|�k�rd }|t|�k r!|| }|ri|d u s+|dkrh|d |krH| j| jkrH|rH|dkrH|t|�krH| �� n |||� }| jt|�7 _| jr`|�| j�}| j�|� |}nb|r�|d u ss|dvr�|| dkr}| � � |||� D ]} | dkr�| � � q�| � | � q�| �� |}n0|d u s�|d v s�|dkr�||k r�|||� }| jt|�7 _| jr�|�| j�}| j�|� |}|dkr�d }| jd 7 _| jr�|�| j�}| j�|� |d }|d ur�|dk}|dv }|d7 }|t|�ks| � dd� d S ) Nr� TFr r� r r� r � z''r ) ra rO r. r5 rb r r� r r� r� ) r �textr� �spaces�breaksr� r� r� r� �brr r r r� V sn � � � � �/zEmitter.write_single_quotedr� r� �b�t�n�v�f�r�er� �\�N�_�L�P)� ��� r � � r �r� r� r� r� u u c C s� | � dd� d }}|t|�k�r:d }|t|�k r || }|d u sI|dv sId| kr/dks�n | jrId| kr=dks�n d | krHd ks�n ||k rm|||� }| jt|�7 _| jre|�| j�}| j�|� |}|d ur�|| jv r~d | j| }n |d kr�d t |� }n|dkr�dt |� }ndt |� }| jt|�7 _| jr�|�| j�}| j�|� |d }d| k r�t|�d k �r0n ni|dks�||k�r0| j|| | j k�r0|�r0|||� d }||k r�|}| jt|�7 _| jr�|�| j�}| j�|� | � � d| _ d| _ || dk�r0d }| jt|�7 _| j�r*|�| j�}| j�|� |d7 }|t|�ks| � dd� d S )Nr� Tr u "\ r� r� r� r� r� r� r� � ÿz\x%02Xu z\u%04Xz\U%08Xr F)ra rO r3 r. r r� r r� �ESCAPE_REPLACEMENTSr� r5 rb r/ r0 )r r� r� r� r� r� r� r r r r� � s� ������� 4�� �1zEmitter.write_double_quotedc C s^ d}|r-|d dv r|t | j�7 }|d dvr |d7 }|S t|�dks)|d dv r-|d 7 }|S ) Nr� r r� rK r� r� r ����+)�strr4 rO )r r� �hintsr r r �determine_block_hints� s �z Emitter.determine_block_hintsc C s� | � |�}| �d| d� |dd � dkrd| _| �� d}d}d}d }}|t|�kr�d }|t|�k r8|| }|r||d u sB|dvr{|sV|d urV|dkrV|| d krV| �� |dk}|||� D ]} | d krk| �� q`| �| � q`|d ury| �� |}nh|r�|dkr�|d |kr�| j| jkr�| �� n |||� } | jt| �7 _| jr�| � | j�} | j � | � |}n0|d u s�|d v r�|||� } | jt| �7 _| jr�| � | j�} | j � | � |d u r�| �� |}|d ur�|dv }|dk}|d 7 }|t|�ks,d S d S ) Nr� TrK r Fr r� r� r r r� ) r ra r1 r� rO rb r. r5 r r� r r� ) r r� r r� r� r� r� r� r� r� r� r r r r� � sj � � � �zEmitter.write_foldedc C s: | � |�}| �d| d� |dd � dkrd| _| �� d}d }}|t|�kr�d }|t|�k r4|| }|r`|d u s>|dvr_|||� D ]}|dkrO| �� qD| �|� qD|d ur]| �� |}n'|d u sh|dv r�|||� }| jrw|�| j�}| j� |� |d u r�| �� |}|d ur�|dv }|d7 }|t|�ks(d S d S ) Nr� TrK r r r� r r ) r ra r1 r� rO rb r r� r r� ) r r� r r� r� r� r� r� r� r r r r� sB � �zEmitter.write_literalc C s� | j rd| _|s d S | js'd}| jt|�7 _| jr!|�| j�}| j�|� d| _d| _ d}d}d }}|t|�kr�d }|t|�k rG|| }|r�|dkr�|d |krf| j| j krf|rf| � � d| _d| _ n |||� }| jt|�7 _| jr~|�| j�}| j�|� |}n\|r�|dvr�|| dkr�| � � |||� D ]} | dkr�| � � q�| � | � q�| � � d| _d| _ |}n(|d u s�|dv r�|||� }| jt|�7 _| jr�|�| j�}| j�|� |}|d ur�|dk}|dv }|d7 }|t|�ks;d S d S ) NTr� Fr r r� r r� ) r) r1 r/ r. rO r r� r r� r0 r5 rb r� ) r r� r� r� r� r� r� r� r� r� r r r r� 8 sr � � �zEmitter.write_plain)NNNNN)FF)F)FFFFr )T)@r r r re r r> rD rA rH rT r" rX rW r\ rw rn ry r| r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� rm r� r~ r r� r� rc ri rj r� r� r� rv rV ro ra rb r� rd rk r� r r� r r� r� r� r r r r r s� � �D $ � $ # � 7� 6 6#N)�__all__�errorr r$ r r r r r r r �<module> s
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