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dd� Z dd� Z d S )�Nodec C s( || _ d| _d| _i | _g | _g | _dS )a6 Node representing an item in the tree.
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value - The value of the current node (applies to text nodes and
comments
attributes - a dict holding name, value pairs for attributes of the node
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N)r! )r r" r r r � removeChildG s zNode.removeChildc C s$ x| j D ]}|j|� qW g | _ dS )z�Move all the children of the current node to newParent.
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N)r r# )r Z newParentZchildr r r �reparentChildrenL s zNode.reparentChildrenc C s t �dS )z�Return a shallow copy of the current node i.e. a node with the same
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documentClass - the class to use for the bottommost node of a document
elementClass - the class to use for HTML Elements
commentClass - the class to use for comments
doctypeClass - the class to use for doctypes
Nc C s |r d| _ nd | _ | j� d S )Nz http://www.w3.org/1999/xhtml)�defaultNamespace�reset)r ZnamespaceHTMLElementsr r r r � s zTreeBuilder.__init__c C s. g | _ t� | _d | _d | _d| _| j� | _d S )NF)� openElementsr. �activeFormattingElementsZ headPointerZ formPointer�insertFromTable�
documentClass�document)r r r r r: � s zTreeBuilder.resetc C s~ t |d�}|s$t|t�r$td |f}t| \}}xHt| j�D ]:}|rP||krPdS | rd|j|krddS ||j|kA r<dS q<W d S )Nr7 r
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z-TreeBuilder.elementInActiveFormattingElementsc C s& | j |�}| jj|� | jj|� d S )N)�
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zTreeBuilder.insertRootc C s6 |d }|d }|d }| j |||�}| jj|� d S )Nr �publicId�systemId)� doctypeClassr? r# )r rS r rU rV Zdoctyper r r �
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zTreeBuilder.insertDoctypec C s* |d kr| j d }|j| j|d �� d S )Nr/ r$ r1 )r; r# � commentClass)r rS r r r r �
insertComment s
zTreeBuilder.insertCommentc C s0 |d }|j d| j�}| j||�}|d |_|S )z.Create an element but don't insert it anywherer rH r$ )�getr9 � elementClassr )r rS r rH r6 r r r rR s
zTreeBuilder.createElementc C s | j S )N)�_insertFromTable)r r r r �_getInsertFromTable s z TreeBuilder._getInsertFromTablec C s || _ |r| j| _n| j| _dS )zsSwitch the function used to insert an element from the
normal one to the misnested table one and back againN)r] �insertElementTablerJ �insertElementNormal)r r r r r �_setInsertFromTable s
z TreeBuilder._setInsertFromTablec C sL |d }|j d| j�}| j||�}|d |_| jd j|� | jj|� |S )Nr rH r$ r/ r1 )r[ r9 r\ r r; r# r5 )r rS r rH r6 r r r r` $ s
z TreeBuilder.insertElementNormalc C s` | j |�}| jd jtkr$| j|�S | j� \}}|dkrD|j|� n |j||� | jj|� |S )z-Create an element and insert it into the treer/ Nr1 ) rR r; r r r` � getTableMisnestedNodePositionr# r% r5 )r rS r6 r r% r r r r_ . s
z TreeBuilder.insertElementTablec C sX |dkr| j d }| j s0| jr<| j d jtkr<|j|� n| j� \}}|j||� dS )zInsert text data.Nr/ r1 r1 )r; r= r r r& rb )r r$ r r% r r r r& > s
zTreeBuilder.insertTextc C sv d}d}d}x(| j ddd� D ]}|jdkr |}P q W |rd|jrL|j}|}qn| j | j j|�d }n
| j d }||fS )zsGet the foster parent element, and sibling to insert before
(or None) when inserting a misnested table nodeNr/ r r r1 )r; r r �index)r Z lastTableZ fosterParentr% Zelmr r r rb M s
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z"TreeBuilder.generateImpliedEndTagsc C s | j S )zReturn the final tree)r? )r r r r � getDocumentq s zTreeBuilder.getDocumentc C s | j � }| jd j|� |S )zReturn the final fragmentr )�
fragmentClassr; r( )r Zfragmentr r r � getFragmentu s zTreeBuilder.getFragmentc C s t �dS )zzSerialize the subtree of node in the format required by unit tests
node - the node from which to start serializingN)r! )r r" r r r �testSerializer| s zTreeBuilder.testSerializer)N)N)N)N) r+ r, r- �__doc__r> r\ rY rW rn r r: rF rM rO rQ rT rX rZ rR r^ ra �propertyr= r` r_ r& rb rk rm ro rp r r r r r8 z s6
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