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dd� Z dd� Z dd� Z
dd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� Zd1d2� Zd3S )4� BaseStemmerc C s | � d� d S �N� )� set_current��self� r �=/usr/lib/python3/dist-packages/snowballstemmer/basestemmer.py�__init__ s zBaseStemmer.__init__c C s2 || _ d| _t| j �| _d| _| j| _| j| _dS )z.
Set the self.current string.
� N)�current�cursor�len�limit�limit_backward�bra�ket)r �valuer r r r s zBaseStemmer.set_currentc C s | j S )z.
Get the self.current string.
)r r r r r � get_current s zBaseStemmer.get_currentc C s4 |j | _ |j| _|j| _|j| _|j| _|j| _d S �N)r r r r r r )r �otherr r r � copy_from s zBaseStemmer.copy_fromc C sn | j | jkrdS t| j| j �}||ks||k rdS ||8 }||d? d|d@ > @ dkr.dS | j d7 _ dS )NF� � � r
T�r r �ordr �r �s�min�max�chr r r � in_grouping s zBaseStemmer.in_groupingc C sv | j | jk r9t| j| j �}||ks||k rdS ||8 }||d? d|d@ > @ dkr,dS | j d7 _ | j | jk sdS )NTr r r r
Fr r r r r �go_in_grouping* s �zBaseStemmer.go_in_groupingc C sr | j | jkrdS t| j| j d �}||ks||k r dS ||8 }||d? d|d@ > @ dkr0dS | j d8 _ dS )NFr r r r
T�r r r r r r r r �
in_grouping_b5 s zBaseStemmer.in_grouping_bc C sz | j | jkr;t| j| j d �}||ks||k rdS ||8 }||d? d|d@ > @ dkr.dS | j d8 _ | j | jksdS )Nr Tr r r
Fr# r r r r �go_in_grouping_bA s �z BaseStemmer.go_in_grouping_bc C s| | j | jkrdS t| j| j �}||ks||k r!| j d7 _ dS ||8 }||d? d|d@ > @ dkr<| j d7 _ dS dS �NFr Tr r r
r r r r r � out_groupingL s zBaseStemmer.out_groupingc C sn | j | jk r5t| j| j �}||kr(||kr(||8 }||d? d|d@ > @ r(dS | j d7 _ | j | jk sdS )Nr r r TFr r r r r �go_out_groupingY s �zBaseStemmer.go_out_groupingc C s� | j | jkrdS t| j| j d �}||ks||k r#| j d8 _ dS ||8 }||d? d|d@ > @ dkr>| j d8 _ dS dS r& r# r r r r �out_grouping_bc s zBaseStemmer.out_grouping_bc C sr | j | jkr7t| j| j d �}||kr*||kr*||8 }||d? d|d@ > @ r*dS | j d8 _ | j | jksdS )Nr r r TFr# r r r r �go_out_grouping_bp s �z BaseStemmer.go_out_grouping_bc C sP | j | j t|�k r dS | j| j| jt|� � |kr dS | jt|�7 _dS �NFT)r r r
r �r r r r r �eq_sz � zBaseStemmer.eq_sc C sP | j | j t|�k r dS | j| j t|� | j � |kr dS | j t|�8 _ dS r+ )r r r
r r, r r r �eq_s_b� r. zBaseStemmer.eq_s_bc C sh d}t |�}| j}| j}d}d}d} ||| d? } d}
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| | j�}|� }|t | j� | _|r�| j S | j }|dk r�dS qy)Nr
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r r r �ranger r r �method�result�getattr� substring_i)r �v�i�j�c�l�common_i�common_j�first_key_inspected�k�diff�common�w�i2r2 �resr r r �
find_among� sb
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�zBaseStemmer.find_amongc C sv d}t |�}| j}| j}d}d}d} ||| d? } d}
t||�} || } tt | j�d | dd�D ](}
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dkrW n| d7 } q3|
dk re| }| }n| }| }|| dkr~|dkrtn ||kryn|r|nd}q || } |t | j�kr�|t | j� | _| jdu r�| j S t
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find_among_b is for backwards processing. Same comments apply
r
FTr r0 N) r
r r r r1 r r r r2 r3 r4 r5 )r r6 r7 r8 r9 �lbr; r< r= r> r? r@ rA rB r2 rC r r r � find_among_b� sb
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�zBaseStemmer.find_among_bc C sp t |�|| }| jd|� | | j|d� | _| j|7 _| j|kr.| j|7 _|S | j|kr6|| _|S )z�
to replace chars between c_bra and c_ket in self.current by the
chars in s.
@type c_bra int
@type c_ket int
@type s: string
r
N)r
r r r �r �c_bra�c_ketr �
adjustmentr r r � replace_s� s "
�zBaseStemmer.replace_sc C s: | j dk s| j | jks| j| jks| jt| j�krdS dS )Nr
FT)r r r r
r r r r r � slice_check s 2zBaseStemmer.slice_checkc C s& d}| � � r| �| j| j|� d}|S )z
@type s string
FT)rL rK r r )r r r3 r r r �
slice_from s
zBaseStemmer.slice_fromc C s
| � d�S r )rM r r r r � slice_del s
zBaseStemmer.slice_delc C sF | � |||�}|| jkr| j|7 _|| jkr!| j|7 _dS dS )zQ
@type c_bra int
@type c_ket int
@type s: string
N)rK r r rG r r r �insert" s
�zBaseStemmer.insertc C s" d}| � � r| j| j| j� }|S )z/
Return the slice as a string.
r )rL r r r )r r3 r r r �slice_to. s zBaseStemmer.slice_toc C s | j d| j� S )z<
Return the current string up to the limit.
r
)r r r r r r � assign_to7 s zBaseStemmer.assign_toc C s | � |� | �� | �� S r )r �_stemr )r �wordr r r �stemWord= s
zBaseStemmer.stemWordc s � fdd�|D �S )Nc s g | ]}� � |��qS r )rT )�.0rS r r r �
<listcomp>C s z)BaseStemmer.stemWords.<locals>.<listcomp>r )r �wordsr r r � stemWordsB s zBaseStemmer.stemWordsN) �__name__�
__module__� __qualname__r r r r r! r" r$ r% r' r( r) r* r- r/ rD rF rK rL rM rN rO rP rQ rT rX r r r r r s4
::
r N)�objectr r r r r �<module> s