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dd� Zdd� Ze�d�Zdd� ZG dd� d�ZG dd� d�ZG dd � d �Zed kr�dd lmZ ed d d!d"� dS )#z�Format all or a selected region (line slice) of text.
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File renamed from paragraph.py with functions added from editor.py.
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�ZdS ) �FormatParagrapha Format a paragraph, comment block, or selection to a max width.
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comment blocks. Thus, for editing Python source code, this
extension is really only suitable for reformatting these comment
blocks or triple-quoted strings.
Known problems with comment reformatting:
* If there is a selection marked, and the first line of the
selection is not complete, the block will probably not be detected
as comments, and will have the normal "text formatting" rules
applied.
* If a comment block has leading whitespace that mixes tabs and
spaces, they will not be considered part of the same block.
* Fancy comments, like this bulleted list, aren't handled :-)
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by blank lines) and formats it.
The length limit parameter is for testing with a known value.
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r c s� t � ��d��fdd�| �d�D ��} t|t � � d�}t| |�}|�d�}d}|d shd}|dd� }d�� fdd�|D ��| S ) z?Return data reformatted to specified width with comment header.r< c 3 s | ]}|� d � V qd S )Nr )�.0r; )�lcr r � <genexpr>� s z#reformat_comment.<locals>.<genexpr>� � ���Nc 3 s | ]}� | V qd S )Nr )rM r; )r* r r rO � s )r8 rF r6 �maxr )r) r& r* Z format_widthr+ Z block_suffixr )r* rN r r � s
r c C s t �d| �dk S )z/Return True if line is empty or all whitespace.z^\s*$N)r@ �match)r; r r r r7 � s r7 c C s t �d| ��� S )z/Return the initial space or tab indent of line.z ^([ \t]*))r@ rT �group)r; r r r r? � s r? c C s" t �d| �}|dkrdS |�d�S )a Return string with leading whitespace and '#' from line or ''.
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z ^([ \t]*#*)NrQ r4 )r@ rT rU )r; �mr r r r � s r z[ \t]*c C s$ t �| �}|�� t|�� �|��fS )z�Return a line's indentation as (# chars, effective # of spaces).
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� s zFormatRegion.__init__c C sr | j j}| j �� \}}|r<|r<|�|d �}|�|d �}n|�d�}|�d�}|�||�}|�d�}||||fS )aq Return line information about the selected text region.
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linestartz-1c lineend +1czinsert linestartzinsert lineend +1cr< )r r r r r r6 )r r r' r( �head�tail�charsrG r r r �
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zFormatRegion.get_regionc C sz | j j}d�|�}||kr&|�� dS |�ddd� |�d|� |�� |�||� |�||� |� � |�
d|d� dS )aa Replace the text between the given indices.
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head: Starting index of text to replace.
tail: Ending index of text to replace.
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lines: List of new lines to insert between head
and tail.
r< Nr z1.0r r ) r r rF Zbellr r! r" r# r r$ Ztag_add)r r[ r\ r] rG r �newcharsr r r �
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C s� | � � \}}}}xZtt|��D ]J}|| }|r t|| jj�\}} | | jj } | j�| �||d� ||< q W | �||||� dS )z$Indent region by indentwidth spaces.Nr ) r^ rA r8 rY r rX � indentwidth� _make_blanksr` )
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C s� | � � \}}}}x`tt|��D ]P}|| }|r t|| jj�\}} t| | jj d�} | j�| �||d� ||< q W | � ||||� dS )z$Dedent region by indentwidth spaces.r Nr )
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r r% r[ r\ r] rG rc r; rd re r r r �dedent_region_event s z FormatRegion.dedent_region_eventc C sR | � � \}}}}x,tt|�d �D ]}|| }d| ||< q"W | �||||� dS )zrComment out each line in region.
## is appended to the beginning of each line to comment it out.
r4 z##r )r^ rA r8 r` )r r% r[ r\ r] rG rc r; r r r �comment_region_event s z!FormatRegion.comment_region_eventc C s� | � � \}}}}xdtt|��D ]T}|| }|s0q |dd� dkrN|dd� }n |dd� dkrj|dd� }|||< q W | �||||� dS )z�Uncomment each line in region.
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is not in the beginning position, this command will have no effect.
Nr= z##r4 �#r )r^ rA r8 r` )r r% r[ r\ r] rG rc r; r r r �uncomment_region_event, s z#FormatRegion.uncomment_region_eventc
C s� | � � \}}}}| �� }|dkr$dS x\tt|��D ]L}|| }|r2t||�\} }
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|�\} } d| d| || d� ||< q2W | �||||� dS )z@Convert leading spaces to tabs for each line in selected region.N� r> r )r^ � _asktabwidthrA r8 rY �divmodr` )
r r% r[ r\ r] rG rX rc r; rd re ZntabsZnspacesr r r �tabify_region_event? s $z FormatRegion.tabify_region_eventc C s` | � � \}}}}| �� }|dkr$dS x&tt|��D ]}|| �|�||< q2W | �||||� dS )z.Expand tabs to spaces for each line in region.Nr )r^ rl rA r8 rB r` )r r% r[ r\ r] rG rX rc r r r �untabify_region_eventN s z"FormatRegion.untabify_region_eventc C s t dd| jj| jjddd�S )zReturn value for tab width.z Tab widthzColumns per tab? (2-16)r= � )�parent� initialvalue�minvalue�maxvalue)r r r ra )r r r r rl Y s zFormatRegion._asktabwidth)N)N)N)N)N)N)r- r. r/ r0 r
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rZ c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �IndentszChange future indents.c C s
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g s zIndents.__init__c C sJ | j }|j}tddd| d d| d d |jd�rF| |_d |_d
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