a
    èÝEbs  ã                   @   s,   d gZ dd „ Zdd„ Zd
dd„Zdd„ Zd	S )Ú
maxCtxFontc                 C   sX   d}dD ]J}|| vrq| | j }|js(q|jjD ] }|jD ]}t|||j|ƒ}q:q0q|S )z4Calculate the usMaxContext value for an entire font.é    )ÚGSUBÚGPOS)ÚtableZ
LookupListZLookupZSubTableÚmaxCtxSubtableZ
LookupType)ÚfontÚmaxCtxÚtagr   ÚlookupÚst© r   ú_/home/ja/django-apps/lartica_env/lib/python3.9/site-packages/fontTools/otlLib/maxContextCalc.pyr      s    

c                 C   sZ  |dkr|dks |dkr.|dv r.t | dƒ} �n(|dkrL|dkrLt | dƒ} �n
|dkr„|dkr„|j ¡ D ]}|D ]}t | |jƒ} qnqfnÒ|dkr”|dks¤|dkr¾|dkr¾t| ||dkr¶d	nd
ƒ} n˜|dkrÎ|dksÞ|dkrú|dkrút| ||dkrðd	nd
dƒ} n\|dk�r|dk�s"|dk�r6|dk�r6t| ||j|jƒ} n |dk�rV|dk�rVt| |dƒ} | S )z[Calculate usMaxContext based on a single lookup table (and an existing
    max value).
    r   é   r   )r   é   é   r   é   é   é   ÚPosÚSubé   é   ZChainé	   ÚReverse)	ÚmaxÚ	ligaturesÚvaluesZ	CompCountÚmaxCtxContextualSubtabler   ZExtensionLookupTypeZExtSubTableÚmaxCtxContextualRule)r   r	   Z
lookupTyper   r   Zligaturer   r   r   r      s.    ÿÿ  ÿ(r   Ú c                 C   sÒ   |j dkr\t|d||f ƒD ]<}|du r*qt|d||f ƒD ]}|du rJq<t| ||ƒ} q<qnr|j dkr¸t|d||f ƒD ]<}|du r†qxt|d||f ƒD ]}|du r¦q˜t| ||ƒ} q˜qxn|j dkrÎt| ||ƒ} | S )	z>Calculate usMaxContext based on a contextual feature subtable.r   z%s%sRuleSetNz%s%sRuler   z%s%sClassSetz%s%sClassRuler   )ZFormatÚgetattrr   )r   r   ZruleTypeÚchainZrulesetÚruler   r   r   r   >   s&    


r   c                 C   s<   |st | |jƒS |dkr*t | |j|j ƒS t | |j|j ƒS )z:Calculate usMaxContext based on a contextual feature rule.r   )r   Z
GlyphCountZLookAheadGlyphCountZInputGlyphCount)r   r   r!   r   r   r   r   Y   s
    r   N)r   )Ú__all__r   r   r   r   r   r   r   r   Ú<module>   s   *
