a
    ضa                     @   s   d Z ddlmZ ddlZddlZddlmZmZm	Z	m
Z
mZmZmZ dZede jZede jZdZede jZede jZG d	d
 d
Ze e jZdd Zdd ZdS )z
A module for parsing and generating `fontconfig patterns`_.

.. _fontconfig patterns:
   https://www.freedesktop.org/software/fontconfig/fontconfig-user.html
    )	lru_cacheN)Literal
ZeroOrMoreOptionalRegex	StringEndParseExceptionSuppressz\\\-:,z\\([%s])z([%s])z\\=_:,c                   @   s   e Zd ZdZddddddddddd	d
dddddddddddddZdd Zdd Zdd Zdd Zd d! Z	d"d# Z
d$d% Zd&d' Zd(d) Zd*S )+FontconfigPatternParserz
    A simple pyparsing-based parser for `fontconfig patterns`_.

    .. _fontconfig patterns:
       https://www.freedesktop.org/software/fontconfig/fontconfig-user.html
    )weightlight)r   book)r   regular)r   normal)r   medium)r   demibold)r   semibold)r   bold)r   z
extra bold)r   black)r   heavy)slantr   )r   italic)r   oblique)widthzultra-condensed)r   zextra-condensed)r   	condensed)r   zsemi-condensed)r   expanded)r   zextra-expanded)r   zultra-expanded)ZthinZ
extralightZ
ultralightr   r   r   r   r   r   r   r   Z	extraboldr   r   Zromanr   r   ZultracondensedZextracondensedr   Zsemicondensedr   ZextraexpandedZultraexpandedc           	      C   s   t dttf | j}t d| j}t d| j}t dttf | j}|tt	d|  | j
}|tt	d|  | j}|tt	d | ttt	d|  |B | j}t|tt	d|  tt	d|  t  }|| _t| _d S )Nz([^%s]|(\\[%s]))*z([0-9]+\.?[0-9]*|\.[0-9]+)z[a-z]+,=-:)r   family_puncsetParseAction_family_size_name
value_punc_valuer   r   	_families_point_sizesr	   	_propertyr   r   _parserr   )	selffamilysizenamevalueZfamiliesZpoint_sizespropertypattern r2   m/Users/vegardjervell/Documents/master/model/venv/lib/python3.9/site-packages/matplotlib/fontconfig_pattern.py__init__>   s    



z FontconfigPatternParser.__init__c              
   C   sh   i  }| _ z| j| W n8 | jyR } ztd||f |W Y d}~n
d}~0 0 d| _ | j  |S )z
        Parse the given fontconfig *pattern* and return a dictionary
        of key/value pairs useful for initializing a
        `.font_manager.FontProperties` object.
        z$Could not parse font string: '%s'
%sN)_propertiesr*   parseStringr   
ValueError
resetCache)r+   r1   propser2   r2   r3   parsew   s    


zFontconfigPatternParser.parsec                 C   s   t dt|d gS Nz\1r   )family_unescapestrr+   sloctokensr2   r2   r3   r"      s    zFontconfigPatternParser._familyc                 C   s   t |d gS Nr   )floatr?   r2   r2   r3   r#      s    zFontconfigPatternParser._sizec                 C   s   t |d gS rC   r>   r?   r2   r2   r3   r$      s    zFontconfigPatternParser._namec                 C   s   t dt|d gS r<   )value_unescaper>   r?   r2   r2   r3   r&      s    zFontconfigPatternParser._valuec                 C   s   dd |D | j d< g S )Nc                 S   s   g | ]}t |qS r2   rE   .0xr2   r2   r3   
<listcomp>       z5FontconfigPatternParser._families.<locals>.<listcomp>r,   r5   r?   r2   r2   r3   r'      s    z!FontconfigPatternParser._familiesc                 C   s   dd |D | j d< g S )Nc                 S   s   g | ]}t |qS r2   rE   rG   r2   r2   r3   rJ      rK   z8FontconfigPatternParser._point_sizes.<locals>.<listcomp>r-   rL   r?   r2   r2   r3   r(      s    z$FontconfigPatternParser._point_sizesc                 C   sn   t |dkrB|d | jv rj| j|d  \}}| j|g | n(|d }|dd  }| j|g | g S )N   r   )len
_constantsr5   
setdefaultappendextend)r+   r@   rA   rB   keyvalr2   r2   r3   r)      s    z!FontconfigPatternParser._propertyN)__name__
__module____qualname____doc__rO   r4   r;   r"   r#   r$   r&   r'   r(   r)   r2   r2   r2   r3   r
      sF   9r
   c                    s2   t | rt| tr| g} d fdd| D S )z
    Given a string value or a list of string values, run each value through
    the input escape function to make the values into legal font config
    strings.  The result is returned as a string.
    r   c                 3   s$   | ]}|d ur dt |V  qd S )Nz\\\1rE   rG   escape_funcr2   r3   	<genexpr>   s   z_escape_val.<locals>.<genexpr>)npiterable
isinstancer>   join)rT   rZ   r2   rY   r3   _escape_val   s    r`   c                 C   sx   g }|   }|dur,|g kr,|t|t dD ]<}t| d|  }|dur0|g kr0|d|t|tf  q0d|S )z[
    Given a dictionary of key/value pairs, generates a fontconfig
    pattern string.
    N)stylevariantr   Zstretchfiler-   get_z:%s=%s )Z
get_familyrQ   r`   family_escapegetattrvalue_escaper_   )dr9   r,   rS   rT   r2   r2   r3   generate_fontconfig_pattern   s    rj   )rX   	functoolsr   reZnumpyr\   	pyparsingr   r   r   r   r   r   r	   r    compilesubr=   rf   r%   rF   rh   r
   r;   Zparse_fontconfig_patternr`   rj   r2   r2   r2   r3   <module>   s   $ 