o
    a+                     @   s`   d dl mZmZ d dlmZ d dlZd dlZG dd deZG dd deZ	G dd	 d	e	Z
dS )
    )FeatureLibErrorIncludedFeaNotFound)FeatureLibLocationNc                   @   s   e Zd ZdZdZdZeeefZdZdZdZ	dZ
dZd	Zd
ZdZdZdZdZdZdZdZdZdZed Zee d ZedZdZ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 )+LexerNUMBERHEXADECIMALOCTALFLOATSTRINGNAMEFILENAME
GLYPHCLASSCIDSYMBOLCOMMENTNEWLINEANONYMOUS_BLOCKz 	z
z,;:-+'{}[]<>()=
0123456789Z0123456789ABCDEFabcdefZ4ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzz	_+*:.^~!\z
_.+*:^~!/-z^[A-Za-z_0-9.\-]+$ZNORMALc                 C   s4   || _ d| _d| _d| _|| _t|| _tj| _	d S )N   r   )
	filename_line_pos_line_start_text_lentext_length_r   MODE_NORMAL_mode_)selftextfilename r!   8/usr/lib/python3/dist-packages/fontTools/feaLib/lexer.py__init__%   s   
zLexer.__init__c                 C      | S Nr!   r   r!   r!   r"   __iter__.      zLexer.__iter__c                 C      |   S r%   __next__r&   r!   r!   r"   next1      z
Lexer.nextc                 C   s&   	 |   \}}}|tjkr|||fS qr%   )next_r   r   )r   
token_typetokenlocationr!   r!   r"   r+   4   s
   

zLexer.__next__c                 C   s$   | j | j d }t| jpd| j|S )Nr   z
<features>)r   r   r   r   r   )r   columnr!   r!   r"   	location_:   s   zLexer.location_c           
      C   s  |  tj |  }| j}| j}t|}||krt || }|d |k r+||d  nd }|dkrI|  jd7  _|  jd7  _| j| _	tj
d |fS |dkrk|  j|dkrVdnd7  _|  jd7  _| j| _	tj
d |fS |dkr| tj tj||| j |fS | jtju r|dkrtd|| d | j|k r|| j nd }|dkrtd	||  jd7  _tj| _tj||d | jd  |fS |d
kr|tjv r|  jd7  _|  tj tjt||d | j d|fS |dkr.|  jd7  _|  tj ||d | j }t|dk rtd|t|dkrtd|tj|s(td|tj||fS |tjv rW|  jd7  _|  tj ||| j }|dkrQtj| _tj||fS |dkr||dv r||  jd7  _|  tj tjt||| j d|fS |dkr|tjv r|  tj tjt||| j d|fS |tjv r|  tj | j|ks|| j dkrtjt||| j d|fS |  d |  tj tj t!||| j |fS |dkr'|tjv r'|  jd7  _|  tj | j|ks|| j dkrtjt||| j d|fS |  d |  tj tj t!||| j |fS |tj"v r:|  jd7  _tj#||fS |dkr}|  jd7  _| d | j| j$k rx| j| j dkrx|  jd7  _t%&dd||d | jd  }	tj'|	|fS td|td| |)Nr   
   #(zExpected '(' before file name)zExpected ')' after file name\
   @zExpected glyph class name?   z7Glyph class names must not be longer than 63 characterszOGlyph class names must consist of letters, digits, underscore, period or hypheninclude0ZxX      .-"z[
] z Expected '"' to terminate stringzUnexpected character: %r)(
scan_over_r   CHAR_WHITESPACE_r3   r   r   r   StopIterationr   r   r   scan_until_CHAR_NEWLINE_r   r   MODE_FILENAME_r   r   r   CHAR_DIGIT_r   intCHAR_NAME_CONTINUATION_RE_GLYPHCLASSmatchr   CHAR_NAME_START_r   CHAR_HEXDIGIT_r   r   r   r	   floatCHAR_SYMBOL_r   r   resubr
   )
r   r1   startr   limitZcur_charZ	next_charZ
glyphclassr0   stringr!   r!   r"   r.   >   s   


 






  
zLexer.next_c                 C   sH   | j }|| jk r| j| |v r|d7 }|| jk r| j| |v s|| _ d S Nr   r   r   r   )r   Zvalidpr!   r!   r"   rF      
   
zLexer.scan_over_c                 C   sH   | j }|| jk r| j| |vr|d7 }|| jk r| j| |vs|| _ d S rZ   r[   )r   Zstop_atr\   r!   r!   r"   rI      r]   zLexer.scan_until_c                 C   s   |   }| }| tj | tj d| d }tj|| j| j	d  dd}t
|dkr5td| ||  j	t
|d 7  _	tj|d |fS )Nz}\s*z\s*;r   )maxsplitr6   z-Expected '} %s;' to terminate anonymous blockr   )r3   striprI   r   rJ   rF   rU   splitr   r   r   r   r   )r   tagr1   Zregexpr`   r!   r!   r"   scan_anonymous_block   s   zLexer.scan_anonymous_blockN)'__name__
__module____qualname__r   r   r   ZNUMBERSr	   r
   r   r   r   r   r   r   r   r   rG   rJ   rT   rL   rR   ZCHAR_LETTER_rQ   rN   rU   compilerO   r   rK   r#   r'   r,   r+   r3   r.   rF   rI   rb   r!   r!   r!   r"   r      sF    

	er   c                   @   sJ   e Zd ZdZddddZdd Zdd	 Zd
d Zedd Z	dd Z
dS )IncludingLexera  A Lexer that follows include statements.

    The OpenType feature file specification states that due to
    historical reasons, relative imports should be resolved in this 
    order:

    1. If the source font is UFO format, then relative to the UFO's
       font directory
    2. relative to the top-level include file
    3. relative to the parent include file

    We only support 1 (via includeDir) and 2.
    N)
includeDirc                C   s&   |  |g| _| jd j| _|| _dS )aO  Initializes an IncludingLexer.

        Behavior:
            If includeDir is passed, it will be used to determine the top-level
            include directory to use for all encountered include statements. If it is
            not passed, ``os.path.dirname(featurefile)`` will be considered the
            include directory.
        r   N)make_lexer_lexers_r   featurefilepathrh   )r   Zfeaturefilerh   r!   r!   r"   r#      s   

zIncludingLexer.__init__c                 C   r$   r%   r!   r&   r!   r!   r"   r'      r(   zIncludingLexer.__iter__c                 C   r)   r%   r*   r&   r!   r!   r"   r,      r-   zIncludingLexer.nextc              
   C   s2  | j r| j d }z	t|\}}}W n ty   | j   Y q w |tju r|dkr| \}}}|tjur:td|tj	
|rC|}n!| jd urL| j}	n| jd urYtj	| j}	nt }	tj	|	|}t| j dkrptd|z| j | | W n ty }
 zt|||
d }
~
ww |||fS | j st )Nr>   zExpected file name   zToo many recursive includes)rj   r,   rH   popr   r   r   r   ospathisabsrh   rk   dirnamegetcwdjoinr   appendri   FileNotFoundErrorr   )r   Zlexerr/   r0   r1   Z
fname_typeZfname_tokenZfname_locationrp   Zcurpatherrr!   r!   r"   r+      s>   







$zIncludingLexer.__next__c                 C   sX   t | dr| d}}n| d}}t|ddd}| }t|dd }|r'|  t||S )NreadFTrzutf-8)encodingname)hasattropenrx   getattrcloser   )Zfile_or_pathZfileobjclosingr    datar!   r!   r"   ri     s   


zIncludingLexer.make_lexer_c                 C   s   | j d |S )Nrl   )rj   rb   )r   ra   r!   r!   r"   rb     s   z#IncludingLexer.scan_anonymous_block)rc   rd   re   __doc__r#   r'   r,   r+   staticmethodri   rb   r!   r!   r!   r"   rg      s    '
rg   c                   @   s   e Zd ZdZdd ZdS )NonIncludingLexerzBLexer that does not follow `include` statements, emits them as-is.c                 C   s   t | jd S )Nr   )r,   rj   r&   r!   r!   r"   r+     s   zNonIncludingLexer.__next__N)rc   rd   re   r   r+   r!   r!   r!   r"   r     s    r   )ZfontTools.feaLib.errorr   r   ZfontTools.feaLib.locationr   rU   ro   objectr   rg   r   r!   r!   r!   r"   <module>   s     8[