U
    Dvfm+                     @   s   d dl mZmZ d dlmZ d dlZd dlZzd dlZW n  ek
rX   d dl	mZ Y nX G dd de
ZG dd de
ZG d	d
 d
eZdS )    )FeatureLibErrorIncludedFeaNotFound)FeatureLibLocationN)cythonc                   @   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,;:-+'{}[]<>()=
01234567890123456789ABCDEFabcdefZ4ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzz	_+*:.^~!\z
_.+*:^~!/-z^[A-Za-z_0-9.\-]+$NORMALc                 C   s4   || _ d| _d| _d| _|| _t|| _tj| _	d S )N   r   )
	filename_line_pos_line_start_text_lentext_length_r   MODE_NORMAL_mode_)selftextfilename r$   :/tmp/pip-unpacked-wheel-qlge9rch/fontTools/feaLib/lexer.py__init__+   s    
zLexer.__init__c                 C   s   | S Nr$   r!   r$   r$   r%   __iter__4   s    zLexer.__iter__c                 C   s   |   S r'   __next__r(   r$   r$   r%   next7   s    z
Lexer.nextc                 C   s(   |   \}}}|tjkr |||fS q d S r'   )next_r   r   )r!   
token_typetokenlocationr$   r$   r%   r+   :   s    
zLexer.__next__c                 C   s$   | 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r6t || }|d |k rV||d  nd }|dkr|  jd7  _|  jd7  _| j| _	tj
d |fS |dkr|  j|dkrd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kr|dkr$td|| d | j|k rD|| j nd }|dkr\td	||  jd7  _tj| _tj||d | jd  |fS |d
kr|tjkr|  jd7  _|  tj tjt||d | j d|fS |dkrR|  jd7  _|  tj ||d | j }t|dk r.td|tj|sFtd|tj||fS |tjkr|  jd7  _|  tj ||| j }|dkrtj| _tj||fS |dkr|dkr|  jd7  _|  tj tjt||| j d|fS |dkr,|tjkr,|  tj tjt||| j d|fS |tjkr|  tj | j|ks`|| j dkr|tjt||| j d|fS |  d |  tj tj t!||| j |fS |dkrD|tjkrD|  jd7  _|  tj | j|ks|| j dkrtjt||| j d|fS |  d |  tj tj t!||| j |fS |tj"krj|  jd7  _tj#||fS |dkr|  jd7  _| d | j| j$k r| j| j dkr|  jd7  _t%&dd||d | jd  }	tj'|	|fS td|td| |d S )Nr   
   #(zExpected '(' before file name)zExpected ')' after file name\
   @zExpected glyph class namezOGlyph class names must consist of letters, digits, underscore, period or hypheninclude0xX      .-"z[
] z Expected '"' to terminate stringzUnexpected character: %r)(
scan_over_r   CHAR_WHITESPACE_r2   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!   r0   startr"   limitZcur_charZ	next_charZ
glyphclassr/   stringr$   r$   r%   r-   D   s    





 






  
zLexer.next_c                 C   s2   | j }|| jk r(| j| |kr(|d7 }q|| _ d S Nr   r   r   r   )r!   Zvalidpr$   r$   r%   rE      s    
zLexer.scan_over_c                 C   s2   | j }|| jk r(| j| |kr(|d7 }q|| _ d S rY   rZ   )r!   Zstop_atr[   r$   r$   r%   rH      s    
zLexer.scan_until_c                 C   s   |   }| }| tj | tj d| d }tj|| j| j	d  dd}t
|dkrjtd| ||  j	t
|d 7  _	tj|d |fS )Nz}\s*z\s*;r   )maxsplitr5   z-Expected '} %s;' to terminate anonymous blockr   )r2   striprH   r   rI   rE   rT   splitr   r   r   r   r   )r!   tagr0   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   rF   rI   rS   rK   rQ   ZCHAR_LETTER_rP   rM   rT   compilerN   r   rJ   r&   r)   r,   r+   r2   r-   rE   rH   ra   r$   r$   r$   r%   r      sD   

	a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   featurefilepathrg   )r!   Zfeaturefilerg   r$   r$   r%   r&      s    
zIncludingLexer.__init__c                 C   s   | S r'   r$   r(   r$   r$   r%   r)      s    zIncludingLexer.__iter__c                 C   s   |   S r'   r*   r(   r$   r$   r%   r,      s    zIncludingLexer.nextc              
   C   sL  | j rB| j d }zt|\}}}W n" tk
rF   | j   Y q Y nX |tjkr6|dkr6| \}}}|tjk	rtd|tj	
|r|}nB| jd k	r| j}	n"| jd k	rtj	| j}	nt }	tj	|	|}t| j dkrtd|z| j | | W n0 tk
r2 }
 zt|||
W 5 d }
~
X Y nX q |||fS q t d S )Nr<   zExpected file name   zToo many recursive includes)ri   r,   rG   popr   r   r   r   ospathisabsrg   rj   dirnamegetcwdjoinr   appendrh   FileNotFoundErrorr   )r!   lexerr.   r/   r0   Z
fname_typeZfname_tokenZfname_locationro   Zcurpatherrr$   r$   r%   r+      s6    







 zIncludingLexer.__next__c                 C   sX   t | dr| d }}n| d }}t|ddd}| }t|dd }|rN|  t||S )NreadFTrzutf-8)encodingname)hasattropenrx   getattrcloser   )Zfile_or_pathfileobjclosingr#   datar$   r$   r%   rh   
  s    

zIncludingLexer.make_lexer_c                 C   s   | j d |S )Nrk   )ri   ra   )r!   r_   r$   r$   r%   ra     s    z#IncludingLexer.scan_anonymous_block)rb   rc   rd   __doc__r&   r)   r,   r+   staticmethodrh   ra   r$   r$   r$   r%   rf      s   '
rf   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,   ri   r(   r$   r$   r%   r+     s    zNonIncludingLexer.__next__N)rb   rc   rd   r   r+   r$   r$   r$   r%   r     s   r   )ZfontTools.feaLib.errorr   r   ZfontTools.feaLib.locationr   rT   rn   r   ImportErrorZfontTools.miscobjectr   rf   r   r$   r$   r$   r%   <module>   s    4[