o
    %ez                    @   s  d dl mZ d dlmZmZmZmZ d dlmZ d dl	m
Z
mZmZ d dlmZ d dlmZ d dlmZ d dlmZ d d	lmZ d d
lmZmZ d dlmZmZ d dlmZm Z m!Z!m"Z"m#Z#m$Z$m%Z%m&Z&m'Z'm(Z(m)Z)m*Z*m+Z+m,Z,m-Z- d dl.m/Z/ d dl0m1Z1 d dl2m3Z3 d dl4m5Z5 d dl6m7Z7m8Z8 d dl9m:Z: d dl;Z;d dl<Z<d dl=m>Z> d dl?Z?d dl@Z@d dlAZAe?BeCZDdddZE	dddZFG dd deGZHdS )    )sstruct)Tagtostr
binary2numsafeEval)FeatureLibError)LookupDebugInfoLOOKUP_DEBUG_INFO_KEYLOOKUP_DEBUG_ENV_VAR)Parser)FeatureFile)VariableScalar)builder)
maxCtxFont)newTablegetTableModule)otBaseotTables)AlternateSubstBuilderChainContextPosBuilderChainContextSubstBuilderLigatureSubstBuilderMultipleSubstBuilderCursivePosBuilderMarkBasePosBuilderMarkLigPosBuilderMarkMarkPosBuilderReverseChainSingleSubstBuilderSingleSubstBuilderClassPairPosSubtableBuilderPairPosBuilderSinglePosBuilderChainContextualRule)OpenTypeLibError)OnlineVarStoreBuilder)buildVarDevTable)addFeatureVariationsRaw)normalizeValuepiecewiseLinearMap)defaultdictN)StringIOFc                 C   s   t | |}|j||d dS )a  Add features from a file to a font. Note that this replaces any features
    currently present.

    Args:
        font (feaLib.ttLib.TTFont): The font object.
        featurefile: Either a path or file object (in which case we
            parse it into an AST), or a pre-parsed AST instance.
        tables: If passed, restrict the set of affected tables to those in the
            list.
        debug: Whether to add source debugging information to the font in the
            ``Debg`` table

    tablesdebugN)Builderbuild)fontfeaturefiler,   r-   r    r2   K/var/www/html/venv/lib/python3.10/site-packages/fontTools/feaLib/builder.pyaddOpenTypeFeatures2   s   
r4   c                 C   s*   t t|}|r||_t| |||d dS )ae  Add features from a string to a font. Note that this replaces any
    features currently present.

    Args:
        font (feaLib.ttLib.TTFont): The font object.
        features: A string containing feature code.
        filename: The directory containing ``filename`` is used as the root of
            relative ``include()`` paths; if ``None`` is provided, the current
            directory is assumed.
        tables: If passed, restrict the set of affected tables to those in the
            list.
        debug: Whether to add source debugging information to the font in the
            ``Debg`` table

    r+   N)r*   r   namer4   )r0   featuresfilenamer,   r-   r1   r2   r2   r3   addOpenTypeFeaturesFromStringD   s   r8   c                   @   s  e Zd Zedd dD Zdd Zdd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d Zdd Zd d! Zd"d# Zd$d% Zd&d' Zd(d) Zd*d+ Zd,d- Zd.d/ Zd0d1 Zd2d3 Zd4d5 Zd6d7 Zd8d9 Zd:d; Zd<d= Z d>d? Z!d@dA Z"dBdC Z#dDdE Z$dFdG Z%dHdI Z&dJdK Z'dLdM Z(dNdO Z)dPdQ Z*dRdS Z+dTdU Z,dVdW Z-dXdY Z.dZd[ Z/d\d] Z0d^d_ Z1d`da Z2dbdc Z3ddde Z4dfdg Z5dhdi Z6djdk Z7dldm Z8dndo Z9	ddpdqZ:drds Z;dtdu Z<dvdw Z=dxdy Z>dzd{ Z?d|d} Z@d~d ZAdd ZBdd ZCdd ZDdd ZEdd ZFdd ZGdd ZHdd ZIdd ZJdd ZKdd ZLdd ZMdd ZNdd ZOdd ZPdd ZQdd ZRdd ZSdd ZTdd ZUdd ZVdd eWjXD ZYdd ZZdS )r.   c                 c   s    | ]}t |V  qd S N)r   .0tagr2   r2   r3   	<genexpr>^   s
    
zBuilder.<genexpr>)
BASEGDEFGPOSGSUBOS/2headhhear5   vheaSTATc                 C   sz  || _ t|tr|d | _| _nd || _| _| | _d | _d|v r4|d j| _t	dd | jD | _t
 | _d | _d| _d | _t
 | _d| _i | _d | _d | _d | _g | _i i d| _i | _i | _i | _g | _d | _i | _t
 | _i | _t
 | _i | _ i | _!t"t#| _$d | _%d | _&g | _'d | _(d | _)i | _*i | _+i | _,i | _-i | _.i | _/i | _0i | _1i | _2i | _3i | _4i | _5i | _6d S )Nfvarc                 S      g | ]}|j qS r2   )axisTag)r;   axr2   r2   r3   
<listcomp>{       z$Builder.__init__.<locals>.<listcomp>r   F)rA   r@   )7r0   
isinstancer   	parseTreefilegetReverseGlyphMapglyphMapvarstorebuilderaxesr$   setdefault_language_systems_script_lookupflag_lookupflag_markFilterSet_language_systemsseen_non_DFLT_script_named_lookups_cur_lookup_cur_lookup_name_cur_feature_name_lookups_lookup_locations	features_required_features_feature_variations_aalt_features_aalt_location_aalt_alternates_featureNames_featureNames_ids_cv_parameters_cv_parameters_ids_cv_num_named_params_r)   listcv_characters_size_parameters_fontRevision_names_base_horiz_axis_base_vert_axis_attachPoints_ligCaretCoords_ligCaretPoints_glyphClassDefs_markAttach_markAttachClassID_markFilterSets_os2_hhea_vhea_stat_conditionsets_model_cache)selfr0   r1   r2   r2   r3   __init__n   sj   



zBuilder.__init__NFc           
         s   j d u rt j j  _  j   |d u r j}nt|}| j }|r7dt	|}t
d| dd|v r?   d|v rG   d|v rO   d|v rW   d|v r_   d	|v rg   d
|v ro   dD ]=}||vrxqq |} jr || |jjdks|jjdks|jjdkrt| } j|< ||_qq| jv r j|= qqt fdddD rd	 jv rt j jd	 _ d|v r ! }|r| jd< n	d jv r jd= d|v r " }	|	r|	 jd< n	d jv r jd= |st#j$%t&r
 '  d S d S )Nz, z9The following tables were requested but are unsupported: .rA   rC   rD   rE   r5   rB   rF   r@   rA   r   c                 3   s    | ]}| j v V  qd S r9   )r0   r:   r   r2   r3   r=          z Builder.build.<locals>.<genexpr>r?   r>   )(rN   r   rO   rQ   parser/   supportedTables	frozensetjoinsortedNotImplementedErrorbuild_feature_aalt_
build_head
build_hhea
build_vhea
build_name
build_OS_2
build_STAT	makeTablerc   makeFeatureVariations
ScriptListScriptCountFeatureListFeatureCount
LookupListLookupCountr   r0   tableanyr   usMaxContext	buildGDEF	buildBASEosenvirongetr
   	buildDebg)
r   r,   r-   unsupportedunsupported_stringr<   r   	fontTablegdefbaser2   r   r3   r/      sv   



 

zBuilder.buildc                 C   s,   || j |}| j|_| j|_| j| |S r9   )r0   rW   
lookupflagrX   markFilterSetr_   append)r   locationbuilder_classresultr2   r2   r3   get_chained_lookup_   s
   zBuilder.get_chained_lookup_c                 C   s2   | j D ]\}}|||f}| j|g | qd S r9   )rY   ra   
setdefaultr   )r   lookupfeature_namescriptlangkeyr2   r2   r3   add_lookup_to_feature_   s   
zBuilder.add_lookup_to_feature_c                 C   s   | j rt| j |kr| j j| jkr| j j| jkr| j S | jr&| j r&td||| j|| _ | j| j _| j| j _| j	
| j  | jrH| j | j| j< | jrS| | j | j | j S )NzOWithin a named lookup block, all rules must be of the same lookup type and flag)r\   typer   rW   r   rX   r]   r   r0   r_   r   r[   r^   r   )r   r   r   r2   r2   r3   get_lookup_  s(   

zBuilder.get_lookup_c              
      s  | j s| jsd S dd | j D }| j dg D ]X\}fdd| j D }|s8dkr8td|f  q|D ]5\}}}}|D ],}t|tsL|g}|D ]}|  D ]\}	}
|	|	g   
 fdd	|
D  qVqNqBq:qd
d | D }dd | D }|s|sd S dd | j D | _| j}g | _| | jd |r| |t}||_|r| |t}||_|   | j
| d S )Nc                 S   s   i | ]	\}}|t |qS r2   )rl   )r;   gar2   r2   r3   
<dictcomp>$      z/Builder.build_feature_aalt_.<locals>.<dictcomp>)Naaltc                    s*   g | ]\\}}}}| kr||||fqS r2   r2   r;   r   r   featurelookups)r5   r2   r3   rK   &  
    
z/Builder.build_feature_aalt_.<locals>.<listcomp>r   z#%s: Feature %s has not been definedc                 3       | ]	}| vr|V  qd S r9   r2   r;   r   )alts_for_glyphr2   r3   r=   6  s    z.Builder.build_feature_aalt_.<locals>.<genexpr>c                 S   s&   i | ]\}}t |d kr||d qS )   r   lenr;   glyphreplr2   r2   r3   r   9  s     c                 S   s"   i | ]\}}t |d kr||qS )r   r   r   r2   r2   r3   r   <  s   " c                 S   s*   i | ]\\}}}}|d kr|||f|qS )r   r2   r   r2   r2   r3   r   ?  r   )rd   rf   itemsra   warningswarnrM   rl   getAlternateGlyphsr   extendr_   start_featurere   r   r   mappingr   
alternatesend_feature)r   r   r   r   r   r   r   
lookuplistr   r   altssinglemultiold_lookupssingle_lookupmulti_lookupr2   )r   r5   r3   r     sX   



zBuilder.build_feature_aalt_c                 C   sX   | j sd S | jd}|s&td }| jd< |d| j d|_d |_|_| j |_d S )NrC   s6                                                         g      ?l   e )	ro   r0   r   r   	decompiletableVersioncreatedmodifiedfontRevisionr   r   r2   r2   r3   r   P  s   zBuilder.build_headc                 C   s   | j sd S | jd}|s td }| jd< |d| j d|_d| j v r+| j d |_d| j v r6| j d |_d| j v rA| j d |_d| j v rN| j d |_	d S d S )NrD   $                                          caretoffsetascender	descenderlinegap)
r{   r0   r   r   r   r   caretOffsetascentdescentlineGapr   r2   r2   r3   r   [  s    



zBuilder.build_hheac                 C   s   | j sd S | jd}|s td }| jd< |d| j d|_d| j v r+| j d |_d| j v r6| j d |_d| j v rC| j d |_d S d S )NrE   r   i  verttypoascenderverttypodescenderverttypolinegap)	r|   r0   r   r   r   r   r   r   r   r   r2   r2   r3   r   l  s   


zBuilder.build_vheac                 C   s4   dd |j D }tddD ]
}||vr|  S qd S )Nc                 S   rH   r2   )nameID)r;   r5   r2   r2   r3   rK   }  rL   z,Builder.get_user_name_id.<locals>.<listcomp>   i  )namesrange)r   r   nameIDsuser_name_idr2   r2   r3   get_user_name_id{  s   zBuilder.get_user_name_idc                 C   s(  d }|dkr't  }| j\|_|_|_|_|| jv r"| j| |_|S d|_|S || j	v rH| js2	 |S || jv s9J t 
 }d|_| j| |_|S || jv rt  }d|_| j|dfd|_| j|dfd|_| j|dfd|_| j|d|_| j|dfd|_t| j| |_| j| |_|S )Nsizer   FeatUILabelNameIDFeatUITooltipTextNameIDSampleTextNameIDParamUILabelNameID_0)r   FeatureParamsSizern   
DesignSizeSubfamilyID
RangeStartRangeEndrh   SubfamilyNameIDrg   FeatureParamsStylisticSetVersionUINameIDri   FeatureParamsCharacterVariantsFormatrj   r   r   r   r   rk   NumNamedParametersFirstParamUILabelNameIDr   rm   	CharCount	Character)r   r<   paramsr2   r2   r3   buildFeatureParams  sT   


zBuilder.buildFeatureParamsc           	      C   s   | j sd S | jd}|std }| jd< g |_| j D ]\}|\}}}}}t|tso|}|| jv rM|| jvrG| 	|| j|< | j| d usGJ | j| }n"|d | j
v ro|| jvrj| 	|| j|< | j| d usjJ | j| }|||||| q|j  d S )Nr5   r   )rp   r0   r   r   r   rM   intrg   rh   r   ri   rj   setNamesort)	r   r   r5   r   
platformID	platEncIDlangIDstringr<   r2   r2   r3   r     s,   





zBuilder.build_namec                 C   s|  | j sd S | jd}|s'td }| jd< dttdj }||| j d}d| j v r4| j d |_	d| j v r[td
 }| j d \
|_|_|_|_|_|_|_|_|_|_||_d| j v rf| j d |_d| j v rq| j d |_d| j v r|| j d |_d	| j v r| j d	 |_d
| j v r| j d
 |_d| j v rtd| j d  d |_d| j v r| j d |_d| j v r| j d |_d| j v r|| j d  d| j v r|  | j d }|\|_!|_"d}d| j v r| j d |_#d}d| j v r| j d |_$d}d| j v r| j d |_%d}d| j v r| j d |_&d}dd }t'||j(|_(|dkr&||d |dkr0||d |dkr<||d d S d S )NrB       r   fstypepanosetypoascendertypodescendertypolinegap	winascent
windescentvendorz'''weightclass
widthclassunicoderangecodepageranger   xheight   	capheightloweropsize   upperopsizec                 S   s$   |D ]}t | |st| |d qd S Nr   )hasattrsetattr)r   attrsattrr2   r2   r3   	checkattr  s
   
z%Builder.build_OS_2.<locals>.checkattr)ulCodePageRange1ulCodePageRange2)sxHeight
sCapHeightusDefaultCharusBreakCharr   )usLowerOpticalPointSizeusUpperOpticalPointSize))rz   r0   r   r   r   calcsizer   OS2_format_0r   fsTypePanosebFamilyTypebSerifStylebWeightbProportion	bContrastbStrokeVariation	bArmStylebLetterFormbMidlinebXHeightr  sTypoAscendersTypoDescendersTypoLineGapusWinAscentusWinDescentr   	achVendIDusWeightClassusWidthClasssetUnicodeRangesbuild_codepages_r+  r,  r-  r.  r1  r2  maxversion)r   r   datarL  r  pagesr*  r2   r2   r3   r     s   


















zBuilder.build_OS_2c                 C   s\   dD ]}|| j v rt| d|qt|tr|| j d< d S t|tr*|| j d< d S t|)N)ElidedFallbackNameElidedFallbackNameIDz is already set.rP  rO  )r}   r   rM   r  rl   AssertionError)r   valuer   tokenr2   r2   r3   setElidedFallbackName  s   


zBuilder.setElidedFallbackNamec                 C   s   d| j vr
g | j d< |jdd | j d D v r!td|j d||jdd | j d D v r8td|j d|| j d | d S )	N
DesignAxesc                 s       | ]}|j V  qd S r9   )r<   r;   rr2   r2   r3   r=   .      z(Builder.addDesignAxis.<locals>.<genexpr>z$DesignAxis already defined for tag "z".c                 s   rV  r9   )	axisOrderrW  r2   r2   r3   r=   3  rY  z+DesignAxis already defined for axis number r   )r}   r<   r   rZ  r   )r   
designAxisr   r2   r2   r3   addDesignAxis+  s   

zBuilder.addDesignAxisc                 C   s   d| j vr
g | j d< | j d D ]-}dd |jD dd |jD kr<dd |jD dd |jD kr<|j|jkr<td|q| j d | d S )NAxisValueRecordsc                 S      h | ]}|  qS r2   asFear;   nr2   r2   r3   	<setcomp>@      z-Builder.addAxisValueRecord.<locals>.<setcomp>c                 S   r^  r2   r_  ra  r2   r2   r3   rc  A  rd  c                 S   r^  r2   r_  ra  r2   r2   r3   rc  B  rd  c                 S   r^  r2   r_  ra  r2   r2   r3   rc  C  rd  z8An AxisValueRecord with these values is already defined.)r}   r   	locationsflagsr   r   )r   axisValueRecordr   record_r2   r2   r3   addAxisValueRecord:  s    

zBuilder.addAxisValueRecordc                    s  | j sd S | j d}|stdd | j d}i  g }|D ]}g  |j< q|d ur|D ]u}i }|jdkr:|j|d< t|jdkr|jd }|j}t|dkrZ||d |j	d t|dkrn||d |d |j	d	 t|d
kr|\}	}
}||	|
||j	d  |j 
| q,|dd |jD |j	d |
| q, fdd|D }| jd}|std }| jd< g |_	d| j v r| j d }||}|std| dd n
d| j v r| j d }tj| j|||d d S )NrU  zDesignAxes not definedr]  r   rf  r   )rR  r5   r   )rR  linkedValuer5      )nominalValuerangeMinValuerangeMaxValuer5   c                 S   s   i | ]	}|j |jd  qS )r   )r<   valuesr;   ir2   r2   r3   r   x  r   z&Builder.build_STAT.<locals>.<dictcomp>)r   r5   c                    s&   g | ]}|j |j|j |j d qS ))orderingr<   r5   ro  )rZ  r<   r   )r;   r   
axisValuesr2   r3   rK   ~  s    z&Builder.build_STAT.<locals>.<listcomp>r5   rP  zElidedFallbackNameID z; points to a nameID that does not exist in the "name" tablerO  )re  elidedFallbackName)r}   r   r   r<   rf  r   re  ro  updater   r   r0   r   getDebugNameotlbuildStatTable)r   rS   axisValueRecordsformat4_locationsr<   avr
valuesDictr   ro  nominalminValmaxVal
designAxes	nameTabler   r5   r2   rs  r3   r   L  s   













zBuilder.build_STATc                    s  i 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ddddddd d!d"d#d$d%d&d'd(d)d*d+d,d-d.d/d0d1  fd2d3|D }g }t dD ]*}|d4 t |d5 |d d5 D ]}||v rv||  d67  < qg||  d77  < qgqUd8d3 |D S )9Ni  r   i  r   i  r   i  rk  i     i  r#  i     i     i     ij     i     i     i     i     iQ     ie  0   ib  1   2   3   4   5   6   7   8   9   :   ;   <   =   >   ?   )ia  i`  i_  i^  i]  i\  iY  iW  iT  i  i  i  iR  i  c                    s   g | ]
}| v r | qS r2   r2   r;   p
pages2bitsr2   r3   rK         z,Builder.build_codepages_.<locals>.<listcomp>     10c                 S   s   g | ]}t |d d d qS )N)r   r  r2   r2   r3   rK     s    )r   r   )r   rN  bitsrq  jr2   r  r3   rJ    sx   	
!
zBuilder.build_codepages_c                 C   sL   | j s| jsd S t }d|_| | j |_| | j|_td}||_	|S )Nr   r>   )
rq   rr   r   r>   r  buildBASEAxis	HorizAxisVertAxisr   r   )r   r   r   r2   r2   r3   r     s   zBuilder.buildBASEc                 C   s  |sd S |\}}t  }t  |_||j_t||j_t  |_g |j_t||j_t	|D ]R}t  }|d |_
t  |_d|j_t  |j_||d |jj_g |jj_t|d |jj_|d D ]}t  }d|_||_|jjj| qd|jj| q.|S )Nr   r   r   )r   AxisBaseTagListBaselineTagr   BaseTagCountBaseScriptListBaseScriptRecordBaseScriptCountr   BaseScriptTag
BaseScriptBaseLangSysCount
BaseValuesindexDefaultIndex	BaseCoordBaseCoordCountr  
Coordinater   )r   axisbasesscriptsr   recordccoordr2   r2   r3   r    s4   




zBuilder.buildBASEAxisc                 C   s   t  }|  |_t| j| j|_t	| j
| j| j|_|  |_|  |_|jr,dnd|_| jr[| j }|rVd|_||_| }|| d| jv rV| jd j| | j  t|j|j|j|j|jfsnt|drwtd}||_|S d S )Ni  r   i  r@   VarStorer?   )r   r?   buildGDEFGlyphClassDef_GlyphClassDefrx  buildAttachListrs   rQ   
AttachListbuildLigCaretListrt   ru   LigCaretListbuildGDEFMarkAttachClassDef_MarkAttachClassDefbuildGDEFMarkGlyphSetsDef_MarkGlyphSetsDefr  rR   finishr  optimizeremap_device_varidxesr0   r   r   clearr   r&  r   )r   r   store
varidx_mapr   r2   r2   r3   r     sB   






	zBuilder.buildGDEFc                 C   s   | j rdd | j  D }n)i }| jD ]	}||  q| jj D ]}|jD ]}|	 D ]}d||< q.q(q#|rBt
 }||_|S d S )Nc                 S      i | ]	\}\}}||qS r2   r2   r;   r   r  _r2   r2   r3   r     r   z3Builder.buildGDEFGlyphClassDef_.<locals>.<dictcomp>rk  )rv   r   r_   rv  inferGlyphClassesrN   markClassesro  definitionsglyphSetr   r  	classDefs)r   classesr   	markClassmarkClassDefr   r   r2   r2   r3   r    s    


zBuilder.buildGDEFGlyphClassDef_c                 C   s.   dd | j  D }|sd S t }||_|S )Nc                 S   r  r2   r2   r  r2   r2   r3   r   -  r   z8Builder.buildGDEFMarkAttachClassDef_.<locals>.<dictcomp>)rw   r   r   r  r  )r   r  r   r2   r2   r3   r  ,  s   z$Builder.buildGDEFMarkAttachClassDef_c                 C   s<   g }t | j dd dD ]	\}}|| qt|| jS )Nc                 S   s   | d S )Nr   r2   )itemr2   r2   r3   <lambda>7  s    z4Builder.buildGDEFMarkGlyphSetsDef_.<locals>.<lambda>r   )r   ry   r   r   rx  buildMarkGlyphSetsDefrQ   )r   setsglyphsid_r2   r2   r3   r  4  s   z"Builder.buildGDEFMarkGlyphSetsDef_c                 C   s:   d| j vrtd| j d< i | j d _| j| j d jt< d S )NDebg)r0   r   rM  r`   r	   r   r2   r2   r3   r   <  s   
zBuilder.buildDebgc                 C   s  |dv sJ || j D ]}d |_qg }| j D ]'}|j|krqt||_tt|j| |d d| j| t|j< |	| qg }|D ]>}z	|	|
  W qB tyb } z	tt||j|d }~w ty } z| j| t|j j}tt|||d }~ww |S )Nr   )r   r5   r   )r_   lookup_indexr   r   r   strr   get_lookup_name_r`   r   r/   r#   r   	Exception)r   r<   r   r   	otLookupsler   r2   r2   r3   buildLookups_B  s6   



zBuilder.buildLookups_c              
      s  t t|d  }d|_t |_g |j_t |_g |j_t |_| ||j_	i }i }i }dd }t
| j |dD ]\}}|\}	}
}tdd |D }|dkoT|dk}| ||}t|d	krf|sf|sfq;|D ]&}z| j| t| j|d
| j| t|< W qh ty   td Y qhw ||f}||}|d u rt|jj}t }||_t |_| ||j_t||j_t||j_|jj| |||< ||	i |
g | | j |	|
f|kr|||	|
f< q;t
| D ]~\}	}t }|	|_!t" |_"d |j"_#g |j"_$t
| D ]P\}
}t$ }t% |_%d |j%_&||	|
f  d u r0d|j%_'n |j%_' fdd|D |j%_(t|j%j(|j%_)|
dkrS|j%|j"_#q|
|_*|j"j$| qt|j"j$|j"_+|jj| qt|jj|j_,t|jj|j_)t|jj	|j_|S )Nr   c                 S   s(   | d d | d d | d d | d fS )Nr   r   r   r2   )fr2   r2   r3   r  m  s   ( z#Builder.makeTable.<locals>.<lambda>r  c                 S   s   g | ]
}|j d ur|j qS r9   )r  r;   r  r2   r2   r3   rK   t  r  z%Builder.makeTable.<locals>.<listcomp>r@   r   r   )r   zWfeaLib.Builder subclass needs upgrading to stash debug information. See fonttools#2065.i  c                    s   g | ]}| kr|qS r2   r2   rp  req_feature_indexr2   r3   rK     s    dflt)-getattrr   r  r   ScriptRecordr   FeatureRecordr   r  Lookupr   ra   r   tupleany_feature_variationsr   r`   r  _replaceKeyErrorr   r   r   
FeatureTagFeaturer
  FeatureParamsrl   LookupListIndexr   r   r   rb   	ScriptTagScriptDefaultLangSysLangSysRecordLangSysLookupOrderReqFeatureIndexFeatureIndexr   
LangSysTagLangSysCountr   )r   r<   r   feature_indicesrequired_feature_indicesr  sortFeatureTagr   r   r   r   feature_taglookup_indicessize_featureforce_featureixfeature_keyfeature_indexfreclang_featuressreclangrecr2   r  r3   r   \  s   












zBuilder.makeTablec                 C   s   i }d}| j  D ]>\\}}}}g ||< | D ].\}}	| j| }
g }|	D ]}|j|kr-q%|jd us4J ||j d}q%|| |
|f qq	|r[| D ]\}}t| j||| qNd S d S )NFT)rc   r   r~   r   r  r   r&   r0   )r   r   	table_tagfeature_varshas_any_variationsr  r  
variationsconditionsetbuildersraw_conditionsetindicesbconditions_and_lookupsr2   r2   r3   r     s,   


zBuilder.makeFeatureVariationsc                    sX   | j  D ]$\\}}}}||krq| D ]\}}t fdd|D r(  dS qqdS )Nc                 3   s    | ]}|j  kV  qd S r9   )r   )r;   r  r  r2   r3   r=     r   z1Builder.any_feature_variations.<locals>.<genexpr>TF)rc   r   r   )r   r  r  r  r   r  r  r  r2   r!  r3   r    s   zBuilder.any_feature_variationsc                 C   s(   dd | j  D }||v r|| S d S )Nc                 S   s   i | ]\}}||qS r2   r2   )r;   kvr2   r2   r3   r     s    z,Builder.get_lookup_name_.<locals>.<dictcomp>)r[   r   )r   r   revr2   r2   r3   r    s   zBuilder.get_lookup_name_c                 C   s|   |dkr|dkr| j rtd||dkr| jrtd|nd| _||f| j v r4td| | f || j ||f d S )NDFLTr  z_If "languagesystem DFLT dflt" is present, it must be the first of the languagesystem statementszRlanguagesystems using the "DFLT" script tag must precede all other languagesystemsTz1"languagesystem %s %s" has already been specified)rU   r   rZ   stripadd)r   r   r   languager2   r2   r3   add_language_system  s*   zBuilder.add_language_systemc                 C   s   | j rt| j S tdhS )N)r%  r  )rU   r   r   r2   r2   r3   get_default_language_systems_  s   

z%Builder.get_default_language_systems_c                 C   s>   |   | _d| _d | _|| _d| _d | _|dkr|| _d S d S )Nr%  r   r   )r*  rY   rV   r\   r^   rW   rX   re   r   r   r5   r2   r2   r3   r     s   

zBuilder.start_featurec                 C   s0   | j d usJ d | _ d | _d | _d| _d | _d S r%  )r^   rY   r\   rW   rX   r   r2   r2   r3   r     s   
zBuilder.end_featurec                 C   s`   || j v rtd| || jdkrtd||| _d | j |< d | _| jd u r.d| _d | _d S d S )Nz$Lookup "%s" has already been definedr   zpLookup blocks cannot be placed inside 'aalt' features; move it out, and then refer to it with a lookup statementr   )r[   r   r^   r]   r\   rW   rX   r+  r2   r2   r3   start_lookup_block  s    




zBuilder.start_lookup_blockc                 C   s8   | j d usJ d | _ d | _| jd u rd| _d | _d S d S r%  )r]   r\   r^   rW   rX   r   r2   r2   r3   end_lookup_block)  s   

zBuilder.end_lookup_blockc                 C   s@   || j v s	J |d | _| j | }|d ur| || j d S d S r9   )r[   r\   r   r^   )r   lookup_namer   r2   r2   r3   add_lookup_call1  s   
zBuilder.add_lookup_callc                 C   s
   || _ d S r9   )ro   )r   r   revisionr2   r2   r3   set_font_revision8  s   
zBuilder.set_font_revisionc                 C   s   t |dksJ | jdv rtd| j || jd u rtd|d | _| j|| jf}| j|d d|d f}|dks<|rH|rH|d d  | j|< ng | j|< t| j|fg| _|r~| j|f}|| j	v rvtd|
 | j
 | j	| 
 f || j| j	|< d S d S )	Nr  r   r   z7Language statements are not allowed within "feature %s"zCLanguage statements are not allowed within standalone lookup blocksr   r  r   zPLanguage %s (script %s) has already specified feature %s as its required feature)r   r^   r   r\   rV   ra   r   r   rY   rb   r&  )r   r   r(  include_defaultrequiredr   r   r2   r2   r3   set_language;  sD   





zBuilder.set_languagec                 C   s~   t |}| j|}|d ur|S t| jd }|| j|< |D ]}|| jv r5| j| \}}td||f |||f| j|< q|S )Nr   z=Glyph %s already has been assigned a MarkAttachmentType at %s)r   rx   r   r   rw   r   )r   r   r  r  r   r  locr2   r2   r3   getMarkAttachClass_b  s"   

zBuilder.getMarkAttachClass_c                 C   s8   t |}| j|}|d ur|S t| j}|| j|< |S r9   )r   ry   r   r   )r   r   r  r  r2   r2   r3   getMarkFilterSet_t  s   

zBuilder.getMarkFilterSet_c                 C   sT   |d@ }|r|  ||}||d> B }|r"| ||}|dB }|| _nd | _|| _d S )N   r  r  )r7  r8  rX   rW   )r   r   rR  
markAttach
markFiltermarkAttachClassr   r2   r2   r3   set_lookup_flag}  s   
zBuilder.set_lookup_flagc                 C   sp   | j dv rtd| j  || j d u rtd|| j|dfhkr!d S d | _|| _d| _d | _| j|dddd d S )	Nr2  z5Script statements are not allowed within "feature %s"zAScript statements are not allowed within standalone lookup blocksr  r   TF)r3  r4  )r^   r   rY   r\   rV   rW   rX   r5  )r   r   r   r2   r2   r3   
set_script  s&   

zBuilder.set_scriptc                    s>   g }|D ]}|dur|  fdd|D  q| d q|S )zHelper for building chain contextual substitutions

        Given a list of lookup names, finds the LookupBuilder for each name.
        If an input name is None, it gets mapped to a None LookupBuilder.
        Nc                    s   g | ]	} j |jqS r2   )r[   r   r5   r  r   r2   r3   rK     r   z1Builder.find_lookup_builders_.<locals>.<listcomp>)r   )r   r   lookup_buildersr   r2   r   r3   find_lookup_builders_  s   zBuilder.find_lookup_builders_c                 C   s$   |D ]}| j |t | qd S r9   )rs   r   rT   rv  )r   r   r  contourPointsr   r2   r2   r3   add_attach_points  s   zBuilder.add_attach_pointsc                 C   s(   | j dkr
td|| j||f d S )Nr   z9Feature references are only allowed inside "feature aalt")r^   r   rd   r   )r   r   featureNamer2   r2   r3   add_feature_reference  s
   
zBuilder.add_feature_referencec                 C      | j | d S r9   )rg   r'  r   r<   r2   r2   r3   add_featureName     zBuilder.add_featureNamec                 C   rE  r9   )ri   r'  rF  r2   r2   r3   add_cv_parameter  rH  zBuilder.add_cv_parameterc                 C   s.   || j v r| j |  d7  < dS d| j |< dS )zbAdds new items to ``self.cv_num_named_params_``
        or increments the count of existing items.r   N)rk   rF  r2   r2   r3   add_to_cv_num_named_params  s   
z"Builder.add_to_cv_num_named_paramsc                 C   s   | j | | d S r9   )rm   r   )r   	characterr<   r2   r2   r3   add_cv_character  s   zBuilder.add_cv_characterc                 C   s    |r	||f| _ d S ||f| _d S r9   )rr   rq   )r   r  r  verticalr2   r2   r3   set_base_axis  s   zBuilder.set_base_axisc           	      C   sV   | j dkrtd| j  |||||g| _| jD ]\}}||| j f}| j|g  qd S )Nr   z9Parameters statements are not allowed within "feature %s")r^   r   rn   rY   ra   r   )	r   r   r   r   r   r   r   r   r   r2   r2   r3   set_size_parameters  s   
zBuilder.set_size_parametersc           
      C   s   | j dkr | D ]\}}| j|g }||vr|| q	d S |s&|s&|r0| |||| d S | |t}	| D ]*\}}||	jv r_||	j| krSt	
d||| ntd||	j| f |||	j|< q:d S )Nr   zDRemoving duplicate single substitution from glyph "%s" to "%s" at %sz5Already defined rule for replacing glyph "%s" by "%s")r^   r   rf   r   r   add_single_subst_chained_r   r   r   loginfor   )
r   r   prefixsuffixr   
forceChain
from_glyphto_glyphr   r   r2   r2   r3   add_single_subst  s8   


zBuilder.add_single_substc           
      C   s   |s|s|r'|  |t}| |t}||j|< |jt||hg||g d S |  |t}	||	jv rP||	j| krIt	d|||rEd| nd nt
d| |||	j|< d S )Nz@Removing duplicate multiple substitution from glyph "%s" to %s%sz at r  z+Already defined substitution for glyph "%s")r   r   r   r   r   rulesr   r"   rQ  rR  r   )
r   r   rS  r   rT  replacementsrU  chainsubr   r2   r2   r3   add_multiple_subst   s&   

zBuilder.add_multiple_substc                    s   | j dkr| j|g    fdd|D  d S |s|r9| |t}| |t}|j	t
||hg||g n| |t}||jv rKtd| |||j|< d S )Nr   c                 3   r   r9   r2   r   r   r2   r3   r=     s    z.Builder.add_alternate_subst.<locals>.<genexpr>z)Already defined alternates for glyph "%s")r^   rf   r   r   r   r   r   r   rY  r   r"   r   r   )r   r   rS  r   rT  replacementr[  r   r2   r^  r3   add_alternate_subst  s   

zBuilder.add_alternate_substc           
      C   sz   |s|s|r|  |t}| |t}|jt||||g n|  |t}t|s.td|t	j
| D ]}	||j|	< q3d S Nz!Empty glyph class in substitution)r   r   r   r   rY  r   r"   allr   	itertoolsproduct	ligatures)
r   r   rS  r  rT  r_  rU  r[  r   r   r2   r2   r3   add_ligature_subst-  s   
zBuilder.add_ligature_substc              	   C   N   t |rt |rt |std|| |t}|jt|||| | d S Nz,Empty glyph class in contextual substitution)rb  r   r   r   rY  r   r"   r@  r   r   rS  r  rT  r   r   r2   r2   r3   add_chain_context_substC     zBuilder.add_chain_context_substc                 C   sz   |r
t |r
t |std|| |t}||}|d u r$| |t}|j| |j	
t|t| g||g d S rh  )rb  r   r   r   find_chainable_single_substr   r   r   rv  rY  r   r"   rl   keys)r   r   rS  rT  r   r[  r\  r2   r2   r3   rP  O  s   
z!Builder.add_single_subst_chained_c                 C   s0   |st d|| |t}|j|||f d S ra  )r   r   r   rY  r   )r   r   
old_prefix
old_suffixr   r   r2   r2   r3   add_reverse_chain_single_subst`  s   
z&Builder.add_reverse_chain_single_substc                 C   s   |s|s|r|  |||| d S | |t}|D ]6\}}|s#td|| j||dd}	|D ] }
z	|||
|	 W q- tyM } z	tt||j|d }~ww qd S )N%Empty glyph class in positioning ruleFpairPosContext)	add_single_pos_chained_r   r!   r   makeOpenTypeValueRecordadd_posr#   r  r   )r   r   rS  rT  posrU  r   r  rR  otValueRecordr   r  r2   r2   r3   add_single_posi  s(   zBuilder.add_single_posc           	      C   T   |r|s	t d|| |t}| j||dd}| j||dd}|||||| d S Nrq  Trr  )r   r   r    ru  addClassPair)	r   r   glyphclass1value1glyphclass2value2r   v1v2r2   r2   r3   add_class_pair_pos}     
zBuilder.add_class_pair_posc           	      C   rz  r{  )r   r   r    ru  addGlyphPair)	r   r   glyph1r~  glyph2r  r   r  r  r2   r2   r3   add_specific_pair_pos  r  zBuilder.add_specific_pair_posc              	   C   s>   |st d|| |t}|||| ||| || d S Nrq  )r   r   r   add_attachmentmakeOpenTypeAnchor)r   r   
glyphclassentryAnchor
exitAnchorr   r2   r2   r3   add_cursive_pos  s   


zBuilder.add_cursive_posc           	      C   d   |  |t}| ||| |std||D ]\}}| ||}|D ]}||j|i |j< q"qd S r  )r   r   
add_marks_r   r  r  r   r5   )	r   r   r  marksr   
baseAnchorr  otBaseAnchorr   r2   r2   r3   add_mark_base_pos  s   
zBuilder.add_mark_base_posc                 C   s|   |  |t}g }|std||D ] }i }| ||| |D ]\}}	| ||||	j< q|| q|D ]}
||j|
< q4d S r  )r   r   r   r  r  r5   r   re  )r   r   re  
componentsr   componentAnchorsr  anchors	ligAnchorr  r   r2   r2   r3   add_mark_lig_pos  s   
zBuilder.add_mark_lig_posc           	      C   r  r  )r   r   r  r   r  	baseMarksr   r5   )	r   r   r  r  r   r  r  r  baseMarkr2   r2   r3   add_mark_mark_pos  s   
zBuilder.add_mark_mark_posc              	   C   rg  )N0Empty glyph class in contextual positioning rule)rb  r   r   r   rY  r   r"   r@  ri  r2   r2   r3   add_chain_context_pos  rk  zBuilder.add_chain_context_posc                 C   s  |r
t |r
t |std|| |t}g }|jD ]\}}}}|| qg }	|D ]=\}
}|d u r8|	d  q*| j||dd}|||
|}|d u rV| 	|t
}|| |
D ]	}|||| qX|	| q*t|t|	ksvJ ||	f|jt|dd |D ||	 d S )Nr  Frr  c                 S   s   g | ]\}}|qS r2   r2   )r;   r   r#  r2   r2   r3   rK     rd  z3Builder.add_single_pos_chained_.<locals>.<listcomp>)rb  r   r   r   rY  r   r   ru  find_chainable_single_posr   r!   rv  r   r"   )r   r   rS  rT  rw  r[  targetsr  r   subsr  rR  otValuer\  r   r2   r2   r3   rt    s6   

zBuilder.add_single_pos_chained_c           
   	   C   s   |D ]A\}}|j D ]9}|j D ]1}||jvr*| |t|j}|j|f|j|< q|j| d }	|j|	krAt	d||	|jf |qq	qdS )z)Helper for add_mark_{base,liga,mark}_pos.r   z&Glyph %s cannot be in both @%s and @%sN)
r  r  r  r  r  copydeepcopyanchorr5   r   )
r   r   lookupBuilderr  r  r  r  markotMarkAnchorexistingMarkClassr2   r2   r3   r    s(   



zBuilder.add_marks_c                 C   rE  r9   )r\   add_subtable_break)r   r   r2   r2   r3   r    rH  zBuilder.add_subtable_breakc                 C   sB   | j |d\}}|r||krtd||f |||f| j |< d S )NNNz0Glyph %s was assigned to a different class at %s)rv   r   r   )r   r   r   
glyphClassoldClassoldLocationr2   r2   r3   setGlyphClass_  s   zBuilder.setGlyphClass_c                 C   sd   |D ]	}|  ||d q|D ]	}|  ||d q|D ]	}|  ||d q|D ]	}|  ||d q&d S )Nr   r   rk  r  )r  )r   r   
baseGlyphsligatureGlyphs
markGlyphscomponentGlyphsr   r2   r2   r3   add_glyphClassDef  s   zBuilder.add_glyphClassDefc                 C   s"   |D ]}|| j vr|| j |< qd S r9   )ru   r   r   r  caretsr   r2   r2   r3   add_ligatureCaretByIndex_  s
   

z!Builder.add_ligatureCaretByIndex_c                 C   s2   t |ts|S | ||\}}|d ur||fS |S r9   )rM   r   makeVariablePos)r   r   caretdefaultdevicer2   r2   r3   makeLigCaret  s   
zBuilder.makeLigCaretc                    s6    fdd|D }|D ]}|j vr|j |< qd S )Nc                    s   g | ]}  |qS r2   )r  )r;   r  r   r   r2   r3   rK   %  s    z3Builder.add_ligatureCaretByPos_.<locals>.<listcomp>)rt   r  r2   r  r3   add_ligatureCaretByPos_$  s   

zBuilder.add_ligatureCaretByPos_c                 C   s   | j |||||g d S r9   )rp   r   )r   r   r   r  r  r  r  r2   r2   r3   add_name_record*  s   zBuilder.add_name_recordc                 C      || j |< d S r9   )rz   r   r   rR  r2   r2   r3   add_os2_field-     zBuilder.add_os2_fieldc                 C   r  r9   )r{   r  r2   r2   r3   add_hhea_field0  r  zBuilder.add_hhea_fieldc                 C   r  r9   )r|   r  r2   r2   r3   add_vhea_field3  r  zBuilder.add_vhea_fieldc                    st   d| j vr
td|dd | jD   fdd| D }d| j v r3| j d jfdd| D }|| j|< d S )NrG   z?Cannot add feature variations to a font without an 'fvar' tablec                 S   s    i | ]}|j |j|j|jfqS r2   )rI   minValuedefaultValuemaxValue)r;   r  r2   r2   r3   r   >  s    z,Builder.add_conditionset.<locals>.<dictcomp>c                    s2   i | ]\}\}}|t | | t | | fqS r2   )r'   )r;   r<   bottomtop)axisMapr2   r3   r   C  s    
avarc                    s*   i | ]\ } t  fd d|D qS )c                 3   s*    | ]} v rt |  n|V  qd S r9   )r(   )r;   r#  )r  r   r2   r3   r=   Q  s
    
z6Builder.add_conditionset.<locals>.<dictcomp>.<genexpr>)r  )r;   condition_range)r   )r  r3   r   P  s    )r0   r   rS   r   segmentsr~   )r   r   r   rR  r2   )r  r   r3   add_conditionset6  s"   



zBuilder.add_conditionsetc                 C   sj   | j std|| j|_|js|jd fS || j | j| jd\}}d }|d ur1|dkr1t	|}||fS )Nz5Can't define a variable scalar in a non-variable fontr  l    )
rR   r   rS   	does_varyr  add_to_variation_storer   r0   r   r%   )r   r   	varscalarr  r  r  r2   r2   r3   r  Z  s   
zBuilder.makeVariablePosc                 C   s   |du rdS d}d\}}|j durtt|j }|jdur&tt|j}dD ]8}t||}t|ts5q(t||d durCtd|| 	||\}}	t
||| |	dur`|dkr\|	}n|	}d}q(t|j|j|j||}
|rrd	|
_|
S )
zast.Anchor --> otTables.AnchorNFr  )xyDeviceTable4Can't define a device coordinate and variable scalarr  Trk  )xDeviceTablerx  buildDevicedictyDeviceTabler  rM   r   r   r  r'  buildAnchorr  r  contourpointr  )r   r   r  variabledeviceXdeviceYdimr  r  r  	otlanchorr2   r2   r3   r  n  s<   



zBuilder.makeOpenTypeAnchorc                 C   s<   i | ]\}}}}| d s|d  |dd  ||fqS )Reservedr   r   N)
startswithlower)r;   r  r5   isDevicer2   r2   r3   r     s    
zBuilder.<dictcomp>c                 C   s   |sdS i }| j  D ]U\}\}}t||d}|sq|r&tt|||< qt|tr\|dd d }	|	d  |	dd  }
t||
rIt	d|| 
||\||< }|dur[|||	< q|||< q|rp|sp|jrlddinddi}t|}|S )	z&ast.ValueRecord --> otBase.ValueRecordNr   r  Devicer   r  YAdvanceXAdvance)_VALUEREC_ATTRSr   r  rx  r  r  rM   r   r  r   r  rM  
buildValue)r   r   r#  rs  vrastNameotNamer  valotDeviceNamefeaDeviceNamer  valRecr2   r2   r3   ru    s2   



zBuilder.makeOpenTypeValueRecordNF)F)[__name__
__module____qualname__r   r   r   r/   r   r   r   r   r   r   r   r   r
  r   r   rT  r\  ri  r   rJ  r   r  r   r  r  r  r   r  r   r   r  r  r)  r*  r   r   r,  r-  r/  r1  r5  r7  r8  r=  r>  r@  rB  rD  rG  rI  rJ  rL  rN  rO  rX  r]  r`  rf  rj  rP  rp  ry  r  r  r  r  r  r  r  rt  r  r  r  r  r  r  r  r  r  r  r  r  r  r  r   valueRecordFormatr  ru  r2   r2   r2   r3   r.   ]   s    
J>3+TU-$_	
'	
		
$"r.   r  )NNF)IfontTools.miscr   fontTools.misc.textToolsr   r   r   r   fontTools.feaLib.errorr    fontTools.feaLib.lookupDebugInfor   r	   r
   fontTools.feaLib.parserr   fontTools.feaLib.astr   fontTools.feaLib.variableScalarr   fontTools.otlLibr   rx  fontTools.otlLib.maxContextCalcr   fontTools.ttLibr   r   fontTools.ttLib.tablesr   r   fontTools.otlLib.builderr   r   r   r   r   r   r   r   r   r   r   r   r    r!   r"   fontTools.otlLib.errorr#   fontTools.varLib.varStorer$   fontTools.varLib.builderr%   fontTools.varLib.featureVarsr&   fontTools.varLib.modelsr'   r(   collectionsr)   r  rc  ior*   loggingr   r   	getLoggerr  rQ  r4   r8   objectr.   r2   r2   r2   r3   <module>   s:    D


