o /h,@sbdZdgZddlZddlZddlmZddlmZmZm Z m Z ddl m Z Gdddej jZdS) z[CSSVariablesDeclaration http://disruptive-innovations.com/zoo/cssvariables/#mozTocId496530 CSSVariablesDeclarationN) normalize)PreDefProd ProdParserSequence) PropertyValuecseZdZdZd,fdd ZddZd d Zd d Zd dZddZ ddZ ddZ ddZ ddZ ddZee eddZddZedd ed!dZd"d#Zd$d%Zd&d'Zd(d)Zed*d d+dZZS)-rzbThe CSSVariablesDeclaration interface represents a single block of variable declarations. NFcs*t||_i|_|r||_||_dS)aP :param cssText: Shortcut, sets CSSVariablesDeclaration.cssText :param parentRule: The CSS rule that contains this declaration block or None if this CSSVariablesDeclaration is not attached to a CSSRule. :param readonly: defaults to False Format:: variableset : vardeclaration [ ';' S* vardeclaration ]* S* ; vardeclaration : varname ':' S* term ; varname : IDENT S* ; N)super__init__ _parentRule_varscssText _readonly)selfr parentRulereadonly __class__X/var/www/html/myenv/lib/python3.10/site-packages/cssutils/css/cssvariablesdeclaration.pyr s  z CSSVariablesDeclaration.__init__cCsd|jjd|jdS)Nz cssutils.css.z (cssText=))r__name__rrrrr__repr__5sz CSSVariablesDeclaration.__repr__cCs$d|jjd|jdt|ddS)Nz)rrlengthidrrrr__str__8s$zCSSVariablesDeclaration.__str__cCst|t|vS)zqCheck if a variable is in variable declaration block. :param variableName: a string )rlistkeysr variableNamerrr __contains__;sz$CSSVariablesDeclaration.__contains__cC ||S)zWRetrieve the value of variable ``variableName`` from this declaration. )getVariableValuer#rrr __getitem__Cs z#CSSVariablesDeclaration.__getitem__cCs|||dSN) setVariable)rr$valuerrr __setitem__Isz#CSSVariablesDeclaration.__setitem__cCr&r))removeVariabler#rrr __delitem__L z#CSSVariablesDeclaration.__delitem__ccst|EdHdS)z#Iterator of names of set variables.N)r!r"rrrr__iter__Osz CSSVariablesDeclaration.__iter__cCst|jS)z]Analoguous to standard dict returns variable names which are set in this declaration.)r!rr"rrrrr"SszCSSVariablesDeclaration.keyscCs tj|S)z#Return serialized property cssText.)cssutilsserdo_css_CSSVariablesDeclarationrrrr _getCssTextXs z#CSSVariablesDeclaration._getCssTextc stttjdddddtdddfddd }t|ttjdd tjd d dddtjdd |d dd tjdd tjd d ddd}tj|d|dd\}}}}|rÈ }i} d} |D]S} d| j krl| } qbd| j krt | j } | | vrt |D]\} }t |j d| kr|| | j | j fd| j| jq~n|| j | j fd| j| j| j | | <qb|| qb|| _d_dSdS)aUSetting this attribute will result in the parsing of the new value and resetting of all the properties in the declaration block including the removal or addition of properties. :exceptions: - :exc:`~xml.dom.NoModificationAllowedErr`: Raised if this declaration is readonly or a property is readonly. - :exc:`~xml.dom.SyntaxErr`: Raised if the specified CSS string value has a syntax error and is unparsable. Format:: variableset : vardeclaration [ ';' S* vardeclaration ]* ; vardeclaration : varname ':' S* term ; varname : IDENT S* ; expr : [ VARCALL | term ] [ operator [ VARCALL | term ] ]* ; :FT)toSeqoptionaltermcSdS)NTr)tvrrrz5CSSVariablesDeclaration._setCssText..csdtt|g|dfS)Nr+)parent)r itertoolschain)r:tokensrrrr<s)namematchr6)r7;cSr9)N)rNrrrrrr<r=)minmaxCSSVariableDeclaration)emptyOkNIDENTr+rvar)_checkReadonlyrridentcharrSrparse_tempSeqtyperr+ enumeratereplacelinecolappend appendItem_setSeqr wellformed)rrvardeclarationprodsrXseqstorenotusednewseqnewvarsnameitemitemnnameiitrrr _setCssText\st              z#CSSVariablesDeclaration._setCssTextzh(DOM) A parsable textual representation of the declaration block excluding the surrounding curly braces.)doccCs ||_dSr)r )rrrrr_setParentRuler/z&CSSVariablesDeclaration._setParentRulecCs|jSr)rgrrrrr<sz CSSVariablesDeclaration.zk(DOM) The CSS rule that contains this declaration block or None if this block is not attached to a CSSRule.cCs(z |jt|jWStyYdSw)aUsed to retrieve the value of a variable if it has been explicitly set within this variable declaration block. :param variableName: The name of the variable. :returns: the value of the variable if it has been explicitly set in this variable declaration block. Returns the empty string if the variable has not been set. r )rrrKeyErrorr#rrrr's   z(CSSVariablesDeclaration.getVariableValuecCsz|}z|j|}Wn tyYdSwd|j_||jvr2t|jD]\}}|jd|kr1|j|=q"d|j_|j|=|jS)aUsed to remove a variable if it has been explicitly set within this variable declaration block. :param variableName: The name of the variable. :returns: the value of the variable if it has been explicitly set for this variable declaration block. Returns the empty string if the variable has not been set. :exceptions: - :exc:`~xml.dom.NoModificationAllowedErr`: Raised if this declaration is readonly is readonly. r FrT)rrir[rrQr+r)rr$ normalnamerrcrrrrr-s  z&CSSVariablesDeclaration.removeVariablec Cs|tt|dtt\}}}}|s&|jd|d|d St |t r.|}nt ||d}|j sE|jd|d|d Sd|j _ t|}||jvrut|j D]\}} | jd|krs|j |||g| j| j| jnqWn |j ||gdd |j _ ||j|<d S) a1Used to set a variable value within this variable declaration block. :param variableName: The name of the CSS variable. :param value: The new value of the variable, may also be a PropertyValue object. :exceptions: - :exc:`~xml.dom.SyntaxErr`: Raised if the specified value has a syntax error and is unparsable. - :exc:`~xml.dom.NoModificationAllowedErr`: Raised if this declaration is readonly or the property is readonly. r$zInvalid variableName: z: )rr>zInvalid variable value: FrrITN)rJrrNrrrrK_logerror isinstancer rXr[rrrQr+rRrPrSrTrU) rr$r+rXr[r\unusedr;rcrrrrr*s2    z#CSSVariablesDeclaration.setVariablecCs(z t||WStyYdSw)aUsed to retrieve the variables that have been explicitly set in this variable declaration block. The order of the variables retrieved using this method does not have to be the order in which they were set. This method can be used to iterate over all variables in this variable declaration block. :param index: of the variable name to retrieve, negative values behave like negative indexes on Python lists, so -1 is the last element :returns: The name of the variable at this ordinal position. The empty string if no variable exists at this position. r )r!r" IndexError)rindexrrrra:s  zCSSVariablesDeclaration.itemcCs t|jSr))lenrrrrrr<Os zThe number of variables that have been explicitly set in this variable declaration block. The range of valid indices is 0 to length-1 inclusive.)r NF)r __module__ __qualname____doc__r rr r%r(r,r.r0r"r4repropertyrrhrr'r-r*rar __classcell__rrrrrs@ j3)ru__all__r?r1cssutils.helperrcssutils.prodparserrrrrr+r util_NewBaserrrrrs