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literally.N)rrrrrr6rr)r^r?rr r r parsesquareliteralHs  zCommandBit.parsesquareliteralcCsP|j||jt|s.td|jdSt|j|}| ||S)zParse a text parameter.zNo text parameter for N) rrrrDrrrrrr6)r^r?rr r r rQs  zCommandBit.parsetextN) rrrrr>rrDrrErr r r r rA s    rAc@seZdZdZejZddZdS)rHz%An empty command (without parameters)cCst|jg|_dS)z"Parse a command without parametersN)r>rBr)r^r?r r r r`szEmptyCommand.parsebitN)rrrrrr{r<rr r r r rH[srHc@seZdZdZejZddZdS) SpacedCommandzrBr)r^r?r r r riszSpacedCommand.parsebitN)rrrrrrr<rr r r r rFdsrFc@seZdZdZejZddZdS)rGz8A command without paramters whose result is alphabeticalcCst||d|_dS)z'Parse the command and set type to alphar#N)rHrr)r^r?r r r rrs zAlphaCommand.parsebitN)rrrrrrr<rr r r r rGmsrGc@s*eZdZdZejZdZddZddZ dS)rIzA function of one parameterFcCs&t|j|_|||dS)z#Parse a function with one parameterN)rrrBrrsimplifyifpossible)r^r?r r r r}s zOneParamFunction.parsebitcCs.|j|jkr*t|_|j|jg|_d|_dS)z&Try to simplify to a single character.TN)rr<rrr} simplified)r^r r r rGs z#OneParamFunction.simplifyifpossibleN) rrrrrrr<rHrrGr r r r rIws rIc@s&eZdZdZejZddZddZdS)rJz>Find a function which is represented by a symbol (like _ or ^)cCs|tjkS)zFind the symbol)rsrJr<)r^r?r r r rszSymbolFunction.detectcCs8||||jt|j|_||dS)zParse the symbolN) r>rsr2rrrrBrr)r^r?r r r rs zSymbolFunction.parsebitN) rrrrrrr<rrr r r r rJsrJc@s&eZdZdZejZddZddZdS)rKz-A function where parameters are read as text.cCst|j|_||dS)zParse a text parameterN)rrrBrr)r^r?r r r rszTextFunction.parsebitcCs d|_dS)zSet the type to fontrN)r)r^r r r rszTextFunction.processN) rrrrrrr<rrr r r r rKsrKc@s&eZdZdZejZddZddZdS) LabelFunctionzA function that acts as a labelcCs|||_dS)zParse a literal parameterN)rre)r^r?r r r rszLabelFunction.parsebitcCs8d|_tjd|jdd|_|jg|_|jtj|j<dS)z&Add an anchor with the label contents.rrZeqnumber)rN)rrVrrer6rr0)r^r r r rs zLabelFunction.processN) rrrrrrr<rrr r r r rIsrIc@seZdZdZejZddZdS)rLz1A function of one parameter that changes the fontcCsd|_|dS)z.Simplify if possible using a 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rowcCs"||_td|dd|_|S)Nzspan class="arraycell align-rT)rNrrr)r^rNr r r setalignment<szFormulaCell.setalignmentcCs0|j||rdS||jt|dS)N)rrrr6rvr)r^r?r r r rAs zFormulaCell.parsebitN)rrrrr[rr r r r rZ9srZc@s2eZdZdZejdZddZddZddZ d S) FormulaRowzAn array row inside an arrayrcCs||_tdd|_|S)Nzspan class="arrayrow"T) alignmentsrrr)r^r]r r r setalignmentsLszFormulaRow.setalignmentscCsnd}|j|jddx>|sR||}|||||d7}||jqWt|jdkrjt |_ dS)zParse a whole rowrT)r7ruN) r8rr createcellrr6rJr`rrr)r^r?rIrWr r r rQs    zFormulaRow.parsebitcCs&|j|t|j}|jt|S)z4Create the cell that corresponds to the given index.)r]r`rrrZr[)r^rIrNr r r r_^szFormulaRow.createcellN) rrrrrrrr^rr_r r r r r\Gs   r\c@s0eZdZdZddZddZddZdd Zd S) MultiRowFormulazA formula with multiple rows.cCsTg|_d}x8||D]*}|r$d}n|||||qWt|j|_dS)z,Parse all rows, finish when no more row endsTFN)rV iteraterowsaddemptyraddrowr`r-)r^r?rrowr r r parserowsfs zMultiRowFormula.parserowsccs^tjd}xN||d|jt}||jV||rR|j | |7_ q dSq WdS)z0Iterate over all rows, end when no more 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statementZcasescCst|_ddg|_||x<|jD]2}x,|jD]"}|jdd|jtdq0Wq$Wt |jdd}t t |jdd}| |g|_dS)zParse the casesrzspan class="case align-l"Tu zspan class="bracketcases"rN) rrr]rerrrrr>rrnrMr`rX)r^r?rdrWrZbracer r r rs    zFormulaCases.parsebitN)rrrrrYrr r r r rjsrjc@seZdZdZddZdS)EquationEnvironmentz;A \begin{}...\end equation environment with rows and cells.cCs\tdd|_|jdd}|tjkr6tj||_nt d|jdg|_| |dS)zParse the whole environment.zspan class="environment"Frr!zUnknown equation environment rN) rrrrYrjrrr]rrre)r^r? environmentr r r rs zEquationEnvironment.parsebitN)rrrrrr r r r rksrkc@s:eZdZdZejddiZeee e gZ ddZ ddZ dS) BeginCommandzEA \begin{}...\end command and what it entails (array, cases, aligned)rr!cCsh||}||}tjdd|d}|||||||j||7_|j |_ dS)zParse the begin commandrrrN) rfindbitrrr8rr6rr;r-)r^r?rrrr r r rs     zBeginCommand.parsebitcCsDx,tjD]"}|dd|jkr|j|SqW|jt}||_|S)z7Find the command bit corresponding to the \begin{piece}rr!)rmrrjrYrrrk)r^rYrrr r r rns   zBeginCommand.findbitN)rrrrrrr<rYrfrjrirrrnr r r r 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class="limit"N) rJrBrLrrrrrrrra)r^r?rXrYr r r r$s zLimitCommand.parsebitN)rrrrrrr<rr r r r rrsrrc@s$eZdZdZdZddZddZdS)rz(A command to limit the previous command.NcCstd|_|j|dS)z Do nothing.zspan class="limits"N)rrrrr)r^r?r r r r0szLimitPreviousCommand.parsebitcCsdS)z"Return a printable representation.zLimit previous commandr )r^r r r r5sz LimitPreviousCommand.__unicode__)rrrrr<rrr r r r r+src@sXeZdZdZddZddZddZdd Zd d Zd d Z ddZ ddZ ddZ dS)LimitsProcessorz)A processor for limits inside an element.cCsNtjr dS|||r"||||||rJ|||drJ|||dS)z"Process the limits for an element.Nru)ryr checklimits modifylimits checkscript modifyscripts)r^rrIr r r r<s   zLimitsProcessor.processcCsNtjs dS|||dtr,|||dSt||ts>dS|||dS)z3Check if the current position has a limits command.Fru)rors checkcommandr limitsaheadrmrrrv)r^rrIr r r rtEs zLimitsProcessor.checklimitscCs*||d||t||_dS)z,Limit the current element based on the next.ruN)r6rrr)r^rrIr r r 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