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Bi={x:0,y:0,"text-margin":10,"font-size":14,"font-color":"black","line-width":3,"line-length":50,"line-color":"black","element-color":"black",fill:"white","yes-text":"yes","no-text":"no","arrow-end":"block",class:"flowchart",scale:1,symbols:{start:{},end:{},condition:{},inputoutput:{},operation:{},subroutine:{},parallel:{}}},Ci=(j,m,x,_,T,k,g,h)=>{const a={x:null,y:null,onLine1:!1,onLine2:!1},C=(h-k)*(x-j)-(g-T)*(_-m);if(C===0)return a;const Q=m-k,ot=j-T,E=(g-T)*Q-(h-k)*ot,vt=(x-j)*Q-(_-m)*ot,W=E/C,V=vt/C;return a.x=j+W*(x-j),a.y=m+W*(_-m),W>0&&W<1&&(a.onLine1=!0),V>0&&V<1&&(a.onLine2=!0),a},ci=(j,m,x)=>{let _="M{0},{1}";for(let C=2;C<2*x.length+2;C+=2)_+=` L{${C}},{${C+1}}`;const T=[m.x,m.y];for(let C=0;C<x.length;C++)T.push(x[C].x,x[C].y);const k=j.paper.path(_,T);k.attr("stroke",j.options["element-color"]),k.attr("stroke-width",j.options["line-width"]);const g=j.options.font,h=j.options["font-family"],a=j.options["font-weight"];return g&&k.attr({font:g}),h&&k.attr({"font-family":h}),a&&k.attr({"font-weight":a}),k},Xt=(j,m,x,_)=>{let T="M{0},{1}";for(let Q=2;Q<2*x.length+2;Q+=2)T+=` L{${Q}},{${Q+1}}`;const k=[m.x,m.y];for(let Q=0;Q<x.length;Q++)k.push(x[Q].x,x[Q].y);const g=j.paper.path(T,k);g.attr({stroke:j.options["line-color"],"stroke-width":j.options["line-width"],"arrow-end":j.options["arrow-end"]});const h=j.options.font,a=j.options["font-family"],C=j.options["font-weight"];if(h&&g.attr({font:h}),a&&g.attr({"font-family":a}),C&&g.attr({"font-weight":C}),_){const Q=j.paper.text(0,0,_);let ot="start",E=!1;const vt=x[0];m.y===vt.y&&(E=!0);let W=0,V=0;W=m.x,V=m.y,E?(m.x>vt.x?(W-=j.options["text-margin"]/2,ot="end"):W+=j.options["text-margin"]/2,V-=j.options["text-margin"]):(W+=j.options["text-margin"]/2,V+=j.options["text-margin"],m.y>vt.y&&(V-=j.options["text-margin"]*2)),Q.attr({"text-anchor":ot,"font-size":j.options["font-size"],fill:j.options["font-color"],x:W,y:V}),h&&Q.attr({font:h}),a&&Q.attr({"font-family":a}),C&&Q.attr({"font-weight":C})}return g};class re{constructor(m,x,_){this.leftLines=[],this.rightLines=[],this.topLines=[],this.bottomLines=[],this.chart=m,this.group=this.chart.paper.set(),this.symbol=_,this.connectedTo=[],this.symbolType=x.symbolType,this.flowstate=x.flowstate||"future",this.lineStyle=x.lineStyle??{},this.key=x.key??"",this.next_direction=x.next&&x.direction_next?x.direction_next:void 0,this.text=this.chart.paper.text(0,0,x.text||""),x.key&&(this.text.node.id=`${x.key}t`),this.text.node.setAttribute("class",`${this.getAttr("class")}t`),this.text.attr({"text-anchor":"start",x:this.getAttr("text-margin"),fill:this.getAttr("font-color"),"font-size":this.getAttr("font-size")});const T=this.getAttr("font"),k=this.getAttr("font-family"),g=this.getAttr("font-weight");T&&this.text.attr({font:T}),k&&this.text.attr({"font-family":k}),g&&this.text.attr({"font-weight":g}),x.link&&this.text.attr("href",x.link),x.target&&this.text.attr("target",x.target),x.function&&(this.text.attr({cursor:"pointer"}),this.text.node.addEventListener("click",a=>{window[x.function](a,x)},!1));const h=this.getAttr("maxWidth");if(h){const a=x.text.split(" ");let C="";for(let Q=0;Q<a.length;Q++){const ot=a[Q];this.text.attr("text",C+" "+ot),this.text.getBBox().width>h?C+=`
${ot}`:C+=` ${ot}`}this.text.attr("text",C.substring(1))}if(this.group.push(this.text),_){const a=this.getAttr("text-margin");_.attr({fill:this.getAttr("fill"),stroke:this.getAttr("element-color"),"stroke-width":this.getAttr("line-width"),width:this.text.getBBox().width+2*a,height:this.text.getBBox().height+2*a}),x.link&&_.attr("href",x.link),x.target&&_.attr("target",x.target),_.node.setAttribute("class",this.getAttr("class")),x.function&&(_.node.addEventListener("click",C=>{window[x.function](C,x)},!1),_.attr({cursor:"pointer"})),x.key&&(_.node.id=x.key),this.group.push(_),_.insertBefore(this.text),this.text.attr({y:_.getBBox().height/2}),this.initialize()}}getAttr(m){if(!this.chart)return;const x=this.chart.options?this.chart.options[m]:void 0,_=this.chart.options.symbols?this.chart.options.symbols[this.symbolType][m]:void 0;if(this.chart.options.flowstate&&this.chart.options.flowstate[this.flowstate]){const T=this.chart.options.flowstate[this.flowstate][m];if(T)return T}return _||x}initialize(){this.group.transform(`t${this.getAttr("line-width")},${this.getAttr("line-width")}`),this.width=this.group.getBBox().width,this.height=this.group.getBBox().height}getCenter(){return{x:this.getX()+this.width/2,y:this.getY()+this.height/2}}getX(){return this.group.getBBox().x}getY(){return this.group.getBBox().y}shiftX(m){this.group.transform(`t${this.getX()+m},${this.getY()}`)}setX(m){this.group.transform(`t${m},${this.getY()}`)}shiftY(m){this.group.transform(`$t${this.getX()},${this.getY()+m}`)}setY(m){this.group.transform(`t${this.getX()},${m}`)}getTop(){const m=this.getY();return{x:this.getX()+this.width/2,y:m}}getBottom(){const m=this.getY()+this.height;return{x:this.getX()+this.width/2,y:m}}getLeft(){const m=this.getY()+this.group.getBBox().height/2;return{x:this.getX(),y:m}}getRight(){const m=this.getY()+this.group.getBBox().height/2;return{x:this.getX()+this.group.getBBox().width,y:m}}render(){if(this.next){const m=this.getAttr("line-length");if(this.next_direction==="right"){const x=this.getRight();if(!this.next.isPositioned){this.next.setY(x.y-this.next.height/2),this.next.shiftX(this.group.getBBox().x+this.width+m);const _=()=>{let T=!1,k;for(let g=0;g<this.chart.symbols.length;g++){k=this.chart.symbols[g];const h=Math.abs(k.getCenter().x-this.next.getCenter().x);if(k.getCenter().y>this.next.getCenter().y&&h<=this.next.width/2){T=!0;break}}if(T){if(this.next.symbolType==="end")return;this.next.setX(k.getX()+k.width+m),_()}};_(),this.next.isPositioned=!0,this.next.render()}}else if(this.next_direction==="left"){const x=this.getLeft();if(!this.next.isPositioned){this.next.setY(x.y-this.next.height/2),this.next.shiftX(-(this.group.getBBox().x+this.width+m));const _=()=>{let T=!1,k;for(let g=0;g<this.chart.symbols.length;g++){k=this.chart.symbols[g];const h=Math.abs(k.getCenter().x-this.next.getCenter().x);if(k.getCenter().y>this.next.getCenter().y&&h<=this.next.width/2){T=!0;break}}if(T){if(this.next.symbolType==="end")return;this.next.setX(k.getX()+k.width+m),_()}};_(),this.next.isPositioned=!0,this.next.render()}}else{const x=this.getBottom();this.next.isPositioned||(this.next.shiftY(this.getY()+this.height+m),this.next.setX(x.x-this.next.width/2),this.next.isPositioned=!0,this.next.render())}}}renderLines(){this.next&&(this.next_direction?this.drawLineTo(this.next,this.getAttr("arrow-text")||"",this.next_direction):this.drawLineTo(this.next,this.getAttr("arrow-text")||""))}drawLineTo(m,x,_){this.connectedTo.indexOf(m)<0&&this.connectedTo.push(m);const T=this.getCenter().x,k=this.getCenter().y,g=this.getRight(),h=this.getBottom(),a=this.getTop(),C=this.getLeft(),Q=m.getCenter().x,ot=m.getCenter().y,E=m.getTop(),vt=m.getRight(),W=m.getLeft(),V=T===Q,wt=k===ot,St=k<ot,J=k>ot||this===m,U=T>Q,ht=T<Q;let tt=0,R;const B=this.getAttr("line-length"),G=this.getAttr("line-width");if((!_||_==="bottom")&&V&&St){if(m.topLines.length===0&&this.bottomLines.length===0)R=Xt(this.chart,h,[E],x);else{const $=Math.max(m.topLines.length,this.bottomLines.length)*10;R=Xt(this.chart,h,[{x:E.x,y:E.y-$},{x:E.x,y:E.y}],x)}this.bottomLines.push(R),m.topLines.push(R),this.bottomStart=!0,m.topEnd=!0,tt=h.x}else if((!_||_==="right")&&wt&&ht){if(m.leftLines.length===0&&this.rightLines.length===0)R=Xt(this.chart,g,[W],x);else{const $=Math.max(m.leftLines.length,this.rightLines.length)*10;R=Xt(this.chart,g,[{x:g.x,y:g.y-$},{x:g.x,y:W.y-$},{x:W.x,y:W.y-$},{x:W.x,y:W.y}],x)}this.rightLines.push(R),m.leftLines.push(R),this.rightStart=!0,m.leftEnd=!0,tt=W.x}else if((!_||_==="left")&&wt&&U){if(m.rightLines.length===0&&this.leftLines.length===0)R=Xt(this.chart,C,[vt],x);else{const $=Math.max(m.rightLines.length,this.leftLines.length)*10;R=Xt(this.chart,g,[{x:g.x,y:g.y-$},{x:g.x,y:vt.y-$},{x:vt.x,y:vt.y-$},{x:vt.x,y:vt.y}],x)}this.leftLines.push(R),m.rightLines.push(R),this.leftStart=!0,m.rightEnd=!0,tt=vt.x}else if((!_||_==="right")&&V&&J){const $=Math.max(m.topLines.length,this.rightLines.length)*10;R=Xt(this.chart,g,[{x:g.x+B/2,y:g.y-$},{x:g.x+B/2,y:E.y-B/2-$},{x:E.x,y:E.y-B/2-$},{x:E.x,y:E.y}],x),this.rightLines.push(R),m.topLines.push(R),this.rightStart=!0,m.topEnd=!0,tt=g.x+B/2}else if((!_||_==="right")&&V&&St){const $=Math.max(m.topLines.length,this.rightLines.length)*10;R=Xt(this.chart,g,[{x:g.x+B/2,y:g.y-$},{x:g.x+B/2,y:E.y-B/2-$},{x:E.x,y:E.y-B/2-$},{x:E.x,y:E.y}],x),this.rightLines.push(R),m.topLines.push(R),this.rightStart=!0,m.topEnd=!0,tt=g.x+B/2}else if((!_||_==="bottom")&&U){const $=Math.max(m.topLines.length,this.bottomLines.length)*10;this.leftEnd&&J?R=Xt(this.chart,h,[{x:h.x,y:h.y+B/2-$},{x:h.x+(h.x-E.x)/2,y:h.y+B/2-$},{x:h.x+(h.x-E.x)/2,y:E.y-B/2-$},{x:E.x,y:E.y-B/2-$},{x:E.x,y:E.y}],x):R=Xt(this.chart,h,[{x:h.x,y:E.y-B/2-$},{x:E.x,y:E.y-B/2-$},{x:E.x,y:E.y}],x),this.bottomLines.push(R),m.topLines.push(R),this.bottomStart=!0,m.topEnd=!0,tt=h.x+(h.x-E.x)/2}else if((!_||_==="bottom")&&ht&&St){const $=Math.max(m.topLines.length,this.bottomLines.length)*10;R=Xt(this.chart,h,[{x:h.x,y:E.y-B/2-$},{x:E.x,y:E.y-B/2-$},{x:E.x,y:E.y}],x),this.bottomLines.push(R),m.topLines.push(R),this.bottomStart=!0,m.topEnd=!0,tt=h.x,E.x>tt&&(tt=E.x)}else if((!_||_==="bottom")&&ht){const $=Math.max(m.topLines.length,this.bottomLines.length)*10;R=Xt(this.chart,h,[{x:h.x,y:h.y+B/2-$},{x:h.x+(h.x-E.x)/2,y:h.y+B/2-$},{x:h.x+(h.x-E.x)/2,y:E.y-B/2-$},{x:E.x,y:E.y-B/2-$},{x:E.x,y:E.y}],x),this.bottomLines.push(R),m.topLines.push(R),this.bottomStart=!0,m.topEnd=!0,tt=h.x+(h.x-E.x)/2}else if(_&&_==="right"&&U){const $=Math.max(m.topLines.length,this.rightLines.length)*10;R=Xt(this.chart,g,[{x:g.x+B/2,y:g.y},{x:g.x+B/2,y:E.y-B/2-$},{x:E.x,y:E.y-B/2-$},{x:E.x,y:E.y}],x),this.rightLines.push(R),m.topLines.push(R),this.rightStart=!0,m.topEnd=!0,tt=g.x+B/2}else if(_&&_==="right"&&ht){const $=Math.max(m.topLines.length,this.rightLines.length)*10;R=Xt(this.chart,g,[{x:E.x,y:g.y-$},{x:E.x,y:E.y-$}],x),this.rightLines.push(R),m.topLines.push(R),this.rightStart=!0,m.topEnd=!0,tt=g.x+B/2}else if(_&&_==="bottom"&&V&&J){const $=Math.max(m.topLines.length,this.bottomLines.length)*10;R=Xt(this.chart,h,[{x:h.x,y:h.y+B/2-$},{x:g.x+B/2,y:h.y+B/2-$},{x:g.x+B/2,y:E.y-B/2-$},{x:E.x,y:E.y-B/2-$},{x:E.x,y:E.y}],x),this.bottomLines.push(R),m.topLines.push(R),this.bottomStart=!0,m.topEnd=!0,tt=h.x+B/2}else if(_==="left"&&V&&J){let $=C.x-B/2;W.x<C.x&&($=W.x-B/2);const xt=Math.max(m.topLines.length,this.leftLines.length)*10;R=Xt(this.chart,C,[{x:$,y:C.y-xt},{x:$,y:E.y-B/2-xt},{x:E.x,y:E.y-B/2-xt},{x:E.x,y:E.y}],x),this.leftLines.push(R),m.topLines.push(R),this.leftStart=!0,m.topEnd=!0,tt=C.x}else if(_==="left"){const $=Math.max(m.topLines.length,this.leftLines.length)*10;R=Xt(this.chart,C,[{x:E.x+(C.x-E.x)/2,y:C.y},{x:E.x+(C.x-E.x)/2,y:E.y-B/2-$},{x:E.x,y:E.y-B/2-$},{x:E.x,y:E.y}],x),this.leftLines.push(R),m.topLines.push(R),this.leftStart=!0,m.topEnd=!0,tt=C.x}else if(_==="top"){const $=Math.max(m.topLines.length,this.topLines.length)*10;R=Xt(this.chart,a,[{x:a.x,y:E.y-B/2-$},{x:E.x,y:E.y-B/2-$},{x:E.x,y:E.y}],x),this.topLines.push(R),m.topLines.push(R),this.topStart=!0,m.topEnd=!0,tt=a.x}if(this.lineStyle[m.key]&&R&&R.attr(this.lineStyle[m.key]),R){for(let $=0,xt=this.chart.lines.length;$<xt;$++){const nt=this.chart.lines[$].attr("path"),K=R.attr("path");for(let rt=0,et=nt.length-1;rt<et;rt++){const gt=[];gt.push(["M",nt[rt][1],nt[rt][2]]),gt.push(["L",nt[rt+1][1],nt[rt+1][2]]);const Bt=gt[0][1],Lt=gt[0][2],ct=gt[1][1],dt=gt[1][2];for(let Ot=0,u=K.length-1;Ot<u;Ot++){const o=[];o.push(["M",K[Ot][1],K[Ot][2]]),o.push(["L",K[Ot+1][1],K[Ot+1][2]]);const s=o[0][1],c=o[0][2],y=o[1][1],w=o[1][2],b=Ci(Bt,Lt,ct,dt,s,c,y,w);if(b.onLine1&&b.onLine2){let M;c===w?s>y?(M=["L",b.x+G*2,c],K.splice(Ot+1,0,M),M=["C",b.x+G*2,c,b.x,c-G*4,b.x-G*2,c],K.splice(Ot+2,0,M),R.attr("path",K)):(M=["L",b.x-G*2,c],K.splice(Ot+1,0,M),M=["C",b.x-G*2,c,b.x,c-G*4,b.x+G*2,c],K.splice(Ot+2,0,M),R.attr("path",K)):c>w?(M=["L",s,b.y+G*2],K.splice(Ot+1,0,M),M=["C",s,b.y+G*2,s+G*4,b.y,s,b.y-G*2],K.splice(Ot+2,0,M),R.attr("path",K)):(M=["L",s,b.y-G*2],K.splice(Ot+1,0,M),M=["C",s,b.y-G*2,s+G*4,b.y,s,b.y+G*2],K.splice(Ot+2,0,M),R.attr("path",K)),Ot+=2}}}}this.chart.lines.push(R),(this.chart.minXFromSymbols===void 0||this.chart.minXFromSymbols>C.x)&&(this.chart.minXFromSymbols=C.x)}(!this.chart.maxXFromLine||this.chart.maxXFromLine&&tt>this.chart.maxXFromLine)&&(this.chart.maxXFromLine=tt)}}class Xe extends re{constructor(m,x={}){super(m,x),this.yes_annotation=x.yes_annotation,this.no_annotation=x.no_annotation,this.textMargin=this.getAttr("text-margin"),this.params=x.params||{};let{direction_yes:_,direction_no:T}=x;!T&&_==="right"?T="bottom":!_&&T==="bottom"&&(_="right"),this.yes_direction=_||"bottom",this.no_direction=T||"right",this.text.attr({x:this.textMargin*2});let k=this.text.getBBox().width+3*this.textMargin;k+=k/2;let g=this.text.getBBox().height+2*this.textMargin;g+=g/2,g=Math.max(k*.5,g);const h=k/4,a=g/4;this.text.attr({x:h+this.textMargin/2});const C={x:h,y:a},Q=[{x:h-k/4,y:a+g/4},{x:h-k/4+k/2,y:a+g/4+g/2},{x:h-k/4+k,y:a+g/4},{x:h-k/4+k/2,y:a+g/4-g/2},{x:h-k/4,y:a+g/4}],ot=ci(m,C,Q);ot.attr({stroke:this.getAttr("element-color"),"stroke-width":this.getAttr("line-width"),fill:this.getAttr("fill")}),x.link&&ot.attr("href",x.link),x.target&&ot.attr("target",x.target),x.key&&(ot.node.id=x.key),ot.node.setAttribute("class",this.getAttr("class")),this.text.attr({y:ot.getBBox().height/2}),this.group.push(ot),ot.insertBefore(this.text),this.initialize()}render(){this.yes_direction&&(this[`${this.yes_direction}_symbol`]=this.yes_symbol),this.no_direction&&(this[`${this.no_direction}_symbol`]=this.no_symbol);const m=this.getAttr("line-length");if(this.bottom_symbol){const x=this.getBottom();this.bottom_symbol.isPositioned||(this.bottom_symbol.shiftY(this.getY()+this.height+m),this.bottom_symbol.setX(x.x-this.bottom_symbol.width/2),this.bottom_symbol.isPositioned=!0,this.bottom_symbol.render())}if(this.right_symbol){const x=this.getRight();if(!this.right_symbol.isPositioned){this.right_symbol.setY(x.y-this.right_symbol.height/2),this.right_symbol.shiftX(this.group.getBBox().x+this.width+m);const _=()=>{let T=!1,k;for(let g=0;g<this.chart.symbols.length;g++)if(k=this.chart.symbols[g],!this.params["align-next"]||this.params["align-next"]!=="no"){const h=Math.abs(k.getCenter().x-this.right_symbol.getCenter().x);if(k.getCenter().y>this.right_symbol.getCenter().y&&h<=this.right_symbol.width/2){T=!0;break}}if(T){if(this.right_symbol.symbolType==="end")return;this.right_symbol.setX(k.getX()+k.width+m),_()}};_(),this.right_symbol.isPositioned=!0,this.right_symbol.render()}}if(this.left_symbol){const x=this.getLeft();if(!this.left_symbol.isPositioned){this.left_symbol.setY(x.y-this.left_symbol.height/2),this.left_symbol.shiftX(-(this.group.getBBox().x+this.width+m));const _=()=>{let T=!1,k;for(let g=0;g<this.chart.symbols.length;g++)if(k=this.chart.symbols[g],!this.params["align-next"]||this.params["align-next"]!=="no"){const h=Math.abs(k.getCenter().x-this.left_symbol.getCenter().x);if(k.getCenter().y>this.left_symbol.getCenter().y&&h<=this.left_symbol.width/2){T=!0;break}}if(T){if(this.left_symbol.symbolType==="end")return;this.left_symbol.setX(k.getX()+k.width+m),_()}};_(),this.left_symbol.isPositioned=!0,this.left_symbol.render()}}}renderLines(){this.yes_symbol&&this.drawLineTo(this.yes_symbol,this.yes_annotation||this.getAttr("yes-text"),this.yes_direction),this.no_symbol&&this.drawLineTo(this.no_symbol,this.no_annotation||this.getAttr("no-text"),this.no_direction)}}class Ai extends re{constructor(m,x={}){const _=m.paper.rect(0,0,0,0,20);super(m,{text:"End",...x},_)}}class Si extends re{constructor(m,x={}){super(m,x),this.textMargin=this.getAttr("text-margin"),this.text.attr({x:this.textMargin*3});const _=this.text.getBBox().width+4*this.textMargin,T=this.text.getBBox().height+2*this.textMargin,k=this.textMargin,g=T/2,h={x:k,y:g},a=[{x:k-this.textMargin,y:T},{x:k-this.textMargin+_,y:T},{x:k-this.textMargin+_+2*this.textMargin,y:0},{x:k-this.textMargin+2*this.textMargin,y:0},{x:k,y:g}],C=ci(m,h,a);C.attr({stroke:this.getAttr("element-color"),"stroke-width":this.getAttr("line-width"),fill:this.getAttr("fill")}),x.link&&C.attr("href",x.link),x.target&&C.attr("target",x.target),x.key&&(C.node.id=x.key),C.node.setAttribute("class",this.getAttr("class")),this.text.attr({y:C.getBBox().height/2}),this.group.push(C),C.insertBefore(this.text),this.initialize()}getLeft(){const m=this.getY()+this.group.getBBox().height/2;return{x:this.getX()+this.textMargin,y:m}}getRight(){const m=this.getY()+this.group.getBBox().height/2;return{x:this.getX()+this.group.getBBox().width-this.textMargin,y:m}}}class Li extends re{constructor(m,x={}){const _=m.paper.rect(0,0,0,0,0);super(m,{text:"End",...x},_)}}class Ne extends re{constructor(m,x={}){const _=m.paper.rect(0,0,0,0);super(m,x,_),this.textMargin=this.getAttr("text-margin"),this.path1_direction="bottom",this.path2_direction="right",this.path3_direction="top",this.params=x.params||{},x.direction_next==="path1"&&!x[x.direction_next]&&x.next&&(x[x.direction_next]=x.next),x.direction_next==="path2"&&!x[x.direction_next]&&x.next&&(x[x.direction_next]=x.next),x.direction_next==="path3"&&!x[x.direction_next]&&x.next&&(x[x.direction_next]=x.next),x.path1&&x.direction_path1&&x.path2&&!x.direction_path2&&x.path3&&!x.direction_path3?x.direction_path1==="right"?(this.path2_direction="bottom",this.path1_direction="right",this.path3_direction="top"):x.direction_path1==="top"?(this.path2_direction="right",this.path1_direction="top",this.path3_direction="bottom"):x.direction_path1==="left"?(this.path2_direction="right",this.path1_direction="left",this.path3_direction="bottom"):(this.path2_direction="right",this.path1_direction="bottom",this.path3_direction="top"):x.path1&&!x.direction_path1&&x.path2&&x.direction_path2&&x.path3&&!x.direction_path3?x.direction_path2==="right"?(this.path1_direction="bottom",this.path2_direction="right",this.path3_direction="top"):x.direction_path2==="left"?(this.path1_direction="bottom",this.path2_direction="left",this.path3_direction="right"):(this.path1_direction="right",this.path2_direction="bottom",this.path3_direction="top"):x.path1&&!x.direction_path1&&x.path2&&!x.direction_path2&&x.path3&&x.direction_path3?x.direction_path2==="right"?(this.path1_direction="bottom",this.path2_direction="top",this.path3_direction="right"):x.direction_path2==="left"?(this.path1_direction="bottom",this.path2_direction="right",this.path3_direction="left"):(this.path1_direction="right",this.path2_direction="bottom",this.path3_direction="top"):(this.path1_direction=x.direction_path1,this.path2_direction=x.direction_path2,this.path3_direction=x.direction_path3),this.path1_direction=this.path1_direction||"bottom",this.path2_direction=this.path2_direction||"right",this.path3_direction=this.path3_direction||"top",this.initialize()}render(){this.path1_direction&&(this[this.path1_direction+"_symbol"]=this.path1_symbol),this.path2_direction&&(this[this.path2_direction+"_symbol"]=this.path2_symbol),this.path3_direction&&(this[this.path3_direction+"_symbol"]=this.path3_symbol);const m=this.getAttr("line-length");if(this.bottom_symbol){const x=this.getBottom();this.bottom_symbol.isPositioned||(this.bottom_symbol.shiftY(this.getY()+this.height+m),this.bottom_symbol.setX(x.x-this.bottom_symbol.width/2),this.bottom_symbol.isPositioned=!0,this.bottom_symbol.render())}if(this.top_symbol){const x=this.getTop();this.top_symbol.isPositioned||(this.top_symbol.shiftY(this.getY()-this.top_symbol.height-m),this.top_symbol.setX(x.x+this.top_symbol.width),this.top_symbol.isPositioned=!0,this.top_symbol.render())}if(this.left_symbol){const x=this.getLeft();if(!this.left_symbol.isPositioned){this.left_symbol.setY(x.y-this.left_symbol.height/2),this.left_symbol.shiftX(-(this.group.getBBox().x+this.width+m));const _=()=>{let T=!1,k;for(let g=0;g<this.chart.symbols.length;g++)if(k=this.chart.symbols[g],!this.params["align-next"]||this.params["align-next"]!=="no"){const h=Math.abs(k.getCenter().x-this.left_symbol.getCenter().x);if(k.getCenter().y>this.left_symbol.getCenter().y&&h<=this.left_symbol.width/2){T=!0;break}}if(T){if(this.left_symbol.symbolType==="end")return;this.left_symbol.setX(k.getX()+k.width+m),_()}};_(),this.left_symbol.isPositioned=!0,this.left_symbol.render()}}if(this.right_symbol){const x=this.getRight();if(!this.right_symbol.isPositioned){this.right_symbol.setY(x.y-this.right_symbol.height/2),this.right_symbol.shiftX(this.group.getBBox().x+this.width+m);const _=()=>{let T=!1,k;for(let g=0;g<this.chart.symbols.length;g++)if(k=this.chart.symbols[g],!this.params["align-next"]||this.params["align-next"]!=="no"){const h=Math.abs(k.getCenter().x-this.right_symbol.getCenter().x);if(k.getCenter().y>this.right_symbol.getCenter().y&&h<=this.right_symbol.width/2){T=!0;break}}if(T){if(this.right_symbol.symbolType==="end")return;this.right_symbol.setX(k.getX()+k.width+m),_()}};_(),this.right_symbol.isPositioned=!0,this.right_symbol.render()}}}renderLines(){this.path1_symbol&&this.drawLineTo(this.path1_symbol,"",this.path1_direction),this.path2_symbol&&this.drawLineTo(this.path2_symbol,"",this.path2_direction),this.path3_symbol&&this.drawLineTo(this.path3_symbol,"",this.path3_direction)}}class Oi extends re{constructor(m,x={}){const _=m.paper.rect(0,0,0,0,20);x.text=x.text||"Start",super(m,x,_)}}class Mi extends re{constructor(m,x={}){const _=m.paper.rect(0,0,0,0);super(m,x,_),_.attr({width:this.text.getBBox().width+4*this.getAttr("text-margin")}),this.text.attr({x:2*this.getAttr("text-margin")});const T=m.paper.rect(0,0,0,0);T.attr({x:this.getAttr("text-margin"),stroke:this.getAttr("element-color"),"stroke-width":this.getAttr("line-width"),width:this.text.getBBox().width+2*this.getAttr("text-margin"),height:this.text.getBBox().height+2*this.getAttr("text-margin"),fill:this.getAttr("fill")}),x.key&&(T.node.id=x.key+"i");const k=this.getAttr("font"),g=this.getAttr("font-family"),h=this.getAttr("font-weight");k&&T.attr({font:k}),g&&T.attr({"font-family":g}),h&&T.attr({"font-weight":h}),x.link&&T.attr("href",x.link),x.target&&T.attr("target",x.target),this.group.push(T),T.insertBefore(this.text),this.initialize()}}const Fe=(j,...m)=>{if(m.length===0)return j;const x=m.shift();return Object.keys(x).forEach(_=>{typeof j[_]=="object"&&!Array.isArray(j[_])&&typeof x[_]=="object"&&!Array.isArray(x[_])?Fe(j[_],x[_]):typeof x[_]=="object"?Array.isArray(x[_])?j[_]=[...x[_]]:j[_]={...x[_]}:j[_]=x[_]}),Fe(j,...m)};class Pi{constructor(m,x){this.symbols=[],this.lines=[],this.start=null,this.minXFromSymbols=0,this.maxXFromLine=0,this.paper=new ki(m),this.options=Fe(x,Bi)}handle(m){return this.symbols.indexOf(m)<=-1&&this.symbols.push(m),m instanceof Xe?(m.yes=x=>(m.yes_symbol=x,m.no_symbol&&(m.pathOk=!0),this.handle(x)),m.no=x=>(m.no_symbol=x,m.yes_symbol&&(m.pathOk=!0),this.handle(x))):m instanceof Ne?(m.path1=x=>(m.path1_symbol=x,m.path2_symbol&&(m.pathOk=!0),this.handle(x)),m.path2=x=>(m.path2_symbol=x,m.path3_symbol&&(m.pathOk=!0),this.handle(x)),m.path3=x=>(m.path3_symbol=x,m.path1_symbol&&(m.pathOk=!0),this.handle(x))):m.then=x=>(m.next=x,m.pathOk=!0,this.handle(x)),m}startWith(m){return this.start=m,this.handle(m)}render(){let m=0,x=0,_=0,T=0,k=0,g=0,h;this.symbols.forEach(W=>{W.width>m&&(m=W.width),W.height>x&&(x=W.height)}),this.symbols.forEach(W=>{W.shiftX(this.options.x+(m-W.width)/2+this.options["line-width"]),W.shiftY(this.options.y+(x-W.height)/2+this.options["line-width"])}),this.start.render(),this.symbols.forEach(W=>{W.renderLines()}),_=this.maxXFromLine;let a,C;this.symbols.forEach(W=>{const V=W.getX();a=V+W.width,C=W.getY()+W.height,V<k&&(k=V),a>_&&(_=a),C>T&&(T=C)});for(let W=0;W<this.lines.length;W++){h=this.lines[W].getBBox(),a=h.x,C=h.y;const V=h.x2,wt=h.y2;a<k&&(k=a),C<g&&(g=C),V>_&&(_=V),wt>T&&(T=wt)}const Q=this.options.scale,ot=this.options["line-width"];this.minXFromSymbols<k&&(k=this.minXFromSymbols),k<0&&(k-=ot),g<0&&(g-=ot);const E=_+ot-k,vt=T+ot-g;this.paper.setSize(E*Q,vt*Q),this.paper.setViewBox(k,g,E,vt,!0)}clean(){if(this.paper){const m=this.paper.canvas;m.parentNode&&m.parentNode.removeChild(m)}}}const Ei=()=>({symbols:{},start:null,diagram:null,draw(j,m={}){this.diagram&&this.diagram.clean();const x=new Pi(j,m);this.diagram=x;const _={},T=g=>{if(_[g.key])return _[g.key];switch(g.symbolType){case"start":_[g.key]=new Oi(x,g);break;case"end":_[g.key]=new Ai(x,g);break;case"operation":_[g.key]=new Li(x,g);break;case"inputoutput":_[g.key]=new Si(x,g);break;case"subroutine":_[g.key]=new Mi(x,g);break;case"condition":_[g.key]=new Xe(x,g);break;case"parallel":_[g.key]=new Ne(x,g);break;default:throw new Error(`Unknown symbol type ${g.symbolType}!`)}return _[g.key]},k=(g,h,a)=>{const C=T(g);return this.start===g?x.startWith(C):h&&a&&!h.pathOk&&(h instanceof Xe?(a.yes===g&&h.yes(C),a.no===g&&h.no(C)):h instanceof Ne?(a.path1===g&&h.path1(C),a.path2===g&&h.path2(C),a.path3===g&&h.path3(C)):h.then(C)),C.pathOk||(C instanceof Xe?(g.yes&&k(g.yes,C,g),g.no&&k(g.no,C,g)):C instanceof Ne?(g.path1&&k(g.path1,C,g),g.path2&&k(g.path2,C,g),g.path3&&k(g.path3,C,g)):g.next&&k(g.next,C,g)),C};k(this.start),x.render()},clean(){var j;(j=this.diagram)==null||j.clean()},options(){var j;return((j=this.diagram)==null?void 0:j.options)||{}}}),Xi=j=>{const m=[];let x=0;for(let _=1,{length:T}=j;_<T;_++)if(j[_]===`
`&&j[_-1]!=="\\"){const k=j.substring(x,_);x=_+1,m.push(k.replace(/\\\n/g,`
`))}x<j.length&&m.push(j.substr(x));for(let _=1,{length:T}=m;_<T;){const k=m[_];k.indexOf("->")<0&&k.indexOf("=>")<0&&k.indexOf("@>")<0?(m[_-1]+=`
${k}`,m.splice(_,1),T--):_++}return m},Ni=j=>{const m=j.indexOf("(")+1,x=j.indexOf(")");return m>=0&&x>=0?j.substring(m,x):"{}"},Ti=j=>{const m=j.indexOf("(")+1,x=j.indexOf(")");return m>=0&&x>=0?j.substring(m,x):""},Ee=(j,m)=>{const x=j.indexOf("(")+1,_=j.indexOf(")");return x>=0&&_>=0?m.symbols[j.substring(0,x-1)]:m.symbols[j]},$i=j=>{const m=j.indexOf("(")+1,x=j.indexOf(")");let _=j.substring(m,x);_.indexOf(",")>0&&(_=_.substring(0,_.indexOf(",")));const T=_.split("@");return T.length>1&&m>=0&&x>=0?T[1]:""},qi=(j="")=>{const m=Ei(),x=Xi(j.trim());for(;x.length>0;){let T=x.splice(0,1)[0].trim();if(T.indexOf("=>")>=0){const k=T.split("=>"),g={key:k[0].replace(/\(.*\)/,""),symbolType:k[1],text:null,link:null,target:null,flowstate:null,function:null,lineStyle:{},params:{}},h=k[0].match(/\((.*)\)/);if(h&&h.length>1){const a=h[1].split(",");for(let C=0;C<a.length;C++){const Q=a[C].split("=");Q.length==2&&(g.params[Q[0]]=Q[1])}}var _;if(g.symbolType.indexOf(": ")>=0&&(_=g.symbolType.split(": "),g.symbolType=_.shift(),g.text=_.join(": ")),g.text&&g.text.indexOf(":$")>=0?(_=g.text.split(":$"),g.text=_.shift(),g.function=_.join(":$")):g.symbolType.indexOf(":$")>=0?(_=g.symbolType.split(":$"),g.symbolType=_.shift(),g.function=_.join(":$")):g.text&&g.text.indexOf(":>")>=0?(_=g.text.split(":>"),g.text=_.shift(),g.link=_.join(":>")):g.symbolType.indexOf(":>")>=0&&(_=g.symbolType.split(":>"),g.symbolType=_.shift(),g.link=_.join(":>")),g.symbolType.indexOf(`
`)>=0&&(g.symbolType=g.symbolType.split(`
`)[0]),g.link){const a=g.link.indexOf("[")+1,C=g.link.indexOf("]");a>=0&&C>=0&&(g.target=g.link.substring(a,C),g.link=g.link.substring(0,a-1))}if(g.text&&g.text.indexOf("|")>=0){const a=g.text.split("|");g.flowstate=a.pop().trim(),g.text=a.join("|")}m.symbols[g.key]=g}else if(T.indexOf("->")>=0){let k=$i(T);k&&(T=T.replace("@"+k,""));const g=T.split("->");for(let h=0,a=g.length;h<a;h++){let C=g[h];const Q=Ti(C);(Q==="true"||Q==="false")&&(C=C.replace("true","yes"),C=C.replace("false","no"));let ot=(W=>{let V="next";const wt=W.indexOf("(")+1,St=W.indexOf(")");return wt>=0&&St>=0&&(V=C.substring(wt,St),V.indexOf(",")<0&&V!=="yes"&&V!=="no"&&(V=`next, ${V}`)),V})(C);const E=Ee(C,m);let vt=null;if(ot.indexOf(",")>=0){const W=ot.split(",");ot=W[0],vt=W[1].trim()}if(k&&(ot=="yes"||ot=="true"?E.yes_annotation=k:E.no_annotation=k,k=null),m.start||(m.start=E),h+1<a){const W=g[h+1];E[ot]=Ee(W,m),E["direction_"+ot]=vt,vt=null}}}else if(T.indexOf("@>")>=0){const k=T.split("@>");for(let g=0,h=k.length;g<h;g++)if(g+1!==h){const a=Ee(k[g],m),C=Ee(k[g+1],m);a.lineStyle[C.key]=JSON.parse(Ni(k[g+1]))}}}return m};export{qi as parse};