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t;l===d?r>u?(t=[`L`,f.x+T*2,l],n.splice(e+1,0,t),t=[`C`,f.x+T*2,l,f.x,l-T*4,f.x-T*2,l],n.splice(e+2,0,t),C.attr(`path`,n)):(t=[`L`,f.x-T*2,l],n.splice(e+1,0,t),t=[`C`,f.x-T*2,l,f.x,l-T*4,f.x+T*2,l],n.splice(e+2,0,t),C.attr(`path`,n)):l>d?(t=[`L`,r,f.y+T*2],n.splice(e+1,0,t),t=[`C`,r,f.y+T*2,r+T*4,f.y,r,f.y-T*2],n.splice(e+2,0,t),C.attr(`path`,n)):(t=[`L`,r,f.y-T*2],n.splice(e+1,0,t),t=[`C`,r,f.y-T*2,r+T*4,f.y,r,f.y+T*2],n.splice(e+2,0,t),C.attr(`path`,n)),e+=2}}}}this.chart.lines.push(C),(this.chart.minXFromSymbols===void 0||this.chart.minXFromSymbols>u.x)&&(this.chart.minXFromSymbols=u.x)}(!this.chart.maxXFromLine||this.chart.maxXFromLine&&S>this.chart.maxXFromLine)&&(this.chart.maxXFromLine=S)}},l=class extends c{yes_annotation;no_annotation;yes_direction;no_direction;textMargin;yes_symbol;no_symbol;top_symbol;bottom_symbol;right_symbol;left_symbol;yes;no;constructor(e,t={}){super(e,t),this.yes_annotation=t.yes_annotation,this.no_annotation=t.no_annotation,this.textMargin=this.getAttr(`text-margin`);let{direction_yes:n,direction_no:r}=t;!r&&n===`right`?r=`bottom`:!n&&r===`bottom`&&(n=`right`),this.yes_direction=n??`bottom`,this.no_direction=r??`right`,this.text.attr({x:this.textMargin*2});let i=this.text.getBBox().width+3*this.textMargin;i+=i/2;let a=this.text.getBBox().height+2*this.textMargin;a+=a/2,a=Math.max(i*.5,a);let s=i/4,c=a/4;this.text.attr({x:s+this.textMargin/2});let l=o(e,{x:s,y:c},[{x:s-i/4,y:c+a/4},{x:s-i/4+i/2,y:c+a/4+a/2},{x:s-i/4+i,y:c+a/4},{x:s-i/4+i/2,y:c+a/4-a/2},{x:s-i/4,y:c+a/4}]);l.attr({stroke:this.getAttr(`element-color`),"stroke-width":this.getAttr(`line-width`),fill:this.getAttr(`fill`)}),t.link&&l.attr(`href`,t.link),t.target&&l.attr(`target`,t.target),t.key&&(l.node.id=t.key),l.node.setAttribute(`class`,this.getAttr(`class`)),this.text.attr({y:l.getBBox().height/2}),this.group.push(l),l.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);let e=this.getAttr(`line-length`);if(this.bottom_symbol){let t=this.getBottom();this.bottom_symbol.isPositioned||(this.bottom_symbol.shiftY(this.getY()+this.height+e),this.bottom_symbol.setX(t.x-this.bottom_symbol.width/2),this.bottom_symbol.isPositioned=!0,this.bottom_symbol.render())}if(this.right_symbol){let t=this.getRight();if(!this.right_symbol.isPositioned){this.right_symbol.setY(t.y-this.right_symbol.height/2),this.right_symbol.shiftX(this.group.getBBox().x+this.width+e);let n=()=>{let t=!1,r;for(r of this.chart.symbols)if(!this.params[`align-next`]||this.params[`align-next`]!==`no`){let e=Math.abs(r.getCenter().x-this.right_symbol.getCenter().x);if(r.getCenter().y>this.right_symbol.getCenter().y&&e<=this.right_symbol.width/2){t=!0;break}}if(t){if(this.right_symbol.symbolType===`end`)return;this.right_symbol.setX(r.getX()+r.width+e),n()}};n(),this.right_symbol.isPositioned=!0,this.right_symbol.render()}}if(this.left_symbol){let t=this.getLeft();if(!this.left_symbol.isPositioned){this.left_symbol.setY(t.y-this.left_symbol.height/2),this.left_symbol.shiftX(-(this.group.getBBox().x+this.width+e));let n=()=>{let t=!1,r;for(r of this.chart.symbols)if(!this.params[`align-next`]||this.params[`align-next`]!==`no`){let e=Math.abs(r.getCenter().x-this.left_symbol.getCenter().x);if(r.getCenter().y>this.left_symbol.getCenter().y&&e<=this.left_symbol.width/2){t=!0;break}}if(t){if(this.left_symbol.symbolType===`end`)return;this.left_symbol.setX(r.getX()+r.width+e),n()}};n(),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`)||`Yes`,this.yes_direction),this.no_symbol&&this.drawLineTo(this.no_symbol,this.no_annotation||this.getAttr(`no-text`)||`No`,this.no_direction)}},u=class extends c{path1_direction;path1_symbol;path1_annotation;path2_direction;path2_symbol;path2_annotation;path3_direction;path3_symbol;path3_annotation;top_symbol;bottom_symbol;left_symbol;right_symbol;path1;path2;path3;textMargin;params;constructor(e,t={}){let n=e.paper.rect(0,0,0,0);super(e,t,n),this.path1_annotation=t.path1_annotation||``,this.path2_annotation=t.path2_annotation||``,this.path3_annotation=t.path3_annotation||``,this.textMargin=this.getAttr(`text-margin`),this.path1_direction=`bottom`,this.path2_direction=`right`,this.path3_direction=`top`,t.direction_next===`path1`&&!t[t.direction_next]&&t.next&&(t[t.direction_next]=t.next),t.direction_next===`path2`&&!t[t.direction_next]&&t.next&&(t[t.direction_next]=t.next),t.direction_next===`path3`&&!t[t.direction_next]&&t.next&&(t[t.direction_next]=t.next),t.path1&&t.direction_path1&&t.path2&&!t.direction_path2&&t.path3&&!t.direction_path3?t.direction_path1===`right`?(this.path2_direction=`bottom`,this.path1_direction=`right`,this.path3_direction=`top`):t.direction_path1===`top`?(this.path2_direction=`right`,this.path1_direction=`top`,this.path3_direction=`bottom`):t.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`):t.path1&&!t.direction_path1&&t.path2&&t.direction_path2&&t.path3&&!t.direction_path3?t.direction_path2===`right`?(this.path1_direction=`bottom`,this.path2_direction=`right`,this.path3_direction=`top`):t.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`):t.path1&&!t.direction_path1&&t.path2&&!t.direction_path2&&t.path3&&t.direction_path3?t.direction_path2===`right`?(this.path1_direction=`bottom`,this.path2_direction=`top`,this.path3_direction=`right`):t.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=t.direction_path1,this.path2_direction=t.direction_path2,this.path3_direction=t.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);let e=this.getAttr(`line-length`);if(this.bottom_symbol){let t=this.getBottom();this.bottom_symbol.isPositioned||(this.bottom_symbol.shiftY(this.getY()+this.height+e),this.bottom_symbol.setX(t.x-this.bottom_symbol.width/2),this.bottom_symbol.isPositioned=!0,this.bottom_symbol.render())}if(this.top_symbol){let t=this.getTop();this.top_symbol.isPositioned||(this.top_symbol.shiftY(this.getY()-this.top_symbol.height-e),this.top_symbol.setX(t.x+this.top_symbol.width),this.top_symbol.isPositioned=!0,this.top_symbol.render())}if(this.left_symbol){let t=this.getLeft();if(!this.left_symbol.isPositioned){this.left_symbol.setY(t.y-this.left_symbol.height/2),this.left_symbol.shiftX(-(this.group.getBBox().x+this.width+e));let n=()=>{let t=!1,r;for(r of this.chart.symbols)if(!this.params[`align-next`]||this.params[`align-next`]!==`no`){let e=Math.abs(r.getCenter().x-this.left_symbol.getCenter().x);if(r.getCenter().y>this.left_symbol.getCenter().y&&e<=this.left_symbol.width/2){t=!0;break}}if(t){if(this.left_symbol.symbolType===`end`)return;this.left_symbol.setX(r.getX()+r.width+e),n()}};n(),this.left_symbol.isPositioned=!0,this.left_symbol.render()}}if(this.right_symbol){let t=this.getRight();if(!this.right_symbol.isPositioned){this.right_symbol.setY(t.y-this.right_symbol.height/2),this.right_symbol.shiftX(this.group.getBBox().x+this.width+e);let n=()=>{let t=!1,r;for(r of this.chart.symbols)if(!this.params[`align-next`]||this.params[`align-next`]!==`no`){let e=Math.abs(r.getCenter().x-this.right_symbol.getCenter().x);if(r.getCenter().y>this.right_symbol.getCenter().y&&e<=this.right_symbol.width/2){t=!0;break}}if(t){if(this.right_symbol.symbolType===`end`)return;this.right_symbol.setX(r.getX()+r.width+e),n()}};n(),this.right_symbol.isPositioned=!0,this.right_symbol.render()}}}renderLines(){this.path1_symbol&&this.drawLineTo(this.path1_symbol,this.path1_annotation,this.path1_direction),this.path2_symbol&&this.drawLineTo(this.path2_symbol,this.path2_annotation,this.path2_direction),this.path3_symbol&&this.drawLineTo(this.path3_symbol,this.path3_annotation,this.path3_direction)}},d=(e,...t)=>{if(t.length===0)return e;let n=t.shift();return Object.keys(n).forEach(t=>{typeof e[t]==`object`&&!Array.isArray(e[t])&&typeof n[t]==`object`&&!Array.isArray(n[t])?d(e[t],n[t]):typeof n[t]==`object`?Array.isArray(n[t])?e[t]=[...n[t]]:e[t]={...n[t]}:e[t]=n[t]}),d(e,...t)},f=class{options;symbols=[];lines=[];start=null;paper;minXFromSymbols=0;maxXFromLine=0;constructor(e,t={}){this.paper=new r(e,t.width,t.height),this.options=d(t,i)}handle(e){return this.symbols.includes(e)||this.symbols.push(e),e instanceof l?(e.yes=t=>(e.yes_symbol=t,e.no_symbol&&(e.pathOk=!0),this.handle(t)),e.no=t=>(e.no_symbol=t,e.yes_symbol&&(e.pathOk=!0),this.handle(t))):e instanceof u?(e.path1=t=>(e.path1_symbol=t,e.path2_symbol&&(e.pathOk=!0),this.handle(t)),e.path2=t=>(e.path2_symbol=t,e.path3_symbol&&(e.pathOk=!0),this.handle(t)),e.path3=t=>(e.path3_symbol=t,e.path1_symbol&&(e.pathOk=!0),this.handle(t))):e.then=t=>(e.next=t,e.pathOk=!0,this.handle(t)),e}startWith(e){return this.start=e,this.handle(e)}render(){let e=this.symbols.reduce((e,{width:t})=>Math.max(e,t),0),t=this.symbols.reduce((e,{height:t})=>Math.max(e,t),0);this.symbols.forEach(n=>{n.shiftX(this.options.x+(e-n.width)/2+this.options[`line-width`]),n.shiftY(this.options.y+(t-n.height)/2+this.options[`line-width`])}),this.start.render(),this.symbols.forEach(e=>{e.renderLines()});let n=this.maxXFromLine,r=0,i=0,a=0;this.symbols.forEach(e=>{let t=e.getX(),a=t+e.width,o=e.getY()+e.height;t<i&&(i=t),a>n&&(n=a),o>r&&(r=o)}),this.lines.forEach(e=>{let{x:t,y:o,x2:s,y2:c}=e.getBBox();t<i&&(i=t),o<a&&(a=o),s>n&&(n=s),c>r&&(r=c)});let o=this.options.scale,s=this.options[`line-width`];this.minXFromSymbols<i&&(i=this.minXFromSymbols),i<0&&(i-=s),a<0&&(a-=s);let c=n+s-i,l=r+s-a;this.paper.setSize(c*o,l*o),this.paper.setViewBox(i,a,c,l,!0)}clean(){if(this.paper){let e=this.paper.canvas;e.parentNode&&e.parentNode.removeChild(e)}}},p=class extends c{constructor(e,t={}){let n=e.paper.rect(0,0,0,0,20);super(e,{text:`End`,...t},n)}},m=class extends c{then;textMargin;constructor(e,t={}){super(e,t),this.textMargin=this.getAttr(`text-margin`),this.text.attr({x:this.textMargin*3});let n=this.text.getBBox().width+4*this.textMargin,r=this.text.getBBox().height+2*this.textMargin,i=this.textMargin,a=r/2,s=o(e,{x:i,y:a},[{x:i-this.textMargin,y:r},{x:i-this.textMargin+n,y:r},{x:i-this.textMargin+n+2*this.textMargin,y:0},{x:i-this.textMargin+2*this.textMargin,y:0},{x:i,y:a}]);s.attr({stroke:this.getAttr(`element-color`),"stroke-width":this.getAttr(`line-width`),fill:this.getAttr(`fill`)}),t.link&&s.attr(`href`,t.link),t.target&&s.attr(`target`,t.target),t.key&&(s.node.id=t.key),s.node.setAttribute(`class`,this.getAttr(`class`)),this.text.attr({y:s.getBBox().height/2}),this.group.push(s),s.insertBefore(this.text),this.symbol=s,this.initialize()}getLeft(){return{x:this.getX()+this.textMargin,y:this.getY()+this.group.getBBox().height/2}}getRight(){return{x:this.getX()+this.group.getBBox().width-this.textMargin,y:this.getY()+this.group.getBBox().height/2}}},h=class extends c{then;constructor(e,t={}){let n=e.paper.rect(0,0,0,0,0);super(e,{text:`End`,...t},n)}},g=class extends c{then;constructor(e,t={}){let n=e.paper.rect(0,0,0,0,20);super(e,{text:`Start`,...t},n)}},_=class extends c{then;constructor(e,t={}){let n=e.paper.rect(0,0,0,0);super(e,t,n),n.attr({width:this.text.getBBox().width+4*this.getAttr(`text-margin`)}),this.text.attr({x:2*this.getAttr(`text-margin`)});let r=e.paper.rect(0,0,0,0);r.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`)}),t.key&&(r.node.id=`${t.key}i`);let i=this.getAttr(`font`),a=this.getAttr(`font-family`),o=this.getAttr(`font-weight`);i&&r.attr({font:i}),a&&r.attr({"font-family":a}),o&&r.attr({"font-weight":o}),t.link&&r.attr(`href`,t.link),t.target&&r.attr(`target`,t.target),this.group.push(r),r.insertBefore(this.text),this.initialize()}},v=()=>({symbols:{},start:null,diagram:null,draw(e,t={}){this.diagram&&this.diagram.clean();let n=new f(e,t);this.diagram=n;let r={},i=e=>{let{key:t,symbolType:i}=e;if(r[t])return r[t];switch(i){case`start`:r[t]=new g(n,e);break;case`end`:r[t]=new p(n,e);break;case`operation`:r[t]=new h(n,e);break;case`inputoutput`:r[t]=new m(n,e);break;case`subroutine`:r[t]=new _(n,e);break;case`condition`:r[t]=new l(n,e);break;case`parallel`:r[t]=new u(n,e);break;default:throw Error(`Unknown symbol type ${i}!`)}return r[t]},a=(e,t,r)=>{let o=i(e);return this.start===e?n.startWith(o):t&&r&&!t.pathOk&&(t instanceof l?(r.yes===e&&t.yes(o),r.no===e&&t.no(o)):t instanceof u?(r.path1===e&&t.path1(o),r.path2===e&&t.path2(o),r.path3===e&&t.path3(o)):t.then(o)),o.pathOk||(o instanceof l?(e.yes&&a(e.yes,o,e),e.no&&a(e.no,o,e)):o instanceof u?(e.path1&&a(e.path1,o,e),e.path2&&a(e.path2,o,e),e.path3&&a(e.path3,o,e)):e.next&&a(e.next,o,e)),o};a(this.start),n.render()},clean(){this.diagram?.clean()},options(){return this.diagram?.options??{}}}),y=e=>{let t=[],n=0;for(let r=1;r<e.length;r++)if(e[r]===`
`&&e[r-1]!==`\\`){let i=e.substring(n,r);n=r+1,t.push(i.replace(/\\\n/g,`
`))}n<e.length&&t.push(e.substring(n));for(let e=1,{length:n}=t;e<n;){let r=t[e];!r.includes(`->`)&&!r.includes(`=>`)&&!r.includes(`@>`)?(t[e-1]+=`
${r}`,t.splice(e,1),n--):e++}return t},b=e=>{let t=e.indexOf(`(`)+1,n=e.indexOf(`)`);return t>=0&&n>=0?e.substring(t,n):`{}`},x=e=>{let t=e.indexOf(`(`)+1,n=e.indexOf(`)`);return t>=0&&n>=0?e.substring(t,n):``},S=(e,t)=>{let n=e.indexOf(`(`)+1,r=e.indexOf(`)`);return n>=0&&r>=0?t.symbols[e.substring(0,n-1)]:t.symbols[e]},C=e=>{let t=e.indexOf(`(`)+1,n=e.indexOf(`)`),r=e.substring(t,n);r.indexOf(`,`)>0&&(r=r.substring(0,r.indexOf(`,`)));let i=r.split(`@`);return i.length>1&&t>=0&&n>=0?i[1]:``},w=(e=``)=>{let t=v(),n=y(e.trim());for(;n.length>0;){let e=n.splice(0,1)[0].trim();if(e.includes(`=>`)){let n=e.split(`=>`),r={key:n[0].replace(/\(.*\)/,``),symbolType:n[1],text:null,link:null,target:null,flowstate:null,function:null,lineStyle:{},params:{}},i=/\((.*)\)/.exec(n[0]);if(i&&i.length>1){let e=i[1].split(`,`);for(let t=0;t<e.length;t++){let n=e[t].split(`=`);n.length==2&&(r.params[n[0]]=n[1])}}let a;if(r.symbolType.includes(`: `)&&(a=r.symbolType.split(`: `),r.symbolType=a.shift(),r.text=a.join(`: `)),r.text?.includes(`:$`)?(a=r.text.split(`:$`),r.text=a.shift(),r.function=a.join(`:$`)):r.symbolType.includes(`:$`)?(a=r.symbolType.split(`:$`),r.symbolType=a.shift(),r.function=a.join(`:$`)):r.text?.includes(`:>`)?(a=r.text.split(`:>`),r.text=a.shift(),r.link=a.join(`:>`)):r.symbolType.includes(`:>`)&&(a=r.symbolType.split(`:>`),r.symbolType=a.shift(),r.link=a.join(`:>`)),r.symbolType.includes(`
`)&&(r.symbolType=r.symbolType.split(`
`)[0]),r.link){let e=r.link.indexOf(`[`)+1,t=r.link.indexOf(`]`);e>=0&&t>=0&&(r.target=r.link.substring(e,t),r.link=r.link.substring(0,e-1))}if(r.text&&r.text.includes(`|`)){let e=r.text.split(`|`);r.flowstate=e.pop().trim(),r.text=e.join(`|`)}t.symbols[r.key]=r}else if(e.includes(`->`)){let n=C(e);n&&(e=e.replace(`@`+n,``));let r=e.split(`->`);for(let e=0,i=r.length;e<i;e++){let a=r[e],o=x(a);(o===`true`||o===`false`)&&(a=a.replace(`true`,`yes`),a=a.replace(`false`,`no`));let s=(e=>{let t=`next`,n=e.indexOf(`(`)+1,r=e.indexOf(`)`);return n>=0&&r>=0&&(t=a.substring(n,r),t.includes(`,`)||t!==`yes`&&t!==`no`&&(t=`next, ${t}`)),t})(a),c=S(a,t),l=null;if(s.includes(`,`)){let e=s.split(`,`);s=e[0],l=e[1].trim()}if(n&&=(c.symbolType===`condition`?s==`yes`||s==`true`?c.yes_annotation=n:c.no_annotation=n:c.symbolType===`parallel`&&(s===`path1`?c.path1_annotation=n:s===`path2`?c.path2_annotation=n:s===`path3`&&(c.path3_annotation=n)),null),t.start||=c,e+1<i){let n=r[e+1];c[s]=S(n,t),c[`direction_`+s]=l,l=null}}}else if(e.includes(`@>`)){let n=e.split(`@>`);for(let e=0,r=n.length;e<r;e++)if(e+1!==r){let r=S(n[e],t),i=S(n[e+1],t);r.lineStyle[i.key]=JSON.parse(b(n[e+1]))}}}return t};export{w as parse};