discourse-math/public/mathjax/extensions/a11y/semantic-enrich.js

1 line
3.2 KiB
JavaScript

MathJax.Extension["semantic-enrich"]={version:"1.5.0",config:MathJax.Hub.CombineConfig("semantic-enrich",{disabled:!1}),dependents:[],running:!1,mstyleLookup:{mi:["mathvariant"],mo:["mathvariant","accent","largeop","form","fence","separator","movablelimits"],mn:["mathvariant"],mtext:["mathvariant"],ms:["mathvariant"],mfrac:["linethickness"],mfenced:["open","close","separators"],menclose:["notation"],munder:["accentunder"],mover:["accent"],munderover:["accent","accentunder"]},Filter:function(a,b,c){if(delete a.enriched,!this.config.disabled)try{this.running=!0;var d=sre.Enrich.semanticMathmlSync(a.root.toMathML());a.root=MathJax.InputJax.MathML.Parse.prototype.MakeMML(d),a.root.inputID=c.id,a.enriched=!0,this.running=!1}catch(a){throw this.running=!1,a}},Enable:function(a,b){this.config.disabled=!1,a&&MathJax.Hub.Queue(["Reprocess",MathJax.Hub])},Disable:function(a,b){this.config.disabled=!0;for(var c=this.dependents.length-1;c>=0;c--){var d=this.dependents[c];d.Disable&&d.Disable(!1,b)}a&&MathJax.Hub.Queue(["Reprocess",MathJax.Hub])},Dependent:function(a){this.dependents.push(a)}},function(){var a=MathJax.Ajax.config.path;a.a11y||(a.a11y=HUB.config.root+"/extensions/a11y"),a.SRE||(a.SRE=MathJax.Ajax.fileURL(a.a11y)),MathJax.Ajax.Load("[SRE]/mathjax-sre.js"),MathJax.Hub.Register.StartupHook("Sre Ready",["loadComplete",MathJax.Ajax,"[SRE]/mathjax-sre.js"])}(),MathJax.Callback.Queue(["Require",MathJax.Ajax,"[MathJax]/jax/element/mml/jax.js"],["Require",MathJax.Ajax,"[MathJax]/jax/input/MathML/config.js"],["Require",MathJax.Ajax,"[MathJax]/jax/input/MathML/jax.js"],["Require",MathJax.Ajax,"[MathJax]/extensions/toMathML.js"],MathJax.Hub.Register.StartupHook("Sre Ready",function(){var a=MathJax.ElementJax.mml,b=MathJax.Extension["semantic-enrich"];a.mbase.Augment({toMathMLattributes:function(){var c="mstyle"===this.type?a.math.prototype.defaults:this.defaults,d=this.attrNames||a.copyAttributeNames,e=a.skipAttributes,f=a.copyAttributes,g=b.running?b.mstyleLookup[this.type]||[]:[],h=[],i=this.attr||{};if("math"!==this.type||this.attr&&"xmlns"in this.attr||h.push('xmlns="http://www.w3.org/1998/Math/MathML"'),!this.attrNames)for(var j in c)e[j]||f[j]||!c.hasOwnProperty(j)||null!=this[j]&&this[j]!==c[j]&&this.Get(j,null,1)!==this[j]&&this.toMathMLaddAttr(h,j,this[j]);for(var k=0,l=d.length;k<l;k++)(1!==f[d[k]]||c.hasOwnProperty(d[k]))&&(value=i[d[k]],null==value&&(value=this[d[k]]),null!=value&&this.toMathMLaddAttr(h,d[k],value));for(k=0,l=g.length;k<l;k++)j=g[k],c.hasOwnProperty(j)&&!h["_"+j]&&(value=this.Get(j,1),null!=value&&this.toMathMLaddAttr(h,j,value));return this.toMathMLclass(h),h.length?" "+h.join(" "):""},toMathMLaddAttr:function(a,b,c){a.push(b+'="'+this.toMathMLquote(c)+'"'),a["_"+b]=1}});var c=a.mo.prototype.setTeXclass;a.mo.Augment({setTeXclass:function(b){this.getValues("form","lspace","rspace");return this.useMMLspacing?(this.texClass=a.TEXCLASS.NONE,this):this.attr&&this.attr["data-semantic-added"]?(this.texClass=this.prevClass=a.TEXCLASS.NONE,b):c.apply(this,arguments)}})}),function(){MathJax.Hub.postInputHooks.Add(["Filter",MathJax.Extension["semantic-enrich"]],50),MathJax.Hub.Startup.signal.Post("Semantic Enrich Ready"),MathJax.Ajax.loadComplete("[a11y]/semantic-enrich.js")});