imsc
Version:
Renders IMSC documents to HTML5 fragments
100 lines • 56 kB
JavaScript
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"Two <tt> elements at ("+this.line+","+this.column+")"),u=new q,u.initFromNode(b,E[0],c),f.unshift(u);else if("head"===b.local)f[0]instanceof q||G(c,"Parent of <head> element is not <tt> at ("+this.line+","+this.column+")"),f.unshift(u.head);else if("styling"===b.local)f[0]instanceof l||G(c,"Parent of <styling> element is not <head> at ("+this.line+","+this.column+")"),f.unshift(u.head.styling);else if("style"===b.local)if(f[0]instanceof p){var g=new C;g.initFromNode(b,c);g.id?u.head.styling.styles[g.id]=
g:H(c,"<style> element missing @id attribute");f.unshift(g)}else f[0]instanceof w?(g=new C,g.initFromNode(b,c),R(g.styleAttrs,f[0].styleAttrs),f.unshift(g)):G(c,"Parent of <style> element is not <styling> or <region> at ("+this.line+","+this.column+")");else if("initial"===b.local)if(f[0]instanceof p){a=new A;a.initFromNode(b,c);for(g in a.styleAttrs)a.styleAttrs.hasOwnProperty(g)&&(u.head.styling.initials[g]=a.styleAttrs[g]);f.unshift(a)}else G(c,"Parent of <initial> element is not <styling> at ("+
this.line+","+this.column+")");else if("layout"===b.local)f[0]instanceof l||G(c,"Parent of <layout> element is not <head> at "+this.line+","+this.column+")"),f.unshift(u.head.layout);else if("region"===b.local)f[0]instanceof x||G(c,"Parent of <region> element is not <layout> at "+this.line+","+this.column+")"),g=new w,g.initFromNode(u,b,E[0],c),!g.id||g.id in u.head.layout.regions?H(c,"Ignoring <region> with duplicate or missing @id at "+this.line+","+this.column+")"):u.head.layout.regions[g.id]=
g,f.unshift(g);else if("body"===b.local)f[0]instanceof q||G(c,"Parent of <body> element is not <tt> at "+this.line+","+this.column+")"),null!==u.body&&G(c,"Second <body> element at "+this.line+","+this.column+")"),g=new N,g.initFromNode(u,b,E[0],c),u.body=g,f.unshift(g);else if("div"===b.local){f[0]instanceof L||f[0]instanceof N||G(c,"Parent of <div> element is not <body> or <div> at "+this.line+","+this.column+")");g=new L;g.initFromNode(u,f[0],b,E[0],c);if(a=g.styleAttrs[r.byName.backgroundImage.qname])g.contents.push(new F(a)),
delete g.styleAttrs[r.byName.backgroundImage.qname];f[0].contents.push(g);f.unshift(g)}else"image"===b.local?(f[0]instanceof L||G(c,"Parent of <image> element is not <div> at "+this.line+","+this.column+")"),g=new F,g.initFromNode(u,f[0],b,E[0],c),f[0].contents.push(g),f.unshift(g)):"p"===b.local?(f[0]instanceof L||G(c,"Parent of <p> element is not <div> at "+this.line+","+this.column+")"),g=new n,g.initFromNode(u,f[0],b,E[0],c),f[0].contents.push(g),f.unshift(g)):"span"===b.local?(f[0]instanceof
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w||f[0]instanceof z||G(c,"Parent of <set> element is not a content element or a region at "+this.line+","+this.column+")"),g=new T,g.initFromNode(u,f[0],b,c),f[0].sets.push(g),f.unshift(g)):f.unshift(new h(b));else f.unshift(new h(b));if(f[0]instanceof h)if(b.uri===k.ns_tt&&"metadata"===b.local)M++;else if(0<M&&e&&"onOpenTag"in e){g=[];for(var v in b.attributes)g[b.attributes[v].uri+" "+b.attributes[v].local]={uri:b.attributes[v].uri,local:b.attributes[v].local,value:b.attributes[v].value};e.onOpenTag(b.uri,
b.local,g)}};g.write(b).close();delete u.head.styling.styles;b=!1;for(var m in u.head.layout.regions)if(u.head.layout.regions.hasOwnProperty(m)){b=!0;break}b||(m=w.prototype.createDefaultRegion(u.lang),u.head.layout.regions[m.id]=m);for(var B in u.head.layout.regions)u.head.layout.regions.hasOwnProperty(B)&&a(u,u.head.layout.regions[B],null,null);u.body&&a(u,u.body,null,null);u.body&&v(u.body);return u};q.prototype.initFromNode=function(b,c,a){var g=K(b,k.ns_ttp,"cellResolution"),e=15;var f=32;null!==
g&&(g=/(\d+) (\d+)/.exec(g),null!==g?(f=parseInt(g[1]),e=parseInt(g[2])):I(a,"Malformed cellResolution value (using initial value instead)"));this.cellLength={h:new m.ComputedLength(0,1/e),w:new m.ComputedLength(1/f,0)};e=K(b,k.ns_ttp,"frameRate");g=30;null!==e&&(f=/(\d+)/.exec(e),null!==f?g=parseInt(f[1]):I(a,"Malformed frame rate attribute (using initial value instead)"));f=K(b,k.ns_ttp,"frameRateMultiplier");var h=1;null!==f&&(f=/(\d+) (\d+)/.exec(f),null!==f?h=parseInt(f[1])/parseInt(f[2]):I(a,
"Malformed frame rate multiplier attribute (using initial value instead)"));g*=h;h=1;f=K(b,k.ns_ttp,"tickRate");null===f?null!==e&&(h=g):(f=/(\d+)/.exec(f),null!==f?h=parseInt(f[1]):I(a,"Malformed tick rate attribute (using initial value instead)"));this.effectiveFrameRate=g;this.tickRate=h;f=K(b,k.ns_ittp,"aspectRatio");null===f&&(f=K(b,k.ns_ttp,"displayAspectRatio"));e=null;null!==f&&(g=/(\d+)\s+(\d+)/.exec(f),null!==g?(f=parseInt(g[1]),g=parseInt(g[2]),0!==f&&0!==g?e=f/g:H(a,"Illegal aspectRatio values (ignoring)")):
H(a,"Malformed aspectRatio attribute (ignoring)"));this.aspectRatio=e;e=K(b,k.ns_ttp,"timeBase");null!==e&&"media"!==e&&G(a,"Unsupported time base");b=X(b,a);null===b?this.pxLength={h:null,w:null}:("px"===b.h.unit&&"px"===b.w.unit||G(a,"Extent on TT must be in px or absent"),this.pxLength={h:new m.ComputedLength(0,1/b.h.value),w:new m.ComputedLength(1/b.w.value,0)});this.dimensions={h:new m.ComputedLength(0,1),w:new m.ComputedLength(1,0)};this.lang=c};q.prototype._registerEvent=function(b){if(!(b.end<=
b.begin)){var c=W(this.events,b.begin);c.found||this.events.splice(c.index,0,b.begin);b.end!==Number.POSITIVE_INFINITY&&(c=W(this.events,b.end),c.found||this.events.splice(c.index,0,b.end))}};q.prototype.getMediaTimeRange=function(){return[this.events[0],this.events[this.events.length-1]]};q.prototype.getMediaTimeEvents=function(){return this.events};C.prototype.initFromNode=function(b,c){this.id=S(b);this.styleAttrs=O(b,c);this.styleRefs=P(b)};A.prototype.initFromNode=function(b,c){this.styleAttrs=
{};for(var a in b.attributes)if(b.attributes[a].uri===k.ns_itts||b.attributes[a].uri===k.ns_ebutts||b.attributes[a].uri===k.ns_tts)this.styleAttrs[b.attributes[a].uri+" "+b.attributes[a].local]=b.attributes[a].value};F.prototype.initFromNode=function(a,e,h,l,q){(this.src="src"in h.attributes?h.attributes.src.value:null)||H(q,"Invalid image@src attribute");(this.type="type"in h.attributes?h.attributes.type.value:null)||H(q,"Invalid image@type attribute");g.prototype.initFromNode.call(this,a,e,h,q);
f.prototype.initFromNode.call(this,a,e,h,q);c.prototype.initFromNode.call(this,a,e,h,q);b.prototype.initFromNode.call(this,a,e,h,q);this.lang=l};B.prototype.initFromNode=function(b,c,a,g){this.id=S(a)};b.prototype.initFromNode=function(b,c,a,g){this.regionID=a&&"region"in a.attributes?a.attributes.region.value:""};g.prototype.initFromNode=function(b,c,a,g){this.styleAttrs=O(a,g);null!==b.head&&null!==b.head.styling&&V(b.head.styling,P(a),this.styleAttrs,g)};c.prototype.initFromNode=function(b,c,a,
g){this.sets=[]};e.prototype.initFromNode=function(b,c,a,g){this.contents=[]};f.prototype.initFromNode=function(b,c,a,g){c=null;a&&"begin"in a.attributes&&(c=Q(b.tickRate,b.effectiveFrameRate,a.attributes.begin.value),null===c&&I(g,"Malformed begin value "+a.attributes.begin.value+" (using 0)"));var f=null;a&&"dur"in a.attributes&&(f=Q(b.tickRate,b.effectiveFrameRate,a.attributes.dur.value),null===f&&I(g,"Malformed dur value "+a.attributes.dur.value+" (ignoring)"));var e=null;a&&"end"in a.attributes&&
(e=Q(b.tickRate,b.effectiveFrameRate,a.attributes.end.value),null===e&&I(g,"Malformed end value (ignoring)"));this.explicit_begin=c;this.explicit_end=e;this.explicit_dur=f;(b=a&&"timeContainer"in a.attributes?a.attributes.timeContainer.value:null)&&"par"!==b?"seq"===b?g="seq":(H(g,"Illegal value of timeContainer (assuming 'par')"),g="par"):g="par";this.timeContainer=g};N.prototype.initFromNode=function(a,h,q,l){g.prototype.initFromNode.call(this,a,null,h,l);f.prototype.initFromNode.call(this,a,null,
h,l);c.prototype.initFromNode.call(this,a,null,h,l);b.prototype.initFromNode.call(this,a,null,h,l);e.prototype.initFromNode.call(this,a,null,h,l);this.lang=q};L.prototype.initFromNode=function(a,h,l,q,n){g.prototype.initFromNode.call(this,a,h,l,n);f.prototype.initFromNode.call(this,a,h,l,n);c.prototype.initFromNode.call(this,a,h,l,n);b.prototype.initFromNode.call(this,a,h,l,n);e.prototype.initFromNode.call(this,a,h,l,n);this.lang=q};n.prototype.initFromNode=function(a,h,l,q,n){g.prototype.initFromNode.call(this,
a,h,l,n);f.prototype.initFromNode.call(this,a,h,l,n);c.prototype.initFromNode.call(this,a,h,l,n);b.prototype.initFromNode.call(this,a,h,l,n);e.prototype.initFromNode.call(this,a,h,l,n);this.lang=q};y.prototype.initFromNode=function(a,h,l,q,n,k){g.prototype.initFromNode.call(this,a,h,l,k);f.prototype.initFromNode.call(this,a,h,l,k);c.prototype.initFromNode.call(this,a,h,l,k);b.prototype.initFromNode.call(this,a,h,l,k);e.prototype.initFromNode.call(this,a,h,l,k);this.space=n;this.lang=q};t.prototype.initFromText=
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