imsc/build/umd/imsc.min.js

Renders IMSC 1.1 documents to HTML5 fragments

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p.byName.ruby.qname in b.contents[d].styleAttrs?r(b.contents[d]):delete b.contents[d]}}function a(b,d,g,c){var e=c&&"seq"===c.timeContainer,A=0;c&&(A=e&&g?g.end:c.begin);d.begin=d.explicit_begin?d.explicit_begin+A:A;g=d.begin;c=null;for(var z in d.sets)a(b,d.sets[z],c,d),g="seq"===d.timeContainer?d.sets[z].end:Math.max(g,d.sets[z].end),c=d.sets[z];if("contents"in d)for(var F in d.contents)a(b,d.contents[F],c,d),g="seq"===d.timeContainer?d.contents[F].end:Math.max(g,d.contents[F].end),c=d.contents[F];
else g=e?d.begin:Number.POSITIVE_INFINITY;d.end=null!==d.explicit_end&&null!==d.explicit_dur?Math.min(d.begin+d.explicit_dur,A+d.explicit_end):null===d.explicit_end&&null!==d.explicit_dur?d.begin+d.explicit_dur:null!==d.explicit_end&&null===d.explicit_dur?A+d.explicit_end:g;delete d.explicit_begin;delete d.explicit_dur;delete d.explicit_end;b._registerEvent(d)}function e(b){this.node=b}function m(){this.events=[];this.head=new c;this.body=null}function c(){this.styling=new b;this.layout=new z}function b(){this.styles=
{};this.initials={}}function d(){this.styleRefs=this.styleAttrs=this.id=null}function g(){this.styleAttrs=null}function z(){this.regions={}}function L(b,d){this.kind="image";this.src=b;this.type=d}function H(b){this.id=b}function k(b){this.regionID=b}function C(b){this.styleAttrs=b}function n(b){this.sets=b}function B(b){this.contents=b}function v(b,d,a){this.explicit_begin=b;this.explicit_end=d;this.explicit_dur=a}function y(){this.kind="body"}function w(){this.kind="div"}function t(){this.kind=
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K(d,"zIndex attribute present but not used by IMSC1 since regions do not overlap")):I(d,"Cannot parse styling attribute "+c+" --\x3e "+b.attributes[g].value)}}return a}function M(b,d,a){for(var g in b.attributes)if(b.attributes[g].uri===d&&b.attributes[g].local===a)return b.attributes[g].value;return null}function Y(b,d){b=M(b,h.ns_tts,"extent");if(null===b)return null;var a=b.split(" ");if(2!==a.length)return K(d,"Malformed extent (ignoring)"),null;b=q.parseLength(a[0]);a=q.parseLength(a[1]);return a&&
b?{h:a,w:b}:(K(d,"Malformed extent values (ignoring)"),null)}function R(b,d,a){var g=/^(\d{2,}):(\d\d):(\d\d(?:\.\d+)?)$/,c=/^(\d{2,}):(\d\d):(\d\d):(\d{2,})$/,e=/^(\d+(?:\.\d+)?)t$/,z=/^(\d+(?:\.\d+)?)ms$/,A=/^(\d+(?:\.\d+)?)s$/,F=/^(\d+(?:\.\d+)?)h$/,x=/^(\d+(?:\.\d+)?)m$/,m,h=null;null!==(m=/^(\d+(?:\.\d+)?)f$/.exec(a))?null!==d&&(h=parseFloat(m[1])/d):null!==(m=e.exec(a))?null!==b&&(h=parseFloat(m[1])/b):null!==(m=z.exec(a))?h=parseFloat(m[1])/1E3:null!==(m=A.exec(a))?h=parseFloat(m[1]):null!==
(m=F.exec(a))?h=3600*parseFloat(m[1]):null!==(m=x.exec(a))?h=60*parseFloat(m[1]):null!==(m=g.exec(a))?h=3600*parseInt(m[1])+60*parseInt(m[2])+parseFloat(m[3]):null!==(m=c.exec(a))&&null!==d&&(h=3600*parseInt(m[1])+60*parseInt(m[2])+parseInt(m[3])+(null===m[4]?0:parseInt(m[4])/d));return h}function V(b,d,a){for(;0<d.styleRefs.length;){var g=d.styleRefs.pop();g in b.styles?(V(b,b.styles[g],a),S(b.styles[g].styleAttrs,d.styleAttrs)):I(a,"Non-existant style id referenced")}}function W(b,d,a,g){for(var c=
d.length-1;0<=c;c--){var e=d[c];e in b.styles?S(b.styles[e].styleAttrs,a):I(g,"Non-existant style id referenced")}}function S(b,d){for(var a in b)a in d||(d[a]=b[a])}function K(b,d){if(b&&b.warn&&b.warn(d))throw d;}function I(b,d){if(b&&b.error&&b.error(d))throw d;}function E(b,d){b&&b.fatal&&b.fatal(d);throw d;}function X(b,d){for(var a=0,g=b.length-1,c;a<=g;){c=Math.floor((a+g)/2);var e=b[c];if(e<d)a=c+1;else if(e>d)g=c-1;else return{found:!0,index:c}}return{found:!1,index:a}}u.fromXML=function(A,
x,F){var n=f.parser(!0,{xmlns:!0}),l=[],u=[],C=[],H=0,k=null;n.onclosetag=function(d){if(l[0]instanceof b)for(var a in l[0].styles)V(l[0],l[0].styles[a],x);else if(l[0]instanceof t||l[0]instanceof G){if(1<l[0].contents.length){d=[l[0].contents[0]];for(a=1;a<l[0].contents.length;a++)l[0].contents[a]instanceof D&&d[d.length-1]instanceof D?d[d.length-1].text+=l[0].contents[a].text:d.push(l[0].contents[a]);l[0].contents=d}l[0]instanceof G&&1===l[0].contents.length&&l[0].contents[0]instanceof D&&(l[0].text=
l[0].contents[0].text,delete l[0].contents)}else if(l[0]instanceof e)if(l[0].node.uri===h.ns_tt&&"metadata"===l[0].node.local)H--;else if(0<H&&F&&"onCloseTag"in F)F.onCloseTag();C.shift();u.shift();l.shift()};n.ontext=function(b){if(void 0!==l[0])if(l[0]instanceof G||l[0]instanceof t){var d=new D;d.initFromText(k,l[0],b,C[0],x);l[0].contents.push(d)}else if(l[0]instanceof e&&0<H&&F&&"onText"in F)F.onText(b)};n.onopentag=function(a){var A=a.attributes["xml:space"];A?C.unshift(A.value):0===C.length?
C.unshift("default"):C.unshift(C[0]);(A=a.attributes["xml:lang"])?u.unshift(A.value):0===u.length?u.unshift(""):u.unshift(u[0]);if(a.uri===h.ns_tt)if("tt"===a.local)null!==k&&E(x,"Two <tt> elements at ("+this.line+","+this.column+")"),k=new m,k.initFromNode(a,x),l.unshift(k);else if("head"===a.local)l[0]instanceof m||E(x,"Parent of <head> element is not <tt> at ("+this.line+","+this.column+")"),l.unshift(k.head);else if("styling"===a.local)l[0]instanceof c||E(x,"Parent of <styling> element is not <head> at ("+
this.line+","+this.column+")"),l.unshift(k.head.styling);else if("style"===a.local)if(l[0]instanceof b){var n=new d;n.initFromNode(a,x);n.id?k.head.styling.styles[n.id]=n:I(x,"<style> element missing @id attribute");l.unshift(n)}else l[0]instanceof N?(n=new d,n.initFromNode(a,x),S(n.styleAttrs,l[0].styleAttrs),l.unshift(n)):E(x,"Parent of <style> element is not <styling> or <region> at ("+this.line+","+this.column+")");else if("initial"===a.local)if(l[0]instanceof b){A=new g;A.initFromNode(a,x);for(n in A.styleAttrs)k.head.styling.initials[n]=
A.styleAttrs[n];l.unshift(A)}else E(x,"Parent of <initial> element is not <styling> at ("+this.line+","+this.column+")");else if("layout"===a.local)l[0]instanceof c||E(x,"Parent of <layout> element is not <head> at "+this.line+","+this.column+")"),l.unshift(k.head.layout);else if("region"===a.local)l[0]instanceof z||E(x,"Parent of <region> element is not <layout> at "+this.line+","+this.column+")"),n=new N,n.initFromNode(k,a,x),!n.id||n.id in k.head.layout.regions?I(x,"Ignoring <region> with duplicate or missing @id at "+
this.line+","+this.column+")"):k.head.layout.regions[n.id]=n,l.unshift(n);else if("body"===a.local)l[0]instanceof m||E(x,"Parent of <body> element is not <tt> at "+this.line+","+this.column+")"),null!==k.body&&E(x,"Second <body> element at "+this.line+","+this.column+")"),n=new y,n.initFromNode(k,a,x),k.body=n,l.unshift(n);else if("div"===a.local){l[0]instanceof w||l[0]instanceof y||E(x,"Parent of <div> element is not <body> or <div> at "+this.line+","+this.column+")");n=new w;n.initFromNode(k,l[0],
a,x);if(A=n.styleAttrs[p.byName.backgroundImage.qname])n.contents.push(new L(A)),delete n.styleAttrs[p.byName.backgroundImage.qname];l[0].contents.push(n);l.unshift(n)}else"image"===a.local?(l[0]instanceof w||E(x,"Parent of <image> element is not <div> at "+this.line+","+this.column+")"),n=new L,n.initFromNode(k,l[0],a,x),l[0].contents.push(n),l.unshift(n)):"p"===a.local?(l[0]instanceof w||E(x,"Parent of <p> element is not <div> at "+this.line+","+this.column+")"),n=new t,n.initFromNode(k,l[0],a,
x),l[0].contents.push(n),l.unshift(n)):"span"===a.local?(l[0]instanceof G||l[0]instanceof t||E(x,"Parent of <span> element is not <span> or <p> at "+this.line+","+this.column+")"),n=new G,n.initFromNode(k,l[0],a,C[0],x),l[0].contents.push(n),l.unshift(n)):"br"===a.local?(l[0]instanceof G||l[0]instanceof t||E(x,"Parent of <br> element is not <span> or <p> at "+this.line+","+this.column+")"),n=new O,n.initFromNode(k,l[0],a,x),l[0].contents.push(n),l.unshift(n)):"set"===a.local?(l[0]instanceof G||l[0]instanceof
t||l[0]instanceof w||l[0]instanceof y||l[0]instanceof N||l[0]instanceof O||E(x,"Parent of <set> element is not a content element or a region at "+this.line+","+this.column+")"),n=new T,n.initFromNode(k,l[0],a,x),l[0].sets.push(n),l.unshift(n)):l.unshift(new e(a));else l.unshift(new e(a));if(l[0]instanceof e)if(a.uri===h.ns_tt&&"metadata"===a.local)H++;else if(0<H&&F&&"onOpenTag"in F){n=[];for(var f in a.attributes)n[a.attributes[f].uri+" "+a.attributes[f].local]={uri:a.attributes[f].uri,local:a.attributes[f].local,
value:a.attributes[f].value};F.onOpenTag(a.uri,a.local,n)}};n.write(A).close();delete k.head.styling.styles;A=!1;for(var q in k.head.layout.regions){A=!0;break}A||(q=N.prototype.createDefaultRegion(),k.head.layout.regions[q.id]=q);for(var v in k.head.layout.regions)a(k,k.head.layout.regions[v],null,null);k.body&&a(k,k.body,null,null);k.body&&r(k.body);return k};m.prototype.initFromNode=function(b,a){var d=M(b,h.ns_ttp,"cellResolution"),g=15;var c=32;null!==d&&(d=/(\d+) (\d+)/.exec(d),null!==d?(c=
parseInt(d[1]),g=parseInt(d[2])):K(a,"Malformed cellResolution value (using initial value instead)"));this.cellLength={h:new q.ComputedLength(0,1/g),w:new q.ComputedLength(1/c,0)};g=M(b,h.ns_ttp,"frameRate");d=30;null!==g&&(c=/(\d+)/.exec(g),null!==c?d=parseInt(c[1]):K(a,"Malformed frame rate attribute (using initial value instead)"));c=M(b,h.ns_ttp,"frameRateMultiplier");var e=1;null!==c&&(c=/(\d+) (\d+)/.exec(c),null!==c?e=parseInt(c[1])/parseInt(c[2]):K(a,"Malformed frame rate multiplier attribute (using initial value instead)"));
d*=e;e=1;c=M(b,h.ns_ttp,"tickRate");null===c?null!==g&&(e=d):(c=/(\d+)/.exec(c),null!==c?e=parseInt(c[1]):K(a,"Malformed tick rate attribute (using initial value instead)"));this.effectiveFrameRate=d;this.tickRate=e;c=M(b,h.ns_ittp,"aspectRatio");null===c&&(c=M(b,h.ns_ttp,"displayAspectRatio"));g=null;null!==c&&(d=/(\d+)\s+(\d+)/.exec(c),null!==d?(c=parseInt(d[1]),d=parseInt(d[2]),0!==c&&0!==d?g=c/d:I(a,"Illegal aspectRatio values (ignoring)")):I(a,"Malformed aspectRatio attribute (ignoring)"));this.aspectRatio=
g;g=M(b,h.ns_ttp,"timeBase");null!==g&&"media"!==g&&E(a,"Unsupported time base");b=Y(b,a);null===b?this.pxLength={h:null,w:null}:("px"===b.h.unit&&"px"===b.w.unit||E(a,"Extent on TT must be in px or absent"),this.pxLength={h:new q.ComputedLength(0,1/b.h.value),w:new q.ComputedLength(1/b.w.value,0)});this.dimensions={h:new q.ComputedLength(0,1),w:new q.ComputedLength(1,0)}};m.prototype._registerEvent=function(b){if(!(b.end<=b.begin)){var a=X(this.events,b.begin);a.found||this.events.splice(a.index,
0,b.begin);b.end!==Number.POSITIVE_INFINITY&&(a=X(this.events,b.end),a.found||this.events.splice(a.index,0,b.end))}};m.prototype.getMediaTimeRange=function(){return[this.events[0],this.events[this.events.length-1]]};m.prototype.getMediaTimeEvents=function(){return this.events};d.prototype.initFromNode=function(b,a){this.id=U(b);this.styleAttrs=Q(b,a);this.styleRefs=P(b)};g.prototype.initFromNode=function(b,a){this.styleAttrs={};for(var d in b.attributes)if(b.attributes[d].uri===h.ns_itts||b.attributes[d].uri===
h.ns_ebutts||b.attributes[d].uri===h.ns_tts)this.styleAttrs[b.attributes[d].uri+" "+b.attributes[d].local]=b.attributes[d].value};L.prototype.initFromNode=function(b,a,d,c){(this.src="src"in d.attributes?d.attributes.src.value:null)||I(c,"Invalid image@src attribute");(this.type="type"in d.attributes?d.attributes.type.value:null)||I(c,"Invalid image@type attribute");C.prototype.initFromNode.call(this,b,a,d,c);v.prototype.initFromNode.call(this,b,a,d,c);n.prototype.initFromNode.call(this,b,a,d,c);
k.prototype.initFromNode.call(this,b,a,d,c)};H.prototype.initFromNode=function(b,a,d,c){this.id=U(d)};k.prototype.initFromNode=function(b,a,d,c){this.regionID=d&&"region"in d.attributes?d.attributes.region.value:""};C.prototype.initFromNode=function(b,d,a,c){this.styleAttrs=Q(a,c);null!==b.head&&null!==b.head.styling&&W(b.head.styling,P(a),this.styleAttrs,c)};n.prototype.initFromNode=function(b,a,d,c){this.sets=[]};B.prototype.initFromNode=function(b,a,d,c){this.contents=[]};v.prototype.initFromNode=
function(b,a,d,c){a=null;d&&"begin"in d.attributes&&(a=R(b.tickRate,b.effectiveFrameRate,d.attributes.begin.value),null===a&&K(c,"Malformed begin value "+d.attributes.begin.value+" (using 0)"));var g=null;d&&"dur"in d.attributes&&(g=R(b.tickRate,b.effectiveFrameRate,d.attributes.dur.value),null===g&&K(c,"Malformed dur value "+d.attributes.dur.value+" (ignoring)"));var e=null;d&&"end"in d.attributes&&(e=R(b.tickRate,b.effectiveFrameRate,d.attributes.end.value),null===e&&K(c,"Malformed end value (ignoring)"));
this.explicit_begin=a;this.explicit_end=e;this.explicit_dur=g;(b=d&&"timeContainer"in d.attributes?d.attributes.timeContainer.value:null)&&"par"!==b?"seq"===b?c="seq":(I(c,"Illegal value of timeContainer (assuming 'par')"),c="par"):c="par";this.timeContainer=c};y.prototype.initFromNode=function(b,d,a){C.prototype.initFromNode.call(this,b,null,d,a);v.prototype.initFromNode.call(this,b,null,d,a);n.prototype.initFromNode.call(this,b,null,d,a);k.prototype.initFromNode.call(this,b,null,d,a);B.prototype.initFromNode.call(this,
b,null,d,a)};w.prototype.initFromNode=function(b,d,a,c){C.prototype.initFromNode.call(this,b,d,a,c);v.prototype.initFromNode.call(this,b,d,a,c);n.prototype.initFromNode.call(this,b,d,a,c);k.prototype.initFromNode.call(this,b,d,a,c);B.prototype.initFromNode.call(this,b,d,a,c)};t.prototype.initFromNode=function(b,d,a,c){C.prototype.initFromNode.call(this,b,d,a,c);v.prototype.initFromNode.call(this,b,d,a,c);n.prototype.initFromNode.call(this,b,d,a,c);k.prototype.initFromNode.call(this,b,d,a,c);B.prototype.initFromNode.call(this,
b,d,a,c)};G.prototype.initFromNode=function(b,d,a,c,g){C.prototype.initFromNode.call(this,b,d,a,g);v.prototype.initFromNode.call(this,b,d,a,g);n.prototype.initFromNode.call(this,b,d,a,g);k.prototype.initFromNode.call(this,b,d,a,g);B.prototype.initFromNode.call(this,b,d,a,g);this.space=c};D.prototype.initFromText=function(b,d,a,c,g){v.prototype.initFromNode.call(this,b,d,null,g);this.text=a;this.space=c};O.prototype.initFromNode=function(b,d,a,c){k.prototype.initFromNode.call(this,b,d,a,c);v.prototype.initFromNode.call(this,
b,d,a,c)};N.prototype.createDefaultRegion=function(){var b=new N;b.id="";b.styleAttrs={};b.sets=[];v.call(b,0,Number.POSITIVE_INFINITY,null);return b};N.prototype.initFromNode=function(b,d,a){H.prototype.initFromNode.call(this,b,null,d,a);C.prototype.initFromNode.call(this,b,null,d,a);v.prototype.initFromNode.call(this,b,null,d,a);n.prototype.initFromNode.call(this,b,null,d,a);null!==b.head&&null!==b.head.styling&&W(b.head.styling,P(d),this.styleAttrs,a)};T.prototype.initFromNode=function(b,d,a,c){v.prototype.initFromNode.call(this,
b,d,a,c);b=Q(a,c);this.value=this.qname=null;for(var g in b){if(this.qname){I(c,"More than one style specified on set");break}this.qname=g;this.value=b[g]}}})("undefined"===typeof q?this.imscDoc={}:q,"undefined"===typeof sax?f("sax"):sax,"undefined"===typeof imscNames?f("./names"):imscNames,"undefined"===typeof imscStyles?f("./styles"):imscStyles,"undefined"===typeof imscUtils?f("./utils"):imscUtils)},{"./names":5,"./styles":6,"./utils":7,sax:void 0}],2:[function(f,t,q){(function(u,f,h){function p(b,
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a&&"spaceAround"!==a?null:a},null),new p(r.ns_tts,"rubyPosition","outside",["span"],!0,!0,function(a){return a},null),new p(r.ns_tts,"rubyReserve","none",["p"],!0,!0,function(a){var e=a.split(" ");a=[null,null];if(0===e.length||2<e.length||"none"!==e[0]&&"both"!==e[0]&&"after"!==e[0]&&"before"!==e[0]&&"outside"!==e[0])return null;a[0]=e[0];if(2===e.length&&"none"!==e[0])if(e=h.parseLength(e[1]))a[1]=e;else return null;return a},function(a,e,m,c,b){if("none"===c[0])return c;a=null===c[1]?new h.ComputedLength(.5*
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a[f]||"auto"===a[f])e.style=a[f];else if("filled"===a[f]||"open"===a[f])e.style=a[f];else if("circle"===a[f]||"dot"===a[f]||"sesame"===a[f])e.symbol=a[f];else if("current"===a[f])e.color=a[f];else if("outside"===a[f])e.position="outside";else{if("before"===a[f]||"after"===a[f])return null;e.color=h.parseColor(a[f]);if(null===e.color)return null}return e},null),new p(r.ns_tts,"textOutline","none",["span"],!0,!0,function(a){if("none"===a)return a;var e={};a=a.split(" ");if(0===a.length||2<a.length)return null;
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