1 line
19 KiB
JavaScript
1 line
19 KiB
JavaScript
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require(["css!modules/webvtt/vtt.css"]);let MaxVerticalLinePositionPercent=100;function ParsingError(errorData,message){this.name="ParsingError",this.code=errorData.code,this.message=message||errorData.message}function parseTimeStamp(input){function computeSeconds(h,m,s,f){return 3600*(0|h)+60*(0|m)+(0|s)+(0|f)/1e3}input=input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);return input?input[3]?computeSeconds(input[1],input[2],input[3].replace(":",""),input[4]):59<input[1]?computeSeconds(input[1],input[2],0,input[4]):computeSeconds(0,input[1],input[2],input[4]):null}function Settings(){this.values=Object.create(null)}function parseOptions(input,callback,keyValueDelim,groupDelim){var i,kv,groups=groupDelim?input.split(groupDelim):[input];for(i in groups)"string"==typeof groups[i]&&2===(kv=groups[i].split(keyValueDelim)).length&&callback(kv[0],kv[1])}function parseCue(input,cue,regionList){let oInput=input;function consumeTimeStamp(){var ts=parseTimeStamp(input);if(null===ts)throw new ParsingError(ParsingError.Errors.BadTimeStamp,"Malformed timestamp: "+oInput);return input=input.replace(/^[^\sa-zA-Z-]+/,""),ts}function skipWhitespace(){input=input.replace(/^\s+/,"")}if(skipWhitespace(),cue.startTime=consumeTimeStamp(),skipWhitespace(),"--\x3e"!==input.substr(0,3))throw new ParsingError(ParsingError.Errors.BadTimeStamp,"Malformed time stamp (time stamps must be separated by '--\x3e'): "+oInput);input=input.substr(3),skipWhitespace(),cue.endTime=consumeTimeStamp(),skipWhitespace(),((input,cue)=>{let settings=new Settings;parseOptions(input,function(k,v){switch(k){case"region":for(let i=regionList.length-1;0<=i;i--)if(regionList[i].id===v){settings.set(k,regionList[i].region);break}break;case"vertical":settings.alt(k,v,["rl","lr"]);break;case"line":var vals=v.split(","),vals0=vals[0];settings.integer(k,vals0),settings.percent(k,vals0)&&settings.set("snapToLines",!1),settings.alt(k,vals0,["auto"]),2===vals.length&&settings.alt("lineAlign",vals[1],["start","center","end"]);break;case"position":{let vals=v.split(",");settings.percent(k,vals[0]),2===vals.length&&settings.alt("positionAlign",vals[1],["start","center","end"])}break;case"size":settings.percent(k,v);break;case"align":settings.alt(k,v,["start","center","end","left","right"])}},/:/,/\s/),cue.region=settings.get("region",null),cue.vertical=settings.get("vertical",""),cue.line=settings.get("line","auto"),cue.lineAlign=settings.get("lineAlign","start"),cue.snapToLines=settings.get("snapToLines",!0),cue.size=settings.get("size",100);try{cue.align=settings.get("align","center")}catch(e){cue.align=settings.get("align","middle")}cue.position=settings.get("position","auto"),cue.positionAlign=settings.get("positionAlign",{start:"start",left:"start",middle:"center",center:"center",end:"end",right:"end"},cue.align)})(input,cue)}ParsingError.prototype=Object.create(Error.prototype),(ParsingError.prototype.constructor=ParsingError).Errors={BadSignature:{code:0,message:"Malformed WebVTT signature."},BadTimeStamp:{code:1,message:"Malformed time stamp."}},Settings.prototype={set:function(k,v){this.get(k)||""===v||(this.values[k]=v)},get:function(k,dflt,defaultKey){return defaultKey?this.has(k)?this.values[k]:dflt[defaultKey]:this.has(k)?this.values[k]:dflt},has:function(k){return k in this.values},alt:function(k,v,a){for(let n=0;n<a.length;++n)if(v===a[n]){this.set(k,v);break}},integer:function(k,v){/^-?\d+$/.test(v)&&this.set(k,parseInt(v,10))},percent:function(k,v){return!!(v.match(/^([\d]{1,3})(\.[\d]*)?%$/)&&0<=(v=parseFloat(v))&&v<=100)&&(this.set(k,v),!0)}};let ESCAPE={"&":"&",""":'"',"<":"<",">":">","‎":"","‏":""," ":" "},TAG_NAME={c:"span",i:"i",b:"b",u:"u",ruby:"ruby",rt:"rt",v:"span",lang:"span"},TAG_ANNOTATION={v:"title",lang:"lang"},NEEDS_PARENT={rt:"ruby"};function parseContent(window,input){function unescape1(e){return ESCAPE[e]}var rootDiv=window.document.createElement("div");let current=rootDiv,t;for(var annotation,tagName,m,tagStack=[];null!==(m=void 0,t=input?(m=(m=input.match(/^([^<]*)(<[^>]*>?)?/))[1]||m[2],input=input.substr(m.lengt
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