22 lines
1.0 MiB
JavaScript
22 lines
1.0 MiB
JavaScript
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/**
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* @licstart The following is the entire license notice for the
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* JavaScript code in this page
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*
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* Copyright 2023 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @licend The above is the entire license notice for the
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* JavaScript code in this page
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*/
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!function webpackUniversalModuleDefinition(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=e.pdfjsWorker=t():"function"==typeof define&&define.amd?define("pdfjs-dist/build/pdf.worker",[],(()=>e.pdfjsWorker=t())):"object"==typeof exports?exports["pdfjs-dist/build/pdf.worker"]=e.pdfjsWorker=t():e["pdfjs-dist/build/pdf.worker"]=e.pdfjsWorker=t()}(globalThis,(()=>(()=>{"use strict";var e=[,(e,t,a)=>{Object.defineProperty(t,"__esModule",{value:!0});t.WorkerTask=t.WorkerMessageHandler=void 0;var r=a(2),n=a(3),i=a(4),s=a(6),o=a(10),c=a(68),l=a(73),h=a(104),u=a(105),d=a(72);class WorkerTask{constructor(e){this.name=e;this.terminated=!1;this._capability=new r.PromiseCapability}get finished(){return this._capability.promise}finish(){this._capability.resolve()}terminate(){this.terminated=!0}ensureNotTerminated(){if(this.terminated)throw new Error("Worker task was terminated")}}t.WorkerTask=WorkerTask;class WorkerMessageHandler{static setup(e,t){let a=!1;e.on("test",(function(t){if(!a){a=!0;e.send("test",t instanceof Uint8Array)}}));e.on("configure",(function(e){(0,r.setVerbosityLevel)(e.verbosity)}));e.on("GetDocRequest",(function(e){return WorkerMessageHandler.createDocumentHandler(e,t)}))}static createDocumentHandler(e,t){let a,f=!1,g=null;const p=new Set,m=(0,r.getVerbosityLevel)(),{docId:b,apiVersion:y}=e,w="3.11.174";if(y!==w)throw new Error(`The API version "${y}" does not match the Worker version "${w}".`);const S=[];for(const e in[])S.push(e);if(S.length)throw new Error("The `Array.prototype` contains unexpected enumerable properties: "+S.join(", ")+"; thus breaking e.g. `for...in` iteration of `Array`s.");const x=b+"_worker";let C=new h.MessageHandler(x,b,t);function ensureNotTerminated(){if(f)throw new Error("Worker was terminated")}function startWorkerTask(e){p.add(e)}function finishWorkerTask(e){e.finish();p.delete(e)}async function loadDocument(e){await a.ensureDoc("checkHeader");await a.ensureDoc("parseStartXRef");await a.ensureDoc("parse",[e]);await a.ensureDoc("checkFirstPage",[e]);await a.ensureDoc("checkLastPage",[e]);const t=await a.ensureDoc("isPureXfa");if(t){const e=new WorkerTask("loadXfaFonts");startWorkerTask(e);await Promise.all([a.loadXfaFonts(C,e).catch((e=>{})).then((()=>finishWorkerTask(e))),a.loadXfaImages()])}const[r,n]=await Promise.all([a.ensureDoc("numPages"),a.ensureDoc("fingerprints")]);return{numPages:r,fingerprints:n,htmlForXfa:t?await a.ensureDoc("htmlForXfa"):null}}function getPdfManager({data:e,password:t,disableAutoFetch:a,rangeChunkSize:i,length:o,docBaseUrl:c,enableXfa:l,evaluatorOptions:h}){const d={source:null,disableAutoFetch:a,docBaseUrl:c,docId:b,enableXfa:l,evaluatorOptions:h,handler:C,length:o,password:t,rangeChunkSize:i},f=new r.PromiseCapability;let p;if(e){try{d.source=e;p=new s.LocalPdfManager(d);f.resolve(p)}catch(e){f.reject(e)}return f.promise}let m,y=[];try{m=new u.PDFWorkerStream(C)}catch(e){f.reject(e);return f.promise}const w=m.getFullReader();w.headersReady.then((function(){if(w.isRangeSupported){d.source=m;d.length=w.contentLength;d.disableAutoFetch||=w.isStreamingSupported;p=new s.NetworkPdfManager(d);for(const e of y)p.sendProgressiveData(e);y=[];f.resolve(p);g=null}})).catch((function(e){f.reject(e);g=null}));let S=0;new Promise((function(e,t){const readChunk=function({value:e,done:a}){try{ensureNotTerminated();if(a){p||function(){const e=(0,n.arrayBuffersToBytes)(y);o&&e.length!==o&&(0,r.warn)("reported HTTP length is different from actual");try{d.source=e;p=new s.LocalPdfManager(d);f.resolve(p)}catch(e){f.reject(e)}y=[]}();g=null;return}S+=e.byteLength;w.isStreamingSupported||C.send("DocProgress",{loaded:S,total:Math.max(S,w.contentLength||0)});p?p.sendProgressiveData(e):y.push(e);w.read().then(readChunk,t)}catch(e){t(e)}};w.read().then(readChunk,t)})).catch((function(e){f.reject(e);g=null}));g=function(e){m.cancelAllRequests(e)};return f.promise}C.on("GetPage",(function(e){return a.getPage(e.pageIndex).then((function(e){return Promise.all([a.ensure(e,"rotate"),a.ensure(e,"ref"),a.ensure(e,"userUnit"),a.ensure(e,"view")]).then((function([e,
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