mirror of https://github.com/torappinfo/uweb.git
53 lines
1.6 KiB
HTML
53 lines
1.6 KiB
HTML
<head>
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<link rel="stylesheet" href="https://morgan3d.github.io/markdeep/latest/latex.css?"><!-- Markdeep: --><style class="fallback">body{visibility:hidden}</style>
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<script src="https://morgan3d.github.io/markdeep/latest/markdeep.min.js?" charset="utf-8"></script>
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<script>
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window.addEventListener('hashchange',loadSlice);
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function absFile(url) {
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this.name=url;
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this.slice = async(offset, length) =>{
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const headers = new Headers();
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headers.append('range', 'bytes=' + offset + '-' + ( offset + length -1).toString());
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const opts = {
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credentials: 'include',
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headers : headers
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};
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const resp = await fetch( this.name, opts );
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return await resp.arrayBuffer();
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//alert(JSON.stringify(resp.headers));
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//return await resp.text();
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}
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}
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var uwebfile;
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function loadSlice(){
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var page = 1;
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var blocksize = 1024;
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var extrasize = 2048;
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let lhash = location.hash;
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if(lhash)
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page = parseInt(lhash.substring(6),10);
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uwebfile.slice(blocksize*(page-1),blocksize+extrasize).then((buffer)=>{
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let u8 = new Uint8Array(buffer);
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let iStart = 0;
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if(1!=page){
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while(10!=u8[iStart]) iStart++;
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}
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let iEnd = u8.indexOf(10,blocksize);//fine newline(10)
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if(-1==iEnd) iEnd = blocksize;
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iEnd++;
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document.body.innerHTML = new TextDecoder().decode(u8.slice(iStart,iEnd));
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});
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}
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//?url=#page=
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uwebfile = new absFile(location.search.substring(5));
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loadSlice();
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</script>
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</head>
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<body>
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<body>
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