4 lines
33 KiB
JavaScript
4 lines
33 KiB
JavaScript
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/* cfb.js (C) 2013-present SheetJS -- http://sheetjs.com */
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var Base64_map="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";function Base64_encode(e){var r="";var t=0,i=0,n=0,a=0,f=0,s=0,l=0;for(var h=0;h<e.length;){t=e.charCodeAt(h++);a=t>>2;i=e.charCodeAt(h++);f=(t&3)<<4|i>>4;n=e.charCodeAt(h++);s=(i&15)<<2|n>>6;l=n&63;if(isNaN(i))s=l=64;else if(isNaN(n))l=64;r+=Base64_map.charAt(a)+Base64_map.charAt(f)+Base64_map.charAt(s)+Base64_map.charAt(l)}return r}function Base64_decode(e){var r="";var t=0,i=0,n=0,a=0,f=0,s=0,l=0;e=e.replace(/[^\w\+\/\=]/g,"");for(var h=0;h<e.length;){a=Base64_map.indexOf(e.charAt(h++));f=Base64_map.indexOf(e.charAt(h++));t=a<<2|f>>4;r+=String.fromCharCode(t);s=Base64_map.indexOf(e.charAt(h++));i=(f&15)<<4|s>>2;if(s!==64)r+=String.fromCharCode(i);l=Base64_map.indexOf(e.charAt(h++));n=(s&3)<<6|l;if(l!==64)r+=String.fromCharCode(n)}return r}var has_buf=function(){return typeof Buffer!=="undefined"&&typeof process!=="undefined"&&typeof process.versions!=="undefined"&&!!process.versions.node}();var Buffer_from=function(){if(typeof Buffer!=="undefined"){var e=!Buffer.from;if(!e)try{Buffer.from("foo","utf8")}catch(r){e=true}return e?function(e,r){return r?new Buffer(e,r):new Buffer(e)}:Buffer.from.bind(Buffer)}return function(){}}();function new_raw_buf(e){if(has_buf){if(Buffer.alloc)return Buffer.alloc(e);var r=new Buffer(e);r.fill(0);return r}return typeof Uint8Array!="undefined"?new Uint8Array(e):new Array(e)}function new_unsafe_buf(e){if(has_buf)return Buffer.allocUnsafe?Buffer.allocUnsafe(e):new Buffer(e);return typeof Uint8Array!="undefined"?new Uint8Array(e):new Array(e)}var s2a=function e(r){if(has_buf)return Buffer_from(r,"binary");return r.split("").map(function(e){return e.charCodeAt(0)&255})};var chr0=/\u0000/g,chr1=/[\u0001-\u0006]/g;var __toBuffer=function(e){var r=[];for(var t=0;t<e[0].length;++t){r.push.apply(r,e[0][t])}return r};var ___toBuffer=__toBuffer;var __utf16le=function(e,r,t){var i=[];for(var n=r;n<t;n+=2)i.push(String.fromCharCode(__readUInt16LE(e,n)));return i.join("").replace(chr0,"")};var ___utf16le=__utf16le;var __hexlify=function(e,r,t){var i=[];for(var n=r;n<r+t;++n)i.push(("0"+e[n].toString(16)).slice(-2));return i.join("")};var ___hexlify=__hexlify;var __bconcat=function(e){if(Array.isArray(e[0]))return[].concat.apply([],e);var r=0,t=0;for(t=0;t<e.length;++t)r+=e[t].length;var i=new Uint8Array(r);for(t=0,r=0;t<e.length;r+=e[t].length,++t)i.set(e[t],r);return i};var bconcat=__bconcat;if(has_buf){__utf16le=function(e,r,t){if(!Buffer.isBuffer(e))return ___utf16le(e,r,t);return e.toString("utf16le",r,t).replace(chr0,"")};__hexlify=function(e,r,t){return Buffer.isBuffer(e)?e.toString("hex",r,r+t):___hexlify(e,r,t)};__toBuffer=function(e){return e[0].length>0&&Buffer.isBuffer(e[0][0])?Buffer.concat(e[0]):___toBuffer(e)};s2a=function(e){return Buffer_from(e,"binary")};bconcat=function(e){return Buffer.isBuffer(e[0])?Buffer.concat(e):__bconcat(e)}}var __readUInt8=function(e,r){return e[r]};var __readUInt16LE=function(e,r){return e[r+1]*(1<<8)+e[r]};var __readInt16LE=function(e,r){var t=e[r+1]*(1<<8)+e[r];return t<32768?t:(65535-t+1)*-1};var __readUInt32LE=function(e,r){return e[r+3]*(1<<24)+(e[r+2]<<16)+(e[r+1]<<8)+e[r]};var __readInt32LE=function(e,r){return(e[r+3]<<24)+(e[r+2]<<16)+(e[r+1]<<8)+e[r]};function ReadShift(e,r){var t,i,n=0;switch(e){case 1:t=__readUInt8(this,this.l);break;case 2:t=(r!=="i"?__readUInt16LE:__readInt16LE)(this,this.l);break;case 4:t=__readInt32LE(this,this.l);break;case 16:n=2;i=__hexlify(this,this.l,e);}this.l+=e;if(n===0)return t;return i}var __writeUInt32LE=function(e,r,t){e[t]=r&255;e[t+1]=r>>>8&255;e[t+2]=r>>>16&255;e[t+3]=r>>>24&255};var __writeInt32LE=function(e,r,t){e[t]=r&255;e[t+1]=r>>8&255;e[t+2]=r>>16&255;e[t+3]=r>>24&255};function WriteShift(e,r,t){var i=0,n=0;switch(t){case"hex":for(;n<e;++n){this[this.l++]=parseInt(r.slice(2*n,2*n+2),16)||0}return this;case"utf16le":var a=this.l+e;for(n=0;n<Math.min(r.length,e);++n){var f=r.charCodeAt(n);this[this.l++]=f&255;this[this.l++]=f>>8}while(this.l<a)this[this.l++]=0;return this;}switch(e){case 1:i=1;this[this.l]=r&255;break;case
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var t=r||{};var i=t.boundary||"SheetJS";i="------="+i;var n=["MIME-Version: 1.0",'Content-Type: multipart/related; boundary="'+i.slice(2)+'"',"","",""];var a=e.FullPaths[0],f=a,s=e.FileIndex[0];for(var l=1;l<e.FullPaths.length;++l){f=e.FullPaths[l].slice(a.length);s=e.FileIndex[l];if(!s.size||!s.content||f=="Sh33tJ5")continue;f=f.replace(/[\x00-\x08\x0B\x0C\x0E-\x1F\x7E-\xFF]/g,function(e){return"_x"+e.charCodeAt(0).toString(16)+"_"}).replace(/[\u0080-\uFFFF]/g,function(e){return"_u"+e.charCodeAt(0).toString(16)+"_"});var h=s.content;var o=has_buf&&Buffer.isBuffer(h)?h.toString("binary"):L(h);var u=0,c=Math.min(1024,o.length),v=0;for(var _=0;_<=c;++_)if((v=o.charCodeAt(_))>=32&&v<128)++u;var d=u>=c*4/5;n.push(i);n.push("Content-Location: "+(t.root||"file:///C:/SheetJS/")+f);n.push("Content-Transfer-Encoding: "+(d?"quoted-printable":"base64"));n.push("Content-Type: "+Ce(s,f));n.push("");n.push(d?Be(o):Ae(o))}n.push(i+"--\r\n");return n.join("\r\n")}function Re(e){var r={};m(r,e);return r}function ze(e,r,t,n){var a=n&&n.unsafe;if(!a)m(e);var f=!a&&CFB.find(e,r);if(!f){var s=e.FullPaths[0];if(r.slice(0,s.length)==s)s=r;else{if(s.slice(-1)!="/")s+="/";s=(s+r).replace("//","/")}f={name:i(r),type:2};e.FileIndex.push(f);e.FullPaths.push(s);if(!a)CFB.utils.cfb_gc(e)}f.content=t;f.size=t?t.length:0;if(n){if(n.CLSID)f.clsid=n.CLSID;if(n.mt)f.mt=n.mt;if(n.ct)f.ct=n.ct}return f}function Le(e,r){m(e);var t=CFB.find(e,r);if(t)for(var i=0;i<e.FileIndex.length;++i)if(e.FileIndex[i]==t){e.FileIndex.splice(i,1);e.FullPaths.splice(i,1);return true}return false}function Pe(e,r,t){m(e);var n=CFB.find(e,r);if(n)for(var a=0;a<e.FileIndex.length;++a)if(e.FileIndex[a]==n){e.FileIndex[a].name=i(t);e.FullPaths[a]=t;return true}return false}function De(e){I(e,true)}e.find=A;e.read=y;e.parse=h;e.write=P;e.writeFile=z;e.utils={cfb_new:Re,cfb_add:ze,cfb_del:Le,cfb_mov:Pe,cfb_gc:De,ReadShift:ReadShift,CheckField:CheckField,prep_blob:prep_blob,bconcat:bconcat,use_zlib:M,_deflateRaw:ue,_inflateRaw:be,consts:R};return e}();if(typeof require!=="undefined"&&typeof module!=="undefined"&&typeof DO_NOT_EXPORT_CFB==="undefined"){module.exports=CFB}
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