@syncfusion/ej2-compression
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@syncfusion/ej2-compression - npm Package Compare versions
Comparing version 15.4.17 to 15.4.20
| /*! | ||
| * filename: ej2-compression.umd.min.js | ||
| * version : 15.4.17 | ||
| * version : 15.4.20 | ||
| * Copyright Syncfusion Inc. 2001 - 2017. All rights reserved. | ||
@@ -11,3 +11,3 @@ * Use of this code is subject to the terms of our license. | ||
| !function(t,e){if("object"==typeof exports&&"object"==typeof module)module.exports=e(require("@syncfusion/ej2-file-utils"));else if("function"==typeof define&&define.amd)define(["@syncfusion/ej2-file-utils"],e);else{var i=e("object"==typeof exports?require("@syncfusion/ej2-file-utils"):t["@syncfusion/ej2-file-utils"]);for(var r in i)("object"==typeof exports?exports:t)[r]=i[r]}}(this,function(t){return function(t){function e(r){if(i[r])return i[r].exports;var n=i[r]={exports:{},id:r,loaded:!1};return t[r].call(n.exports,n,n.exports,e),n.loaded=!0,n.exports}var i={};return e.m=t,e.c=i,e.p="",e(0)}([function(t,e,i){var r,n;r=[i,e,i(1),i(2)],void 0!==(n=function(t,e,i,r){"use strict";function n(t){for(var i in t)e.hasOwnProperty(i)||(e[i]=t[i])}Object.defineProperty(e,"__esModule",{value:!0}),n(i),n(r)}.apply(e,r))&&(t.exports=n)},function(t,e,i){var r,n;r=[i,e,i(2),i(3)],void 0!==(n=function(t,e,i,r){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=[],s=function(){function t(){this.files=[],this.level="Normal",r.Save.isMicrosoftBrowser=!!navigator.msSaveBlob}return Object.defineProperty(t.prototype,"compressionLevel",{get:function(){return this.level},set:function(t){this.level=t},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"length",{get:function(){return void 0===this.files?0:this.files.length},enumerable:!0,configurable:!0}),t.prototype.addItem=function(t){if(null===t||void 0===t)throw new Error("ArgumentException: item cannot be null or undefined");for(var e=0;e<this.files.length;e++){var i=this.files[e];if(i instanceof h&&i.name===t.name)throw new Error("item with same name already exist")}this.files.push(t)},t.prototype.addDirectory=function(t){if(null===t||void 0===t)throw new Error("ArgumentException: string cannot be null or undefined");if(0===t.length)throw new Error("ArgumentException: string cannot be empty");if("/"!==t.slice(-1)&&(t+="/"),-1!==this.files.indexOf(t))throw new Error("item with same name already exist");this.files.push(t)},t.prototype.getItem=function(t){if(t>=0&&t<this.files.length)return this.files[t]},t.prototype.contains=function(t){return-1!==this.files.indexOf(t)},t.prototype.save=function(t){var e=this;if(null===t||void 0===t||0===t.length)throw new Error("ArgumentException: fileName cannot be null or undefined");if(0===this.files.length)throw new Error("InvalidOperation");var i=this;return new Promise(function(r,n){for(var s=[],h=0,o=0;o<e.files.length;o++){e.getCompressedData(e.files[o]).then(function(n){h=i.constructZippedObject(s,n,h,n.isDirectory),s.length===e.files.length&&(i.writeZippedContent(t,s,h),r(i))})}})},t.prototype.destroy=function(){if(void 0!==this.files&&this.files.length>0){for(var t=0;t<this.files.length;t++){var e=this.files[t];e instanceof h&&e.destroy(),e=void 0}this.files=[]}this.files=void 0,this.level=void 0},t.prototype.getCompressedData=function(t){var e=this;return new Promise(function(i,r){if(t instanceof h){var s=new FileReader;s.onload=function(){var r=new Uint8Array(s.result),h={fileName:t.name,crc32Value:0,compressedData:[],compressedSize:void 0,uncompressedDataSize:r.length,compressionType:void 0,isDirectory:!1};if("Normal"===e.level){e.compressData(r,h,n);for(var o=0,a=0;a<h.compressedData.length;a++)o+=h.compressedData[a].length;h.compressedSize=o,h.compressionType="\b\0"}else h.compressedSize=r.length,h.crc32Value=e.calculateCrc32Value(0,r,n),h.compressionType="\0\0",h.compressedData.push(r);i(h)},s.readAsArrayBuffer(t.data)}else{i({fileName:t,crc32Value:0,compressedData:"",compressedSize:0,uncompressedDataSize:0,compressionType:"\0\0",isDirectory:!0})}})},t.prototype.compressData=function(t,e,r){var n=new i.CompressedStreamWriter(!0),s=0,h=0;do{if(s>=t.length){n.close();break}h=Math.min(t.length,s+16384);var o=t.subarray(s,h);e.crc32Value=this.calculateCrc32Value(e.crc32Value,o,r),n.write(o,0,h-s),s=h}while(s<=t.length);e.compressedData=n.compressedData,n.destroy()},t.prototype.constructZippedObject=function(t,e,i,r){var n=0,s=new Date;r&&(n|=16),n|=0;var h=this.writeHeader(e,s),o="PK"+h+e.fileName,a=this.writeCentralDirectory(e,h,i,n);return t.push({localHeader:o,centralDir:a,compressedData:e}),i+o.length+e.compressedSize},t.prototype.writeHeader=function(t,e){var i="";return i+="\n\0\0\0",i+=t.compressionType,i+=this.getBytes(this.getModifiedTime(e),2),i+=this.getBytes(this.getModifiedDate(e),2),i+=this.getBytes(t.crc32Value,4),i+=this.getBytes(t.compressedSize,4),i+=this.getBytes(t.uncompressedDataSize,4),i+=this.getBytes(t.fileName.length,2),i+=this.getBytes(0,2)},t.prototype.writeZippedContent=function(t,e,i){for(var n=0,s=[],h=0;h<e.length;h++){var o=e[h];for(n+=o.centralDir.length,s.push(this.getArrayBuffer(o.localHeader));o.compressedData.compressedData.length;)s.push(o.compressedData.compressedData.shift().buffer)}for(var h=0;h<e.length;h++)s.push(this.getArrayBuffer(e[h].centralDir));s.push(this.getArrayBuffer(this.writeFooter(e,n,i))),r.Save.save(t,new Blob(s,{type:"application/zip"}))},t.prototype.writeCentralDirectory=function(t,e,i,r){return"PK"+this.getBytes(20,2)+e+this.getBytes(0,2)+"\0\0\0\0"+this.getBytes(r,4)+this.getBytes(i,4)+t.fileName},t.prototype.writeFooter=function(t,e,i){return"PK\0\0\0\0"+this.getBytes(t.length,2)+this.getBytes(t.length,2)+this.getBytes(e,4)+this.getBytes(i,4)+this.getBytes(0,2)},t.prototype.getArrayBuffer=function(t){for(var e=new Uint8Array(t.length),i=0;i<t.length;++i)e[i]=255&t.charCodeAt(i);return e.buffer},t.prototype.getBytes=function(t,e){for(var i="",r=0;r<e;r++)i+=String.fromCharCode(255&t),t>>>=8;return i},t.prototype.getModifiedTime=function(t){var e=t.getHours();return e<<=6,e|=t.getMinutes(),e<<=5,e|=t.getSeconds()/2},t.prototype.getModifiedDate=function(t){var e=t.getFullYear()-1980;return e<<=4,e|=t.getMonth()+1,e<<=5,e|=t.getDate()},t.prototype.calculateCrc32Value=function(t,e,i){t^=-1;for(var r=0;r<e.length;r++)t=t>>>8^i[255&(t^e[r])];return-1^t},t}();e.ZipArchive=s;var h=function(){function t(t,e){if(null===t||void 0===t)throw new Error("ArgumentException: data cannot be null or undefined");if(null===e||void 0===e)throw new Error("ArgumentException: string cannot be null or undefined");if(0===e.length)throw new Error("string cannot be empty");this.data=t,this.name=e}return Object.defineProperty(t.prototype,"name",{get:function(){return this.fileName},set:function(t){this.fileName=t},enumerable:!0,configurable:!0}),t.prototype.destroy=function(){this.fileName=void 0,this.data=void 0},t}();e.ZipArchiveItem=h,function(){for(var t,e=0;e<256;e++){t=e;for(var i=0;i<8;i++)t=1&t?3988292384^t>>>1:t>>>1;n[e]=t}}()}.apply(e,r))&&(t.exports=n)},function(t,e,i){var r,n;r=[i,e,i(3)],void 0!==(n=function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=new Int16Array(286),n=new Uint8Array(286),s=new Int16Array(30),h=new Uint8Array(30),o=function(){function t(t){this.pendingBuffer=new Uint8Array(65536),this.pendingBufLength=0,this.pendingBufCache=0,this.pendingBufBitsInCache=0,this.bufferPosition=0,this.extraBits=0,this.currentHash=0,this.matchStart=0,this.matchLength=0,this.matchPrevAvail=!1,this.blockStart=0,this.stringStart=0,this.lookAhead=0,this.totalBytesIn=0,this.inputOffset=0,this.inputEnd=0,this.windowSize=32768,this.windowMask=this.windowSize-1,this.hashSize=32768,this.hashMask=this.hashSize-1,this.hashShift=Math.floor(17/3),this.maxDist=this.windowSize-262,this.checkSum=1,this.noWrap=!1,this.treeLiteral=new a(this,286,257,15),this.treeDistances=new a(this,30,1,15),this.treeCodeLengths=new a(this,19,4,7),this.arrDistances=new Uint16Array(16384),this.arrLiterals=new Uint8Array(16384),this.stream=[],this.dataWindow=new Uint8Array(2*this.windowSize),this.hashHead=new Int16Array(this.hashSize),this.hashPrevious=new Int16Array(this.windowSize),this.blockStart=this.stringStart=1,this.noWrap=t,t||this.writeZLibHeader()}return Object.defineProperty(t.prototype,"compressedData",{get:function(){return this.stream},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"getCompressedString",{get:function(){var t="";if(void 0!==this.stream)for(var e=0;e<this.stream.length;e++)t+=String.fromCharCode.apply(null,this.stream[e]);return t},enumerable:!0,configurable:!0}),t.prototype.write=function(t,e,r){if(void 0===t||null===t)throw new Error("ArgumentException: data cannot null or undefined");var n=e+r;if(0>e||e>n||n>t.length)throw new Error("ArgumentOutOfRangeException: Offset or length is incorrect");if("string"==typeof t){var s=new i.Encoding(!1);s.type="Utf8",t=new Uint8Array(s.getBytes(t,0,t.length)),n=e+t.length}for(this.inputBuffer=t,this.inputOffset=e,this.inputEnd=n,this.noWrap||(this.checkSum=f.checksumUpdate(this.checkSum,this.inputBuffer,this.inputOffset,n));this.inputEnd!==this.inputOffset||0!==this.pendingBufLength;)this.pendingBufferFlush(),this.compressData(!1)},t.prototype.writeZLibHeader=function(){var t=30720;t|=64,t+=31-t%31,this.pendingBufferWriteShortBytes(t)},t.prototype.pendingBufferWriteShortBytes=function(t){this.pendingBuffer[this.pendingBufLength++]=t>>8,this.pendingBuffer[this.pendingBufLength++]=t},t.prototype.compressData=function(t){var e;do{this.fillWindow();var i=t&&this.inputEnd===this.inputOffset;e=this.compressSlow(i,t)}while(0===this.pendingBufLength&&e);return e},t.prototype.compressSlow=function(t,e){if(this.lookAhead<262&&!t)return!1;for(;this.lookAhead>=262||t;){if(0===this.lookAhead)return this.lookAheadCompleted(e);this.stringStart>=2*this.windowSize-262&&this.slideWindow();var i=this.matchStart,r=this.matchLength;if(this.lookAhead>=3&&this.discardMatch(),r>=3&&this.matchLength<=r?r=this.matchPreviousBest(i,r):this.matchPreviousAvailable(),this.bufferPosition>=16384)return this.huffmanIsFull(e)}return!0},t.prototype.discardMatch=function(){var t=this.insertString();0!==t&&this.stringStart-t<=this.maxDist&&this.findLongestMatch(t)&&this.matchLength<=5&&3===this.matchLength&&this.stringStart-this.matchStart>4096&&(this.matchLength=2)},t.prototype.matchPreviousAvailable=function(){this.matchPrevAvail&&this.huffmanTallyLit(255&this.dataWindow[this.stringStart-1]),this.matchPrevAvail=!0,this.stringStart++,this.lookAhead--},t.prototype.matchPreviousBest=function(t,e){this.huffmanTallyDist(this.stringStart-1-t,e),e-=2;do{this.stringStart++,--this.lookAhead>=3&&this.insertString()}while(--e>0);return this.stringStart++,this.lookAhead--,this.matchPrevAvail=!1,this.matchLength=2,e},t.prototype.lookAheadCompleted=function(t){return this.matchPrevAvail&&this.huffmanTallyLit(255&this.dataWindow[this.stringStart-1]),this.matchPrevAvail=!1,this.huffmanFlushBlock(this.dataWindow,this.blockStart,this.stringStart-this.blockStart,t),this.blockStart=this.stringStart,!1},t.prototype.huffmanIsFull=function(t){var e=this.stringStart-this.blockStart;this.matchPrevAvail&&e--;var i=t&&0===this.lookAhead&&!this.matchPrevAvail;return this.huffmanFlushBlock(this.dataWindow,this.blockStart,e,i),this.blockStart+=e,!i},t.prototype.fillWindow=function(){for(this.stringStart>=this.windowSize+this.maxDist&&this.slideWindow();this.lookAhead<262&&this.inputOffset<this.inputEnd;){var t=2*this.windowSize-this.lookAhead-this.stringStart;t>this.inputEnd-this.inputOffset&&(t=this.inputEnd-this.inputOffset),this.dataWindow.set(this.inputBuffer.subarray(this.inputOffset,this.inputOffset+t),this.stringStart+this.lookAhead),this.inputOffset+=t,this.totalBytesIn+=t,this.lookAhead+=t}this.lookAhead>=3&&this.updateHash()},t.prototype.slideWindow=function(){this.dataWindow.set(this.dataWindow.subarray(this.windowSize,this.windowSize+this.windowSize),0),this.matchStart-=this.windowSize,this.stringStart-=this.windowSize,this.blockStart-=this.windowSize;for(var t=0;t<this.hashSize;++t){var e=65535&this.hashHead[t];this.hashHead[t]=e>=this.windowSize?e-this.windowSize:0}for(var t=0;t<this.windowSize;t++){var e=65535&this.hashPrevious[t];this.hashPrevious[t]=e>=this.windowSize?e-this.windowSize:0}},t.prototype.insertString=function(){var t,e=(this.currentHash<<this.hashShift^this.dataWindow[this.stringStart+2])&this.hashMask;return this.hashPrevious[this.stringStart&this.windowMask]=t=this.hashHead[e],this.hashHead[e]=this.stringStart,this.currentHash=e,65535&t},t.prototype.findLongestMatch=function(t){var e,i=4096,r=258,n=this.stringStart,s=this.stringStart+this.matchLength,h=Math.max(this.matchLength,2),o=Math.max(this.stringStart-this.maxDist,0),a=this.stringStart+258-1,f=this.dataWindow[s-1],u=this.dataWindow[s],d=this.dataWindow;h>=32&&(i>>=2),r>this.lookAhead&&(r=this.lookAhead);do{if(d[t+h]===u&&d[t+h-1]===f&&d[t]===d[n]&&d[t+1]===d[n+1]){for(e=t+2,n+=2;d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&n<a;);if(n>s){if(this.matchStart=t,s=n,(h=n-this.stringStart)>=r)break;f=d[s-1],u=d[s]}n=this.stringStart}}while((t=65535&this.hashPrevious[t&this.windowMask])>o&&0!=--i);return this.matchLength=Math.min(h,this.lookAhead),this.matchLength>=3},t.prototype.updateHash=function(){this.currentHash=this.dataWindow[this.stringStart]<<this.hashShift^this.dataWindow[this.stringStart+1]},t.prototype.huffmanTallyLit=function(t){return this.arrDistances[this.bufferPosition]=0,this.arrLiterals[this.bufferPosition++]=t,this.treeLiteral.codeFrequencies[t]++,this.bufferPosition>=16384},t.prototype.huffmanTallyDist=function(t,e){this.arrDistances[this.bufferPosition]=t,this.arrLiterals[this.bufferPosition++]=e-3;var i=this.huffmanLengthCode(e-3);this.treeLiteral.codeFrequencies[i]++,i>=265&&i<285&&(this.extraBits+=Math.floor((i-261)/4));var r=this.huffmanDistanceCode(t-1);return this.treeDistances.codeFrequencies[r]++,r>=4&&(this.extraBits+=Math.floor(r/2-1)),this.bufferPosition>=16384},t.prototype.huffmanFlushBlock=function(t,e,i,o){this.treeLiteral.codeFrequencies[256]++,this.treeLiteral.buildTree(),this.treeDistances.buildTree(),this.treeLiteral.calculateBLFreq(this.treeCodeLengths),this.treeDistances.calculateBLFreq(this.treeCodeLengths),this.treeCodeLengths.buildTree();for(var f=4,u=18;u>f;u--)this.treeCodeLengths.codeLengths[a.huffCodeLengthOrders[u]]>0&&(f=u+1);for(var d=14+3*f+this.treeCodeLengths.getEncodedLength()+this.treeLiteral.getEncodedLength()+this.treeDistances.getEncodedLength()+this.extraBits,c=this.extraBits,u=0;u<286;u++)c+=this.treeLiteral.codeFrequencies[u]*n[u];for(var u=0;u<30;u++)c+=this.treeDistances.codeFrequencies[u]*h[u];d>=c&&(d=c),e>=0&&i+4<d>>3?this.huffmanFlushStoredBlock(t,e,i,o):d==c?(this.pendingBufferWriteBits(2+(o?1:0),3),this.treeLiteral.setStaticCodes(r,n),this.treeDistances.setStaticCodes(s,h),this.huffmanCompressBlock(),this.huffmanReset()):(this.pendingBufferWriteBits(4+(o?1:0),3),this.huffmanSendAllTrees(f),this.huffmanCompressBlock(),this.huffmanReset())},t.prototype.huffmanFlushStoredBlock=function(t,e,i,r){this.pendingBufferWriteBits(0+(r?1:0),3),this.pendingBufferAlignToByte(),this.pendingBufferWriteShort(i),this.pendingBufferWriteShort(~i),this.pendingBufferWriteByteBlock(t,e,i),this.huffmanReset()},t.prototype.huffmanLengthCode=function(t){if(255===t)return 285;for(var e=257;t>=8;)e+=4,t>>=1;return e+t},t.prototype.huffmanDistanceCode=function(t){for(var e=0;t>=4;)e+=2,t>>=1;return e+t},t.prototype.huffmanSendAllTrees=function(t){this.treeCodeLengths.buildCodes(),this.treeLiteral.buildCodes(),this.treeDistances.buildCodes(),this.pendingBufferWriteBits(this.treeLiteral.treeLength-257,5),this.pendingBufferWriteBits(this.treeDistances.treeLength-1,5),this.pendingBufferWriteBits(t-4,4);for(var e=0;e<t;e++)this.pendingBufferWriteBits(this.treeCodeLengths.codeLengths[a.huffCodeLengthOrders[e]],3);this.treeLiteral.writeTree(this.treeCodeLengths),this.treeDistances.writeTree(this.treeCodeLengths)},t.prototype.huffmanReset=function(){this.bufferPosition=0,this.extraBits=0,this.treeLiteral.reset(),this.treeDistances.reset(),this.treeCodeLengths.reset()},t.prototype.huffmanCompressBlock=function(){for(var t=0;t<this.bufferPosition;t++){var e=255&this.arrLiterals[t],i=this.arrDistances[t];if(0!=i--){var r=this.huffmanLengthCode(e);this.treeLiteral.writeCodeToStream(r);var n=Math.floor((r-261)/4);n>0&&n<=5&&this.pendingBufferWriteBits(e&(1<<n)-1,n);var s=this.huffmanDistanceCode(i);this.treeDistances.writeCodeToStream(s),n=Math.floor(s/2-1),n>0&&this.pendingBufferWriteBits(i&(1<<n)-1,n)}else this.treeLiteral.writeCodeToStream(e)}this.treeLiteral.writeCodeToStream(256)},t.prototype.pendingBufferWriteBits=function(t,e){var i=new Uint32Array(1);i[0]=this.pendingBufCache|t<<this.pendingBufBitsInCache,this.pendingBufCache=i[0],this.pendingBufBitsInCache+=e,this.pendingBufferFlushBits()},t.prototype.pendingBufferFlush=function(t){if(this.pendingBufferFlushBits(),this.pendingBufLength>0){var e=new Uint8Array(this.pendingBufLength);e.set(this.pendingBuffer.subarray(0,this.pendingBufLength),0),this.stream.push(e)}this.pendingBufLength=0},t.prototype.pendingBufferFlushBits=function(){for(var t=0;this.pendingBufBitsInCache>=8&&this.pendingBufLength<65536;)this.pendingBuffer[this.pendingBufLength++]=this.pendingBufCache,this.pendingBufCache>>=8,this.pendingBufBitsInCache-=8,t++;return t},t.prototype.pendingBufferWriteByteBlock=function(t,e,i){var r=t.subarray(e,e+i);this.pendingBuffer.set(r,this.pendingBufLength),this.pendingBufLength+=i},t.prototype.pendingBufferWriteShort=function(t){this.pendingBuffer[this.pendingBufLength++]=t,this.pendingBuffer[this.pendingBufLength++]=t>>8},t.prototype.pendingBufferAlignToByte=function(){this.pendingBufBitsInCache>0&&(this.pendingBuffer[this.pendingBufLength++]=this.pendingBufCache),this.pendingBufCache=0,this.pendingBufBitsInCache=0},t.prototype.close=function(){do{this.pendingBufferFlush(!0),this.compressData(!0)||(this.pendingBufferFlush(!0),this.pendingBufferAlignToByte(),this.noWrap||(this.pendingBufferWriteShortBytes(this.checkSum>>16),this.pendingBufferWriteShortBytes(65535&this.checkSum)),this.pendingBufferFlush(!0))}while(this.inputEnd!==this.inputOffset||0!==this.pendingBufLength)},t.prototype.destroy=function(){this.stream=[],this.stream=void 0,this.pendingBuffer=void 0,this.treeLiteral=void 0,this.treeDistances=void 0,this.treeCodeLengths=void 0,this.arrLiterals=void 0,this.arrDistances=void 0,this.hashHead=void 0,this.hashPrevious=void 0,this.dataWindow=void 0,this.inputBuffer=void 0,this.pendingBufLength=void 0,this.pendingBufCache=void 0,this.pendingBufBitsInCache=void 0,this.bufferPosition=void 0,this.extraBits=void 0,this.currentHash=void 0,this.matchStart=void 0,this.matchLength=void 0,this.matchPrevAvail=void 0,this.blockStart=void 0,this.stringStart=void 0,this.lookAhead=void 0,this.totalBytesIn=void 0,this.inputOffset=void 0,this.inputEnd=void 0,this.windowSize=void 0,this.windowMask=void 0,this.hashSize=void 0,this.hashMask=void 0,this.hashShift=void 0,this.maxDist=void 0,this.checkSum=void 0,this.noWrap=void 0},t}();e.CompressedStreamWriter=o;var a=function(){function t(t,e,i,r){this.writer=t,this.codeMinCount=i,this.maxLength=r,this.codeFrequency=new Int16Array(e),this.lengthCount=new Int32Array(r)}return Object.defineProperty(t.prototype,"treeLength",{get:function(){return this.codeCount},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"codeLengths",{get:function(){return this.codeLength},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"codeFrequencies",{get:function(){return this.codeFrequency},enumerable:!0,configurable:!0}),t.prototype.setStaticCodes=function(t,e){var i=new Int16Array(t.length);i.set(t,0),this.codes=i;var r=new Uint8Array(e.length);r.set(e,0),this.codeLength=r},t.prototype.reset=function(){for(var t=0;t<this.codeFrequency.length;t++)this.codeFrequency[t]=0;this.codes=void 0,this.codeLength=void 0},t.prototype.writeCodeToStream=function(t){this.writer.pendingBufferWriteBits(65535&this.codes[t],this.codeLength[t])},t.prototype.buildCodes=function(){var e=new Int32Array(this.maxLength);this.codes=new Int16Array(this.codeCount);for(var i=0,r=0;r<this.maxLength;r++)e[r]=i,i+=this.lengthCount[r]<<15-r;for(var n=0;n<this.codeCount;n++){var s=this.codeLength[n];s>0&&(this.codes[n]=t.bitReverse(e[s-1]),e[s-1]+=1<<16-s)}},t.bitReverse=function(e){return t.reverseBits[15&e]<<12|t.reverseBits[e>>4&15]<<8|t.reverseBits[e>>8&15]<<4|t.reverseBits[e>>12]},t.prototype.getEncodedLength=function(){for(var t=0,e=0;e<this.codeFrequency.length;e++)t+=this.codeFrequency[e]*this.codeLength[e];return t},t.prototype.calculateBLFreq=function(t){for(var e,i,r,n=-1,s=0;s<this.codeCount;){r=1;var h=this.codeLength[s];for(0===h?(e=138,i=3):(e=6,i=3,n!==h&&(t.codeFrequency[h]++,r=0)),n=h,s++;s<this.codeCount&&n===this.codeLength[s]&&(s++,!(++r>=e)););r<i?t.codeFrequency[n]+=r:0!==n?t.codeFrequency[16]++:r<=10?t.codeFrequency[17]++:t.codeFrequency[18]++}},t.prototype.writeTree=function(t){for(var e,i,r,n=-1,s=0;s<this.codeCount;){r=1;var h=this.codeLength[s];for(0===h?(e=138,i=3):(e=6,i=3,n!==h&&(t.writeCodeToStream(h),r=0)),n=h,s++;s<this.codeCount&&n===this.codeLength[s]&&(s++,!(++r>=e)););if(r<i)for(;r-- >0;)t.writeCodeToStream(n);else 0!==n?(t.writeCodeToStream(16),this.writer.pendingBufferWriteBits(r-3,2)):r<=10?(t.writeCodeToStream(17),this.writer.pendingBufferWriteBits(r-3,3)):(t.writeCodeToStream(18),this.writer.pendingBufferWriteBits(r-11,7))}},t.prototype.buildTree=function(){for(var t=this.codeFrequency.length,e=new Int32Array(t),i=0,r=0,n=0;n<t;n++){var s=this.codeFrequency[n];if(0!==s){for(var h=i++,o=0;h>0&&this.codeFrequency[e[o=Math.floor((h-1)/2)]]>s;)e[h]=e[o],h=o;e[h]=n,r=n}}for(;i<2;)e[i++]=r<2?++r:0;this.codeCount=Math.max(r+1,this.codeMinCount);for(var a=i,f=a,u=new Int32Array(4*i-2),d=new Int32Array(2*i-1),c=0;c<i;c++){var p=e[c],l=2*c;u[l]=p,u[l+1]=-1,d[c]=this.codeFrequency[p]<<8,e[c]=c}this.constructHuffmanTree(e,i,d,f,u),this.buildLength(u)},t.prototype.constructHuffmanTree=function(t,e,i,r,n){do{for(var s=t[0],h=t[--e],o=i[h],a=0,f=1;f<e;)f+1<e&&i[t[f]]>i[t[f+1]]&&f++,t[a]=t[f],a=f,f=2*a+1;for(;(f=a)>0&&i[t[a=Math.floor((f-1)/2)]]>o;)t[f]=t[a];t[f]=h;var u=t[0];h=r++,n[2*h]=s,n[2*h+1]=u;var d=Math.min(255&i[s],255&i[u]);for(i[h]=o=i[s]+i[u]-d+1,a=0,f=1;f<e;)f+1<e&&i[t[f]]>i[t[f+1]]&&f++,t[a]=t[f],a=f,f=2*a+1;for(;(f=a)>0&&i[t[a=Math.floor((f-1)/2)]]>o;)t[f]=t[a];t[f]=h}while(e>1)},t.prototype.buildLength=function(t){this.codeLength=new Uint8Array(this.codeFrequency.length);for(var e=Math.floor(t.length/2),i=Math.floor((e+1)/2),r=0,n=0;n<this.maxLength;n++)this.lengthCount[n]=0;if(0!==(r=this.calculateOptimalCodeLength(t,r,e))){var s=this.maxLength-1;do{for(;0===this.lengthCount[--s];);do{this.lengthCount[s]--,this.lengthCount[++s]++,r-=1<<this.maxLength-1-s}while(r>0&&s<this.maxLength-1)}while(r>0);this.recreateTree(t,r,i)}},t.prototype.recreateTree=function(t,e,i){this.lengthCount[this.maxLength-1]+=e,this.lengthCount[this.maxLength-2]-=e;for(var r=2*i,n=this.maxLength;0!==n;n--)for(var s=this.lengthCount[n-1];s>0;){var h=2*t[r++];-1===t[h+1]&&(this.codeLength[t[h]]=n,s--)}},t.prototype.calculateOptimalCodeLength=function(t,e,i){var r=new Int32Array(i);r[i-1]=0;for(var n=i-1;n>=0;n--){var s=2*n+1;if(-1!==t[s]){var h=r[n]+1;h>this.maxLength&&(h=this.maxLength,e++),r[t[s-1]]=r[t[s]]=h}else{var h=r[n];this.lengthCount[h-1]++,this.codeLength[t[s-1]]=r[n]}}return e},t}();a.reverseBits=[0,8,4,12,2,10,6,14,1,9,5,13,3,11,7,15],a.huffCodeLengthOrders=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],e.CompressorHuffmanTree=a;var f=function(){function t(){}return t.checksumUpdate=function(e,i,r,n){var s=new Uint32Array(1);s[0]=e;for(var h=s[0],o=s[0]=65535&h,a=s[0]=h>>t.checkSumBitOffset;n>0;){var f=Math.min(n,t.checksumIterationCount);for(n-=f;--f>=0;)o+=s[0]=255&i[r++],a+=o;o%=t.checksumBase,a%=t.checksumBase}return h=a<<t.checkSumBitOffset|o},t}();f.checkSumBitOffset=16,f.checksumBase=65521,f.checksumIterationCount=3800,e.ChecksumCalculator=f,function(){for(var t=0;t<144;)r[t]=a.bitReverse(48+t<<8),n[t++]=8;for(;t<256;)r[t]=a.bitReverse(256+t<<7),n[t++]=9;for(;t<280;)r[t]=a.bitReverse(-256+t<<9),n[t++]=7;for(;t<286;)r[t]=a.bitReverse(-88+t<<8),n[t++]=8;for(t=0;t<30;t++)s[t]=a.bitReverse(t<<11),h[t]=5}()}.apply(e,r))&&(t.exports=n)},function(e,i){e.exports=t}])}); | ||
| !function(t,e){if("object"==typeof exports&&"object"==typeof module)module.exports=e(require("@syncfusion/ej2-file-utils"));else if("function"==typeof define&&define.amd)define(["@syncfusion/ej2-file-utils"],e);else{var i=e("object"==typeof exports?require("@syncfusion/ej2-file-utils"):t["@syncfusion/ej2-file-utils"]);for(var r in i)("object"==typeof exports?exports:t)[r]=i[r]}}(this,function(t){return function(t){function e(r){if(i[r])return i[r].exports;var n=i[r]={exports:{},id:r,loaded:!1};return t[r].call(n.exports,n,n.exports,e),n.loaded=!0,n.exports}var i={};return e.m=t,e.c=i,e.p="",e(0)}([function(t,e,i){var r,n;r=[i,e,i(1),i(2)],void 0!==(n=function(t,e,i,r){"use strict";function n(t){for(var i in t)e.hasOwnProperty(i)||(e[i]=t[i])}Object.defineProperty(e,"__esModule",{value:!0}),n(i),n(r)}.apply(e,r))&&(t.exports=n)},function(t,e,i){var r,n;r=[i,e,i(2),i(3)],void 0!==(n=function(t,e,i,r){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=[],s=function(){function t(){this.files=[],this.level="Normal",r.Save.isMicrosoftBrowser=!!navigator.msSaveBlob}return Object.defineProperty(t.prototype,"compressionLevel",{get:function(){return this.level},set:function(t){this.level=t},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"length",{get:function(){return void 0===this.files?0:this.files.length},enumerable:!0,configurable:!0}),t.prototype.addItem=function(t){if(null===t||void 0===t)throw new Error("ArgumentException: item cannot be null or undefined");for(var e=0;e<this.files.length;e++){var i=this.files[e];if(i instanceof h&&i.name===t.name)throw new Error("item with same name already exist")}this.files.push(t)},t.prototype.addDirectory=function(t){if(null===t||void 0===t)throw new Error("ArgumentException: string cannot be null or undefined");if(0===t.length)throw new Error("ArgumentException: string cannot be empty");if("/"!==t.slice(-1)&&(t+="/"),-1!==this.files.indexOf(t))throw new Error("item with same name already exist");this.files.push(t)},t.prototype.getItem=function(t){if(t>=0&&t<this.files.length)return this.files[t]},t.prototype.contains=function(t){return-1!==this.files.indexOf(t)},t.prototype.save=function(t){var e=this;if(null===t||void 0===t||0===t.length)throw new Error("ArgumentException: fileName cannot be null or undefined");if(0===this.files.length)throw new Error("InvalidOperation");var i=this;return new Promise(function(r,n){for(var s=[],h=0,o=0;o<e.files.length;o++){e.getCompressedData(e.files[o]).then(function(n){h=i.constructZippedObject(s,n,h,n.isDirectory),s.length===e.files.length&&(i.writeZippedContent(t,s,h),r(i))})}})},t.prototype.destroy=function(){if(void 0!==this.files&&this.files.length>0){for(var t=0;t<this.files.length;t++){var e=this.files[t];e instanceof h&&e.destroy(),e=void 0}this.files=[]}this.files=void 0,this.level=void 0},t.prototype.getCompressedData=function(t){var e=this;return new Promise(function(i,r){if(t instanceof h){var s=new FileReader;s.onload=function(){var r=new Uint8Array(s.result),h={fileName:t.name,crc32Value:0,compressedData:[],compressedSize:void 0,uncompressedDataSize:r.length,compressionType:void 0,isDirectory:!1};if("Normal"===e.level){e.compressData(r,h,n);for(var o=0,a=0;a<h.compressedData.length;a++)o+=h.compressedData[a].length;h.compressedSize=o,h.compressionType="\b\0"}else h.compressedSize=r.length,h.crc32Value=e.calculateCrc32Value(0,r,n),h.compressionType="\0\0",h.compressedData.push(r);i(h)},s.readAsArrayBuffer(t.data)}else{i({fileName:t,crc32Value:0,compressedData:"",compressedSize:0,uncompressedDataSize:0,compressionType:"\0\0",isDirectory:!0})}})},t.prototype.compressData=function(t,e,r){var n=new i.CompressedStreamWriter(!0),s=0,h=0;do{if(s>=t.length){n.close();break}h=Math.min(t.length,s+16384);var o=t.subarray(s,h);e.crc32Value=this.calculateCrc32Value(e.crc32Value,o,r),n.write(o,0,h-s),s=h}while(s<=t.length);e.compressedData=n.compressedData,n.destroy()},t.prototype.constructZippedObject=function(t,e,i,r){var n=0,s=new Date;r&&(n|=16),n|=0;var h=this.writeHeader(e,s),o="PK"+h+e.fileName,a=this.writeCentralDirectory(e,h,i,n);return t.push({localHeader:o,centralDir:a,compressedData:e}),i+o.length+e.compressedSize},t.prototype.writeHeader=function(t,e){var i="";return i+="\n\0\0\0",i+=t.compressionType,i+=this.getBytes(this.getModifiedTime(e),2),i+=this.getBytes(this.getModifiedDate(e),2),i+=this.getBytes(t.crc32Value,4),i+=this.getBytes(t.compressedSize,4),i+=this.getBytes(t.uncompressedDataSize,4),i+=this.getBytes(t.fileName.length,2),i+=this.getBytes(0,2)},t.prototype.writeZippedContent=function(t,e,i){for(var n=0,s=[],h=0;h<e.length;h++){var o=e[h];for(n+=o.centralDir.length,s.push(this.getArrayBuffer(o.localHeader));o.compressedData.compressedData.length;)s.push(o.compressedData.compressedData.shift().buffer)}for(var h=0;h<e.length;h++)s.push(this.getArrayBuffer(e[h].centralDir));s.push(this.getArrayBuffer(this.writeFooter(e,n,i))),r.Save.save(t,new Blob(s,{type:"application/zip"}))},t.prototype.writeCentralDirectory=function(t,e,i,r){return"PK"+this.getBytes(20,2)+e+this.getBytes(0,2)+"\0\0\0\0"+this.getBytes(r,4)+this.getBytes(i,4)+t.fileName},t.prototype.writeFooter=function(t,e,i){return"PK\0\0\0\0"+this.getBytes(t.length,2)+this.getBytes(t.length,2)+this.getBytes(e,4)+this.getBytes(i,4)+this.getBytes(0,2)},t.prototype.getArrayBuffer=function(t){for(var e=new Uint8Array(t.length),i=0;i<t.length;++i)e[i]=255&t.charCodeAt(i);return e.buffer},t.prototype.getBytes=function(t,e){for(var i="",r=0;r<e;r++)i+=String.fromCharCode(255&t),t>>>=8;return i},t.prototype.getModifiedTime=function(t){var e=t.getHours();return e<<=6,e|=t.getMinutes(),e<<=5,e|=t.getSeconds()/2},t.prototype.getModifiedDate=function(t){var e=t.getFullYear()-1980;return e<<=4,e|=t.getMonth()+1,e<<=5,e|=t.getDate()},t.prototype.calculateCrc32Value=function(t,e,i){t^=-1;for(var r=0;r<e.length;r++)t=t>>>8^i[255&(t^e[r])];return-1^t},t}();e.ZipArchive=s;var h=function(){function t(t,e){if(null===t||void 0===t)throw new Error("ArgumentException: data cannot be null or undefined");if(null===e||void 0===e)throw new Error("ArgumentException: string cannot be null or undefined");if(0===e.length)throw new Error("string cannot be empty");this.data=t,this.name=e}return Object.defineProperty(t.prototype,"name",{get:function(){return this.fileName},set:function(t){this.fileName=t},enumerable:!0,configurable:!0}),t.prototype.destroy=function(){this.fileName=void 0,this.data=void 0},t}();e.ZipArchiveItem=h,function(){for(var t,e=0;e<256;e++){t=e;for(var i=0;i<8;i++)t=1&t?3988292384^t>>>1:t>>>1;n[e]=t}}()}.apply(e,r))&&(t.exports=n)},function(t,e,i){var r,n;r=[i,e,i(3)],void 0!==(n=function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var r=new Int16Array(286),n=new Uint8Array(286),s=new Int16Array(30),h=new Uint8Array(30),o=function(){function t(t){this.pendingBuffer=new Uint8Array(65536),this.pendingBufLength=0,this.pendingBufCache=0,this.pendingBufBitsInCache=0,this.bufferPosition=0,this.extraBits=0,this.currentHash=0,this.matchStart=0,this.matchLength=0,this.matchPrevAvail=!1,this.blockStart=0,this.stringStart=0,this.lookAhead=0,this.totalBytesIn=0,this.inputOffset=0,this.inputEnd=0,this.windowSize=32768,this.windowMask=this.windowSize-1,this.hashSize=32768,this.hashMask=this.hashSize-1,this.hashShift=Math.floor(17/3),this.maxDist=this.windowSize-262,this.checkSum=1,this.noWrap=!1,this.treeLiteral=new a(this,286,257,15),this.treeDistances=new a(this,30,1,15),this.treeCodeLengths=new a(this,19,4,7),this.arrDistances=new Uint16Array(16384),this.arrLiterals=new Uint8Array(16384),this.stream=[],this.dataWindow=new Uint8Array(2*this.windowSize),this.hashHead=new Int16Array(this.hashSize),this.hashPrevious=new Int16Array(this.windowSize),this.blockStart=this.stringStart=1,this.noWrap=t,t||this.writeZLibHeader()}return Object.defineProperty(t.prototype,"compressedData",{get:function(){return this.stream},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"getCompressedString",{get:function(){var t="";if(void 0!==this.stream)for(var e=0;e<this.stream.length;e++)t+=String.fromCharCode.apply(null,this.stream[e]);return t},enumerable:!0,configurable:!0}),t.prototype.write=function(t,e,r){if(void 0===t||null===t)throw new Error("ArgumentException: data cannot null or undefined");var n=e+r;if(0>e||e>n||n>t.length)throw new Error("ArgumentOutOfRangeException: Offset or length is incorrect");if("string"==typeof t){var s=new i.Encoding(!1);s.type="Utf8",t=new Uint8Array(s.getBytes(t,0,t.length)),n=e+t.length}for(this.inputBuffer=t,this.inputOffset=e,this.inputEnd=n,this.noWrap||(this.checkSum=f.checksumUpdate(this.checkSum,this.inputBuffer,this.inputOffset,n));this.inputEnd!==this.inputOffset||0!==this.pendingBufLength;)this.pendingBufferFlush(),this.compressData(!1)},t.prototype.writeZLibHeader=function(){var t=30720;t|=64,t+=31-t%31,this.pendingBufferWriteShortBytes(t)},t.prototype.pendingBufferWriteShortBytes=function(t){this.pendingBuffer[this.pendingBufLength++]=t>>8,this.pendingBuffer[this.pendingBufLength++]=t},t.prototype.compressData=function(t){var e;do{this.fillWindow();var i=t&&this.inputEnd===this.inputOffset;e=this.compressSlow(i,t)}while(0===this.pendingBufLength&&e);return e},t.prototype.compressSlow=function(t,e){if(this.lookAhead<262&&!t)return!1;for(;this.lookAhead>=262||t;){if(0===this.lookAhead)return this.lookAheadCompleted(e);this.stringStart>=2*this.windowSize-262&&this.slideWindow();var i=this.matchStart,r=this.matchLength;if(this.lookAhead>=3&&this.discardMatch(),r>=3&&this.matchLength<=r?r=this.matchPreviousBest(i,r):this.matchPreviousAvailable(),this.bufferPosition>=16384)return this.huffmanIsFull(e)}return!0},t.prototype.discardMatch=function(){var t=this.insertString();0!==t&&this.stringStart-t<=this.maxDist&&this.findLongestMatch(t)&&this.matchLength<=5&&3===this.matchLength&&this.stringStart-this.matchStart>4096&&(this.matchLength=2)},t.prototype.matchPreviousAvailable=function(){this.matchPrevAvail&&this.huffmanTallyLit(255&this.dataWindow[this.stringStart-1]),this.matchPrevAvail=!0,this.stringStart++,this.lookAhead--},t.prototype.matchPreviousBest=function(t,e){this.huffmanTallyDist(this.stringStart-1-t,e),e-=2;do{this.stringStart++,--this.lookAhead>=3&&this.insertString()}while(--e>0);return this.stringStart++,this.lookAhead--,this.matchPrevAvail=!1,this.matchLength=2,e},t.prototype.lookAheadCompleted=function(t){return this.matchPrevAvail&&this.huffmanTallyLit(255&this.dataWindow[this.stringStart-1]),this.matchPrevAvail=!1,this.huffmanFlushBlock(this.dataWindow,this.blockStart,this.stringStart-this.blockStart,t),this.blockStart=this.stringStart,!1},t.prototype.huffmanIsFull=function(t){var e=this.stringStart-this.blockStart;this.matchPrevAvail&&e--;var i=t&&0===this.lookAhead&&!this.matchPrevAvail;return this.huffmanFlushBlock(this.dataWindow,this.blockStart,e,i),this.blockStart+=e,!i},t.prototype.fillWindow=function(){for(this.stringStart>=this.windowSize+this.maxDist&&this.slideWindow();this.lookAhead<262&&this.inputOffset<this.inputEnd;){var t=2*this.windowSize-this.lookAhead-this.stringStart;t>this.inputEnd-this.inputOffset&&(t=this.inputEnd-this.inputOffset),this.dataWindow.set(this.inputBuffer.subarray(this.inputOffset,this.inputOffset+t),this.stringStart+this.lookAhead),this.inputOffset+=t,this.totalBytesIn+=t,this.lookAhead+=t}this.lookAhead>=3&&this.updateHash()},t.prototype.slideWindow=function(){this.dataWindow.set(this.dataWindow.subarray(this.windowSize,this.windowSize+this.windowSize),0),this.matchStart-=this.windowSize,this.stringStart-=this.windowSize,this.blockStart-=this.windowSize;for(var t=0;t<this.hashSize;++t){var e=65535&this.hashHead[t];this.hashHead[t]=e>=this.windowSize?e-this.windowSize:0}for(var t=0;t<this.windowSize;t++){var e=65535&this.hashPrevious[t];this.hashPrevious[t]=e>=this.windowSize?e-this.windowSize:0}},t.prototype.insertString=function(){var t,e=(this.currentHash<<this.hashShift^this.dataWindow[this.stringStart+2])&this.hashMask;return this.hashPrevious[this.stringStart&this.windowMask]=t=this.hashHead[e],this.hashHead[e]=this.stringStart,this.currentHash=e,65535&t},t.prototype.findLongestMatch=function(t){var e,i=4096,r=258,n=this.stringStart,s=this.stringStart+this.matchLength,h=Math.max(this.matchLength,2),o=Math.max(this.stringStart-this.maxDist,0),a=this.stringStart+258-1,f=this.dataWindow[s-1],u=this.dataWindow[s],d=this.dataWindow;h>=32&&(i>>=2),r>this.lookAhead&&(r=this.lookAhead);do{if(d[t+h]===u&&d[t+h-1]===f&&d[t]===d[n]&&d[t+1]===d[n+1]){for(e=t+2,n+=2;d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&d[++n]===d[++e]&&n<a;);if(n>s){if(this.matchStart=t,s=n,(h=n-this.stringStart)>=r)break;f=d[s-1],u=d[s]}n=this.stringStart}}while((t=65535&this.hashPrevious[t&this.windowMask])>o&&0!=--i);return this.matchLength=Math.min(h,this.lookAhead),this.matchLength>=3},t.prototype.updateHash=function(){this.currentHash=this.dataWindow[this.stringStart]<<this.hashShift^this.dataWindow[this.stringStart+1]},t.prototype.huffmanTallyLit=function(t){return this.arrDistances[this.bufferPosition]=0,this.arrLiterals[this.bufferPosition++]=t,this.treeLiteral.codeFrequencies[t]++,this.bufferPosition>=16384},t.prototype.huffmanTallyDist=function(t,e){this.arrDistances[this.bufferPosition]=t,this.arrLiterals[this.bufferPosition++]=e-3;var i=this.huffmanLengthCode(e-3);this.treeLiteral.codeFrequencies[i]++,i>=265&&i<285&&(this.extraBits+=Math.floor((i-261)/4));var r=this.huffmanDistanceCode(t-1);return this.treeDistances.codeFrequencies[r]++,r>=4&&(this.extraBits+=Math.floor(r/2-1)),this.bufferPosition>=16384},t.prototype.huffmanFlushBlock=function(t,e,i,o){this.treeLiteral.codeFrequencies[256]++,this.treeLiteral.buildTree(),this.treeDistances.buildTree(),this.treeLiteral.calculateBLFreq(this.treeCodeLengths),this.treeDistances.calculateBLFreq(this.treeCodeLengths),this.treeCodeLengths.buildTree();for(var f=4,u=18;u>f;u--)this.treeCodeLengths.codeLengths[a.huffCodeLengthOrders[u]]>0&&(f=u+1);for(var d=14+3*f+this.treeCodeLengths.getEncodedLength()+this.treeLiteral.getEncodedLength()+this.treeDistances.getEncodedLength()+this.extraBits,c=this.extraBits,u=0;u<286;u++)c+=this.treeLiteral.codeFrequencies[u]*n[u];for(var u=0;u<30;u++)c+=this.treeDistances.codeFrequencies[u]*h[u];d>=c&&(d=c),e>=0&&i+4<d>>3?this.huffmanFlushStoredBlock(t,e,i,o):d==c?(this.pendingBufferWriteBits(2+(o?1:0),3),this.treeLiteral.setStaticCodes(r,n),this.treeDistances.setStaticCodes(s,h),this.huffmanCompressBlock(),this.huffmanReset()):(this.pendingBufferWriteBits(4+(o?1:0),3),this.huffmanSendAllTrees(f),this.huffmanCompressBlock(),this.huffmanReset())},t.prototype.huffmanFlushStoredBlock=function(t,e,i,r){this.pendingBufferWriteBits(0+(r?1:0),3),this.pendingBufferAlignToByte(),this.pendingBufferWriteShort(i),this.pendingBufferWriteShort(~i),this.pendingBufferWriteByteBlock(t,e,i),this.huffmanReset()},t.prototype.huffmanLengthCode=function(t){if(255===t)return 285;for(var e=257;t>=8;)e+=4,t>>=1;return e+t},t.prototype.huffmanDistanceCode=function(t){for(var e=0;t>=4;)e+=2,t>>=1;return e+t},t.prototype.huffmanSendAllTrees=function(t){this.treeCodeLengths.buildCodes(),this.treeLiteral.buildCodes(),this.treeDistances.buildCodes(),this.pendingBufferWriteBits(this.treeLiteral.treeLength-257,5),this.pendingBufferWriteBits(this.treeDistances.treeLength-1,5),this.pendingBufferWriteBits(t-4,4);for(var e=0;e<t;e++)this.pendingBufferWriteBits(this.treeCodeLengths.codeLengths[a.huffCodeLengthOrders[e]],3);this.treeLiteral.writeTree(this.treeCodeLengths),this.treeDistances.writeTree(this.treeCodeLengths)},t.prototype.huffmanReset=function(){this.bufferPosition=0,this.extraBits=0,this.treeLiteral.reset(),this.treeDistances.reset(),this.treeCodeLengths.reset()},t.prototype.huffmanCompressBlock=function(){for(var t=0;t<this.bufferPosition;t++){var e=255&this.arrLiterals[t],i=this.arrDistances[t];if(0!=i--){var r=this.huffmanLengthCode(e);this.treeLiteral.writeCodeToStream(r);var n=Math.floor((r-261)/4);n>0&&n<=5&&this.pendingBufferWriteBits(e&(1<<n)-1,n);var s=this.huffmanDistanceCode(i);this.treeDistances.writeCodeToStream(s),n=Math.floor(s/2-1),n>0&&this.pendingBufferWriteBits(i&(1<<n)-1,n)}else this.treeLiteral.writeCodeToStream(e)}this.treeLiteral.writeCodeToStream(256)},t.prototype.pendingBufferWriteBits=function(t,e){var i=new Uint32Array(1);i[0]=this.pendingBufCache|t<<this.pendingBufBitsInCache,this.pendingBufCache=i[0],this.pendingBufBitsInCache+=e,this.pendingBufferFlushBits()},t.prototype.pendingBufferFlush=function(t){if(this.pendingBufferFlushBits(),this.pendingBufLength>0){var e=new Uint8Array(this.pendingBufLength);e.set(this.pendingBuffer.subarray(0,this.pendingBufLength),0),this.stream.push(e)}this.pendingBufLength=0},t.prototype.pendingBufferFlushBits=function(){for(var t=0;this.pendingBufBitsInCache>=8&&this.pendingBufLength<65536;)this.pendingBuffer[this.pendingBufLength++]=this.pendingBufCache,this.pendingBufCache>>=8,this.pendingBufBitsInCache-=8,t++;return t},t.prototype.pendingBufferWriteByteBlock=function(t,e,i){var r=t.subarray(e,e+i);this.pendingBuffer.set(r,this.pendingBufLength),this.pendingBufLength+=i},t.prototype.pendingBufferWriteShort=function(t){this.pendingBuffer[this.pendingBufLength++]=t,this.pendingBuffer[this.pendingBufLength++]=t>>8},t.prototype.pendingBufferAlignToByte=function(){this.pendingBufBitsInCache>0&&(this.pendingBuffer[this.pendingBufLength++]=this.pendingBufCache),this.pendingBufCache=0,this.pendingBufBitsInCache=0},t.prototype.close=function(){do{this.pendingBufferFlush(!0),this.compressData(!0)||(this.pendingBufferFlush(!0),this.pendingBufferAlignToByte(),this.noWrap||(this.pendingBufferWriteShortBytes(this.checkSum>>16),this.pendingBufferWriteShortBytes(65535&this.checkSum)),this.pendingBufferFlush(!0))}while(this.inputEnd!==this.inputOffset||0!==this.pendingBufLength)},t.prototype.destroy=function(){this.stream=[],this.stream=void 0,this.pendingBuffer=void 0,this.treeLiteral=void 0,this.treeDistances=void 0,this.treeCodeLengths=void 0,this.arrLiterals=void 0,this.arrDistances=void 0,this.hashHead=void 0,this.hashPrevious=void 0,this.dataWindow=void 0,this.inputBuffer=void 0,this.pendingBufLength=void 0,this.pendingBufCache=void 0,this.pendingBufBitsInCache=void 0,this.bufferPosition=void 0,this.extraBits=void 0,this.currentHash=void 0,this.matchStart=void 0,this.matchLength=void 0,this.matchPrevAvail=void 0,this.blockStart=void 0,this.stringStart=void 0,this.lookAhead=void 0,this.totalBytesIn=void 0,this.inputOffset=void 0,this.inputEnd=void 0,this.windowSize=void 0,this.windowMask=void 0,this.hashSize=void 0,this.hashMask=void 0,this.hashShift=void 0,this.maxDist=void 0,this.checkSum=void 0,this.noWrap=void 0},t}();e.CompressedStreamWriter=o;var a=function(){function t(t,e,i,r){this.writer=t,this.codeMinCount=i,this.maxLength=r,this.codeFrequency=new Int16Array(e),this.lengthCount=new Int32Array(r)}return Object.defineProperty(t.prototype,"treeLength",{get:function(){return this.codeCount},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"codeLengths",{get:function(){return this.codeLength},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"codeFrequencies",{get:function(){return this.codeFrequency},enumerable:!0,configurable:!0}),t.prototype.setStaticCodes=function(t,e){var i=new Int16Array(t.length);i.set(t,0),this.codes=i;var r=new Uint8Array(e.length);r.set(e,0),this.codeLength=r},t.prototype.reset=function(){for(var t=0;t<this.codeFrequency.length;t++)this.codeFrequency[t]=0;this.codes=void 0,this.codeLength=void 0},t.prototype.writeCodeToStream=function(t){this.writer.pendingBufferWriteBits(65535&this.codes[t],this.codeLength[t])},t.prototype.buildCodes=function(){var e=new Int32Array(this.maxLength);this.codes=new Int16Array(this.codeCount);for(var i=0,r=0;r<this.maxLength;r++)e[r]=i,i+=this.lengthCount[r]<<15-r;for(var n=0;n<this.codeCount;n++){var s=this.codeLength[n];s>0&&(this.codes[n]=t.bitReverse(e[s-1]),e[s-1]+=1<<16-s)}},t.bitReverse=function(e){return t.reverseBits[15&e]<<12|t.reverseBits[e>>4&15]<<8|t.reverseBits[e>>8&15]<<4|t.reverseBits[e>>12]},t.prototype.getEncodedLength=function(){for(var t=0,e=0;e<this.codeFrequency.length;e++)t+=this.codeFrequency[e]*this.codeLength[e];return t},t.prototype.calculateBLFreq=function(t){for(var e,i,r,n=-1,s=0;s<this.codeCount;){r=1;var h=this.codeLength[s];for(0===h?(e=138,i=3):(e=6,i=3,n!==h&&(t.codeFrequency[h]++,r=0)),n=h,s++;s<this.codeCount&&n===this.codeLength[s]&&(s++,!(++r>=e)););r<i?t.codeFrequency[n]+=r:0!==n?t.codeFrequency[16]++:r<=10?t.codeFrequency[17]++:t.codeFrequency[18]++}},t.prototype.writeTree=function(t){for(var e,i,r,n=-1,s=0;s<this.codeCount;){r=1;var h=this.codeLength[s];for(0===h?(e=138,i=3):(e=6,i=3,n!==h&&(t.writeCodeToStream(h),r=0)),n=h,s++;s<this.codeCount&&n===this.codeLength[s]&&(s++,!(++r>=e)););if(r<i)for(;r-- >0;)t.writeCodeToStream(n);else 0!==n?(t.writeCodeToStream(16),this.writer.pendingBufferWriteBits(r-3,2)):r<=10?(t.writeCodeToStream(17),this.writer.pendingBufferWriteBits(r-3,3)):(t.writeCodeToStream(18),this.writer.pendingBufferWriteBits(r-11,7))}},t.prototype.buildTree=function(){for(var t=this.codeFrequency.length,e=new Int32Array(t),i=0,r=0,n=0;n<t;n++){var s=this.codeFrequency[n];if(0!==s){for(var h=i++,o=0;h>0&&this.codeFrequency[e[o=Math.floor((h-1)/2)]]>s;)e[h]=e[o],h=o;e[h]=n,r=n}}for(;i<2;)e[i++]=r<2?++r:0;this.codeCount=Math.max(r+1,this.codeMinCount);for(var a=i,f=a,u=new Int32Array(4*i-2),d=new Int32Array(2*i-1),c=0;c<i;c++){var p=e[c],l=2*c;u[l]=p,u[l+1]=-1,d[c]=this.codeFrequency[p]<<8,e[c]=c}this.constructHuffmanTree(e,i,d,f,u),this.buildLength(u)},t.prototype.constructHuffmanTree=function(t,e,i,r,n){do{for(var s=t[0],h=t[--e],o=i[h],a=0,f=1;f<e;)f+1<e&&i[t[f]]>i[t[f+1]]&&f++,t[a]=t[f],a=f,f=2*a+1;for(;(f=a)>0&&i[t[a=Math.floor((f-1)/2)]]>o;)t[f]=t[a];t[f]=h;var u=t[0];h=r++,n[2*h]=s,n[2*h+1]=u;var d=Math.min(255&i[s],255&i[u]);for(i[h]=o=i[s]+i[u]-d+1,a=0,f=1;f<e;)f+1<e&&i[t[f]]>i[t[f+1]]&&f++,t[a]=t[f],a=f,f=2*a+1;for(;(f=a)>0&&i[t[a=Math.floor((f-1)/2)]]>o;)t[f]=t[a];t[f]=h}while(e>1)},t.prototype.buildLength=function(t){this.codeLength=new Uint8Array(this.codeFrequency.length);for(var e=Math.floor(t.length/2),i=Math.floor((e+1)/2),r=0,n=0;n<this.maxLength;n++)this.lengthCount[n]=0;if(0!==(r=this.calculateOptimalCodeLength(t,r,e))){var s=this.maxLength-1;do{for(;0===this.lengthCount[--s];);do{this.lengthCount[s]--,this.lengthCount[++s]++,r-=1<<this.maxLength-1-s}while(r>0&&s<this.maxLength-1)}while(r>0);this.recreateTree(t,r,i)}},t.prototype.recreateTree=function(t,e,i){this.lengthCount[this.maxLength-1]+=e,this.lengthCount[this.maxLength-2]-=e;for(var r=2*i,n=this.maxLength;0!==n;n--)for(var s=this.lengthCount[n-1];s>0;){var h=2*t[r++];-1===t[h+1]&&(this.codeLength[t[h]]=n,s--)}},t.prototype.calculateOptimalCodeLength=function(t,e,i){var r=new Int32Array(i);r[i-1]=0;for(var n=i-1;n>=0;n--){var s=2*n+1;if(-1!==t[s]){var h=r[n]+1;h>this.maxLength&&(h=this.maxLength,e++),r[t[s-1]]=r[t[s]]=h}else{var h=r[n];this.lengthCount[h-1]++,this.codeLength[t[s-1]]=r[n]}}return e},t.reverseBits=[0,8,4,12,2,10,6,14,1,9,5,13,3,11,7,15],t.huffCodeLengthOrders=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],t}();e.CompressorHuffmanTree=a;var f=function(){function t(){}return t.checksumUpdate=function(e,i,r,n){var s=new Uint32Array(1);s[0]=e;for(var h=s[0],o=s[0]=65535&h,a=s[0]=h>>t.checkSumBitOffset;n>0;){var f=Math.min(n,t.checksumIterationCount);for(n-=f;--f>=0;)o+=s[0]=255&i[r++],a+=o;o%=t.checksumBase,a%=t.checksumBase}return h=a<<t.checkSumBitOffset|o},t.checkSumBitOffset=16,t.checksumBase=65521,t.checksumIterationCount=3800,t}();e.ChecksumCalculator=f,function(){for(var t=0;t<144;)r[t]=a.bitReverse(48+t<<8),n[t++]=8;for(;t<256;)r[t]=a.bitReverse(256+t<<7),n[t++]=9;for(;t<280;)r[t]=a.bitReverse(-256+t<<9),n[t++]=7;for(;t<286;)r[t]=a.bitReverse(-88+t<<8),n[t++]=8;for(t=0;t<30;t++)s[t]=a.bitReverse(t<<11),h[t]=5}()}.apply(e,r))&&(t.exports=n)},function(e,i){e.exports=t}])}); | ||
| //# sourceMappingURL=ej2-compression.umd.min.js.map |
| import { Encoding } from '@syncfusion/ej2-file-utils'; | ||
| /** | ||
| * array literal codes | ||
| */ | ||
| var arrLiteralCodes = new Int16Array(286); | ||
@@ -6,3 +9,16 @@ var arrLiteralLengths = new Uint8Array(286); | ||
| var arrDistanceLengths = new Uint8Array(30); | ||
| var CompressedStreamWriter = (function () { | ||
| /** | ||
| * represent compression stream writer | ||
| * ```typescript | ||
| * let compressedWriter = new CompressedStreamWriter(); | ||
| * let text: string = 'Hello world!!!'; | ||
| * compressedWriter.write(text, 0, text.length); | ||
| * compressedWriter.close(); | ||
| * ``` | ||
| */ | ||
| var CompressedStreamWriter = /** @class */ (function () { | ||
| /** | ||
| * Initializes compressor and writes ZLib header if needed. | ||
| * @param {boolean} noWrap - optional if true, ZLib header and checksum will not be written. | ||
| */ | ||
| function CompressedStreamWriter(noWrap) { | ||
@@ -49,2 +65,5 @@ this.pendingBuffer = new Uint8Array(1 << 16); | ||
| Object.defineProperty(CompressedStreamWriter.prototype, "compressedData", { | ||
| /** | ||
| * get compressed data | ||
| */ | ||
| get: function () { | ||
@@ -69,2 +88,9 @@ return this.stream; | ||
| }); | ||
| /** | ||
| * Compresses data and writes it to the stream. | ||
| * @param {Uint8Array} data - data to compress | ||
| * @param {number} offset - offset in data | ||
| * @param {number} length - length of the data | ||
| * @returns {void} | ||
| */ | ||
| CompressedStreamWriter.prototype.write = function (data, offset, length) { | ||
@@ -95,8 +121,20 @@ if (data === undefined || data === null) { | ||
| }; | ||
| /** | ||
| * write ZLib header to the compressed data | ||
| * @return {void} | ||
| */ | ||
| CompressedStreamWriter.prototype.writeZLibHeader = function () { | ||
| /* Initialize header.*/ | ||
| var headerDate = (8 + (7 << 4)) << 8; | ||
| /* Save compression level.*/ | ||
| headerDate |= ((5 >> 2) & 3) << 6; | ||
| /* Align header.*/ | ||
| headerDate += 31 - (headerDate % 31); | ||
| /* Write header to stream.*/ | ||
| this.pendingBufferWriteShortBytes(headerDate); | ||
| }; | ||
| /** | ||
| * Write Most Significant Bytes in to stream | ||
| * @param {number} s - check sum value | ||
| */ | ||
| CompressedStreamWriter.prototype.pendingBufferWriteShortBytes = function (s) { | ||
@@ -261,2 +299,3 @@ this.pendingBuffer[this.pendingBufLength++] = s >> 8; | ||
| scan += 2; | ||
| /* tslint:disable */ | ||
| while (data[++scan] === data[++match] && data[++scan] === data[++match] && | ||
@@ -266,2 +305,3 @@ data[++scan] === data[++match] && data[++scan] === data[++match] && | ||
| data[++scan] === data[++match] && data[++scan] === data[++match] && scan < stringEnd) { | ||
| /* tslint:disable */ | ||
| } | ||
@@ -330,2 +370,3 @@ if (scan > bestEnd) { | ||
| if (opt_len >= static_len) { | ||
| // Force static trees. | ||
| opt_len = static_len; | ||
@@ -337,2 +378,3 @@ } | ||
| else if (opt_len == static_len) { | ||
| // Encode with static tree. | ||
| this.pendingBufferWriteBits((1 << 1) + (lastBlock ? 1 : 0), 3); | ||
@@ -422,2 +464,7 @@ this.treeLiteral.setStaticCodes(arrLiteralCodes, arrLiteralLengths); | ||
| }; | ||
| /** | ||
| * write bits in to internal buffer | ||
| * @param {number} b - source of bits | ||
| * @param {number} count - count of bits to write | ||
| */ | ||
| CompressedStreamWriter.prototype.pendingBufferWriteBits = function (b, count) { | ||
@@ -465,2 +512,6 @@ var uint = new Uint32Array(1); | ||
| }; | ||
| /** | ||
| * close the stream and write all pending buffer in to stream | ||
| * @returns {void} | ||
| */ | ||
| CompressedStreamWriter.prototype.close = function () { | ||
@@ -481,2 +532,6 @@ do { | ||
| }; | ||
| /** | ||
| * release allocated un-managed resource | ||
| * @returns {void} | ||
| */ | ||
| CompressedStreamWriter.prototype.destroy = function () { | ||
@@ -522,3 +577,13 @@ this.stream = []; | ||
| export { CompressedStreamWriter }; | ||
| var CompressorHuffmanTree = (function () { | ||
| /** | ||
| * represent the Huffman Tree | ||
| */ | ||
| var CompressorHuffmanTree = /** @class */ (function () { | ||
| /** | ||
| * Create new Huffman Tree | ||
| * @param {CompressedStreamWriter} writer instance | ||
| * @param {number} elementCount - element count | ||
| * @param {number} minCodes - minimum count | ||
| * @param {number} maxLength - maximum count | ||
| */ | ||
| function CompressorHuffmanTree(writer, elementCount, minCodes, maxLength) { | ||
@@ -560,2 +625,6 @@ this.writer = writer; | ||
| }; | ||
| /** | ||
| * reset all code data in tree | ||
| * @returns {void} | ||
| */ | ||
| CompressorHuffmanTree.prototype.reset = function () { | ||
@@ -568,5 +637,14 @@ for (var i = 0; i < this.codeFrequency.length; i++) { | ||
| }; | ||
| /** | ||
| * write code to the compressor output stream | ||
| * @param {number} code - code to be written | ||
| * @returns {void} | ||
| */ | ||
| CompressorHuffmanTree.prototype.writeCodeToStream = function (code) { | ||
| this.writer.pendingBufferWriteBits(this.codes[code] & 0xffff, this.codeLength[code]); | ||
| }; | ||
| /** | ||
| * calculate code from their frequencies | ||
| * @returns {void} | ||
| */ | ||
| CompressorHuffmanTree.prototype.buildCodes = function () { | ||
@@ -594,2 +672,6 @@ var nextCode = new Int32Array(this.maxLength); | ||
| }; | ||
| /** | ||
| * calculate length of compressed data | ||
| * @returns {number} | ||
| */ | ||
| CompressorHuffmanTree.prototype.getEncodedLength = function () { | ||
@@ -602,2 +684,7 @@ var len = 0; | ||
| }; | ||
| /** | ||
| * calculate code frequencies | ||
| * @param {CompressorHuffmanTree} blTree | ||
| * @returns {void} | ||
| */ | ||
| CompressorHuffmanTree.prototype.calculateBLFreq = function (blTree) { | ||
@@ -646,2 +733,6 @@ var maxCount; | ||
| }; | ||
| /** | ||
| * @param {CompressorHuffmanTree} blTree - write tree to output stream | ||
| * @returns {void} | ||
| */ | ||
| CompressorHuffmanTree.prototype.writeTree = function (blTree) { | ||
@@ -695,2 +786,6 @@ var maxRepeatCount; | ||
| }; | ||
| /** | ||
| * Build huffman tree | ||
| * @returns {void} | ||
| */ | ||
| CompressorHuffmanTree.prototype.buildTree = function () { | ||
@@ -761,2 +856,3 @@ var codesCount = this.codeFrequency.length; | ||
| path = 1; | ||
| /* tslint:disable */ | ||
| while (path < treeLength) { | ||
@@ -769,3 +865,3 @@ if (path + 1 < treeLength && values[arrTree[path]] > values[arrTree[path + 1]]) { | ||
| path = pPos * 2 + 1; | ||
| } | ||
| } /* tslint:disable */ | ||
| while ((path = pPos) > 0 && values[arrTree[pPos = Math.floor((path - 1) / 2)]] > lastVal) { | ||
@@ -792,2 +888,3 @@ arrTree[path] = arrTree[pPos]; | ||
| while (this.lengthCount[--iIncreasableLength] === 0) { | ||
| /* tslint:disable */ | ||
| } | ||
@@ -838,10 +935,22 @@ do { | ||
| }; | ||
| CompressorHuffmanTree.reverseBits = [0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15]; | ||
| CompressorHuffmanTree.huffCodeLengthOrders = [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]; | ||
| return CompressorHuffmanTree; | ||
| }()); | ||
| export { CompressorHuffmanTree }; | ||
| CompressorHuffmanTree.reverseBits = [0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15]; | ||
| CompressorHuffmanTree.huffCodeLengthOrders = [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]; | ||
| var ChecksumCalculator = (function () { | ||
| /** | ||
| * Checksum calculator, based on Adler32 algorithm. | ||
| */ | ||
| var ChecksumCalculator = /** @class */ (function () { | ||
| function ChecksumCalculator() { | ||
| } | ||
| /** | ||
| * Updates checksum by calculating checksum of the | ||
| * given buffer and adding it to current value. | ||
| * @param {number} checksum - current checksum. | ||
| * @param {Uint8Array} buffer - data byte array. | ||
| * @param {number} offset - offset in the buffer. | ||
| * @param {number} length - length of data to be used from the stream. | ||
| * @returns {number} | ||
| */ | ||
| ChecksumCalculator.checksumUpdate = function (checksum, buffer, offset, length) { | ||
@@ -866,8 +975,11 @@ var uint = new Uint32Array(1); | ||
| }; | ||
| ChecksumCalculator.checkSumBitOffset = 16; | ||
| ChecksumCalculator.checksumBase = 65521; | ||
| ChecksumCalculator.checksumIterationCount = 3800; | ||
| return ChecksumCalculator; | ||
| }()); | ||
| export { ChecksumCalculator }; | ||
| ChecksumCalculator.checkSumBitOffset = 16; | ||
| ChecksumCalculator.checksumBase = 65521; | ||
| ChecksumCalculator.checksumIterationCount = 3800; | ||
| /** | ||
| * Huffman Tree literal calculation | ||
| */ | ||
| (function () { | ||
@@ -874,0 +986,0 @@ var i = 0; |
@@ -0,2 +1,5 @@ | ||
| /** | ||
| * export ZipArchive class | ||
| */ | ||
| export * from './zip-archive'; | ||
| export * from './compression-writer'; |
| import { CompressedStreamWriter } from './compression-writer'; | ||
| import { Save } from '@syncfusion/ej2-file-utils'; | ||
| var crc32Table = []; | ||
| var ZipArchive = (function () { | ||
| /** | ||
| * class provide compression library | ||
| * ```typescript | ||
| * let archive = new ZipArchive(); | ||
| * archive.compressionLevel = 'Normal'; | ||
| * let archiveItem = new ZipArchiveItem(archive, 'directoryName\fileName.txt'); | ||
| * archive.addItem(archiveItem); | ||
| * archive.save(fileName.zip); | ||
| * ``` | ||
| */ | ||
| var ZipArchive = /** @class */ (function () { | ||
| /** | ||
| * constructor for creating ZipArchive instance | ||
| */ | ||
| function ZipArchive() { | ||
@@ -11,5 +24,11 @@ this.files = []; | ||
| Object.defineProperty(ZipArchive.prototype, "compressionLevel", { | ||
| /** | ||
| * gets compression level | ||
| */ | ||
| get: function () { | ||
| return this.level; | ||
| }, | ||
| /** | ||
| * sets compression level | ||
| */ | ||
| set: function (level) { | ||
@@ -22,2 +41,5 @@ this.level = level; | ||
| Object.defineProperty(ZipArchive.prototype, "length", { | ||
| /** | ||
| * gets items count | ||
| */ | ||
| get: function () { | ||
@@ -32,2 +54,7 @@ if (this.files === undefined) { | ||
| }); | ||
| /** | ||
| * add new item to archive | ||
| * @param {ZipArchiveItem} item - item to be added | ||
| * @returns {void} | ||
| */ | ||
| ZipArchive.prototype.addItem = function (item) { | ||
@@ -47,2 +74,7 @@ if (item === null || item === undefined) { | ||
| }; | ||
| /** | ||
| * add new directory to archive | ||
| * @param directoryName directoryName to be created | ||
| * @returns {void} | ||
| */ | ||
| ZipArchive.prototype.addDirectory = function (directoryName) { | ||
@@ -63,2 +95,7 @@ if (directoryName === null || directoryName === undefined) { | ||
| }; | ||
| /** | ||
| * gets item at specified index | ||
| * @param {number} index - item index | ||
| * @returns {ZipArchiveItem} | ||
| */ | ||
| ZipArchive.prototype.getItem = function (index) { | ||
@@ -70,5 +107,15 @@ if (index >= 0 && index < this.files.length) { | ||
| }; | ||
| /** | ||
| * determines whether an element is in the collection | ||
| * @param {string | ZipArchiveItem} item - item to search | ||
| * @returns {boolean} | ||
| */ | ||
| ZipArchive.prototype.contains = function (item) { | ||
| return this.files.indexOf(item) !== -1 ? true : false; | ||
| }; | ||
| /** | ||
| * save archive with specified file name | ||
| * @param {string} fileName save archive with specified file name | ||
| * @returns {Promise<ZipArchive>} | ||
| */ | ||
| ZipArchive.prototype.save = function (fileName) { | ||
@@ -99,2 +146,6 @@ var _this = this; | ||
| }; | ||
| /** | ||
| * release allocated un-managed resource | ||
| * @returns {void} | ||
| */ | ||
| ZipArchive.prototype.destroy = function () { | ||
@@ -133,3 +184,3 @@ if (this.files !== undefined && this.files.length > 0) { | ||
| data.compressedSize = length_1; | ||
| data.compressionType = '\x08\x00'; | ||
| data.compressionType = '\x08\x00'; //Deflated = 8 | ||
| } | ||
@@ -139,3 +190,3 @@ else { | ||
| data.crc32Value = zipArchive.calculateCrc32Value(0, input, crc32Table); | ||
| data.compressionType = '\x00\x00'; | ||
| data.compressionType = '\x00\x00'; // Stored = 0 | ||
| data.compressedData.push(input); | ||
@@ -179,3 +230,3 @@ } | ||
| if (isDirectory) { | ||
| extFileAttr = extFileAttr | 0x00010; | ||
| extFileAttr = extFileAttr | 0x00010; // directory flag | ||
| } | ||
@@ -191,11 +242,11 @@ extFileAttr = extFileAttr | (0 & 0x3F); | ||
| var zipHeader = ''; | ||
| zipHeader += '\x0A\x00' + '\x00\x00'; | ||
| zipHeader += data.compressionType; | ||
| zipHeader += this.getBytes(this.getModifiedTime(date), 2); | ||
| zipHeader += this.getBytes(this.getModifiedDate(date), 2); | ||
| zipHeader += this.getBytes(data.crc32Value, 4); | ||
| zipHeader += this.getBytes(data.compressedSize, 4); | ||
| zipHeader += this.getBytes(data.uncompressedDataSize, 4); | ||
| zipHeader += this.getBytes(data.fileName.length, 2); | ||
| zipHeader += this.getBytes(0, 2); | ||
| zipHeader += '\x0A\x00' + '\x00\x00'; // version needed to extract & general purpose bit flag | ||
| zipHeader += data.compressionType; // compression method Deflate=8,Stored=0 | ||
| zipHeader += this.getBytes(this.getModifiedTime(date), 2); // last modified Time | ||
| zipHeader += this.getBytes(this.getModifiedDate(date), 2); // last modified date | ||
| zipHeader += this.getBytes(data.crc32Value, 4); // crc-32 value | ||
| zipHeader += this.getBytes(data.compressedSize, 4); // compressed file size | ||
| zipHeader += this.getBytes(data.uncompressedDataSize, 4); // uncompressed file size | ||
| zipHeader += this.getBytes(data.fileName.length, 2); // file name length | ||
| zipHeader += this.getBytes(0, 2); // extra field length | ||
| return zipHeader; | ||
@@ -222,7 +273,7 @@ }; | ||
| var directoryHeader = 'PK\x01\x02' + | ||
| this.getBytes(0x0014, 2) + localHeader + | ||
| this.getBytes(0, 2) + | ||
| '\x00\x00' + '\x00\x00' + | ||
| this.getBytes(externalFileAttribute, 4) + | ||
| this.getBytes(offset, 4) + | ||
| this.getBytes(0x0014, 2) + localHeader + // inherit from file header | ||
| this.getBytes(0, 2) + // comment length | ||
| '\x00\x00' + '\x00\x00' + // internal file attributes | ||
| this.getBytes(externalFileAttribute, 4) + // external file attributes | ||
| this.getBytes(offset, 4) + // local fileHeader relative offset | ||
| data.fileName; | ||
@@ -277,3 +328,14 @@ return directoryHeader; | ||
| export { ZipArchive }; | ||
| var ZipArchiveItem = (function () { | ||
| /** | ||
| * Class represent unique ZipArchive item | ||
| * ```typescript | ||
| * let archiveItem = new ZipArchiveItem(archive, 'directoryName\fileName.txt'); | ||
| * ``` | ||
| */ | ||
| var ZipArchiveItem = /** @class */ (function () { | ||
| /** | ||
| * constructor for creating {ZipArchiveItem} instance | ||
| * @param {Blob|ArrayBuffer} data file data | ||
| * @param {itemName} itemName absolute file path | ||
| */ | ||
| function ZipArchiveItem(data, itemName) { | ||
@@ -293,5 +355,13 @@ if (data === null || data === undefined) { | ||
| Object.defineProperty(ZipArchiveItem.prototype, "name", { | ||
| /** | ||
| * Get the name of archive item | ||
| * @returns string | ||
| */ | ||
| get: function () { | ||
| return this.fileName; | ||
| }, | ||
| /** | ||
| * Set the name of archive item | ||
| * @param {string} value | ||
| */ | ||
| set: function (value) { | ||
@@ -303,2 +373,6 @@ this.fileName = value; | ||
| }); | ||
| /** | ||
| * release allocated un-managed resource | ||
| * @returns {void} | ||
| */ | ||
| ZipArchiveItem.prototype.destroy = function () { | ||
@@ -311,2 +385,5 @@ this.fileName = undefined; | ||
| export { ZipArchiveItem }; | ||
| /** | ||
| * construct cyclic redundancy code table | ||
| */ | ||
| (function () { | ||
@@ -313,0 +390,0 @@ var i; |
| { | ||
| "name": "@syncfusion/ej2-compression", | ||
| "version": "15.4.17", | ||
| "version": "15.4.20", | ||
| "description": "Essential JS 2 Compression library", | ||
@@ -9,3 +9,3 @@ "author": "Syncfusion Inc.", | ||
| "dependencies": { | ||
| "@syncfusion/ej2-file-utils": "^15.4.17" | ||
| "@syncfusion/ej2-file-utils": "^15.4.20" | ||
| }, | ||
@@ -12,0 +12,0 @@ "devDependencies": { |
@@ -819,6 +819,6 @@ define(["require", "exports", "@syncfusion/ej2-file-utils"], function (require, exports, ej2_file_utils_1) { | ||
| }; | ||
| CompressorHuffmanTree.reverseBits = [0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15]; | ||
| CompressorHuffmanTree.huffCodeLengthOrders = [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]; | ||
| return CompressorHuffmanTree; | ||
| }()); | ||
| CompressorHuffmanTree.reverseBits = [0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15]; | ||
| CompressorHuffmanTree.huffCodeLengthOrders = [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]; | ||
| exports.CompressorHuffmanTree = CompressorHuffmanTree; | ||
@@ -847,7 +847,7 @@ var ChecksumCalculator = (function () { | ||
| }; | ||
| ChecksumCalculator.checkSumBitOffset = 16; | ||
| ChecksumCalculator.checksumBase = 65521; | ||
| ChecksumCalculator.checksumIterationCount = 3800; | ||
| return ChecksumCalculator; | ||
| }()); | ||
| ChecksumCalculator.checkSumBitOffset = 16; | ||
| ChecksumCalculator.checksumBase = 65521; | ||
| ChecksumCalculator.checksumIterationCount = 3800; | ||
| exports.ChecksumCalculator = ChecksumCalculator; | ||
@@ -854,0 +854,0 @@ (function () { |
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