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- /*!
- Copyright (c) Peculiar Ventures, LLC
- */
- function getUTCDate(date) {
- return new Date(date.getTime() + (date.getTimezoneOffset() * 60000));
- }
- function getParametersValue(parameters, name, defaultValue) {
- var _a;
- if ((parameters instanceof Object) === false) {
- return defaultValue;
- }
- return (_a = parameters[name]) !== null && _a !== void 0 ? _a : defaultValue;
- }
- function bufferToHexCodes(inputBuffer, inputOffset = 0, inputLength = (inputBuffer.byteLength - inputOffset), insertSpace = false) {
- let result = "";
- for (const item of (new Uint8Array(inputBuffer, inputOffset, inputLength))) {
- const str = item.toString(16).toUpperCase();
- if (str.length === 1) {
- result += "0";
- }
- result += str;
- if (insertSpace) {
- result += " ";
- }
- }
- return result.trim();
- }
- function checkBufferParams(baseBlock, inputBuffer, inputOffset, inputLength) {
- if (!(inputBuffer instanceof ArrayBuffer)) {
- baseBlock.error = "Wrong parameter: inputBuffer must be \"ArrayBuffer\"";
- return false;
- }
- if (!inputBuffer.byteLength) {
- baseBlock.error = "Wrong parameter: inputBuffer has zero length";
- return false;
- }
- if (inputOffset < 0) {
- baseBlock.error = "Wrong parameter: inputOffset less than zero";
- return false;
- }
- if (inputLength < 0) {
- baseBlock.error = "Wrong parameter: inputLength less than zero";
- return false;
- }
- if ((inputBuffer.byteLength - inputOffset - inputLength) < 0) {
- baseBlock.error = "End of input reached before message was fully decoded (inconsistent offset and length values)";
- return false;
- }
- return true;
- }
- function utilFromBase(inputBuffer, inputBase) {
- let result = 0;
- if (inputBuffer.length === 1) {
- return inputBuffer[0];
- }
- for (let i = (inputBuffer.length - 1); i >= 0; i--) {
- result += inputBuffer[(inputBuffer.length - 1) - i] * Math.pow(2, inputBase * i);
- }
- return result;
- }
- function utilToBase(value, base, reserved = (-1)) {
- const internalReserved = reserved;
- let internalValue = value;
- let result = 0;
- let biggest = Math.pow(2, base);
- for (let i = 1; i < 8; i++) {
- if (value < biggest) {
- let retBuf;
- if (internalReserved < 0) {
- retBuf = new ArrayBuffer(i);
- result = i;
- }
- else {
- if (internalReserved < i) {
- return (new ArrayBuffer(0));
- }
- retBuf = new ArrayBuffer(internalReserved);
- result = internalReserved;
- }
- const retView = new Uint8Array(retBuf);
- for (let j = (i - 1); j >= 0; j--) {
- const basis = Math.pow(2, j * base);
- retView[result - j - 1] = Math.floor(internalValue / basis);
- internalValue -= (retView[result - j - 1]) * basis;
- }
- return retBuf;
- }
- biggest *= Math.pow(2, base);
- }
- return new ArrayBuffer(0);
- }
- function utilConcatBuf(...buffers) {
- let outputLength = 0;
- let prevLength = 0;
- for (const buffer of buffers) {
- outputLength += buffer.byteLength;
- }
- const retBuf = new ArrayBuffer(outputLength);
- const retView = new Uint8Array(retBuf);
- for (const buffer of buffers) {
- retView.set(new Uint8Array(buffer), prevLength);
- prevLength += buffer.byteLength;
- }
- return retBuf;
- }
- function utilConcatView(...views) {
- let outputLength = 0;
- let prevLength = 0;
- for (const view of views) {
- outputLength += view.length;
- }
- const retBuf = new ArrayBuffer(outputLength);
- const retView = new Uint8Array(retBuf);
- for (const view of views) {
- retView.set(view, prevLength);
- prevLength += view.length;
- }
- return retView;
- }
- function utilDecodeTC() {
- const buf = new Uint8Array(this.valueHex);
- if (this.valueHex.byteLength >= 2) {
- const condition1 = (buf[0] === 0xFF) && (buf[1] & 0x80);
- const condition2 = (buf[0] === 0x00) && ((buf[1] & 0x80) === 0x00);
- if (condition1 || condition2) {
- this.warnings.push("Needlessly long format");
- }
- }
- const bigIntBuffer = new ArrayBuffer(this.valueHex.byteLength);
- const bigIntView = new Uint8Array(bigIntBuffer);
- for (let i = 0; i < this.valueHex.byteLength; i++) {
- bigIntView[i] = 0;
- }
- bigIntView[0] = (buf[0] & 0x80);
- const bigInt = utilFromBase(bigIntView, 8);
- const smallIntBuffer = new ArrayBuffer(this.valueHex.byteLength);
- const smallIntView = new Uint8Array(smallIntBuffer);
- for (let j = 0; j < this.valueHex.byteLength; j++) {
- smallIntView[j] = buf[j];
- }
- smallIntView[0] &= 0x7F;
- const smallInt = utilFromBase(smallIntView, 8);
- return (smallInt - bigInt);
- }
- function utilEncodeTC(value) {
- const modValue = (value < 0) ? (value * (-1)) : value;
- let bigInt = 128;
- for (let i = 1; i < 8; i++) {
- if (modValue <= bigInt) {
- if (value < 0) {
- const smallInt = bigInt - modValue;
- const retBuf = utilToBase(smallInt, 8, i);
- const retView = new Uint8Array(retBuf);
- retView[0] |= 0x80;
- return retBuf;
- }
- let retBuf = utilToBase(modValue, 8, i);
- let retView = new Uint8Array(retBuf);
- if (retView[0] & 0x80) {
- const tempBuf = retBuf.slice(0);
- const tempView = new Uint8Array(tempBuf);
- retBuf = new ArrayBuffer(retBuf.byteLength + 1);
- retView = new Uint8Array(retBuf);
- for (let k = 0; k < tempBuf.byteLength; k++) {
- retView[k + 1] = tempView[k];
- }
- retView[0] = 0x00;
- }
- return retBuf;
- }
- bigInt *= Math.pow(2, 8);
- }
- return (new ArrayBuffer(0));
- }
- function isEqualBuffer(inputBuffer1, inputBuffer2) {
- if (inputBuffer1.byteLength !== inputBuffer2.byteLength) {
- return false;
- }
- const view1 = new Uint8Array(inputBuffer1);
- const view2 = new Uint8Array(inputBuffer2);
- for (let i = 0; i < view1.length; i++) {
- if (view1[i] !== view2[i]) {
- return false;
- }
- }
- return true;
- }
- function padNumber(inputNumber, fullLength) {
- const str = inputNumber.toString(10);
- if (fullLength < str.length) {
- return "";
- }
- const dif = fullLength - str.length;
- const padding = new Array(dif);
- for (let i = 0; i < dif; i++) {
- padding[i] = "0";
- }
- const paddingString = padding.join("");
- return paddingString.concat(str);
- }
- const base64Template = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
- const base64UrlTemplate = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_=";
- function toBase64(input, useUrlTemplate = false, skipPadding = false, skipLeadingZeros = false) {
- let i = 0;
- let flag1 = 0;
- let flag2 = 0;
- let output = "";
- const template = (useUrlTemplate) ? base64UrlTemplate : base64Template;
- if (skipLeadingZeros) {
- let nonZeroPosition = 0;
- for (let i = 0; i < input.length; i++) {
- if (input.charCodeAt(i) !== 0) {
- nonZeroPosition = i;
- break;
- }
- }
- input = input.slice(nonZeroPosition);
- }
- while (i < input.length) {
- const chr1 = input.charCodeAt(i++);
- if (i >= input.length) {
- flag1 = 1;
- }
- const chr2 = input.charCodeAt(i++);
- if (i >= input.length) {
- flag2 = 1;
- }
- const chr3 = input.charCodeAt(i++);
- const enc1 = chr1 >> 2;
- const enc2 = ((chr1 & 0x03) << 4) | (chr2 >> 4);
- let enc3 = ((chr2 & 0x0F) << 2) | (chr3 >> 6);
- let enc4 = chr3 & 0x3F;
- if (flag1 === 1) {
- enc3 = enc4 = 64;
- }
- else {
- if (flag2 === 1) {
- enc4 = 64;
- }
- }
- if (skipPadding) {
- if (enc3 === 64) {
- output += `${template.charAt(enc1)}${template.charAt(enc2)}`;
- }
- else {
- if (enc4 === 64) {
- output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}`;
- }
- else {
- output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}${template.charAt(enc4)}`;
- }
- }
- }
- else {
- output += `${template.charAt(enc1)}${template.charAt(enc2)}${template.charAt(enc3)}${template.charAt(enc4)}`;
- }
- }
- return output;
- }
- function fromBase64(input, useUrlTemplate = false, cutTailZeros = false) {
- const template = (useUrlTemplate) ? base64UrlTemplate : base64Template;
- function indexOf(toSearch) {
- for (let i = 0; i < 64; i++) {
- if (template.charAt(i) === toSearch)
- return i;
- }
- return 64;
- }
- function test(incoming) {
- return ((incoming === 64) ? 0x00 : incoming);
- }
- let i = 0;
- let output = "";
- while (i < input.length) {
- const enc1 = indexOf(input.charAt(i++));
- const enc2 = (i >= input.length) ? 0x00 : indexOf(input.charAt(i++));
- const enc3 = (i >= input.length) ? 0x00 : indexOf(input.charAt(i++));
- const enc4 = (i >= input.length) ? 0x00 : indexOf(input.charAt(i++));
- const chr1 = (test(enc1) << 2) | (test(enc2) >> 4);
- const chr2 = ((test(enc2) & 0x0F) << 4) | (test(enc3) >> 2);
- const chr3 = ((test(enc3) & 0x03) << 6) | test(enc4);
- output += String.fromCharCode(chr1);
- if (enc3 !== 64) {
- output += String.fromCharCode(chr2);
- }
- if (enc4 !== 64) {
- output += String.fromCharCode(chr3);
- }
- }
- if (cutTailZeros) {
- const outputLength = output.length;
- let nonZeroStart = (-1);
- for (let i = (outputLength - 1); i >= 0; i--) {
- if (output.charCodeAt(i) !== 0) {
- nonZeroStart = i;
- break;
- }
- }
- if (nonZeroStart !== (-1)) {
- output = output.slice(0, nonZeroStart + 1);
- }
- else {
- output = "";
- }
- }
- return output;
- }
- function arrayBufferToString(buffer) {
- let resultString = "";
- const view = new Uint8Array(buffer);
- for (const element of view) {
- resultString += String.fromCharCode(element);
- }
- return resultString;
- }
- function stringToArrayBuffer(str) {
- const stringLength = str.length;
- const resultBuffer = new ArrayBuffer(stringLength);
- const resultView = new Uint8Array(resultBuffer);
- for (let i = 0; i < stringLength; i++) {
- resultView[i] = str.charCodeAt(i);
- }
- return resultBuffer;
- }
- const log2 = Math.log(2);
- function nearestPowerOf2(length) {
- const base = (Math.log(length) / log2);
- const floor = Math.floor(base);
- const round = Math.round(base);
- return ((floor === round) ? floor : round);
- }
- function clearProps(object, propsArray) {
- for (const prop of propsArray) {
- delete object[prop];
- }
- }
- export { arrayBufferToString, bufferToHexCodes, checkBufferParams, clearProps, fromBase64, getParametersValue, getUTCDate, isEqualBuffer, nearestPowerOf2, padNumber, stringToArrayBuffer, toBase64, utilConcatBuf, utilConcatView, utilDecodeTC, utilEncodeTC, utilFromBase, utilToBase };
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