/
home
/
infinitibizsol
/
.trash
/
node_modules.9
/
@smithy
/
core
/
dist-es
/
submodules
/
cbor
/
File Upload :
llllll
Current File: /home/infinitibizsol/.trash/node_modules.9/@smithy/core/dist-es/submodules/cbor/cbor-encode.js
import { fromUtf8 } from "@smithy/util-utf8"; import { extendedFloat16, extendedFloat32, extendedFloat64, majorList, majorMap, majorNegativeInt64, majorSpecial, majorUint64, majorUnstructuredByteString, majorUtf8String, specialFalse, specialNull, specialTrue, } from "./cbor-types"; import { alloc } from "./cbor-types"; const USE_BUFFER = typeof Buffer !== "undefined"; const initialSize = 2048; let data = alloc(initialSize); let dataView = new DataView(data.buffer, data.byteOffset, data.byteLength); let cursor = 0; function ensureSpace(bytes) { const remaining = data.byteLength - cursor; if (remaining < bytes) { if (cursor < 16000000) { resize(Math.max(data.byteLength * 4, data.byteLength + bytes)); } else { resize(data.byteLength + bytes + 16000000); } } } export function toUint8Array() { const out = alloc(cursor); out.set(data.subarray(0, cursor), 0); cursor = 0; return out; } export function resize(size) { const old = data; data = alloc(size); if (old) { if (old.copy) { old.copy(data, 0, 0, old.byteLength); } else { data.set(old, 0); } } dataView = new DataView(data.buffer, data.byteOffset, data.byteLength); } function encodeHeader(major, value) { if (value < 24) { data[cursor++] = (major << 5) | value; } else if (value < 1 << 8) { data[cursor++] = (major << 5) | 24; data[cursor++] = value; } else if (value < 1 << 16) { data[cursor++] = (major << 5) | extendedFloat16; dataView.setUint16(cursor, value); cursor += 2; } else if (value < 2 ** 32) { data[cursor++] = (major << 5) | extendedFloat32; dataView.setUint32(cursor, value); cursor += 4; } else { data[cursor++] = (major << 5) | extendedFloat64; dataView.setBigUint64(cursor, typeof value === "bigint" ? value : BigInt(value)); cursor += 8; } } export function encode(_input) { const encodeStack = [_input]; while (encodeStack.length) { const input = encodeStack.pop(); ensureSpace(typeof input === "string" ? input.length * 4 : 64); if (typeof input === "string") { if (USE_BUFFER) { encodeHeader(majorUtf8String, Buffer.byteLength(input)); cursor += data.write(input, cursor); } else { const bytes = fromUtf8(input); encodeHeader(majorUtf8String, bytes.byteLength); data.set(bytes, cursor); cursor += bytes.byteLength; } continue; } else if (typeof input === "number") { if (Number.isInteger(input)) { const nonNegative = input >= 0; const major = nonNegative ? majorUint64 : majorNegativeInt64; const value = nonNegative ? input : -input - 1; if (value < 24) { data[cursor++] = (major << 5) | value; } else if (value < 256) { data[cursor++] = (major << 5) | 24; data[cursor++] = value; } else if (value < 65536) { data[cursor++] = (major << 5) | extendedFloat16; data[cursor++] = value >> 8; data[cursor++] = value; } else if (value < 4294967296) { data[cursor++] = (major << 5) | extendedFloat32; dataView.setUint32(cursor, value); cursor += 4; } else { data[cursor++] = (major << 5) | extendedFloat64; dataView.setBigUint64(cursor, BigInt(value)); cursor += 8; } continue; } data[cursor++] = (majorSpecial << 5) | extendedFloat64; dataView.setFloat64(cursor, input); cursor += 8; continue; } else if (typeof input === "bigint") { const nonNegative = input >= 0; const major = nonNegative ? majorUint64 : majorNegativeInt64; const value = nonNegative ? input : -input - BigInt(1); const n = Number(value); if (n < 24) { data[cursor++] = (major << 5) | n; } else if (n < 256) { data[cursor++] = (major << 5) | 24; data[cursor++] = n; } else if (n < 65536) { data[cursor++] = (major << 5) | extendedFloat16; data[cursor++] = n >> 8; data[cursor++] = n & 255; } else if (n < 4294967296) { data[cursor++] = (major << 5) | extendedFloat32; dataView.setUint32(cursor, n); cursor += 4; } else { data[cursor++] = (major << 5) | extendedFloat64; dataView.setBigUint64(cursor, value); cursor += 8; } continue; } else if (input === null) { data[cursor++] = (majorSpecial << 5) | specialNull; continue; } else if (typeof input === "boolean") { data[cursor++] = (majorSpecial << 5) | (input ? specialTrue : specialFalse); continue; } else if (typeof input === "undefined") { throw new Error("@smithy/core/cbor: client may not serialize undefined value."); } else if (Array.isArray(input)) { for (let i = input.length - 1; i >= 0; --i) { encodeStack.push(input[i]); } encodeHeader(majorList, input.length); continue; } else if (typeof input.byteLength === "number") { ensureSpace(input.length * 2); encodeHeader(majorUnstructuredByteString, input.length); data.set(input, cursor); cursor += input.byteLength; continue; } else if (typeof input === "object") { const keys = Object.keys(input); for (let i = keys.length - 1; i >= 0; --i) { const key = keys[i]; encodeStack.push(input[key]); encodeStack.push(key); } encodeHeader(majorMap, keys.length); continue; } throw new Error(`data type ${input?.constructor?.name ?? typeof input} not compatible for encoding.`); } }
Copyright ©2k19 -
Hexid
|
Tex7ure