26 lines
990 B
JavaScript
26 lines
990 B
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.RandomUint8ArrayReader = void 0;
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/**
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* Provides abstract Uint8Array access via the IRandomRead interface
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*/
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class RandomUint8ArrayReader {
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constructor(uint8Array) {
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this.uint8Array = uint8Array;
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this.fileSize = uint8Array.length;
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}
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/**
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* Read from a given position of an abstracted file or buffer.
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* @param uint8Array - Uint8Array that the data will be written to.
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* @param offset - Offset in the buffer to start writing at.
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* @param length - Integer specifying the number of bytes to read.
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* @param position - Specifies where to begin reading from in the file.
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* @return Promise providing bytes read
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*/
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async randomRead(uint8Array, offset, length, position) {
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uint8Array.set(this.uint8Array.subarray(position, position + length), offset);
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return length;
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}
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}
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exports.RandomUint8ArrayReader = RandomUint8ArrayReader;
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