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Düzenlenen Dosya: reader_buffer.js

"use strict";
module.exports = BufferReader;

// extends Reader
var Reader = require("./reader");
(BufferReader.prototype = Object.create(Reader.prototype)).constructor = BufferReader;

var util = require("./util/minimal");

/**
 * Constructs a new buffer reader instance.
 * @classdesc Wire format reader using node buffers.
 * @extends Reader
 * @constructor
 * @param {Buffer} buffer Buffer to read from
 */
function BufferReader(buffer) {
    Reader.call(this, buffer);

/**
     * Read buffer.
     * @name BufferReader#buf
     * @type {Buffer}
     */
}

BufferReader._configure = function () {
    /* istanbul ignore else */
    if (util.Buffer)
        BufferReader.prototype._slice = util.Buffer.prototype.slice;
};

/**
 * @override
 */
BufferReader.prototype.string = function read_string_buffer() {
    var len = this.uint32(); // modifies pos
    return this.buf.utf8Slice
        ? this.buf.utf8Slice(this.pos, this.pos = Math.min(this.pos + len, this.len))
        : this.buf.toString("utf-8", this.pos, this.pos = Math.min(this.pos + len, this.len));
};

/**
 * Reads a sequence of bytes preceeded by its length as a varint.
 * @name BufferReader#bytes
 * @function
 * @returns {Buffer} Value read
 */

BufferReader._configure();

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