FM / core

/var/www/greso.tech/server/nsm/node_modules/qrcode/lib/core/

/var/www/greso.tech/server/nsm/node_modules/qrcode/lib/core

Name	Size	Mode	Actions
alignment-pattern.js	2996	0644	edit dl rm
alphanumeric-data.js	1822	0644	edit dl rm
bit-buffer.js	719	0644	edit dl rm
bit-matrix.js	1501	0644	edit dl rm
byte-data.js	685	0644	edit dl rm
error-correction-code.js	3415	0755	edit dl rm
error-correction-level.js	893	0644	edit dl rm
finder-pattern.js	599	0644	edit dl rm
format-info.js	1126	0644	edit dl rm
galois-field.js	1899	0644	edit dl rm
kanji-data.js	1584	0644	edit dl rm
mask-pattern.js	6101	0644	edit dl rm
mode.js	3983	0644	edit dl rm
numeric-data.js	1211	0644	edit dl rm
polynomial.js	1589	0644	edit dl rm
qrcode.js	15128	0644	edit dl rm
reed-solomon-encoder.js	1625	0644	edit dl rm
regex.js	1084	0644	edit dl rm
segments.js	9331	0644	edit dl rm
utils.js	1621	0644	edit dl rm
version-check.js	268	0644	edit dl rm
version.js	4928	0755	edit dl rm

Edit: /var/www/greso.tech/server/nsm/node_modules/qrcode/lib/core/reed-solomon-encoder.js (1625B)

const Polynomial = require('./polynomial')

function ReedSolomonEncoder (degree) {
  this.genPoly = undefined
  this.degree = degree

if (this.degree) this.initialize(this.degree)
}

/**
 * Initialize the encoder.
 * The input param should correspond to the number of error correction codewords.
 *
 * @param  {Number} degree
 */
ReedSolomonEncoder.prototype.initialize = function initialize (degree) {
  // create an irreducible generator polynomial
  this.degree = degree
  this.genPoly = Polynomial.generateECPolynomial(this.degree)
}

/**
 * Encodes a chunk of data
 *
 * @param  {Uint8Array} data Buffer containing input data
 * @return {Uint8Array}      Buffer containing encoded data
 */
ReedSolomonEncoder.prototype.encode = function encode (data) {
  if (!this.genPoly) {
    throw new Error('Encoder not initialized')
  }

// Calculate EC for this data block
  // extends data size to data+genPoly size
  const paddedData = new Uint8Array(data.length + this.degree)
  paddedData.set(data)

// The error correction codewords are the remainder after dividing the data codewords
  // by a generator polynomial
  const remainder = Polynomial.mod(paddedData, this.genPoly)

// return EC data blocks (last n byte, where n is the degree of genPoly)
  // If coefficients number in remainder are less than genPoly degree,
  // pad with 0s to the left to reach the needed number of coefficients
  const start = this.degree - remainder.length
  if (start > 0) {
    const buff = new Uint8Array(this.degree)
    buff.set(remainder, start)

return buff
  }

return remainder
}

module.exports = ReedSolomonEncoder

const Polynomial = require('./polynomial') function ReedSolomonEncoder (degree) { this.genPoly = undefined this.degree = degree if (this.degree) this.initialize(this.degree) } /** * Initialize the encoder. * The input param should correspond to the number of error correction codewords. * * @param {Number} degree */ ReedSolomonEncoder.prototype.initialize = function initialize (degree) { // create an irreducible generator polynomial this.degree = degree this.genPoly = Polynomial.generateECPolynomial(this.degree) } /** * Encodes a chunk of data * * @param {Uint8Array} data Buffer containing input data * @return {Uint8Array} Buffer containing encoded data */ ReedSolomonEncoder.prototype.encode = function encode (data) { if (!this.genPoly) { throw new Error('Encoder not initialized') } // Calculate EC for this data block // extends data size to data+genPoly size const paddedData = new Uint8Array(data.length + this.degree) paddedData.set(data) // The error correction codewords are the remainder after dividing the data codewords // by a generator polynomial const remainder = Polynomial.mod(paddedData, this.genPoly) // return EC data blocks (last n byte, where n is the degree of genPoly) // If coefficients number in remainder are less than genPoly degree, // pad with 0s to the left to reach the needed number of coefficients const start = this.degree - remainder.length if (start > 0) { const buff = new Uint8Array(this.degree) buff.set(remainder, start) return buff } return remainder } module.exports = ReedSolomonEncoder