FM / dns-txt

/var/www/cobraambalaj/node_modules/dns-txt/

/var/www/cobraambalaj/node_modules/dns-txt

Name	Size	Mode	Actions
.npmignore	13	0644	edit dl rm
.travis.yml	162	0644	edit dl rm
index.js	2604	0644	edit dl rm
LICENSE	1086	0644	edit dl rm
package.json	1684	0644	edit dl rm
README.md	2806	0644	edit dl rm
test.js	3999	0644	edit dl rm

Edit: /var/www/cobraambalaj/node_modules/dns-txt/index.js (2604B)

'use strict'

var bindexOf = require('buffer-indexof')

var equalSign = new Buffer('=')

module.exports = function (opts) {
  var binary = opts ? opts.binary : false
  var that = {}

that.encode = function (data, buf, offset) {
    if (!data) data = {}
    if (!offset) offset = 0
    if (!buf) buf = new Buffer(that.encodingLength(data) + offset)

var oldOffset = offset
    var keys = Object.keys(data)

if (keys.length === 0) {
      buf[offset] = 0
      offset++
    }

keys.forEach(function (key) {
      var val = data[key]
      var oldOffset = offset
      offset++

if (val === true) {
        offset += buf.write(key, offset)
      } else if (Buffer.isBuffer(val)) {
        offset += buf.write(key + '=', offset)
        var len = val.length
        val.copy(buf, offset, 0, len)
        offset += len
      } else {
        offset += buf.write(key + '=' + val, offset)
      }

buf[oldOffset] = offset - oldOffset - 1
    })

that.encode.bytes = offset - oldOffset
    return buf
  }

that.decode = function (buf, offset, len) {
    if (!offset) offset = 0
    if (!Number.isFinite(len)) len = buf.length
    var data = {}
    var oldOffset = offset

while (offset < len) {
      var b = decodeBlock(buf, offset)
      var i = bindexOf(b, equalSign)
      offset += decodeBlock.bytes

if (b.length === 0) continue // ignore: most likely a single zero byte
      if (i === -1) data[b.toString().toLowerCase()] = true
      else if (i === 0) continue // ignore: invalid key-length
      else {
        var key = b.slice(0, i).toString().toLowerCase()
        if (key in data) continue // ignore: overwriting not allowed
        data[key] = binary ? b.slice(i + 1) : b.slice(i + 1).toString()
      }
    }

that.decode.bytes = offset - oldOffset
    return data
  }

that.encodingLength = function (data) {
    if (!data) return 1 // 1 byte (single empty byte)
    var keys = Object.keys(data)
    if (keys.length === 0) return 1 // 1 byte (single empty byte)
    return keys.reduce(function (total, key) {
      var val = data[key]
      total += Buffer.byteLength(key) + 1 // +1 byte to store field length
      if (Buffer.isBuffer(val)) total += val.length + 1 // +1 byte to fit equal sign
      else if (val !== true) total += Buffer.byteLength(String(val)) + 1 // +1 byte to fit equal sign
      return total
    }, 0)
  }

return that
}

function decodeBlock (buf, offset) {
  var len = buf[offset]
  var to = offset + 1 + len
  var b = buf.slice(offset + 1, to > buf.length ? buf.length : to)
  decodeBlock.bytes = len + 1
  return b
}

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