/*
Asynchronous generate the token.

@example
let tokenPromise = yield token();

@param {Number} len, 20 by default
@param {String} encoding, hex by default
@return {Promise} 40 length hex string by default
966375
function token(len = 20, encoding = 'hex') {
  return randomBytes(len)
    .then((buf) => {
      return buf.toString(encoding);
    });
}
201020
def generate_token(self, *args, **kwargs):
        
        # determine the length based on min_length and max_length
        length = random.randint(self.min_length, self.max_length)

        # generate the token using os.urandom and hexlify
        return binascii.hexlify(
            os.urandom(self.max_length)
        ).decode()[0:length]
356419
function streamToText(stream) {
    return new Promise((fulfill, reject) => {
        let chunks = [];
        let length = 0;
        stream.setEncoding('utf8');
        stream.on('data', chunk => {
            length += chunk.length;
            if (length > MAX_TEXT_LENGTH) {
                reject(new Error('Response is too big'));
                return;
            }
            chunks.push(chunk);
        });
        stream.on('end', () => {
            fulfill(chunks.join(''));
        });
        stream.on('error', err => {
            reject(err);
        });
    });
}
365751
function(asyncFunc, callback) {
  asyncFunc(function(err, buffer) {
    if(callback) {
      callback(err, buffer.toHex().toString());
    }
  });
}
83205
function (length) {
		length = length || this.exports.generate.integer(5,10);
		var word = '';
		for (var i = 0; i < length; ++i) {
			word += this.exports.helpers.getRandomItem(values['letters']);
		}
		return word;
	}
971747
function makeDecoder(chunkType) {
	if (chunkType === BUFFER) {
		return function (buf) {
			return buf.toString('utf8');
		};
	}
	if (isnode) {
		return function (a) {
			return new Buffer(a).toString('utf8');
		};
	}
	var decoder = null;
	return function (buf) {
		if (!decoder) {
			decoder = new TextDecoder();
		}
		return decoder.decode(buf);
	};
}
96962
function isLastTokenInCurrentLine(token) {
            const tokenAfter = sourceCode.getTokenAfter(token);

            return !(tokenAfter && astUtils.isTokenOnSameLine(token, tokenAfter));
        }
13068
function uid (length) {
  return new Promise((resolve, reject) => {
    Crypto.randomBytes(length * 2, (err, bytes) => {
      if (err) return reject(err)
      resolve(bytes.toString('base64').replace(/\+/g, '').replace(/\//g, '').replace(/=/g, '').substring(0, length))
    })
  })
}
423821
def iterdecode(iterable, codec):
    
    decoder = codec.incrementaldecoder()
    for chunk in iterable:
        yield decoder.decode(chunk)
    yield decoder.decode(b'', True)
1028047
function encode (n) {
  var o = ''
  var i = 0
  var i1, i2, i3, e1, e2, e3, e4
  n = utf8Encode(n)
  while (i < n.length) {
    i1 = n.charCodeAt(i++)
    i2 = n.charCodeAt(i++)
    i3 = n.charCodeAt(i++)
    e1 = (i1 >> 2)
    e2 = (((i1 & 3) << 4) | (i2 >> 4))
    e3 = (isNaN(i2) ? 64 : ((i2 & 15) << 2) | (i3 >> 6))
    e4 = (isNaN(i2) || isNaN(i3)) ? 64 : i3 & 63
    o = o + m.charAt(e1) + m.charAt(e2) + m.charAt(e3) + m.charAt(e4)
  }
  return o
}
1213035
def generate_token():
    
    length = 50
    stringset = string.ascii_letters + string.digits
    token = ''.join([stringset[i % len(stringset)] for i in [ord(x) for x in os.urandom(length)]])
    return token
1035959
function createTokenizedTextProvider(pos, characterOptions, wordOptions) {
        var forwardIterator = createCharacterIterator(pos, false, null, characterOptions);
        var backwardIterator = createCharacterIterator(pos, true, null, characterOptions);
        var tokenizer = wordOptions.tokenizer;

        // Consumes a word and the whitespace beyond it
        function consumeWord(forward) {
            log.debug("consumeWord called, forward is " + forward);
            var pos, textChar;
            var newChars = [], it = forward ? forwardIterator : backwardIterator;

            var passedWordBoundary = false, insideWord = false;

            while ( (pos = it.next()) ) {
                textChar = pos.character;

                log.debug("Testing char '" + textChar + "'");

                if (allWhiteSpaceRegex.test(textChar)) {
                    if (insideWord) {
                        insideWord = false;
                        passedWordBoundary = true;
                    }
                } else {
                    log.debug("Got non-whitespace, passedWordBoundary is " + passedWordBoundary);
                    if (passedWordBoundary) {
                        it.rewind();
                        break;
                    } else {
                        insideWord = true;
                    }
                }
                newChars.push(pos);
            }

            log.debug("consumeWord done, pos is " + (pos ? pos.inspect() : "non-existent"));

            log.debug("consumeWord got new chars " + newChars.join(""));
            return newChars;
        }

        // Get initial word surrounding initial position and tokenize it
        var forwardChars = consumeWord(true);
        var backwardChars = consumeWord(false).reverse();
        var tokens = tokenize(backwardChars.concat(forwardChars), wordOptions, tokenizer);

        // Create initial token buffers
        var forwardTokensBuffer = forwardChars.length ?
            tokens.slice(arrayIndexOf(tokens, forwardChars[0].token)) : [];

        var backwardTokensBuffer = backwardChars.length ?
            tokens.slice(0, arrayIndexOf(tokens, backwardChars.pop().token) + 1) : [];

        function inspectBuffer(buffer) {
            var textPositions = ["[" + buffer.length + "]"];
            for (var i = 0; i < buffer.length; ++i) {
                textPositions.push("(word: " + buffer[i] + ", is word: " + buffer[i].isWord + ")");
            }
            return textPositions;
        }

        log.info("Initial word: ", inspectBuffer(forwardTokensBuffer) + "", " and ", inspectBuffer(backwardTokensBuffer) + "", forwardChars, backwardChars);

        return {
            nextEndToken: function() {
                var lastToken, forwardChars;

                // If we're down to the last token, consume character chunks until we have a word or run out of
                // characters to consume
                while ( forwardTokensBuffer.length == 1 &&
                    !(lastToken = forwardTokensBuffer[0]).isWord &&
                    (forwardChars = consumeWord(true)).length > 0) {

                    // Merge trailing non-word into next word and tokenize
                    forwardTokensBuffer = tokenize(lastToken.chars.concat(forwardChars), wordOptions, tokenizer);
                }

                return forwardTokensBuffer.shift();
            },

            previousStartToken: function() {
                var lastToken, backwardChars;

                // If we're down to the last token, consume character chunks until we have a word or run out of
                // characters to consume
                while ( backwardTokensBuffer.length == 1 &&
                    !(lastToken = backwardTokensBuffer[0]).isWord &&
                    (backwardChars = consumeWord(false)).length > 0) {

                    // Merge leading non-word into next word and tokenize
                    backwardTokensBuffer = tokenize(backwardChars.reverse().concat(lastToken.chars), wordOptions, tokenizer);
                }

                return backwardTokensBuffer.pop();
            },

            dispose: function() {
                forwardIterator.dispose();
                backwardIterator.dispose();
                forwardTokensBuffer = backwardTokensBuffer = null;
            }
        };
    }
208227
function readTokenFile(tokenFile) {
  return new Promise((resolve, reject) => {
    fs.readFile(tokenFile, 'utf8', (err, token) => {
      if (err) {
        reject(err);
      }
      resolve(token.slice(0, 40));
    });
  });
}
556191
function fromAscii(stringValue) {
  var hex = ''; // eslint-disable-line
  for(var i = 0; i < stringValue.length; i++) { // eslint-disable-line
    const code = stringValue.charCodeAt(i);
    const n = code.toString(16);
    hex += n.length < 2 ? `0${n}` : n;
  }

  return `0x${hex}`;
}
231436
function encodeLengthHex(n) {
    if (n<=127) return toHex(n)
    else {
        var n_hex = toHex(n)
        var length_of_length_byte = 128 + n_hex.length/2 // 0x80+numbytes
        return toHex(length_of_length_byte)+n_hex
    }
}
641264
function numberToHex(x, len = 0) {
  let str = x.toString(16);
  while (str.length < len) {
    str = `0${str}`;
  }
  return str;
}
780854
function Tokens (options) {
  if (!(this instanceof Tokens)) {
    return new Tokens(options)
  }

  var opts = options || {}

  var saltLength = opts.saltLength !== undefined
    ? opts.saltLength
    : 8

  if (typeof saltLength !== 'number' || !isFinite(saltLength) || saltLength < 1) {
    throw new TypeError('option saltLength must be finite number > 1')
  }

  var secretLength = opts.secretLength !== undefined
    ? opts.secretLength
    : 18

  if (typeof secretLength !== 'number' || !isFinite(secretLength) || secretLength < 1) {
    throw new TypeError('option secretLength must be finite number > 1')
  }

  this.saltLength = saltLength
  this.secretLength = secretLength
}