import re
import math

class OlsParser:
  # raw lines
  lines = []
  # metadata info
  metadata = []
  sampleRate = 0
  size = 0
  # samples
  samples = []
  # current sample pointer
  currentSample = 0

  class Metadata:
    name = None
    value = None
    def __init__(self, name, value):
      self.name = name
      self.value = value

  class Sample:
    value = None
    sample = None
    ns = None
    def __init__(self, value, sample, ns):
      self.value = value
      self.sample = sample
      self.ns = ns
    def channel(self, number):
      return (int(self.value, 16) & 1 << number) > 0

  # Init function receives path to file
  def __init__(self, file):
    with open(file) as f:
      self.lines = f.readlines()
    self._parseMetadata(self.lines)
    self._parseSamples(self.lines)

  def _parseMetadata(self, lines):
    rawMetadata = []
    for statement in self.lines:
      if statement[0] == ';':
        rawMetadata.append(statement)
    for s in rawMetadata:
      m = re.match(r'\;(?P<key>\w+)\:[ ]*(?P<value>\w+)', s)
      key = m.groupdict()['key']
      value = m.groupdict()['value']
      obj = self.Metadata(key, value)
      self.metadata.append(obj)
      if key == 'Rate':
        self.sampleRate = int(value)
      if key == 'Size':
        self.size = int(value)

  def _parseSamples(self, lines):
    rawSamples = []
    for statement in self.lines:
      if statement[0] is not ';':
        rawSamples.append(statement)
    for s in rawSamples:
      m = re.match(r'(?P<value>\w+)\@(?P<sample>\w+)', s)
      value = m.groupdict()['value']
      sample = int(m.groupdict()['sample'])
      ns = int(math.floor((sample * 1000000000) / self.sampleRate))
      obj = self.Sample(value, sample, ns)
      self.samples.append(obj)

  # Iterator
  def hasNext(self):
    return (self.size - 1) >= self.currentSample

  def next(self):
    obj =self.samples[self.currentSample]
    self.currentSample += 1
    return obj

  def reset(self):
    self.currentSample = 0

3b8a5781b827838bb1106f4cd7c117a0415d453d
<mask token>


class OlsParser:
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>


    class Metadata:
        name = None
        value = None

        def __init__(self, name, value):
            self.name = name
            self.value = value


    class Sample:
        value = None
        sample = None
        ns = None

        def __init__(self, value, sample, ns):
            self.value = value
            self.sample = sample
            self.ns = ns

        def channel(self, number):
            return int(self.value, 16) & 1 << number > 0
    <mask token>

    def _parseMetadata(self, lines):
        rawMetadata = []
        for statement in self.lines:
            if statement[0] == ';':
                rawMetadata.append(statement)
        for s in rawMetadata:
            m = re.match('\\;(?P<key>\\w+)\\:[ ]*(?P<value>\\w+)', s)
            key = m.groupdict()['key']
            value = m.groupdict()['value']
            obj = self.Metadata(key, value)
            self.metadata.append(obj)
            if key == 'Rate':
                self.sampleRate = int(value)
            if key == 'Size':
                self.size = int(value)

    def _parseSamples(self, lines):
        rawSamples = []
        for statement in self.lines:
            if statement[0] is not ';':
                rawSamples.append(statement)
        for s in rawSamples:
            m = re.match('(?P<value>\\w+)\\@(?P<sample>\\w+)', s)
            value = m.groupdict()['value']
            sample = int(m.groupdict()['sample'])
            ns = int(math.floor(sample * 1000000000 / self.sampleRate))
            obj = self.Sample(value, sample, ns)
            self.samples.append(obj)

    def hasNext(self):
        return self.size - 1 >= self.currentSample
    <mask token>

    def reset(self):
        self.currentSample = 0

<mask token>


class OlsParser:
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>


    class Metadata:
        name = None
        value = None

        def __init__(self, name, value):
            self.name = name
            self.value = value


    class Sample:
        value = None
        sample = None
        ns = None

        def __init__(self, value, sample, ns):
            self.value = value
            self.sample = sample
            self.ns = ns

        def channel(self, number):
            return int(self.value, 16) & 1 << number > 0

    def __init__(self, file):
        with open(file) as f:
            self.lines = f.readlines()
        self._parseMetadata(self.lines)
        self._parseSamples(self.lines)

    def _parseMetadata(self, lines):
        rawMetadata = []
        for statement in self.lines:
            if statement[0] == ';':
                rawMetadata.append(statement)
        for s in rawMetadata:
            m = re.match('\\;(?P<key>\\w+)\\:[ ]*(?P<value>\\w+)', s)
            key = m.groupdict()['key']
            value = m.groupdict()['value']
            obj = self.Metadata(key, value)
            self.metadata.append(obj)
            if key == 'Rate':
                self.sampleRate = int(value)
            if key == 'Size':
                self.size = int(value)

    def _parseSamples(self, lines):
        rawSamples = []
        for statement in self.lines:
            if statement[0] is not ';':
                rawSamples.append(statement)
        for s in rawSamples:
            m = re.match('(?P<value>\\w+)\\@(?P<sample>\\w+)', s)
            value = m.groupdict()['value']
            sample = int(m.groupdict()['sample'])
            ns = int(math.floor(sample * 1000000000 / self.sampleRate))
            obj = self.Sample(value, sample, ns)
            self.samples.append(obj)

    def hasNext(self):
        return self.size - 1 >= self.currentSample
    <mask token>

    def reset(self):
        self.currentSample = 0

<mask token>


class OlsParser:
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>
    <mask token>


    class Metadata:
        name = None
        value = None

        def __init__(self, name, value):
            self.name = name
            self.value = value


    class Sample:
        value = None
        sample = None
        ns = None

        def __init__(self, value, sample, ns):
            self.value = value
            self.sample = sample
            self.ns = ns

        def channel(self, number):
            return int(self.value, 16) & 1 << number > 0

    def __init__(self, file):
        with open(file) as f:
            self.lines = f.readlines()
        self._parseMetadata(self.lines)
        self._parseSamples(self.lines)

    def _parseMetadata(self, lines):
        rawMetadata = []
        for statement in self.lines:
            if statement[0] == ';':
                rawMetadata.append(statement)
        for s in rawMetadata:
            m = re.match('\\;(?P<key>\\w+)\\:[ ]*(?P<value>\\w+)', s)
            key = m.groupdict()['key']
            value = m.groupdict()['value']
            obj = self.Metadata(key, value)
            self.metadata.append(obj)
            if key == 'Rate':
                self.sampleRate = int(value)
            if key == 'Size':
                self.size = int(value)

    def _parseSamples(self, lines):
        rawSamples = []
        for statement in self.lines:
            if statement[0] is not ';':
                rawSamples.append(statement)
        for s in rawSamples:
            m = re.match('(?P<value>\\w+)\\@(?P<sample>\\w+)', s)
            value = m.groupdict()['value']
            sample = int(m.groupdict()['sample'])
            ns = int(math.floor(sample * 1000000000 / self.sampleRate))
            obj = self.Sample(value, sample, ns)
            self.samples.append(obj)

    def hasNext(self):
        return self.size - 1 >= self.currentSample

    def next(self):
        obj = self.samples[self.currentSample]
        self.currentSample += 1
        return obj

    def reset(self):
        self.currentSample = 0

<mask token>


class OlsParser:
    lines = []
    metadata = []
    sampleRate = 0
    size = 0
    samples = []
    currentSample = 0


    class Metadata:
        name = None
        value = None

        def __init__(self, name, value):
            self.name = name
            self.value = value


    class Sample:
        value = None
        sample = None
        ns = None

        def __init__(self, value, sample, ns):
            self.value = value
            self.sample = sample
            self.ns = ns

        def channel(self, number):
            return int(self.value, 16) & 1 << number > 0

    def __init__(self, file):
        with open(file) as f:
            self.lines = f.readlines()
        self._parseMetadata(self.lines)
        self._parseSamples(self.lines)

    def _parseMetadata(self, lines):
        rawMetadata = []
        for statement in self.lines:
            if statement[0] == ';':
                rawMetadata.append(statement)
        for s in rawMetadata:
            m = re.match('\\;(?P<key>\\w+)\\:[ ]*(?P<value>\\w+)', s)
            key = m.groupdict()['key']
            value = m.groupdict()['value']
            obj = self.Metadata(key, value)
            self.metadata.append(obj)
            if key == 'Rate':
                self.sampleRate = int(value)
            if key == 'Size':
                self.size = int(value)

    def _parseSamples(self, lines):
        rawSamples = []
        for statement in self.lines:
            if statement[0] is not ';':
                rawSamples.append(statement)
        for s in rawSamples:
            m = re.match('(?P<value>\\w+)\\@(?P<sample>\\w+)', s)
            value = m.groupdict()['value']
            sample = int(m.groupdict()['sample'])
            ns = int(math.floor(sample * 1000000000 / self.sampleRate))
            obj = self.Sample(value, sample, ns)
            self.samples.append(obj)

    def hasNext(self):
        return self.size - 1 >= self.currentSample

    def next(self):
        obj = self.samples[self.currentSample]
        self.currentSample += 1
        return obj

    def reset(self):
        self.currentSample = 0

import re
import math

class OlsParser:
  # raw lines
  lines = []
  # metadata info
  metadata = []
  sampleRate = 0
  size = 0
  # samples
  samples = []
  # current sample pointer
  currentSample = 0

  class Metadata:
    name = None
    value = None
    def __init__(self, name, value):
      self.name = name
      self.value = value

  class Sample:
    value = None
    sample = None
    ns = None
    def __init__(self, value, sample, ns):
      self.value = value
      self.sample = sample
      self.ns = ns
    def channel(self, number):
      return (int(self.value, 16) & 1 << number) > 0

  # Init function receives path to file
  def __init__(self, file):
    with open(file) as f:
      self.lines = f.readlines()
    self._parseMetadata(self.lines)
    self._parseSamples(self.lines)

  def _parseMetadata(self, lines):
    rawMetadata = []
    for statement in self.lines:
      if statement[0] == ';':
        rawMetadata.append(statement)
    for s in rawMetadata:
      m = re.match(r'\;(?P<key>\w+)\:[ ]*(?P<value>\w+)', s)
      key = m.groupdict()['key']
      value = m.groupdict()['value']
      obj = self.Metadata(key, value)
      self.metadata.append(obj)
      if key == 'Rate':
        self.sampleRate = int(value)
      if key == 'Size':
        self.size = int(value)

  def _parseSamples(self, lines):
    rawSamples = []
    for statement in self.lines:
      if statement[0] is not ';':
        rawSamples.append(statement)
    for s in rawSamples:
      m = re.match(r'(?P<value>\w+)\@(?P<sample>\w+)', s)
      value = m.groupdict()['value']
      sample = int(m.groupdict()['sample'])
      ns = int(math.floor((sample * 1000000000) / self.sampleRate))
      obj = self.Sample(value, sample, ns)
      self.samples.append(obj)

  # Iterator
  def hasNext(self):
    return (self.size - 1) >= self.currentSample

  def next(self):
    obj =self.samples[self.currentSample]
    self.currentSample += 1
    return obj

  def reset(self):
    self.currentSample = 0
