View Source TimeZoneInfo.IanaParser (TimeZoneInfo v0.7.2)

@type day() ::
  non_neg_integer()
  | [{:last_day_of_week, Calendar.day_of_week()}]
  | [day: Calendar.day(), op: op(), day_of_week: Calendar.day_of_week()]

op()

@type op() :: :ge | :le

output()

@type output() :: %{
  optional(:zones) => %{required(Calendar.time_zone()) => [zone_state()]},
  optional(:rules) => %{required(TimeZoneInfo.rule_name()) => [rule()]},
  optional(:links) => %{required(Calendar.time_zone()) => Calendar.time_zone()}
}

The parsed data.

rule()

@type rule() :: [
  from: Calendar.year(),
  to: Calendar.year() | :only,
  in: Calendar.month(),
  on: day(),
  at: time(),
  time_standard: TimeZoneInfo.time_standard(),
  std_offset: Calendar.std_offset(),
  letters: String.t() | nil
]

time()

@type time() :: {Calendar.hour(), Calendar.minute(), Calendar.second()}

until()

@type until() ::
  {Calendar.year()}
  | {Calendar.year(), Calendar.month()}
  | {Calendar.year(), Calendar.month(), day()}
  | {Calendar.year(), Calendar.month(), day(), Calendar.hour()}
  | {Calendar.year(), Calendar.month(), day(), Calendar.hour(),
     Calendar.minute()}
  | {Calendar.year(), Calendar.month(), day(), Calendar.hour(),
     Calendar.minute(), Calendar.second()}

zone_state()

@type zone_state() :: [
  utc_offset: Calendar.utc_offset(),
  rules: String.t() | integer() | nil,
  format: TimeZoneInfo.Transformer.Abbr.format(),
  until: until(),
  time_standard: TimeZoneInfo.time_standard()
]

Functions

parse(iana_data)

@spec parse(data()) :: {:ok, output()} | {:error, rest, line, byte_offset}
when rest: String.t(), line: non_neg_integer(), byte_offset: non_neg_integer()

Builds the data structure IanaParser.output from the iana_data.

parse(path, files)

@spec parse(Path.t(), String.t()) ::
  {:ok, output()} | {:error, rest, line, byte_offset}
when rest: String.t(), line: non_neg_integer(), byte_offset: non_neg_integer()

Builds the data structure IanaParser.output from the IANA data in files under path.