glzoneinfo

Parse the Time Zone Information Format (TZif) described in RFC 8536 At the moment it supports versions 1 and 2. Version 3 files will be parsed, but include only information up to V2.

Types

Date

</>

pub type Date {
  Date(month: Int, week: Int, day: Int)
}

Constructors

```
Date(month: Int, week: Int, day: Int)
```

Errors

</>

pub type Errors {
  InvalidZoneName
  ParseError(String, BitArray)
}

Constructors

```
InvalidZoneName
```
```
ParseError(String, BitArray)
```

</>

pub type Header {
  Header(
    utc_count: Int,
    wall_count: Int,
    leap_count: Int,
    transition_count: Int,
    type_count: Int,
    abbrev_length: Int,
  )
}

Constructors

Header(
  utc_count: Int,
  wall_count: Int,
  leap_count: Int,
  transition_count: Int,
  type_count: Int,
  abbrev_length: Int,
)

LeapSecond

</>

pub type LeapSecond {
  LeapSecond(epoch: Int, correction: Int)
}

Constructors

```
LeapSecond(epoch: Int, correction: Int)
```

Rule

</>

pub type Rule {
  Rule(
    std_abbr: option.Option(String),
    std_offset: Int,
    dst_abbr: option.Option(String),
    dst_offset: Int,
    start_time: option.Option(Date),
    end_time: option.Option(Date),
  )
}

Constructors

Rule(
  std_abbr: option.Option(String),
  std_offset: Int,
  dst_abbr: option.Option(String),
  dst_offset: Int,
  start_time: option.Option(Date),
  end_time: option.Option(Date),
)

Time

</>

pub type Time {
  Time(hours: Int, minutes: Int, seconds: Int)
}

Constructors

Time(hours: Int, minutes: Int, seconds: Int)

TransitionInfo

</>

pub type TransitionInfo {
  TransitionInfo(
    gmt_offset: Int,
    starts_at: Int,
    is_dst: Bool,
    abbrev_index: Int,
    abbreviation: String,
    is_std: Bool,
    is_utc: Bool,
  )
}

Constructors

TransitionInfo(
  gmt_offset: Int,
  starts_at: Int,
  is_dst: Bool,
  abbrev_index: Int,
  abbreviation: String,
  is_std: Bool,
  is_utc: Bool,
)

Version

</>

pub type Version {
  V1
  V2
  V3
}

Constructors

```
V1
```
```
V2
```
```
V3
```

Zone

</>

pub type Zone {
  Zone(
    version: Version,
    transitions: List(TransitionInfo),
    leaps: List(LeapSecond),
    rule: option.Option(Rule),
  )
}

Constructors

Zone(
  version: Version,
  transitions: List(TransitionInfo),
  leaps: List(LeapSecond),
  rule: option.Option(Rule),
)

Functions

parse

</>

pub fn parse(binary: BitArray) -> Result(Zone, Errors)