kielet - v1.0.0

kielet/mo

An MO file parser.

Both little and big endian files are supported.

All strings must be UTF-8.

Types

Endianness

</> 
pub type Endianness {
  BigEndian
  LittleEndian
}

Constructors 

  • BigEndian
  • LittleEndian
</> 
pub type Header {
  Header(
    revision: Revision,
    string_count: Int,
    og_table_offset: Int,
    trans_table_offset: Int,
    ht_size: Int,
    ht_offset: Int,
  )
}

Constructors 

  • Header(
  revision: Revision,
  string_count: Int,
  og_table_offset: Int,
  trans_table_offset: Int,
  ht_size: Int,
  ht_offset: Int,
)

    Arguments

    • string_count

      Amount of strings in file.

    • og_table_offset

      Offset to table of strings in original language.

    • trans_table_offset

      Offset to translations table.

    • ht_size

      Hash table size (not used by this parser).

    • ht_offset

      Hash table offset.

MetaData

</>

An MO file can contain metadata that looks quite like HTTP headers. The most important data here are the plural forms with the key Plural-Forms.

pub type MetaData =
  Dict(String, String)

Mo

</> 
pub type Mo {
  Mo(
    endianness: Endianness,
    header: Header,
    translations: Translations,
    metadata: MetaData,
  )
}

Constructors 

  • Mo(
  endianness: Endianness,
  header: Header,
  translations: Translations,
  metadata: MetaData,
)

MoString

</>

A translation in the file. The context is a free-form text that can be added as extra context for the translators.

pub type MoString {
  Singular(context: String, content: String)
  Plural(context: String, content: Dict(Int, String))
}

Constructors 

  • Singular(context: String, content: String)
  • Plural(context: String, content: Dict(Int, String))

ParseError

</> 
pub type ParseError {
  MagicNumberNotFound
  MalformedHeader
  UnknownRevision(Revision)
  OffsetPastEnd(Int)
  MalformedOffsetTableEntry(BitArray)
  StringNotUTF8(BitArray)
  MetaItemMissing
  MetaItemIsNotSingular
}

Constructors 

  • MagicNumberNotFound
  • MalformedHeader
  • UnknownRevision(Revision)
  • OffsetPastEnd(Int)

    An offset was given that either pointed directly out of bounds or the data it pointed to would have been too big for the file.

  • MalformedOffsetTableEntry(BitArray)
  • StringNotUTF8(BitArray)
  • MetaItemMissing

    Metadata is contained as a “translation” for the msgid “” (empty string). If this translation is missing, this error is returned.

  • MetaItemIsNotSingular

    The metadata item is a plural.

Revision

</> 
pub type Revision {
  Revision(major: Int, minor: Int)
}

Constructors 

  • Revision(major: Int, minor: Int)

Translations

</>

Dictionary of translations keyed by the original msgid.

pub type Translations =
  Dict(String, MoString)

Functions

parse

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pub fn parse(mo: BitArray) -> Result(Mo, ParseError)

Parse given MO file data.

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