DATEX Specification

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Important Notice:

This is a Working Draft of the DATEX Specification. This is document is work in progress and may change at any time. It is not intended to be used for production purposes.

4 Terms and Definitions ​

4.1 Primitive Values ​

A value with one of the following types:

  • null (JS: undefined = js:undefined & null)
  • boolean
  • integer
  • decimal
  • quantity
  • buffer (deprecated) (JS: Buffer = js:Buffer & Array<integer/8>)
  • time (time = timestamp / point in time, duration = quantity of seconds)
  • endpoint
  • symbol (deprecated) (immutable pointer on null) (JS: Symbol = $<js:Symbol & null>) (TDB)
  • color (TDB)
  • any mime type

4.1.1 Mime Value ​

A value with one of the following types:

  • text
  • image
  • audio
  • video
  • model
  • font
  • application

4.2 Non-instantiatable type ​

  • Any
  • ValueConsumer (TDB)
  • StreamConsumer (TDB)

4.3 Complex Values ​

A value with one of the following types:

  • Tuple
  • Array
  • Object
  • Map
  • Set
  • Scope (TBD)
  • Function
  • Iterator
  • Stream
  • Error (TODO: std lib?)
  • Task
  • Type
  • all logical types

4.4 Logical Value ​

A value with one of the following types:

  • Disjunction
  • Conjunction
  • Negation

4.5 DXB ​

Refers to the DATEX Binary Format in general, or to a particular DATEX block.

4.6 script ​

A text containing human-readable DATEX Syntax. A script can be compiled to DXB.

4.7 block ​

A self-contained executable DATEX Binary sent from one endpoint to another endpoint.

4.8 message ​

A sequence of DATEX instructions distributed over one ore more blocks.

4.9 scope ​

The set of variables that exist during the exeuction of a message. A scope exists until the message is completely executed.