= RelatonOmg

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RelatonOmg is a Ruby gem that searches and fetches standards from https://www.omg.org[The Object Management Group (OMG)].

The standards scrape form https://www.omg.org/spec

== Installation

Add this line to your application's Gemfile:

[source,ruby]
----
gem 'relaton-omg'
----

And then execute:

    $ bundle install

Or install it yourself as:

    $ gem install relaton-omg

== Usage

=== Search document

Reference format is `OMG + {ACRONYM} + {VERSION}`

- `ACRONYM` is an acronym from the list of specs https://www.omg.org/spec/#all
- `VERSION` (optional) if omitted then the lastes version is fetched

[source,ruby]
----
require 'relaton_omg'
=> true

item = RelatonOmg::OmgBibliography.get 'OMG AMI4CCM 1.0'
=> #<RelatonOmg::OmgBibliographicItem:0x007fda17eab2f0
...

# Return nil if the document doesn't exist.
RelatonOmg::OmgBibliography.get 'OMG 1111'
[relaton-omg] no document found for "OMG 1111" reference.
=> nil
----

=== Serialization

[source,ruby]
----
item.to_xml
=> "<bibitem id="AMI4CCM1.0" schema-version="v1.2.1">
      <fetched>2022-12-05</fetched>
      <title type="main" format="text/plain" language="en" script="Latn">Asynchronous Method Invocation for CCM</title>
      <uri type="src">https://www.omg.org/spec/AMI4CCM/1.0/About-AMI4CCM</uri>
      <uri type="pdf">https://www.omg.org/spec/AMI4CCM/1.0/PDF</uri>
      <docidentifier type="OMG" primary="true">AMI4CCM 1.0</docidentifier>
      ...
    </bibitem>"
----

=== Typed links

OMG documents may have `src` and `pdf` link types.

[source,ruby]
----
item.link
=> [#<RelatonBib::TypedUri:0x00007fa897a72208 @content=#<Addressable::URI:0x80c URI:https://www.omg.org/spec/AMI4CCM/1.0/About-AMI4CCM/>, @type="src">,
 #<RelatonBib::TypedUri:0x00007fa897a71600 @content=#<Addressable::URI:0x820 URI:https://www.omg.org/spec/AMI4CCM/1.0/PDF>, @type="pdf">]
----

=== Create bibliographic item from XML

[source,ruby]
----
item = RelatonOmg::OmgBibliographicItem.from_xml 'spec/fixtures/omg_ami4ccm_1_0.xml'
=> #<RelatonOmg::OmgBibliographicItem:0x007fb351582e90
...
----

=== Create bibliographic item from Hash
[source,ruby]
----
hash = YAML.load_file 'spec/fixtures/omg_ami4ccm_1_0.yaml'
=> {"schema-version"=>"v1.2.1",
 "id"=>"AMI4CCM1.0",
...

item = RelatonOmg::OmgBibliographicItem.from_hash hash
=> #<RelatonOmg::OmgBibliographicItem:0x007f85b0247ec0
...
----

=== Create bibliographic item from YAML
[source,ruby]
----
item = RelatonOmg::OmgBibliographicItem.from_yaml 'spec/fixtures/omg_ami4ccm_1_0.yaml'
=> #<RelatonOmg::OmgBibliographicItem:0x007f85a00f45d8
...
----

== Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/relaton/relaton-ietf.

== License

The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).