= RelatonBib

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RlatonBib is a Ruby gem that implements the https://github.com/metanorma/relaton-models#bibliography-uml-models[BibliographicItem model].

== Installation

Add this line to your application's Gemfile:

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

And then execute:

    $ bundle

Or install it yourself as:

    $ gem install relaton-bib

== Usage

=== Create bibliographic item

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

hash = YAML.load_file "spec/examples/bib_item.yml"
=> {"id"=>"ISOTC211",
"fetched"=>"2022-05-02",
 "title"=>["Geographic information", {"content"=>"Information géographique", "language"=>"fr", "script"=>"Latn"}],
 ...

item = RelatonBib::BibliographicItem.from_hash(hash)
=> #<RelatonBib::BibliographicItem:0x00007f962f030710
 @abstract=
  [#<RelatonBib::FormattedString:0x00007f962f02acc0
...
----

=== BibliographicItem Typed Title Strings

[source,ruby]
----
item.title
=> #<RelatonBib::TypedTitleStringCollection:0x00007fea821ec6b0
 @array=
  [#<RelatonBib::TypedTitleString:0x00007fea821ecb60
    @title=#<RelatonBib::FormattedString:0x00007fea821eca70 @content="Geographic information", @format="text/plain", @language=nil, @script=nil>,
    @type="title-main">,
   #<RelatonBib::TypedTitleString:0x00007fea821ec8b8
    @title=#<RelatonBib::FormattedString:0x00007fea821ec818 @content="Geographic information", @format="text/plain", @language=nil, @script=nil>,
    @type="main">,
   #<RelatonBib::TypedTitleString:0x00007fea821ec610
    @title=
     #<RelatonBib::FormattedString:0x00007fea821ec570 @content="Information géographique", @format="text/plain", @language=["fr"], @script=["Latn"]>,
    @type=nil>]>

item.title lang: "fr"
=> #<RelatonBib::TypedTitleStringCollection:0x00007fea8222d908
 @array=
  [#<RelatonBib::TypedTitleString:0x00007fea821ec610
    @title=#<RelatonBib::FormattedString:0x00007fea821ec570 @content="Information géographique", @format="text/plain", @language=["fr"], @script=["Latn"]>,
    @type=nil>]>
----

=== BibliographicItem Formatted Strings

[source,ruby]
----
item.abstract
=> [#<RelatonBib::FormattedString:0x00007fea82236828
  @content="<p>ISO 19115-1:2014 defines the schema required for ...</p>",
  @format="text/html",
  @language=["en"],
  @script=["Latn"]>,
 #<RelatonBib::FormattedString:0x00007fea82236670
  @content="L'ISO 19115-1:2014 définit le schéma requis pour ...",
  @format="text/plain",
  @language=["fr"],
  @script=["Latn"]>]

item.abstract(lang: "en").to_s
=> "<p>ISO 19115-1:2014 defines the schema required for ...</p>"
----

=== BibliographicItem references

[source,ruby]
----
item.shortref item.docidentifier.first
=> "ISOTC211:2014"
----

=== XML serialization

[source,ruby]
----
item.to_xml
=> "<bibitem id="ISOTC211" type="standard" schema-version="v1.2.1">
      <fetched>2022-05-02</fetched>
      <title type="title-main" format="text/plain">Geographic information</title>
      <title type="main" format="text/plain">Geographic information</title>
      <title format="text/plain" language="fr" script="Latn">Information géographique</title>
      ...
    </bibitem>"
----

The default root element is `bibitem`. With argument `bibdata: true` the XML wrapped with `bibdata` element.

[source,ruby]
----
item.to_xml bibdata: true
=> "<bibdata type="standard" schema-version="v1.2.1">
      <fetched>2022-05-02</fetched>
      <title type="title-main" format="text/plain">Geographic information</title>
      ...
        <ext>
          <doctype>document</doctype>
          <subdoctype>subdocument</subdoctype>
          ...
        </ext>
    </bibdata>"
----

==== Date format

By default date elements are formatted as a year (yyyy). Option `:date_format` allows to output date elements in `:short` (yyyy-mm) and `:full` (yyyy-mm-dd) additional formats.

[source,ruby]
----
item.to_xml date_format: :short
=> "<bibitem id="ISOTC211" type="standard" schema-version="v1.2.1">
      <fetched>2022-05-02</fetched>
      <title type="title-main" format="text/plain">Geographic information</title>
      ...
      <date type="issued">
        <on>2014-01</on>
      </date>
      <date type="published">
        <on>2014-04</on>
      </date>
      <date type="accessed">
        <on>2015-05</on>
      </date>
      ...
    </bibitem>"

item.to_xml date_format: :full
=> "<bibitem id="ISOTC211" type="standard" schema-version="v1.2.1">
      ...
      <date type="issued">
        <on>2014-01-01</on>
      </date>
      <date type="published">
        <on>2014-04-01</on>
      </date>
      <date type="accessed">
        <on>2015-05-20</on>
      </date>
      ...
    </bibitem>"
----

==== Adding notes

[source,ruby]
----
item.to_xml note: [{ text: "Note", type: "note" }]
=> "<bibitem id="ISOTC211" type="standard" schema-version="v1.2.1">
      ...
      <note format="text/plain" type="note">Note</note>
      ...
    </bibitem>"
----

=== Create bibliographic item form YAML

[source,ruby]
----
hash = YAML.load_file 'spec/examples/bib_item.yml'
=> {"id"=>"ISOTC211"
...

RelatonBib::BibliographicItem.from_hash hash
=> #<RelatonBib::BibliographicItem:0x007ff1524f8c88
...
----

=== Create bibliographic item from BibXML

[source,ruby]
----
bibxml = File.read "spec/examples/rfc.xml"
=> <reference anchor=...

RelatonBib::BibXMLParser.parse bibxml
=> #<RelatonBib::BibliographicItem:0x00007f9d0c75b268
...
----

=== Export bibliographic item to Hash

[source,ruby]
----
item.to_hash
=> {"schema-version"=>"v1.2.1",
    "id"=>"ISOTC211",
    "title"=>
      [{"content"=>"Geographic information", "format"=>"text/plain", "type"=>"title-main"},
      {"content"=>"Geographic information", "format"=>"text/plain", "type"=>"main"},
      {"content"=>"Information géographique", "language"=>["fr"], "script"=>["Latn"], "format"=>"text/plain"}],
      ...
----

=== Create bibliographic item from BibTeX

[source,ruby]
----
RelatonBib::BibtexParser.from_bibtex File.read('spec/examples/techreport.bib')
=> {"ISOTC211"=>
  #<RelatonBib::BibliographicItem:0x007fedee0a2ab0
  ...
----

=== Export bibliographic item to BibTeX

[source,ruby]
----
item.to_bibtex
=> @misc{ISOTC211,
    title = {Geographic information},
    edition = {Edition 1},
    author = {Bierman, A. and Bierman, Arnold and Bierman, Arnold B},
    ...
----

=== Export bibliographic item to Citeproc

[source,ruby]
----
item.to_citeproc
=> [{"title"=>"Geographic information",
     "edition"=>"Edition 1",
     "author"=>[{"family"=>"Bierman", "given"=>"A."}, {"family"=>"Bierman", "given"=>"Arnold"}, {"family"=>"Bierman", "given"=>"Arnold B"}],
     "publisher"=>"Institute of Electrical and Electronics Engineers",
     "publisher-place"=>"bib place",
     ...
----

=== Exporting bibliographic item to AsciiBib

[source,ruby]
----
item.to_asciibib
=> [%bibitem]
   == {blank}
   id:: ISOTC211
   fetched:: 2022-05-02
   title::
   title.type:: title-main
   title.content:: Geographic information
   title.format:: text/plain
   ...
----

=== Export bibliographic item to BibXML (RFC)

[source,ruby]
----
item.to_bibxml
=> "<reference anchor="ISO.TC.211" target="https://www.iso.org/standard/53798.html">
      <front>
        <title>Geographic information</title>
        <author>
          <organization abbrev="ISO">International Organization for Standardization</organization>
        </author>
        ..
      </front>
      <seriesInfo name="DOI" value="10.17487/rfc1149"/>
      <seriesInfo name="Internet-Draft" value="draft-ietf-somewg-someprotocol-07"/>
      <seriesInfo name="ISO/IEC FDIS 10118-3" value="serie1234"/>
      ...
    </reference>"
----

== Development

After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).

== Contributing

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

== License

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