Class: Relaton::Oasis::DataParser

Inherits:
Object
  • Object
show all
Includes:
DataParserUtils
Defined in:
lib/relaton/oasis/data_parser.rb

Overview

Parser for OASIS document.

Instance Method Summary collapse

Methods included from DataParserUtils

#create_contribution_info, #create_ext, #create_person, #decode_cf_email, #page, #parse_chairs, #parse_contributor, #parse_docid, #parse_doctype, #parse_editors, #parse_editors_from_text, #parse_errata, #parse_part, #parse_spec, #person_affiliation, #person_email, #publisher_oasis, #retry_page

Constructor Details

#initialize(node, errors = {}) ⇒ DataParser

Initialize parser.

Parameters:

  • node (Nokogiri::HTML::Element) —

    document node



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# File 'lib/relaton/oasis/data_parser.rb', line 12

def initialize(node, errors = {})
  @node = node
  @errors = errors
end

Instance Method Details

#document_part_refs ⇒ Array<String>

Look for “Cite as” references.

Returns:

  • (Array<String>) —

    document part references



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# File 'lib/relaton/oasis/data_parser.rb', line 177

def document_part_refs
  @node.css(
    ".standard__grid--cite-as > p > strong",
    "span.Refterm", "span.abbrev", "span.citationLabel > strong"
  ).map { |p| p.text.gsub(/^\[{1,2}|\]$/, "").strip }
end

#link_node ⇒ Object 



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# File 'lib/relaton/oasis/data_parser.rb', line 142

def link_node
  xpath = "./div/div/div[contains(@class, " \
          "'standard__grid--cite-as')]" \
          "/p[strong or span/strong]/a"
  @link_node ||= @node.at(xpath)
end

#links ⇒ Object 



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# File 'lib/relaton/oasis/data_parser.rb', line 207

def links
  l = @node.xpath("./div/div/div[1]/p[1]/a[@href]")
  l = @node.xpath("./div/div/div[1]/p[2]/a[@href]") if l.empty?
  l
end

#parse ⇒ ItemData

Parse document.

Returns:

  • (ItemData) —

    bibliographic item data



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# File 'lib/relaton/oasis/data_parser.rb', line 33

def parse # rubocop:disable Metrics/MethodLength
  ItemData.new(
    type: "standard",
    title: parse_title,
    docidentifier: parse_docid,
    source: parse_link,
    docnumber: parse_docnumber,
    date: parse_date,
    contributor: parse_contributor,
    abstract: parse_abstract,
    language: ["en"],
    script: ["Latn"],
    relation: parse_relation,
    ext: create_ext,
  )
end

#parse_abstract ⇒ Array<Bib::LocalizedMarkedUpString>

Parse abstract.

Returns:

  • (Array<Bib::LocalizedMarkedUpString>) —

    abstract



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# File 'lib/relaton/oasis/data_parser.rb', line 83

def parse_abstract
  c = @node.xpath(
    "./summary/div/div[@class='standard__description']/p",
  ).map { |a| a.text.gsub(/[\n\t]+/, " ").strip }.join("\n")
  result = if c.empty?
             []
           else
             [Bib::Abstract.new(
               content: c, language: "en", script: "Latn",
             )]
           end
  @errors[:abstract] &&= result.empty?
  result
end

#parse_authorizer ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/relaton/oasis/data_parser.rb', line 127

def parse_authorizer # rubocop:disable Metrics/MethodLength
  result = @node.xpath("./div[@class='standard__details']/a").map do |a|
    org = Bib::Organization.new(
      name: [Bib::TypedLocalizedString.new(content: a.text.strip)],
      uri: [Bib::Uri.new(type: "uri", content: a[:href])],
    )
    desc = [Bib::LocalizedMarkedUpString.new(content: "Committee")]
    role = Bib::Contributor::Role.new(type: "authorizer",
                                      description: desc)
    Bib::Contributor.new(organization: org, role: [role])
  end
  @errors[:authorizer] &&= result.empty?
  result
end

#parse_date ⇒ Array<Bib::Date>

Parse date.

Returns:

  • (Array<Bib::Date>) —

    date



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# File 'lib/relaton/oasis/data_parser.rb', line 67

def parse_date
  xpath = "./summary/div/time[@class='standard__date']"
  result = @node.xpath(xpath).map do |d|
    date_str = d.text.match(/\d{2}\s\w+\s\d{4}/).to_s
    date = Date.parse(date_str).to_s
    Bib::Date.new(at: date, type: "issued")
  end
  @errors[:date] &&= result.empty?
  result
end

#parse_docnumber ⇒ String

Parse document number.

Returns:

  • (String) —

    document number



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# File 'lib/relaton/oasis/data_parser.rb', line 218

def parse_docnumber
  parts = document_part_refs
  result = case parts.size
           when 0
             txt = @node.at("./summary/div/h2").text
             parse_spec title_to_docid(txt)
           when 1 then parse_part parse_spec(parts[0])
           else parts_to_docid parts
           end
  @errors[:docnumber] &&= result.nil?
  result
end

#parse_editorialgroup_contributor ⇒ Array<Bib::Contributor>

Parse editorial group as contributors.

Returns:

  • (Array<Bib::Contributor>) —

    editorial group contributors



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# File 'lib/relaton/oasis/data_parser.rb', line 103

def parse_editorialgroup_contributor # rubocop:disable Metrics/AbcSize, Metrics/MethodLength
  tcs = @node.xpath("./div[@class='standard__details']/a")
  if tcs.empty?
    result = []
  else
    subdivisions = tcs.map do |a|
      name = [Bib::TypedLocalizedString.new(content: a.text.strip)]
      Bib::Subdivision.new(type: "technical-committee",
                           name: name)
    end
    org = Bib::Organization.new(
      name: [Bib::TypedLocalizedString.new(content: "OASIS")],
      subdivision: subdivisions,
    )
    desc = [Bib::LocalizedMarkedUpString.new(content: "committee")]
    role = Bib::Contributor::Role.new(
      type: "author", description: desc,
    )
    result = [Bib::Contributor.new(organization: org, role: [role])]
  end
  @errors[:editorialgroup_contributor] &&= result.empty?
  result
end

#parse_link ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength, Metrics/PerceivedComplexity



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# File 'lib/relaton/oasis/data_parser.rb', line 184

def parse_link # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength, Metrics/PerceivedComplexity
  result = if parts.size > 1
             []
           else
             links.map do |l|
               type = l[:href].match(/\.(\w+)$/)&.captures&.first
               type ||= "src"
               type.sub!("docx", "doc")
               type.sub!("html", "src")
               Bib::Uri.new(type: type, content: l[:href])
             end
           end
  @errors[:link] &&= result.empty?
  result
end

#parse_relation ⇒ Array<Bib::Relation>

Parse relation.

Returns:

  • (Array<Bib::Relation>) —

    relation



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# File 'lib/relaton/oasis/data_parser.rb', line 154

def parse_relation # rubocop:disable Metrics/MethodLength
  xpath = "./div/div/div[contains(@class, " \
          "'standard__grid--cite-as')]" \
          "/p[strong or span/strong or b/span]"
  rels = @node.xpath(xpath)
  result = if rels.size > 1
             rels.map do |r|
               docid = DataPartParser.new(r).parse_docid
               bib = ItemData.new(formattedref: Bib::Formattedref.new(content: docid[0].content))
               Bib::Relation.new(type: "hasPart", bibitem: bib)
             end
           else
             []
           end
  @errors[:relation] &&= result.empty?
  result
end

#parse_technology_area ⇒ Array<String>

Parse technology areas.

Returns:

  • (Array<String>) —

    technology areas



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# File 'lib/relaton/oasis/data_parser.rb', line 297

def parse_technology_area
  result = super(@node)
  @errors[:technology_area] &&= result.empty?
  result
end

#parse_title ⇒ Array<Bib::Title>

Parse title.

Returns:

  • (Array<Bib::Title>) —

    title



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# File 'lib/relaton/oasis/data_parser.rb', line 55

def parse_title
  result = [Bib::Title.new(type: "main", content: title, language: "en",
                           script: "Latn")]
  @errors[:title] &&= result.empty?
  result
end

#parts ⇒ Object 



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# File 'lib/relaton/oasis/data_parser.rb', line 200

def parts
  xpath = "./div/div/div[contains(@class, " \
          "'standard__grid--cite-as')]" \
          "/p[strong or span/strong]"
  @parts ||= @node.xpath(xpath)
end

#parts_to_docid(parts) ⇒ String

Create document identifier from parts references.

Parameters:

  • parts (Array<String>) —

    parts references

Returns:

  • (String) —

    document identifier



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# File 'lib/relaton/oasis/data_parser.rb', line 238

def parts_to_docid(parts) # rubocop:disable Metrics/AbcSize
  id = parts[1..].each_with_object(parts[0].split("-")) do |part, acc|
    chunks = part.split "-"
    chunks.each.with_index do |chunk, idx|
      unless chunk.casecmp(acc[idx])&.zero?
        acc.slice!(idx..-1)
        break
      end
    end
  end.join("-")
  parse_part parse_spec(id)
end

#text ⇒ Object 



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# File 'lib/relaton/oasis/data_parser.rb', line 21

def text
  xpath = "./div/div/div[contains(@class, " \
          "'standard__grid--cite-as')]" \
          "/p[em or i or a or span]"
  @text ||= @node.at(xpath)&.text&.strip
end

#title ⇒ Object 



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# File 'lib/relaton/oasis/data_parser.rb', line 17

def title
  @title ||= @node.at("./summary/div/h2").text
end

#title_to_docid(title) ⇒ String

Create document identifier from title.

Parameters:

  • title (String) —

    title

Returns:

  • (String) —

    document identifier



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# File 'lib/relaton/oasis/data_parser.rb', line 258

def title_to_docid(title) # rubocop:disable Metrics/AbcSize, Metrics/MethodLength, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
  abbrs = title.scan(/(?<=\()[^)]+(?=\))/)
  if abbrs.any?
    id = abbrs.map { |abbr| abbr.split.join("-") }.join "-"
    /(?:Version\s|v)(?<ver>[\d.]+)/ =~ title
    id += "-v#{ver}" if ver
    /(?<eb>ebXML|ebMS)/ =~ title
    id = "#{eb}-#{id}" if eb
    id
  else
    series_end = false
    title.sub(/\s\[OASIS\s\d+\]$/,
              "").split(/[,:]?\s|-|(?<=[a-z])(?=[A-Z][a-z])/)
      .each_with_object([""]) do |word, acc|
        if word =~ /^v[\d.]+/
          acc << $MATCH.to_s
          series_end = true
        elsif word.match?(/^Version/)
          acc << "v"
          series_end = false
        elsif word.match?(/^\d|ebXML|ebMS/)
          series_end ? acc << word : acc[-1] += word
          series_end = true
        elsif word.match?(/^\w+$/) && word == word.upcase
          series_end ? acc << word : acc[-1] = word
          series_end = true
        elsif word.match?(/[A-Z]+[a-z]+/)
          series_end ? acc << word[0] : acc[-1] += word[0]
          series_end = false
        end
    end.join "-"
  end
end