Class: AnyStyle::Parser

Inherits:
ParserCore show all
Includes:
Format::BibTeX, Format::CSL
Defined in:
lib/anystyle/parser.rb

Constant Summary

Constants included from Format::BibTeX

Format::BibTeX::TYPES

Instance Attribute Summary

Attributes inherited from ParserCore

#features, #model, #normalizers, #options

Instance Method Summary collapse

Methods included from Format::CSL

#dates_to_citeproc, #format_csl

Methods included from Format::BibTeX

#format_bibtex, #names_to_bibtex

Methods inherited from ParserCore

#check, instance, #label, #learn, load, #load_model, #normalize, #train

Methods included from StringUtils

canonize, count, display_chars, display_width, indent, nnum, page_break?, scrub, strip_html, transliterate

Constructor Details

#initialize(options = {}) ⇒ Parser

Returns a new instance of Parser


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# File 'lib/anystyle/parser.rb', line 108

def initialize(options = {})
  super(options)

  @features = [
    Feature::Canonical.new,
    Feature::Category.new,
    Feature::Affix.new(size: 2),
    Feature::Affix.new(size: 2, suffix: true),
    Feature::Caps.new,
    Feature::Number.new,
    Feature::Dictionary.new(dictionary: options[:dictionary] || Dictionary.instance),
    Feature::Keyword.new,
    Feature::Position.new,
    Feature::Punctuation.new,
    Feature::Brackets.new,
    Feature::Terminal.new,
    Feature::Locator.new
  ]

  @normalizers = [
    Normalizer::Unicode.new,
    Normalizer::Quotes.new,
    Normalizer::Brackets.new,
    Normalizer::Punctuation.new,
    Normalizer::Journal.new,
    Normalizer::Container.new,
    Normalizer::Edition.new,
    Normalizer::Volume.new,
    Normalizer::Page.new,
    Normalizer::Date.new,
    Normalizer::Location.new,
    Normalizer::Locator.new,
    Normalizer::Publisher.new,
    Normalizer::PubMed.new,
    Normalizer::ArXiv.new,
    Normalizer::Names.new,
    Normalizer::Locale.new,
    Normalizer::Type.new
  ]
end

Instance Method Details

#expand(dataset) ⇒ Object


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# File 'lib/anystyle/parser.rb', line 149

def expand(dataset)
  dataset.each do |seq|
    seq.tokens.each_with_index do |tok, idx|
      alpha = scrub tok.value
      tok.observations = features.map { |f|
        f.observe tok.value, alpha: alpha, idx: idx, seq: seq
      }
    end
  end
end

#flatten_values(hash, skip: [], spacer: ' ') ⇒ Object


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# File 'lib/anystyle/parser.rb', line 166

def flatten_values(hash, skip: [], spacer: ' ')
  hash.each_pair do |key, value|
    unless !value.is_a?(Array) || skip.include?(key)
      if value.length > 1 && value[0].respond_to?(:join)
        hash[key] = value.join(spacer)
      else
        hash[key] = value[0]
      end
    end
  end
end

#format_hash(dataset, symbolize_keys: true) ⇒ Object


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# File 'lib/anystyle/parser.rb', line 160

def format_hash(dataset, symbolize_keys: true)
  dataset.inject([]) { |out, seq|
    out << normalize(seq.to_h(symbolize_keys: symbolize_keys), prev: out)
  }
end

#parse(input, format: options[:format], **opts) ⇒ Object


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# File 'lib/anystyle/parser.rb', line 182

def parse(input, format: options[:format], **opts)
  case format.to_sym
  when :wapiti
    label(input, **opts)
  when :hash, :bibtex, :citeproc, :csl
    formatter = "format_#{format}".to_sym
    send(formatter, label(input, **opts), **opts)
  else
    raise ArgumentError, "format not supported: #{format}"
  end
end

#prepare(input, **opts) ⇒ Object


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# File 'lib/anystyle/parser.rb', line 194

def prepare(input, **opts)
  opts[:separator] ||= options[:separator]
  opts[:delimiter] ||= options[:delimiter]
  input = input.join("\n") if input.is_a?(Array) && input[0].is_a?(String)
  super(input, opts)
end

#rename_value(hash, name, new_name) ⇒ Object


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# File 'lib/anystyle/parser.rb', line 178

def rename_value(hash, name, new_name)
  hash[new_name] = hash.delete name if hash.key?(name)
end