Class: Dphil::LemmaList

Inherits:
Nokogiri::XML::SAX::Document
  • Object
show all
Includes:
Enumerable
Defined in:
lib/dphil/lemma_list.rb

Overview

An object containing a list of lemmata generated through SAX parsing of an

XML document.

Immutable.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source) ⇒ LemmaList

Returns a new instance of LemmaList.



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# File 'lib/dphil/lemma_list.rb', line 15

def initialize(source)
  @members = []
  source = source.to_s.strip
  return if source.empty?
  @lemma_ignore_start_tags = Set.new(%w[TEI text body pre post div])
  @lemma_ignore_end_tags = @lemma_ignore_start_tags + Set.new(%w[pb lb])
  @index = 0
  @open_elements = []
  @current_pb = []
  @current_lb = []
  @current_chars = ""
  @current_lemma = []
  @inside_hyphen = false
  @empty_element = true

  @parser = Nokogiri::XML::SAX::Parser.new(self)
  @parser.parse(source)
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/dphil/lemma_list.rb', line 13

def name
  @name
end

Instance Method Details

#[](*args) ⇒ Object 



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# File 'lib/dphil/lemma_list.rb', line 43

def [](*args)
  @members[*args]
end

#cx_tokens ⇒ Object 



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# File 'lib/dphil/lemma_list.rb', line 64

def cx_tokens
  @members.map do |lemma|
    out = {
      t: lemma.text,
      n: Transliterate.normalize_iast(lemma.text),
      i: lemma.index,
      p: lemma.page,
      f: lemma.facs,
      l: lemma.line,
    }
    warn "Token empty: #{out}" if out[:t].empty?
    out
  end
end

#each(&block) ⇒ Object 



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# File 'lib/dphil/lemma_list.rb', line 34

def each(&block)
  @members.each(&block)
end

#get(index) ⇒ Object 



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# File 'lib/dphil/lemma_list.rb', line 47

def get(index)
  raise "Non-numeric index passed to Lemma.get" unless index.is_a? Numeric
  if index < 1
    warn "Minimum index of Lemma.get() is 1"
    index = 1
  end
  @members[index - 1]
end

#members(limit = nil) ⇒ Object 



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# File 'lib/dphil/lemma_list.rb', line 38

def members(limit = nil)
  return @members[0, limit] if limit.is_a? Numeric
  @members
end

#size ⇒ Object 



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# File 'lib/dphil/lemma_list.rb', line 56

def size
  @members.size
end

#to_s ⇒ Object 



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# File 'lib/dphil/lemma_list.rb', line 60

def to_s
  @members.map(&:text).join("\n")
end