Module: Citation

Included in:
EntryPoint::CLI
Defined in:
lib/citation.rb,
lib/citation/version.rb,
lib/citation/citation.rb

Defined Under Namespace

Classes: Base

Constant Summary collapse

VERSION = 
"0.1.0"

Class Method Summary collapse

Class Method Details

.parse(str, recursive = false) ⇒ Object 



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# File 'lib/citation/citation.rb', line 46

def self.parse(str, recursive=false)
  base = Base.new
  string = str.dup
  urls = URI.extract(string, %w(http https))
  urls.each do | url |
    string.slice!(url)
  end
  base.url = urls
 
  # fetch square bracket
  bracket_matcher = string.match(/\[([\w\d_ ]).+\]/)
  base.sq = bracket_matcher[0] unless bracket_matcher.nil?
  string.slice!(base.sq)
 
  # fetch year
  year_matcher = string.scan(/\d{4}/)
  base.year = year_matcher.
    map(&:to_i).
    select{|i| i > 1970 and i < Time.now.year}.
    shift.to_s unless year_matcher.nil?
  string.slice!(base.year)
 
  # fetch title if format is MLA
  title_matcher = string.match(/".+"/)
  unless title_matcher.nil?
    base.title = title_matcher[0] unless title_matcher.nil?
    s = string.split(base.title)
    string.slice!(base.title)
    string.slice!('()')
    base.title.gsub!('"','')

    author = s.shift
    base.author = author
    base.desc = s.shift
    base.type = 'MLA'.to_sym

    string.slice!(base.author)
    string.slice!(base.desc)
  end

  # fetch title if format is APA
  title_matcher = string.match(/\(\)\. .+\. /)
  if base.type.empty? and not title_matcher.nil?
    base.title = title_matcher[0] unless title_matcher.nil?
    base.title.gsub!(/"|\(\)\. /,'')
    
    string.slice!(base.title)
    s = string.split('(). ')
    author = s.shift
    base.author = author
    base.desc = s.shift
    base.type = 'APA'.to_sym
    string.slice!(base.author)
    string.slice!(base.desc)
  end


  # fetch title if format is ISO 690
  iso_matcher = string.match(/, \.$/)
  if base.type.empty? and not iso_matcher.nil?
    s = string.gsub(/ ([A-Z]). /,'_\1_ ')
    arr = s.split('. ')
    base.author = arr.shift.gsub(/_([A-Z])_ /,' \1. ')
    base.title = arr.shift if base.title == ''
    base.desc = arr.shift
    base.type = 'ISO 6900'.to_sym
  end


  # fetch other
  if base.type.empty?
    s = string.gsub(/ ([A-Z]). /,'_\1_ ')
    arr = s.split('. ')
    base.author = arr.shift.gsub(/_([A-Z])_ /,' \1. ')
    base.title = arr.shift if base.title == ''
    base.desc = arr
  end
  return base
  
end