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Contents
# encoding: UTF-8
require 'tempfile'
module Cb2Bib
def self.extract(file, opts={})
ParseOperation.new(file, opts).result
end
class ParseOperation
attr_reader :result
def initialize(file, opts)
extract_from_file(file, opts[:remote] || false, opts[:sloppy] || true)
end
private
def extract_from_file(doc, remote=false, sloppy=true)
bib = Tempfile.new(['out','.bib'])
conf = Tempfile.new(['cb2bib','.conf']) # we'll put our custom configuration here, and then cb2bib will fill in the rest with its defaults
begin
conf.write(cb2bib_config(remote))
conf.open # not clear why we have to do this, but otherwise cb2bib doesn't read it
`cb2bib #{sloppy ? '--sloppy' : ''} --txt2bib #{doc.path} #{bib.path} --conf #{conf.path}`
bibtext = bib.read
ensure
conf.close!
bib.close!
end
@result = {}
if defined?(bibtext) && !bibtext.blank?
bibtext.split("\n").each do |line|
if (m = line.match /^(\w+)\s+= \{?(.+)\},?$/)
field = cleaned_field(m[1])
value = cleaned_value(field, m[2])
@result[field] = value
end
end
end
end
def cb2bib_config(remote)
"""
[cb2Bib]
AutomaticQuery=#{!!remote}
"""
end
def cleaned_field(field)
cleaned = field.to_sym
if cleaned == :author
:authors
else
cleaned
end
end
def cleaned_value(field, value)
value.strip!
if (m = value.match /^\{(.+)\}$/)
value = m[1]
value.strip!
end
if field == :authors
value.split(' and ').map(&:strip)
elsif value.match /^\d+$/
value.to_i
else
value
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems