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# frozen_string_literal: true
class BaseExporter
def initialize(things:)
@things = things
end
protected
# Returns a string which forces a new TeX line.
def tex_new_line
'\\\\~\\\\'
end
# Returns a two-sized array containing the first name and the last name as
# parsed from the `author` string. This method assumes the following format is
# followed:
# - 'Name' -> ['Name', nil]
# - 'Name Surname' -> ['Name', 'Surname']
# - 'Compound Name Surname' -> ['Compound Name', 'Surname']
# - 'Name _Surname1 Surname2_' -> ['Name', 'Surname1 Surname2']
def parse_author(author:)
matches = /(.+)?\s_(.+)_/.match(author)
return matches[1].strip, matches[2].strip if matches&.size == 3
a = author.split
return [author, nil] if a.size == 1
[a[0..-2].join(' '), a.last]
end
# Parse the string in `thing.authors` and put each author followed by
# semicolon and the right order for first and last name. It will also cover
# whenever editors are involved.
def parse_authors(thing:)
str = thing.authors.split(',').map do |author|
first, last = parse_author(author: author.strip)
last.blank? ? upper_case(text: first).to_s : "#{upper_case(text: last)}, #{first}"
end.join('; ')
str += ' (eds.)' if thing.editors
str
end
# Returns an "Inside of" string where `sub` is the substring contained in it.
def inside_of(sub:)
str = if sub.downcase.start_with?(*%w[a e i o u])
I18n.t('general.insideof-vowel')
else
I18n.t('general.insideof')
end
str + " #{emph(text: sub)}"
end
# Returns the head of a formatted "thing", containing authors, year, title
# and, if available, the "inside of" information. This is shared across some
# exporters, thus placed in here.
#
# NOTE: the subclass *must* implement `parse_title`.
def head(thing:)
str = "#{parse_authors(thing:)} (#{thing.year}). #{parse_title(title: thing.title)}."
if thing.insideof.present?
str += " #{inside_of(sub: thing.insideof)}"
str += thing.pages.present? ? ", #{thing.pages}." : '.'
end
str
end
end
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