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Contents
module CiteProc
module Ruby
class Renderer
# @param item [CiteProc::CitationItem]
# @param node [CSL::Style::Label]
# @param variable [String]
#
# @return [String]
def render_label(item, node, variable = node.variable)
return '' if variable.nil? || variable.empty?
case
when node.page?
value, name = item.read_attribute(:page) || item.data.unobservable_read_attribute(:page).to_s, :page
format_page_range!(value, node.page_range_format)
when node.locator?
# Subtle: when there is no locator we also look
# in item.data; there should be no locator there
# either but the read access will be noticed by
# observers (if any).
value, name = item.locator || item.data.unobservable_read_attribute(:locator), item.label || 'page'
when node.names_label?
# We handle the editortranslator special case
# by fetching editors since we can assume
# that both are present and identical!
if variable == :editortranslator
value, name = item.data.unobservable_read_attribute(:editor), variable.to_s
else
value, name = item.data.unobservable_read_attribute(variable), variable.to_s
end
else
value, name = item.data.unobservable_read_attribute(variable), node.term
end
return '' if value.nil? || value.respond_to?(:empty?) && value.empty?
options = node.attributes_for :form
options[:plural] = case
when node.always_pluralize?
true
when node.never_pluralize?
false
when node.number_of_pages?, node.number_of_volumes?
value.to_i > 1
when value.respond_to?(:plural?)
value.plural?
else
CiteProc::Number.pluralize?(value.to_s)
end
translate name, options
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems