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Asciidoctor::Extensions.register do
inline_macro :pageref do
process do |parent, refid|
doc = (doc = parent.document).nested? ? doc.parent_document : doc
if (ref = doc.catalog[:refs][refid])
section = (closest ref, :section) || doc
unless (physical_pagenum = section.attr 'pdf-page-start')
doc.instance_variable_set :@pass, 1 unless (doc.instance_variable_get :@pass) == 2
next create_inline parent, :quoted, '00' # reserve space for real page number
end
attributes = { 'refid' => refid, 'fragment' => refid, 'path' => nil }
create_anchor parent, %(#{physical_pagenum + 1 - (start_page_number doc)}), { type: :xref, attributes: attributes }
else
create_inline parent, :quoted, '???'
end
end
def closest node, context
node.context == context ? node : ((parent = node.parent) && (closest parent, context))
end
def start_page_number doc
doc.converter.index.start_page_number
end
end
postprocessor do
process do |doc|
if (doc.instance_variable_get :@pass) == 1
doc.instance_variable_set :@pass, 2
doc.convert # WARNING: this may have side effects
end
doc.converter
end
end
end
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