def parse(accept_header)
list = []
accept_header.split(/,/).each_with_index do |header, index|
params, q = header.split(/;\s*q=/)
if params
params.strip!
list << AcceptItem.new(index, params, q) unless params.empty?
end
end
list.sort!
text_xml = list.index("text/xml")
app_xml = list.index(Mime::XML.to_s)
if text_xml && app_xml
list[app_xml].q = [list[text_xml].q, list[app_xml].q].max
if app_xml > text_xml
list[app_xml], list[text_xml] = list[text_xml], list[app_xml]
app_xml, text_xml = text_xml, app_xml
end
list.delete_at(text_xml)
elsif text_xml
list[text_xml].name = Mime::XML.to_s
end
if app_xml
idx = app_xml
app_xml_type = list[app_xml]
while(idx < list.length)
type = list[idx]
break if type.q < app_xml_type.q
if type.name =~ /\+xml$/
list[app_xml], list[idx] = list[idx], list[app_xml]
app_xml = idx
end
idx += 1
end
end
list.map! { |i| Mime::Type.lookup(i.name) }.uniq!
list
end