9 ## maintain the mapping between people and aliases. for contacts without
10 ## aliases, there will be no @a2p entry, so @p2a.keys should be treated
11 ## as the canonical list of contacts.
13 @p2a = {} # person to alias
14 @a2p = {} # alias to person
18 l =~ /^([^:]*): (.*)$/ or raise "can't parse #{fn} line #{l.inspect}"
20 p = Person.from_address addr
22 @a2p[aalias] = p unless aalias.nil? || aalias.empty?
27 def contacts; @p2a.keys end
28 def contacts_with_aliases; @a2p.values.uniq end
30 def update_alias person, aalias=nil
31 if(old_aalias = @p2a[person]) # remove old alias
32 @a2p.delete old_aalias
35 @a2p[aalias] = person unless aalias.nil? || aalias.empty?
38 ## this may not actually be called anywhere, since we still keep contacts
39 ## around without aliases to override any fullname changes.
40 def drop_contact person
43 @a2p.delete aalias if aalias
46 def contact_for aalias; @a2p[aalias] end
47 def alias_for person; @p2a[person] end
48 def is_aliased_contact? person; !@p2a[person].nil? end
51 File.open(@fn, "w") do |f|
52 @p2a.sort_by { |(p, a)| [p.full_address, a] }.each do |(p, a)|
53 f.puts "#{a || ''}: #{p.full_address}"