forked from lex-lingo/lingo
/
multi_key.rb
68 lines (53 loc) · 2.83 KB
/
multi_key.rb
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# encoding: utf-8
#--
###############################################################################
# #
# Lingo -- A full-featured automatic indexing system #
# #
# Copyright (C) 2005-2007 John Vorhauer #
# Copyright (C) 2007-2016 John Vorhauer, Jens Wille #
# #
# Lingo is free software; you can redistribute it and/or modify it under the #
# terms of the GNU Affero General Public License as published by the Free #
# Software Foundation; either version 3 of the License, or (at your option) #
# any later version. #
# #
# Lingo is distributed in the hope that it will be useful, but WITHOUT ANY #
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS #
# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for #
# more details. #
# #
# You should have received a copy of the GNU Affero General Public License #
# along with Lingo. If not, see <http://www.gnu.org/licenses/>. #
# #
###############################################################################
#++
class Lingo
class Database
class Source
#--
# Abgeleitet von Source behandelt die Klasse Dateien mit dem Format <tt>MultiKey</tt>.
# Eine Zeile <tt>"Triumph;Sieg;Erfolg\n"</tt> wird gewandelt in <tt>[ 'triumph', ['sieg', 'erfolg'] ]</tt>.
# Die Sonderbehandlung erfolgt in der Methode Database#convert, wo daraus Schlüssel-Werte-Paare in der Form
# <tt>[ 'sieg', ['triumph'] ]</tt> und <tt>[ 'erfolg', ['triumph'] ]</tt> erzeugt werden.
# Der Trenner zwischen Schlüssel und Projektion kann über den Parameter <tt>separator</tt> geändert werden.
#++
class MultiKey < self
DEFAULT_SEPARATOR = ';'.freeze
def initialize(id, lingo)
super
@pat = /^#{@wrd}(?:#{Regexp.escape(@sep)}#{@wrd})*$/
end
def set(db, key, val)
key = lexical(key, @def) if @def
val.each { |v| db[v] = [key] }
end
private
def convert_line(line, key, val)
values = line.split(@sep).each { |i| i.strip! }
[values.shift, values]
end
end
end
end
end