6 files changed, 149 insertions, 0 deletions
diff --git a/Gemfile b/Gemfile
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+++ b/Gemfile
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+# A sample Gemfile
+source "https://rubygems.org"
+
+gem "minitest"
diff --git a/Gemfile.lock b/Gemfile.lock
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+++ b/Gemfile.lock
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+GEM
+  remote: https://rubygems.org/
+  specs:
+    minitest (5.5.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  minitest
diff --git a/lib/norwegian-postcodes.rb b/lib/norwegian-postcodes.rb
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+++ b/lib/norwegian-postcodes.rb
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+module PostCodes
+
+  Counties = [
+    "ØSTFOLD",
+    "AKERSHUS",
+    "OSLO",
+    "HEDMARK",
+    "OPPLAND",
+    "BUSKERUD",
+    "VESTFOLD",
+    "TELEMARK",
+    "AUST-AGDER",
+    "VEST-AGDER",
+    "ROGALAND",
+    "HORDALAND",
+    "(BERGEN)",
+    "SOGN OG FJORDANE",
+    "MØRE OG ROMSDAL",
+    "SØR-TRØNDELAG",
+    "NORD-TRØNDELAG",
+    "NORDLAND",
+    "TROMS",
+    "FINNMARK",
+    "SVALBARD",
+    "JAN MAYEN",
+    "KONTINENTALSOKKELEN"
+  ]
+
+  class PostCode
+    attr_reader :postcode, :city, :municipality, :municipality_name, :cat
+
+    def initialize(postcode, city, muni, muni_name, cat)
+      @postcode, @city, @municipality, @municipality_name, @cat = postcode, city, muni, muni_name, cat
+    end
+
+    def county
+      code = @municipality[0..1].to_i
+      [code, PostCodes.county(code)]
+    end
+
+    def >=(postcode)
+      @postcode.to_i >= postcode.to_i
+    end
+
+    def to_s
+      [@postcode, @city, @municipality, @municipality_name, @cat].join("\t")
+    end
+  end
+
+  class << self
+    def load(f)
+      @postcodes = []
+      IO.foreach(f, :encoding => Encoding::ISO_8859_15) do |l|
+        a = l.chomp().split("\t").map{|s| s.encode(Encoding::UTF_8)}
+        @postcodes << PostCode.new(*a)
+      end
+    end
+
+    def search(pc)
+      @postcodes.bsearch {|x| x >= pc}
+    end
+
+    def county(c)
+      return nil unless c > 0 && c <= Counties.size
+      Counties[c - 1]
+    end
+  end
+end
diff --git a/lib/tasks/norwegian-postcodes.rake b/lib/tasks/norwegian-postcodes.rake
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/lib/tasks/norwegian-postcodes.rake
diff --git a/norwegian-postcodes.gemspec b/norwegian-postcodes.gemspec
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+++ b/norwegian-postcodes.gemspec
@@ -0,0 +1,12 @@
+Gem::Specification.new do |s|
+  s.name        = 'norwegian-postcodes'
+  s.version     = '0.0.1'
+  s.date        = '2010-04-28'
+  s.summary     = "Find city and fylke from norwegian postcodes"
+  s.description = "Find city and fylke from norwegian postcodes."
+  s.authors     = ["Harald Eilertsen"]
+  s.email       = 'haraldei@anduin.net'
+  s.files       = ["lib/norwegian-postcodes.rb"]
+  s.homepage    = ''
+  s.license     = 'GPLv3'
+end
+\ No newline at end of file
diff --git a/test/test_postcodes.rb b/test/test_postcodes.rb
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+++ b/test/test_postcodes.rb
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+require 'minitest/autorun'
+require_relative '../lib/norwegian-postcodes'
+
+describe PostCodes::PostCode do
+  before do
+    @postcode = PostCodes::PostCode.new('1234', 'MYTOWN', '1378', 'MY MUNICIPALITY', 'G')
+  end
+
+  it "compares to a postcode" do
+    (@postcode >= '1233').must_equal true
+    (@postcode >= '1234').must_equal true
+    (@postcode >= '1235').must_equal false
+  end
+
+  it "has a county" do
+    @postcode.county.must_equal [13, '(BERGEN)']
+  end
+
+  it "can print it's original form" do
+    @postcode.to_s.must_equal "1234\tMYTOWN\t1378\tMY MUNICIPALITY\tG"
+  end
+end
+
+describe 'PostCodes::county' do
+  it "must give the right county names" do
+    PostCodes.county(1).must_equal('ØSTFOLD')
+    PostCodes.county(2).must_equal('AKERSHUS')
+    PostCodes.county(3).must_equal('OSLO')
+    PostCodes.county(4).must_equal('HEDMARK')
+    PostCodes.county(5).must_equal('OPPLAND')
+    PostCodes.county(6).must_equal('BUSKERUD')
+    PostCodes.county(7).must_equal('VESTFOLD')
+    PostCodes.county(8).must_equal('TELEMARK')
+    PostCodes.county(9).must_equal('AUST-AGDER')
+    PostCodes.county(10).must_equal('VEST-AGDER')
+    PostCodes.county(11).must_equal('ROGALAND')
+    PostCodes.county(12).must_equal('HORDALAND')
+    PostCodes.county(13).must_equal('(BERGEN)')
+    PostCodes.county(14).must_equal('SOGN OG FJORDANE')
+    PostCodes.county(15).must_equal('MØRE OG ROMSDAL')
+    PostCodes.county(16).must_equal('SØR-TRØNDELAG')
+    PostCodes.county(17).must_equal('NORD-TRØNDELAG')
+    PostCodes.county(18).must_equal('NORDLAND')
+    PostCodes.county(19).must_equal('TROMS')
+    PostCodes.county(20).must_equal('FINNMARK')
+    PostCodes.county(21).must_equal('SVALBARD')
+    PostCodes.county(22).must_equal('JAN MAYEN')
+    PostCodes.county(23).must_equal('KONTINENTALSOKKELEN')
+  end
+
+  it "must fail on invalid county codes" do
+    PostCodes.county(0).must_equal nil
+    PostCodes.county(25).must_equal nil
+  end
+end
+\ No newline at end of file