1 files changed, 138 insertions, 0 deletions
diff --git a/fontpackages/fontpackages.rb b/fontpackages/fontpackages.rb
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+++ b/fontpackages/fontpackages.rb
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+#! /usr/bin/env ruby
+# -*- encoding: utf-8 mode: ruby -*-
+# fontpackages.rb
+# Copyright (C) 2009-2010 Red Hat, Inc.
+
+# Authors:
+#   Akira TAGOH  <tagoh@redhat.com>
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+# This program 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 General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+begin
+  require 'fontpackages/comps'
+rescue LoadError
+  require File.join(File.dirname(__FILE__), '..', 'fontpackages', 'comps')
+end
+
+module FontPackages
+
+=begin rdoc
+
+== FontPackages::FontPackages
+
+=end
+
+  class FontPackages
+
+    def initialize(comps)
+      @comps = Comps::Root.new(comps)
+    end # def initialize
+
+    def fontpackages(mode = :all)
+      grps = @comps.groups(:langonly)
+      grps << @comps.group("fonts")
+      grps << @comps.group("legacy-fonts")
+      grps.map do |grp|
+        case mode
+        when :all
+          grp.packages
+        when :default
+          grp.packages(:default)
+        else
+          STDERR.printf("W: unknown query mode: %s\n", mode)
+          []
+        end.map do |pkg|
+          pkg.name =~ /-fonts\Z/ ? pkg : nil
+        end.compact
+      end.flatten
+    end # def fontpackages
+
+    def supported_languages(package)
+      retval = []
+
+      @comps.groups.each do |grp|
+        if grp.has_package?(package) then
+          if grp.name !~ /fonts/ && (grp.lang.nil? || grp.lang.empty?) then
+            # assuming it may be "en"
+            retval << "en"
+          else
+            retval << grp.lang if !grp.lang.nil? && !grp.lang.empty?
+          end
+        end
+      end
+
+      retval
+    end # def supported_languages
+
+    def is_lgc_font?(package)
+      lang = supported_languages(package)
+      ll = []
+      # Latin-1
+      ll[1] = ['af', 'sq', 'br', 'ca', 'da', 'en', 'en_GB', 'gl', 'de', 'is', 'ga', 'it', 'ku', 'la', 'lb', 'nb', 'oc', 'pt_BR', 'pt', 'es', 'sw', 'sv', 'wa', 'eu'] # XXX: Faroese, Leonese, Rhaeto-Romanic, Scottish Gaelic
+      # Latin-2
+      ll[2] = ['bs', 'hr', 'cs', 'de', 'hu', 'pl', 'ro', 'sr', 'sk', 'sl', 'hsb'] # XXX: Lower Sorbian
+      # Latin-3
+      ll[3] = ['tr', 'mt', 'eo']
+      # Latin-4
+      ll[4] = ['et', 'lv', 'lt'] # XXX: Greenlandic, Sami
+      # Latin/Cyrillic
+      ll[5] = ['bg', 'be', 'ru', 'sr', 'mk']
+      # Latin/Arabic
+      #ll[6] = ['ar']
+      # Latin/Greek
+      ll[7] = ['el', 'ka']
+      # Latin/Hebrew
+      #ll[8] = ['he']
+      # Latin-5
+      ll[9] = ['tr']
+      # Latin-6
+      ll[10] = ['is', 'nb', 'da', 'sv'] # XXX: Faroese
+      # Latin/Thai
+      #ll[11] = ['th']
+      # Latin/Devanagari
+      # ll12: for Devanagari
+      # Latin-7
+      #ll[13] = [] # XXX: Western Baltic, Eastern Baltic
+      # Latin-8
+      ll[14] = ['gd', 'cy', 'br']
+      # Latin-9
+      ll[15] = ['af', 'sq', 'br', 'ca', 'da', 'nl', 'en', 'en_GB', 'et', 'fi', 'fr', 'gl', 'de', 'is', 'ga', 'it', 'ku', 'la', 'lb', 'ms', 'nb', 'oc', 'pt_BR', 'pt', 'es', 'sw', 'tl', 'wa'] # XXX: Faroese, Rhaeto-Romanic, Scottish Gaelic, Scots
+      # Latin-10
+      ll[16] = ['sq', 'hr', 'hu', 'pl', 'ro', 'sl', 'fr', 'de', 'it', 'ga']
+
+      retval = false
+      ll.flatten.compact.sort.uniq.each do |l|
+        retval ||= lang.include?(l)
+        break if retval
+      end
+      retval
+    end # def is_lgc_font?
+
+    def is_cijk_font?(package)
+      lang = supported_languages(package)
+      indic = ['as', 'bn', 'hne', 'gu', 'hi', 'kn', 'ks', 'kok', 'mai', 'ml', 'mr', 'ne', 'or', 'pa', 'sa', 'sd', 'si', 'ta', 'te']
+      cjk = ['zh', 'ja', 'ko']
+      retval = false
+      (cjk + indic).each do |ll|
+        retval ||= lang.include?(ll)
+        break if retval
+      end
+      retval
+    end # def is_cijk_font?
+
+  end # class FontPackages
+
+end # module FontPackages