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git-svn-id: http://redmine.rubyforge.org/svn/trunk@521 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine.rb

@@ -1,2 +1,3 @@
 require 'redmine/version'
+require 'redmine/mime_type'
 require 'redmine/acts_as_watchable/init'

lib/redmine/mime_type.rb

@@ -0,0 +1,58 @@
+# redMine - project management software
+# Copyright (C) 2006-2007  Jean-Philippe Lang
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module Redmine
+  module MimeType
+
+    MIME_TYPES = {
+      'text/plain' => 'txt',
+      'text/css' => 'css',
+      'text/html' => 'html,htm,xhtml',
+      'text/x-javascript' => 'js',
+      'text/x-html-template' => 'rhtml',
+      'text/x-ruby' => 'rb,ruby',
+      'image/gif' => 'gif',
+      'image/jpeg' => 'jpg,jpeg,jpe',
+      'image/png' => 'png',
+      'image/tiff' => 'tiff,tif'
+    }.freeze
+    
+    EXTENSIONS = MIME_TYPES.inject({}) do |map, (type, exts)|
+      exts.split(',').each {|ext| map[ext] = type}
+      map
+    end
+    
+    # returns mime type for name or nil if unknown
+    def self.of(name)
+      return nil unless name
+      m = name.to_s.match(/\.([^\.]+)$/)
+      EXTENSIONS[m[1]] if m
+    end
+    
+    def self.main_mimetype_of(name)
+      mimetype = of(name)
+      mimetype.split('/').first if mimetype
+    end
+    
+    # return true if mime-type for name is type/*
+    # otherwise false
+    def self.is_type?(type, name)
+      main_mimetype = main_mimetype_of(name)
+      type.to_s == main_mimetype
+    end  
+  end
+end