Redmine

# 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.

      'image/x-ms-bmp' => 'bmp',

      'image/x-xpixmap' => 'xpm',

      'application/pdf' => 'pdf',

      'application/zip' => 'zip',

      'application/x-gzip' => 'gz',

    }.freeze

    EXTENSIONS = MIME_TYPES.inject({}) do |map, (type, exts)|

      exts.split(',').each {|ext| map[ext.strip] = 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[2].downcase] if m

    end

    # Returns the css class associated to

    # the mime type of name

    def self.css_class_of(name)

      mime = of(name)

      mime && mime.gsub('/', '-')

    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