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Versions: 7
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Contents
# Copyright (C) 2013 Kouhei Sutou <kou@clear-code.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
require "stringio"
require "zlib"
module ChupaText
module Decomposers
class Gzip < Decomposer
registry.register("gzip", self)
TARGET_EXTENSIONS = ["gz", "tgz"]
TARGET_MIME_TYPES = [
"application/gzip",
"application/x-gzip",
"application/x-gtar-compressed",
]
def target?(data)
TARGET_EXTENSIONS.include?(data.extension) or
TARGET_MIME_TYPES.include?(data.mime_type)
end
def decompose(data)
reader = Zlib::GzipReader.new(StringIO.new(data.body))
uri = nil
case data.extension
when "gz"
uri = data.uri.to_s.gsub(/\.gz\z/i, "")
when "tgz"
uri = data.uri.to_s.gsub(/\.tgz\z/i, ".tar")
end
extracted = VirtualFileData.new(uri, reader)
extracted.source = data
yield(extracted)
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems