Class: MingleEvents::ZipDirectory
- Inherits:
-
Object
- Object
- MingleEvents::ZipDirectory
show all
- Defined in:
- lib/mingle_events/zip_directory.rb
Defined Under Namespace
Classes: ReusableEntryStream
Instance Method Summary
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Constructor Details
Returns a new instance of ZipDirectory.
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# File 'lib/mingle_events/zip_directory.rb', line 4
def initialize(name)
FileUtils.mkdir_p(File.dirname(name))
@root = name
@entry_map = nil
@readio = nil
end
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Instance Method Details
#close ⇒ Object
Also known as:
reload
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# File 'lib/mingle_events/zip_directory.rb', line 42
def close
@readio.close if @readio
@readio = nil
@entry_map = nil
end
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#delete ⇒ Object
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# File 'lib/mingle_events/zip_directory.rb', line 37
def delete
close
FileUtils.rm_rf(@root)
end
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#exists?(path) ⇒ Boolean
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# File 'lib/mingle_events/zip_directory.rb', line 32
def exists?(path)
return unless File.exist?(@root)
entry_map.include?(path)
end
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#file(path, &block) ⇒ Object
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# File 'lib/mingle_events/zip_directory.rb', line 25
def file(path, &block)
measure("read file") do
raise "File at '#{path}' in archive '#{@root}' dose not exisits" unless exists?(path)
entry_map[path].open { |entry_stream| yield(entry_stream) }
end
end
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#write_file(path, &block) ⇒ Object
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# File 'lib/mingle_events/zip_directory.rb', line 11
def write_file(path, &block)
measure('write_file') do
exists = File.exist?(@root) && File.lstat(@root).size > 1024
writeio = File.open(@root, exists ? 'r+b' : 'wb')
writeio.seek(-1024, IO::SEEK_END) if exists
Archive::Tar::Minitar::Output.open(writeio) do |output|
stat = {:mode => 0100644, :mtime => Time.now}
output.tar.add_file(path, stat) { |io, opts| yield(io) }
end
end
end
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