Class: Fetchers::Zip
- Inherits:
-
Object
- Object
- Fetchers::Zip
- Defined in:
- lib/fetchers/zip.rb
Instance Attribute Summary collapse
-
#files ⇒ Object
readonly
Returns the value of attribute files.
Class Method Summary collapse
Instance Method Summary collapse
-
#initialize(target) ⇒ Zip
constructor
A new instance of Zip.
- #read(file) ⇒ Object
- #read_from_zip(file) ⇒ Object
Constructor Details
#initialize(target) ⇒ Zip
Returns a new instance of Zip.
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# File 'lib/fetchers/zip.rb', line 21 def initialize(target) @target = target @contents = {} @files = [] ::Zip::InputStream.open(@target) do |io| while (entry = io.get_next_entry) @files.push(entry.name.sub(%r{/+$}, '')) end end end |
Instance Attribute Details
#files ⇒ Object (readonly)
Returns the value of attribute files.
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# File 'lib/fetchers/zip.rb', line 12 def files @files end |
Class Method Details
.resolve(target) ⇒ Object
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# File 'lib/fetchers/zip.rb', line 14 def self.resolve(target) unless target.is_a?(String) && File.file?(target) && target.end_with?('.zip') return nil end new(target) end |
Instance Method Details
#read(file) ⇒ Object
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# File 'lib/fetchers/zip.rb', line 32 def read(file) @contents[file] ||= read_from_zip(file) end |
#read_from_zip(file) ⇒ Object
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# File 'lib/fetchers/zip.rb', line 36 def read_from_zip(file) return nil unless @files.include?(file) res = nil ::Zip::InputStream.open(@target) do |io| while (entry = io.get_next_entry) next unless file == entry.name res = io.read break end end res end |