Class: ZipReader

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/zip_dsl/zip_reader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ ZipReader

Returns a new instance of ZipReader.



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# File 'lib/zip_dsl/zip_reader.rb', line 8

def initialize name
  @zis = Zip::ZipInputStream.new("#{name}")
end

Instance Attribute Details

#zis ⇒ Object (readonly)

Returns the value of attribute zis.



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# File 'lib/zip_dsl/zip_reader.rb', line 6

def zis
  @zis
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/zip_dsl/zip_reader.rb', line 21

def close
  zis.close
end

#each(&block) ⇒ Object 



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# File 'lib/zip_dsl/zip_reader.rb', line 12

def each(&block)
  zis.rewind

  while (entry = zis.get_next_entry)
    next if entry.name =~ %r{\.\.}
    block.call(entry)
  end
end

#each_entry(dir = ".", &code) ⇒ Object 



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# File 'lib/zip_dsl/zip_reader.rb', line 62

def each_entry dir=".", &code
  self.each do |entry|
    if entry.name =~ /#{dir}/
      code.call(entry)
    end
  end
end

#entries_size ⇒ Object 



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# File 'lib/zip_dsl/zip_reader.rb', line 40

def entries_size
  cnt = 0

  self.each { |_| cnt +=1 }

  cnt
end

#entry_exist?(entry_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/zip_dsl/zip_reader.rb', line 25

def entry_exist? entry_name
  found = false

  self.each do |entry|
    if (entry.name == "./#{entry_name}") ||
         (entry.name == entry_name) ||
           !!(entry.name =~   /^#{entry_name}/)
      found = true
      break
    end
  end

  found
end

#list(dir = ".") ⇒ Object 



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# File 'lib/zip_dsl/zip_reader.rb', line 48

def list dir="."
  entries = []

  self.each do |entry|
    if entry.name =~ /#{dir}/
      name = (entry.name[0..1] == './') ? entry.name[2..-1] : entry.name

      entries << name
    end
  end

  entries
end