Class: Zip::ZipFileSystem::ZipFsDir

Inherits:
Object
  • Object
show all
Defined in:
lib/amp/dependencies/zip/zipfilesystem.rb

Overview

Instances of this class are normally accessed via the accessor ZipFile::dir. An instance of ZipFsDir behaves like ruby’s builtin Dir (class) object, except it works on ZipFile entries.

The individual methods are not documented due to their similarity with the methods in Dir

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(mappedZip) ⇒ ZipFsDir

Returns a new instance of ZipFsDir.



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# File 'lib/amp/dependencies/zip/zipfilesystem.rb', line 423

def initialize(mappedZip)
  @mappedZip = mappedZip
end

Instance Attribute Details

#file=(value) ⇒ Object (writeonly)

Sets the attribute file

Parameters:

  • value —

    the value to set the attribute file to.



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# File 'lib/amp/dependencies/zip/zipfilesystem.rb', line 427

def file=(value)
  @file = value
end

Instance Method Details

#chdir(aDirectoryName) ⇒ Object 



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# File 'lib/amp/dependencies/zip/zipfilesystem.rb', line 449

def chdir(aDirectoryName)
  unless @file.stat(aDirectoryName).directory?
    raise Errno::EINVAL, "Invalid argument - #{aDirectoryName}"
  end
  @mappedZip.pwd = @file.expand_path(aDirectoryName)
end

#chroot(*args) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/amp/dependencies/zip/zipfilesystem.rb', line 489

def chroot(*args)
	raise NotImplementedError, "The chroot() function is not implemented"
end

#delete(entryName) ⇒ Object Also known as: rmdir, unlink 



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# File 'lib/amp/dependencies/zip/zipfilesystem.rb', line 476

def delete(entryName)
  unless @file.stat(entryName).directory?
    raise Errno::EINVAL, "Invalid argument - #{entryName}"
  end
  @mappedZip.remove(entryName)
end

#entries(aDirectoryName) ⇒ Object 



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# File 'lib/amp/dependencies/zip/zipfilesystem.rb', line 456

def entries(aDirectoryName)
  entries = []
  foreach(aDirectoryName) { |e| entries << e }
  entries
end

#foreach(aDirectoryName) ⇒ Object 



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# File 'lib/amp/dependencies/zip/zipfilesystem.rb', line 462

def foreach(aDirectoryName)
  unless @file.stat(aDirectoryName).directory?
    raise Errno::ENOTDIR, aDirectoryName
  end
  path = @file.expand_path(aDirectoryName).ensure_end("/")

  subDirEntriesRegex = Regexp.new("^#{path}([^/]+)$")
  @mappedZip.each { 
    |fileName|
    match = subDirEntriesRegex.match(fileName)
    yield(match[1]) unless match == nil
  }
end

#mkdir(entryName, permissionInt = 0755) ⇒ Object 



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# File 'lib/amp/dependencies/zip/zipfilesystem.rb', line 485

def mkdir(entryName, permissionInt = 0755)
  @mappedZip.mkdir(entryName, permissionInt)
end

#new(aDirectoryName) ⇒ Object 



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# File 'lib/amp/dependencies/zip/zipfilesystem.rb', line 429

def new(aDirectoryName)
  ZipFsDirIterator.new(entries(aDirectoryName))
end

#open(aDirectoryName) ⇒ Object 



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# File 'lib/amp/dependencies/zip/zipfilesystem.rb', line 433

def open(aDirectoryName)
  dirIt = new(aDirectoryName)
  if block_given?
    begin
      yield(dirIt)
      return nil
    ensure
      dirIt.close
    end
  end
  dirIt
end

#pwd ⇒ Object Also known as: getwd 



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# File 'lib/amp/dependencies/zip/zipfilesystem.rb', line 446

def pwd; @mappedZip.pwd; end