Class: ProxyFS::FS

Inherits:
Object
  • Object
show all
Defined in:
lib/proxyfs.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tree) ⇒ FS

Returns a new instance of FS.



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# File 'lib/proxyfs.rb', line 81

def initialize tree
  @tree = tree
  iam = self

  @dir = Class.new Dir do
    @@fs = iam

    def self.fs
      @@fs
    end

    def fs
      @@fs
    end
  end

  @file = Class.new File do
    @@fs = iam

    def self.fs
      @@fs
    end

    def fs
      @@fs
    end
  end
end

Instance Attribute Details

#dir ⇒ Object (readonly)

Returns the value of attribute dir.



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# File 'lib/proxyfs.rb', line 79

def dir
  @dir
end

#file ⇒ Object (readonly)

Returns the value of attribute file.



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# File 'lib/proxyfs.rb', line 79

def file
  @file
end

Instance Method Details

#entry(path) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/proxyfs.rb', line 110

def entry path
  path = Pathname.new path

  raise ArgumentError, 'path shall be absolute' unless path.absolute?

  patha = path.each_filename.to_a

  find = Proc.new do |patha, curdir|
    name = patha[0]
    raise Errno::ENOENT unless curdir.include? name

    e = curdir[name]

    rest_patha = patha[1..(-1)]

    if rest_patha.empty?
      e
    else
      if Hash === e
        find[rest_patha, e]
      elsif Array === e
        find[rest_patha, e[0].new(*e[1..(-1)])]
      else
        find[rest_patha, e]
      end
    end
  end

  find[patha, @tree]
end