Class: Ole::Storage::DirClass::Dir

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/ole/storage/file_system.rb

Overview

note that there is nothing remotely ole specific about this class. it simply provides the dir like sequential access methods on top of an array.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Enumerable

#group_by, #sum

Constructor Details

#initialize(path, entries) ⇒ Dir

Returns a new instance of Dir.



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# File 'lib/ole/storage/file_system.rb', line 354

def initialize path, entries
	@path, @entries, @pos = path, entries, 0
	@closed = false
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/ole/storage/file_system.rb', line 353

def path
  @path
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/ole/storage/file_system.rb', line 369

def close
	@closed = true
end

#each(&block) ⇒ Object

Raises:

  • (IOError) 


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# File 'lib/ole/storage/file_system.rb', line 364

def each(&block)
	raise IOError if @closed
	@entries.each(&block)
end

#pos ⇒ Object Also known as: tell

Raises:

  • (IOError) 


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# File 'lib/ole/storage/file_system.rb', line 359

def pos
	raise IOError if @closed
	@pos
end

#pos=(pos) ⇒ Object Also known as: seek

Raises:

  • (IOError) 


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# File 'lib/ole/storage/file_system.rb', line 380

def pos= pos
	raise IOError if @closed
	@pos = [[0, pos].max, @entries.length].min
end

#read ⇒ Object 



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# File 'lib/ole/storage/file_system.rb', line 373

def read
	raise IOError if @closed
	@entries[pos]
ensure
	@pos += 1 if pos < @entries.length
end

#rewind ⇒ Object 



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# File 'lib/ole/storage/file_system.rb', line 387

def rewind
	seek 0
end