Class: FileSystem::FileAdapter

Inherits:
Object
  • Object
show all
Extended by:
Adapter
Defined in:
lib/filesystem.rb

Overview

:nodoc:

Class Method Summary collapse

Methods included from Adapter

get_node, method_missing, respond_to?

Class Method Details

.chmod(perms, *filenames) ⇒ Object 



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

def self.chmod( perms, *filenames )
	get_node( filenames.first ).permissions = perms
end

.exist?(filename) ⇒ Boolean Also known as: exists?

Returns:

  • (Boolean) 


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# File 'lib/filesystem.rb', line 115

def exist?( filename )
	begin
		get_node( filename )
		true
	rescue Errno::ENOENT
		false
	end
end

.open(fd, mode_string = File::RDONLY, &action) ⇒ Object 



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# File 'lib/filesystem.rb', line 127

def self.open( fd, mode_string = File::RDONLY, &action )
	if mode_string.class == String
		if mode_string == 'w'
			mode_string = File::WRONLY
		end
	end
	if mode_string == File::RDONLY
		node = get_node( fd )
		if node && node.permissions && node.permissions[0] == 0
			raise Errno::EACCES
		end
		result = action.call( node )
		node.rewind
		result
	else
		path = Path.new( fd ).absolute
		dir = get_node( path.parent )
		if ( mode_string & File::APPEND > 0 )
			mock_file = get_node( fd )
		else
			mock_file = MockFileSystem::MockFile.new( dir, path.node, '' )
		end
		if ( mode_string & File::APPEND == File::APPEND )
			mock_file.pos = mock_file.size
		end
		action.call( mock_file )
		mock_file.rewind
		if ( mode_string & File::APPEND == 0 )
			dir[path.node] = mock_file
		end
	end
end