Class: OpenDal::IO

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

Instance Method Summary collapse

Instance Method Details

#eof ⇒ Boolean Also known as: eof?

Checks if the stream is at the end of the file.

Returns:

  • (Boolean) 


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# File 'lib/opendal_ruby/io.rb', line 52

def eof
  position = tell
  seek(0, ::IO::SEEK_END)
  tell == position
end

#length ⇒ Integer Also known as: size

Returns the total length of the stream.

Returns:

  • (Integer) 


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# File 'lib/opendal_ruby/io.rb', line 62

def length
  current_position = tell
  seek(0, ::IO::SEEK_END)
  tell.tap { self.pos = current_position }
end

#pos=(new_position) ⇒ Object

Sets the file position to new_position.

Parameters:

  • new_position (Integer) 


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# File 'lib/opendal_ruby/io.rb', line 44

def pos=(new_position)
  seek(new_position, ::IO::SEEK_SET)
end

#readlines ⇒ Array<String>

Reads all lines from the stream into an array.

Returns:

  • (Array<String>)

Raises:

  • (EOFError) —

    when the end of the file is reached.



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# File 'lib/opendal_ruby/io.rb', line 25

def readlines
  results = []

  loop do
    results << readline
  rescue EOFError
    break
  end

  results
end

#rewind ⇒ Object

Rewinds the stream to the beginning.



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# File 'lib/opendal_ruby/io.rb', line 38

def rewind
  seek(0, ::IO::SEEK_SET)
end