Class: Attache::FileResponseBody

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

Instance Method Summary collapse

Constructor Details

#initialize(file, range_start = nil, range_end = nil) ⇒ FileResponseBody

Returns a new instance of FileResponseBody.



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# File 'lib/attache/file_response_body.rb', line 2

def initialize(file, range_start = nil, range_end = nil)
  @file        = file
  @range_start = range_start || 0
  @range_end   = range_end || File.size(@file.path)
end

Instance Method Details

#each ⇒ Object

adapted from rack/file.rb



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# File 'lib/attache/file_response_body.rb', line 9

def each
  @file.seek(@range_start)
  remaining_len = @range_end
  while remaining_len > 0
    part = @file.read([8192, remaining_len].min)
    break unless part
    remaining_len -= part.length

    yield part
  end
end