class Puma::NullIO
Provides an IO-like object that always appears to contain no data. Used as the value for rack.input when the request has no body.
Public Instance Methods
binmode()
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# File lib/puma/null_io.rb, line 93 def binmode self end
binmode?()
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# File lib/puma/null_io.rb, line 97 def binmode? true end
close()
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# File lib/puma/null_io.rb, line 51 def close end
closed?()
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This is used as singleton class, so can't have state.
# File lib/puma/null_io.rb, line 80 def closed? false end
each()
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# File lib/puma/null_io.rb, line 16 def each end
eof?()
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# File lib/puma/null_io.rb, line 58 def eof? true end
external_encoding()
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per rack spec
# File lib/puma/null_io.rb, line 89 def external_encoding Encoding::ASCII_8BIT end
flush()
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# File lib/puma/null_io.rb, line 75 def flush self end
gets()
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# File lib/puma/null_io.rb, line 8 def gets nil end
pos()
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# File lib/puma/null_io.rb, line 19 def pos 0 end
puts(*ary)
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# File lib/puma/null_io.rb, line 69 def puts(*ary) end
read(length = nil, buffer = nil)
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Mimics IO#read with no data.
# File lib/puma/null_io.rb, line 25 def read(length = nil, buffer = nil) if length.to_i < 0 raise ArgumentError, "(negative length #{length} given)" end buffer = if buffer.nil? "".b else String.try_convert(buffer) or raise TypeError, "no implicit conversion of #{buffer.class} into String" end buffer.clear if length.to_i > 0 nil else buffer end end
rewind()
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# File lib/puma/null_io.rb, line 43 def rewind end
seek(pos, whence = 0)
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# File lib/puma/null_io.rb, line 46 def seek(pos, whence = 0) raise ArgumentError, "negative length #{pos} given" if pos.negative? 0 end
set_encoding(enc)
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# File lib/puma/null_io.rb, line 84 def set_encoding(enc) self end
size()
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# File lib/puma/null_io.rb, line 54 def size 0 end
string()
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# File lib/puma/null_io.rb, line 12 def string "" end
sync()
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# File lib/puma/null_io.rb, line 62 def sync true end
sync=(v)
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# File lib/puma/null_io.rb, line 66 def sync=(v) end
write(*ary)
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# File lib/puma/null_io.rb, line 72 def write(*ary) end