Class: Bones::RPC::Parser::Buffer

Inherits:
Object
  • Object
show all
Defined in:
lib/bones/rpc/parser/buffer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Buffer

Returns a new instance of Buffer.



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# File 'lib/bones/rpc/parser/buffer.rb', line 9

def initialize(data)
  @io = StringIO.new(data)
end

Instance Attribute Details

#io ⇒ Object (readonly)

Returns the value of attribute io.



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# File 'lib/bones/rpc/parser/buffer.rb', line 7

def io
  @io
end

Instance Method Details

#getc ⇒ Object 



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# File 'lib/bones/rpc/parser/buffer.rb', line 13

def getc
  io.getc
end

#pos ⇒ Object 



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# File 'lib/bones/rpc/parser/buffer.rb', line 17

def pos
  io.pos
end

#read(n) ⇒ Object 



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# File 'lib/bones/rpc/parser/buffer.rb', line 21

def read(n)
  i = pos
  data = io.read(n)
  if data.bytesize < n
    seek(i)
    raise EOFError
  else
    data
  end
end

#rewind ⇒ Object 



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# File 'lib/bones/rpc/parser/buffer.rb', line 32

def rewind
  io.rewind
end

#seek(pos) ⇒ Object 



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# File 'lib/bones/rpc/parser/buffer.rb', line 36

def seek(pos)
  io.seek(pos)
end

#size ⇒ Object 



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# File 'lib/bones/rpc/parser/buffer.rb', line 40

def size
  io.size
end

#skip(n) ⇒ Object 



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# File 'lib/bones/rpc/parser/buffer.rb', line 44

def skip(n)
  seek(pos + n)
end

#sync(*others) ⇒ Object 



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# File 'lib/bones/rpc/parser/buffer.rb', line 48

def sync(*others)
  yield
ensure
  others.each { |other| other.seek(pos) }
end

#to_str ⇒ Object 



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# File 'lib/bones/rpc/parser/buffer.rb', line 54

def to_str
  i = pos
  begin
    io.read || ""
  ensure
    seek(i)
  end
end

#transaction ⇒ Object 



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# File 'lib/bones/rpc/parser/buffer.rb', line 63

def transaction
  i = pos
  begin
    yield
  rescue EOFError => e
    seek(i)
    raise e
  end
end

#ungetc(c) ⇒ Object 



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# File 'lib/bones/rpc/parser/buffer.rb', line 73

def ungetc(c)
  io.ungetc(c)
end