Class: Ruflet::WireCodec::ByteReader

Inherits:
Object
  • Object
show all
Defined in:
lib/ruflet/server/wire_codec.rb

Instance Method Summary collapse

Constructor Details

#initialize(bytes) ⇒ ByteReader

Returns a new instance of ByteReader.



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# File 'lib/ruflet/server/wire_codec.rb', line 187

def initialize(bytes)
  @data = bytes.to_s.b
  @offset = 0
end

Instance Method Details

#read_binary(size) ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 248

def read_binary(size)
  read_exact(size)
end

#read_exact(size) ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 200

def read_exact(size)
  chunk = @data.byteslice(@offset, size)
  raise "Unexpected EOF" if chunk.nil? || chunk.bytesize != size

  @offset += size
  chunk
end

#read_f32 ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 236

def read_f32
  read_exact(4).unpack1("g")
end

#read_f64 ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 240

def read_f64
  read_exact(8).unpack1("G")
end

#read_i16 ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 224

def read_i16
  read_exact(2).unpack1("s>")
end

#read_i32 ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 228

def read_i32
  read_exact(4).unpack1("l>")
end

#read_i64 ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 232

def read_i64
  read_exact(8).unpack1("q>")
end

#read_i8 ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 220

def read_i8
  read_exact(1).unpack1("c")
end

#read_string(size) ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 244

def read_string(size)
  read_exact(size).force_encoding("UTF-8")
end

#read_u16 ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 208

def read_u16
  read_exact(2).unpack1("n")
end

#read_u32 ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 212

def read_u32
  read_exact(4).unpack1("N")
end

#read_u64 ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 216

def read_u64
  read_exact(8).unpack1("Q>")
end

#read_u8 ⇒ Object 



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# File 'lib/ruflet/server/wire_codec.rb', line 192

def read_u8
  value = @data.getbyte(@offset)
  raise "Unexpected EOF" if value.nil?

  @offset += 1
  value
end