Class: Warchat::Network::BinaryWriter

Inherits:
Object
  • Object
show all
Defined in:
lib/warchat/network/binary_writer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stream) ⇒ BinaryWriter

Returns a new instance of BinaryWriter.



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# File 'lib/warchat/network/binary_writer.rb', line 7

def initialize stream
  @stream = stream
end

Instance Attribute Details

#stream ⇒ Object (readonly)

Returns the value of attribute stream.



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# File 'lib/warchat/network/binary_writer.rb', line 5

def stream
  @stream
end

Instance Method Details

#byte(obj) ⇒ Object 



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# File 'lib/warchat/network/binary_writer.rb', line 76

def byte obj
  obj = (obj.is_a? Integer and [obj].pack('C') or obj.to_s[0..0])
  @stream.print obj
end

#bytes(obj) ⇒ Object 



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# File 'lib/warchat/network/binary_writer.rb', line 81

def bytes obj
  @stream.print obj.to_s
end

#string(obj) ⇒ Object 



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# File 'lib/warchat/network/binary_writer.rb', line 70

def string obj
  obj = obj.to_s
  int_32 obj.length
  @stream.print obj
end

#write(obj) ⇒ Object 



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# File 'lib/warchat/network/binary_writer.rb', line 11

def write obj
  m = (obj.class.ancestors.map do |c| 
    "write_#{File.basename c.name.underscore}".to_sym 
  end.find(&method(:respond_to?)) or :write_string)
  send(m,obj)
end

#write_array(obj) ⇒ Object 



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# File 'lib/warchat/network/binary_writer.rb', line 42

def write_array obj
  byte 2
  int_32 obj.size
  obj.each do |v|
    write(v)
  end
end

#write_bool(obj) ⇒ Object Also known as: write_true_class, write_false_class 



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# File 'lib/warchat/network/binary_writer.rb', line 56

def write_bool obj
  byte 6
  byte(obj ? 1 : 0)
end

#write_byte_string(obj) ⇒ Object 



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# File 'lib/warchat/network/binary_writer.rb', line 50

def write_byte_string obj
  byte 4
  int_32 obj.length
  bytes obj
end

#write_hash(obj) ⇒ Object 



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# File 'lib/warchat/network/binary_writer.rb', line 33

def write_hash obj
  byte 1
  int_32 obj.size
  obj.each do |k,v|
    string(k.to_s)
    write(v)
  end
end

#write_integer(obj) ⇒ Object 



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# File 'lib/warchat/network/binary_writer.rb', line 23

def write_integer obj
  if obj < 2**32
    byte 3
    int_32 obj
  else
    byte 7
    int_64 obj 
  end
end

#write_string(obj) ⇒ Object 



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# File 'lib/warchat/network/binary_writer.rb', line 18

def write_string obj
  byte 5
  string obj.to_s
end