Class: Web3::Eth::Abi::Tuple

Inherits:
Type
  • Object
show all
Defined in:
lib/web3/eth/abi/type.rb

Instance Attribute Summary collapse

Attributes inherited from Type

#base, #dims, #sub

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Type

#dynamic?, size_type

Constructor Details

#initialize(types, dims) ⇒ Tuple

Returns a new instance of Tuple.



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# File 'lib/web3/eth/abi/type.rb', line 160

def initialize types, dims
  super('tuple', '', dims)
  @types = types
  @parsed_types = types.map{|t| Type.parse t}
end

Instance Attribute Details

#parsed_types ⇒ Object (readonly)

Returns the value of attribute parsed_types.



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# File 'lib/web3/eth/abi/type.rb', line 159

def parsed_types
  @parsed_types
end

#types ⇒ Object (readonly)

Returns the value of attribute types.



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# File 'lib/web3/eth/abi/type.rb', line 159

def types
  @types
end

Class Method Details

.parse(types, dims) ⇒ Object 



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# File 'lib/web3/eth/abi/type.rb', line 127

def self.parse types, dims

  depth = 0
  collected = []
  current = ''

  types.split('').each do |c|
    case c
      when ',' then
        if depth==0
          collected << current
          current = ''
        else
          current += c
        end
      when '(' then
        depth += 1
        current += c
      when ')' then
        depth -= 1
        current += c
      else
        current += c
    end

  end
  collected << current unless current.empty?

  Tuple.new collected, dims.map {|x| x[1...-1].to_i}

end

Instance Method Details

#==(another_type) ⇒ Object 



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# File 'lib/web3/eth/abi/type.rb', line 166

def ==(another_type)
  another_type.kind_of?(Tuple) &&
      another_type.types == types &&
      another_type.dims == dims
end

#calculate_size ⇒ Object 



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# File 'lib/web3/eth/abi/type.rb', line 176

def calculate_size
  if dims.empty?
    s = 0
    parsed_types.each do |type|
      ts = type.size
      return nil if ts.nil?
      s += ts
    end
    s
  else
    if dims.last == 0 # 0 for dynamic array []
      nil
    else
      subtype.dynamic? ? nil : dims.last * subtype.size
    end
  end


end

#size ⇒ Object 



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# File 'lib/web3/eth/abi/type.rb', line 172

def size
  @size ||= calculate_size
end

#subtype ⇒ Object 



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# File 'lib/web3/eth/abi/type.rb', line 196

def subtype
  @subtype ||= Tuple.new(types, dims[0...-1])
end