Module: RubyRunJs::JsGlobalMethods

Extended by:
Helper
Defined in:
lib/ruby_run_js/object_methods/js_global.rb

Constant Summary collapse

RADIX_CHARS = 
{
  '1'=> 1,
  '0'=> 0,
  '3'=> 3,
  '2'=> 2,
  '5'=> 5,
  '4'=> 4,
  '7'=> 7,
  '6'=> 6,
  '9'=> 9,
  '8'=> 8,
  'a'=> 10,
  'c'=> 12,
  'b'=> 11,
  'e'=> 14,
  'd'=> 13,
  'g'=> 16,
  'f'=> 15,
  'i'=> 18,
  'h'=> 17,
  'k'=> 20,
  'j'=> 19,
  'm'=> 22,
  'l'=> 21,
  'o'=> 24,
  'n'=> 23,
  'q'=> 26,
  'p'=> 25,
  's'=> 28,
  'r'=> 27,
  'u'=> 30,
  't'=> 29,
  'w'=> 32,
  'v'=> 31,
  'y'=> 34,
  'x'=> 33,
  'z'=> 35,
  'A'=> 10,
  'C'=> 12,
  'B'=> 11,
  'E'=> 14,
  'D'=> 13,
  'G'=> 16,
  'F'=> 15,
  'I'=> 18,
  'H'=> 17,
  'K'=> 20,
  'J'=> 19,
  'M'=> 22,
  'L'=> 21,
  'O'=> 24,
  'N'=> 23,
  'Q'=> 26,
  'P'=> 25,
  'S'=> 28,
  'R'=> 27,
  'U'=> 30,
  'T'=> 29,
  'W'=> 32,
  'V'=> 31,
  'Y'=> 34,
  'X'=> 33,
  'Z'=> 35
}.freeze

Class Method Summary collapse

Methods included from Helper

check_object, get_member, get_member_dot, is_accessor_descriptor, is_callable, is_data_descriptor, is_generic_descriptor, is_primitive, make_error, strict_equality

Methods included from ConversionHelper

#convert_to_js_type, #to_boolean, #to_int32, #to_integer, #to_number, #to_object, #to_primitive, #to_string, #to_uint16, #to_uint32

Class Method Details

.constructor_decodeURI(builtin, this, str) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_global.rb', line 170

def constructor_decodeURI(builtin, this, str)
  str
end

.constructor_decodeURIComponent(builtin, this, str) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_global.rb', line 178

def constructor_decodeURIComponent(builtin, this, str)
  str
end

.constructor_encodeURI(builtin, this, str) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_global.rb', line 166

def constructor_encodeURI(builtin, this, str)
  str
end

.constructor_encodeURIComponent(builtin, this, str) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_global.rb', line 174

def constructor_encodeURIComponent(builtin, this, str)
  str
end

.constructor_eval(builtin, this, x) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_global.rb', line 83

def constructor_eval(builtin, this, x)
  # Todo
  raise make_error('TypeError', 'eval is not currently supported')
end

.constructor_isFinite(builtin, this, number) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_global.rb', line 162

def constructor_isFinite(builtin, this, number)
  to_number(number).finite?
end

.constructor_isNaN(builtin, this, number) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_global.rb', line 158

def constructor_isNaN(builtin, this, number)
  to_number(number).nan?
end

.constructor_parseFloat(builtin, this, string) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_global.rb', line 132

def constructor_parseFloat(builtin, this, string)
  input_string = to_string(string)
  sign = 1
  if input_string.length > 0 && input_string[0] == '-'
    sign = -1
  end
  if input_string.length > 0 && (input_string[0] == '+' || input_string[0] == '-')
    input_string = input_string[1..]
  end
  num = nil
  if input_string.start_with?('Infinity')
    num = Float::INFINITY
  else
    match_data = /^\d+\.\d*([eE][+-]?\d+)?/.match(input_string) ||
                /^\.\d+([eE][+-]?\d+)?/.match(input_string) ||
                /^\d+([eE][+-]?\d+)?/.match(input_string)
    if match_data
      num = match_data[0].to_f
    end
  end
  if num.nil?
    return Float::NAN
  end
  return num * sign
end

.constructor_parseInt(builtin, this, string, radix) ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_global.rb', line 89

def constructor_parseInt(builtin, this, string, radix)
  input_string = to_string(string).lstrip
  sign = 1
  if input_string.length > 0 && input_string[0] == '-'
    sign = -1
  end
  if input_string.length > 0 && (input_string[0] == '+' || input_string[0] == '-')
    input_string = input_string[1..]
  end
  radix = to_int32(radix)
  strip_prefix = true
  if radix != 0
    if radix < 2 || radix > 36
      return Float::NAN
    end
    if radix != 16
      strip_prefix = false
    end
  else
    radix = 10
  end
  if strip_prefix
    if input_string.length >= 2 && (input_string[0..1] == '0x' || input_string[0..1] == '0X')
      input_string = input_string[2..]
      radix = 16
    end
  end
  n = 0
  num = 0
  while n < input_string.length
    cand = RADIX_CHARS[input_string[n]]
    if cand.nil? || cand >= radix
      break
    end
    num = cand + num * radix
    n += 1
  end
  if n == 0
    return Float::NAN
  end
  (sign * num).to_f
end

.property_values ⇒ Object 



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# File 'lib/ruby_run_js/object_methods/js_global.rb', line 75

def property_values
  {
    'NaN' => Float::NAN,
    'Infinity' => Float::INFINITY,
    'undefined' => undefined
  }
end