Class: VCDOM::XPath::Internal::BooleanValue

Inherits:
AbstractValue show all
Defined in:
lib/vcdom/xpath/internal/value.rb

Overview

:nodoc:

Constant Summary collapse

TRUE = 
self.new( true )
FALSE = 
self.new( false )

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from AbstractValue

#%, #*, #+, #-, #-@, #/, #<, #<=, #<=>, #==, #>, #>=, #is_command?, #is_expr?, #is_value?, #neq?, #to_s, #|

Constructor Details

#initialize(val) ⇒ BooleanValue

Returns a new instance of BooleanValue.



174
175
176
 
# File 'lib/vcdom/xpath/internal/value.rb', line 174

def initialize( val )
  @value = !! val
end

Instance Attribute Details

#value ⇒ Object (readonly)

Returns the value of attribute value.



193
194
195
 
# File 'lib/vcdom/xpath/internal/value.rb', line 193

def value
  @value
end

Class Method Details

.false ⇒ Object 



199
 
# File 'lib/vcdom/xpath/internal/value.rb', line 199

def self.false; FALSE end

.true ⇒ Object 



198
 
# File 'lib/vcdom/xpath/internal/value.rb', line 198

def self.true;  TRUE  end

Instance Method Details

#to_boolean_value ⇒ Object 



189
190
191
 
# File 'lib/vcdom/xpath/internal/value.rb', line 189

def to_boolean_value()
  self
end

#to_number_value ⇒ Object

convert a BooleanValue object to a NumberValue object. オプションの空白にオプションの負号 1 個が続き, [0-9](“.” [0-9]*)? | “.” [0-9]+ が続いて空白が続いたものからなる文字列は, その文字列が表す数学的値に (IEEE 754 最近接値丸めルールに従い) 最も近い IEEE 754 数値に変換される. その他の文字列はどれも NaN に変換される.



185
186
187
 
# File 'lib/vcdom/xpath/internal/value.rb', line 185

def to_number_value()
  @value ? NumberValue.new( 1.0 ) : NumberValue.new( 0.0 )
end

#to_string_value ⇒ Object 



177
178
179
 
# File 'lib/vcdom/xpath/internal/value.rb', line 177

def to_string_value()
  @value ? StringValue.new("true") : StringValue.new("false")
end

#value_type ⇒ Object 



194
 
# File 'lib/vcdom/xpath/internal/value.rb', line 194

def value_type; :boolean end