Class: Arrolio::Content::Formula

Inherits:
Object
  • Object
show all
Defined in:
lib/arrolio/content/formula.rb

Overview

A formula — MathML root + rendered text fallback. Carries the math structure separately from how it's rendered (text fallback today, proper math typesetting in the future). The renderer can later use the MathML for accessible representation while the fallback provides visual rendering.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(mathml:, text_fallback:, style_id: :body) ⇒ Formula

Returns a new instance of Formula.



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# File 'lib/arrolio/content/formula.rb', line 13

def initialize(mathml:, text_fallback:, style_id: :body)
  @mathml = mathml.to_s
  @text_fallback = text_fallback.to_s
  @style_id = style_id.to_sym
  freeze
end

Instance Attribute Details

#mathml ⇒ Object (readonly)

Returns the value of attribute mathml.



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# File 'lib/arrolio/content/formula.rb', line 11

def mathml
  @mathml
end

#style_id ⇒ Object (readonly)

Returns the value of attribute style_id.



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# File 'lib/arrolio/content/formula.rb', line 11

def style_id
  @style_id
end

#text_fallback ⇒ Object (readonly)

Returns the value of attribute text_fallback.



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# File 'lib/arrolio/content/formula.rb', line 11

def text_fallback
  @text_fallback
end

Instance Method Details

#==(other) ⇒ Object Also known as: eql? 



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# File 'lib/arrolio/content/formula.rb', line 20

def ==(other)
  other.is_a?(self.class) &&
    mathml == other.mathml &&
    text_fallback == other.text_fallback &&
    style_id == other.style_id
end

#hash ⇒ Object 



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# File 'lib/arrolio/content/formula.rb', line 29

def hash
  [self.class, mathml, text_fallback, style_id].hash
end