Class: Plurimath::Asciimath::Utility

Inherits:
Utility
  • Object
show all
Defined in:
lib/plurimath/asciimath/utility.rb

Overview

AsciiMath-specific helpers extracted from Plurimath::Utility (code-quality refactor). Subclasses Utility so bareword Utility.<generic> calls inside AsciiMath files keep resolving here and inherit the generic helpers.

Class Method Summary collapse

Class Method Details

.asciimath_symbol_object(value, lang: :asciimath) ⇒ Object 



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# File 'lib/plurimath/asciimath/utility.rb', line 39

def asciimath_symbol_object(value, lang: :asciimath)
  return if value.nil?

  symbols = symbols_hash(lang)
  return symbols[value&.to_s].new if symbols.key?(value&.to_s)

  symbol_object(value&.to_s, lang: lang)
end

.frac_values(object) ⇒ Object 



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# File 'lib/plurimath/asciimath/utility.rb', line 30

def frac_values(object)
  case object
  when Math::Formula
    object.value.any? { |d| symbol_value(d, ",") }
  when Array
    object.any? { |d| symbol_value(d, ",") }
  end
end

.td_value(td_object) ⇒ Object 



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# File 'lib/plurimath/asciimath/utility.rb', line 21

def td_value(td_object)
  str_classes = [String, Parslet::Slice]
  if str_classes.include?(td_object.class) && td_object.to_s.empty?
    return Math::Function::Text.new(nil)
  end

  td_object
end

.td_values(objects, slicer) ⇒ Object 



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# File 'lib/plurimath/asciimath/utility.rb', line 10

def td_values(objects, slicer)
  sliced = objects.slice_when { |object, _| symbol_value(object, slicer) }
  tds = sliced.map do |slice|
    Math::Function::Td.new(
      slice.delete_if { |d| symbol_value(d, slicer) }.compact,
    )
  end
  tds << Math::Function::Td.new([]) if symbol_value(objects.last, slicer)
  tds
end