Class: Plurimath::XmlHelper

Inherits:
Object
  • Object
show all
Defined in:
lib/plurimath/xml_helper.rb

Overview

XML element builders shared across every serializer (MathML and OMML), extracted from Plurimath::Utility (macro refactor). Sits alongside the Plurimath.xml_engine backend abstraction these methods build on.

Class Method Summary collapse

Class Method Details

.ox_element(node, attributes: [], namespace: "") ⇒ Object 



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# File 'lib/plurimath/xml_helper.rb', line 9

def ox_element(node, attributes: [], namespace: "")
  namespace = "#{namespace}:" unless namespace.empty?

  element = Plurimath.xml_engine.new_element("#{namespace}#{node}")
  element.set_attr(attributes)
  element
end

.pr_element(main_tag, wi_tag = false, namespace: "") ⇒ Object 



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# File 'lib/plurimath/xml_helper.rb', line 38

def pr_element(main_tag, wi_tag = false, namespace: "")
  tag_name = "#{main_tag}Pr"
  ox_element(
    tag_name,
    namespace: namespace,
  ) << rpr_element(wi_tag: wi_tag)
end

.rpr_element(wi_tag: false) ⇒ Object 



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# File 'lib/plurimath/xml_helper.rb', line 17

def rpr_element(wi_tag: false)
  rpr_element = ox_element("rPr", namespace: "w")
  attributes = { "w:ascii": "Cambria Math", "w:hAnsi": "Cambria Math" }
  rpr_element << ox_element(
    "rFonts",
    namespace: "w",
    attributes: attributes,
  )
  rpr_element << ox_element("i", namespace: "w") if wi_tag
  rpr_element
end

.update_nodes(element, nodes) ⇒ Object 



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# File 'lib/plurimath/xml_helper.rb', line 29

def update_nodes(element, nodes)
  nodes&.each do |node|
    next update_nodes(element, node) if node.is_a?(Array)

    element << node unless node.nil?
  end
  element
end