Class: Metanorma::Standoc::NumberInlineMacro

Inherits:
Asciidoctor::Extensions::InlineMacroProcessor
  • Object
show all
Includes:
Utils
Defined in:
lib/metanorma/standoc/macros_inline.rb

Constant Summary collapse

MATHML_NS = 
"http://www.w3.org/1998/Math/MathML".freeze

Constants included from Utils

Utils::SUBCLAUSE_XPATH

Instance Method Summary collapse

Methods included from Utils

adoc2xml, #asciimath_key, #attr_code, #convert, #csv_split, #dl_to_attrs, #dl_to_elems, #document_ns_attributes, #grkletters, #isodoc, #kv_parse, #link_unwrap, #noko, #quoted_csv_split, #refid?, #term_expr, #to_xml, #wrap_in_para, #xml_encode

Instance Method Details

#format(attrs, number) ⇒ Object 



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# File 'lib/metanorma/standoc/macros_inline.rb', line 163

def format(attrs, number)
  # a="," => "a=,"
  out = quoted_csv_split(attrs || "", ",").map do |x|
    m = /^(.+?)=(.+)?$/.match(HTMLEntities.new.decode(x)) or next
    "#{m[1]}='#{m[2]}'"
  end
  /^\+/.match?(number.strip) and out << "number_sign='plus'"
  out.join(",")
end

#number(text) ⇒ Object 



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# File 'lib/metanorma/standoc/macros_inline.rb', line 173

def number(text)
  n = BigDecimal(text)
  trailing_zeroes = 0
  m = /\.[1-9]*(0+)/.match(text) and trailing_zeroes += m[1].size
  n.to_s("E").sub("e", "0" * trailing_zeroes + "e") # rubocop:disable Style/StringConcatenation
end

#process(parent, target, attrs) ⇒ Object 



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# File 'lib/metanorma/standoc/macros_inline.rb', line 180

def process(parent, target, attrs)
  out = Asciidoctor::Inline.new(parent, :quoted, attrs["text"]).convert
  fmt = format(out, target)
  fmt.empty? and fmt = "default"
  fmt = %( number-format="#{fmt}")
  <<~OUTPUT
    <stem type="MathML"#{fmt}><math xmlns='#{MATHML_NS}'><mn>#{number(target)}</mn></math></stem>
  OUTPUT
end

#unquote(str) ⇒ Object 



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# File 'lib/metanorma/standoc/macros_inline.rb', line 159

def unquote(str)
  str.sub(/^(["'])(.+)\1$/, "\\2")
end