Module: Metanorma::Standoc::Symbols

Included in:
Cleanup
Defined in:
lib/metanorma/cleanup/symbols.rb

Instance Method Summary collapse

Instance Method Details

#extract_symbols_list(dlist) ⇒ Object 



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# File 'lib/metanorma/cleanup/symbols.rb', line 19

def extract_symbols_list(dlist)
  dl_out = []
  dlist.xpath("./dt | ./dd").each do |dtd|
    if dtd.name == "dt"
      dl_out << { dt: dtd.remove, key: symbol_key(dtd) }
    else
      dl_out.last[:dd] = dtd.remove
    end
  end
  dl_out
end

#symbol_key(sym) ⇒ Object

Indices sort after letter but before any following letter (x, x_m, x_1, xa); we use colon to force that sort order. Numbers sort after letters; we use thorn to force that sort order. Capitals sort before their corresponding lowercase.



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# File 'lib/metanorma/cleanup/symbols.rb', line 10

def symbol_key(sym)
  @c.decode(asciimath_key(sym).text)
    .gsub(/[\[\]{}<>()]/, "").gsub(/\s/m, "")
    .gsub(/[[:punct:]]|[_^]/, ":\\0").delete("`")
    .gsub(/[0-9]+/, "รพ\\0")
    .tr("AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz",
        "ABCFEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")
end

#symbols_cleanup(docxml) ⇒ Object 



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# File 'lib/metanorma/cleanup/symbols.rb', line 31

def symbols_cleanup(docxml)
  docxml.xpath("//definitions/dl").each do |dl|
    dl_out = extract_symbols_list(dl)
    dl_out.sort! { |a, b| a[:key] <=> b[:key] || a[:dt] <=> b[:dt] }
    dl.children = dl_out.map { |d| d[:dt].to_s + d[:dd].to_s }.join("\n")
  end
  docxml
end