# frozen_string_literal: true
module IsoDoc
module Function
module Utils
def date_range(date)
self.class.date_range(date)
end
def ns(xpath)
self.class.ns(xpath)
end
def insert_tab(out, count)
tab = %w(Hans Hant).include?(@script) ? " " : " "
[1..count].each { out << tab }
end
# add namespaces for Word fragments
NOKOHEAD = <<~HERE
HERE
# block for processing XML document fragments as XHTML,
# to allow for HTMLentities
def noko(&block)
doc = ::Nokogiri::XML.parse(NOKOHEAD)
fragment = doc.fragment("")
::Nokogiri::XML::Builder.with fragment, &block
fragment.to_xml(encoding: "US-ASCII").lines.map do |l|
l.gsub(/\s*\n/, "")
end
end
def attr_code(attributes)
attributes = attributes.reject { |_, val| val.nil? }.map
attributes.map do |k, v|
[k, v.is_a?(String) ? HTMLEntities.new.decode(v) : v]
end.to_h
end
DOCTYPE_HDR = "'
def to_xhtml(xml)
xml = to_xhtml_prep(xml)
begin
Nokogiri::XML.parse(xml, &:strict)
rescue Nokogiri::XML::SyntaxError => e
File.open("#{@filename}.#{@format}.err", "w:UTF-8") do |f|
f.write xml
end
abort "Malformed Output XML for #{@format}: #{e} "\
"(see #{@filename}.#{@format}.err)"
end
end
def to_xhtml_prep(xml)
xml.gsub!(/<\?xml[^>]*>/, "")
/}, " ")
.gsub(/<\/?h[123456][^>]*>/, "").gsub(/<\/?b[^>]*>/, "").dup)
h1.traverse do |x|
if x.name == "span" && /mso-tab-count/.match(x["style"])
x.replace(" ")
elsif header_strip_elem?(x) then x.remove
elsif x.name == "a" then x.replace(x.children)
end
end
from_xhtml(h1)
end
def header_strip_elem?(elem)
elem.name == "img" ||
elem.name == "span" && elem["class"] == "MsoCommentReference" ||
elem.name == "a" && elem["class"] == "FootnoteRef" ||
elem.name == "span" && /mso-bookmark/.match(elem["style"])
end
=begin
def liquid(doc)
self.class.liquid(doc)
end
=end
def liquid(doc)
# unescape HTML escapes in doc
doc = doc.split(%r<(\{%|%\})>).each_slice(4).map do |a|
a[2] = a[2].gsub(/</, "<").gsub(/>/, ">") if a.size > 2
a.join("")
end.join("")
Liquid::Template.parse(doc)
end
def empty2nil(str)
return nil if !str.nil? && str.is_a?(String) && str.empty?
str
end
def populate_template(docxml, _format = nil)
meta = @meta
.get
.merge(@labels ? { labels: @labels } : {})
.merge(@meta.labels ? { labels: @meta.labels } : {})
.merge(fonts_options || {})
template = liquid(docxml)
template.render(meta.map { |k, v| [k.to_s, empty2nil(v)] }.to_h)
.gsub("<", "<").gsub(">", ">").gsub("&", "&")
end
def save_dataimage(uri, _relative_dir = true)
%r{^data:(image|application)/(?[^;]+);base64,(?.+)$} =~ uri
imgtype.sub!(/\+[a-z0-9]+$/, "") # svg+xml
imgtype = "png" unless /^[a-z0-9]+$/.match? imgtype
Tempfile.open(["image", ".#{imgtype}"]) do |f|
f.binmode
f.write(Base64.strict_decode64(imgdata))
@tempfile_cache << f # persist to the end
f.path
end
end
def image_localfile(img)
if /^data:/.match? img["src"]
save_dataimage(img["src"], false)
elsif %r{^([A-Z]:)?/}.match? img["src"]
img["src"]
else
File.join(@localdir, img["src"])
end
end
def labelled_ancestor(node)
!node.ancestors("example, requirement, recommendation, permission, "\
"note, table, figure, sourcecode").empty?
end
end
end
end