# 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 start_of_sentence(node)
self.class.start_of_sentence(node)
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.compact.transform_values do |v|
v.is_a?(String) ? HTMLEntities.new.decode(v) : v
end
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 numeric_escapes(xml)
c = HTMLEntities.new
xml.split(/(&[^ \r\n\t#;]+;)/).map do |t|
if /^(&[^ \t\r\n#;]+;)/.match?(t)
c.encode(c.decode(t), :hexadecimal)
else t
end
end.join
end
def to_xhtml_prep(xml)
xml.gsub!(/<\?xml[^>]*>/, "")
/}, " ")
.gsub(%r{]+)?>}, "")
.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
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)/(?[^;]+);(charset=[^;]+;)?base64,(?.+)$} =~ uri
imgtype = "emf" if emf?("#{imgclass}/#{imgtype}")
imgtype = imgtype.sub(/\+[a-z0-9]+$/, "") # svg+xml
imgtype = "png" unless /^[a-z0-9]+$/.match? imgtype
Tempfile.open(["image", ".#{imgtype}"]) do |f|
f.binmode
f.write(Base64.strict_decode64(imgdata))
@tempfile_cache << f # persist to the end
f.path
end
end
def image_localfile(img)
case img["src"]
when /^data:/
save_dataimage(img["src"], false)
when %r{^([A-Z]:)?/}
img["src"]
else
File.join(@localdir, img["src"])
end
end
def labelled_ancestor(node)
!node.ancestors("example, requirement, recommendation, permission, "\
"note, table, figure, sourcecode").empty?
end
def emf?(type)
%w(application/emf application/x-emf image/x-emf image/x-mgx-emf
application/x-msmetafile image/x-xbitmap).include? type
end
def eps?(type)
%w(application/postscript image/x-eps).include? type
end
def cleanup_entities(text, is_xml: true)
c = HTMLEntities.new
if is_xml
text.split(/([<>])/).each_slice(4).map do |a|
a[0] = c.encode(c.decode(a[0]), :hexadecimal)
a
end.join
else
c.encode(c.decode(text), :hexadecimal)
end
end
def external_path(path)
win = !!((RUBY_PLATFORM =~ /(win|w)(32|64)$/) ||
(RUBY_PLATFORM =~ /mswin|mingw/))
if win
path.gsub!(%{/}, "\\")
path[/\s/] ? "\"#{path}\"" : path
else
path
end
end
end
end
end