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# frozen_string_literal: false
require "test/unit"
require "rexml/parsers/ultralightparser"
module REXMLTests
class TestUltraLightParser < Test::Unit::TestCase
class TestDocumentTypeDeclaration < self
def test_entity_declaration
assert_equal([
[
:start_doctype,
:parent,
"root",
"SYSTEM",
"urn:x-test",
nil,
[:entitydecl, "name", "value"]
],
[:text, "\n"],
[:start_element, :parent, "root", {}],
[:text, "\n"],
],
parse(<<-INTERNAL_SUBSET))
<!ENTITY name "value">
INTERNAL_SUBSET
end
private
def xml(internal_subset)
<<-XML
<!DOCTYPE root SYSTEM "urn:x-test" [
#{internal_subset}
]>
<root/>
XML
end
def parse(internal_subset)
parser = REXML::Parsers::UltraLightParser.new(xml(internal_subset))
normalize(parser.parse)
end
def normalize(root)
root.collect do |child|
normalize_child(child)
end
end
def normalize_child(child)
tag = child.first
case tag
when :start_doctype
normalized_parent = :parent
normalized_doctype = child.dup
normalized_doctype[1] = normalized_parent
normalized_doctype
when :start_element
tag, parent, name, attributes, *children = child
normalized_parent = :parent
normalized_children = children.collect do |sub_child|
normalize_child(sub_child)
end
[tag, normalized_parent, name, attributes, *normalized_children]
else
child
end
end
end
end
end
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