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# frozen_string_literal: true
require 'rexml/document'
require 'rexml/streamlistener'
module Aws
module Xml
class Parser
class RexmlEngine
include REXML::StreamListener
def initialize(stack)
@stack = stack
@depth = 0
end
def parse(xml)
begin
mutable_xml = xml.dup # REXML only accepts mutable string
source = REXML::Source.new(mutable_xml)
REXML::Parsers::StreamParser.new(source, self).parse
rescue REXML::ParseException => error
@stack.error(error.message)
end
end
def tag_start(name, attrs)
@depth += 1
@stack.start_element(name)
attrs.each do |attr|
@stack.attr(*attr)
end
end
def text(value)
@stack.text(value) if @depth > 0
end
def tag_end(name)
@stack.end_element
@depth -= 1
end
end
end
end
end
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