1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
# frozen_string_literal: true
require 'libxml'
module Aws
module Xml
class Parser
class LibxmlEngine
include LibXML::XML::SaxParser::Callbacks
def initialize(stack)
@stack = stack
end
def parse(xml)
parser = ::LibXML::XML::SaxParser.string(xml)
parser.callbacks = self
parser.parse
end
def on_start_element_ns(element_name, attributes, prefix = nil, uri = nil, ns = {})
# libxml-ruby does not provide a mapping from element attribute
# names to their qname prefixes. The following code line assumes
# that if a attribute ns is defined it applies to all attributes.
# This is necessary to support parsing S3 Object ACL Grantees.
# qnames are not used by any other AWS attribute. Also, new
# services are using JSON, limiting the possible blast radius
# of this patch.
attr_ns_prefix = ns.keys.first
@stack.start_element(element_name)
attributes.each do |attr_name, attr_value|
attr_name = "#{attr_ns_prefix}:#{attr_name}" if attr_ns_prefix
@stack.attr(attr_name, attr_value)
end
end
def on_end_element_ns(*ignored)
@stack.end_element
end
def on_characters(chars)
@stack.text(chars)
end
def on_error(msg)
@stack.error(msg)
end
end
end
end
end
|
