/usr/lib/ruby/vendor_ruby/multi_xml/parsers/rexml.rb is in ruby-multi-xml 0.5.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | require 'rexml/document' unless defined?(REXML::Document)
module MultiXml
module Parsers
module Rexml #:nodoc:
extend self
def parse_error; ::REXML::ParseException; end
# Parse an XML Document IO into a simple hash using REXML
#
# xml::
# XML Document IO to parse
def parse(xml)
doc = REXML::Document.new(xml)
if doc.root
merge_element!({}, doc.root)
else
raise REXML::ParseException, "The document #{doc.to_s.inspect} does not have a valid root"
end
end
private
# Convert an XML element and merge into the hash
#
# hash::
# Hash to merge the converted element into.
# element::
# XML element to merge into hash
def merge_element!(hash, element)
merge!(hash, element.name, collapse(element))
end
# Actually converts an XML document element into a data structure.
#
# element::
# The document element to be collapsed.
def collapse(element)
hash = get_attributes(element)
if element.has_elements?
element.each_element {|child| merge_element!(hash, child) }
merge_texts!(hash, element) unless empty_content?(element)
hash
else
merge_texts!(hash, element)
end
end
# Merge all the texts of an element into the hash
#
# hash::
# Hash to add the converted element to.
# element::
# XML element whose texts are to me merged into the hash
def merge_texts!(hash, element)
unless element.has_text?
hash
else
# must use value to prevent double-escaping
texts = ''
element.texts.each { |t| texts << t.value }
merge!(hash, MultiXml::CONTENT_ROOT, texts)
end
end
# Adds a new key/value pair to an existing Hash. If the key to be added
# already exists and the existing value associated with key is not
# an Array, it will be wrapped in an Array. Then the new value is
# appended to that Array.
#
# hash::
# Hash to add key/value pair to.
# key::
# Key to be added.
# value::
# Value to be associated with key.
def merge!(hash, key, value)
if hash.has_key?(key)
if hash[key].instance_of?(Array)
hash[key] << value
else
hash[key] = [hash[key], value]
end
elsif value.instance_of?(Array)
hash[key] = [value]
else
hash[key] = value
end
hash
end
# Converts the attributes array of an XML element into a hash.
# Returns an empty Hash if node has no attributes.
#
# element::
# XML element to extract attributes from.
def get_attributes(element)
attributes = {}
element.attributes.each { |n,v| attributes[n] = v }
attributes
end
# Determines if a document element has text content
#
# element::
# XML element to be checked.
def empty_content?(element)
element.texts.join.strip.empty?
end
end
end
end
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