/usr/lib/ruby/vendor_ruby/eim_xml.rb is in ruby-eim-xml 0.0.4-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (C) 2006, KURODA Hiraku <hiraku@hinet.mydns.jp>
# You can redistribute it and/or modify it under GPL2.
#
module EimXML
XML_DECLARATION = %[<?xml version="1.0"?>]
class PCString
attr_reader :encoded_string, :src
alias to_s encoded_string
def self.encode(s)
s.to_s.gsub(/[&\"\'<>]/) do |m|
case m
when "&"
"&"
when '"'
"""
when "'"
"'"
when "<"
"<"
when ">"
">"
end
end
end
def self.[](obj)
obj.is_a?(PCString) ? obj : PCString.new(obj)
end
def initialize(s, encoded=false)
@src = s
@encoded_string = encoded ? s : PCString.encode(s)
end
def ==(other)
other.is_a?(PCString) ? @encoded_string==other.encoded_string : self==PCString.new(other)
end
def write_to(out="")
out << encoded_string
end
end
class Comment
def initialize(text)
raise ArgumentError, "Can not include '--'" if text =~ /--/
@text = text
end
def write_to(out="")
out << "<!-- #{@text} -->"
end
end
class Element
attr_reader :name, :attributes, :contents
NEST = " "
def initialize(name, attributes={})
@name = name.to_sym
@attributes = Hash.new
@contents = Array.new
attributes.each do |k, v|
@attributes[k.to_sym] = v
end
yield(self) if block_given?
end
def name=(new_name)
@name = new_name.to_sym
end
protected :name=
def add(v)
case v
when nil
when Array
v.each{|i| self.add(i)}
else
@contents << v
end
self
end
alias << add
def name_and_attributes(out="")
out << "#{@name}"
@attributes.each do |k, v|
next unless v
out << " #{k}='#{PCString===v ? v : PCString.encode(v.to_s)}'"
end
end
def write_to(out = "")
out << "<"
name_and_attributes(out)
if @contents.empty?
out << " />"
else
out << ">"
@contents.each do |c|
case c
when Element
c.write_to(out)
when PCString
out << c.to_s
else
out << PCString.encode(c.to_s)
end
end
out << "</#{@name}>"
end
out
end
alias :to_s :write_to
alias :inspect :to_s
def ==(xml)
return false unless xml.is_a?(Element)
@name==xml.name && @attributes==xml.attributes && @contents==xml.contents
end
def add_attribute(key, value)
@attributes[key.to_sym] = value
end
alias []= add_attribute
def [](key)
if key.is_a?(Fixnum)
@contents[key]
else
@attributes[key.to_sym]
end
end
def del_attribute(key)
@attributes.delete(key.to_sym)
end
def pcstring_contents
@contents.select{|c| c.is_a?(String)||c.is_a?(PCString)}.map{|c| c.is_a?(String) ? PCString.new(c) : c}
end
def match(obj, attr=nil)
return match(Element.new(obj, attr)) if attr
return obj=~@name.to_s if obj.is_a?(Regexp)
return @name==obj if obj.is_a?(Symbol)
return is_a?(obj) if obj.is_a?(Module)
raise ArgumentError unless obj.is_a?(Element)
return false unless @name==obj.name
obj.attributes.all? do |k, v|
(v.nil? && !@attributes.include?(k)) ||
(@attributes.include?(k) && (v.is_a?(Regexp) ? v =~ @attributes[k] : PCString[v] == PCString[@attributes[k]]))
end and obj.contents.all? do |i|
case i
when Element
has_element?(i)
when String
pcstring_contents.include?(PCString.new(i))
when PCString
pcstring_contents.include?(i)
when Regexp
@contents.any?{|c| c.is_a?(String) and i=~c}
end
end
end
alias :=~ :match
def has?(obj, attr=nil)
return has?(Element.new(obj, attr)) if attr
@contents.any? do |i|
if i.is_a?(Element)
i.match(obj) || i.has?(obj)
else
obj.is_a?(Module) && i.is_a?(obj)
end
end
end
alias has_element? has?
alias include? has?
def find(obj, dst=Element.new(:found))
return find(Element.new(obj, dst)) if dst.is_a?(Hash)
dst << self if match(obj)
@contents.each do |i|
case
when i.is_a?(Element)
i.find(obj, dst)
when obj.is_a?(Module) && i.is_a?(obj)
dst << i
end
end
dst
end
end
end
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