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
|
require 'builder'
module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module Array #:nodoc:
module Conversions
# Converts the array to a comma-separated sentence where the last element is joined by the connector word. Options:
# * <tt>:connector</tt> - The word used to join the last element in arrays with two or more elements (default: "and")
# * <tt>:skip_last_comma</tt> - Set to true to return "a, b and c" instead of "a, b, and c".
def to_sentence(options = {})
options.assert_valid_keys(:connector, :skip_last_comma)
options.reverse_merge! :connector => 'and', :skip_last_comma => false
options[:connector] = "#{options[:connector]} " unless options[:connector].nil? || options[:connector].strip == ''
case length
when 0
""
when 1
self[0].to_s
when 2
"#{self[0]} #{options[:connector]}#{self[1]}"
else
"#{self[0...-1].join(', ')}#{options[:skip_last_comma] ? '' : ','} #{options[:connector]}#{self[-1]}"
end
end
# Calls to_param on all its elements and joins the result with slashes. This is used by url_for in Action Pack.
def to_param
map(&:to_param).join '/'
end
# Converts an array into a string suitable for use as a URL query string, using the given <tt>key</tt> as the
# param name.
#
# ==== Example:
# ['Rails', 'coding'].to_query('hobbies') => "hobbies%5B%5D=Rails&hobbies%5B%5D=coding"
def to_query(key)
collect { |value| value.to_query("#{key}[]") } * '&'
end
def self.included(base) #:nodoc:
base.class_eval do
alias_method :to_default_s, :to_s
alias_method :to_s, :to_formatted_s
end
end
def to_formatted_s(format = :default)
case format
when :db
if respond_to?(:empty?) && self.empty?
"null"
else
collect { |element| element.id }.join(",")
end
else
to_default_s
end
end
def to_xml(options = {})
raise "Not all elements respond to to_xml" unless all? { |e| e.respond_to? :to_xml }
options[:root] ||= all? { |e| e.is_a?(first.class) && first.class.to_s != "Hash" } ? first.class.to_s.underscore.pluralize : "records"
options[:children] ||= options[:root].singularize
options[:indent] ||= 2
options[:builder] ||= Builder::XmlMarkup.new(:indent => options[:indent])
root = options.delete(:root).to_s
children = options.delete(:children)
if !options.has_key?(:dasherize) || options[:dasherize]
root = root.dasherize
end
options[:builder].instruct! unless options.delete(:skip_instruct)
opts = options.merge({ :root => children })
xml = options[:builder]
if empty?
xml.tag!(root, options[:skip_types] ? {} : {:type => "array"})
else
xml.tag!(root, options[:skip_types] ? {} : {:type => "array"}) {
yield xml if block_given?
each { |e| e.to_xml(opts.merge!({ :skip_instruct => true })) }
}
end
end
end
end
end
end
|
