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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
require "rss/rss"
module RSS
DC_PREFIX = 'dc'
DC_URI = "http://purl.org/dc/elements/1.1/"
module BaseDublinCoreModel
def append_features(klass)
super
return if klass.instance_of?(Module)
DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name|
plural = plural_name || "#{name}s"
full_name = "#{DC_PREFIX}_#{name}"
full_plural_name = "#{DC_PREFIX}_#{plural}"
klass_name = "DublinCore#{Utils.to_class_name(name)}"
klass.install_must_call_validator(DC_PREFIX, DC_URI)
klass.install_have_children_element(name, DC_URI, "*",
full_name, full_plural_name)
klass.module_eval(<<-EOC, *get_file_and_line_from_caller(0))
remove_method :#{full_name}
remove_method :#{full_name}=
remove_method :set_#{full_name}
def #{full_name}
@#{full_name}.first and @#{full_name}.first.value
end
def #{full_name}=(new_value)
@#{full_name}[0] = Utils.new_with_value_if_need(#{klass_name}, new_value)
end
alias set_#{full_name} #{full_name}=
EOC
end
klass.module_eval(<<-EOC, *get_file_and_line_from_caller(0))
if method_defined?(:date)
alias date_without_#{DC_PREFIX}_date= date=
def date=(value)
self.date_without_#{DC_PREFIX}_date = value
self.#{DC_PREFIX}_date = value
end
else
alias date #{DC_PREFIX}_date
alias date= #{DC_PREFIX}_date=
end
# For backward compatibility
alias #{DC_PREFIX}_rightses #{DC_PREFIX}_rights_list
EOC
end
end
module DublinCoreModel
extend BaseModel
extend BaseDublinCoreModel
TEXT_ELEMENTS = {
"title" => nil,
"description" => nil,
"creator" => nil,
"subject" => nil,
"publisher" => nil,
"contributor" => nil,
"type" => nil,
"format" => nil,
"identifier" => nil,
"source" => nil,
"language" => nil,
"relation" => nil,
"coverage" => nil,
"rights" => "rights_list"
}
DATE_ELEMENTS = {
"date" => "w3cdtf",
}
ELEMENT_NAME_INFOS = DublinCoreModel::TEXT_ELEMENTS.to_a
DublinCoreModel::DATE_ELEMENTS.each do |name, |
ELEMENT_NAME_INFOS << [name, nil]
end
ELEMENTS = TEXT_ELEMENTS.keys + DATE_ELEMENTS.keys
ELEMENTS.each do |name, plural_name|
module_eval(<<-EOC, *get_file_and_line_from_caller(0))
class DublinCore#{Utils.to_class_name(name)} < Element
include RSS10
content_setup
class << self
def required_prefix
DC_PREFIX
end
def required_uri
DC_URI
end
end
@tag_name = #{name.dump}
alias_method(:value, :content)
alias_method(:value=, :content=)
def initialize(*args)
if Utils.element_initialize_arguments?(args)
super
else
super()
self.content = args[0]
end
end
def full_name
tag_name_with_prefix(DC_PREFIX)
end
def maker_target(target)
target.new_#{name}
end
def setup_maker_attributes(#{name})
#{name}.content = content
end
end
EOC
end
DATE_ELEMENTS.each do |name, type|
tag_name = "#{DC_PREFIX}:#{name}"
module_eval(<<-EOC, *get_file_and_line_from_caller(0))
class DublinCore#{Utils.to_class_name(name)} < Element
remove_method(:content=)
remove_method(:value=)
date_writer("content", #{type.dump}, #{tag_name.dump})
alias_method(:value=, :content=)
end
EOC
end
end
# For backward compatibility
DublincoreModel = DublinCoreModel
DublinCoreModel::ELEMENTS.each do |name|
class_name = Utils.to_class_name(name)
BaseListener.install_class_name(DC_URI, name, "DublinCore#{class_name}")
end
DublinCoreModel::ELEMENTS.collect! {|name| "#{DC_PREFIX}_#{name}"}
end
require 'rss/dublincore/1.0'
require 'rss/dublincore/2.0'
require 'rss/dublincore/atom'
|
