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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
|
require 'rss/1.0'
require 'rss/2.0'
module RSS
TRACKBACK_PREFIX = 'trackback'
TRACKBACK_URI = 'http://madskills.com/public/xml/rss/module/trackback/'
RDF.install_ns(TRACKBACK_PREFIX, TRACKBACK_URI)
Rss.install_ns(TRACKBACK_PREFIX, TRACKBACK_URI)
module BaseTrackBackModel
def trackback_validate(tags)
counter = {}
%w(ping about).each do |x|
counter["#{TRACKBACK_PREFIX}_#{x}"] = 0
end
tags.each do |tag|
key = "#{TRACKBACK_PREFIX}_#{tag}"
raise UnknownTagError.new(tag, TRACKBACK_URI) unless counter.has_key?(key)
counter[key] += 1
if tag != "about" and counter[key] > 1
raise TooMuchTagError.new(tag, tag_name)
end
end
if counter["#{TRACKBACK_PREFIX}_ping"].zero? and
counter["#{TRACKBACK_PREFIX}_about"].nonzero?
raise MissingTagError.new("#{TRACKBACK_PREFIX}:ping", tag_name)
end
end
end
module TrackBackModel10
extend BaseModel
include BaseTrackBackModel
def self.append_features(klass)
super
unless klass.class == Module
%w(ping).each do |x|
klass.install_have_child_element("#{TRACKBACK_PREFIX}_#{x}")
end
%w(about).each do |x|
klass.install_have_children_element("#{TRACKBACK_PREFIX}_#{x}")
end
end
end
class Ping < Element
include RSS10
class << self
def required_prefix
TRACKBACK_PREFIX
end
def required_uri
TRACKBACK_URI
end
end
[
["resource", ::RSS::RDF::URI, true]
].each do |name, uri, required|
install_get_attribute(name, uri, required)
end
def initialize(resource=nil)
super()
@resource = resource
end
def to_s(convert=true, indent=calc_indent)
if @resource
rv = %Q[#{indent}<#{TRACKBACK_PREFIX}:ping ]
rv << %Q[#{::RSS::RDF::PREFIX}:resource="#{h @resource}"/>]
rv = @converter.convert(rv) if convert and @converter
rv
else
''
end
end
private
def _attrs
[
["resource", true],
]
end
end
class About < Element
include RSS10
class << self
def required_prefix
TRACKBACK_PREFIX
end
def required_uri
TRACKBACK_URI
end
end
[
["resource", ::RSS::RDF::URI, true]
].each do |name, uri, required|
install_get_attribute(name, uri, required)
end
def initialize(resource=nil)
super()
@resource = resource
end
def to_s(convert=true, indent=calc_indent)
if @resource
rv = %Q[#{indent}<#{TRACKBACK_PREFIX}:about ]
rv << %Q[#{::RSS::RDF::PREFIX}:resource="#{h @resource}"/>]
rv = @converter.convert(rv) if convert and @converter
rv
else
''
end
end
private
def _attrs
[
["resource", true],
]
end
end
end
module TrackBackModel20
include BaseTrackBackModel
extend BaseModel
def self.append_features(klass)
super
unless klass.class == Module
%w(ping).each do |x|
var_name = "#{TRACKBACK_PREFIX}_#{x}"
klass.install_have_child_element(var_name)
klass.module_eval(<<-EOC)
alias _#{var_name} #{var_name}
def #{var_name}
@#{var_name} and @#{var_name}.content
end
alias _#{var_name}= #{var_name}=
def #{var_name}=(content)
@#{var_name} = new_with_content_if_need(#{x.capitalize}, content)
end
EOC
end
[%w(about s)].each do |x, postfix|
var_name = "#{TRACKBACK_PREFIX}_#{x}"
klass.install_have_children_element(var_name)
klass.module_eval(<<-EOC)
alias _#{var_name}#{postfix} #{var_name}#{postfix}
def #{var_name}#{postfix}
@#{var_name}.collect {|x| x.content}
end
alias _#{var_name} #{var_name}
def #{var_name}(*args)
if args.empty?
@#{var_name}.first and @#{var_name}.first.content
else
ret = @#{var_name}.send("[]", *args)
if ret.is_a?(Array)
ret.collect {|x| x.content}
else
ret.content
end
end
end
alias _#{var_name}= #{var_name}=
alias _set_#{var_name} set_#{var_name}
def #{var_name}=(*args)
if args.size == 1
item = new_with_content_if_need(#{x.capitalize}, args[0])
@#{var_name}.push(item)
else
new_val = args.last
if new_val.is_a?(Array)
new_val = new_value.collect do |val|
new_with_content_if_need(#{x.capitalize}, val)
end
else
new_val = new_with_content_if_need(#{x.capitalize}, new_val)
end
@#{var_name}.send("[]=", *(args[0..-2] + [new_val]))
end
end
alias set_#{var_name} #{var_name}=
EOC
end
end
end
private
def new_with_content(klass, content)
obj = klass.new
obj.content = content
obj
end
def new_with_content_if_need(klass, content)
if content.is_a?(klass)
content
else
new_with_content(klass, content)
end
end
class Ping < Element
include RSS09
content_setup
class << self
def required_prefix
TRACKBACK_PREFIX
end
def required_uri
TRACKBACK_URI
end
end
def to_s(convert=true, indent=calc_indent)
if @content
rv = %Q[#{indent}<#{TRACKBACK_PREFIX}:ping>]
rv << h(@content)
rv << %Q[</#{TRACKBACK_PREFIX}:ping>]
rv = @converter.convert(rv) if convert and @converter
rv
else
''
end
end
end
class About < Element
include RSS09
content_setup
class << self
def required_prefix
TRACKBACK_PREFIX
end
def required_uri
TRACKBACK_URI
end
end
def to_s(convert=true, indent=calc_indent)
if @content
rv = %Q[#{indent}<#{TRACKBACK_PREFIX}:about>]
rv << h(@content)
rv << %Q[</#{TRACKBACK_PREFIX}:about>]
rv = @converter.convert(rv) if convert and @converter
rv
else
''
end
end
end
end
class RDF
class Item; include TrackBackModel10; end
end
class Rss
class Channel
class Item; include TrackBackModel20; end
end
end
end
|
