Recursively cleans all elements in place.
Only allow tags in whitelist. Always parse the html with a parser and
delete all tags that arent on the list.
For feed elements that can contain HTML:
100: def clean!
101: self.class::SIMPLE_ELEMENTS.each do |element|
102: val = self.send(element)
103:
104: send("#{element}=", (val.is_a?(Array) ?
105: val.collect{|v| HtmlCleaner.flatten(v.to_s)} : HtmlCleaner.flatten(val.to_s)))
106: end
107:
108: self.class::HTML_ELEMENTS.each do |element|
109: send("#{element}=", HtmlCleaner.clean(self.send(element).to_s))
110: end
111:
112: self.class::BLENDED_ELEMENTS.each do |element|
113: self.send(element).collect{|v| v.clean!}
114: end
115: end
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