Class: IMW::Recordizer::HTMLSelectorRecordizer

Inherits:
Object
  • Object
show all
Defined in:
lib/imw/recordizer/html_selector_recordizer.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ HTMLSelectorRecordizer

Returns a new instance of HTMLSelectorRecordizer.



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# File 'lib/imw/recordizer/html_selector_recordizer.rb', line 17

def initialize
  self.class.rules.each { |name, (s, k, plural)| send("#{name}=", []) if plural }
end

Class Method Details

.element(*args, &block) ⇒ Object 



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# File 'lib/imw/recordizer/html_selector_recordizer.rb', line 5

def self.element(*args, &block)
  selector, name, delegate = parse_rule_declaration(*args, &block)
  rules[name] = [selector, delegate]
  attr_accessor name
  name
end

.elements(*args, &block) ⇒ Object 



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# File 'lib/imw/recordizer/html_selector_recordizer.rb', line 12

def self.elements(*args, &block)
  name = element(*args, &block)
  rules[name] << true
end

.recordize(doc) ⇒ Object 



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# File 'lib/imw/recordizer/html_selector_recordizer.rb', line 21

def self.recordize(doc)
  self.new.recordize(doc)
end

Instance Method Details

#recordize(doc) ⇒ Object 



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# File 'lib/imw/recordizer/html_selector_recordizer.rb', line 25

def recordize(doc)
  self.class.rules.each do |target, (selector, delegate, plural)|
    if plural
      send(target).concat doc.search(selector).map { |i| parse_result(i, delegate) }
    else
      send("#{target}=", parse_result(doc.at(selector), delegate))
    end
  end
  self.to_hash
end

#to_hash ⇒ Object 



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# File 'lib/imw/recordizer/html_selector_recordizer.rb', line 36

def to_hash
  converter = lambda { |obj| obj.respond_to?(:to_hash) ? obj.to_hash : obj }
  self.class.rules.keys.inject({}) do |hash, name|
    value = send(name)
    hash[name.to_sym] = Array === value ? value.map(&converter) : converter[value]
    hash
  end
end