Module: Horsefield::Diggable

Defined in:
lib/horsefield/diggable.rb

Instance Method Summary collapse

Instance Method Details

#fields ⇒ Object 



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# File 'lib/horsefield/diggable.rb', line 50

def fields
  @fields ||= {}
end

#many(name, selector, lookup = :optional, &block) ⇒ Object

Raises:



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# File 'lib/horsefield/diggable.rb', line 8

def many(name, selector, lookup = :optional, &block)
  docs = search(selector)

  raise MissingSelectorError, "Couldn't find required selector (#{selector})" if lookup == :required && docs.empty?
  return fields if lookup == :presence && docs.empty?

  nodes = docs.map do |doc|
    doc.instance_eval(&processor(&block))
  end

  fields.merge!(Hash[[[name, nodes]]])
end

#many!(name, selector, &block) ⇒ Object 



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# File 'lib/horsefield/diggable.rb', line 30

def many!(name, selector, &block)
  many(name, selector, :required, &block)
end

#many?(name, selector, &block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/horsefield/diggable.rb', line 34

def many?(name, selector, &block)
  many(name, selector, :presence, &block)
end

#one(name, selector = nil, lookup = :optional, &block) ⇒ Object

Raises:



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# File 'lib/horsefield/diggable.rb', line 21

def one(name, selector = nil, lookup = :optional, &block)
  doc = selector ? at(selector) : self.dup

  raise MissingSelectorError, "Couldn't find required selector (#{selector})" if lookup == :required && !doc
  return fields if lookup == :presence && !doc

  fields.merge!(Hash[[[name, doc && doc.with_fresh_fields.instance_eval(&processor(&block))]]])
end

#one!(name, selector = nil, &block) ⇒ Object 



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# File 'lib/horsefield/diggable.rb', line 38

def one!(name, selector = nil, &block)
  one(name, selector, :required, &block)
end

#one?(name, selector = nil, &block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/horsefield/diggable.rb', line 42

def one?(name, selector = nil, &block)
  one(name, selector, :presence, &block)
end

#processor(&block) ⇒ Object 



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# File 'lib/horsefield/diggable.rb', line 46

def processor(&block)
  block || Proc.new { text.strip }
end

#with_fresh_fields ⇒ Object 



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# File 'lib/horsefield/diggable.rb', line 3

def with_fresh_fields
  @fields = {}
  self
end