Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/program-tv/hash_helper.rb

Overview

modified from stackoverflow.com/questions/1230741/convert-a-nokogiri-document-to-a-ruby-hash/1231297#1231297

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.from_xml(xml_io) ⇒ Object 



7
8
9
10
11
12
13
14
 
# File 'lib/program-tv/hash_helper.rb', line 7

def from_xml(xml_io)
  begin
    result = Nokogiri::XML(xml_io)
    return { result.root.name.to_sym => xml_node_to_hash(result.root)}
  rescue Exception => e
    # raise your custom exception here
  end
end

.prepare(data) ⇒ Object 



54
55
56
 
# File 'lib/program-tv/hash_helper.rb', line 54

def prepare(data)
  (data.class == String && data.to_i.to_s == data) ? data.to_i : data
end

.xml_node_to_hash(node) ⇒ Object 



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
 
# File 'lib/program-tv/hash_helper.rb', line 16

def xml_node_to_hash(node)
  # If we are at the root of the document, start the hash
  if node.element?
    result_hash = {}
    if node.attributes != {}
      result_hash[:attributes] = {}
      node.attributes.keys.each do |key|
        result_hash[:attributes][node.attributes[key].name.to_sym] = prepare(node.attributes[key].value)
      end
    end
    if node.children.size > 0
      node.children.each do |child|
        result = xml_node_to_hash(child)

        if child.name == "text"
          unless child.next_sibling || child.previous_sibling
            return prepare(result)
          end
        elsif result_hash[child.name.to_sym]
          if result_hash[child.name.to_sym].is_a?(Object::Array)
            result_hash[child.name.to_sym] << prepare(result)
          else
            result_hash[child.name.to_sym] = [result_hash[child.name.to_sym]] << prepare(result)
          end
        else
          result_hash[child.name.to_sym] = prepare(result)
        end
      end

      return result_hash
    else
      return result_hash
    end
  else
    return prepare(node.content.to_s)
  end
end

Instance Method Details

#to_struct(struct_name) ⇒ Object 



59
60
61
 
# File 'lib/program-tv/hash_helper.rb', line 59

def to_struct(struct_name)
    Struct.new(struct_name,*keys).new(*values)
end