Class: Nguyen::Xfdf

Inherits:
Object
  • Object
show all
Defined in:
lib/nguyen/xfdf.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(fields = {}, options = {}) ⇒ Xfdf

Returns a new instance of Xfdf.



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# File 'lib/nguyen/xfdf.rb', line 8

def initialize(fields = {}, options = {})
  @fields = fields
  @options = {
    file: nil,
    id: nil
  }.merge(options)
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/nguyen/xfdf.rb', line 6

def options
  @options
end

Instance Method Details

#save_to(path) ⇒ Object

write fdf content to path



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# File 'lib/nguyen/xfdf.rb', line 39

def save_to(path)
  (File.open(path, 'w') << to_xfdf).close
end

#to_xfdf ⇒ Object

generate XFDF content



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# File 'lib/nguyen/xfdf.rb', line 17

def to_xfdf
  builder = Nokogiri::XML::Builder.new(encoding: 'UTF-8') do |xml|
    xml.xfdf('xmlns' => 'http://ns.adobe.com/xfdf/', 'xml:space' => 'preserve') {
      xml.f(href: options[:file]) if options[:file]
      xml.ids(original: options[:id], modified: options[:id]) if options[:id]
      xml.fields {
        @fields.each do |field, value|
          xml.field(name: field) {
            if value.is_a? Array
              value.each { |item| xml.value(item.to_s) }
            else
              xml.value(value.to_s)
            end
          }
        end
      }
    }
  end
  builder.to_xml(save_with: Nokogiri::XML::Node::SaveOptions::AS_XML)
end