Module: Sequel::Plugins::XmlSerializer::ClassMethods

Defined in:
lib/sequel/plugins/xml_serializer.rb

Constant Summary collapse

CAMELIZE =

Proc that camelizes the input string, used for the :camelize option

proc{|s| s.camelize}
DASHERIZE =

Proc that dasherizes the input string, used for the :dasherize option

proc{|s| s.dasherize}
IDENTITY =

Proc that returns the input string as is, used if no :name_proc, :dasherize, or :camelize option is used.

proc{|s| s}
UNDERSCORE =

Proc that underscores the input string, used for the :underscore option

proc{|s| s.underscore}

Instance Method Summary collapse

Instance Method Details

#array_from_xml(xml, opts = OPTS) ⇒ Object

Return an array of instances of this class based on the provided XML.



130
131
132
133
134
135
136
 
# File 'lib/sequel/plugins/xml_serializer.rb', line 130

def array_from_xml(xml, opts=OPTS)
  node = Nokogiri::XML(xml).children.first
  unless node 
    raise Error, "Malformed XML used"
  end
  node.children.reject{|c| c.is_a?(Nokogiri::XML::Text)}.map{|c| from_xml_node(c, opts)}
end

#from_xml(xml, opts = OPTS) ⇒ Object

Return an instance of this class based on the provided XML.



140
141
142
 
# File 'lib/sequel/plugins/xml_serializer.rb', line 140

def from_xml(xml, opts=OPTS)
  from_xml_node(Nokogiri::XML(xml).children.first, opts)
end

#from_xml_node(parent, opts = OPTS) ⇒ Object

Return an instance of this class based on the given XML node, which should be Nokogiri::XML::Node instance. This should probably not be used directly by user code.



147
148
149
 
# File 'lib/sequel/plugins/xml_serializer.rb', line 147

def from_xml_node(parent, opts=OPTS)
  new.from_xml_node(parent, opts)
end

#xml_builder(opts = OPTS) ⇒ Object

Return an appropriate Nokogiri::XML::Builder instance used to create the XML. This should probably not be used directly by user code.



154
155
156
157
158
159
160
161
162
163
164
165
166
 
# File 'lib/sequel/plugins/xml_serializer.rb', line 154

def xml_builder(opts=OPTS)
  if opts[:builder]
    opts[:builder]
  else
    builder_opts = if opts[:builder_opts]
      opts[:builder_opts]
    else
      {}
    end
    builder_opts[:encoding] = opts[:encoding] if opts.has_key?(:encoding)
    Nokogiri::XML::Builder.new(builder_opts)
  end
end

#xml_deserialize_name_proc(opts = OPTS) ⇒ Object

Return a proc (or any other object that responds to []), used for formatting XML tag names when serializing to XML. This should probably not be used directly by user code.



171
172
173
174
175
176
177
178
179
 
# File 'lib/sequel/plugins/xml_serializer.rb', line 171

def xml_deserialize_name_proc(opts=OPTS)
  if opts[:name_proc]
    opts[:name_proc]
  elsif opts[:underscore]
    UNDERSCORE
  else
    IDENTITY
  end
end

#xml_serialize_name_proc(opts = OPTS) ⇒ Object

Return a proc (or any other object that responds to []), used for formatting XML tag names when serializing to XML. This should probably not be used directly by user code.



184
185
186
187
188
189
190
191
192
193
194
195
 
# File 'lib/sequel/plugins/xml_serializer.rb', line 184

def xml_serialize_name_proc(opts=OPTS)
  pr = if opts[:name_proc]
    opts[:name_proc]
  elsif opts[:dasherize]
    DASHERIZE
  elsif opts[:camelize]
    CAMELIZE
  else
    IDENTITY
  end
  proc{|s| "#{pr[s]}_"}
end