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Contents
require "nokogiri"
module SAXMachine
def self.included(base)
base.extend ClassMethods
end
def parse(xml_text)
sax_handler = SAXHandler.new(self)
parser = Nokogiri::XML::SAX::Parser.new(sax_handler)
parser.parse(xml_text)
self
end
module ClassMethods
def parse(xml_text)
new.parse(xml_text)
end
def element(name, options = {})
options[:as] ||= name
sax_config.add_top_level_element(name, options)
# we only want to insert the getter and setter if they haven't defined it from elsewhere.
# this is how we allow custom parsing behavior. So you could define the setter
# and have it parse the string into a date or whatever.
attr_reader options[:as] unless instance_methods.include?(options[:as].to_s)
attr_writer options[:as] unless instance_methods.include?("#{options[:as]}=")
end
def elements(name, options = {})
options[:as] ||= name
if options[:class]
sax_config.add_collection_element(name, options)
else
class_eval <<-SRC
def add_#{options[:as]}(value)
#{options[:as]} << value
end
SRC
sax_config.add_top_level_element(name, options.merge(:collection => true))
end
class_eval <<-SRC
def #{options[:as]}
@#{options[:as]} ||= []
end
SRC
attr_writer options[:as]
end
def sax_config
@sax_config ||= SAXConfig.new
end
end
end
Version data entries
5 entries across 5 versions & 2 rubygems