Module: HappyMapper::ClassMethods
- Defined in:
- lib/happymapper.rb
Instance Method Summary collapse
- #attribute(name, type, options = {}) ⇒ Object
- #attributes ⇒ Object
- #element(name, type, options = {}) ⇒ Object
- #elements ⇒ Object
- #has_many(name, type, options = {}) ⇒ Object
- #has_one(name, type, options = {}) ⇒ Object
-
#namespace(namespace = nil) ⇒ Object
Specify a namespace if a node and all its children are all namespaced elements.
- #parse(xml, options = {}) ⇒ Object
- #tag(new_tag_name) ⇒ Object
- #tag_name ⇒ Object
Instance Method Details
#attribute(name, type, options = {}) ⇒ Object
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# File 'lib/happymapper.rb', line 22 def attribute(name, type, ={}) attribute = Attribute.new(name, type, ) @attributes[to_s] ||= [] @attributes[to_s] << attribute attr_accessor attribute.method_name.intern end |
#attributes ⇒ Object
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# File 'lib/happymapper.rb', line 29 def attributes @attributes[to_s] || [] end |
#element(name, type, options = {}) ⇒ Object
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# File 'lib/happymapper.rb', line 33 def element(name, type, ={}) element = Element.new(name, type, ) @elements[to_s] ||= [] @elements[to_s] << element attr_accessor element.method_name.intern end |
#elements ⇒ Object
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# File 'lib/happymapper.rb', line 40 def elements @elements[to_s] || [] end |
#has_many(name, type, options = {}) ⇒ Object
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# File 'lib/happymapper.rb', line 48 def has_many(name, type, ={}) element name, type, {:single => false}.merge() end |
#has_one(name, type, options = {}) ⇒ Object
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# File 'lib/happymapper.rb', line 44 def has_one(name, type, ={}) element name, type, {:single => true}.merge() end |
#namespace(namespace = nil) ⇒ Object
Specify a namespace if a node and all its children are all namespaced elements. This is simpler than passing the :namespace option to each defined element.
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# File 'lib/happymapper.rb', line 55 def namespace(namespace = nil) @namespace = namespace if namespace @namespace end |
#parse(xml, options = {}) ⇒ Object
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# File 'lib/happymapper.rb', line 68 def parse(xml, = {}) # locally scoped copy of namespace for this parse run namespace = @namespace if xml.is_a?(XML::Node) node = xml else if xml.is_a?(XML::Document) node = xml.root else node = XML::Parser.string(xml).parse.root end root = node.name == tag_name end # This is the entry point into the parsing pipeline, so the default # namespace prefix registered here will propagate down namespaces = node.namespaces if namespaces && namespaces.default already_assigned = namespaces.definitions.detect do |defn| namespaces.default && namespaces.default.href == defn.href && defn.prefix end namespaces.default_prefix = DEFAULT_NS unless already_assigned namespace ||= DEFAULT_NS end xpath = root ? '/' : './/' xpath += "#{namespace}:" if namespace xpath += tag_name nodes = node.find(xpath) collection = nodes.collect do |n| obj = new attributes.each do |attr| obj.send("#{attr.method_name}=", attr.from_xml_node(n, namespace)) end elements.each do |elem| obj.send("#{elem.method_name}=", elem.from_xml_node(n, namespace)) end obj end # per http://libxml.rubyforge.org/rdoc/classes/LibXML/XML/Document.html#M000354 nodes = nil if [:single] || root collection.first else collection end end |
#tag(new_tag_name) ⇒ Object
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# File 'lib/happymapper.rb', line 60 def tag(new_tag_name) @tag_name = new_tag_name.to_s end |
#tag_name ⇒ Object
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# File 'lib/happymapper.rb', line 64 def tag_name @tag_name ||= to_s.split('::')[-1].downcase end |