class DslRuntime
Class which evaluates DSL and read XML files to populate the namespace with classes
Public Class Methods
load(path)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 202 def self.load(path) file = File.open path, 'r' obj = Marshal.load file file.close obj end
new()
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Calls superclass method
LifecycleCallbacks::new
# File lib/roundtrip_xml/dsl_runtime.rb, line 16 def initialize() super @classes = {} @root_classes = Set.new end
Public Instance Methods
add_class(name, clazz)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 77 def add_class(name, clazz) @classes[name] = clazz end
add_unprocessed_attr(attr_config, clazz)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 144 def add_unprocessed_attr(attr_config, clazz) @unprocessed_attrs ||= [] @unprocessed_attrs << AttrJob.new(attr_config, clazz) end
child_classes(hash, config)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 187 def child_classes(hash, config) config[:attrs].map do |attr| attr_type = attr[:opts][:as] type = attr_type.class == Array ? attr_type.first : attr_type type if hash.key? type end.compact end
create_cleanroom(root_class, show_undefined_params = false)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 103 def create_cleanroom(root_class, show_undefined_params = false) BaseCleanroom.new(root_class.new, self, show_undefined_params) end
deserialize_class(node, config)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 131 def deserialize_class(node, config) clazz = fetch(node.name) || new_roxml_class(config[:xml_name]) config[:attrs].each do |attr| type_is_parent = node.parentage && (node.parentage << node).any? {|n| n.name == attr[:opts][:as]} if type_is_parent add_unprocessed_attr attr, clazz else clazz.xml_accessor attr[:name], transform_accessor_opts(attr[:opts]) end end clazz end
evaluate_file(path, root_class, templates = [])
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# File lib/roundtrip_xml/dsl_runtime.rb, line 81 def evaluate_file(path, root_class, templates = []) cleanroom = RootCleanroom.new(fetch(root_class).new, self) templates.each { |t| cleanroom.evaluate_file t } cleanroom.evaluate_file path end
evaluate_raw(dsl, root_class, templates = [], &block)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 88 def evaluate_raw(dsl, root_class, templates = [], &block) cleanroom = RootCleanroom.new(fetch(root_class).new, self) templates.each { |t| cleanroom.evaluate t } if block_given? cleanroom.evaluate &block else cleanroom.evaluate dsl end end
fetch(class_name)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 73 def fetch(class_name) @classes[class_name] end
fetch_cleanroom(root_class)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 99 def fetch_cleanroom(root_class) BaseCleanroom.new(fetch(root_class).new, self) end
hash_to_tree(hash, root_name, processed = [])
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# File lib/roundtrip_xml/dsl_runtime.rb, line 177 def hash_to_tree(hash, root_name, processed = []) node = Tree::TreeNode.new(root_name, hash[root_name]) processed << root_name children = child_classes(hash, hash[root_name]) children.each do |name| node << hash_to_tree(hash, name, processed) unless processed.include? name end node end
marshal_dump()
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# File lib/roundtrip_xml/dsl_runtime.rb, line 107 def marshal_dump classes = @classes.inject({}) do |hash, (name, clazz)| hash[name] = {xml_name: clazz.tag_name } hash[name][:attrs] = clazz.roxml_attrs.map do |accessor| type = accessor.sought_type.class == Class ? accessor.sought_type.class_name : accessor.sought_type from = accessor.sought_type == :attr ? "@#{accessor.name}" : accessor.name { name: accessor.accessor, opts: { as: accessor.array? ? [type] : type, from: from } } end hash end { root_classes: @root_classes, classes: classes } end
marshal_load(data)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 161 def marshal_load(data) initialize @root_classes.merge data[:root_classes] trees = @root_classes.map {|clazz| hash_to_tree data[:classes], clazz} trees.each do |tree| tree.postordered_each do |node| @classes[node.name] = deserialize_class(node, node.content) end end @unprocessed_attrs.each do |job| clazz = job.class config = job.config clazz.xml_accessor config[:name], transform_accessor_opts(config[:opts]) end if @unprocessed_attrs end
populate(files)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 21 def populate(files) files.map {|f| populate_from_file f } end
populate_from_file(file)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 25 def populate_from_file (file) populate_raw File.read(file) end
populate_raw(raw)
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@param root_method Symbol The method of the ROXML object to access its children
# File lib/roundtrip_xml/dsl_runtime.rb, line 32 def populate_raw (raw) builder = RoxmlBuilder.new (Nokogiri::XML(raw).root), @classes new_classes = builder.build_classes @root_classes << builder.root_class_name @classes.merge! new_classes end
serialize(path)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 196 def serialize(path) file = File.new path, 'w' Marshal.dump self, file file.close end
transform_accessor_opts(opts)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 149 def transform_accessor_opts(opts) attr_type = opts[:as] is_array = attr_type.class == Array type = is_array ? attr_type.first : attr_type if is_array opts[:as] = [fetch(type)] else opts[:as] = fetch type end opts end
write_dsl(xml, root_class_name, root_method, helpers = nil) { |obj| ... }
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@param block Proc This proc is passed each health rule and must return a string value which specifies the partition for it
# File lib/roundtrip_xml/dsl_runtime.rb, line 40 def write_dsl(xml, root_class_name, root_method, helpers = nil, &block) roxml_root = fetch(root_class_name).from_xml xml trigger :after_roxml_created, roxml_root extractor = Extractor.new roxml_root.send(root_method), self, root_class_name, helpers new_objs = extractor.convert_roxml_objs if block_given? partitions = {} new_objs.each do |obj| partition = yield obj partitions[partition] ||= [] partitions[partition] << obj end partitions dsl = partitions.inject({}) do |out, (partition, objs)| out[partition] = write_dsl_helper roxml_root, root_method, objs out end else dsl = write_dsl_helper roxml_root, root_method, new_objs end dsl end
write_dsl_helper(root, root_method, objs)
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# File lib/roundtrip_xml/dsl_runtime.rb, line 66 def write_dsl_helper(root, root_method, objs) root.send("#{root_method}=", objs) builder = SexpDslBuilder.new root, self builder.write_full_dsl root_method end