XSD parser using LutaML-Model (#2)

* XSD parsing LutaML-Model classes

* chore: removed zeitwerk default logger

* Added round-trip xml specs, classes, and attributes

* fix: failing specs

* chore: updated dir path string

* chore: changed matcher gem and moved adapter from method to base file

---------

Co-authored-by: suleman-uzair <[email protected]>

.rubocop.yml

@@ -6,3 +6,6 @@ Style/StringLiterals:
 
 Style/StringLiteralsInInterpolation:
   EnforcedStyle: double_quotes
+
+Documentation:
+  Enabled: false

Gemfile

@@ -5,8 +5,14 @@ source "https://rubygems.org"
 # Specify your gem's dependencies in lutaml-xsd.gemspec
 gemspec
 
+gem "equivalent-xml"
+
 gem "rake", "~> 13.0"
 
 gem "rspec", "~> 3.0"
 
 gem "rubocop", "~> 1.21"
+
+gem "nokogiri"
+
+gem "xml-c14n"

lib/lutaml/xsd.rb

@@ -1,10 +1,12 @@
 # frozen_string_literal: true
 
-require_relative "xsd/version"
+require "zeitwerk"
+require "lutaml/model"
+require_relative "xsd/xsd"
 
-module Lutaml
-  module Xsd
-    class Error < StandardError; end
-    # Your code goes here...
-  end
-end
+Lutaml::Model::Config.xml_adapter_type = :nokogiri
+
+loader = Zeitwerk::Loader.for_gem(warn_on_extra_files: true)
+loader.push_dir("#{__dir__}/xsd", namespace: Lutaml::Xsd)
+loader.ignore("#{__dir__}/lib/lutaml/xsd.rb")
+loader.setup

lib/lutaml/xsd/annotation.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Annotation < Lutaml::Model::Serializable
+      attribute :documentation, Documentation, collection: true
+
+      xml do
+        root "annotation", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_element :documentation, to: :documentation
+      end
+    end
+  end
+end

lib/lutaml/xsd/any.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Any < Lutaml::Model::Serializable
+      attribute :namespace, :string
+      attribute :process_contents, :string
+
+      xml do
+        root "any", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_attribute :namespace, to: :namespace
+        map_attribute :processContents, to: :process_contents
+      end
+    end
+  end
+end

lib/lutaml/xsd/attribute.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Attribute < Lutaml::Model::Serializable
+      attribute :use, :string
+      attribute :name, :string
+      attribute :type, :string
+      attribute :default, :string
+      attribute :annotation, Annotation, collection: true
+      attribute :simple_type, SimpleType, collection: true
+
+      xml do
+        root "attribute", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_attribute :use, to: :use
+        map_attribute :name, to: :name
+        map_attribute :type, to: :type
+        map_attribute :default, to: :default
+        map_element :annotation, to: :annotation
+        map_element :simpleType, to: :simple_type
+      end
+    end
+  end
+end

lib/lutaml/xsd/attribute_group.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class AttributeGroup < Lutaml::Model::Serializable
+      attribute :name, :string
+      attribute :ref, :string
+      attribute :annotation, Annotation, collection: true
+      attribute :attribute, Attribute, collection: true
+
+      xml do
+        root "attributeGroup", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_attribute :ref, to: :ref
+        map_attribute :name, to: :name
+        map_element :annotation, to: :annotation
+        map_element :attribute, to: :attribute
+      end
+    end
+  end
+end

lib/lutaml/xsd/choice.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Sequence < Lutaml::Model::Serializable; end
+
+    class Choice < Lutaml::Model::Serializable
+      attribute :any, Any, collection: true
+      attribute :min_occurs, :string
+      attribute :max_occurs, :string
+      attribute :element, Element, collection: true
+      attribute :sequence, Sequence, collection: true
+      attribute :group, Group, collection: true
+
+      xml do
+        root "choice", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_attribute :minOccurs, to: :min_occurs
+        map_attribute :maxOccurs, to: :max_occurs
+        map_element :element, to: :element
+        map_element :sequence, to: :sequence
+        map_element :group, to: :group
+        map_element :any, to: :any
+      end
+    end
+  end
+end

lib/lutaml/xsd/complex_content.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class ComplexContent < Lutaml::Model::Serializable
+      attribute :extension, Extension, collection: true
+
+      xml do
+        root "complexContent", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_element :extension, to: :extension
+      end
+    end
+  end
+end

lib/lutaml/xsd/complex_type.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class ComplexType < Lutaml::Model::Serializable
+      attribute :name, :string
+      attribute :mixed, :string
+      attribute :abstract, :string
+      attribute :choice, Choice, collection: true
+      attribute :sequence, Sequence, collection: true
+      attribute :attribute, Attribute, collection: true
+      attribute :annotation, Annotation, collection: true
+      attribute :attribute_group, AttributeGroup, collection: true
+      attribute :simple_content, SimpleContent, collection: true
+      attribute :complex_content, ComplexContent, collection: true
+
+      xml do
+        root "complexType", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_attribute :name, to: :name
+        map_attribute :mixed, to: :mixed
+        map_attribute :abstract, to: :abstract
+        map_element :choice, to: :choice
+        map_element :sequence, to: :sequence
+        map_element :attribute, to: :attribute
+        map_element :annotation, to: :annotation
+        map_element :attributeGroup, to: :attribute_group
+        map_element :simpleContent, to: :simple_content
+        map_element :complexContent, to: :complex_content
+      end
+    end
+  end
+end

lib/lutaml/xsd/documentation.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Documentation < Lutaml::Model::Serializable
+      attribute :content, :string
+
+      xml do
+        root "documentation"
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_all to: :content
+      end
+    end
+  end
+end

lib/lutaml/xsd/element.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Element < Lutaml::Model::Serializable
+      attribute :name, :string
+      attribute :type, :string
+      attribute :default, :string
+      attribute :min_occurs, :string
+      attribute :max_occurs, :string
+      attribute :key, Key, collection: true
+      attribute :unique, Unique, collection: true
+      attribute :complex_type, ComplexType, collection: true
+      attribute :simple_type, SimpleType, collection: true
+      attribute :annotation, Annotation, collection: true
+
+      xml do
+        root "element", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_attribute :name, to: :name
+        map_attribute :type, to: :type
+        map_attribute :default, to: :default
+        map_attribute :minOccurs, to: :min_occurs
+        map_attribute :maxOccurs, to: :max_occurs
+        map_element :complexType, to: :complex_type
+        map_element :simpleType, to: :simple_type
+        map_element :annotation, to: :annotation
+        map_element :unique, to: :unique
+        map_element :key, to: :key
+      end
+    end
+  end
+end

lib/lutaml/xsd/enumeration.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Enumeration < Lutaml::Model::Serializable
+      attribute :value, :string
+      attribute :annotation, Annotation, collection: true
+
+      xml do
+        root "enumeration", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_attribute :value, to: :value
+        map_element :annotation, to: :annotation
+      end
+    end
+  end
+end

lib/lutaml/xsd/extension.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Extension < Lutaml::Model::Serializable
+      attribute :base, :string
+      attribute :sequence, Sequence, collection: true
+      attribute :attribute, Attribute, collection: true
+      attribute :annotation, Annotation, collection: true
+      attribute :attribute_group, AttributeGroup, collection: true
+
+      xml do
+        root "extension", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_attribute :base, to: :base
+        map_element :sequence, to: :sequence
+        map_element :attribute, to: :attribute
+        map_element :annotation, to: :annotation
+        map_element :attributeGroup, to: :attribute_group
+      end
+    end
+  end
+end

lib/lutaml/xsd/field.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Field < Lutaml::Model::Serializable
+      attribute :xpath, :string
+
+      xml do
+        root "field", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_attribute :xpath, to: :xpath
+      end
+    end
+  end
+end

lib/lutaml/xsd/group.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Sequence < Lutaml::Model::Serializable; end
+    class Choice < Lutaml::Model::Serializable; end
+
+    class Group < Lutaml::Model::Serializable
+      attribute :ref, :string
+      attribute :name, :string
+      attribute :min_occurs, :string
+      attribute :max_occurs, :string
+      attribute :choice, Choice, collection: true
+      attribute :sequence, Sequence, collection: true
+      attribute :annotation, Annotation, collection: true
+
+      xml do
+        root "group", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_attribute :ref, to: :ref
+        map_attribute :name, to: :name
+        map_attribute :minOccurs, to: :min_occurs
+        map_attribute :maxOccurs, to: :max_occurs
+        map_element :annotation, to: :annotation
+        map_element :sequence, to: :sequence
+        map_element :choice, to: :choice
+      end
+    end
+  end
+end

lib/lutaml/xsd/import.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Import < Lutaml::Model::Serializable
+      attribute :id, :string
+      attribute :namespace, :string
+
+      xml do
+        root "import", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_attribute :id, to: :id
+        map_attribute :namespace, to: :namespace
+      end
+    end
+  end
+end

lib/lutaml/xsd/include.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Lutaml
+  module Xsd
+    class Include < Lutaml::Model::Serializable
+      attribute :annotation, Annotation, collection: true
+
+      xml do
+        root "include", mixed: true
+        namespace "http://www.w3.org/2001/XMLSchema", "xsd"
+
+        map_element :annotation, to: :annotation
+      end
+    end
+  end
+end