[gxml] Added initial XSD interfaces definition

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 9f3b293e8132b2c74faf72ecd5ad75f8339b618e
Author: Daniel Espinosa <esodan gmail com>
Date:   Sun Jan 22 19:38:25 2017 -0600

    Added initial XSD interfaces definition

 gxml/Makefile.am |    1 +
 gxml/Schema.vala |  199 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 200 insertions(+), 0 deletions(-)
---
diff --git a/gxml/Makefile.am b/gxml/Makefile.am
index fb901ff..11e46df 100644
--- a/gxml/Makefile.am
+++ b/gxml/Makefile.am
@@ -92,6 +92,7 @@ sources = \
        GomProperty.vala \
        Parser.vala \
        XParser.vala \
+       Schema.vala \
        $(NULL)
 
 
diff --git a/gxml/Schema.vala b/gxml/Schema.vala
new file mode 100644
index 0000000..e17174e
--- /dev/null
+++ b/gxml/Schema.vala
@@ -0,0 +1,199 @@
+/* -*- Mode: vala; indent-tabs-mode: nil; c-basic-offset: 2; tab-width: 2 -*- */
+/*
+ *
+ * Copyright (C) 2016  Daniel Espinosa <esodan gmail com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *      Daniel Espinosa <esodan gmail com>
+ */
+using GXml;
+
+public interface GXml.XsdSchema : GLib.Object, DomElement {
+  public const string SCHEMA_NODE_NAME = "schema";
+  public const string SCHEMA_NAMESPACE_URI = "http://www.w3.org/2001/XMLSchema";;
+  public const string SCHEMA_NAMESPACE_PREFIX = "xs";
+  public abstract XsdList elements { get; set; }
+  public abstract XsdList simple_types { get; set; }
+}
+
+public errordomain GXml.SchemaError {
+  INVALIDATION_ERROR
+}
+public interface GXml.XsdSimpleType: Object, DomElement, XsdBaseType {
+  public const string SCHEMA_NODE_NAME = "simpleType";
+  /**
+   * (#all | List of (list | union | restriction | extension))
+   */
+  public abstract string final { get; set; }
+  public abstract string id { get; set; }
+  public abstract string name { get; set; }
+  public abstract XsdAnnotation annotation { get; set; }
+}
+public interface GXml.XsdSimpleTypeDefinition : Object {}
+public interface GXml.XsdTypeRestriction : Object, XsdSimpleTypeDefinition {
+  public abstract string base { get; set; }
+  public abstract string id { get; set; }
+  public abstract XsdAnnotation annotation { get; set; }
+  public abstract XsdSimpleType simple_type { get; set; }
+  /**
+   * List of {link XsdTypeRestrictionDefinition} objects
+   */
+  public abstract XsdList definition { get; set; }
+}
+public interface GXml.XsdTypeList: Object {}
+public interface GXml.XsdTypeUnion : Object {}
+
+public interface GXml.XsdTypeRestrictionDefinition : Object {
+  public abstract XsdAnnotation annotation { get; set; }
+}
+public interface GXml.XsdTypeRestrictionMinExclusive : Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionMinInclusive : Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionMaxExclusive : Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionMaxInclusive : Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionTotalDigits : Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionFractionDigits : Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionLength : Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionMinLength : Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionMaxLength : Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionEnumeration : Object, XsdTypeRestrictionDefinition {
+  public const string SCHEMA_NODE_NAME = "enumeration";
+  public abstract string id { get; set; }
+  public abstract string value { get; set; }
+}
+public interface GXml.XsdTypeRestrictionWhiteSpace: Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionPattern : Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionAssertion : Object, XsdTypeRestrictionDefinition {}
+public interface GXml.XsdTypeRestrictionExplicitTimezone : Object, XsdTypeRestrictionDefinition {}
+
+public interface GXml.XsdComplexType : Object, DomElement, XsdBaseType {
+  public const string SCHEMA_NODE_NAME = "complexType";
+  /**
+  * attribute name = abstract
+  */
+  public abstract bool abstract { get; set; default = false; }
+  /**
+  * (#all | List of (extension | restriction))
+  */
+  public abstract string block { get; set; }
+  /**
+  * (#all | List of (extension | restriction))
+  */
+  public abstract string final { get; set; }
+  public abstract string id { get; set; }
+  public abstract bool mixed { get; set; }
+  public abstract string name { get; set; }
+  /**
+   * defaultAttributesApply
+   */
+  public abstract bool default_attributes_apply { get; set; default = true; }
+  public abstract XsdList anotations { get; set; }
+  /**
+   * A {@link XsdComplexType} or {@link XsdSimpleType}
+   */
+  public abstract XsdBaseContent content_type { get; set; }
+  /**
+   * List of type {@link XsdAttribute} definitions
+   */
+  public abstract XsdList attributes { get; set; }
+  /**
+   * List of type {@link XsdGroupAttribute} definitions
+   */
+  public abstract XsdList group_attributes { get; set; }
+}
+
+public interface GXml.XsdExtension : Object, DomElement {
+  public const string SCHEMA_NODE_NAME = "extension";
+  public abstract string base { get; set; }
+}
+
+public interface GXml.XsdElement : Object, DomElement {
+  public const string SCHEMA_NODE_NAME = "simpleType";
+  /**
+  * attribute name = abstract
+  */
+  public abstract bool abstract { get; set; }
+  /**
+   * (#all | List of (extension | restriction | substitution))
+  */
+  public abstract string block { get; set; }
+  public abstract string default { get; set; }
+  /**
+   * (#all | List of (extension | restriction))
+   */
+  public abstract string final { get; set; }
+  public abstract string fixed { get; set; }
+  /**
+   * (qualified | unqualified)
+   */
+  public abstract string form { get; set; }
+  public abstract string id { get; set; }
+  /**
+   * (nonNegativeInteger | unbounded)  : 1
+   */
+  public abstract string maxOccurs { get; set; }
+  /**
+   * nonNegativeInteger : 1
+   */
+  public abstract string minOccurs { get; set; }
+  public abstract string name { get; set; }
+  public abstract bool nillable { get; set; default = false; }
+  public abstract string ref { get; set; }
+  /**
+   * substitutionGroup
+   */
+  public abstract DomTokenList substitution_group { get; set; }
+  /**
+   * targetNamespace
+   */
+  public abstract string target_namespace { get; set; }
+  /**
+   * attribute name = 'type'
+   */
+  public abstract string object_type { get; set; }
+  public abstract XsdAnnotation anotation { get; set; }
+  /**
+   * A {@link XsdComplexType} or {@link XsdSimpleType} list of elements
+   */
+  public abstract XsdList type_definition { get; set; }
+  // TODO: Missing: ((simpleType | complexType)?, alternative*, (unique | key | keyref)*))
+}
+
+public interface GXml.XsdAnnotation : Object {}
+
+public interface GXml.XsdBaseType : Object {}
+
+public interface GXml.XsdBaseContent : Object {}
+public interface GXml.XsdSimpleContent : Object, XsdBaseContent {
+  public const string SCHEMA_NODE_NAME = "simpleContent";
+}
+public interface GXml.XsdComplexContent : Object, XsdBaseContent {
+  public const string SCHEMA_NODE_NAME = "complexContent";
+}
+public interface GXml.XsdOpenContent : Object, XsdBaseContent {}
+
+public interface GXml.XsdBaseAttribute : Object {}
+public interface GXml.XsdAttribute : Object {}
+public interface GXml.XsdAttributeGroup : Object {}
+
+public interface GXml.XsdList : Object {
+  public abstract Type item_type { get; construct set; }
+  public abstract Type item_node_name { get; construct set; }
+  public abstract int length { get; }
+  public abstract DomElement? index (int index);
+  public abstract void add (DomElement element);
+  public abstract void remove (int index);
+  public abstract int index_of (DomElement element);
+}