298 lines
8.5 KiB
C#
298 lines
8.5 KiB
C#
//
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// System.Xml.Schema.XmlSchemaAttributeGroup.cs
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//
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// Authors:
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// Dwivedi, Ajay kumar Adwiv@Yahoo.com
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// Enomoto, Atsushi ginga@kit.hi-ho.ne.jp
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections;
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using System.Xml.Serialization;
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using System.Xml;
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namespace System.Xml.Schema
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{
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/// <summary>
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/// Summary description for XmlSchemaAttributeGroup.
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/// </summary>
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public class XmlSchemaAttributeGroup : XmlSchemaAnnotated
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{
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private XmlSchemaAnyAttribute anyAttribute;
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private XmlSchemaObjectCollection attributes;
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private string name;
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private XmlSchemaAttributeGroup redefined;
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private XmlQualifiedName qualifiedName;
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const string xmlname = "attributeGroup";
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private XmlSchemaObjectTable attributeUses;
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private XmlSchemaAnyAttribute anyAttributeUse;
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internal bool AttributeGroupRecursionCheck;
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public XmlSchemaAttributeGroup()
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{
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attributes = new XmlSchemaObjectCollection();
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qualifiedName = XmlQualifiedName.Empty;
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}
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[System.Xml.Serialization.XmlAttribute("name")]
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public string Name
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{
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get{ return name;}
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set{ name = value;}
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}
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[XmlElement("attribute",typeof(XmlSchemaAttribute))]
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[XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef))]
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public XmlSchemaObjectCollection Attributes
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{
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get{ return attributes;}
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}
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internal XmlSchemaObjectTable AttributeUses
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{
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get { return attributeUses; }
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}
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internal XmlSchemaAnyAttribute AnyAttributeUse
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{
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get { return anyAttributeUse; }
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}
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[XmlElement("anyAttribute")]
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public XmlSchemaAnyAttribute AnyAttribute
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{
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get{ return anyAttribute;}
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set{ anyAttribute = value;}
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}
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//Undocumented property
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[XmlIgnore]
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public XmlSchemaAttributeGroup RedefinedAttributeGroup
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{
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get{ return redefined;}
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}
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[XmlIgnore]
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public XmlQualifiedName QualifiedName
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{
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get{ return qualifiedName;}
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}
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internal override void SetParent (XmlSchemaObject parent)
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{
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base.SetParent (parent);
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if (this.AnyAttribute != null)
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this.AnyAttribute.SetParent (this);
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foreach (XmlSchemaObject obj in Attributes)
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obj.SetParent (this);
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}
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/// <remarks>
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/// An Attribute group can only be defined as a child of XmlSchema or in XmlSchemaRedefine.
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/// The other attributeGroup has type XmlSchemaAttributeGroupRef.
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/// 1. Name must be present
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/// </remarks>
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internal override int Compile(ValidationEventHandler h, XmlSchema schema)
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{
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// If this is already compiled this time, simply skip.
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if (CompilationId == schema.CompilationId)
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return errorCount;
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errorCount = 0;
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if (redefinedObject != null) {
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errorCount += redefined.Compile (h, schema);
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if (errorCount == 0)
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redefined = (XmlSchemaAttributeGroup) redefinedObject;
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}
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XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);
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if(this.Name == null || this.Name == String.Empty) //1
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error(h,"Name is required in top level simpletype");
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else if(!XmlSchemaUtil.CheckNCName(this.Name)) // b.1.2
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error(h,"name attribute of a simpleType must be NCName");
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else
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this.qualifiedName = new XmlQualifiedName(this.Name, AncestorSchema.TargetNamespace);
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if(this.AnyAttribute != null)
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{
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errorCount += this.AnyAttribute.Compile(h, schema);
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}
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foreach(XmlSchemaObject obj in Attributes)
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{
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if(obj is XmlSchemaAttribute)
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{
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XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;
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errorCount += attr.Compile(h, schema);
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}
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else if(obj is XmlSchemaAttributeGroupRef)
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{
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XmlSchemaAttributeGroupRef gref = (XmlSchemaAttributeGroupRef) obj;
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errorCount += gref.Compile(h, schema);
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}
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else
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{
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error(h,"invalid type of object in Attributes property");
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}
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}
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this.CompilationId = schema.CompilationId;
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return errorCount;
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}
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internal override int Validate(ValidationEventHandler h, XmlSchema schema)
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{
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if (IsValidated (schema.CompilationId))
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return errorCount;
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if (redefined == null && redefinedObject != null) {
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redefinedObject.Compile (h, schema);
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redefined = (XmlSchemaAttributeGroup) redefinedObject;
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redefined.Validate (h, schema);
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}
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XmlSchemaObjectCollection actualAttributes = null;
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/*
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if (this.redefined != null) {
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actualAttributes = new XmlSchemaObjectCollection ();
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foreach (XmlSchemaObject obj in Attributes) {
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XmlSchemaAttributeGroupRef grp = obj as XmlSchemaAttributeGroupRef;
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if (grp != null && grp.QualifiedName == this.QualifiedName)
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actualAttributes.Add (redefined);
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else
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actualAttributes.Add (obj);
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}
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}
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else
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*/
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actualAttributes = Attributes;
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attributeUses = new XmlSchemaObjectTable ();
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errorCount += XmlSchemaUtil.ValidateAttributesResolved (attributeUses,
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h, schema, actualAttributes, AnyAttribute,
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ref anyAttributeUse, redefined, false);
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ValidationId = schema.ValidationId;
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return errorCount;
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}
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//<attributeGroup
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// id = ID
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// name = NCName
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// ref = QName // Not present in this class.
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// {any attributes with non-schema namespace . . .}>
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// Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))
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//</attributeGroup>
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internal static XmlSchemaAttributeGroup Read(XmlSchemaReader reader, ValidationEventHandler h)
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{
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XmlSchemaAttributeGroup attrgrp = new XmlSchemaAttributeGroup();
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reader.MoveToElement();
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if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
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{
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error(h,"Should not happen :1: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);
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reader.SkipToEnd();
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return null;
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}
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attrgrp.LineNumber = reader.LineNumber;
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attrgrp.LinePosition = reader.LinePosition;
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attrgrp.SourceUri = reader.BaseURI;
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while(reader.MoveToNextAttribute())
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{
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if(reader.Name == "id")
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{
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attrgrp.Id = reader.Value;
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}
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else if(reader.Name == "name")
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{
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attrgrp.name = reader.Value;
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}
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else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
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{
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error(h,reader.Name + " is not a valid attribute for attributeGroup in this context",null);
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}
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else
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{
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XmlSchemaUtil.ReadUnhandledAttribute(reader,attrgrp);
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}
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}
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reader.MoveToElement();
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if(reader.IsEmptyElement)
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return attrgrp;
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//Content: 1.annotation?, 2.(attribute | attributeGroup)*, 3.anyAttribute?
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int level = 1;
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while(reader.ReadNextElement())
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{
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if(reader.NodeType == XmlNodeType.EndElement)
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{
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if(reader.LocalName != xmlname)
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error(h,"Should not happen :2: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);
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break;
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}
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if(level <= 1 && reader.LocalName == "annotation")
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{
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level = 2; //Only one annotation
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XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
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if(annotation != null)
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attrgrp.Annotation = annotation;
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continue;
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}
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if(level <= 2)
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{
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if(reader.LocalName == "attribute")
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{
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level = 2;
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XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);
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if(attr != null)
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attrgrp.Attributes.Add(attr);
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continue;
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}
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if(reader.LocalName == "attributeGroup")
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{
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level = 2;
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XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);
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if(attr != null)
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attrgrp.attributes.Add(attr);
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continue;
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}
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}
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if(level <= 3 && reader.LocalName == "anyAttribute")
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{
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level = 4;
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XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);
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if(anyattr != null)
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attrgrp.AnyAttribute = anyattr;
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continue;
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}
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reader.RaiseInvalidElementError();
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}
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return attrgrp;
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}
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}
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}
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