276 lines
8.2 KiB
C#
276 lines
8.2 KiB
C#
//
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// System.Xml.Schema.XmlSchemaSimpleContentExtension.cs
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//
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// Author:
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// Dwivedi, Ajay kumar Adwiv@Yahoo.com
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// Atsushi Enomoto 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.Xml;
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using System.Xml.Serialization;
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namespace System.Xml.Schema
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{
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/// <summary>
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/// Summary description for XmlSchemaSimpleContentExtension.
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/// </summary>
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public class XmlSchemaSimpleContentExtension : XmlSchemaContent
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{
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private XmlSchemaAnyAttribute any;
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private XmlSchemaObjectCollection attributes;
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private XmlQualifiedName baseTypeName;
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const string xmlname = "extension";
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public XmlSchemaSimpleContentExtension()
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{
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baseTypeName = XmlQualifiedName.Empty;
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attributes = new XmlSchemaObjectCollection();
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}
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[System.Xml.Serialization.XmlAttribute("base")]
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public XmlQualifiedName BaseTypeName
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{
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get{ return baseTypeName; }
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set{ baseTypeName = 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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[XmlElement("anyAttribute")]
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public XmlSchemaAnyAttribute AnyAttribute
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{
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get{ return any; }
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set{ any = value; }
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}
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// internal properties
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internal override bool IsExtension {
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get { return true; }
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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 (AnyAttribute != null)
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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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/// 1. Base must be present and a QName
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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 0;
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if (this.isRedefinedComponent) {
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if (Annotation != null)
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Annotation.isRedefinedComponent = true;
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if (AnyAttribute != null)
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AnyAttribute.isRedefinedComponent = true;
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foreach (XmlSchemaObject obj in Attributes)
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obj.isRedefinedComponent = true;
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}
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if(BaseTypeName == null || BaseTypeName.IsEmpty)
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{
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error(h, "base must be present, as a QName");
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}
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else if(!XmlSchemaUtil.CheckQName(BaseTypeName))
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error(h,"BaseTypeName must be a QName");
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if(this.AnyAttribute != null)
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{
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errorCount += 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 atgrp = (XmlSchemaAttributeGroupRef) obj;
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errorCount += atgrp.Compile(h,schema);
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}
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else
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error(h,obj.GetType() +" is not valid in this place::SimpleConentExtension");
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}
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XmlSchemaUtil.CompileID(Id,this,schema.IDCollection,h);
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this.CompilationId = schema.CompilationId;
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return errorCount;
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}
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internal override XmlQualifiedName GetBaseTypeName ()
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{
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return baseTypeName;
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}
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internal override XmlSchemaParticle GetParticle ()
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{
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return null;
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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.ValidationId))
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return errorCount;
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XmlSchemaType st = schema.FindSchemaType (baseTypeName);
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if (st != null) {
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XmlSchemaComplexType ct = st as XmlSchemaComplexType;
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if (ct != null && ct.ContentModel is XmlSchemaComplexContent)
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error (h, "Specified type is complex type which contains complex content.");
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st.Validate (h, schema);
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actualBaseSchemaType = st;
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} else if (baseTypeName == XmlSchemaComplexType.AnyTypeName) {
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actualBaseSchemaType = XmlSchemaComplexType.AnyType;
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} else if (XmlSchemaUtil.IsBuiltInDatatypeName (baseTypeName)) {
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actualBaseSchemaType = XmlSchemaDatatype.FromName (baseTypeName);
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if (actualBaseSchemaType == null)
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error (h, "Invalid schema datatype name is specified.");
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}
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// otherwise, it might be missing sub components.
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else if (!schema.IsNamespaceAbsent (baseTypeName.Namespace))
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error (h, "Referenced base schema type " + baseTypeName + " was not found in the corresponding schema.");
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ValidationId = schema.ValidationId;
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return errorCount;
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}
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//<extension
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//base = QName
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//id = ID
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//{any attributes with non-schema namespace . . .}>
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//Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))
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//</extension>
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internal static XmlSchemaSimpleContentExtension Read(XmlSchemaReader reader, ValidationEventHandler h)
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{
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XmlSchemaSimpleContentExtension extension = new XmlSchemaSimpleContentExtension();
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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.Skip();
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return null;
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}
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extension.LineNumber = reader.LineNumber;
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extension.LinePosition = reader.LinePosition;
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extension.SourceUri = reader.BaseURI;
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while(reader.MoveToNextAttribute())
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{
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if(reader.Name == "base")
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{
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Exception innerex;
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extension.baseTypeName= XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);
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if(innerex != null)
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error(h, reader.Value + " is not a valid value for base attribute",innerex);
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}
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else if(reader.Name == "id")
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{
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extension.Id = 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 extension in this context",null);
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}
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else
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{
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XmlSchemaUtil.ReadUnhandledAttribute(reader,extension);
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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 extension;
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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: XmlSchemaSimpleContentExtension.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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extension.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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extension.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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extension.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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extension.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 extension;
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}
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}
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}
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