XmlSchemaAnyAttribute.cs :  » 2.6.4-mono-.net-core » System.Xml » System » Xml » Schema » C# / CSharp Open Source

//
// System.Xml.Schema.XmlSchemaAnyAttribute.cs
//
// Author:
//  Dwivedi, Ajay kumar  Adwiv@Yahoo.com
//  Atsushi Enomoto  ginga@kit.hi-ho.ne.jp
//

//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Collections.Specialized;
using System.Xml;
using System.ComponentModel;
using System.Xml.Serialization;
using Mono.Xml.Schema;

namespace System.Xml.Schema{
  /// <summary>
  /// Summary description for XmlSchemaAnyAttribute.
  /// </summary>
  public class XmlSchemaAnyAttribute : XmlSchemaAnnotated
  {
    private string nameSpace;
    private XmlSchemaContentProcessing processing;
    const string xmlname = "anyAttribute";
    private XsdWildcard wildcard;

    public XmlSchemaAnyAttribute()
    {
      wildcard = new XsdWildcard (this);
    }

    [System.Xml.Serialization.XmlAttribute("namespace")]
    public string Namespace 
    { 
      get{ return nameSpace; } 
      set{ nameSpace = value; } 
    }
    
    [DefaultValue(XmlSchemaContentProcessing.None)]
    [System.Xml.Serialization.XmlAttribute("processContents")]
    public XmlSchemaContentProcessing ProcessContents 
    { 
      get{ return processing; } 
      set{ processing = value; }
    }

    // Internal
    internal bool HasValueAny {
      get { return wildcard.HasValueAny; }
    }

    internal bool HasValueLocal {
      get { return wildcard.HasValueLocal; }
    }

    internal bool HasValueOther {
      get { return wildcard.HasValueOther; }
    }

    internal bool HasValueTargetNamespace {
      get { return wildcard.HasValueTargetNamespace; }
    }

    internal StringCollection ResolvedNamespaces {
      get { return wildcard.ResolvedNamespaces; }
    }

    internal XmlSchemaContentProcessing ResolvedProcessContents 
    { 
      get{ return wildcard.ResolvedProcessing; } 
    }

    internal string TargetNamespace
    {
      get { return wildcard.TargetNamespace; }
    }

    /// <remarks>
    /// 1. id must be of type ID
    /// 2. namespace can have one of the following values:
    ///    a) ##any or ##other
    ///    b) list of anyURI and ##targetNamespace and ##local
    /// </remarks>
    internal override int Compile(ValidationEventHandler h, XmlSchema schema)
    {
      // If this is already compiled this time, simply skip.
      if (CompilationId == schema.CompilationId)
        return 0;

      errorCount = 0;

      wildcard.TargetNamespace = AncestorSchema.TargetNamespace;
      if (wildcard.TargetNamespace == null)
        wildcard.TargetNamespace = "";

      XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);

      wildcard.Compile (Namespace, h, schema);

      if (processing == XmlSchemaContentProcessing.None)
        wildcard.ResolvedProcessing = XmlSchemaContentProcessing.Strict;
      else
        wildcard.ResolvedProcessing = processing;

      this.CompilationId = schema.CompilationId;
      return errorCount;
    }
    
    internal override int Validate(ValidationEventHandler h, XmlSchema schema)
    {
      return errorCount;
    }

    // 3.10.6 Wildcard Subset
    internal void ValidateWildcardSubset (XmlSchemaAnyAttribute other,
      ValidationEventHandler h, XmlSchema schema)
    {
      wildcard.ValidateWildcardSubset (other.wildcard, h, schema);

    }

    internal bool ValidateWildcardAllowsNamespaceName (string ns, XmlSchema schema)
    {
      return wildcard.ValidateWildcardAllowsNamespaceName (ns, null, schema, false);
    }

    //<anyAttribute
    //  id = ID
    //  namespace = ((##any | ##other) | List of (anyURI | (##targetNamespace | ##local)) )  : ##any
    //  processContents = (lax | skip | strict) : strict
    //  {any attributes with non-schema namespace . . .}>
    //  Content: (annotation?)
    //</anyAttribute>
    internal static XmlSchemaAnyAttribute Read(XmlSchemaReader reader, ValidationEventHandler h)
    {
      XmlSchemaAnyAttribute any = new XmlSchemaAnyAttribute();
      reader.MoveToElement();

      if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
      {
        error(h,"Should not happen :1: XmlSchemaAnyAttribute.Read, name="+reader.Name,null);
        reader.SkipToEnd();
        return null;
      }

      any.LineNumber = reader.LineNumber;
      any.LinePosition = reader.LinePosition;
      any.SourceUri = reader.BaseURI;

      while(reader.MoveToNextAttribute())
      {
        if(reader.Name == "id")
        {
          any.Id = reader.Value;
        }
        else if(reader.Name == "namespace")
        {
          any.nameSpace = reader.Value;
        }
        else if(reader.Name == "processContents")
        {
          Exception innerex;
          any.processing = XmlSchemaUtil.ReadProcessingAttribute(reader,out innerex);
          if(innerex != null)
            error(h, reader.Value + " is not a valid value for processContents",innerex);
        }
        else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
        {
          error(h,reader.Name + " is not a valid attribute for anyAttribute",null);
        }
        else
        {
          XmlSchemaUtil.ReadUnhandledAttribute(reader,any);
        }
      }
      
      reader.MoveToElement();
      if(reader.IsEmptyElement)
        return any;

      //  Content: (annotation?)
      int level = 1;
      while(reader.ReadNextElement())
      {
        if(reader.NodeType == XmlNodeType.EndElement)
        {
          if(reader.LocalName != xmlname)
            error(h,"Should not happen :2: XmlSchemaAnyAttribute.Read, name="+reader.Name,null);
          break;
        }
        if(level <= 1 && reader.LocalName == "annotation")
        {
          level = 2;  //Only one annotation
          XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
          if(annotation != null)
            any.Annotation = annotation;
          continue;
        }
        reader.RaiseInvalidElementError();
      }  
      return any;
    }
  }
}