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

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C# / CSharp Open Source » 2.6.4 mono .net core » System.Xml 
System.Xml » System » Xml » Schema » XmlSchemaSimpleContentRestriction.cs
// Author: Dwivedi, Ajay kumar
//            Adwiv@Yahoo.com

//
// 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.Xml;
using System.Xml.Serialization;

namespace System.Xml.Schema{
  /// <summary>
  /// Summary description for XmlSchemaSimpleContentRestriction.
  /// </summary>
  public class XmlSchemaSimpleContentRestriction : XmlSchemaContent
  {
    
    private XmlSchemaAnyAttribute any;
    private XmlSchemaObjectCollection attributes;
    private XmlSchemaSimpleType baseType;
    private XmlQualifiedName baseTypeName;
    private XmlSchemaObjectCollection facets;
    const string xmlname = "restriction";

    public XmlSchemaSimpleContentRestriction()
    {
      baseTypeName = XmlQualifiedName.Empty;
      attributes   = new XmlSchemaObjectCollection();
      facets     = new XmlSchemaObjectCollection();
    }

    [System.Xml.Serialization.XmlAttribute("base")]
    public XmlQualifiedName BaseTypeName 
    {
      get{ return  baseTypeName; }
      set{ baseTypeName = value; }
    }

    [XmlElement("simpleType", Type=typeof (XmlSchemaSimpleType))]
    public XmlSchemaSimpleType BaseType 
    { 
      get{ return  baseType; } 
      set{ baseType = value; } 
    }
    
    [XmlElement("minExclusive",typeof(XmlSchemaMinExclusiveFacet))]
    [XmlElement("minInclusive",typeof(XmlSchemaMinInclusiveFacet))] 
    [XmlElement("maxExclusive",typeof(XmlSchemaMaxExclusiveFacet))]
    [XmlElement("maxInclusive",typeof(XmlSchemaMaxInclusiveFacet))]
    [XmlElement("totalDigits",typeof(XmlSchemaTotalDigitsFacet))]
    [XmlElement("fractionDigits",typeof(XmlSchemaFractionDigitsFacet))]
    [XmlElement("length",typeof(XmlSchemaLengthFacet))]
    [XmlElement("minLength",typeof(XmlSchemaMinLengthFacet))]
    [XmlElement("maxLength",typeof(XmlSchemaMaxLengthFacet))]
    [XmlElement("enumeration",typeof(XmlSchemaEnumerationFacet))]
    [XmlElement("whiteSpace",typeof(XmlSchemaWhiteSpaceFacet))]
    [XmlElement("pattern",typeof(XmlSchemaPatternFacet))]
    public XmlSchemaObjectCollection Facets 
    { 
      get{ return facets; } 
    }

    [XmlElement("attribute",typeof(XmlSchemaAttribute))]
    [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef))]
    public XmlSchemaObjectCollection Attributes 
    {
      get{ return attributes; }
    }

    [XmlElement("anyAttribute")]
    public XmlSchemaAnyAttribute AnyAttribute 
    {
      get{ return  any; }
      set{ any = value; }
    }
    
    // internal properties
    internal override bool IsExtension {
      get { return false; }
    }

    internal override void SetParent (XmlSchemaObject parent)
    {
      base.SetParent (parent);
      if (BaseType != null)
        BaseType.SetParent (this);
      if (AnyAttribute != null)
        AnyAttribute.SetParent (this);
      foreach (XmlSchemaObject obj in Attributes)
        obj.SetParent (this);
    }

    ///<remarks>
    /// 1. Base must be present and a QName
    ///</remarks>
    internal override int Compile(ValidationEventHandler h, XmlSchema schema)
    {
      // If this is already compiled this time, simply skip.
      if (CompilationId == schema.CompilationId)
        return 0;

      if (this.isRedefinedComponent) {
        if (Annotation != null)
          Annotation.isRedefinedComponent = true;
        if (AnyAttribute != null)
          AnyAttribute.isRedefinedComponent = true;
        foreach (XmlSchemaObject obj in Attributes)
          obj.isRedefinedComponent = true;
      }

      if(BaseTypeName == null || BaseTypeName.IsEmpty)
      {
        error(h, "base must be present, as a QName");
      }
      else if(!XmlSchemaUtil.CheckQName(BaseTypeName))
        error(h,"BaseTypeName must be a QName");

      if(BaseType != null)
      {
        errorCount += BaseType.Compile(h,schema);
      }

      if(this.AnyAttribute != null)
      {
        errorCount += AnyAttribute.Compile(h,schema);
      }

      foreach(XmlSchemaObject obj in Attributes)
      {
        if(obj is XmlSchemaAttribute)
        {
          XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;
          errorCount += attr.Compile(h,schema);
        }
        else if(obj is XmlSchemaAttributeGroupRef)
        {
          XmlSchemaAttributeGroupRef atgrp = (XmlSchemaAttributeGroupRef) obj;
          errorCount += atgrp.Compile(h,schema);
        }
        else
          error(h,obj.GetType() +" is not valid in this place::SimpleContentRestriction");
      }
      
      //TODO: Compile Facets: Looks like they are a part of datatypes. So we'll do them with the datatypes

      
      XmlSchemaUtil.CompileID(Id,this,schema.IDCollection,h);
      this.CompilationId = schema.CompilationId;
      return errorCount;
    }
    
    internal override XmlQualifiedName GetBaseTypeName ()
    {
      return baseTypeName;
    }

    internal override XmlSchemaParticle GetParticle ()
    {
      return null;
    }

    internal override int Validate(ValidationEventHandler h, XmlSchema schema)
    {
      if (IsValidated (schema.ValidationId))
        return errorCount;

      if (baseType != null) {
        baseType.Validate (h, schema);
        actualBaseSchemaType = baseType;
      }
      else if (baseTypeName != XmlQualifiedName.Empty) {
        XmlSchemaType st = schema.FindSchemaType (baseTypeName);
        if (st != null) {
          st.Validate (h, schema);
          actualBaseSchemaType = st;
        } else if (baseTypeName == XmlSchemaComplexType.AnyTypeName) {
          actualBaseSchemaType = XmlSchemaComplexType.AnyType;
        } else if (XmlSchemaUtil.IsBuiltInDatatypeName (baseTypeName)) {
          actualBaseSchemaType = XmlSchemaDatatype.FromName (baseTypeName);
          if (actualBaseSchemaType == null)
            error (h, "Invalid schema datatype name is specified.");
        }
        // otherwise, it might be missing sub components.
        else if (!schema.IsNamespaceAbsent (baseTypeName.Namespace))
          error (h, "Referenced base schema type " + baseTypeName + " was not found in the corresponding schema.");
      }

      ValidationId = schema.ValidationId;
      return errorCount;
    }

    //<restriction 
    //base = QName 
    //id = ID 
    //{any attributes with non-schema namespace . . .}>
    //Content: (annotation?, (simpleType?, (minExclusive | minInclusive | maxExclusive | maxInclusive | totalDigits | fractionDigits | length | minLength | maxLength | enumeration | whiteSpace | pattern)*)?, ((attribute | attributeGroup)*, anyAttribute?))
    //</restriction>
    internal static XmlSchemaSimpleContentRestriction Read(XmlSchemaReader reader, ValidationEventHandler h)
    {
      XmlSchemaSimpleContentRestriction restriction = new XmlSchemaSimpleContentRestriction();
      reader.MoveToElement();

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

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

      while(reader.MoveToNextAttribute())
      {
        if(reader.Name == "base")
        {
          Exception innerex;
          restriction.baseTypeName = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);
          if(innerex != null)
            error(h, reader.Value + " is not a valid value for base attribute",innerex);
        }
        else if(reader.Name == "id")
        {
          restriction.Id = reader.Value;
        }
        else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
        {
          error(h,reader.Name + " is not a valid attribute for restriction",null);
        }
        else
        {
          XmlSchemaUtil.ReadUnhandledAttribute(reader,restriction);
        }
      }
      
      reader.MoveToElement();
      if(reader.IsEmptyElement)
        return restriction;
      
      //Content:  1.annotation?, 
      //        2.simpleType?, 
      //      3.(minExclusive |...| enumeration | whiteSpace | pattern)*, 
      //      4.(attribute | attributeGroup)*, 
      //      5.anyAttribute?
      int level = 1;
      while(reader.ReadNextElement())
      {
        if(reader.NodeType == XmlNodeType.EndElement)
        {
          if(reader.LocalName != xmlname)
            error(h,"Should not happen :2: XmlSchemaSimpleContentRestriction.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)
            restriction.Annotation = annotation;
          continue;
        }
        if(level <=2 && reader.LocalName == "simpleType")
        {
          level = 3;
          XmlSchemaSimpleType stype = XmlSchemaSimpleType.Read(reader,h);
          if(stype != null)
            restriction.baseType = stype;
          continue;
        }
        if(level <= 3)
        {
          if(reader.LocalName == "minExclusive")
          {
            level = 3;
            XmlSchemaMinExclusiveFacet minex = XmlSchemaMinExclusiveFacet.Read(reader,h);
            if(minex != null)
              restriction.facets.Add(minex);
            continue;
          }
          else if(reader.LocalName == "minInclusive")
          {
            level = 3;
            XmlSchemaMinInclusiveFacet mini = XmlSchemaMinInclusiveFacet.Read(reader,h);
            if(mini != null)
              restriction.facets.Add(mini);
            continue;
          }
          else if(reader.LocalName == "maxExclusive")
          {
            level = 3;
            XmlSchemaMaxExclusiveFacet maxex = XmlSchemaMaxExclusiveFacet.Read(reader,h);
            if(maxex != null)
              restriction.facets.Add(maxex);
            continue;
          }
          else if(reader.LocalName == "maxInclusive")
          {
            level = 3;
            XmlSchemaMaxInclusiveFacet maxi = XmlSchemaMaxInclusiveFacet.Read(reader,h);
            if(maxi != null)
              restriction.facets.Add(maxi);
            continue;
          }
          else if(reader.LocalName == "totalDigits")
          {
            level = 3;
            XmlSchemaTotalDigitsFacet total = XmlSchemaTotalDigitsFacet.Read(reader,h);
            if(total != null)
              restriction.facets.Add(total);
            continue;
          }
          else if(reader.LocalName == "fractionDigits")
          {
            level = 3;
            XmlSchemaFractionDigitsFacet fraction = XmlSchemaFractionDigitsFacet.Read(reader,h);
            if(fraction != null)
              restriction.facets.Add(fraction);
            continue;
          }
          else if(reader.LocalName == "length")
          {
            level = 3;
            XmlSchemaLengthFacet length = XmlSchemaLengthFacet.Read(reader,h);
            if(length != null)
              restriction.facets.Add(length);
            continue;
          }
          else if(reader.LocalName == "minLength")
          {
            level = 3;
            XmlSchemaMinLengthFacet minlen = XmlSchemaMinLengthFacet.Read(reader,h);
            if(minlen != null)
              restriction.facets.Add(minlen);
            continue;
          }
          else if(reader.LocalName == "maxLength")
          {
            level = 3;
            XmlSchemaMaxLengthFacet maxlen = XmlSchemaMaxLengthFacet.Read(reader,h);
            if(maxlen != null)
              restriction.facets.Add(maxlen);
            continue;
          }
          else if(reader.LocalName == "enumeration")
          {
            level = 3;
            XmlSchemaEnumerationFacet enumeration = XmlSchemaEnumerationFacet.Read(reader,h);
            if(enumeration != null)
              restriction.facets.Add(enumeration);
            continue;
          }
          else if(reader.LocalName == "whiteSpace")
          {
            level = 3;
            XmlSchemaWhiteSpaceFacet ws = XmlSchemaWhiteSpaceFacet.Read(reader,h);
            if(ws != null)
              restriction.facets.Add(ws);
            continue;
          }
          else if(reader.LocalName == "pattern")
          {
            level = 3;
            XmlSchemaPatternFacet pattern = XmlSchemaPatternFacet.Read(reader,h);
            if(pattern != null)
              restriction.facets.Add(pattern);
            continue;
          }
        }
        if(level <= 4)
        {
          if(reader.LocalName == "attribute")
          {
            level = 4;
            XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);
            if(attr != null)
              restriction.Attributes.Add(attr);
            continue;
          }
          if(reader.LocalName == "attributeGroup")
          {
            level = 4;
            XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);
            if(attr != null)
              restriction.attributes.Add(attr);
            continue;
          }
        }
        if(level <= 5 && reader.LocalName == "anyAttribute")
        {
          level = 6;
          XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);
          if(anyattr != null)
            restriction.AnyAttribute = anyattr;
          continue;
        }
        reader.RaiseInvalidElementError();
      }
      return restriction;
    }

  }
}
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