//
// System.Xml.Schema.XmlSchemaAll.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.Xml;
using System.Xml.Serialization;
namespace System.Xml.Schema{
/// <summary>
/// Summary description for XmlSchemaAll.
/// </summary>
public class XmlSchemaAll : XmlSchemaGroupBase
{
private XmlSchema schema;
private XmlSchemaObjectCollection items;
const string xmlname = "all";
private bool emptiable;
public XmlSchemaAll()
{
items = new XmlSchemaObjectCollection();
}
[XmlElement("element",typeof(XmlSchemaElement))]
public override XmlSchemaObjectCollection Items
{
get{ return items; }
}
internal bool Emptiable
{
get { return emptiable; }
}
internal override void SetParent (XmlSchemaObject parent)
{
base.SetParent (parent);
foreach (XmlSchemaObject obj in Items)
obj.SetParent (this);
}
/// <remarks>
/// 1. MaxOccurs must be one. (default is also one)
/// 2. MinOccurs must be zero or one.
/// </remarks>
internal override int Compile(ValidationEventHandler h, XmlSchema schema)
{
// If this is already compiled this time, simply skip.
if (CompilationId == schema.CompilationId)
return 0;
this.schema = schema;
if(MaxOccurs != Decimal.One)
error(h,"maxOccurs must be 1");
if(MinOccurs != Decimal.One && MinOccurs != Decimal.Zero)
error(h,"minOccurs must be 0 or 1");
XmlSchemaUtil.CompileID(Id, this, schema.IDCollection, h);
CompileOccurence (h, schema);
foreach(XmlSchemaObject obj in Items)
{
XmlSchemaElement elem = obj as XmlSchemaElement;
if(elem != null)
{
if(elem.ValidatedMaxOccurs != Decimal.One && elem.ValidatedMaxOccurs != Decimal.Zero)
{
elem.error (h,"The {max occurs} of all the elements of 'all' must be 0 or 1. ");
}
errorCount += elem.Compile(h, schema);
}
else
{
error(h,"XmlSchemaAll can only contain Items of type Element");
}
}
this.CompilationId = schema.CompilationId;
return errorCount;
}
internal override XmlSchemaParticle GetOptimizedParticle (bool isTop)
{
if (OptimizedParticle != null)
return OptimizedParticle;
if (Items.Count == 0 || ValidatedMaxOccurs == 0) {
OptimizedParticle = XmlSchemaParticle.Empty;
return OptimizedParticle;
}
else if (Items.Count == 1) {
if (ValidatedMinOccurs == 1 && ValidatedMaxOccurs == 1) {
XmlSchemaSequence seq = new XmlSchemaSequence ();
this.CopyInfo (seq);
XmlSchemaParticle p = (XmlSchemaParticle) Items [0];
p = p.GetOptimizedParticle (false);
if (p == XmlSchemaParticle.Empty)
OptimizedParticle = p;
else {
seq.Items.Add (p);
seq.CompiledItems.Add (p);
seq.Compile (null, schema);
OptimizedParticle = seq;
}
return OptimizedParticle;
}
}
XmlSchemaAll all = new XmlSchemaAll ();
CopyInfo (all);
CopyOptimizedItems (all);
OptimizedParticle = all;
all.ComputeEmptiable ();
return OptimizedParticle;
}
internal override int Validate(ValidationEventHandler h, XmlSchema schema)
{
if (IsValidated (schema.CompilationId))
return errorCount;
// 3.8.6 All Group Limited :: 1.
// Beware that this section was corrected: E1-26 of http://www.w3.org/2001/05/xmlschema-errata#Errata1
if (!this.parentIsGroupDefinition && ValidatedMaxOccurs != 1)
error (h, "-all- group is limited to be content of a model group, or that of a complex type with maxOccurs to be 1.");
CompiledItems.Clear ();
foreach (XmlSchemaParticle obj in Items) {
errorCount += obj.Validate (h, schema);
if (obj.ValidatedMaxOccurs != 0 &&
obj.ValidatedMaxOccurs != 1)
error (h, "MaxOccurs of a particle inside -all- compositor must be either 0 or 1.");
CompiledItems.Add (obj);
}
ComputeEmptiable ();
ValidationId = schema.ValidationId;
return errorCount;
}
private void ComputeEmptiable ()
{
emptiable = true;
for (int i = 0; i < Items.Count; i++) {
if (((XmlSchemaParticle) Items [i]).ValidatedMinOccurs > 0) {
emptiable = false;
break;
}
}
}
internal override bool ValidateDerivationByRestriction (XmlSchemaParticle baseParticle,
ValidationEventHandler h, XmlSchema schema, bool raiseError)
{
XmlSchemaAny any = baseParticle as XmlSchemaAny;
XmlSchemaAll derivedAll = baseParticle as XmlSchemaAll;
if (any != null) {
// NSRecurseCheckCardinality
return ValidateNSRecurseCheckCardinality (any, h, schema, raiseError);
} else if (derivedAll != null) {
// Recurse
if (!ValidateOccurenceRangeOK (derivedAll, h, schema, raiseError))
return false;
return ValidateRecurse (derivedAll, h, schema, raiseError);
}
else {
if (raiseError)
error (h, "Invalid -all- particle derivation was found.");
return false;
}
}
internal override decimal GetMinEffectiveTotalRange ()
{
return GetMinEffectiveTotalRangeAllAndSequence ();
}
internal override void ValidateUniqueParticleAttribution (XmlSchemaObjectTable qnames, ArrayList nsNames,
ValidationEventHandler h, XmlSchema schema)
{
foreach (XmlSchemaElement el in this.Items)
el.ValidateUniqueParticleAttribution (qnames, nsNames, h, schema);
}
internal override void ValidateUniqueTypeAttribution (XmlSchemaObjectTable labels,
ValidationEventHandler h, XmlSchema schema)
{
foreach (XmlSchemaElement el in this.Items)
el.ValidateUniqueTypeAttribution (labels, h, schema);
}
//<all
// id = ID
// maxOccurs = 1 : 1
// minOccurs = (0 | 1) : 1
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, element*)
//</all>
internal static XmlSchemaAll Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaAll all = new XmlSchemaAll();
reader.MoveToElement();
if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h,"Should not happen :1: XmlSchemaAll.Read, name="+reader.Name,null);
reader.SkipToEnd();
return null;
}
all.LineNumber = reader.LineNumber;
all.LinePosition = reader.LinePosition;
all.SourceUri = reader.BaseURI;
//Read Attributes
while(reader.MoveToNextAttribute())
{
if(reader.Name == "id")
{
all.Id = reader.Value;
}
else if(reader.Name == "maxOccurs")
{
try
{
all.MaxOccursString = reader.Value;
}
catch(Exception e)
{
error(h,reader.Value + " is an invalid value for maxOccurs",e);
}
}
else if(reader.Name == "minOccurs")
{
try
{
all.MinOccursString = reader.Value;
}
catch(Exception e)
{
error(h,reader.Value + " is an invalid value for minOccurs",e);
}
}
else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h,reader.Name + " is not a valid attribute for all",null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader,all);
}
}
reader.MoveToElement();
if(reader.IsEmptyElement)
return all;
//Content: (annotation?, element*)
int level = 1;
while(reader.ReadNextElement())
{
if(reader.NodeType == XmlNodeType.EndElement)
{
if(reader.LocalName != xmlname)
error(h,"Should not happen :2: XmlSchemaAll.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)
all.Annotation = annotation;
continue;
}
if(level <=2 && reader.LocalName == "element")
{
level = 2;
XmlSchemaElement element = XmlSchemaElement.Read(reader,h);
if(element != null)
all.items.Add(element);
continue;
}
reader.RaiseInvalidElementError();
}
return all;
}
}
}
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