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//
// XmlSchemaGroupBase.cs
//
// Authors:
// Dwivedi, Ajay kumar Adwiv@Yahoo.com
// Atsushi Enomoto atsushi@ximian.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.Collections;
using System.Xml.Serialization;
namespace System.Xml.Schema
{
public abstract class XmlSchemaGroupBase : XmlSchemaParticle
{
private XmlSchemaObjectCollection compiledItems;
protected XmlSchemaGroupBase ()
{
compiledItems = new XmlSchemaObjectCollection ();
}
[XmlIgnore]
public abstract XmlSchemaObjectCollection Items { get; }
internal XmlSchemaObjectCollection CompiledItems
{
get{ return compiledItems; }
}
internal void CopyOptimizedItems (XmlSchemaGroupBase gb)
{
for (int i = 0; i < Items.Count; i++) {
XmlSchemaParticle p = Items [i] as XmlSchemaParticle;
p = p.GetOptimizedParticle (false);
if (p == XmlSchemaParticle.Empty)
continue;
gb.Items.Add (p);
gb.CompiledItems.Add (p);
}
}
internal override bool ParticleEquals (XmlSchemaParticle other)
{
XmlSchemaGroupBase gb = other as XmlSchemaGroupBase;
if (gb == null)
return false;
if (this.GetType () != gb.GetType ())
return false;
if (this.ValidatedMaxOccurs != gb.ValidatedMaxOccurs ||
this.ValidatedMinOccurs != gb.ValidatedMinOccurs)
return false;
if (this.CompiledItems.Count != gb.CompiledItems.Count)
return false;
for (int i = 0; i < CompiledItems.Count; i++) {
XmlSchemaParticle p1 = this.CompiledItems [i] as XmlSchemaParticle;
XmlSchemaParticle p2 = gb.CompiledItems [i] as XmlSchemaParticle;
if (!p1.ParticleEquals (p2))
return false;
}
return true;
}
internal override void CheckRecursion (Stack stack, ValidationEventHandler h, XmlSchema schema)
{
foreach (XmlSchemaParticle p in this.Items)
p.CheckRecursion (stack, h, schema);
}
internal bool ValidateNSRecurseCheckCardinality (XmlSchemaAny any,
ValidationEventHandler h, XmlSchema schema, bool raiseError)
{
foreach (XmlSchemaParticle p in Items)
if (!p.ValidateDerivationByRestriction (any, h, schema, raiseError))
return false;
return ValidateOccurenceRangeOK (any, h, schema, raiseError);
}
internal bool ValidateRecurse (XmlSchemaGroupBase baseGroup,
ValidationEventHandler h, XmlSchema schema, bool raiseError)
{
return ValidateSeqRecurseMapSumCommon (baseGroup, h, schema, false, false, raiseError);
}
internal bool ValidateSeqRecurseMapSumCommon (XmlSchemaGroupBase baseGroup,
ValidationEventHandler h, XmlSchema schema, bool isLax, bool isMapAndSum, bool raiseError)
{
int index = 0;
int baseIndex = 0;
decimal baseOccured = 0;
if (baseGroup.CompiledItems.Count == 0 && this.CompiledItems.Count > 0) {
if (raiseError)
error (h, "Invalid particle derivation by restriction was found. base particle does not contain particles.");
return false;
}
for (int i = 0; i < CompiledItems.Count; i++) {
// get non-empty derived particle
XmlSchemaParticle pd = null;
while (this.CompiledItems.Count > index) {
pd = ((XmlSchemaParticle) this.CompiledItems [index]);//.GetOptimizedParticle (false);
if (pd != XmlSchemaParticle.Empty)// && pd.ValidatedMaxOccurs > 0)
break;
else
index++;
}
if (index >= CompiledItems.Count) {
if (raiseError)
error (h, "Invalid particle derivation by restriction was found. Cannot be mapped to base particle.");
return false;
}
// get non-empty base particle
XmlSchemaParticle pb = null;
while (baseGroup.CompiledItems.Count > baseIndex) {
pb = ((XmlSchemaParticle) baseGroup.CompiledItems [baseIndex]);//.GetOptimizedParticle (false);
if (pb == XmlSchemaParticle.Empty && pb.ValidatedMaxOccurs > 0)
continue;
if (!pd.ValidateDerivationByRestriction (pb, h, schema, false)) {
if (!isLax && !isMapAndSum && pb.MinOccurs > baseOccured && !pb.ValidateIsEmptiable ()) {
if (raiseError)
error (h, "Invalid particle derivation by restriction was found. Invalid sub-particle derivation was found.");
return false;
}
else {
baseOccured = 0;
baseIndex++;
}
} else {
baseOccured += pb.ValidatedMinOccurs;
if (baseOccured >= baseGroup.ValidatedMaxOccurs) {
baseOccured = 0;
baseIndex++;
}
index++;
break;
}
}
}
if (this.CompiledItems.Count > 0 && index != this.CompiledItems.Count) {
if (raiseError)
error (h, "Invalid particle derivation by restriction was found. Extraneous derived particle was found.");
return false;
}
if (!isLax && !isMapAndSum) {
if (baseOccured > 0)
baseIndex++;
for (int i = baseIndex; i < baseGroup.CompiledItems.Count; i++) {
XmlSchemaParticle p = baseGroup.CompiledItems [i] as XmlSchemaParticle;
if (!p.ValidateIsEmptiable ()) {
if (raiseError)
error (h, "Invalid particle derivation by restriction was found. There is a base particle which does not have mapped derived particle and is not emptiable.");
return false;
}
}
}
return true;
}
}
}
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