84 lines
2.8 KiB
C#
84 lines
2.8 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="CompiledIdentityConstraint.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">[....]</owner>
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//------------------------------------------------------------------------------
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namespace System.Xml.Schema {
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using System.Text;
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using System.Collections;
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using System.Diagnostics;
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using System.Xml.XPath;
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using MS.Internal.Xml.XPath;
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internal class CompiledIdentityConstraint {
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internal XmlQualifiedName name = XmlQualifiedName.Empty;
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private ConstraintRole role;
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private Asttree selector;
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private Asttree[] fields;
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internal XmlQualifiedName refer = XmlQualifiedName.Empty;
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public enum ConstraintRole {
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Unique,
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Key,
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Keyref
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}
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public ConstraintRole Role {
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get { return this.role; }
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}
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public Asttree Selector {
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get { return this.selector; }
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}
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public Asttree[] Fields {
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get { return this.fields; }
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}
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public static readonly CompiledIdentityConstraint Empty = new CompiledIdentityConstraint();
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private CompiledIdentityConstraint() {}
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public CompiledIdentityConstraint(XmlSchemaIdentityConstraint constraint, XmlNamespaceManager nsmgr) {
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this.name = constraint.QualifiedName;
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//public Asttree (string xPath, bool isField, XmlNamespaceManager nsmgr)
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try {
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this.selector = new Asttree(constraint.Selector.XPath, false, nsmgr);
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}
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catch (XmlSchemaException e) {
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e.SetSource(constraint.Selector);
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throw e;
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}
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XmlSchemaObjectCollection fields = constraint.Fields;
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Debug.Assert(fields.Count > 0);
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this.fields = new Asttree[fields.Count];
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for(int idxField = 0; idxField < fields.Count; idxField ++) {
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try {
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this.fields[idxField] = new Asttree(((XmlSchemaXPath)fields[idxField]).XPath, true, nsmgr);
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}
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catch (XmlSchemaException e) {
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e.SetSource(constraint.Fields[idxField]);
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throw e;
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}
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}
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if (constraint is XmlSchemaUnique) {
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this.role = ConstraintRole.Unique;
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}
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else if (constraint is XmlSchemaKey) {
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this.role = ConstraintRole.Key;
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}
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else { // XmlSchemaKeyref
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this.role = ConstraintRole.Keyref;
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this.refer = ((XmlSchemaKeyref)constraint).Refer;
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}
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}
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}
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}
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