56 lines
1.9 KiB
C#
56 lines
1.9 KiB
C#
// <copyright>
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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namespace System.Activities.Debugger
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{
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using System.Diagnostics;
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// Immutable, start and end always non-null.
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[DebuggerDisplay("({Start.LineNumber.Value}:{Start.LinePosition.Value}) - ({End.LineNumber.Value}:{End.LinePosition.Value})")]
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internal class DocumentRange : IEquatable<DocumentRange>
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{
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private DocumentLocation start;
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private DocumentLocation end;
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internal DocumentRange(DocumentLocation start, DocumentLocation end)
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{
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UnitTestUtility.Assert(start != null, "DocumentRange.Start cannot be null");
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UnitTestUtility.Assert(end != null, "DocumentRange.End cannot be null");
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UnitTestUtility.Assert((start.LineNumber.Value < end.LineNumber.Value) || ((start.LineNumber.Value == end.LineNumber.Value) && (start.LinePosition.Value <= end.LinePosition.Value)), "Start cannot before go after End.");
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this.start = start;
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this.end = end;
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}
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internal DocumentRange(int startLineNumber, int startLinePosition, int endLineNumber, int endLinePosition)
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: this(new DocumentLocation(startLineNumber, startLinePosition), new DocumentLocation(endLineNumber, endLinePosition))
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{
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}
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internal DocumentLocation Start
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{
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get { return this.start; }
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}
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internal DocumentLocation End
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{
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get { return this.end; }
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}
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public bool Equals(DocumentRange other)
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{
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if (other == null)
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{
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return false;
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}
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return this.Start.Equals(other.Start) && this.End.Equals(other.End);
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}
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public override int GetHashCode()
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{
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return this.Start.GetHashCode() ^ this.End.GetHashCode();
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}
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}
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}
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