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//
// ProjectedSegment.cs
//
// Author:
// Mike Krüger <mkrueger@xamarin.com>
//
// Copyright (c) 2015 Xamarin Inc. (http://xamarin.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 MonoDevelop.Core.Text;
namespace MonoDevelop.Ide.Editor.Projection
{
public struct ProjectedSegment
{
public int Offset {
get;
private set;
}
public int ProjectedOffset {
get;
private set;
}
public int Length {
get;
private set;
}
public ProjectedSegment (int offset, int projectedOffset, int length)
: this ()
{
this.Offset = offset;
this.ProjectedOffset = projectedOffset;
this.Length = length;
}
public bool ContainsOriginal (int offset)
{
return Offset <= offset && offset < Offset + Length;
}
public bool ContainsProjected (int offset)
{
return ProjectedOffset <= offset && offset < ProjectedOffset + Length;
}
public bool IsInOriginal (ISegment segment)
{
if (segment == null)
throw new ArgumentNullException ("segment");
return segment.Contains(Offset) && segment.Contains (Offset + Length);
}
public ISegment FromOriginalToProjected (ISegment segment)
{
return new TextSegment (segment.Offset - Offset + ProjectedOffset, segment.Length);
}
public int FromOriginalToProjected (int offset)
{
return offset - Offset + ProjectedOffset;
}
public int FromProjectedToOriginal (int offset)
{
return offset + Offset - ProjectedOffset;
}
}
}
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