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Diffstat (limited to 'main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor/Projection/ProjectedSegment.cs')
-rw-r--r-- | main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor/Projection/ProjectedSegment.cs | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor/Projection/ProjectedSegment.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor/Projection/ProjectedSegment.cs new file mode 100644 index 0000000000..8a49d40ca3 --- /dev/null +++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor/Projection/ProjectedSegment.cs @@ -0,0 +1,89 @@ +// +// 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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