// Copyright (c) AlphaSierraPapa for the SharpDevelop Team // // 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; namespace ICSharpCode.NRefactory.Editor { /// /// An (Offset,Length)-pair. /// public interface ISegment { /// /// Gets the start offset of the segment. /// int Offset { get; } /// /// Gets the length of the segment. /// /// For line segments (IDocumentLine), the length does not include the line delimeter. int Length { get; } /// /// Gets the end offset of the segment. /// /// EndOffset = Offset + Length; int EndOffset { get; } } /// /// Extension methods for . /// public static class ISegmentExtensions { /// /// Gets whether fully contains the specified segment. /// /// /// Use segment.Contains(offset, 0) to detect whether a segment (end inclusive) contains offset; /// use segment.Contains(offset, 1) to detect whether a segment (end exclusive) contains offset. /// public static bool Contains (this ISegment segment, int offset, int length) { return segment.Offset <= offset && offset + length <= segment.EndOffset; } /// /// Gets whether fully contains the specified segment. /// public static bool Contains (this ISegment thisSegment, ISegment segment) { return segment != null && thisSegment.Offset <= segment.Offset && segment.EndOffset <= thisSegment.EndOffset; } } }