142 lines
4.3 KiB
C#
142 lines
4.3 KiB
C#
// This file is part of YamlDotNet - A .NET library for YAML.
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// Copyright (c) Antoine Aubry and contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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// of the Software, and to permit persons to whom the Software is furnished to do
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// so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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using System;
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namespace YamlDotNet.Core
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{
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/// <summary>
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/// Represents a location inside a file
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/// </summary>
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public sealed class Mark : IEquatable<Mark>, IComparable<Mark>, IComparable
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{
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/// <summary>
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/// Gets a <see cref="Mark"/> with empty values.
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/// </summary>
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public static readonly Mark Empty = new Mark();
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/// <summary>
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/// Gets / sets the absolute offset in the file
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/// </summary>
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public int Index { get; }
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/// <summary>
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/// Gets / sets the number of the line
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/// </summary>
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public int Line { get; }
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/// <summary>
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/// Gets / sets the index of the column
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/// </summary>
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public int Column { get; }
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public Mark()
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{
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Line = 1;
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Column = 1;
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}
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public Mark(int index, int line, int column)
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{
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if (index < 0)
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{
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throw new ArgumentOutOfRangeException(nameof(index), "Index must be greater than or equal to zero.");
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}
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if (line < 1)
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{
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throw new ArgumentOutOfRangeException(nameof(line), "Line must be greater than or equal to 1.");
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}
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if (column < 1)
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{
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throw new ArgumentOutOfRangeException(nameof(column), "Column must be greater than or equal to 1.");
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}
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Index = index;
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Line = line;
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Column = column;
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}
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/// <summary>
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/// Returns a <see cref="string"/> that represents this instance.
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/// </summary>
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/// <returns>
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/// A <see cref="string"/> that represents this instance.
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/// </returns>
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public override string ToString()
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{
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return $"Line: {Line}, Col: {Column}, Idx: {Index}";
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}
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/// <summary />
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public override bool Equals(object? obj)
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{
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return Equals(obj as Mark);
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}
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/// <summary />
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public bool Equals(Mark? other)
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{
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return other != null
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&& Index == other.Index
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&& Line == other.Line
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&& Column == other.Column;
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}
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/// <summary />
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public override int GetHashCode()
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{
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return HashCode.CombineHashCodes(
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Index.GetHashCode(),
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HashCode.CombineHashCodes(
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Line.GetHashCode(),
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Column.GetHashCode()
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)
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);
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}
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/// <summary />
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public int CompareTo(object? obj)
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{
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if (obj == null)
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{
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throw new ArgumentNullException(nameof(obj));
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}
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return CompareTo(obj as Mark);
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}
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/// <summary />
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public int CompareTo(Mark? other)
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{
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if (other == null)
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{
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throw new ArgumentNullException(nameof(other));
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}
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var cmp = Line.CompareTo(other.Line);
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if (cmp == 0)
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{
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cmp = Column.CompareTo(other.Column);
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}
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return cmp;
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}
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}
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}
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