129 lines
2.4 KiB
C#
129 lines
2.4 KiB
C#
// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
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// <version>$Revision: 2658$</version>
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// </file>
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using System;
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namespace ICSharpCode.TextEditor
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{
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/// <summary>
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/// A line/column position.
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/// Text editor lines/columns are counting from zero.
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/// </summary>
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public struct TextLocation : IComparable<TextLocation>, IEquatable<TextLocation>
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{
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/// <summary>
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/// Represents no text location (-1, -1).
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/// </summary>
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public static readonly TextLocation Empty = new TextLocation(-1, -1);
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public TextLocation(int column, int line)
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{
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x = column;
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y = line;
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}
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int x, y;
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public int X {
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get { return x; }
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set { x = value; }
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}
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public int Y {
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get { return y; }
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set { y = value; }
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}
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public int Line {
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get { return y; }
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set { y = value; }
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}
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public int Column {
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get { return x; }
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set { x = value; }
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}
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public bool IsEmpty {
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get {
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return x <= 0 && y <= 0;
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}
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}
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public override string ToString()
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{
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return string.Format("(Line {1}, Col {0})", this.x, this.y);
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}
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public override int GetHashCode()
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{
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return unchecked (87 * x.GetHashCode() ^ y.GetHashCode());
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}
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public override bool Equals(object obj)
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{
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if (!(obj is TextLocation)) return false;
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return (TextLocation)obj == this;
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}
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public bool Equals(TextLocation other)
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{
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return this == other;
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}
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public static bool operator ==(TextLocation a, TextLocation b)
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{
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return a.x == b.x && a.y == b.y;
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}
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public static bool operator !=(TextLocation a, TextLocation b)
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{
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return a.x != b.x || a.y != b.y;
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}
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public static bool operator <(TextLocation a, TextLocation b)
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{
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if (a.y < b.y)
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return true;
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else if (a.y == b.y)
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return a.x < b.x;
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else
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return false;
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}
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public static bool operator >(TextLocation a, TextLocation b)
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{
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if (a.y > b.y)
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return true;
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else if (a.y == b.y)
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return a.x > b.x;
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else
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return false;
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}
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public static bool operator <=(TextLocation a, TextLocation b)
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{
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return !(a > b);
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}
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public static bool operator >=(TextLocation a, TextLocation b)
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{
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return !(a < b);
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}
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public int CompareTo(TextLocation other)
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{
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if (this == other)
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return 0;
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if (this < other)
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return -1;
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else
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return 1;
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}
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}
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}
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