MERGE

1 files changed, 166 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Document/TextLocation.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Document/TextLocation.cs
new file mode 100644
index 000000000..1d3c2564c
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Document/TextLocation.cs
@@ -0,0 +1,166 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Globalization;
+
+namespace Tango.Scripting.Editors.Document
+{
+	/// <summary>
+	/// A line/column position.
+	/// Text editor lines/columns are counted started from one.
+	/// </summary>
+	/// <remarks>
+	/// The document provides the methods <see cref="TextDocument.GetLocation"/> and
+	/// <see cref="TextDocument.GetOffset(TextLocation)"/> to convert between offsets and TextLocations.
+	/// </remarks>
+	public struct TextLocation : IComparable<TextLocation>, IEquatable<TextLocation>
+	{
+		/// <summary>
+		/// Represents no text location (0, 0).
+		/// </summary>
+		public static readonly TextLocation Empty = new TextLocation(0, 0);
+		
+		/// <summary>
+		/// Creates a TextLocation instance.
+		/// <para>
+		/// Warning: the parameters are (line, column).
+		/// Not (column, line) as in ICSharpCode.TextEditor!
+		/// </para>
+		/// </summary>
+		public TextLocation(int line, int column)
+		{
+			y = line;
+			x = column;
+		}
+		
+		int x, y;
+		
+		/// <summary>
+		/// Gets the line number.
+		/// </summary>
+		public int Line {
+			get { return y; }
+		}
+		
+		/// <summary>
+		/// Gets the column number.
+		/// </summary>
+		public int Column {
+			get { return x; }
+		}
+		
+		/// <summary>
+		/// Gets whether the TextLocation instance is empty.
+		/// </summary>
+		public bool IsEmpty {
+			get {
+				return x <= 0 && y <= 0;
+			}
+		}
+		
+		/// <summary>
+		/// Gets a string representation for debugging purposes.
+		/// </summary>
+		public override string ToString()
+		{
+			return string.Format(CultureInfo.InvariantCulture, "(Line {1}, Col {0})", this.x, this.y);
+		}
+		
+		/// <summary>
+		/// Gets a hash code.
+		/// </summary>
+		public override int GetHashCode()
+		{
+			return unchecked (87 * x.GetHashCode() ^ y.GetHashCode());
+		}
+		
+		/// <summary>
+		/// Equality test.
+		/// </summary>
+		public override bool Equals(object obj)
+		{
+			if (!(obj is TextLocation)) return false;
+			return (TextLocation)obj == this;
+		}
+		
+		/// <summary>
+		/// Equality test.
+		/// </summary>
+		public bool Equals(TextLocation other)
+		{
+			return this == other;
+		}
+		
+		/// <summary>
+		/// Equality test.
+		/// </summary>
+		public static bool operator ==(TextLocation left, TextLocation right)
+		{
+			return left.x == right.x && left.y == right.y;
+		}
+		
+		/// <summary>
+		/// Inequality test.
+		/// </summary>
+		public static bool operator !=(TextLocation left, TextLocation right)
+		{
+			return left.x != right.x || left.y != right.y;
+		}
+		
+		/// <summary>
+		/// Compares two text locations.
+		/// </summary>
+		public static bool operator <(TextLocation left, TextLocation right)
+		{
+			if (left.y < right.y)
+				return true;
+			else if (left.y == right.y)
+				return left.x < right.x;
+			else
+				return false;
+		}
+		
+		/// <summary>
+		/// Compares two text locations.
+		/// </summary>
+		public static bool operator >(TextLocation left, TextLocation right)
+		{
+			if (left.y > right.y)
+				return true;
+			else if (left.y == right.y)
+				return left.x > right.x;
+			else
+				return false;
+		}
+		
+		/// <summary>
+		/// Compares two text locations.
+		/// </summary>
+		public static bool operator <=(TextLocation left, TextLocation right)
+		{
+			return !(left > right);
+		}
+		
+		/// <summary>
+		/// Compares two text locations.
+		/// </summary>
+		public static bool operator >=(TextLocation left, TextLocation right)
+		{
+			return !(left < right);
+		}
+		
+		/// <summary>
+		/// Compares two text locations.
+		/// </summary>
+		public int CompareTo(TextLocation other)
+		{
+			if (this == other)
+				return 0;
+			if (this < other)
+				return -1;
+			else
+				return 1;
+		}
+	}
+}