// // DomLocation.cs // // Author: // Mike Krüger // // Copyright (C) 2008 Novell, Inc (http://www.novell.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; namespace ICSharpCode.NRefactory.CSharp { [Serializable] public struct AstLocation : IComparable, IEquatable { public static readonly AstLocation Empty = new AstLocation(0, 0); readonly int line, column; public AstLocation (int line, int column) { this.line = line; this.column = column; } public bool IsEmpty { get { return line <= 0; } } public int Line { get { return line; } } public int Column { get { return column; } } public override bool Equals (object other) { if (!(other is AstLocation)) return false; return (AstLocation)other == this; } public override int GetHashCode () { unchecked { return line + column * 5000; } } public bool Equals (AstLocation other) { return other == this; } public int CompareTo (AstLocation other) { if (this == other) return 0; if (this < other) return -1; return 1; } public override string ToString () { return String.Format ("(Line {0}, Column {1})", Line, Column); } public static AstLocation FromInvariantString (string invariantString) { if (string.Equals(invariantString, "EMPTY", StringComparison.OrdinalIgnoreCase)) return AstLocation.Empty; string[] splits = invariantString.Split (',', '/'); if (splits.Length == 2) return new AstLocation (Int32.Parse (splits[0]), Int32.Parse (splits[1])); return AstLocation.Empty; } public string ToInvariantString () { if (IsEmpty) return "Empty"; return String.Format ("{0}/{1}", line, column); } public static bool operator==(AstLocation left, AstLocation right) { return left.line == right.line && left.column == right.column; } public static bool operator!=(AstLocation left, AstLocation right) { return left.line != right.line || left.column != right.column; } public static bool operator<(AstLocation left, AstLocation right) { return left.line < right.line || left.line == right.line && left.column < right.column; } public static bool operator>(AstLocation left, AstLocation right) { return left.line > right.line || left.line == right.line && left.column > right.column; } public static bool operator<=(AstLocation left, AstLocation right) { return !(left > right); } public static bool operator>=(AstLocation left, AstLocation right) { return !(left < right); } } }