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// NAnt - A .NET build tool
// Copyright (C) 2001 Gerry Shaw
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Ian MacLean (ian_maclean@another.com)
// Gerry Shaw (gerry_shaw@yahoo.com)
namespace SourceForge.NAnt {
using System;
using System.IO;
/// <summary>
/// Stores the file name and line number in a file.
/// </summary>
public class Location {
string _fileName;
int _lineNumber;
int _columnNumber;
public static readonly Location UnknownLocation = new Location();
/// <summary>
/// Creates a location consisting of a file name and line number.
///</summary>
public Location(string fileName, int lineNumber, int columnNumber) {
Uri uri = new Uri(fileName);
string strfileName = uri.LocalPath; // convert from URI syntax to local path
Init(strfileName, lineNumber, columnNumber);
}
/// <summary>
/// Creates a location consisting of a file name but no line number.
///</summary>
public Location(string fileName) {
Init(fileName, 0, 0);
}
/// <summary>
/// Creates an "unknown" location.
///</summary>
private Location() {
Init(null, 0, 0);
}
/// <summary>
/// Private Init function.
///</summary>
private void Init(string fileName, int lineNumber, int columnNumber) {
_fileName = fileName;
_lineNumber = lineNumber;
_columnNumber = columnNumber;
}
/// <summary>
/// Returns the file name, line number and a trailing space. An error
/// message can be appended easily. For unknown locations, returns
/// an empty string.
///</summary>
public override string ToString() {
string message = "";
if (_fileName != null) {
message += _fileName;
if (_lineNumber != 0) {
message += ":";
message += _lineNumber.ToString();
}
message += ":";
}
return message;
}
}
}
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