public void TestBothEmptySources()
{
var diffEngine = new MyersDiffEngine();
var operations = diffEngine.GetDiff(null, null);
Assert.IsNull(operations);
}
private static void Main(string[] args)
{
if (args == null ||
args.Length == 0 ||
(args.Length != 4 && args.Length != 5) ||
args.Any(string.IsNullOrEmpty))
{
PrintUsage();
return;
}
var operation = args[0]?.Replace("-", string.Empty).ToUpperInvariant();
if (string.IsNullOrEmpty(operation))
{
PrintUsage();
return;
}
var outToConsole = args.Length == 4;
ISource source = null,
target1 = null,
target2 = null;
switch (Array.IndexOf(m_operations, operation))
{
case 0:
source = new StringSource(args[1]);
target1 = new StringSource(args[2]);
target2 = new StringSource(args[3]);
break;
case 1:
try
{
source = new TextFileSource(args[1]);
target1 = new TextFileSource(args[2]);
target2 = new TextFileSource(args[3]);
}
catch (Exception ex)
{
Console.WriteLine("Во время загрузки файлов произошла ошибка:");
Console.WriteLine(ex.Message);
PrintUsage();
return;
}
break;
default:
PrintUsage();
break;
}
var diffEngine = new MyersDiffEngine();
var operations1 = diffEngine.GetDiff(source, target1);
var operations2 = diffEngine.GetDiff(source, target2);
var mergeEngine = new MergeEngine(ResolveStrategyAction.AcceptFirst, false);
mergeEngine.ConflictOperationsResolveStrategies.Add(OperationKind.Insert, new ResolveStrategy(ResolveStrategyAction.AcceptAll, true));
var final = mergeEngine.GetMergeOperations(operations1.ToList(), operations2.ToList());
Console.WriteLine("Эталон: {0}", source);
Console.WriteLine("Первый элемент: {0}", target1);
Console.WriteLine("Второй элемент: {0}", target2);
var sb = new StringBuilder();
foreach (var op in final)
{
switch (op.Kind)
{
case OperationKind.Equal:
case OperationKind.Insert:
default:
sb.AppendFormat("{0}{1}", op.IsConflict ? " Конфликт! >" : string.Empty, op.Source[op.Index]);
break;
case OperationKind.Unknown:
case OperationKind.Delete:
break;
}
}
Console.WriteLine();
Console.WriteLine("---РЕЗУЛЬТАТ---");
if (outToConsole)
{
Console.WriteLine(sb.ToString());
}
else
{
try
{
using (var wrtr = new StreamWriter(args[4]))
{
wrtr.Write(sb.ToString());
wrtr.Close();
}
Console.WriteLine("Изменения записаны в файл {0}", args[4]);
}
catch (Exception ex)
{
Console.WriteLine("Во время записи результата в файл произошла ошибка:");
Console.WriteLine(ex.Message);
PrintUsage();
return;
}
}
Console.WriteLine();
Console.WriteLine("Нажмите <Enter> для завершения работы...");
Console.ReadLine();
}
