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using System;
using System.IO;
using System.Runtime.InteropServices;
using libgit2sharp.Wrapper;
namespace libgit2sharp
{
public sealed class RepositoryLifecycleManager : ILifecycleManager
{
private IntPtr _repositoryPtr = IntPtr.Zero;
private RepositoryDetails _details;
public IntPtr RepositoryPtr
{
get { return _repositoryPtr; }
}
public RepositoryDetails Details
{
get { return _details; }
}
public RepositoryLifecycleManager(string initializationDirectory, bool isBare)
{
#region Parameters Validation
if (string.IsNullOrEmpty("initializationDirectory"))
{
throw new ArgumentNullException("initializationDirectory");
}
#endregion Parameters Validation
OpenRepository(() => NativeMethods.wrapped_git_repository_init(out _repositoryPtr, Posixify(initializationDirectory), isBare));
}
public RepositoryLifecycleManager(string repositoryDirectory)
{
#region Parameters Validation
if (string.IsNullOrEmpty(repositoryDirectory))
{
throw new ArgumentNullException("repositoryDirectory");
}
#endregion Parameters Validation
OpenRepository(() => NativeMethods.wrapped_git_repository_open(out _repositoryPtr, Posixify(repositoryDirectory)));
}
public RepositoryLifecycleManager(string repositoryDirectory, string databaseDirectory, string index, string workingDirectory)
{
#region Parameters Validation
if (string.IsNullOrEmpty(repositoryDirectory))
{
throw new ArgumentNullException("repositoryDirectory");
}
if (string.IsNullOrEmpty(databaseDirectory))
{
throw new ArgumentNullException("databaseDirectory");
}
if (string.IsNullOrEmpty(index))
{
throw new ArgumentNullException("index");
}
if (string.IsNullOrEmpty(workingDirectory))
{
throw new ArgumentNullException("workingDirectory");
}
#endregion Parameters Validation
OpenRepository(() => NativeMethods.wrapped_git_repository_open2(out _repositoryPtr, Posixify(repositoryDirectory),
Posixify(databaseDirectory), Posixify(index), Posixify(workingDirectory)));
}
private static string Posixify(string path)
{
if (Path.DirectorySeparatorChar == Constants.DirectorySeparatorChar)
{
return path;
}
return path.Replace(Path.DirectorySeparatorChar, Constants.DirectorySeparatorChar);
}
private void OpenRepository(Func<OperationResult> opener)
{
OperationResult result = opener();
if (result == OperationResult.GIT_SUCCESS)
{
_details = BuildRepositoryDetails(_repositoryPtr);
return;
}
_repositoryPtr = IntPtr.Zero;
switch (result)
{
case OperationResult.GIT_ENOTAREPO:
throw new NotAValidRepositoryException();
default:
throw new Exception(Enum.GetName(typeof(OperationResult), result));
}
}
private static RepositoryDetails BuildRepositoryDetails(IntPtr gitRepositoryPtr)
{
var gitRepo = (git_repository)Marshal.PtrToStructure(gitRepositoryPtr, typeof(git_repository));
return gitRepo.Build();
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
private void Dispose(bool disposing)
{
if (_repositoryPtr == IntPtr.Zero)
{
return;
}
NativeMethods.wrapped_git_repository_free(_repositoryPtr);
_repositoryPtr = IntPtr.Zero;
}
~RepositoryLifecycleManager()
{
Dispose(false);
}
}
}
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