protected override Result OpenFileImpl(out IFile file, string path, OpenMode mode)
{
file = default;
path = PathTools.Normalize(path);
if (!IsConcatenationFile(path))
{
return(BaseFileSystem.OpenFile(out file, path, mode));
}
int fileCount = GetSubFileCount(path);
var files = new List <IFile>();
for (int i = 0; i < fileCount; i++)
{
string filePath = GetSubFilePath(path, i);
Result rc = BaseFileSystem.OpenFile(out IFile subFile, filePath, mode);
if (rc.IsFailure())
{
return(rc);
}
files.Add(subFile);
}
file = new ConcatenationFile(BaseFileSystem, path, files, SubFileSize, mode);
return(Result.Success);
}
protected override Result DoOpenFile(out IFile file, U8Span path, OpenMode mode)
{
file = default;
if (!IsConcatenationFile(path))
{
return(BaseFileSystem.OpenFile(out file, path, mode));
}
Result rc = GetSubFileCount(out int fileCount, path);
if (rc.IsFailure())
{
return(rc);
}
var files = new List <IFile>(fileCount);
for (int i = 0; i < fileCount; i++)
{
FsPath subFilePath;
unsafe { _ = &subFilePath; } // workaround for CS0165
rc = GetSubFilePath(subFilePath.Str, path, i);
if (rc.IsFailure())
{
return(rc);
}
rc = BaseFileSystem.OpenFile(out IFile subFile, subFilePath, mode);
if (rc.IsFailure())
{
return(rc);
}
files.Add(subFile);
}
file = new ConcatenationFile(BaseFileSystem, path, files, SubFileSize, mode);
return(Result.Success);
}
protected override Result DoOpenFile(out IFile file, U8Span path, OpenMode mode)
{
UnsafeHelpers.SkipParamInit(out file);
if (!IsConcatenationFile(path))
{
return(BaseFileSystem.OpenFile(out file, path, mode));
}
Result rc = GetSubFileCount(out int fileCount, path);
if (rc.IsFailure())
{
return(rc);
}
var files = new List <IFile>(fileCount);
for (int i = 0; i < fileCount; i++)
{
Unsafe.SkipInit(out FsPath subFilePath);
rc = GetSubFilePath(subFilePath.Str, path, i);
if (rc.IsFailure())
{
return(rc);
}
rc = BaseFileSystem.OpenFile(out IFile subFile, subFilePath, mode);
if (rc.IsFailure())
{
return(rc);
}
files.Add(subFile);
}
file = new ConcatenationFile(BaseFileSystem, path, files, SubFileSize, mode);
return(Result.Success);
}