public void Init(Ioctls ioctls, Core core, Runtime runtime)
{
IsolatedStorageFile isolatedStorage = IsolatedStorageFile.GetUserStoreForApplication();
MoSync.SystemPropertyManager.RegisterSystemPropertyProvider("mosync.path.local",
delegate(String key)
{
// The isolated storage becomes the "root"
return "/";
}
);
ioctls.maFileOpen = delegate(int _path, int _mode)
{
String path = core.GetDataMemory().ReadStringAtAddress(_path);
path = ConvertPath(path);
File file = null;
FileAccess access = 0;
if (_mode == MoSync.Constants.MA_ACCESS_READ)
{
access = FileAccess.Read;
}
else if (_mode == MoSync.Constants.MA_ACCESS_READ_WRITE)
{
access = FileAccess.ReadWrite;
}
else
{
throw new Exception("Invalid file access mode");
}
file = new File(path, access);
if (file.IsDirectory)
{
if (isolatedStorage.FileExists(path))
return MoSync.Constants.MA_FERR_WRONG_TYPE;
}
else
{
if (isolatedStorage.DirectoryExists(path))
return MoSync.Constants.MA_FERR_WRONG_TYPE;
try
{
file.TryOpen();
}
catch (IsolatedStorageException e)
{
MoSync.Util.Log(e);
return MoSync.Constants.MA_FERR_GENERIC;
}
}
mFileHandles.Add(mNextFileHandle, file);
return mNextFileHandle++;
};
ioctls.maFileClose = delegate(int _file)
{
File file = mFileHandles[_file];
file.Close();
mFileHandles.Remove(_file);
return 0;
};
ioctls.maFileRead = delegate(int _file, int _dst, int _len)
{
File file = mFileHandles[_file];
if (file.IsDirectory)
return MoSync.Constants.MA_FERR_WRONG_TYPE;
IsolatedStorageFileStream fileStream = file.FileStream;
if (fileStream == null)
return MoSync.Constants.MA_FERR_GENERIC;
core.GetDataMemory().WriteFromStream(_dst, fileStream, _len);
return 0;
};
ioctls.maFileReadToData = delegate(int _file, int _data, int _offset, int _len)
{
File file = mFileHandles[_file];
if (file.IsDirectory)
return MoSync.Constants.MA_FERR_WRONG_TYPE;
IsolatedStorageFileStream fileStream = file.FileStream;
if (fileStream == null)
return MoSync.Constants.MA_FERR_GENERIC;
Resource dataRes = runtime.GetResource(MoSync.Constants.RT_BINARY, _data);
//Memory data = (Memory)dataRes.GetInternalObject();
Stream data = (Stream)dataRes.GetInternalObject();
MoSync.Util.CopySeekableStreams(fileStream, (int)fileStream.Position,
data, _offset, _len);
//data.WriteFromStream(_offset, fileStream, _len);
return 0;
};
ioctls.maFileWriteFromData = delegate(int _file, int _data, int _offset, int _len)
{
File file = mFileHandles[_file];
if (file.IsDirectory)
return MoSync.Constants.MA_FERR_WRONG_TYPE;
IsolatedStorageFileStream fileStream = file.FileStream;
if (fileStream == null)
return MoSync.Constants.MA_FERR_GENERIC;
Resource dataRes = runtime.GetResource(MoSync.Constants.RT_BINARY, _data);
//Memory data = (Memory)dataRes.GetInternalObject();
Stream data = (Stream)dataRes.GetInternalObject();
//byte[] bytes = new byte[_len];
//data.ReadBytes(bytes, _offset, _len);
MoSync.Util.CopySeekableStreams( data, _offset,
fileStream, (int)fileStream.Position,
_len);
//fileStream.Write(bytes, 0, _len);
fileStream.Flush();
return 0;
};
ioctls.maFileWrite = delegate(int _file, int _src, int _len)
{
File file = mFileHandles[_file];
if (file.IsDirectory)
return MoSync.Constants.MA_FERR_WRONG_TYPE;
IsolatedStorageFileStream fileStream = file.FileStream;
if (fileStream == null)
return MoSync.Constants.MA_FERR_GENERIC;
byte[] bytes = new byte[_len];
core.GetDataMemory().ReadBytes(bytes, _src, _len);
fileStream.Write(bytes, 0, _len);
fileStream.Flush();
return 0;
};
ioctls.maFileSeek = delegate(int _file, int _offset, int _whence)
{
File file = mFileHandles[_file];
if (file.IsDirectory)
return MoSync.Constants.MA_FERR_WRONG_TYPE;
IsolatedStorageFileStream fileStream = file.FileStream;
SeekOrigin origin;
switch (_whence)
{
case MoSync.Constants.MA_SEEK_SET:
origin = SeekOrigin.Begin;
break;
case MoSync.Constants.MA_SEEK_CUR:
origin = SeekOrigin.Current;
break;
case MoSync.Constants.MA_SEEK_END:
origin = SeekOrigin.End;
break;
default:
throw new Exception("maFileSeek whence");
}
try
{
return (int)fileStream.Seek(_offset, origin);
}
catch (IOException e)
{
MoSync.Util.Log(e);
return MoSync.Constants.MA_FERR_GENERIC;
}
};
ioctls.maFileTell = delegate(int _file)
{
File file = mFileHandles[_file];
if (file.IsDirectory)
return MoSync.Constants.MA_FERR_WRONG_TYPE;
IsolatedStorageFileStream fileStream = file.FileStream;
return (int)fileStream.Position;
};
ioctls.maFileExists = delegate(int _file)
{
File file = mFileHandles[_file];
return file.Exists ? 1 : 0;
};
ioctls.maFileCreate = delegate(int _file)
{
File file = mFileHandles[_file];
if (file.Exists)
return MoSync.Constants.MA_FERR_GENERIC;
file.Create();
return 0;
};
ioctls.maFileDelete = delegate(int _file)
{
File file = mFileHandles[_file];
try
{
file.Delete();
}
catch (IsolatedStorageException e)
{
MoSync.Util.Log(e);
return MoSync.Constants.MA_FERR_GENERIC;
}
return 0;
};
ioctls.maFileSize = delegate(int _file)
{
File file = mFileHandles[_file];
return file.Size();
};
ioctls.maFileAvailableSpace = delegate(int _file)
{
File file = mFileHandles[_file];
return file.AvailableSpace();
};
ioctls.maFileTotalSpace = delegate(int _file)
{
File file = mFileHandles[_file];
return file.TotalSpace();
};
ioctls.maFileDate = delegate(int _file)
{
File file = mFileHandles[_file];
return Util.ToUnixTimeUtc(file.Date().ToFileTime());
};
ioctls.maFileRename = delegate(int _file, int _newName)
{
File file = mFileHandles[_file];
String newName = core.GetDataMemory().ReadStringAtAddress(_newName);
newName = ConvertPath(newName);
if (newName.Contains("\\"))
{
if (newName[0] != '\\')
throw new Exception("Invalid newName");
}
else
{ // add directory of old file.
newName = Path.GetDirectoryName(file.Path) + "\\" + newName;
}
file.Rename(newName);
return 0;
};
ioctls.maFileTruncate = delegate(int _file, int _offset)
{
File file = mFileHandles[_file];
file.Truncate(_offset);
return 0;
};
ioctls.maFileListStart = delegate(int _path, int _filter, int _sorting)
{
// todo: respect _sorting.
String path = core.GetDataMemory().ReadStringAtAddress(_path);
path = ConvertPath(path);
String filter = core.GetDataMemory().ReadStringAtAddress(_filter);
String pattern = path + filter;
IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication();
FileList fl = new FileList();
fl.dirs = isf.GetDirectoryNames(pattern);
fl.files = isf.GetFileNames(pattern);
fl.pos = 0;
mFileListHandles.Add(mNextFileListHandle, fl);
return mNextFileListHandle++;
};
ioctls.maFileListNext = delegate(int _list, int _nameBuf, int _bufSize)
{
FileList fl = mFileListHandles[_list];
String name;
if (fl.pos < fl.dirs.Length)
name = fl.dirs[fl.pos] + "/";
else if (fl.pos < fl.dirs.Length + fl.files.Length)
name = fl.files[fl.pos - fl.dirs.Length];
else
return 0;
if (name.Length >= _bufSize)
return name.Length;
core.GetDataMemory().WriteStringAtAddress(_nameBuf,
name, _bufSize);
fl.pos++;
return name.Length;
};
ioctls.maFileListClose = delegate(int _list)
{
FileList fl = mFileListHandles[_list];
mFileListHandles.Remove(_list);
return 0;
};
}
public void Init(Syscalls syscalls, Core core, Runtime runtime)
{
runtime.RegisterCleaner(delegate()
{
CleanDictionary(mFileHandles);
CleanDictionary(mStoreHandles);
mFileListHandles.Clear();
});
// todo: store "stores" in a separate location from the filesystem,
// to avoid clashes.
syscalls.maOpenStore = delegate(int _name, int _flags)
{
String name = core.GetDataMemory().ReadStringAtAddress(_name);
name = ConvertPath(name);
File file = new File(name, FileAccess.ReadWrite);
if (file.IsDirectory)
{
throw new Exception("Invalid store name");
}
if (file.Exists)
file.TryOpen();
else if ((_flags & MoSync.Constants.MAS_CREATE_IF_NECESSARY) != 0)
{
file.Create();
}
else
return MoSync.Constants.STERR_NONEXISTENT;
if (file.FileStream == null)
return MoSync.Constants.STERR_GENERIC;
mStoreHandles.Add(mNextStoreHandle, file);
return mNextStoreHandle++;
};
syscalls.maWriteStore = delegate(int _store, int _data)
{
File file = mStoreHandles[_store];
IsolatedStorageFileStream fileStream = file.FileStream;
fileStream.SetLength(0);
Resource dataRes = runtime.GetResource(MoSync.Constants.RT_BINARY, _data);
Stream data = (Stream)dataRes.GetInternalObject();
data.Seek(0, SeekOrigin.Begin);
//fileStream.Write(data.GetData(), 0, data.GetData().Length);
data.CopyTo(fileStream);
return 1;
};
syscalls.maReadStore = delegate(int _store, int _placeholder)
{
File file = mStoreHandles[_store];
IsolatedStorageFileStream fileStream = file.FileStream;
//Memory mem = new Memory((int)fileStream.Length);
MemoryStream mem = new MemoryStream((int)fileStream.Length);
fileStream.Seek(0, SeekOrigin.Begin);
fileStream.Read(mem.GetBuffer(), 0, (int)fileStream.Length);
runtime.SetResource(_placeholder, new Resource(mem, MoSync.Constants.RT_BINARY));
return MoSync.Constants.RES_OK;
};
syscalls.maCloseStore = delegate(int _store, int _delete)
{
File file = mStoreHandles[_store];
file.Close();
if (_delete != 0)
file.Delete();
mStoreHandles.Remove(_store);
};
}
