private StorageInfo CreateStorage(string name)
{
// Create new StorageInfo
StorageInfo newSubStorage = new StorageInfo( this, name );
// Make it real
if( !newSubStorage.InternalExists(name) )
{
/* TBD
if( !CU.IsValidCompoundFileName(name))
{
throw new IOException(
SR.Get(SRID.UnableToCreateStorage),
new COMException(
SR.Get(SRID.NamedAPIFailure, "IStorage.CreateStorage"),
nativeCallErrorCode ));
}
*/
// It doesn't already exist, please create.
StorageInfoCore newStorage = core.elementInfoCores[ name ] as StorageInfoCore;
Invariant.Assert( null != newStorage);
int nativeCallErrorCode = core.safeIStorage.CreateStorage(
name,
(GetStat().grfMode & SafeNativeCompoundFileConstants.STGM_READWRITE_Bits)
| SafeNativeCompoundFileConstants.STGM_SHARE_EXCLUSIVE,
0,
0,
#pragma warning suppress 6506 // Invariant.Assert(null != newStorage)
out newStorage.safeIStorage );
if( SafeNativeCompoundFileConstants.S_OK != nativeCallErrorCode )
{
if( nativeCallErrorCode == SafeNativeCompoundFileConstants.STG_E_ACCESSDENIED )
{
throw new UnauthorizedAccessException(
SR.Get(SRID.CanNotCreateAccessDenied),
new COMException(
SR.Get(SRID.NamedAPIFailure, "IStorage.CreateStorage"),
nativeCallErrorCode ));
}
else
{
throw new IOException(
SR.Get(SRID.UnableToCreateStorage),
new COMException(
SR.Get(SRID.NamedAPIFailure, "IStorage.CreateStorage"),
nativeCallErrorCode ));
}
}
// Invalidate enumerators
InvalidateEnumerators();
}
else
{
throw new IOException(SR.Get(SRID.StorageAlreadyExist));
}
// Return a reference
return newSubStorage;
}
/// <summary>
/// Checks if a storage exists by the passed name.
/// </summary>
/// <param name="name">Name of storage</param>
/// <returns>Reference to new storage</returns>
public bool SubStorageExists(string name)
{
StorageInfo storageInfo = new StorageInfo(this, name);
return storageInfo.InternalExists(name);
}
/// <summary>
/// Deletes a storage recursively.
/// </summary>
/// <param name="name">Name of storage</param>
public void DeleteSubStorage(string name)
{
CheckDisposedStatus();
//check the arguments
if( null == name )
throw new ArgumentNullException("name");
StorageInfo storageInfo = new StorageInfo(this, name);
if (storageInfo.InternalExists(name))
{
InvalidateEnumerators();
// Go ahead and delete "this" storage
DestroyElement( name );
}
//We will not throw exceptions if the storage does not exist. This is to be consistent with Package.DeletePart.
}
/// <summary>
/// Returns the storage by the passed name.
/// </summary>
/// <param name="name">Name of storage</param>
/// <returns>Reference to the storage</returns>
public StorageInfo GetSubStorageInfo(string name)
{
//Find if this storage exists
StorageInfo storageInfo = new StorageInfo(this, name);
if (storageInfo.InternalExists(name))
{
return storageInfo;
}
else
{
throw new IOException(SR.Get(SRID.StorageNotExist));
}
}