storage/src/Variant.cpp
author Shawn Wilsher <sdwilsh@shawnwilsher.com>
Tue, 12 May 2009 17:08:49 -0400
changeset 28257 9afc23efcbba83d9fec156ec5ca10d8927d098ff
parent 27270 storage/src/mozStorageVariant.cpp@3fe0af99bdbe10c1593a0303eea92af28b2853ae
permissions -rw-r--r--
Bug 492139 - Expose the Variant publicly so consumers can also use it This exposes the templated nsIVariant implementation that storage uses internally so that consumers can use it as well. r=bsmedberg

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 * Contributor(s):
 *   Shawn Wilsher <me@shawnwilsher.com> (Original Author)
 *
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#include "Variant.h"

namespace mozilla {
namespace storage {

////////////////////////////////////////////////////////////////////////////////
//// Variant_base

NS_IMPL_THREADSAFE_ISUPPORTS1(
  Variant_base,
  nsIVariant
)

////////////////////////////////////////////////////////////////////////////////
//// nsIVariant

NS_IMETHODIMP
Variant_base::GetDataType(PRUint16 *_type)
{
  *_type = nsIDataType::VTYPE_EMPTY;
  return NS_OK;
}

NS_IMETHODIMP
Variant_base::GetAsInt32(PRInt32 *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsInt64(PRInt64 *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsDouble(double *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsAUTF8String(nsACString &)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsAString(nsAString &)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsArray(PRUint16 *,
                         nsIID *,
                         PRUint32 *,
                         void **)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsInt8(PRUint8 *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsInt16(PRInt16 *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsUint8(PRUint8 *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsUint16(PRUint16 *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsUint32(PRUint32 *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsUint64(PRUint64 *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsFloat(float *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsBool(PRBool *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsChar(char *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsWChar(PRUnichar *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsID(nsID *)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsDOMString(nsAString &)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsString(char **)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsWString(PRUnichar **)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsISupports(nsISupports **)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsInterface(nsIID **,
                             void **)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsACString(nsACString &)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsStringWithSize(PRUint32 *,
                                  char **)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

NS_IMETHODIMP
Variant_base::GetAsWStringWithSize(PRUint32 *,
                                   PRUnichar **)
{
  return NS_ERROR_CANNOT_CONVERT_DATA;
}

} // namespace storage
} // namespace mozilla