storage/Variant.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "Variant.h"
   8
   9 extern "C" {
  10
  11 using namespace mozilla::storage;
  12
  13 /**
  14  * Return the data type of the given variant.  This method used to be exposed
  15  * to XPCOM, but since bug 1507540 it's marked [notxpcom] in the interface
  16  * definition, so we need this C function to access it from Rust.
  17  */
  18 uint16_t NS_GetDataType(nsIVariant* aVariant) {
  19   return aVariant->GetDataType();
  20 }
  21
  22 // Convenience functions to create Storage variants from Rust.
  23 void NS_NewStorageNullVariant(nsIVariant** aVariant) {
  24   nsCOMPtr<nsIVariant> variant = new NullVariant();
  25   variant.forget(aVariant);
  26 }
  27
  28 void NS_NewStorageBooleanVariant(bool aValue, nsIVariant** aVariant) {
  29   nsCOMPtr<nsIVariant> variant = new BooleanVariant(aValue);
  30   variant.forget(aVariant);
  31 }
  32
  33 void NS_NewStorageIntegerVariant(int64_t aValue, nsIVariant** aVariant) {
  34   nsCOMPtr<nsIVariant> variant = new IntegerVariant(aValue);
  35   variant.forget(aVariant);
  36 }
  37
  38 void NS_NewStorageFloatVariant(double aValue, nsIVariant** aVariant) {
  39   nsCOMPtr<nsIVariant> variant = new FloatVariant(aValue);
  40   variant.forget(aVariant);
  41 }
  42
  43 void NS_NewStorageTextVariant(const nsAString& aValue, nsIVariant** aVariant) {
  44   nsCOMPtr<nsIVariant> variant = new TextVariant(aValue);
  45   variant.forget(aVariant);
  46 }
  47
  48 void NS_NewStorageUTF8TextVariant(const nsACString& aValue,
  49                                   nsIVariant** aVariant) {
  50   nsCOMPtr<nsIVariant> variant = new UTF8TextVariant(aValue);
  51   variant.forget(aVariant);
  52 }
  53
  54 }  // extern "C"