Files
tubestation/dom/payments/PaymentRequestUtils.cpp

91 lines
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsArrayUtils.h"
#include "PaymentRequestUtils.h"
#include "nsIMutableArray.h"
#include "nsISupportsPrimitives.h"
namespace mozilla {
namespace dom {
nsresult
ConvertStringstoISupportsStrings(const nsTArray<nsString>& aStrings,
nsIArray** aIStrings)
{
NS_ENSURE_ARG_POINTER(aIStrings);
*aIStrings = nullptr;
nsCOMPtr<nsIMutableArray> iStrings = do_CreateInstance(NS_ARRAY_CONTRACTID);
for (const nsString& string : aStrings) {
nsCOMPtr<nsISupportsString> iString =
do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID);
if (NS_WARN_IF(!iString)) {
return NS_ERROR_FAILURE;
}
nsresult rv = iString->SetData(string);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
rv = iStrings->AppendElement(iString, false);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
iStrings.forget(aIStrings);
return NS_OK;
}
nsresult
ConvertISupportsStringstoStrings(nsIArray* aIStrings,
nsTArray<nsString>& aStrings)
{
NS_ENSURE_ARG_POINTER(aIStrings);
uint32_t length;
aStrings.Clear();
nsresult rv = aIStrings->GetLength(&length);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
for (uint32_t index = 0; index < length; ++index) {
nsCOMPtr<nsISupportsString> iString = do_QueryElementAt(aIStrings, index);
if (NS_WARN_IF(!iString)) {
return NS_ERROR_FAILURE;
}
nsString string;
rv = iString->GetData(string);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
aStrings.AppendElement(string);
}
return NS_OK;
}
nsresult
CopyISupportsStrings(nsIArray* aSourceStrings, nsIArray** aTargetStrings)
{
NS_ENSURE_ARG_POINTER(aTargetStrings);
*aTargetStrings = nullptr;
nsCOMPtr<nsIMutableArray> strings = do_CreateInstance(NS_ARRAY_CONTRACTID);
uint32_t length;
nsresult rv = aSourceStrings->GetLength(&length);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
for (uint32_t index = 0; index < length; ++index) {
nsCOMPtr<nsISupportsString> string = do_QueryElementAt(aSourceStrings, index);
if (NS_WARN_IF(!string)) {
return NS_ERROR_FAILURE;
}
strings->AppendElement(string, false);
}
strings.forget(aTargetStrings);
return NS_OK;
}
} // end of namespace dom
} // end of namespace mozilla