gecko-dev/dom/bindings/test/TestFunctions.cpp

95 строки
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "mozilla/dom/TestFunctions.h"
#include "mozilla/dom/TestFunctionsBinding.h"
#include "nsStringBuffer.h"
namespace mozilla {
namespace dom {
/* static */ TestFunctions*
TestFunctions::Constructor(GlobalObject& aGlobal, ErrorResult& aRv)
{
return new TestFunctions;
}
/* static */ void
TestFunctions::ThrowUncatchableException(GlobalObject& aGlobal,
ErrorResult& aRv)
{
aRv.ThrowUncatchableException();
}
/* static */ Promise*
TestFunctions::PassThroughPromise(GlobalObject& aGlobal, Promise& aPromise)
{
return &aPromise;
}
/* static */ already_AddRefed<Promise>
TestFunctions::PassThroughCallbackPromise(GlobalObject& aGlobal,
PromiseReturner& aCallback,
ErrorResult& aRv)
{
return aCallback.Call(aRv);
}
void
TestFunctions::SetStringData(const nsAString& aString)
{
mStringData = aString;
}
void
TestFunctions::GetStringDataAsAString(nsAString& aString)
{
aString = mStringData;
}
void
TestFunctions::GetStringDataAsAString(uint32_t aLength, nsAString& aString)
{
MOZ_RELEASE_ASSERT(aLength <= mStringData.Length(),
"Bogus test passing in a too-big length");
aString.Assign(mStringData.BeginReading(), aLength);
}
void
TestFunctions::GetStringDataAsDOMString(const Optional<uint32_t>& aLength,
DOMString& aString)
{
uint32_t length;
if (aLength.WasPassed()) {
length = aLength.Value();
MOZ_RELEASE_ASSERT(length <= mStringData.Length(),
"Bogus test passing in a too-big length");
} else {
length = mStringData.Length();
}
nsStringBuffer* buf = nsStringBuffer::FromString(mStringData);
if (buf) {
aString.SetStringBuffer(buf, length);
return;
}
// We better have an empty mStringData; otherwise why did we not have a string
// buffer?
MOZ_RELEASE_ASSERT(length == 0, "Why no stringbuffer?");
// No need to do anything here; aString is already empty.
}
bool
TestFunctions::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
JS::MutableHandle<JSObject*> aWrapper)
{
return TestFunctionsBinding::Wrap(aCx, this, aGivenProto, aWrapper);
}
}
}