mirror of
https://github.com/RGBCube/serenity
synced 2025-07-26 05:07:35 +00:00
LibWeb: Add DOM::ExceptionOr<T> container
Much like AK::Result this carries either a DOM::DOMException or regular return value and will be used by DOM functions for exceptions that should be thrown.
This commit is contained in:
parent
ada71dc71b
commit
e708f1c3a2
1 changed files with 110 additions and 0 deletions
110
Userland/Libraries/LibWeb/DOM/ExceptionOr.h
Normal file
110
Userland/Libraries/LibWeb/DOM/ExceptionOr.h
Normal file
|
@ -0,0 +1,110 @@
|
|||
/*
|
||||
* Copyright (c) 2021, Linus Groh <mail@linusgroh.de>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <AK/NonnullRefPtr.h>
|
||||
#include <AK/Optional.h>
|
||||
#include <AK/RefPtr.h>
|
||||
#include <LibWeb/DOM/DOMException.h>
|
||||
|
||||
namespace Web::DOM {
|
||||
|
||||
template<typename ValueType>
|
||||
class ExceptionOr {
|
||||
public:
|
||||
ExceptionOr(const ValueType& result)
|
||||
: m_result(result)
|
||||
{
|
||||
}
|
||||
|
||||
ExceptionOr(ValueType&& result)
|
||||
: m_result(move(result))
|
||||
{
|
||||
}
|
||||
|
||||
ExceptionOr(const NonnullRefPtr<DOMException> exception)
|
||||
: m_exception(exception)
|
||||
{
|
||||
}
|
||||
|
||||
ExceptionOr(ExceptionOr&& other) = default;
|
||||
ExceptionOr(const ExceptionOr& other) = default;
|
||||
~ExceptionOr() = default;
|
||||
|
||||
ValueType& value()
|
||||
{
|
||||
return m_result.value();
|
||||
}
|
||||
|
||||
ValueType release_value()
|
||||
{
|
||||
return m_result.release_value();
|
||||
}
|
||||
|
||||
const DOMException& exception() const
|
||||
{
|
||||
return *m_exception;
|
||||
}
|
||||
|
||||
bool is_exception() const
|
||||
{
|
||||
return m_exception;
|
||||
}
|
||||
|
||||
private:
|
||||
Optional<ValueType> m_result;
|
||||
RefPtr<DOMException> m_exception;
|
||||
};
|
||||
|
||||
template<>
|
||||
class ExceptionOr<void> {
|
||||
public:
|
||||
ExceptionOr(const NonnullRefPtr<DOMException> exception)
|
||||
: m_exception(exception)
|
||||
{
|
||||
}
|
||||
|
||||
ExceptionOr() = default;
|
||||
ExceptionOr(ExceptionOr&& other) = default;
|
||||
ExceptionOr(const ExceptionOr& other) = default;
|
||||
~ExceptionOr() = default;
|
||||
|
||||
const DOMException& exception() const
|
||||
{
|
||||
return *m_exception;
|
||||
}
|
||||
|
||||
bool is_exception() const
|
||||
{
|
||||
return m_exception;
|
||||
}
|
||||
|
||||
private:
|
||||
RefPtr<DOMException> m_exception;
|
||||
};
|
||||
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue