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/*
* Copyright (C) 2006-2020 Apple Inc. All rights reserved.
* Copyright (C) 2016 Canon Inc. 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 APPLE INC. ``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 APPLE INC. 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 <wtf/EnumTraits.h>
#include <wtf/URL.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class ResourceError;
WEBCORE_EXPORT extern const ASCIILiteral errorDomainWebKitInternal; // Used for errors that won't be exposed to clients.
WEBCORE_EXPORT extern const ASCIILiteral errorDomainWebKitServiceWorker; // Used for errors that happen when loading a resource from a service worker.
class ResourceErrorBase {
WTF_MAKE_FAST_ALLOCATED;
public:
WEBCORE_EXPORT ResourceError isolatedCopy() const;
const String& domain() const { lazyInit(); return m_domain; }
int errorCode() const { lazyInit(); return m_errorCode; }
const URL& failingURL() const { lazyInit(); return m_failingURL; }
const String& localizedDescription() const { lazyInit(); return m_localizedDescription; }
String sanitizedDescription() const { return m_isSanitized == IsSanitized::Yes ? m_localizedDescription : "Load failed"_s; }
enum class Type : uint8_t {
Null,
General,
AccessControl,
Cancellation,
Timeout
};
enum class IsSanitized : bool { No, Yes };
bool isNull() const { return m_type == Type::Null; }
bool isGeneral() const { return m_type == Type::General; }
bool isAccessControl() const { return m_type == Type::AccessControl; }
bool isCancellation() const { return m_type == Type::Cancellation; }
bool isTimeout() const { return m_type == Type::Timeout; }
static bool compare(const ResourceError&, const ResourceError&);
WEBCORE_EXPORT void setType(Type);
Type type() const { return m_type; }
bool isSanitized() const { return m_isSanitized == IsSanitized::Yes; }
void setAsSanitized() { m_isSanitized = IsSanitized::Yes; }
protected:
ResourceErrorBase(Type type) : m_type(type) { }
ResourceErrorBase(const String& domain, int errorCode, const URL& failingURL, const String& localizedDescription, Type type, IsSanitized isSanitized)
: m_domain(domain)
, m_failingURL(failingURL)
, m_localizedDescription(localizedDescription)
, m_errorCode(errorCode)
, m_type(type)
, m_isSanitized(isSanitized)
{
}
WEBCORE_EXPORT void lazyInit() const;
// The ResourceError subclass may "shadow" this method to lazily initialize platform specific fields
void platformLazyInit() {}
// The ResourceError subclass may "shadow" this method to compare platform specific fields
static bool platformCompare(const ResourceError&, const ResourceError&) { return true; }
String m_domain;
URL m_failingURL;
String m_localizedDescription;
int m_errorCode { 0 };
Type m_type { Type::General };
IsSanitized m_isSanitized { IsSanitized::No };
private:
const ResourceError& asResourceError() const;
};
WEBCORE_EXPORT ResourceError internalError(const URL&);
inline bool operator==(const ResourceError& a, const ResourceError& b) { return ResourceErrorBase::compare(a, b); }
inline bool operator!=(const ResourceError& a, const ResourceError& b) { return !(a == b); }
} // namespace WebCore
namespace WTF {
template<> struct EnumTraits<WebCore::ResourceErrorBase::Type> {
using values = EnumValues<
WebCore::ResourceErrorBase::Type,
WebCore::ResourceErrorBase::Type::Null,
WebCore::ResourceErrorBase::Type::General,
WebCore::ResourceErrorBase::Type::AccessControl,
WebCore::ResourceErrorBase::Type::Cancellation,
WebCore::ResourceErrorBase::Type::Timeout
>;
};
} // namespace WTF
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