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/*
* Copyright (C) 2006 Apple Inc. All rights reserved.
* Copyright (C) 2009 Google 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.
*/
#include "config.h"
#include "ResourceError.h"
#include "LocalizedStrings.h"
#include "Logging.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_ALLOCATED_IMPL(ResourceErrorBase);
const ASCIILiteral errorDomainWebKitInternal = "WebKitInternal"_s;
const ASCIILiteral errorDomainWebKitServiceWorker = "WebKitServiceWorker"_s;
inline const ResourceError& ResourceErrorBase::asResourceError() const
{
return *static_cast<const ResourceError*>(this);
}
ResourceError ResourceErrorBase::isolatedCopy() const
{
lazyInit();
ResourceError errorCopy;
errorCopy.m_domain = m_domain.isolatedCopy();
errorCopy.m_errorCode = m_errorCode;
errorCopy.m_failingURL = m_failingURL.isolatedCopy();
errorCopy.m_localizedDescription = m_localizedDescription.isolatedCopy();
errorCopy.m_type = m_type;
errorCopy.doPlatformIsolatedCopy(asResourceError());
return errorCopy;
}
void ResourceErrorBase::lazyInit() const
{
const_cast<ResourceError*>(static_cast<const ResourceError*>(this))->platformLazyInit();
}
void ResourceErrorBase::setType(Type type)
{
// setType should only be used to specialize the error type.
ASSERT(m_type == type || m_type == Type::General || m_type == Type::Null || (m_type == Type::Cancellation && type == Type::AccessControl));
m_type = type;
}
bool ResourceErrorBase::compare(const ResourceError& a, const ResourceError& b)
{
if (a.isNull() && b.isNull())
return true;
if (a.type() != b.type())
return false;
if (a.domain() != b.domain())
return false;
if (a.errorCode() != b.errorCode())
return false;
if (a.failingURL() != b.failingURL())
return false;
if (a.localizedDescription() != b.localizedDescription())
return false;
return ResourceError::platformCompare(a, b);
}
ResourceError createInternalError(const URL& url, ASCIILiteral filename, uint32_t line, ASCIILiteral functionName)
{
// Always print internal errors to stderr so we have some chance to figure out what went wrong
// when an internal error occurs unexpectedly. Release logging is insufficient because internal
// errors occur unexpectedly and we don't want to require manual logging configuration in order
// to record them.
WTFReportError(filename.characters(), line, functionName.characters(), "WebKit encountered an internal error. This is a WebKit bug.");
return ResourceError("WebKitErrorDomain"_s, 300, url, WEB_UI_STRING("WebKit encountered an internal error", "WebKitErrorInternal description"));
}
ResourceError badResponseHeadersError(const URL& url)
{
return { errorDomainWebKitInternal, 0, url, "Response contained invalid HTTP headers"_s, ResourceError::Type::General };
}
} // namespace WebCore
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