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/*
* Copyright (C) 2013 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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
* OWNER 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 "core/fileapi/FileError.h"
#include "bindings/v8/ExceptionState.h"
#include "core/dom/ExceptionCode.h"
namespace WebCore {
const char FileError::abortErrorMessage[] = "An ongoing operation was aborted, typically with a call to abort().";
const char FileError::encodingErrorMessage[] = "A URI supplied to the API was malformed, or the resulting Data URL has exceeded the URL length limitations for Data URLs.";
const char FileError::invalidStateErrorMessage[] = "An operation that depends on state cached in an interface object was made but the state had changed since it was read from disk.";
const char FileError::noModificationAllowedErrorMessage[] = "An attempt was made to write to a file or directory which could not be modified due to the state of the underlying filesystem.";
const char FileError::notFoundErrorMessage[] = "A requested file or directory could not be found at the time an operation was processed.";
const char FileError::notReadableErrorMessage[] = "The requested file could not be read, typically due to permission problems that have occurred after a reference to a file was acquired.";
const char FileError::pathExistsErrorMessage[] = "An attempt was made to create a file or directory where an element already exists.";
const char FileError::quotaExceededErrorMessage[] = "The operation failed because it would cause the application to exceed its storage quota.";
const char FileError::securityErrorMessage[] = "It was determined that certain files are unsafe for access within a Web application, or that too many calls are being made on file resources.";
const char FileError::syntaxErrorMessage[] = "An invalid or unsupported argument was given, like an invalid line ending specifier.";
const char FileError::typeMismatchErrorMessage[] = "The path supplied exists, but was not an entry of requested type.";
namespace {
ExceptionCode errorCodeToExceptionCode(FileError::ErrorCode code)
{
switch (code) {
case FileError::OK:
return 0;
case FileError::NOT_FOUND_ERR:
return NotFoundError;
case FileError::SECURITY_ERR:
return SecurityError;
case FileError::ABORT_ERR:
return AbortError;
case FileError::NOT_READABLE_ERR:
return NotReadableError;
case FileError::ENCODING_ERR:
return EncodingError;
case FileError::NO_MODIFICATION_ALLOWED_ERR:
return NoModificationAllowedError;
case FileError::INVALID_STATE_ERR:
return InvalidStateError;
case FileError::SYNTAX_ERR:
return SyntaxError;
case FileError::INVALID_MODIFICATION_ERR:
return InvalidModificationError;
case FileError::QUOTA_EXCEEDED_ERR:
return QuotaExceededError;
case FileError::TYPE_MISMATCH_ERR:
return TypeMismatchError;
case FileError::PATH_EXISTS_ERR:
return PathExistsError;
default:
ASSERT_NOT_REACHED();
return code;
}
}
const char* errorCodeToMessage(FileError::ErrorCode code)
{
// Note that some of these do not set message. If message is 0 then the default message is used.
switch (code) {
case FileError::OK:
return 0;
case FileError::SECURITY_ERR:
return FileError::securityErrorMessage;
case FileError::NOT_FOUND_ERR:
return FileError::notFoundErrorMessage;
case FileError::ABORT_ERR:
return FileError::abortErrorMessage;
case FileError::NOT_READABLE_ERR:
return FileError::notReadableErrorMessage;
case FileError::ENCODING_ERR:
return FileError::encodingErrorMessage;
case FileError::NO_MODIFICATION_ALLOWED_ERR:
return FileError::noModificationAllowedErrorMessage;
case FileError::INVALID_STATE_ERR:
return FileError::invalidStateErrorMessage;
case FileError::SYNTAX_ERR:
return FileError::syntaxErrorMessage;
case FileError::INVALID_MODIFICATION_ERR:
return 0;
case FileError::QUOTA_EXCEEDED_ERR:
return FileError::quotaExceededErrorMessage;
case FileError::TYPE_MISMATCH_ERR:
return 0;
case FileError::PATH_EXISTS_ERR:
return FileError::pathExistsErrorMessage;
default:
ASSERT_NOT_REACHED();
return 0;
}
}
} // namespace
void FileError::throwDOMException(ExceptionState& exceptionState, ErrorCode code)
{
if (code == FileError::OK)
return;
// SecurityError is special-cased, as we want to route those exceptions through ExceptionState::throwSecurityError.
if (code == FileError::SECURITY_ERR) {
exceptionState.throwSecurityError(FileError::securityErrorMessage);
return;
}
exceptionState.throwDOMException(errorCodeToExceptionCode(code), errorCodeToMessage(code));
}
FileError::FileError(ErrorCode code)
: DOMError(DOMException::getErrorName(errorCodeToExceptionCode(code)), errorCodeToMessage(code))
, m_code(code)
{
ScriptWrappable::init(this);
}
} // namespace WebCore
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