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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 "core/fileapi/FileError.h"
#include "bindings/core/v8/ExceptionState.h"
#include "core/dom/DOMException.h"
#include "core/dom/ExceptionCode.h"
namespace blink {
namespace FileError {
const char abortErrorMessage[] =
"An ongoing operation was aborted, typically with a call to abort().";
const char 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 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 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 notFoundErrorMessage[] =
"A requested file or directory could not be found at the time an operation "
"was processed.";
const char 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 pathExistsErrorMessage[] =
"An attempt was made to create a file or directory where an element "
"already exists.";
const char quotaExceededErrorMessage[] =
"The operation failed because it would cause the application to exceed its "
"storage quota.";
const char 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 syntaxErrorMessage[] =
"An invalid or unsupported argument was given, like an invalid line ending "
"specifier.";
const char typeMismatchErrorMessage[] =
"The path supplied exists, but was not an entry of requested type.";
namespace {
ExceptionCode errorCodeToExceptionCode(ErrorCode code) {
switch (code) {
case kOK:
return 0;
case kNotFoundErr:
return NotFoundError;
case kSecurityErr:
return SecurityError;
case kAbortErr:
return AbortError;
case kNotReadableErr:
return NotReadableError;
case kEncodingErr:
return EncodingError;
case kNoModificationAllowedErr:
return NoModificationAllowedError;
case kInvalidStateErr:
return InvalidStateError;
case kSyntaxErr:
return SyntaxError;
case kInvalidModificationErr:
return InvalidModificationError;
case kQuotaExceededErr:
return QuotaExceededError;
case kTypeMismatchErr:
return TypeMismatchError;
case kPathExistsErr:
return PathExistsError;
default:
ASSERT_NOT_REACHED();
return code;
}
}
const char* errorCodeToMessage(ErrorCode code) {
// Note that some of these do not set message. If message is 0 then the
// default message is used.
switch (code) {
case kOK:
return 0;
case kSecurityErr:
return securityErrorMessage;
case kNotFoundErr:
return notFoundErrorMessage;
case kAbortErr:
return abortErrorMessage;
case kNotReadableErr:
return notReadableErrorMessage;
case kEncodingErr:
return encodingErrorMessage;
case kNoModificationAllowedErr:
return noModificationAllowedErrorMessage;
case kInvalidStateErr:
return invalidStateErrorMessage;
case kSyntaxErr:
return syntaxErrorMessage;
case kInvalidModificationErr:
return 0;
case kQuotaExceededErr:
return quotaExceededErrorMessage;
case kTypeMismatchErr:
return 0;
case kPathExistsErr:
return pathExistsErrorMessage;
default:
ASSERT_NOT_REACHED();
return 0;
}
}
} // namespace
void throwDOMException(ExceptionState& exceptionState, ErrorCode code) {
if (code == kOK)
return;
// SecurityError is special-cased, as we want to route those exceptions
// through ExceptionState::throwSecurityError.
if (code == kSecurityErr) {
exceptionState.throwSecurityError(securityErrorMessage);
return;
}
exceptionState.throwDOMException(errorCodeToExceptionCode(code),
errorCodeToMessage(code));
}
DOMException* createDOMException(ErrorCode code) {
DCHECK_NE(code, kOK);
return DOMException::create(errorCodeToExceptionCode(code),
errorCodeToMessage(code));
}
} // namespace FileError
} // namespace blink
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