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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 "third_party/blink/renderer/core/fileapi/file_error.h"
#include "third_party/blink/public/platform/web_file_error.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/wtf/assertions.h"
namespace blink {
namespace FileError {
const char kAbortErrorMessage[] =
"An ongoing operation was aborted, typically with a call to abort().";
const char kEncodingErrorMessage[] =
"A URI supplied to the API was malformed, or the resulting Data URL has "
"exceeded the URL length limitations for Data URLs.";
const char kInvalidStateErrorMessage[] =
"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 kNoModificationAllowedErrorMessage[] =
"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 kNotFoundErrorMessage[] =
"A requested file or directory could not be found at the time an operation "
"was processed.";
const char kNotReadableErrorMessage[] =
"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 kPathExistsErrorMessage[] =
"An attempt was made to create a file or directory where an element "
"already exists.";
const char kQuotaExceededErrorMessage[] =
"The operation failed because it would cause the application to exceed its "
"storage quota.";
const char kSecurityErrorMessage[] =
"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 kSyntaxErrorMessage[] =
"An invalid or unsupported argument was given, like an invalid line ending "
"specifier.";
const char kTypeMismatchErrorMessage[] =
"The path supplied exists, but was not an entry of requested type.";
namespace {
DOMExceptionCode ErrorCodeToExceptionCode(ErrorCode code) {
switch (code) {
case kOK:
return DOMExceptionCode::kNoError;
case kNotFoundErr:
return DOMExceptionCode::kNotFoundError;
case kSecurityErr:
return DOMExceptionCode::kSecurityError;
case kAbortErr:
return DOMExceptionCode::kAbortError;
case kNotReadableErr:
return DOMExceptionCode::kNotReadableError;
case kEncodingErr:
return DOMExceptionCode::kEncodingError;
case kNoModificationAllowedErr:
return DOMExceptionCode::kNoModificationAllowedError;
case kInvalidStateErr:
return DOMExceptionCode::kInvalidStateError;
case kSyntaxErr:
return DOMExceptionCode::kSyntaxError;
case kInvalidModificationErr:
return DOMExceptionCode::kInvalidModificationError;
case kQuotaExceededErr:
return DOMExceptionCode::kQuotaExceededError;
case kTypeMismatchErr:
return DOMExceptionCode::kTypeMismatchError;
case kPathExistsErr:
return DOMExceptionCode::kPathExistsError;
default:
NOTREACHED();
return DOMExceptionCode::kUnknownError;
}
}
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 nullptr;
case kSecurityErr:
return kSecurityErrorMessage;
case kNotFoundErr:
return kNotFoundErrorMessage;
case kAbortErr:
return kAbortErrorMessage;
case kNotReadableErr:
return kNotReadableErrorMessage;
case kEncodingErr:
return kEncodingErrorMessage;
case kNoModificationAllowedErr:
return kNoModificationAllowedErrorMessage;
case kInvalidStateErr:
return kInvalidStateErrorMessage;
case kSyntaxErr:
return kSyntaxErrorMessage;
case kInvalidModificationErr:
return nullptr;
case kQuotaExceededErr:
return kQuotaExceededErrorMessage;
case kTypeMismatchErr:
return nullptr;
case kPathExistsErr:
return kPathExistsErrorMessage;
default:
NOTREACHED();
return nullptr;
}
}
} // namespace
void ThrowDOMException(ExceptionState& exception_state,
ErrorCode code,
String message) {
if (code == kOK)
return;
// SecurityError is special-cased, as we want to route those exceptions
// through ExceptionState::ThrowSecurityError.
if (code == kSecurityErr) {
exception_state.ThrowSecurityError(kSecurityErrorMessage);
return;
}
if (message.IsNull()) {
message = ErrorCodeToMessage(code);
}
exception_state.ThrowDOMException(ErrorCodeToExceptionCode(code), message);
}
DOMException* CreateDOMException(ErrorCode code) {
DCHECK_NE(code, kOK);
return DOMException::Create(ErrorCodeToExceptionCode(code),
ErrorCodeToMessage(code));
}
STATIC_ASSERT_ENUM(kWebFileErrorNotFound, kNotFoundErr);
STATIC_ASSERT_ENUM(kWebFileErrorSecurity, kSecurityErr);
STATIC_ASSERT_ENUM(kWebFileErrorAbort, kAbortErr);
STATIC_ASSERT_ENUM(kWebFileErrorNotReadable, kNotReadableErr);
STATIC_ASSERT_ENUM(kWebFileErrorEncoding, kEncodingErr);
STATIC_ASSERT_ENUM(kWebFileErrorNoModificationAllowed,
kNoModificationAllowedErr);
STATIC_ASSERT_ENUM(kWebFileErrorInvalidState, kInvalidStateErr);
STATIC_ASSERT_ENUM(kWebFileErrorSyntax, kSyntaxErr);
STATIC_ASSERT_ENUM(kWebFileErrorInvalidModification, kInvalidModificationErr);
STATIC_ASSERT_ENUM(kWebFileErrorQuotaExceeded, kQuotaExceededErr);
STATIC_ASSERT_ENUM(kWebFileErrorTypeMismatch, kTypeMismatchErr);
STATIC_ASSERT_ENUM(kWebFileErrorPathExists, kPathExistsErr);
} // namespace FileError
} // namespace blink
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