gecko-dev/js/loader/ResolveResult.h

52 строки
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef js_loader_ResolveResult_h
#define js_loader_ResolveResult_h
#include "mozilla/ResultVariant.h"
#include "mozilla/NotNull.h"
#include "nsIURI.h"
namespace JS::loader {
enum class ResolveError : uint8_t {
ModuleResolveFailure,
BlockedByNullEntry,
BlockedByAfterPrefix,
BlockedByBacktrackingPrefix,
InvalidBareSpecifier
};
struct ResolveErrorInfo {
static const char* GetString(ResolveError aError) {
switch (aError) {
case ResolveError::ModuleResolveFailure:
return "ModuleResolveFailure";
case ResolveError::BlockedByNullEntry:
return "ImportMapResolutionBlockedByNullEntry";
case ResolveError::BlockedByAfterPrefix:
return "ImportMapResolutionBlockedByAfterPrefix";
case ResolveError::BlockedByBacktrackingPrefix:
return "ImportMapResolutionBlockedByBacktrackingPrefix";
case ResolveError::InvalidBareSpecifier:
return "ImportMapResolveInvalidBareSpecifier";
default:
MOZ_CRASH("Unexpected ResolveError value");
}
}
};
/**
* ResolveResult is used to store the result of 'resolving a module specifier',
* which could be an URI on success or a ResolveError on failure.
*/
using ResolveResult =
mozilla::Result<mozilla::NotNull<nsCOMPtr<nsIURI>>, ResolveError>;
} // namespace JS::loader
#endif // js_loader_ResolveResult_h