1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/filesystem/FileSystemUtils.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,76 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "mozilla/dom/FileSystemUtils.h"
1.11 +
1.12 +#include "nsXULAppAPI.h"
1.13 +
1.14 +namespace mozilla {
1.15 +namespace dom {
1.16 +
1.17 +// static
1.18 +void
1.19 +FileSystemUtils::LocalPathToNormalizedPath(const nsAString& aLocal,
1.20 + nsAString& aNorm)
1.21 +{
1.22 + nsString result;
1.23 + result = aLocal;
1.24 +#if defined(XP_WIN)
1.25 + char16_t* cur = result.BeginWriting();
1.26 + char16_t* end = result.EndWriting();
1.27 + for (; cur < end; ++cur) {
1.28 + if (char16_t('\\') == *cur)
1.29 + *cur = char16_t('/');
1.30 + }
1.31 +#endif
1.32 + aNorm = result;
1.33 +}
1.34 +
1.35 +// static
1.36 +void
1.37 +FileSystemUtils::NormalizedPathToLocalPath(const nsAString& aNorm,
1.38 + nsAString& aLocal)
1.39 +{
1.40 + nsString result;
1.41 + result = aNorm;
1.42 +#if defined(XP_WIN)
1.43 + char16_t* cur = result.BeginWriting();
1.44 + char16_t* end = result.EndWriting();
1.45 + for (; cur < end; ++cur) {
1.46 + if (char16_t('/') == *cur)
1.47 + *cur = char16_t('\\');
1.48 + }
1.49 +#endif
1.50 + aLocal = result;
1.51 +}
1.52 +
1.53 +// static
1.54 +bool
1.55 +FileSystemUtils::IsDescendantPath(const nsAString& aPath,
1.56 + const nsAString& aDescendantPath)
1.57 +{
1.58 + // The descendant path should begin with its ancestor path.
1.59 + nsAutoString prefix;
1.60 + prefix = aPath + NS_LITERAL_STRING(FILESYSTEM_DOM_PATH_SEPARATOR);
1.61 +
1.62 + // Check the sub-directory path to see if it has the parent path as prefix.
1.63 + if (aDescendantPath.Length() < prefix.Length() ||
1.64 + !StringBeginsWith(aDescendantPath, prefix)) {
1.65 + return false;
1.66 + }
1.67 +
1.68 + return true;
1.69 +}
1.70 +
1.71 +// static
1.72 +bool
1.73 +FileSystemUtils::IsParentProcess()
1.74 +{
1.75 + return XRE_GetProcessType() == GeckoProcessType_Default;
1.76 +}
1.77 +
1.78 +} // namespace dom
1.79 +} // namespace mozilla
