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70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/FileSystemUtils.h"
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#include "nsXULAppAPI.h"
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namespace mozilla {
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namespace dom {
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// static
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void
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FileSystemUtils::LocalPathToNormalizedPath(const nsAString& aLocal,
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nsAString& aNorm)
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{
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nsString result;
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result = aLocal;
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#if defined(XP_WIN)
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char16_t* cur = result.BeginWriting();
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char16_t* end = result.EndWriting();
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for (; cur < end; ++cur) {
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if (char16_t('\\') == *cur)
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*cur = char16_t('/');
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}
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#endif
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aNorm = result;
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}
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// static
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void
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FileSystemUtils::NormalizedPathToLocalPath(const nsAString& aNorm,
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nsAString& aLocal)
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{
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nsString result;
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result = aNorm;
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#if defined(XP_WIN)
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char16_t* cur = result.BeginWriting();
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char16_t* end = result.EndWriting();
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for (; cur < end; ++cur) {
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if (char16_t('/') == *cur)
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*cur = char16_t('\\');
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}
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#endif
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aLocal = result;
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}
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// static
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bool
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FileSystemUtils::IsDescendantPath(const nsAString& aPath,
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const nsAString& aDescendantPath)
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{
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// The descendant path should begin with its ancestor path.
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nsAutoString prefix;
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prefix = aPath + NS_LITERAL_STRING(FILESYSTEM_DOM_PATH_SEPARATOR);
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// Check the sub-directory path to see if it has the parent path as prefix.
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if (aDescendantPath.Length() < prefix.Length() ||
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!StringBeginsWith(aDescendantPath, prefix)) {
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return false;
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}
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return true;
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}
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} // namespace dom
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} // namespace mozilla
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