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/*
* Copyright (C) 2010 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.
*/
#ifndef DOMFilePath_h
#define DOMFilePath_h
#include "PlatformString.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
// DOMFileSystem path utilities. All methods in this class are static.
class DOMFilePath {
public:
static const char separator;
static const char root[];
// Returns the name part from the given path.
static String getName(const String& path);
// Returns the parent directory path of the given path.
static String getDirectory(const String& path);
// Checks if a given path is a parent of mayBeChild. This method assumes given paths are absolute and do not have extra references to a parent (i.e. "../").
static bool isParentOf(const String& path, const String& mayBeChild);
// Appends the separator at the end of the path if it's not there already.
static String ensureDirectoryPath(const String& path);
// Returns a new path by appending a separator and the supplied path component to the path.
static String append(const String& path, const String& component);
static bool isAbsolute(const String& path)
{
return path.startsWith(DOMFilePath::root);
}
static bool endsWithSeparator(const String& path)
{
return path[path.length() - 1] == DOMFilePath::separator;
}
// Evaluates all "../" and "./" segments. Note that "/../" expands to "/", so you can't ever refer to anything above the root directory.
static String removeExtraParentReferences(const String& path);
// Checks if the given path follows the FileSystem API naming restrictions.
static bool isValidPath(const String& path);
// Checks if the given name follows the FileSystem API naming restrictions.
static bool isValidName(const String& name);
private:
DOMFilePath() { }
};
} // namespace WebCore
#endif // DOMFilePath_h
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