/* * 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 "wtf/PassRefPtr.h" #include "wtf/RefCounted.h" #include "wtf/text/WTFString.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