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+/*
+ * Copyright 2009, 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.
+ */
+
+
+// This file contains the declaration for some convenience functions
+// used to make FilePaths more useful.
+
+#ifndef O3D_UTILS_CROSS_FILE_PATH_UTILS_H_
+#define O3D_UTILS_CROSS_FILE_PATH_UTILS_H_
+
+#include <string>
+#include "core/cross/types.h"
+
+class FilePath;
+
+namespace o3d {
+// TODO: Go through the process to add these to FilePath
+// itself in the Chromium depot.
+
+std::wstring FilePathToWide(const FilePath& input);
+FilePath WideToFilePath(const std::wstring& input);
+String FilePathToUTF8(const FilePath& input);
+FilePath UTF8ToFilePath(const String& input);
+
+// On Windows, this is just the same as file_util::AbsolutePath.
+// On the Posix implementation of file_util::AbsolutePath,
+// realpath() is used, which only works if the path actually exists.
+// So, we try using AbsolutePath, and if it doesn't work, we fake it
+// by just prepending the cwd if it's not already an absolute path.
+bool AbsolutePath(FilePath* abs_path);
+
+// If the candidate is a child (a file or directory in a subdir of the
+// base directory or the base directory itself), then we figure out
+// the relative path to it.  If not, then we just return the absolute
+// path to the candidate.  Does not return any paths that would
+// require use of ".." to form a relative path.  Returns true if the
+// path returned in "result" is a relative path.
+bool GetRelativePathIfPossible(const FilePath& base_dir,
+                               const FilePath& candidate,
+                               FilePath *result);
+
+}  // namespace o3d
+
+#endif  // O3D_UTILS_CROSS_FILE_PATH_UTILS_H_