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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// File utilities that use the ICU library go in this file.
#include "base/files/file_path.h"
#include "base/i18n/base_i18n_export.h"
#include "base/strings/string16.h"
namespace base {
namespace i18n {
// Returns true if file_name does not have any illegal character. The input
// param has the same restriction as that for ReplaceIllegalCharacters.
BASE_I18N_EXPORT bool IsFilenameLegal(const string16& file_name);
// Replaces characters in |file_name| that are illegal for file names with
// |replace_char|. |file_name| must not be a full or relative path, but just the
// file name component (since slashes are considered illegal). Any leading or
// trailing whitespace or periods in |file_name| is also replaced with the
// |replace_char|.
// Example:
// "bad:file*name?.txt" will be turned into "bad_file_name_.txt" when
// |replace_char| is '_'.
// Warning: Do not use this function as the sole means of sanitizing a filename.
// While the resulting filename itself would be legal, it doesn't necessarily
// mean that the file will behave safely. On Windows, certain reserved names
// refer to devices rather than files (E.g. LPT1), and some filenames could be
// interpreted as shell namespace extensions (E.g. Foo.{<GUID>}).
// TODO(asanka): Move full filename sanitization logic here.
BASE_I18N_EXPORT void ReplaceIllegalCharactersInPath(
FilePath::StringType* file_name,
char replace_char);
// Compares two filenames using the current locale information. This can be
// used to sort directory listings. It behaves like "operator<" for use in
// std::sort.
BASE_I18N_EXPORT bool LocaleAwareCompareFilenames(const FilePath& a,
const FilePath& b);
// Calculates the canonical file-system representation of |file_name| base name.
// Modifies |file_name| in place. No-op if not on ChromeOS.
BASE_I18N_EXPORT void NormalizeFileNameEncoding(FilePath* file_name);
} // namespace i18n
} // namespace base
#endif // BASE_I18N_FILE_UTIL_ICU_H_