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59 lines
2.4 KiB
C++
59 lines
2.4 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_I18N_FILE_UTIL_ICU_H_
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#define BASE_I18N_FILE_UTIL_ICU_H_
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// File utilities that use the ICU library go in this file.
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#include "base/files/file_path.h"
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#include "base/i18n/base_i18n_export.h"
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#include "base/strings/string16.h"
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namespace base {
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namespace i18n {
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// Returns true if file_name does not have any illegal character. The input
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// param has the same restriction as that for ReplaceIllegalCharacters.
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BASE_I18N_EXPORT bool IsFilenameLegal(const string16& file_name);
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// Replaces characters in |file_name| that are illegal for file names with
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// |replace_char|. |file_name| must not be a full or relative path, but just the
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// file name component (since slashes are considered illegal). Any leading or
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// trailing whitespace or periods in |file_name| is also replaced with the
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// |replace_char|.
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//
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// Example:
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// "bad:file*name?.txt" will be turned into "bad_file_name_.txt" when
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// |replace_char| is '_'.
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//
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// Warning: Do not use this function as the sole means of sanitizing a filename.
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// While the resulting filename itself would be legal, it doesn't necessarily
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// mean that the file will behave safely. On Windows, certain reserved names
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// refer to devices rather than files (E.g. LPT1), and some filenames could be
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// interpreted as shell namespace extensions (E.g. Foo.{<GUID>}).
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//
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// On Windows, Chrome OS and Mac, the file system encoding is already known and
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// parsed as UTF-8 and UTF-16 accordingly.
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// On Linux, the file name will be parsed as UTF8.
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// TODO(asanka): Move full filename sanitization logic here.
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BASE_I18N_EXPORT void ReplaceIllegalCharactersInPath(
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FilePath::StringType* file_name,
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char replace_char);
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// Compares two filenames using the current locale information. This can be
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// used to sort directory listings. It behaves like "operator<" for use in
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// std::sort.
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BASE_I18N_EXPORT bool LocaleAwareCompareFilenames(const FilePath& a,
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const FilePath& b);
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// Calculates the canonical file-system representation of |file_name| base name.
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// Modifies |file_name| in place. No-op if not on ChromeOS.
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BASE_I18N_EXPORT void NormalizeFileNameEncoding(FilePath* file_name);
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} // namespace i18n
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} // namespace base
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#endif // BASE_I18N_FILE_UTIL_ICU_H_
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