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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /xpcom/io/nsNativeCharsetUtils.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | xpcom/io/nsNativeCharsetUtils.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/xpcom/io/nsNativeCharsetUtils.h b/xpcom/io/nsNativeCharsetUtils.h new file mode 100644 index 0000000000..dcbf60238f --- /dev/null +++ b/xpcom/io/nsNativeCharsetUtils.h @@ -0,0 +1,52 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsNativeCharsetUtils_h__ +#define nsNativeCharsetUtils_h__ + +/*****************************************************************************\ + * * + * **** NOTICE **** * + * * + * *** THESE ARE NOT GENERAL PURPOSE CONVERTERS *** * + * * + * NS_CopyNativeToUnicode / NS_CopyUnicodeToNative should only be used * + * for converting *FILENAMES* between bytes and UTF-16. They are not * + * designed or tested for general encoding converter use. * + * * + * On Windows, these functions convert to and from the system's legacy * + * code page, which cannot represent all of Unicode. Elsewhere, these * + * convert to and from UTF-8. * + * * +\*****************************************************************************/ + +#include "nsError.h" +#include "nsStringFwd.h" + +/** + * thread-safe conversion routines that do not depend on uconv libraries. + */ +nsresult NS_CopyNativeToUnicode(const nsACString& aInput, nsAString& aOutput); +nsresult NS_CopyUnicodeToNative(const nsAString& aInput, nsACString& aOutput); + +/* + * This function indicates whether the character encoding used in the file + * system (more exactly what's used for |GetNativeFoo| and |SetNativeFoo| + * of |nsIFile|) is UTF-8 or not. Knowing that helps us avoid an + * unncessary encoding conversion in some cases. For instance, to get the leaf + * name in UTF-8 out of nsIFile, we can just use |GetNativeLeafName| rather + * than using |GetLeafName| and converting the result to UTF-8 if the file + * system encoding is UTF-8. + */ +inline constexpr bool NS_IsNativeUTF8() { +#ifdef XP_WIN + return false; +#else + return true; +#endif +} + +#endif // nsNativeCharsetUtils_h__ |