From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- xpcom/io/nsNativeCharsetUtils.h | 52 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 xpcom/io/nsNativeCharsetUtils.h (limited to 'xpcom/io/nsNativeCharsetUtils.h') 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__ -- cgit v1.2.3