зеркало из https://github.com/mozilla/gecko-dev.git
103 строки
4.3 KiB
C
103 строки
4.3 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsNativeCharsetUtils_h__
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#define nsNativeCharsetUtils_h__
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/*****************************************************************************\
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* *
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* **** NOTICE **** *
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* *
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* *** THESE ARE NOT GENERAL PURPOSE CONVERTERS *** *
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* *
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* NS_CopyNativeToUnicode / NS_CopyUnicodeToNative should only be used *
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* for converting *FILENAMES* between native and unicode. They are not *
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* designed or tested for general encoding converter use. *
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* *
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\*****************************************************************************/
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/**
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* thread-safe conversion routines that do not depend on uconv libraries.
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*/
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#if defined(XP_WIN)
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#include "prtypes.h"
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NS_COM PRInt32 NS_ConvertAtoW(const char *aStrInA, int aBufferSize,
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PRUnichar *aStrOutW);
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// For path names, the default char cannot be '?', so we use '_' instead.
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NS_COM PRInt32 NS_ConvertWtoA(const PRUnichar *aStrInW, int aBufferSizeOut,
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char *aStrOutA, const char *aDefault="_");
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#endif
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NS_COM nsresult NS_CopyNativeToUnicode(const nsACString &input, nsAString &output);
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NS_COM nsresult NS_CopyUnicodeToNative(const nsAString &input, nsACString &output);
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/*
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* This function indicates whether the character encoding used in the file
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* system (more exactly what's used for |GetNativeFoo| and |SetNativeFoo|
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* of |nsILocalFile|) is UTF-8 or not. Knowing that helps us avoid an
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* unncessary encoding conversion in some cases. For instance, to get the leaf
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* name in UTF-8 out of nsILocalFile, we can just use |GetNativeLeafName| rather
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* than using |GetLeafName| and converting the result to UTF-8 if the file
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* system encoding is UTF-8.
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* On Unix (but not on Mac OS X), it depends on the locale and is not known
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* in advance (at the compilation time) so that this function needs to be
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* a real function. On Mac OS X and BeOS, it's always UTF-8 while on Windows
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* and other platforms (e.g. OS2), it's never UTF-8.
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*/
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#if defined(XP_UNIX) && !defined(XP_MACOSX)
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NS_COM PRBool NS_IsNativeUTF8();
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#else
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inline PRBool NS_IsNativeUTF8()
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{
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#if defined(XP_MACOSX) || defined(XP_BEOS)
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return PR_TRUE;
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#else
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return PR_FALSE;
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#endif
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}
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#endif
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/**
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* internal
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*/
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void NS_StartupNativeCharsetUtils();
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void NS_ShutdownNativeCharsetUtils();
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#endif // nsNativeCharsetUtils_h__
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