зеркало из https://github.com/mozilla/gecko-dev.git
57 строки
1.7 KiB
C++
57 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsUnicodeToUCS2BE_h___
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#define nsUnicodeToUCS2BE_h___
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#include "nsUCSupport.h"
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class nsUnicodeToUTF16BE: public nsBasicEncoder
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{
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public:
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nsUnicodeToUTF16BE() { mBOM = 0;}
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//--------------------------------------------------------------------
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// Interface nsIUnicodeEncoder [declaration]
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NS_IMETHOD Convert(const PRUnichar * aSrc, PRInt32 * aSrcLength,
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char * aDest, PRInt32 * aDestLength);
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NS_IMETHOD GetMaxLength(const PRUnichar * aSrc, PRInt32 aSrcLength,
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PRInt32 * aDestLength);
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NS_IMETHOD Finish(char * aDest, PRInt32 * aDestLength);
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NS_IMETHOD Reset();
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NS_IMETHOD SetOutputErrorBehavior(PRInt32 aBehavior,
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nsIUnicharEncoder * aEncoder, PRUnichar aChar);
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protected:
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PRUnichar mBOM;
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NS_IMETHOD CopyData(char* aDest, const PRUnichar* aSrc, PRInt32 aLen );
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};
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class nsUnicodeToUTF16LE: public nsUnicodeToUTF16BE
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{
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public:
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nsUnicodeToUTF16LE() { mBOM = 0;}
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protected:
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NS_IMETHOD CopyData(char* aDest, const PRUnichar* aSrc, PRInt32 aLen );
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};
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// XXX In theory, we have to check the endianness at run-time because some
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// modern RISC processors can be run at both LE and BE.
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#ifdef IS_LITTLE_ENDIAN
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class nsUnicodeToUTF16: public nsUnicodeToUTF16LE
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#elif defined(IS_BIG_ENDIAN)
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class nsUnicodeToUTF16: public nsUnicodeToUTF16BE
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#else
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#error "Unknown endianness"
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#endif
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{
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public:
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nsUnicodeToUTF16() { mBOM = 0xFEFF;}
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};
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#endif /* nsUnicodeToUCS2BE_h___ */
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