зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.3 KiB
C++
73 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsUnicharUtils_h__
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#define nsUnicharUtils_h__
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#ifndef nsAString_h___
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#include "nsAString.h"
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#endif
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class nsASingleFragmentString;
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class nsString;
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void ToLowerCase( nsAString& );
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void ToUpperCase( nsAString& );
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void ToLowerCase( nsASingleFragmentString& );
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void ToUpperCase( nsASingleFragmentString& );
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void ToLowerCase( nsString& );
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void ToUpperCase( nsString& );
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void ToLowerCase( const nsAString& aSource, nsAString& aDest );
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void ToUpperCase( const nsAString& aSource, nsAString& aDest );
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PRBool CaseInsensitiveFindInReadable( const nsAString& aPattern, nsAString::const_iterator&, nsAString::const_iterator& );
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class nsCaseInsensitiveStringComparator
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: public nsStringComparator
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{
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public:
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virtual int operator()( const PRUnichar*, const PRUnichar*, PRUint32 aLength ) const;
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virtual int operator()( PRUnichar, PRUnichar ) const;
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};
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PRUnichar ToUpperCase(PRUnichar);
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PRUnichar ToLowerCase(PRUnichar);
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inline PRBool IsUpperCase(PRUnichar c) {
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return ToUpperCase(c) == c;
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}
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inline PRBool IsLowerCase(PRUnichar c) {
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return ToLowerCase(c) == c;
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}
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#define IS_HIGH_SURROGATE(u) ((PRUnichar)(u) >= (PRUnichar)0xd800 && (PRUnichar)(u) <= (PRUnichar)0xdbff)
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#define IS_LOW_SURROGATE(u) ((PRUnichar)(u) >= (PRUnichar)0xdc00 && (PRUnichar)(u) <= (PRUnichar)0xdfff)
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#define SURROGATE_TO_UCS4(h, l) ((((PRUint32)(h)-(PRUint32)0xd800) << 10) + \
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(PRUint32)(l) - (PRUint32)(0xdc00) + 0x10000)
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#endif /* nsUnicharUtils_h__ */
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