/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Unicode case conversion helpers. * * The Initial Developer of the Original Code is * Netscape Communications Corp.. * Portions created by the Initial Developer are Copyright (C) 2002 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Alec Flett * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #ifndef nsUnicharUtils_h__ #define nsUnicharUtils_h__ #ifndef nsAString_h___ #include "nsAString.h" #endif #include "nsReadableUtils.h" void ToLowerCase( nsAString& ); void ToUpperCase( nsAString& ); void ToLowerCase( nsASingleFragmentString& ); void ToUpperCase( nsASingleFragmentString& ); void ToLowerCase( nsString& ); void ToUpperCase( nsString& ); void ToLowerCase( const nsAString& aSource, nsAString& aDest ); void ToUpperCase( const nsAString& aSource, nsAString& aDest ); class nsCaseInsensitiveStringComparator : public nsStringComparator { public: virtual int operator()( const PRUnichar*, const PRUnichar*, PRUint32 aLength ) const; virtual int operator()( PRUnichar, PRUnichar ) const; }; inline PRBool CaseInsensitiveFindInReadable( const nsAString& aPattern, nsAString::const_iterator& aSearchStart, nsAString::const_iterator& aSearchEnd ) { return FindInReadable(aPattern, aSearchStart, aSearchEnd, nsCaseInsensitiveStringComparator()); } inline PRBool CaseInsensitiveFindInReadable( const nsAString& aPattern, const nsAString& aHay ) { nsAString::const_iterator searchBegin, searchEnd; return FindInReadable(aPattern, aHay.BeginReading(searchBegin), aHay.EndReading(searchEnd), nsCaseInsensitiveStringComparator()); } PRUnichar ToUpperCase(PRUnichar); PRUnichar ToLowerCase(PRUnichar); inline PRBool IsUpperCase(PRUnichar c) { return ToLowerCase(c) != c; } inline PRBool IsLowerCase(PRUnichar c) { return ToUpperCase(c) != c; } #define IS_HIGH_SURROGATE(u) ((PRUnichar)(u) >= (PRUnichar)0xd800 && (PRUnichar)(u) <= (PRUnichar)0xdbff) #define IS_LOW_SURROGATE(u) ((PRUnichar)(u) >= (PRUnichar)0xdc00 && (PRUnichar)(u) <= (PRUnichar)0xdfff) #define SURROGATE_TO_UCS4(h, l) ((((PRUint32)(h)-(PRUint32)0xd800) << 10) + \ (PRUint32)(l) - (PRUint32)(0xdc00) + 0x10000) #define H_SURROGATE(s) ((PRUnichar)(((PRUint32)s - (PRUint32)0x10000) >> 10) + (PRUnichar)0xd800) #define L_SURROGATE(s) ((PRUnichar)(((PRUint32)s - (PRUint32)0x10000) & 0x3ff) + (PRUnichar)0xdc00) #define IS_IN_BMP(ucs) ((PRUint32)ucs < 0x10000) /* (0x3131u <= (u) && (u) <= 0x318eu) => Hangul Compatibility Jamo */ /* (0xac00u <= (u) && (u) <= 0xd7a3u) => Hangul Syllables */ #define IS_CJ_CHAR(u) \ ((0x2e80u <= (u) && (u) <= 0x312fu) || \ (0x3190u <= (u) && (u) <= 0xabffu) || \ (0xf900u <= (u) && (u) <= 0xfaffu) || \ (0xff00u <= (u) && (u) <= 0xffefu) ) #endif /* nsUnicharUtils_h__ */