gecko/intl/unicharutil/util/nsUnicharUtils.h

118 lines
4.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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 <alecf@netscape.com>
* Benjamin Smedberg <benjamin@smedbergs.us>
*
* 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__
#include "nsStringGlue.h"
/* (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) )
void ToLowerCase(nsAString&);
void ToUpperCase(nsAString&);
void ToLowerCase(const nsAString& aSource, nsAString& aDest);
void ToUpperCase(const nsAString& aSource, nsAString& aDest);
PRUnichar ToUpperCase(PRUnichar);
PRUnichar ToLowerCase(PRUnichar);
inline PRBool IsUpperCase(PRUnichar c) {
return ToLowerCase(c) != c;
}
inline PRBool IsLowerCase(PRUnichar c) {
return ToUpperCase(c) != c;
}
#ifdef MOZILLA_INTERNAL_API
class nsCaseInsensitiveStringComparator : public nsStringComparator
{
public:
virtual int operator() (const PRUnichar*,
const PRUnichar*,
PRUint32 aLength) const;
virtual int operator() (PRUnichar,
PRUnichar) const;
};
class nsCaseInsensitiveStringArrayComparator
{
public:
template<class A, class B>
PRBool Equals(const A& a, const B& b) const {
return a.Equals(b, nsCaseInsensitiveStringComparator());
}
};
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());
}
#else // MOZILLA_INTERNAL_API
NS_HIDDEN_(PRInt32)
CaseInsensitiveCompare(const PRUnichar *a, const PRUnichar *b, PRUint32 len);
#endif // MOZILLA_INTERNAL_API
#endif /* nsUnicharUtils_h__ */