gecko-dev/intl/unicharutil/public/nsICaseConversion.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* The Original Code is mozilla.org code.
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#ifndef nsICaseConversion_h__
#define nsICaseConversion_h__
#include "nsISupports.h"
#include "nscore.h"
#include "nsString.h"
// {07D3D8E0-9614-11d2-B3AD-00805F8A6670}
#define NS_ICASECONVERSION_IID \
{ 0x7d3d8e0, 0x9614, 0x11d2, \
{ 0xb3, 0xad, 0x0, 0x80, 0x5f, 0x8a, 0x66, 0x70 } }
class nsICaseConversion : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICASECONVERSION_IID)
// Convert one Unicode character into upper case
NS_IMETHOD ToUpper( PRUnichar aChar, PRUnichar* aReturn) = 0;
// Convert one Unicode character into lower case
NS_IMETHOD ToLower( PRUnichar aChar, PRUnichar* aReturn) = 0;
// Convert one Unicode character into title case
NS_IMETHOD ToTitle( PRUnichar aChar, PRUnichar* aReturn) = 0;
// Convert an array of Unicode characters into upper case
NS_IMETHOD ToUpper( const PRUnichar* anArray, PRUnichar* aReturn, PRUint32 aLen) = 0;
// Convert an array of Unicode characters into lower case
NS_IMETHOD ToLower( const PRUnichar* anArray, PRUnichar* aReturn, PRUint32 aLen) = 0;
// Convert an array of Unicode characters into title case
NS_IMETHOD ToTitle( const PRUnichar* anArray, PRUnichar* aReturn,
PRUint32 aLen, PRBool aStartInWordBundary=PR_TRUE) = 0;
// The following nsString flavor one know how to handle special casing
NS_IMETHOD ToUpper(const PRUnichar* anIn, PRUint32 aLen, nsString& anOut, const PRUnichar* aLocale=nsnull) = 0;
NS_IMETHOD ToLower(const PRUnichar* anIn, PRUint32 aLen, nsString& anOut, const PRUnichar* aLocale=nsnull ) = 0;
NS_IMETHOD ToTitle(const PRUnichar* anIn, PRUint32 aLen, nsString& anOut, const PRUnichar* aLocale=nsnull, PRBool aStartInWordBoundary=PR_TRUE) = 0;
// case-insensitive PRUnichar* comparison - aResult returns similar
// to strcasecmp
NS_IMETHOD CaseInsensitiveCompare(const PRUnichar* aLeft, const PRUnichar* aRight, PRUint32 aLength, PRInt32* aResult) = 0;
};
#endif /* nsICaseConversion_h__ */