gecko/xpcom/string/public/nsString.h

236 lines
6.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* ***** 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 Mozilla.
*
* The Initial Developer of the Original Code is IBM Corporation.
* Portions created by IBM Corporation are Copyright (C) 2003
* IBM Corporation. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@meer.net>
*
* 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 nsString_h___
#define nsString_h___
#ifndef nsSubstring_h___
#include "nsSubstring.h"
#endif
#ifndef nsDependentSubstring_h___
#include "nsDependentSubstring.h"
#endif
#ifndef nsReadableUtils_h___
#include "nsReadableUtils.h"
#endif
#include NEW_H
// enable support for the obsolete string API if not explicitly disabled
#ifndef MOZ_STRING_WITH_OBSOLETE_API
#define MOZ_STRING_WITH_OBSOLETE_API 1
#endif
#if MOZ_STRING_WITH_OBSOLETE_API
// radix values for ToInteger/AppendInt
#define kRadix10 (10)
#define kRadix16 (16)
#define kAutoDetect (100)
#define kRadixUnknown (kAutoDetect+1)
#define IGNORE_CASE (PR_TRUE)
#endif
// declare nsString, et. al.
#include "string-template-def-unichar.h"
#include "nsTString.h"
#include "string-template-undef.h"
// declare nsCString, et. al.
#include "string-template-def-char.h"
#include "nsTString.h"
#include "string-template-undef.h"
PR_STATIC_ASSERT(sizeof(PRUnichar) == 2);
PR_STATIC_ASSERT(sizeof(nsString::char_type) == 2);
PR_STATIC_ASSERT(sizeof(nsCString::char_type) == 1);
/**
* A helper class that converts a UTF-16 string to ASCII in a lossy manner
*/
class NS_LossyConvertUTF16toASCII : public nsCAutoString
{
public:
explicit
NS_LossyConvertUTF16toASCII( const PRUnichar* aString )
{
LossyAppendUTF16toASCII(aString, *this);
}
NS_LossyConvertUTF16toASCII( const PRUnichar* aString, PRUint32 aLength )
{
LossyAppendUTF16toASCII(Substring(aString, aString + aLength), *this);
}
explicit
NS_LossyConvertUTF16toASCII( const nsAString& aString )
{
LossyAppendUTF16toASCII(aString, *this);
}
private:
// NOT TO BE IMPLEMENTED
NS_LossyConvertUTF16toASCII( char );
};
class NS_ConvertASCIItoUTF16 : public nsAutoString
{
public:
explicit
NS_ConvertASCIItoUTF16( const char* aCString )
{
AppendASCIItoUTF16(aCString, *this);
}
NS_ConvertASCIItoUTF16( const char* aCString, PRUint32 aLength )
{
AppendASCIItoUTF16(Substring(aCString, aCString + aLength), *this);
}
explicit
NS_ConvertASCIItoUTF16( const nsACString& aCString )
{
AppendASCIItoUTF16(aCString, *this);
}
private:
// NOT TO BE IMPLEMENTED
NS_ConvertASCIItoUTF16( PRUnichar );
};
/**
* A helper class that converts a UTF-16 string to UTF-8
*/
class NS_ConvertUTF16toUTF8 : public nsCAutoString
{
public:
explicit
NS_ConvertUTF16toUTF8( const PRUnichar* aString )
{
AppendUTF16toUTF8(aString, *this);
}
NS_ConvertUTF16toUTF8( const PRUnichar* aString, PRUint32 aLength )
{
AppendUTF16toUTF8(Substring(aString, aString + aLength), *this);
}
explicit
NS_ConvertUTF16toUTF8( const nsAString& aString )
{
AppendUTF16toUTF8(aString, *this);
}
private:
// NOT TO BE IMPLEMENTED
NS_ConvertUTF16toUTF8( char );
};
class NS_ConvertUTF8toUTF16 : public nsAutoString
{
public:
explicit
NS_ConvertUTF8toUTF16( const char* aCString )
{
AppendUTF8toUTF16(aCString, *this);
}
NS_ConvertUTF8toUTF16( const char* aCString, PRUint32 aLength )
{
AppendUTF8toUTF16(Substring(aCString, aCString + aLength), *this);
}
explicit
NS_ConvertUTF8toUTF16( const nsACString& aCString )
{
AppendUTF8toUTF16(aCString, *this);
}
private:
// NOT TO BE IMPLEMENTED
NS_ConvertUTF8toUTF16( PRUnichar );
};
// the following are included/declared for backwards compatibility
typedef nsAutoString nsVoidableString;
#ifndef nsDependentString_h___
#include "nsDependentString.h"
#endif
#ifndef nsLiteralString_h___
#include "nsLiteralString.h"
#endif
#ifndef nsPromiseFlatString_h___
#include "nsPromiseFlatString.h"
#endif
// need to include these for backwards compatibility
#include "nsMemory.h"
#include <string.h>
#include <stdio.h>
#include "plhash.h"
inline PRInt32 MinInt(PRInt32 x, PRInt32 y)
{
return NS_MIN(x, y);
}
inline PRInt32 MaxInt(PRInt32 x, PRInt32 y)
{
return NS_MAX(x, y);
}
/**
* Deprecated: don't use |Recycle|, just call |nsMemory::Free| directly
*
* Return the given buffer to the heap manager. Calls allocator::Free()
*/
inline void Recycle( char* aBuffer) { nsMemory::Free(aBuffer); }
inline void Recycle( PRUnichar* aBuffer) { nsMemory::Free(aBuffer); }
#endif // !defined(nsString_h___)