зеркало из https://github.com/mozilla/pjs.git
99 строки
3.4 KiB
C++
99 строки
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 Communicator client code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
*
|
|
* 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 NPL, 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 NPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
|
|
#include "nsUnicodeToUEscape.h"
|
|
#include "nsUCSupport.h"
|
|
#include <string.h>
|
|
|
|
char hexarray[]="0123456789ABCDEF";
|
|
NS_IMETHODIMP nsUnicodeToUEscape::Convert(const PRUnichar * aSrc, PRInt32 * aSrcLength,
|
|
char * aDest, PRInt32 * aDestLength)
|
|
{
|
|
const PRUnichar *src = aSrc;
|
|
const PRUnichar *srcEnd = aSrc + *aSrcLength;
|
|
char * dest = aDest;
|
|
const char * destEnd = aDest + *aDestLength;
|
|
|
|
while(( src < srcEnd) && (dest<destEnd))
|
|
{
|
|
if(0x0000 == ( 0xFF80 & (*src)) )
|
|
{
|
|
if( PRUnichar('\\') == *src)
|
|
{
|
|
if(( PRUnichar('n') == *(1+src))||
|
|
( PRUnichar('r') == *(1+src))||
|
|
( PRUnichar('t') == *(1+src)))
|
|
{
|
|
*dest++ = (char) *src;
|
|
} else {
|
|
if((dest +2 ) >= destEnd)
|
|
goto error;
|
|
*dest++ = (char) '\\';
|
|
*dest++ = (char) '\\';
|
|
}
|
|
} else {
|
|
*dest++ = (char) *src;
|
|
}
|
|
} else {
|
|
if((dest +6 ) >= destEnd)
|
|
goto error;
|
|
*dest++ = (char) '\\';
|
|
*dest++ = (char) 'u';
|
|
*dest++ = (char) hexarray[0x0f & (*src >> 12)];
|
|
*dest++ = (char) hexarray[0x0f & (*src >> 8)];
|
|
*dest++ = (char) hexarray[0x0f & (*src >> 4)];
|
|
*dest++ = (char) hexarray[0x0f & (*src)];
|
|
}
|
|
src++;
|
|
}
|
|
|
|
*aSrcLength = src - aSrc;
|
|
*aDestLength = dest - aDest;
|
|
return NS_OK;
|
|
error:
|
|
*aSrcLength = src - aSrc;
|
|
*aDestLength = dest - aDest;
|
|
return NS_OK_UDEC_MOREOUTPUT;
|
|
}
|
|
nsresult NEW_UnicodeToUEscape(nsISupports **aResult)
|
|
{
|
|
*aResult = (nsIUnicodeEncoder*)new nsUnicodeToUEscape();
|
|
return (NULL == *aResult) ? NS_ERROR_OUT_OF_MEMORY : NS_OK;
|
|
}
|