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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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.org code.
 *
 * The Initial Developer of the Original Code is 
 * Sun Microsystems, Inc.
 * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Created by: Paul Sandoz   <paul.sandoz@sun.com>
 * 
 * Contributor(s):
 *          Csaba Borbola <csaba.borbola@sun.com>
 *
 * 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 "nsAbUtils.h"
#include "nsCRT.h"
#include "nsString.h"
#include "nsReadableUtils.h"

/*
 * Convert the nsCStringArray to a char* array
 */
nsresult CStringArrayToCharPtrArray::Convert (nsCStringArray& array,
    PRUint32* returnPropertiesSize,
    char*** returnPropertiesArray,
    PRBool copyElements)
{
    PRUint32 size = array.Count ();
    if (size == 0)
        return NS_ERROR_FAILURE;

    if (!returnPropertiesSize || !returnPropertiesArray)
        return NS_ERROR_NULL_POINTER;

    *returnPropertiesSize = size;
    *returnPropertiesArray = NS_STATIC_CAST(char**, nsMemory::Alloc (sizeof (char* ) * size));
    if (!(*returnPropertiesArray))
        return NS_ERROR_OUT_OF_MEMORY;

    for (PRUint32 i = 0; i < size; i++)
    {

        if (copyElements == PR_TRUE)
            (*returnPropertiesArray)[i] = ToNewCString(*array[i]);
        else
            (*returnPropertiesArray)[i] = NS_CONST_CAST(char*, (*array[i]).get());
    }

    return NS_OK;
}

/*
 * Convert the char* array to nsCStringArray
 */
nsresult CharPtrArrayToCStringArray::Convert (nsCStringArray& returnPropertiesArray,
        PRUint32 arraySize,
        const char** array)
{
    if (!array)
        return NS_ERROR_NULL_POINTER;
    
    if (!arraySize)
        return NS_OK;

    returnPropertiesArray.Clear ();

    for (PRUint32 i = 0; i < arraySize; i++)
        returnPropertiesArray.AppendCString (nsCAutoString (array[i]));

    return NS_OK;
}

/*
 * Convert the PRUnichar* array to nsStringArray
 */
nsresult StringArrayToPRUnicharPtrArray::Convert (nsStringArray& array,
    PRUint32* returnPropertiesSize,
    PRUnichar*** returnPropertiesArray,
    PRBool copyElements)
{
    PRUint32 size = array.Count ();
    if (size == 0)
        return NS_ERROR_FAILURE;

    if (!returnPropertiesSize || !returnPropertiesArray)
        return NS_ERROR_NULL_POINTER;

    *returnPropertiesSize = size;
    *returnPropertiesArray = NS_STATIC_CAST(PRUnichar**, nsMemory::Alloc (sizeof (PRUnichar* ) * size));
    if (!(*returnPropertiesArray))
        return NS_ERROR_OUT_OF_MEMORY;

    for (PRUint32 i = 0; i < size; i++)
    {

        if (copyElements == PR_TRUE)
          (*returnPropertiesArray)[i] = ToNewUnicode(*array[i]);
        else
          (*returnPropertiesArray)[i] = NS_CONST_CAST(PRUnichar*, (*array[i]).get());
    }

    return NS_OK;
}

/*
 * Convert the PRUnichar* array to nsStringArray
 */
nsresult PRUnicharPtrArrayToStringArray::Convert (nsStringArray& returnPropertiesArray,
    PRUint32 arraySize,
    const PRUnichar** array)
{
    if (!array)
        return NS_ERROR_NULL_POINTER;
    
    if (!arraySize)
        return NS_OK;

    returnPropertiesArray.Clear ();

    for (PRUint32 i = 0; i < arraySize; i++)
        returnPropertiesArray.AppendString (nsAutoString (array[i]));

    return NS_OK;
}