/* ***** 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 Property file to C++ array conversion code.
 *
 * The Initial Developer of the Original Code is
 * Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Henri Sivonen <hsivonen@iki.fi>
 *
 * 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 ***** */

#include "nsUConvPropertySearch.h"
#include "nsCRT.h"

// static
nsresult
nsUConvPropertySearch::SearchPropertyValue(const char* aProperties[][3],
                                           PRInt32 aNumberOfProperties,
                                           const nsACString& aKey,
                                           nsACString& aValue)
{
  const char* key = PromiseFlatCString(aKey).get();
  PRInt32 lo = 0;
  PRInt32 hi = aNumberOfProperties - 1;
  while (lo <= hi) {
    PRUint32 mid = (lo + hi) / 2;
    PRInt32 comp = nsCRT::strcmp(aProperties[mid][0], key);
    if (comp > 0) {
      hi = mid - 1;
    } else if (comp < 0) {
      lo = mid + 1;
    } else {
      nsDependentCString val(aProperties[mid][1],
                             NS_PTR_TO_UINT32(aProperties[mid][2]));
      aValue.Assign(val);
      return NS_OK;
    }
  }
  aValue.Truncate();
  return NS_ERROR_FAILURE;
}
