xpcom/string/nsTDependentString.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 void
   8 nsTDependentString_CharT::Rebind(const string_type& str, uint32_t startPos)
   9 {
  10   NS_ABORT_IF_FALSE(str.Flags() & F_TERMINATED, "Unterminated flat string");
  11
  12   // If we currently own a buffer, release it.
  13   Finalize();
  14
  15   size_type strLength = str.Length();
  16
  17   if (startPos > strLength) {
  18     startPos = strLength;
  19   }
  20
  21   mData = const_cast<char_type*>(static_cast<const char_type*>(str.Data())) + startPos;
  22   mLength = strLength - startPos;
  23
  24   SetDataFlags(str.Flags() & (F_TERMINATED | F_LITERAL));
  25 }