1 /*
   2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
   3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4 *
   5 * This code is free software; you can redistribute it and/or modify it
   6 * under the terms of the GNU General Public License version 2 only, as
   7 * published by the Free Software Foundation.  Oracle designates this
   8 * particular file as subject to the "Classpath" exception as provided
   9 * by Oracle in the LICENSE file that accompanied this code.
  10 *
  11 * This code is distributed in the hope that it will be useful, but WITHOUT
  12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 * version 2 for more details (a copy is included in the LICENSE file that
  15 * accompanied this code).
  16 *
  17 * You should have received a copy of the GNU General Public License version
  18 * 2 along with this work; if not, write to the Free Software Foundation,
  19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20 *
  21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22 * or visit www.oracle.com if you need additional information or have any
  23 * questions.
  24 */
  25 
  26 #ifndef BYTEBUFFER_H
  27 #define BYTEBUFFER_H
  28 
  29 #include <windows.h>
  30 #include <vector>
  31 
  32 using std::wstring;
  33 
  34 class ByteBuffer
  35 {
  36 public:
  37     ByteBuffer();
  38     ~ByteBuffer();
  39 
  40     LPBYTE getPtr();
  41     size_t getPos();
  42 
  43     void AppendString(wstring str);
  44     void AppendWORD(WORD word);
  45     void AppendBytes(BYTE* ptr, size_t len);
  46 
  47     void ReplaceWORD(size_t offset, WORD word);
  48     void ReplaceBytes(size_t offset, BYTE* ptr, size_t len);
  49 
  50     void Align(size_t bytesNumber);
  51 
  52 private:
  53     std::vector<BYTE> buffer;
  54 };
  55 
  56 #endif // BYTEBUFFER_H