hwpfilter/source/hstream.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <string.h>
  21 #include <stdlib.h>
  22 #include "hstream.hxx"
  23
  24 HStream::HStream()
  25     : size(0)
  26     , pos(0)
  27 {
  28 }
  29
  30 void HStream::addData(const byte *buf, int aToAdd)
  31 {
  32     seq.resize(size + aToAdd);
  33     memcpy(seq.data() + size, buf, aToAdd);
  34     size += aToAdd;
  35 }
  36
  37 int HStream::readBytes(byte * buf, int aToRead)
  38 {
  39     if (aToRead >= (size - pos))
  40         aToRead = size - pos;
  41     for (int i = 0; i < aToRead; i++)
  42         buf[i] = seq[pos++];
  43     return aToRead;
  44 }
  45
  46 int HStream::skipBytes(int aToSkip)
  47 {
  48     if (aToSkip >= (size - pos))
  49         aToSkip = size - pos;
  50     pos += aToSkip;
  51     return aToSkip;
  52 }
  53
  54 int HStream::available() const
  55 {
  56     return size - pos;
  57 }
  58
  59 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */