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.h"
  23
  24 HStream::HStream() : size(0), pos(0)
  25 {
  26     seq = 0;
  27 }
  28
  29
  30 HStream::~HStream()
  31 {
  32     if( seq )
  33         free( seq );
  34 }
  35
  36
  37 void HStream::addData( const byte *buf, int aToAdd)
  38 {
  39     seq = (byte *)realloc( seq, size + aToAdd );
  40     memcpy( seq + size, buf, aToAdd );
  41     size += aToAdd;
  42 }
  43
  44
  45 int HStream::readBytes(byte * buf, int aToRead)
  46 {
  47     if (aToRead >= (size - pos))
  48         aToRead = size - pos;
  49     for (int i = 0; i < aToRead; i++)
  50         buf[i] = seq[pos++];
  51     return aToRead;
  52 }
  53
  54
  55 int HStream::skipBytes(int aToSkip)
  56 {
  57     if (aToSkip >= (size - pos))
  58         aToSkip = size - pos;
  59     pos += aToSkip;
  60     return aToSkip;
  61 }
  62
  63
  64 int HStream::available() const
  65 {
  66     return size - pos;
  67 }
  68
  69
  70 void HStream::closeInput()
  71 {
  72 }
  73
  74 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */