hwpfilter/source/hstream.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*************************************************************************
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * Copyright 2000, 2010 Oracle and/or its affiliates.
   7  *
   8  * OpenOffice.org - a multi-platform office productivity suite
   9  *
  10  * This file is part of OpenOffice.org.
  11  *
  12  * OpenOffice.org is free software: you can redistribute it and/or modify
  13  * it under the terms of the GNU Lesser General Public License version 3
  14  * only, as published by the Free Software Foundation.
  15  *
  16  * OpenOffice.org is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU Lesser General Public License version 3 for more details
  20  * (a copy is included in the LICENSE file that accompanied this code).
  21  *
  22  * You should have received a copy of the GNU Lesser General Public License
  23  * version 3 along with OpenOffice.org.  If not, see
  24  * <http://www.openoffice.org/license.html>
  25  * for a copy of the LGPLv3 License.
  26  *
  27  ************************************************************************/
  28
  29 #include <string.h>
  30 #include <stdlib.h>
  31 #include "hstream.h"
  32
  33 HStream::HStream() : size(0), pos(0)
  34 {
  35     seq = 0;
  36 }
  37
  38
  39 HStream::~HStream()
  40 {
  41     if( seq )
  42         free( seq );
  43 }
  44
  45
  46 void HStream::addData( const byte *buf, int aToAdd)
  47 {
  48     seq = (byte *)realloc( seq, size + aToAdd );
  49     memcpy( seq + size, buf, aToAdd );
  50     size += aToAdd;
  51 }
  52
  53
  54 int HStream::readBytes(byte * buf, int aToRead)
  55 {
  56     if (aToRead >= (size - pos))
  57         aToRead = size - pos;
  58     for (int i = 0; i < aToRead; i++)
  59         buf[i] = seq[pos++];
  60     return aToRead;
  61 }
  62
  63
  64 int HStream::skipBytes(int aToSkip)
  65 {
  66     if (aToSkip >= (size - pos))
  67         aToSkip = size - pos;
  68     pos += aToSkip;
  69     return aToSkip;
  70 }
  71
  72
  73 int HStream::available() const
  74 {
  75     return size - pos;
  76 }
  77
  78
  79 void HStream::closeInput()
  80 {
  81 }
  82
  83 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */