FryingPan/DTLib/FileWriter.cpp

   1 /*
   2  * FryingPan - Amiga CD/DVD Recording Software (User Interface and supporting Libraries only)
   3  * Copyright (C) 2001-2011 Tomasz Wiszkowski Tomasz.Wiszkowski at gmail.com
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public License
   7  * as published by the Free Software Foundation; either version 2.1
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #include "FileWriter.h"
  21 #include <libclass/dos.h>
  22 #include <Optical/Optical.h>
  23 #include <LibC/LibC.h>
  24 #include <libclass/utility.h>
  25
  26 FileWriter::FileWriter(const char* sFName, EDtError &rc)
  27 {
  28    sFileName   = sFName;
  29    fh          = 0;
  30    isLE        = true;
  31    sectorSize  = 2352;
  32
  33    fh = DOS->Open(const_cast<char*>(getFileName()), MODE_NEWFILE);
  34    if (fh == 0)
  35       rc = DT_UnableToOpenFile;
  36    else
  37       rc = DT_OK;
  38 }
  39
  40 FileWriter::~FileWriter()
  41 {
  42 }
  43
  44 BPTR                       FileWriter::getFile()
  45 {
  46    return fh;
  47 }
  48
  49 const char*                FileWriter::getFileName()
  50 {
  51    return sFileName.Data();
  52 }
  53
  54 bool                       FileWriter::writeData(void* buffer, int len)
  55 {
  56    ASSERT(buffer != 0);
  57    ASSERT(fh != 0);
  58
  59    if (fh == 0)
  60       return false;
  61
  62    if (NULL == buffer)
  63       return false;
  64
  65    if (0 == len)
  66       return false;
  67
  68    long k;
  69    short *b = (short*)buffer;
  70
  71    if (false == isLE)
  72    {
  73       k = len * sectorSize;
  74       while (k)
  75       {
  76          *b = ((*b&0xff00)>>8)|((*b&0xff)<<8);
  77          b++;
  78          k-=2;
  79       }
  80    }
  81
  82    k = DOS->Write(fh, buffer, len*sectorSize)/sectorSize;
  83
  84    if (k != len)
  85       return false;
  86
  87    return true;
  88 }
  89
  90 void                       FileWriter::setLittleEndian(bool isLittle)
  91 {
  92    isLE = isLittle;
  93 }
  94
  95 bool                       FileWriter::setUp()
  96 {
  97    ASSERT(fh != 0);
  98    if (fh == 0)
  99       return false;
 100    return true;
 101 }
 102
 103 void                       FileWriter::cleanUp()
 104 {
 105    if (0 != fh)
 106       DOS->Close(fh);
 107 }
 108
 109 const char                *FileWriter::getTrackName()
 110 {
 111     return getFileName();
 112 }
 113
 114 void                       FileWriter::dispose()
 115 {
 116     delete this;
 117 }
 118
 119 unsigned short             FileWriter::getBlockSize()
 120 {
 121    return sectorSize;
 122 }
 123
 124 unsigned long              FileWriter::getBlockCount()
 125 {
 126    return sectorCount;
 127 }
 128
 129 void                       FileWriter::setBlockSize(unsigned short size)
 130 {
 131    sectorSize = size;
 132 }
 133
 134 void                       FileWriter::setBlockCount(unsigned long count)
 135 {
 136    sectorCount = count;
 137 }
 138
 139 void                       FileWriter::deleteFiles()
 140 {
 141    if (fh != 0)
 142       DOS->Close(fh);
 143    fh = 0;
 144
 145    DOS->DeleteFile((char*)getFileName());
 146 }
 147
 148
 149 // vim: ts=3 et