shell/PosixFile.cpp

   1 /* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4 -*- */
   2 /* vi: set ts=4 sw=4 expandtab: (add to ~/.vimrc: set modeline modelines=5) */
   3 /* ***** BEGIN LICENSE BLOCK *****
   4 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version
   7 * 1.1 (the "License"); you may not use this file except in compliance with
   8 * the License. You may obtain a copy of the License at
   9 * http://www.mozilla.org/MPL/
  10 *
  11 * Software distributed under the License is distributed on an "AS IS" basis,
  12 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13 * for the specific language governing rights and limitations under the
  14 * License.
  15 *
  16 * The Original Code is [Open Source Virtual Machine.].
  17 *
  18 * The Initial Developer of the Original Code is
  19 * Adobe System Incorporated.
  20 * Portions created by the Initial Developer are Copyright (C) 2004-2006
  21 * the Initial Developer. All Rights Reserved.
  22 *
  23 * Contributor(s):
  24 *   Adobe AS3 Team
  25 *
  26 * Alternatively, the contents of this file may be used under the terms of
  27 * either the GNU General Public License Version 2 or later (the "GPL"), or
  28 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  29 * in which case the provisions of the GPL or the LGPL are applicable instead
  30 * of those above. If you wish to allow use of your version of this file only
  31 * under the terms of either the GPL or the LGPL, and not to allow others to
  32 * use your version of this file under the terms of the MPL, indicate your
  33 * decision by deleting the provisions above and replace them with the notice
  34 * and other provisions required by the GPL or the LGPL. If you do not delete
  35 * the provisions above, a recipient may use your version of this file under
  36 * the terms of any one of the MPL, the GPL or the LGPL.
  37 *
  38 * ***** END LICENSE BLOCK ***** */
  39
  40 #include "PosixFile.h"
  41
  42 namespace avmshell
  43 {
  44     PosixFile::~PosixFile()
  45     {
  46         if(file)
  47         {
  48             fclose(file);
  49         }
  50     }
  51
  52     bool PosixFile::open(const char* filename, File::OpenAttribute flags)
  53     {
  54         const char* fileAttributes[] = { "r", "w", "a", "rb", "wb", "ab" };
  55
  56         file = fopen(filename, fileAttributes[flags] );
  57
  58         return file != 0;
  59     }
  60
  61     void PosixFile::close()
  62     {
  63         fclose(file);
  64         file = 0;
  65     }
  66
  67     size_t PosixFile::read(void* buffer, size_t bytesToRead)
  68     {
  69         return fread(buffer, 1, bytesToRead, file);
  70     }
  71
  72     size_t PosixFile::write(const void* buffer, size_t bytesToWrite)
  73     {
  74         return fwrite(buffer, 1, bytesToWrite, file);
  75     }
  76
  77     int64_t PosixFile::getPosition() const
  78     {
  79         return ftell(file);
  80     }
  81
  82     bool PosixFile::setPosition(int64_t pos)
  83     {
  84         return fseek(file, pos, SEEK_SET) == 0;
  85     }
  86
  87     int64_t PosixFile::size() const
  88     {
  89         fseek(file, 0L, SEEK_END);
  90         int64_t pos = ftell(file);
  91         fseek (file, 0L, SEEK_SET);
  92
  93         return pos;
  94     }
  95
  96     bool PosixFile::isEOF() const
  97     {
  98         return feof(file) != 0;
  99     }
 100
 101 }