code.vuplus.com Git - vuplus_xbmc/blob - xbmc/filesystem/MusicDatabaseFile.cpp

   1 /*
   2  *      Copyright (C) 2005-2013 Team XBMC
   3  *      http://xbmc.org
   4  *
   5  *  This Program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  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 General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with XBMC; see the file COPYING.  If not, see
  17  *  <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #include "MusicDatabaseFile.h"
  22 #include "music/MusicDatabase.h"
  23 #include "URL.h"
  24 #include "utils/StringUtils.h"
  25 #include "utils/URIUtils.h"
  26
  27 #include <sys/stat.h>
  28
  29 using namespace XFILE;
  30
  31 CMusicDatabaseFile::CMusicDatabaseFile(void)
  32 {
  33 }
  34
  35 CMusicDatabaseFile::~CMusicDatabaseFile(void)
  36 {
  37   Close();
  38 }
  39
  40 CStdString CMusicDatabaseFile::TranslateUrl(const CURL& url)
  41 {
  42   CMusicDatabase musicDatabase;
  43   if (!musicDatabase.Open())
  44     return "";
  45
  46   CStdString strFileName=URIUtils::GetFileName(url.Get());
  47   CStdString strExtension = URIUtils::GetExtension(strFileName);
  48   URIUtils::RemoveExtension(strFileName);
  49
  50   if (!StringUtils::IsNaturalNumber(strFileName))
  51     return "";
  52
  53   long idSong=atol(strFileName.c_str());
  54
  55   CSong song;
  56   if (!musicDatabase.GetSong(idSong, song))
  57     return "";
  58
  59   if (!URIUtils::HasExtension(song.strFileName, strExtension))
  60     return "";
  61
  62   return song.strFileName;
  63 }
  64
  65 bool CMusicDatabaseFile::Open(const CURL& url)
  66 {
  67   return m_file.Open(TranslateUrl(url));
  68 }
  69
  70 bool CMusicDatabaseFile::Exists(const CURL& url)
  71 {
  72   return !TranslateUrl(url).empty();
  73 }
  74
  75 int CMusicDatabaseFile::Stat(const CURL& url, struct __stat64* buffer)
  76 {
  77   return m_file.Stat(TranslateUrl(url), buffer);
  78 }
  79
  80 unsigned int CMusicDatabaseFile::Read(void* lpBuf, int64_t uiBufSize)
  81 {
  82   return m_file.Read(lpBuf, uiBufSize);
  83 }
  84
  85 int64_t CMusicDatabaseFile::Seek(int64_t iFilePosition, int iWhence /*=SEEK_SET*/)
  86 {
  87   return m_file.Seek(iFilePosition, iWhence);
  88 }
  89
  90 void CMusicDatabaseFile::Close()
  91 {
  92   m_file.Close();
  93 }
  94
  95 int64_t CMusicDatabaseFile::GetPosition()
  96 {
  97   return m_file.GetPosition();
  98 }
  99
 100 int64_t CMusicDatabaseFile::GetLength()
 101 {
 102   return m_file.GetLength();
 103 }
 104