xbmc/filesystem/MusicDatabaseFile.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "MusicDatabaseFile.h"
  10
  11 #include "URL.h"
  12 #include "music/MusicDatabase.h"
  13 #include "utils/StringUtils.h"
  14 #include "utils/URIUtils.h"
  15
  16 using namespace XFILE;
  17
  18 CMusicDatabaseFile::CMusicDatabaseFile(void) = default;
  19
  20 CMusicDatabaseFile::~CMusicDatabaseFile(void)
  21 {
  22   Close();
  23 }
  24
  25 std::string CMusicDatabaseFile::TranslateUrl(const CURL& url)
  26 {
  27   CMusicDatabase musicDatabase;
  28   if (!musicDatabase.Open())
  29     return "";
  30
  31   std::string strFileName=URIUtils::GetFileName(url.Get());
  32   std::string strExtension = URIUtils::GetExtension(strFileName);
  33   URIUtils::RemoveExtension(strFileName);
  34
  35   if (!StringUtils::IsNaturalNumber(strFileName))
  36     return "";
  37
  38   int idSong = atoi(strFileName.c_str());
  39
  40   CSong song;
  41   if (!musicDatabase.GetSong(idSong, song))
  42     return "";
  43
  44   StringUtils::ToLower(strExtension);
  45   if (!URIUtils::HasExtension(song.strFileName, strExtension))
  46     return "";
  47
  48   return song.strFileName;
  49 }
  50
  51 bool CMusicDatabaseFile::Open(const CURL& url)
  52 {
  53   return m_file.Open(TranslateUrl(url));
  54 }
  55
  56 bool CMusicDatabaseFile::Exists(const CURL& url)
  57 {
  58   return !TranslateUrl(url).empty();
  59 }
  60
  61 int CMusicDatabaseFile::Stat(const CURL& url, struct __stat64* buffer)
  62 {
  63   return m_file.Stat(TranslateUrl(url), buffer);
  64 }
  65
  66 ssize_t CMusicDatabaseFile::Read(void* lpBuf, size_t uiBufSize)
  67 {
  68   return m_file.Read(lpBuf, uiBufSize);
  69 }
  70
  71 int64_t CMusicDatabaseFile::Seek(int64_t iFilePosition, int iWhence /*=SEEK_SET*/)
  72 {
  73   return m_file.Seek(iFilePosition, iWhence);
  74 }
  75
  76 void CMusicDatabaseFile::Close()
  77 {
  78   m_file.Close();
  79 }
  80
  81 int64_t CMusicDatabaseFile::GetPosition()
  82 {
  83   return m_file.GetPosition();
  84 }
  85
  86 int64_t CMusicDatabaseFile::GetLength()
  87 {
  88   return m_file.GetLength();
  89 }
  90