xbmc/playlists/PlayListB4S.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 "PlayListB4S.h"
  10
  11 #include "FileItem.h"
  12 #include "Util.h"
  13 #include "filesystem/File.h"
  14 #include "music/tags/MusicInfoTag.h"
  15 #include "utils/StringUtils.h"
  16 #include "utils/URIUtils.h"
  17 #include "utils/XBMCTinyXML2.h"
  18 #include "utils/XMLUtils.h"
  19 #include "utils/log.h"
  20
  21 #include <iostream>
  22 #include <string>
  23
  24 using namespace XFILE;
  25
  26 /* ------------------------ example b4s playlist file ---------------------------------
  27  <?xml version="1.0" encoding='UTF-8' standalone="yes"?>
  28  <WinampXML>
  29  <!-- Generated by: Nullsoft Winamp3 version 3.0d -->
  30   <playlist num_entries="2" label="Playlist 001">
  31    <entry Playstring="file:E:\Program Files\Winamp3\demo.mp3">
  32     <Name>demo</Name>
  33     <Length>5982</Length>
  34    </entry>
  35    <entry Playstring="file:E:\Program Files\Winamp3\demo.mp3">
  36     <Name>demo</Name>
  37     <Length>5982</Length>
  38    </entry>
  39   </playlist>
  40  </WinampXML>
  41 ------------------------ end of example b4s playlist file ---------------------------------*/
  42
  43 namespace KODI::PLAYLIST
  44 {
  45
  46 CPlayListB4S::CPlayListB4S(void) = default;
  47
  48 CPlayListB4S::~CPlayListB4S(void) = default;
  49
  50
  51 bool CPlayListB4S::LoadData(std::istream& stream)
  52 {
  53   CXBMCTinyXML2 xmlDoc;
  54
  55   std::string b4sStream(std::istreambuf_iterator<char>(stream), {});
  56
  57   xmlDoc.Parse(b4sStream);
  58
  59   if (xmlDoc.Error())
  60   {
  61     CLog::Log(LOGERROR, "Unable to parse B4S info Error: {}", xmlDoc.ErrorStr());
  62     return false;
  63   }
  64
  65   auto* pRootElement = xmlDoc.RootElement();
  66   if (!pRootElement)
  67     return false;
  68
  69   auto* pPlayListElement = pRootElement->FirstChildElement("playlist");
  70   if (!pPlayListElement)
  71     return false;
  72
  73   m_strPlayListName = XMLUtils::GetAttribute(pPlayListElement, "label");
  74
  75   auto* pEntryElement = pPlayListElement->FirstChildElement("entry");
  76
  77   if (!pEntryElement)
  78     return false;
  79
  80   while (pEntryElement)
  81   {
  82     std::string strFileName = XMLUtils::GetAttribute(pEntryElement, "Playstring");
  83     size_t iColon = strFileName.find(':');
  84     if (iColon != std::string::npos)
  85     {
  86       iColon++;
  87       strFileName.erase(0, iColon);
  88     }
  89     if (strFileName.size())
  90     {
  91       auto* pNodeInfo = pEntryElement->FirstChildElement("Name");
  92       auto* pNodeLength = pEntryElement->FirstChildElement("Length");
  93       long lDuration = 0;
  94       if (pNodeLength)
  95       {
  96         lDuration = atol(pNodeLength->FirstChild()->Value());
  97       }
  98       if (pNodeInfo)
  99       {
 100         std::string strInfo = pNodeInfo->FirstChild()->Value();
 101         strFileName = URIUtils::SubstitutePath(strFileName);
 102         CUtil::GetQualifiedFilename(m_strBasePath, strFileName);
 103         CFileItemPtr newItem(new CFileItem(strInfo));
 104         newItem->SetPath(strFileName);
 105         newItem->GetMusicInfoTag()->SetDuration(lDuration);
 106         Add(newItem);
 107       }
 108     }
 109     pEntryElement = pEntryElement->NextSiblingElement();
 110   }
 111   return true;
 112 }
 113
 114 void CPlayListB4S::Save(const std::string& strFileName) const
 115 {
 116   if (!m_vecItems.size()) return ;
 117   std::string strPlaylist = strFileName;
 118   strPlaylist = CUtil::MakeLegalPath(std::move(strPlaylist));
 119   CFile file;
 120   if (!file.OpenForWrite(strPlaylist, true))
 121   {
 122     CLog::Log(LOGERROR, "Could not save B4S playlist: [{}]", strPlaylist);
 123     return ;
 124   }
 125   std::string write;
 126   write += StringUtils::Format("<?xml version={}1.0{} encoding='UTF-8' standalone={}yes{}?>\n", 34,
 127                                34, 34, 34);
 128   write += StringUtils::Format("<WinampXML>\n");
 129   write += StringUtils::Format("  <playlist num_entries=\"{0}\" label=\"{1}\">\n",
 130                                m_vecItems.size(), m_strPlayListName);
 131   for (int i = 0; i < (int)m_vecItems.size(); ++i)
 132   {
 133     const CFileItemPtr item = m_vecItems[i];
 134     write += StringUtils::Format("    <entry Playstring={}file:{}{}>\n", 34, item->GetPath(), 34);
 135     write += StringUtils::Format("      <Name>{}</Name>\n", item->GetLabel().c_str());
 136     write +=
 137         StringUtils::Format("      <Length>{}</Length>\n", item->GetMusicInfoTag()->GetDuration());
 138   }
 139   write += StringUtils::Format("  </playlist>\n");
 140   write += StringUtils::Format("</WinampXML>\n");
 141   file.Write(write.c_str(), write.size());
 142   file.Close();
 143 }
 144
 145 } // namespace KODI::PLAYLIST