xbmc/playlists/PlayListWPL.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 "PlayListWPL.h"
  10
  11 #include "FileItem.h"
  12 #include "Util.h"
  13 #include "filesystem/File.h"
  14 #include "utils/StringUtils.h"
  15 #include "utils/URIUtils.h"
  16 #include "utils/XBMCTinyXML2.h"
  17 #include "utils/XMLUtils.h"
  18 #include "utils/log.h"
  19
  20 #include <iostream>
  21 #include <string>
  22
  23 using namespace XFILE;
  24
  25 /* ------------------------ example wpl playlist file ---------------------------------
  26   <?wpl version="1.0"?>
  27   <smil>
  28       <head>
  29           <meta name="Generator" content="Microsoft Windows Media Player -- 10.0.0.3646"/>
  30           <author/>
  31           <title>Playlist</title>
  32       </head>
  33       <body>
  34           <seq>
  35               <media src="E:\MP3\Track1.mp3"/>
  36               <media src="E:\MP3\Track2.mp3"/>
  37               <media src="E:\MP3\track3.mp3"/>
  38           </seq>
  39       </body>
  40   </smil>
  41 ------------------------ end of example wpl playlist file ---------------------------------*/
  42 //Note: File is utf-8 encoded by default
  43
  44 namespace KODI::PLAYLIST
  45 {
  46
  47 CPlayListWPL::CPlayListWPL(void) = default;
  48
  49 CPlayListWPL::~CPlayListWPL(void) = default;
  50
  51
  52 bool CPlayListWPL::LoadData(std::istream& stream)
  53 {
  54   CXBMCTinyXML2 xmlDoc;
  55
  56   std::string wplStream(std::istreambuf_iterator<char>(stream), {});
  57   xmlDoc.Parse(wplStream);
  58
  59   if (xmlDoc.Error())
  60   {
  61     CLog::Log(LOGERROR, "Unable to parse WPL info Error: {}", xmlDoc.ErrorStr());
  62     return false;
  63   }
  64
  65   auto* pRootElement = xmlDoc.RootElement();
  66   if (!pRootElement)
  67     return false;
  68
  69   auto* pHeadElement = pRootElement->FirstChildElement("head");
  70   if (pHeadElement )
  71   {
  72     auto* pTitelElement = pHeadElement->FirstChildElement("title");
  73     if (pTitelElement )
  74       m_strPlayListName = pTitelElement->Value();
  75   }
  76
  77   auto* pBodyElement = pRootElement->FirstChildElement("body");
  78   if (!pBodyElement)
  79     return false;
  80
  81   auto* pSeqElement = pBodyElement->FirstChildElement("seq");
  82   if (!pSeqElement)
  83     return false;
  84
  85   auto* pMediaElement = pSeqElement->FirstChildElement("media");
  86
  87   if (!pMediaElement)
  88     return false;
  89
  90   while (pMediaElement)
  91   {
  92     std::string strFileName = XMLUtils::GetAttribute(pMediaElement, "src");
  93     if (!strFileName.empty())
  94     {
  95       std::string strFileNameClean = URIUtils::SubstitutePath(strFileName);
  96       CUtil::GetQualifiedFilename(m_strBasePath, strFileNameClean);
  97       std::string strDescription = URIUtils::GetFileName(strFileNameClean);
  98       CFileItemPtr newItem(new CFileItem(strDescription));
  99       newItem->SetPath(strFileNameClean);
 100       Add(newItem);
 101     }
 102     pMediaElement = pMediaElement->NextSiblingElement();
 103   }
 104   return true;
 105 }
 106
 107 void CPlayListWPL::Save(const std::string& strFileName) const
 108 {
 109   if (!m_vecItems.size()) return ;
 110   std::string strPlaylist = CUtil::MakeLegalPath(strFileName);
 111   CFile file;
 112   if (!file.OpenForWrite(strPlaylist, true))
 113   {
 114     CLog::Log(LOGERROR, "Could not save WPL playlist: [{}]", strPlaylist);
 115     return ;
 116   }
 117   std::string write;
 118   write += StringUtils::Format("<?wpl version={}1.0{}>\n", 34, 34);
 119   write += StringUtils::Format("<smil>\n");
 120   write += StringUtils::Format("    <head>\n");
 121   write += StringUtils::Format("        <meta name={}Generator{} content={}Microsoft Windows Media "
 122                                "Player -- 10.0.0.3646{}/>\n",
 123                                34, 34, 34, 34);
 124   write += StringUtils::Format("        <author/>\n");
 125   write += StringUtils::Format("        <title>{}</title>\n", m_strPlayListName.c_str());
 126   write += StringUtils::Format("    </head>\n");
 127   write += StringUtils::Format("    <body>\n");
 128   write += StringUtils::Format("        <seq>\n");
 129   for (int i = 0; i < (int)m_vecItems.size(); ++i)
 130   {
 131     CFileItemPtr item = m_vecItems[i];
 132     write += StringUtils::Format("            <media src={}{}{}/>", 34, item->GetPath(), 34);
 133   }
 134   write += StringUtils::Format("        </seq>\n");
 135   write += StringUtils::Format("    </body>\n");
 136   write += StringUtils::Format("</smil>\n");
 137   file.Write(write.c_str(), write.size());
 138   file.Close();
 139 }
 140
 141 } // namespace KODI::PLAYLIST