lib/dvb/metaparser.cpp

   1 #include <lib/dvb/metaparser.h>
   2 #include <lib/base/eerror.h>
   3 #include <errno.h>
   4
   5 eDVBMetaParser::eDVBMetaParser()
   6 {
   7         m_time_create = 0;
   8         m_data_ok = 0;
   9 }
  10
  11 int eDVBMetaParser::parseFile(const std::string &basename)
  12 {
  13                 /* first, try parsing the .meta file */
  14         if (!parseMeta(basename))
  15                 return 0;
  16
  17                 /* otherwise, use recordings.epl */
  18         return parseRecordings(basename);
  19 }
  20
  21 int eDVBMetaParser::parseMeta(const std::string &tsname)
  22 {
  23                 /* if it's a PVR channel, recover service id. */
  24         std::string filename = tsname + ".meta";
  25
  26         FILE *f = fopen(filename.c_str(), "r");
  27         if (!f)
  28                 return -ENOENT;
  29
  30         int linecnt = 0;
  31
  32         m_time_create = 0;
  33
  34         while (1)
  35         {
  36                 char line[1024];
  37                 if (!fgets(line, 1024, f))
  38                         break;
  39                 if (*line && line[strlen(line)-1] == '\n')
  40                         line[strlen(line)-1] = 0;
  41
  42                 if (*line && line[strlen(line)-1] == '\r')
  43                         line[strlen(line)-1] = 0;
  44
  45                 switch (linecnt)
  46                 {
  47                 case 0:
  48                         m_ref = eServiceReferenceDVB(line);
  49                         break;
  50                 case 1:
  51                         m_name = line;
  52                         break;
  53                 case 2:
  54                         m_description = line;
  55                         break;
  56                 case 3:
  57                         m_time_create = atoi(line);
  58                         break;
  59                 case 4:
  60                         m_tags = line;
  61                         break;
  62                 default:
  63                         break;
  64                 }
  65                 ++linecnt;
  66         }
  67         fclose(f);
  68         m_data_ok = 1;
  69         return 0;
  70 }
  71
  72 int eDVBMetaParser::parseRecordings(const std::string &filename)
  73 {
  74         std::string::size_type slash = filename.rfind('/');
  75         if (slash == std::string::npos)
  76                 return -1;
  77
  78         std::string recordings = filename.substr(0, slash) + "/recordings.epl";
  79
  80         FILE *f = fopen(recordings.c_str(), "r");
  81         if (!f)
  82         {
  83 //              eDebug("no recordings.epl found: %s: %m", recordings.c_str());
  84                 return -1;
  85         }
  86
  87         std::string description;
  88         eServiceReferenceDVB ref;
  89
  90 //      eDebug("parsing recordings.epl..");
  91
  92         while (1)
  93         {
  94                 char line[1024];
  95                 if (!fgets(line, 1024, f))
  96                         break;
  97
  98                 if (strlen(line))
  99                         line[strlen(line)-1] = 0;
 100
 101                 if (strlen(line) && line[strlen(line)-1] == '\r')
 102                         line[strlen(line)-1] = 0;
 103
 104                 if (!strncmp(line, "#SERVICE: ", 10))
 105                         ref = eServiceReferenceDVB(line + 10);
 106                 if (!strncmp(line, "#DESCRIPTION: ", 14))
 107                         description = line + 14;
 108
 109                 if ((line[0] == '/') && (ref.path == filename))
 110                 {
 111 //                      eDebug("hit! ref %s descr %s", m_ref.toString().c_str(), m_name.c_str());
 112                         m_ref = ref;
 113                         m_name = description;
 114                         m_description = "";
 115                         m_time_create = 0;
 116
 117                         m_data_ok = 1;
 118                         fclose(f);
 119                         return 0;
 120                 }
 121         }
 122         fclose(f);
 123         return -1;
 124 }
 125
 126 int eDVBMetaParser::updateMeta(const std::string &tsname)
 127 {
 128         if (!m_data_ok)
 129                 return -1;
 130         std::string filename = tsname + ".meta";
 131
 132         FILE *f = fopen(filename.c_str(), "w");
 133         if (!f)
 134                 return -ENOENT;
 135         fprintf(f, "%s\n%s\n%s\n%d\n%s\n", m_ref.toString().c_str(), m_name.c_str(), m_description.c_str(), m_time_create, m_tags.c_str());
 136         fclose(f);
 137         return 0;
 138 }