code.vuplus.com Git - vuplus_dvbapp/blob - lib/dvb/db.cpp

   1 #include <errno.h>
   2 #include <lib/dvb/db.h>
   3 #include <lib/dvb/dvb.h>
   4 #include <lib/dvb/frontend.h>
   5 #include <lib/dvb/epgcache.h>
   6 #include <lib/base/eenv.h>
   7 #include <lib/base/eerror.h>
   8 #include <lib/base/estring.h>
   9 #include <xmlccwrap/xmlccwrap.h>
  10 #include <dvbsi++/service_description_section.h>
  11 #include <dvbsi++/descriptor_tag.h>
  12 #include <dvbsi++/service_descriptor.h>
  13 #include <dvbsi++/satellite_delivery_system_descriptor.h>
  14
  15 DEFINE_REF(eDVBService);
  16
  17 RESULT eBouquet::addService(const eServiceReference &ref, eServiceReference before)
  18 {
  19         list::iterator it =
  20                 std::find(m_services.begin(), m_services.end(), ref);
  21         if ( it != m_services.end() )
  22                 return -1;
  23         if (before.valid())
  24         {
  25                 it = std::find(m_services.begin(), m_services.end(), before);
  26                 m_services.insert(it, ref);
  27         }
  28         else
  29                 m_services.push_back(ref);
  30         return 0;
  31 }
  32
  33 RESULT eBouquet::removeService(const eServiceReference &ref)
  34 {
  35         list::iterator it =
  36                 std::find(m_services.begin(), m_services.end(), ref);
  37         if ( it == m_services.end() )
  38                 return -1;
  39         m_services.erase(it);
  40         return 0;
  41 }
  42
  43 RESULT eBouquet::moveService(const eServiceReference &ref, unsigned int pos)
  44 {
  45         if ( pos < 0 || pos >= m_services.size() )
  46                 return -1;
  47         ++pos;
  48         list::iterator source=m_services.end();
  49         list::iterator dest=m_services.end();
  50         bool forward = false;
  51         for (list::iterator it(m_services.begin()); it != m_services.end(); ++it)
  52         {
  53                 if (dest == m_services.end() && !--pos)
  54                         dest = it;
  55                 if (*it == ref)
  56                 {
  57                         source = it;
  58                         forward = pos>0;
  59                 }
  60                 if (dest != m_services.end() && source != m_services.end())
  61                         break;
  62         }
  63         if (dest == m_services.end() || source == m_services.end() || source == dest)
  64                 return -1;
  65         while (source != dest)
  66         {
  67                 if (forward)
  68                         std::iter_swap(source++, source);
  69                 else
  70                         std::iter_swap(source--, source);
  71         }
  72         return 0;
  73 }
  74
  75 RESULT eBouquet::flushChanges()
  76 {
  77         FILE *f=fopen(eEnv::resolve("${sysconfdir}/enigma2/" + m_filename).c_str(), "w");
  78         if (!f)
  79                 return -1;
  80         if ( fprintf(f, "#NAME %s\r\n", m_bouquet_name.c_str()) < 0 )
  81                 goto err;
  82         for (list::iterator i(m_services.begin()); i != m_services.end(); ++i)
  83         {
  84                 eServiceReference tmp = *i;
  85                 std::string str = tmp.path;
  86                 if ( fprintf(f, "#SERVICE %s\r\n", tmp.toString().c_str()) < 0 )
  87                         goto err;
  88                 if ( i->name.length() )
  89                         if ( fprintf(f, "#DESCRIPTION %s\r\n", i->name.c_str()) < 0 )
  90                                 goto err;
  91         }
  92         fclose(f);
  93         return 0;
  94 err:
  95         fclose(f);
  96         eDebug("couldn't write file %s", m_filename.c_str());
  97         return -1;
  98 }
  99
 100 RESULT eBouquet::setListName(const std::string &name)
 101 {
 102         m_bouquet_name = name;
 103         return 0;
 104 }
 105
 106 eDVBService::eDVBService()
 107         :m_cache(0), m_flags(0)
 108 {
 109 }
 110
 111 eDVBService::~eDVBService()
 112 {
 113         delete [] m_cache;
 114 }
 115
 116 eDVBService &eDVBService::operator=(const eDVBService &s)
 117 {
 118         m_service_name = s.m_service_name;
 119         m_service_name_sort = s.m_service_name_sort;
 120         m_provider_name = s.m_provider_name;
 121         m_flags = s.m_flags;
 122         m_ca = s.m_ca;
 123         copyCache(s.m_cache);
 124         return *this;
 125 }
 126
 127 void eDVBService::genSortName()
 128 {
 129         m_service_name_sort = removeDVBChars(m_service_name);
 130         makeUpper(m_service_name_sort);
 131         while ((!m_service_name_sort.empty()) && m_service_name_sort[0] == ' ')
 132                 m_service_name_sort.erase(0, 1);
 133
 134                 /* put unnamed services at the end, not at the beginning. */
 135         if (m_service_name_sort.empty())
 136                 m_service_name_sort = "\xFF";
 137 }
 138
 139 RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
 140 {
 141         if (!ref.name.empty())
 142                 name = ref.name; // use renamed service name..
 143         else if (!m_service_name.empty())
 144                 name = m_service_name;
 145         else
 146                 name = "(...)";
 147         return 0;
 148 }
 149
 150 RESULT eDVBService::getEvent(const eServiceReference &ref, ePtr<eServiceEvent> &ptr, time_t start_time)
 151 {
 152         return eEPGCache::getInstance()->lookupEventTime(ref, start_time, ptr);
 153 }
 154
 155 int eDVBService::isPlayable(const eServiceReference &ref, const eServiceReference &ignore, bool simulate)
 156 {
 157         ePtr<eDVBResourceManager> res_mgr;
 158         if ( eDVBResourceManager::getInstance( res_mgr ) )
 159                 eDebug("isPlayble... no res manager!!");
 160         else
 161         {
 162                 eDVBChannelID chid, chid_ignore;
 163                 ((const eServiceReferenceDVB&)ref).getChannelID(chid);
 164                 ((const eServiceReferenceDVB&)ignore).getChannelID(chid_ignore);
 165                 return res_mgr->canAllocateChannel(chid, chid_ignore, simulate);
 166         }
 167         return 0;
 168 }
 169
 170 int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
 171 {
 172         int res = 0;
 173         switch (query.m_type)
 174         {
 175         case eDVBChannelQuery::tName:
 176                 res = m_service_name_sort == query.m_string;
 177                 break;
 178         case eDVBChannelQuery::tProvider:
 179                 if (query.m_string == "Unknown" && m_provider_name.empty())
 180                         res = 1;
 181                 else
 182                         res = m_provider_name == query.m_string;
 183                 break;
 184         case eDVBChannelQuery::tType:
 185         {
 186                 int service_type = ref.getServiceType();
 187                 if (query.m_int == 1) // TV Service
 188                 {
 189                         // Hack for dish network
 190                         int onid = ref.getOriginalNetworkID().get();
 191                         if (onid >= 0x1001 && onid <= 0x100b)
 192                         {
 193                                 static int dish_tv_types[] = { 128, 133, 137, 140, 144, 145, 150, 154, 160, 163, 164, 165, 166, 167, 168, 173, 174 };
 194                                 static size_t dish_tv_num_types = sizeof(dish_tv_types) / sizeof(int);
 195                                 if (std::binary_search(dish_tv_types, dish_tv_types + dish_tv_num_types, service_type))
 196                                         return true;
 197                         }
 198                 }
 199                 res = service_type == query.m_int;
 200                 break;
 201         }
 202         case eDVBChannelQuery::tBouquet:
 203                 res = 0;
 204                 break;
 205         case eDVBChannelQuery::tSatellitePosition:
 206                 res = ((unsigned int)ref.getDVBNamespace().get())>>16 == (unsigned int)query.m_int;
 207                 break;
 208         case eDVBChannelQuery::tFlags:
 209                 res = (m_flags & query.m_int) == query.m_int;
 210                 break;
 211         case eDVBChannelQuery::tChannelID:
 212         {
 213                 eDVBChannelID chid;
 214                 ref.getChannelID(chid);
 215                 res = chid == query.m_channelid;
 216                 break;
 217         }
 218         case eDVBChannelQuery::tAND:
 219                 res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
 220                 break;
 221         case eDVBChannelQuery::tOR:
 222                 res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
 223                 break;
 224         case eDVBChannelQuery::tAny:
 225                 res = 1;
 226                 break;
 227         }
 228
 229         if (query.m_inverse)
 230                 return !res;
 231         else
 232                 return res;
 233 }
 234
 235 bool eDVBService::cacheEmpty()
 236 {
 237         if (m_cache)
 238                 for (int i=0; i < cacheMax; ++i)
 239                         if (m_cache[i] != -1)
 240                                 return false;
 241         return true;
 242 }
 243
 244 void eDVBService::initCache()
 245 {
 246         m_cache = new int[cacheMax];
 247         memset(m_cache, -1, sizeof(int) * cacheMax);
 248 }
 249
 250 void eDVBService::copyCache(int *source)
 251 {
 252         if (source)
 253         {
 254                 if (!m_cache)
 255                         m_cache = new int[cacheMax];
 256                 memcpy(m_cache, source, cacheMax * sizeof(int));
 257         }
 258         else
 259         {
 260                 delete [] m_cache;
 261                 m_cache = 0;
 262         }
 263 }
 264
 265 int eDVBService::getCacheEntry(cacheID id)
 266 {
 267         if (id >= cacheMax || !m_cache)
 268                 return -1;
 269         return m_cache[id];
 270 }
 271
 272 void eDVBService::setCacheEntry(cacheID id, int pid)
 273 {
 274         if (!m_cache)
 275                 initCache();
 276         if (id < cacheMax)
 277                 m_cache[id] = pid;
 278 }
 279
 280 DEFINE_REF(eDVBDB);
 281
 282 void eDVBDB::reloadServicelist()
 283 {
 284         loadServicelist(eEnv::resolve("${sysconfdir}/enigma2/lamedb").c_str());
 285 }
 286
 287 void eDVBDB::parseServiceData(ePtr<eDVBService> s, std::string str)
 288 {
 289         while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
 290         {
 291                 size_t c=str.find(',');
 292                 char p=str[0];
 293                 std::string v;
 294                 if (c == std::string::npos)
 295                 {
 296                         v=str.substr(2);
 297                         str="";
 298                 } else
 299                 {
 300                         v=str.substr(2, c-2);
 301                         str=str.substr(c+1);
 302                 }
 303 //              eDebug("%c ... %s", p, v.c_str());
 304                 if (p == 'p')
 305                         s->m_provider_name=v;
 306                 else if (p == 'f')
 307                 {
 308                         sscanf(v.c_str(), "%x", &s->m_flags);
 309                 } else if (p == 'c')
 310                 {
 311                         int cid, val;
 312                         sscanf(v.c_str(), "%02d%x", &cid, &val);
 313                         s->setCacheEntry((eDVBService::cacheID)cid,val);
 314                 } else if (p == 'C')
 315                 {
 316                         int val;
 317                         sscanf(v.c_str(), "%04x", &val);
 318                         s->m_ca.push_front((uint16_t)val);
 319                 }
 320         }
 321 }
 322
 323         /* THIS CODE IS BAD. it should be replaced by somethine better. */
 324 void eDVBDB::loadServicelist(const char *file)
 325 {
 326         eDebug("---- opening lame channel db");
 327         FILE *f=fopen(file, "rt");
 328         if (!f) {
 329                 eDebug("can't open %s: %m", file);
 330                 return;
 331         }
 332
 333         char line[256];
 334         int version=3;
 335         if ((!fgets(line, 256, f)) || sscanf(line, "eDVB services /%d/", &version) != 1)
 336         {
 337                 eDebug("not a valid servicefile");
 338                 fclose(f);
 339                 return;
 340         }
 341         eDebug("reading services (version %d)", version);
 342         if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
 343         {
 344                 eDebug("services invalid, no transponders");
 345                 fclose(f);
 346                 return;
 347         }
 348
 349         // clear all transponders
 350
 351         while (!feof(f))
 352         {
 353                 if (!fgets(line, 256, f))
 354                         break;
 355                 if (!strcmp(line, "end\n"))
 356                         break;
 357                 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
 358                 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
 359                 if (original_network_id == -1)
 360                         continue;
 361                 eDVBChannelID channelid = eDVBChannelID(
 362                         eDVBNamespace(dvb_namespace),
 363                         eTransportStreamID(transport_stream_id),
 364                         eOriginalNetworkID(original_network_id));
 365
 366                 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
 367                 while (!feof(f))
 368                 {
 369                         fgets(line, 256, f);
 370                         if (!strcmp(line, "/\n"))
 371                                 break;
 372                         if (line[1]=='s')
 373                         {
 374                                 eDVBFrontendParametersSatellite sat;
 375                                 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion,
 376                                         flags=0,
 377                                         system=eDVBFrontendParametersSatellite::System_DVB_S,
 378                                         modulation=eDVBFrontendParametersSatellite::Modulation_QPSK,
 379                                         rolloff=eDVBFrontendParametersSatellite::RollOff_alpha_0_35,
 380                                         pilot=eDVBFrontendParametersSatellite::Pilot_Unknown;
 381                                 if (version == 3)
 382                                         sscanf(line+3, "%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion, &system, &modulation, &rolloff, &pilot);
 383                                 else
 384                                         sscanf(line+3, "%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion, &flags, &system, &modulation, &rolloff, &pilot);
 385                                 sat.frequency = frequency;
 386                                 sat.symbol_rate = symbol_rate;
 387                                 sat.polarisation = polarisation;
 388                                 sat.fec = fec;
 389                                 sat.orbital_position =
 390                                         orbital_position < 0 ? orbital_position + 3600 : orbital_position;
 391                                 sat.inversion = inversion;
 392                                 sat.system = system;
 393                                 sat.modulation = modulation;
 394                                 sat.rolloff = rolloff;
 395                                 sat.pilot = pilot;
 396                                 feparm->setDVBS(sat);
 397                                 feparm->setFlags(flags);
 398                         } else if (line[1]=='t')
 399                         {
 400                                 eDVBFrontendParametersTerrestrial ter;
 401                                 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion, flags = 0, plpid = 0;
 402                                 int system=eDVBFrontendParametersTerrestrial::System_DVB_T;
 403                                 sscanf(line+3, "%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", &frequency, &bandwidth, &code_rate_HP, &code_rate_LP, &modulation, &transmission_mode, &guard_interval, &hierarchy, &inversion, &flags, &system, &plpid);
 404                                 ter.frequency = frequency;
 405                                 ter.bandwidth = bandwidth;
 406                                 ter.code_rate_HP = code_rate_HP;
 407                                 ter.code_rate_LP = code_rate_LP;
 408                                 ter.modulation = modulation;
 409                                 ter.transmission_mode = transmission_mode;
 410                                 ter.guard_interval = guard_interval;
 411                                 ter.hierarchy = hierarchy;
 412                                 ter.inversion = inversion;
 413                                 ter.system = system;
 414                                 ter.plpid = plpid;
 415                                 feparm->setDVBT(ter);
 416                                 feparm->setFlags(flags);
 417                         } else if (line[1]=='c')
 418                         {
 419                                 eDVBFrontendParametersCable cab;
 420                                 int frequency, symbol_rate,
 421                                         inversion=eDVBFrontendParametersCable::Inversion_Unknown,
 422                                         modulation=eDVBFrontendParametersCable::Modulation_Auto,
 423                                         fec_inner=eDVBFrontendParametersCable::FEC_Auto,
 424                                         flags=0;
 425                                 sscanf(line+3, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation, &fec_inner, &flags);
 426                                 cab.frequency = frequency;
 427                                 cab.fec_inner = fec_inner;
 428                                 cab.inversion = inversion;
 429                                 cab.symbol_rate = symbol_rate;
 430                                 cab.modulation = modulation;
 431                                 feparm->setDVBC(cab);
 432                                 feparm->setFlags(flags);
 433                         }
 434                 }
 435                 addChannelToList(channelid, feparm);
 436         }
 437
 438         if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
 439         {
 440                 eDebug("services invalid, no services");
 441                 return;
 442         }
 443
 444         // clear all services
 445
 446         int count=0;
 447
 448         while (!feof(f))
 449         {
 450                 if (!fgets(line, 256, f))
 451                         break;
 452                 if (!strcmp(line, "end\n"))
 453                         break;
 454
 455                 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
 456                 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
 457                 if (service_number == -1)
 458                         continue;
 459                 ePtr<eDVBService> s = new eDVBService;
 460                 eServiceReferenceDVB ref =
 461                                                 eServiceReferenceDVB(
 462                                                 eDVBNamespace(dvb_namespace),
 463                                                 eTransportStreamID(transport_stream_id),
 464                                                 eOriginalNetworkID(original_network_id),
 465                                                 eServiceID(service_id),
 466                                                 service_type);
 467                 count++;
 468                 fgets(line, 256, f);
 469                 if (strlen(line))
 470                         line[strlen(line)-1]=0;
 471
 472                 s->m_service_name = line;
 473                 s->genSortName();
 474
 475                 fgets(line, 256, f);
 476                 if (strlen(line))
 477                         line[strlen(line)-1]=0;
 478                 if (line[1]!=':')       // old ... (only service_provider)
 479                         s->m_provider_name=line;
 480                 else
 481                         parseServiceData(s, line);
 482                 addService(ref, s);
 483         }
 484
 485         eDebug("loaded %d services", count);
 486
 487         fclose(f);
 488 }
 489
 490 void eDVBDB::saveServicelist(const char *file)
 491 {
 492         eDebug("---- saving lame channel db");
 493         FILE *f=fopen(file, "w");
 494         int channels=0, services=0;
 495         if (!f)
 496                 eFatal("couldn't save lame channel db!");
 497         fprintf(f, "eDVB services /4/\n");
 498         fprintf(f, "transponders\n");
 499         for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
 500                         i != m_channels.end(); ++i)
 501         {
 502                 const eDVBChannelID &chid = i->first;
 503                 const channel &ch = i->second;
 504
 505                 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
 506                                 chid.transport_stream_id.get(), chid.original_network_id.get());
 507                 eDVBFrontendParametersSatellite sat;
 508                 eDVBFrontendParametersTerrestrial ter;
 509                 eDVBFrontendParametersCable cab;
 510                 unsigned int flags;  // flagOnlyFree yet..
 511                 ch.m_frontendParameters->getFlags(flags);
 512                 if (!ch.m_frontendParameters->getDVBS(sat))
 513                 {
 514                         if (sat.system == eDVBFrontendParametersSatellite::System_DVB_S2)
 515                         {
 516                                 fprintf(f, "\ts %d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d\n",
 517                                         sat.frequency, sat.symbol_rate,
 518                                         sat.polarisation, sat.fec,
 519                                         sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
 520                                         sat.inversion,
 521                                         flags,
 522                                         sat.system,
 523                                         sat.modulation,
 524                                         sat.rolloff,
 525                                         sat.pilot);
 526                         }
 527                         else
 528                         {
 529                                 fprintf(f, "\ts %d:%d:%d:%d:%d:%d:%d\n",
 530                                         sat.frequency, sat.symbol_rate,
 531                                         sat.polarisation, sat.fec,
 532                                         sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
 533                                         sat.inversion, flags);
 534                         }
 535                 }
 536                 else if (!ch.m_frontendParameters->getDVBT(ter))
 537                 {
 538                         fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d\n",
 539                                 ter.frequency, ter.bandwidth, ter.code_rate_HP,
 540                                 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
 541                                 ter.guard_interval, ter.hierarchy, ter.inversion, flags, ter.system, ter.plpid);
 542                 }
 543                 else if (!ch.m_frontendParameters->getDVBC(cab))
 544                 {
 545                         fprintf(f, "\tc %d:%d:%d:%d:%d:%d\n",
 546                                 cab.frequency, cab.symbol_rate, cab.inversion, cab.modulation, cab.fec_inner, flags);
 547                 }
 548                 fprintf(f, "/\n");
 549                 channels++;
 550         }
 551         fprintf(f, "end\nservices\n");
 552
 553         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
 554                 i != m_services.end(); ++i)
 555         {
 556                 const eServiceReferenceDVB &s = i->first;
 557                 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
 558                                 s.getServiceID().get(), s.getDVBNamespace().get(),
 559                                 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
 560                                 s.getServiceType(),
 561                                 0);
 562
 563                 fprintf(f, "%s\n", i->second->m_service_name.c_str());
 564
 565                 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
 566
 567                 // write cached pids
 568                 for (int x=0; x < eDVBService::cacheMax; ++x)
 569                 {
 570                         int entry = i->second->getCacheEntry((eDVBService::cacheID)x);
 571                         if (entry != -1)
 572                                 fprintf(f, ",c:%02d%04x", x, entry);
 573                 }
 574
 575                 // write cached ca pids
 576                 for (CAID_LIST::const_iterator ca(i->second->m_ca.begin());
 577                         ca != i->second->m_ca.end(); ++ca)
 578                         fprintf(f, ",C:%04x", *ca);
 579
 580                 if (i->second->m_flags)
 581                         fprintf(f, ",f:%x", i->second->m_flags);
 582
 583                 fprintf(f, "\n");
 584                 services++;
 585         }
 586         fprintf(f, "end\nHave a lot of bugs!\n");
 587         eDebug("saved %d channels and %d services!", channels, services);
 588         fclose(f);
 589 }
 590
 591 void eDVBDB::saveServicelist()
 592 {
 593         saveServicelist(eEnv::resolve("${sysconfdir}/enigma2/lamedb").c_str());
 594 }
 595
 596 void eDVBDB::loadBouquet(const char *path)
 597 {
 598         std::string bouquet_name = path;
 599         if (!bouquet_name.length())
 600         {
 601                 eDebug("Bouquet load failed.. no path given..");
 602                 return;
 603         }
 604         size_t pos = bouquet_name.rfind('/');
 605         if ( pos != std::string::npos )
 606                 bouquet_name.erase(0, pos+1);
 607         if (bouquet_name.empty())
 608         {
 609                 eDebug("Bouquet load failed.. no filename given..");
 610                 return;
 611         }
 612         eBouquet &bouquet = m_bouquets[bouquet_name];
 613         bouquet.m_filename = bouquet_name;
 614         std::list<eServiceReference> &list = bouquet.m_services;
 615         list.clear();
 616
 617         std::string p = eEnv::resolve("${sysconfdir}/enigma2/");
 618         p+=path;
 619         eDebug("loading bouquet... %s", p.c_str());
 620         FILE *fp=fopen(p.c_str(), "rt");
 621         if (!fp)
 622         {
 623                 eDebug("can't open %s: %m", p.c_str());
 624                 if (!strcmp(path, "bouquets.tv"))
 625                 {
 626                         eDebug("recreate bouquets.tv");
 627                         bouquet.m_bouquet_name="Bouquets (TV)";
 628                         bouquet.flushChanges();
 629                 }
 630                 else if (!strcmp(path, "bouquets.radio"))
 631                 {
 632                         eDebug("recreate bouquets.radio");
 633                         bouquet.m_bouquet_name="Bouquets (Radio)";
 634                         bouquet.flushChanges();
 635                 }
 636                 return;
 637         }
 638         int entries=0;
 639         size_t linesize = 256;
 640         char *line = (char*)malloc(linesize);
 641         bool read_descr=false;
 642         eServiceReference *e = NULL;
 643         while (1)
 644         {
 645                 int len;
 646                 if ((len = getline(&line, &linesize, fp)) < 2) break;
 647                 /* strip newline */
 648                 line[--len] = 0;
 649                 /* strip carriage return (when found) */
 650                 if (line[len - 1] == '\r') line[--len] = 0;
 651                 if (line[0]=='#')
 652                 {
 653                         if (!strncmp(line, "#SERVICE", 8))
 654                         {
 655                                 int offs = line[8] == ':' ? 10 : 9;
 656                                 eServiceReference tmp(line+offs);
 657                                 if ( tmp.flags&eServiceReference::canDescent )
 658                                 {
 659                                         size_t pos = tmp.path.rfind('/');
 660                                         char buf[256];
 661                                         std::string path = tmp.path;
 662                                         if ( pos != std::string::npos )
 663                                                 path.erase(0, pos+1);
 664                                         if (path.empty())
 665                                         {
 666                                                 eDebug("Bouquet load failed.. no filename given..");
 667                                                 continue;
 668                                         }
 669                                         pos = path.find("FROM BOUQUET ");
 670                                         if (pos != std::string::npos)
 671                                         {
 672                                                 char endchr = path[pos+13];
 673                                                 if (endchr != '"')
 674                                                 {
 675                                                         eDebug("ignore invalid bouquet '%s' (only \" are allowed)",
 676                                                                 tmp.toString().c_str());
 677                                                         continue;
 678                                                 }
 679                                                 char *beg = &path[pos+14];
 680                                                 char *end = strchr(beg, endchr);
 681                                                 path.assign(beg, end - beg);
 682                                         }
 683                                         else
 684                                         {
 685                                                 snprintf(buf, 256, "FROM BOUQUET \"%s\" ORDER BY bouquet", path.c_str());
 686                                                 tmp.path = buf;
 687                                         }
 688                                         loadBouquet(path.c_str());
 689                                 }
 690                                 list.push_back(tmp);
 691                                 e = &list.back();
 692                                 read_descr=true;
 693                                 ++entries;
 694                         }
 695                         else if (read_descr && !strncmp(line, "#DESCRIPTION", 12))
 696                         {
 697                                 int offs = line[12] == ':' ? 14 : 13;
 698                                 e->name = line+offs;
 699                                 read_descr=false;
 700                         }
 701                         else if (!strncmp(line, "#NAME ", 6))
 702                                 bouquet.m_bouquet_name=line+6;
 703                         continue;
 704                 }
 705         }
 706         free(line);
 707         fclose(fp);
 708         eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
 709 }
 710
 711 void eDVBDB::reloadBouquets()
 712 {
 713         m_bouquets.clear();
 714         loadBouquet("bouquets.tv");
 715         loadBouquet("bouquets.radio");
 716 // create default bouquets when missing
 717         if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
 718         {
 719                 eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
 720                 b.m_filename = "userbouquet.favourites.tv";
 721                 b.m_bouquet_name = "Favourites (TV)";
 722                 b.flushChanges();
 723                 eServiceReference ref;
 724                 memset(ref.data, 0, sizeof(ref.data));
 725                 ref.type=1;
 726                 ref.flags=7;
 727                 ref.data[0]=1;
 728                 ref.path="FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
 729                 eBouquet &parent = m_bouquets["bouquets.tv"];
 730                 parent.m_services.push_back(ref);
 731                 parent.flushChanges();
 732         }
 733         if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
 734         {
 735                 eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
 736                 b.m_filename = "userbouquet.favourites.radio";
 737                 b.m_bouquet_name = "Favourites (Radio)";
 738                 b.flushChanges();
 739                 eServiceReference ref;
 740                 memset(ref.data, 0, sizeof(ref.data));
 741                 ref.type=1;
 742                 ref.flags=7;
 743                 ref.data[0]=2;
 744                 ref.path="FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
 745                 eBouquet &parent = m_bouquets["bouquets.radio"];
 746                 parent.m_services.push_back(ref);
 747                 parent.flushChanges();
 748         }
 749 }
 750
 751 eDVBDB *eDVBDB::instance;
 752
 753 using namespace xmlcc;
 754
 755 eDVBDB::eDVBDB()
 756 {
 757         instance = this;
 758         reloadServicelist();
 759 }
 760
 761 PyObject *eDVBDB::readSatellites(ePyObject sat_list, ePyObject sat_dict, ePyObject tp_dict)
 762 {
 763         if (!PyDict_Check(tp_dict)) {
 764                 PyErr_SetString(PyExc_StandardError,
 765                         "type error");
 766                         eDebug("arg 2 is not a python dict");
 767                 return NULL;
 768         }
 769         else if (!PyDict_Check(sat_dict))
 770         {
 771                 PyErr_SetString(PyExc_StandardError,
 772                         "type error");
 773                         eDebug("arg 1 is not a python dict");
 774                 return NULL;
 775         }
 776         else if (!PyList_Check(sat_list))
 777         {
 778                 PyErr_SetString(PyExc_StandardError,
 779                         "type error");
 780                         eDebug("arg 0 is not a python list");
 781                 return NULL;
 782         }
 783         XMLTree tree;
 784         tree.setFilename("/etc/tuxbox/satellites.xml");
 785         tree.read();
 786         Element *root = tree.getRoot();
 787         if (!root)
 788         {
 789                 eDebug("couldn't open /etc/tuxbox/satellites.xml!!");
 790                 Py_INCREF(Py_False);
 791                 return Py_False;
 792         }
 793         int tmp, *dest = NULL,
 794                 modulation, system, freq, sr, pol, fec, inv, pilot, rolloff, tsid, onid;
 795         char *end_ptr;
 796         const Attribute *at;
 797         std::string name;
 798         const ElementList &root_elements = root->getElementList();
 799         for (ElementConstIterator it(root_elements.begin()); it != root_elements.end(); ++it)
 800         {
 801 //              eDebug("element: %s", (*it)->name().c_str());
 802                 const Element *el = *it;
 803                 const ElementList &sat_elements = el->getElementList();
 804                 const AttributeList &sat_attributes = el->getAttributeList();
 805                 ePyObject sat_name;
 806                 ePyObject sat_pos;
 807                 ePyObject sat_flags;
 808                 for (AttributeConstIterator it(sat_attributes.begin()); it != sat_attributes.end(); ++it)
 809                 {
 810 //                      eDebug("\tattr: %s", at->name().c_str());
 811                         at = *it;
 812                         name = at->name();
 813                         if (name == "name")
 814                                 sat_name = PyString_FromString(at->value().c_str());
 815                         else if (name == "flags")
 816                         {
 817                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
 818                                 if (!*end_ptr)
 819                                         sat_flags = PyInt_FromLong(tmp);
 820                         }
 821                         else if (name == "position")
 822                         {
 823                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
 824                                 if (!*end_ptr)
 825                                 {
 826                                         if (tmp < 0)
 827                                                 tmp = 3600 + tmp;
 828                                         sat_pos = PyInt_FromLong(tmp);
 829                                 }
 830                         }
 831                 }
 832                 if (sat_pos && sat_name)
 833                 {
 834                         ePyObject tplist = PyList_New(0);
 835                         ePyObject tuple = PyTuple_New(3);
 836                         if (!sat_flags)
 837                                 sat_flags = PyInt_FromLong(0);
 838                         PyTuple_SET_ITEM(tuple, 0, sat_pos);
 839                         PyTuple_SET_ITEM(tuple, 1, sat_name);
 840                         PyTuple_SET_ITEM(tuple, 2, sat_flags);
 841                         PyList_Append(sat_list, tuple);
 842                         Py_DECREF(tuple);
 843                         PyDict_SetItem(sat_dict, sat_pos, sat_name);
 844                         PyDict_SetItem(tp_dict, sat_pos, tplist);
 845                         for (ElementConstIterator it(sat_elements.begin()); it != sat_elements.end(); ++it)
 846                         {
 847                                 //eDebug("\telement: %s", (*it)->name().c_str());
 848                                 const AttributeList &tp_attributes = (*it)->getAttributeList();
 849                                 AttributeConstIterator end = tp_attributes.end();
 850                                 modulation = eDVBFrontendParametersSatellite::Modulation_QPSK;
 851                                 system = eDVBFrontendParametersSatellite::System_DVB_S;
 852                                 freq = 0;
 853                                 sr = 0;
 854                                 pol = -1;
 855                                 fec = eDVBFrontendParametersSatellite::FEC_Auto;
 856                                 inv = eDVBFrontendParametersSatellite::Inversion_Unknown;
 857                                 pilot = eDVBFrontendParametersSatellite::Pilot_Unknown;
 858                                 rolloff = eDVBFrontendParametersSatellite::RollOff_alpha_0_35;
 859                                 tsid = -1;
 860                                 onid = -1;
 861
 862                                 for (AttributeConstIterator it(tp_attributes.begin()); it != end; ++it)
 863                                 {
 864                                         at = *it;
 865                                         //eDebug("\t\tattr: %s", at->name().c_str());
 866                                         name = at->name();
 867                                         if (name == "modulation") dest = &modulation;
 868                                         else if (name == "system") dest = &system;
 869                                         else if (name == "frequency") dest = &freq;
 870                                         else if (name == "symbol_rate") dest = &sr;
 871                                         else if (name == "polarization") dest = &pol;
 872                                         else if (name == "fec_inner") dest = &fec;
 873                                         else if (name == "inversion") dest = &inv;
 874                                         else if (name == "rolloff") dest = &rolloff;
 875                                         else if (name == "pilot") dest = &pilot;
 876                                         else if (name == "tsid") dest = &tsid;
 877                                         else if (name == "onid") dest = &onid;
 878                                         else continue;
 879                                         if (dest)
 880                                         {
 881                                                 //eDebug("\t\t\tvalue: %s", at->value().c_str());
 882                                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
 883                                                 if (!*end_ptr)
 884                                                         *dest = tmp;
 885                                         }
 886                                 }
 887                                 if (freq && sr && pol != -1)
 888                                 {
 889                                         tuple = PyTuple_New(12);
 890                                         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(0));
 891                                         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(freq));
 892                                         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(sr));
 893                                         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(pol));
 894                                         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(fec));
 895                                         PyTuple_SET_ITEM(tuple, 5, PyInt_FromLong(system));
 896                                         PyTuple_SET_ITEM(tuple, 6, PyInt_FromLong(modulation));
 897                                         PyTuple_SET_ITEM(tuple, 7, PyInt_FromLong(inv));
 898                                         PyTuple_SET_ITEM(tuple, 8, PyInt_FromLong(rolloff));
 899                                         PyTuple_SET_ITEM(tuple, 9, PyInt_FromLong(pilot));
 900                                         PyTuple_SET_ITEM(tuple, 10, PyInt_FromLong(tsid));
 901                                         PyTuple_SET_ITEM(tuple, 11, PyInt_FromLong(onid));
 902                                         PyList_Append(tplist, tuple);
 903                                         Py_DECREF(tuple);
 904                                 }
 905                         }
 906                         Py_DECREF(tplist);
 907                 }
 908                 else
 909                 {
 910                         if (sat_pos)
 911                                 Py_DECREF(sat_pos);
 912                         if (sat_name)
 913                                 Py_DECREF(sat_name);
 914                         if (sat_flags)
 915                                 Py_DECREF(sat_flags);
 916                 }
 917         }
 918         Py_INCREF(Py_True);
 919         return Py_True;
 920 }
 921
 922 PyObject *eDVBDB::readCables(ePyObject cab_list, ePyObject tp_dict)
 923 {
 924         if (!PyDict_Check(tp_dict)) {
 925                 PyErr_SetString(PyExc_StandardError,
 926                         "type error");
 927                         eDebug("arg 1 is not a python dict");
 928                 return NULL;
 929         }
 930         else if (!PyList_Check(cab_list))
 931         {
 932                 PyErr_SetString(PyExc_StandardError,
 933                         "type error");
 934                         eDebug("arg 0 is not a python list");
 935                 return NULL;
 936         }
 937         XMLTree tree;
 938         tree.setFilename("/etc/tuxbox/cables.xml");
 939         tree.read();
 940         Element *root = tree.getRoot();
 941         if (!root)
 942         {
 943                 eDebug("couldn't open /etc/tuxbox/cables.xml!!");
 944                 Py_INCREF(Py_False);
 945                 return Py_False;
 946         }
 947         const Attribute *at;
 948         int tmp, *dest,
 949                 modulation, fec, freq, sr;
 950         std::string name;
 951         char *end_ptr;
 952         const ElementList &root_elements = root->getElementList();
 953         for (ElementConstIterator it(root_elements.begin()); it != root_elements.end(); ++it)
 954         {
 955 //              eDebug("element: %s", el->name().c_str());
 956                 const Element *el = *it;
 957                 const ElementList &cab_elements = el->getElementList();
 958                 const AttributeList &cab_attributes = el->getAttributeList();
 959                 ePyObject cab_name;
 960                 ePyObject cab_flags;
 961                 for (AttributeConstIterator it(cab_attributes.begin()); it != cab_attributes.end(); ++it)
 962                 {
 963 //                      eDebug("\tattr: %s", at->name().c_str());
 964                         at = *it;
 965                         name = at->name();
 966                         if (name == "name")
 967                                 cab_name = PyString_FromString(at->value().c_str());
 968                         else if (name == "flags")
 969                         {
 970                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
 971                                 if (!*end_ptr)
 972                                         cab_flags = PyInt_FromLong(tmp);
 973                         }
 974                 }
 975                 if (cab_name)
 976                 {
 977                         ePyObject tplist = PyList_New(0);
 978                         ePyObject tuple = PyTuple_New(2);
 979                         if (!cab_flags)
 980                                 cab_flags = PyInt_FromLong(0);
 981                         PyTuple_SET_ITEM(tuple, 0, cab_name);
 982                         PyTuple_SET_ITEM(tuple, 1, cab_flags);
 983                         PyList_Append(cab_list, tuple);
 984                         Py_DECREF(tuple);
 985                         PyDict_SetItem(tp_dict, cab_name, tplist);
 986                         for (ElementConstIterator it(cab_elements.begin()); it != cab_elements.end(); ++it)
 987                         {
 988 //                              eDebug("\telement: %s", (*it)->name().c_str());
 989                                 const AttributeList &tp_attributes = (*it)->getAttributeList();
 990                                 AttributeConstIterator end = tp_attributes.end();
 991                                 modulation = eDVBFrontendParametersCable::Modulation_QAM64;
 992                                 fec = eDVBFrontendParametersCable::FEC_Auto;
 993                                 freq = 0;
 994                                 sr = 0;
 995                                 for (AttributeConstIterator it(tp_attributes.begin()); it != end; ++it)
 996                                 {
 997 //                                      eDebug("\t\tattr: %s", at->name().c_str());
 998                                         at = *it;
 999                                         dest = 0;
1000                                         name = at->name();
1001                                         if (name == "modulation") dest = &modulation;
1002                                         else if (name == "frequency") dest = &freq;
1003                                         else if (name == "symbol_rate") dest = &sr;
1004                                         else if (name == "fec_inner") dest = &fec;
1005                                         else continue;
1006                                         if (dest)
1007                                         {
1008                                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
1009                                                 if (!*end_ptr)
1010                                                         *dest = tmp;
1011                                         }
1012                                 }
1013                                 if (freq && sr)
1014                                 {
1015                                         while (freq > 999999)
1016                                                 freq /= 10;
1017                                         tuple = PyTuple_New(5);
1018                                         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(1));
1019                                         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(freq));
1020                                         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(sr));
1021                                         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(modulation));
1022                                         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(fec));
1023                                         PyList_Append(tplist, tuple);
1024                                         Py_DECREF(tuple);
1025                                 }
1026                         }
1027                         Py_DECREF(tplist);
1028                 }
1029                 else if (cab_flags)
1030                         Py_DECREF(cab_flags);
1031         }
1032         Py_INCREF(Py_True);
1033         return Py_True;
1034 }
1035
1036 PyObject *eDVBDB::readTerrestrials(ePyObject ter_list, ePyObject tp_dict)
1037 {
1038         if (!PyDict_Check(tp_dict)) {
1039                 PyErr_SetString(PyExc_StandardError,
1040                         "type error");
1041                         eDebug("arg 1 is not a python dict");
1042                 return NULL;
1043         }
1044         else if (!PyList_Check(ter_list))
1045         {
1046                 PyErr_SetString(PyExc_StandardError,
1047                         "type error");
1048                         eDebug("arg 0 is not a python list");
1049                 return NULL;
1050         }
1051         XMLTree tree;
1052         tree.setFilename("/etc/tuxbox/terrestrial.xml");
1053         tree.read();
1054         Element *root = tree.getRoot();
1055         if (!root)
1056         {
1057                 eDebug("couldn't open /etc/tuxbox/terrestrial.xml!!");
1058                 Py_INCREF(Py_False);
1059                 return Py_False;
1060         }
1061         const Attribute *at;
1062         std::string name;
1063         int tmp, *dest,
1064 //              freq, bw, constellation, crh = 5, crl = 5, guard = 4, transm, hierarchy, inv = 2;
1065                 freq, bw, constellation, crh, crl, guard, transm, hierarchy, inv, system, plpid;
1066         char *end_ptr;
1067         const ElementList &root_elements = root->getElementList();
1068         for (ElementConstIterator it(root_elements.begin()); it != root_elements.end(); ++it)
1069         {
1070 //              eDebug("element: %s", el->name().c_str());
1071                 const Element *el = *it;
1072                 const ElementList &ter_elements = el->getElementList();
1073                 const AttributeList &ter_attributes = el->getAttributeList();
1074                 ePyObject ter_name;
1075                 ePyObject ter_flags;
1076                 for (AttributeConstIterator it(ter_attributes.begin()); it != ter_attributes.end(); ++it)
1077                 {
1078 //                      eDebug("\tattr: %s", at->name().c_str());
1079                         at = *it;
1080                         name = at->name();
1081                         if (name == "name")
1082                                 ter_name = PyString_FromString(at->value().c_str());
1083                         else if (name == "flags")
1084                         {
1085                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
1086                                 if (!*end_ptr)
1087                                         ter_flags = PyInt_FromLong(tmp);
1088                         }
1089                 }
1090                 if (ter_name)
1091                 {
1092                         ePyObject tplist = PyList_New(0);
1093                         ePyObject tuple = PyTuple_New(2);
1094                         if (!ter_flags)
1095                                 ter_flags = PyInt_FromLong(0);
1096                         PyTuple_SET_ITEM(tuple, 0, ter_name);
1097                         PyTuple_SET_ITEM(tuple, 1, ter_flags);
1098                         PyList_Append(ter_list, tuple);
1099                         Py_DECREF(tuple);
1100                         PyDict_SetItem(tp_dict, ter_name, tplist);
1101                         for (ElementConstIterator it(ter_elements.begin()); it != ter_elements.end(); ++it)
1102                         {
1103 //                              eDebug("\telement: %s", (*it)->name().c_str());
1104                                 const AttributeList &tp_attributes = (*it)->getAttributeList();
1105                                 AttributeConstIterator end = tp_attributes.end();
1106                                 freq = 0;
1107                                 bw = eDVBFrontendParametersTerrestrial::Bandwidth_Auto;
1108                                 constellation = eDVBFrontendParametersTerrestrial::Modulation_Auto;
1109                                 crh = eDVBFrontendParametersTerrestrial::FEC_Auto;
1110                                 crl = eDVBFrontendParametersTerrestrial::FEC_Auto;
1111                                 guard = eDVBFrontendParametersTerrestrial::GuardInterval_Auto;
1112                                 transm = eDVBFrontendParametersTerrestrial::TransmissionMode_Auto;
1113                                 hierarchy = eDVBFrontendParametersTerrestrial::Hierarchy_Auto;
1114                                 inv = eDVBFrontendParametersTerrestrial::Inversion_Unknown;
1115                                 system = eDVBFrontendParametersTerrestrial::System_DVB_T;
1116                                 plpid = 0;
1117                                 for (AttributeConstIterator it(tp_attributes.begin()); it != end; ++it)
1118                                 {
1119 //                                      eDebug("\t\tattr: %s", at->name().c_str());
1120                                         at = *it;
1121                                         dest = 0;
1122                                         name = at->name();
1123                                         if (name == "centre_frequency") dest = &freq;
1124                                         else if (name == "bandwidth") dest = &bw;
1125                                         else if (name == "constellation") dest = &constellation;
1126                                         else if (name == "code_rate_hp") dest = &crh;
1127                                         else if (name == "code_rate_lp") dest = &crl;
1128                                         else if (name == "guard_interval") dest = &guard;
1129                                         else if (name == "transmission_mode") dest = &transm;
1130                                         else if (name == "hierarchy_information") dest = &hierarchy;
1131                                         else if (name == "inversion") dest = &inv;
1132                                         else if (name == "system") dest = &system;
1133                                         else if (name == "plp_id") dest = &plpid;
1134                                         else continue;
1135                                         if (dest)
1136                                         {
1137                                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
1138                                                 if (!*end_ptr)
1139                                                         *dest = tmp;
1140                                         }
1141                                 }
1142                                 if (freq)
1143                                 {
1144                                         if (crh > eDVBFrontendParametersTerrestrial::FEC_8_9)
1145                                                 crh = eDVBFrontendParametersTerrestrial::FEC_Auto;
1146                                         if (crl > eDVBFrontendParametersTerrestrial::FEC_8_9)
1147                                                 crl = eDVBFrontendParametersTerrestrial::FEC_Auto;
1148                                         tuple = PyTuple_New(12);
1149                                         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1150                                         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(freq));
1151                                         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(bw));
1152                                         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(constellation));
1153                                         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(crh));
1154                                         PyTuple_SET_ITEM(tuple, 5, PyInt_FromLong(crl));
1155                                         PyTuple_SET_ITEM(tuple, 6, PyInt_FromLong(guard));
1156                                         PyTuple_SET_ITEM(tuple, 7, PyInt_FromLong(transm));
1157                                         PyTuple_SET_ITEM(tuple, 8, PyInt_FromLong(hierarchy));
1158                                         PyTuple_SET_ITEM(tuple, 9, PyInt_FromLong(inv));
1159                                         PyTuple_SET_ITEM(tuple, 10, PyInt_FromLong(system));
1160                                         PyTuple_SET_ITEM(tuple, 11, PyInt_FromLong(plpid));
1161                                         PyList_Append(tplist, tuple);
1162                                         Py_DECREF(tuple);
1163                                 }
1164                         }
1165                         Py_DECREF(tplist);
1166                 }
1167                 else if (ter_flags)
1168                         Py_DECREF(ter_flags);
1169         }
1170         Py_INCREF(Py_True);
1171         return Py_True;
1172 }
1173
1174 eDVBDB::~eDVBDB()
1175 {
1176         instance=NULL;
1177 }
1178
1179 RESULT eDVBDB::removeService(const eServiceReference &ref)
1180 {
1181         if (ref.type == eServiceReference::idDVB)
1182         {
1183                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
1184                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
1185                 if (it != m_services.end())
1186                 {
1187                         m_services.erase(it);
1188                         return 0;
1189                 }
1190         }
1191         return -1;
1192 }
1193
1194 RESULT eDVBDB::removeServices(int dvb_namespace, int tsid, int onid, unsigned int orb_pos)
1195 {
1196         return removeServices(eDVBChannelID(eDVBNamespace(dvb_namespace), eTransportStreamID(tsid), eOriginalNetworkID(onid)), orb_pos);
1197 }
1198
1199 RESULT eDVBDB::removeServices(eDVBChannelID chid, unsigned int orbpos)
1200 {
1201         RESULT ret=-1;
1202         eDVBNamespace eNs;
1203         eTransportStreamID eTsid;
1204         eOriginalNetworkID eOnid;
1205         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
1206         std::set<eDVBChannelID> removed_chids;
1207         while (it != m_channels.end())
1208         {
1209                 const eDVBChannelID &ch = it->first;
1210                 bool remove=true;
1211                 int system;
1212                 it->second.m_frontendParameters->getSystem(system);
1213                 if ( system == iDVBFrontend::feSatellite )
1214                 {
1215                         eDVBFrontendParametersSatellite sat;
1216                         it->second.m_frontendParameters->getDVBS(sat);
1217                         if ((unsigned int)sat.orbital_position != orbpos)
1218                                 remove=false;
1219                 }
1220                 if ( remove && chid.dvbnamespace != eNs ) // namespace given?
1221                 {
1222                         if ( system == iDVBFrontend::feCable && chid.dvbnamespace.get() == (int)0xFFFF0000 )
1223                                 ;
1224                         else if ( system == iDVBFrontend::feTerrestrial && chid.dvbnamespace.get() == (int)0xEEEE0000 )
1225                                 ;
1226                         else if ( chid.dvbnamespace != ch.dvbnamespace )
1227                                 remove=false;
1228                 }
1229                 else if ( system == iDVBFrontend::feCable || system == iDVBFrontend::feTerrestrial )
1230                         remove=false;
1231                 if ( remove && chid.original_network_id != eOnid && chid.original_network_id != ch.original_network_id )
1232                         remove=false;
1233                 if ( remove && chid.transport_stream_id != eTsid && chid.transport_stream_id != ch.transport_stream_id )
1234                         remove=false;
1235                 if ( remove )
1236                 {
1237                         eDebug("remove %08x %04x %04x",
1238                                 ch.dvbnamespace.get(),
1239                                 ch.original_network_id.get(),
1240                                 ch.transport_stream_id.get());
1241                         removed_chids.insert(it->first);
1242                         m_channels.erase(it++);
1243                 }
1244                 else
1245                         ++it;
1246         }
1247         if (!removed_chids.empty())
1248         {
1249                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
1250                 while(service != m_services.end())
1251                 {
1252                         eDVBChannelID chid;
1253                         service->first.getChannelID(chid);
1254                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
1255                         if (it != removed_chids.end())
1256                                 m_services.erase(service++);
1257                         else
1258                                 ++service;
1259                         ret=0;
1260                 }
1261         }
1262         return ret;
1263 }
1264
1265 RESULT eDVBDB::removeServices(iDVBFrontendParameters *feparm)
1266 {
1267         int ret = -1;
1268         std::set<eDVBChannelID> removed_chids;
1269         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
1270         while (it != m_channels.end())
1271         {
1272                 int diff;
1273                 if (!feparm->calculateDifference(&(*it->second.m_frontendParameters), diff, false))
1274                 {
1275                         if (diff < 4000)
1276                         {
1277                                 removed_chids.insert(it->first);
1278                                 m_channels.erase(it++);
1279                         }
1280                         else
1281                                 ++it;
1282                 }
1283                 else
1284                         ++it;
1285         }
1286         if (!removed_chids.empty())
1287         {
1288                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
1289                 while(service != m_services.end())
1290                 {
1291                         eDVBChannelID chid;
1292                         service->first.getChannelID(chid);
1293                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
1294                         if (it != removed_chids.end())
1295                                 m_services.erase(service++);
1296                         else
1297                                 ++service;
1298                 }
1299                 ret = 0;
1300         }
1301         return ret;
1302 }
1303
1304 RESULT eDVBDB::addFlag(const eServiceReference &ref, unsigned int flagmask)
1305 {
1306         if (ref.type == eServiceReference::idDVB)
1307         {
1308                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
1309                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
1310                 if (it != m_services.end())
1311                         it->second->m_flags |= ~flagmask;
1312                 return 0;
1313         }
1314         return -1;
1315 }
1316
1317 RESULT eDVBDB::removeFlag(const eServiceReference &ref, unsigned int flagmask)
1318 {
1319         if (ref.type == eServiceReference::idDVB)
1320         {
1321                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
1322                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
1323                 if (it != m_services.end())
1324                         it->second->m_flags &= ~flagmask;
1325                 return 0;
1326         }
1327         return -1;
1328 }
1329
1330 RESULT eDVBDB::removeFlags(unsigned int flagmask, int dvb_namespace, int tsid, int onid, unsigned int orb_pos)
1331 {
1332         return removeFlags(flagmask, eDVBChannelID(eDVBNamespace(dvb_namespace), eTransportStreamID(tsid), eOriginalNetworkID(onid)), orb_pos);
1333 }
1334
1335 RESULT eDVBDB::removeFlags(unsigned int flagmask, eDVBChannelID chid, unsigned int orbpos)
1336 {
1337         eDVBNamespace eNs;
1338         eTransportStreamID eTsid;
1339         eOriginalNetworkID eOnid;
1340         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
1341         std::set<eDVBChannelID> removed_chids;
1342         while (it != m_channels.end())
1343         {
1344                 const eDVBChannelID &ch = it->first;
1345                 bool remove=true;
1346                 int system;
1347                 it->second.m_frontendParameters->getSystem(system);
1348                 if ( orbpos != 0xFFFFFFFF && system == iDVBFrontend::feSatellite )
1349                 {
1350                         eDVBFrontendParametersSatellite sat;
1351                         it->second.m_frontendParameters->getDVBS(sat);
1352                         if ((unsigned int)sat.orbital_position != orbpos)
1353                                 remove=false;
1354                 }
1355                 if ( remove && chid.dvbnamespace != eNs )
1356                 {
1357                         if (system == iDVBFrontend::feCable && chid.dvbnamespace.get() == (int)0xFFFF0000)
1358                                 ;
1359                         else if (system == iDVBFrontend::feTerrestrial && chid.dvbnamespace.get() == (int)0xEEEE0000)
1360                                 ;
1361                         else if ( chid.dvbnamespace != ch.dvbnamespace )
1362                                 remove=false;
1363                 }
1364                 if ( remove && chid.original_network_id != eOnid && chid.original_network_id != ch.original_network_id )
1365                         remove=false;
1366                 if ( remove && chid.transport_stream_id != eTsid && chid.transport_stream_id != ch.transport_stream_id )
1367                         remove=false;
1368                 if ( remove )
1369                         removed_chids.insert(it->first);
1370                 ++it;
1371         }
1372         if (!removed_chids.empty())
1373         {
1374                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
1375                 while(service != m_services.end())
1376                 {
1377                         eDVBChannelID chid;
1378                         service->first.getChannelID(chid);
1379                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
1380                         if (it != removed_chids.end())
1381                                 service->second->m_flags &= ~flagmask;
1382                         ++service;
1383                 }
1384         }
1385         return 0;
1386 }
1387
1388 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
1389 {
1390         channel ch;
1391         std::map<eDVBChannelID, channel>::iterator it = m_channels.find(id);
1392         ASSERT(feparm);
1393         ch.m_frontendParameters = feparm;
1394         if (it != m_channels.end())
1395                 it->second = ch;
1396         else
1397                 m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
1398         return 0;
1399 }
1400
1401 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
1402 {
1403         m_channels.erase(id);
1404         return 0;
1405 }
1406
1407 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
1408 {
1409         std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
1410         if (i == m_channels.end())
1411         {
1412                 parm = 0;
1413                 return -ENOENT;
1414         }
1415         parm = i->second.m_frontendParameters;
1416         return 0;
1417 }
1418
1419 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
1420 {
1421         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(serviceref));
1422         if (it == m_services.end())
1423                 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
1424         return 0;
1425 }
1426
1427 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
1428 {
1429         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
1430         i = m_services.find(reference);
1431         if (i == m_services.end())
1432         {
1433                 service = 0;
1434                 return -ENOENT;
1435         }
1436         service = i->second;
1437         return 0;
1438 }
1439
1440 RESULT eDVBDB::flush()
1441 {
1442         saveServicelist();
1443         return 0;
1444 }
1445
1446 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
1447 {
1448         std::string str = ref.path;
1449         if (str.empty())
1450         {
1451                 eDebug("getBouquet failed.. no path given!");
1452                 return -1;
1453         }
1454         size_t pos = str.find("FROM BOUQUET \"");
1455         if ( pos != std::string::npos )
1456         {
1457                 str.erase(0, pos+14);
1458                 pos = str.find('"');
1459                 if ( pos != std::string::npos )
1460                         str.erase(pos);
1461                 else
1462                         str.clear();
1463         }
1464         if (str.empty())
1465         {
1466                 eDebug("getBouquet failed.. couldn't parse bouquet name");
1467                 return -1;
1468         }
1469         std::map<std::string, eBouquet>::iterator i =
1470                 m_bouquets.find(str);
1471         if (i == m_bouquets.end())
1472         {
1473                 bouquet = 0;
1474                 return -ENOENT;
1475         }
1476         bouquet = &i->second;
1477         return 0;
1478 }
1479
1480 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
1481 {
1482         if ( source.path.find("FROM") != std::string::npos )
1483         {
1484                 if ( source.path.find("BOUQUET") != std::string::npos )
1485                         query = new eDVBDBBouquetQuery(this, source, q);
1486                 else if ( source.path.find("SATELLITES") != std::string::npos )
1487                         query = new eDVBDBSatellitesQuery(this, source, q);
1488                 else if ( source.path.find("PROVIDERS") != std::string::npos )
1489                         query = new eDVBDBProvidersQuery(this, source, q);
1490                 else
1491                         eFatal("invalid query %s", source.toString().c_str());
1492         }
1493         else
1494                 query = new eDVBDBQuery(this, source, q);
1495         return 0;
1496 }
1497
1498 eServiceReference eDVBDB::searchReference(int tsid, int onid, int sid)
1499 {
1500         eServiceID Sid(sid);
1501         eTransportStreamID Tsid(tsid);
1502         eOriginalNetworkID Onid(onid);
1503         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator sit(m_services.begin());
1504                 sit != m_services.end(); ++sit)
1505         {
1506                 if (sit->first.getTransportStreamID() == Tsid &&
1507                         sit->first.getOriginalNetworkID() == Onid &&
1508                         sit->first.getServiceID() == Sid)
1509                         return sit->first;
1510         }
1511         return eServiceReference();
1512 }
1513
1514 DEFINE_REF(eDVBDBQueryBase);
1515
1516 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1517         :m_db(db), m_query(query), m_source(source)
1518 {
1519 }
1520
1521 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
1522 {
1523         ePtr<eDVBService> a_service, b_service;
1524         int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
1525
1526         if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
1527         {
1528                 if (a.name.empty() && m_db->getService(a, a_service))
1529                         return 1;
1530                 if (b.name.empty() && m_db->getService(b, b_service))
1531                         return 1;
1532         }
1533
1534         switch (sortmode)
1535         {
1536         case eDVBChannelQuery::tName:
1537                 if (a_service)
1538                 {
1539                         if (b_service)
1540                                 return a_service->m_service_name_sort < b_service->m_service_name_sort;
1541                         else
1542                         {
1543                                 std::string str = b.name;
1544                                 makeUpper(str);
1545                                 return a_service->m_service_name_sort < str;
1546                         }
1547                 }
1548                 else if (b_service)
1549                 {
1550                         std::string str = a.name;
1551                         makeUpper(str);
1552                         return str < b_service->m_service_name_sort;
1553                 }
1554                 else
1555                 {
1556                         std::string aa = a.name, bb = b.name;
1557                         makeUpper(aa);
1558                         makeUpper(bb);
1559                         return aa < bb;
1560                 }
1561         case eDVBChannelQuery::tProvider:
1562                 return a_service->m_provider_name < b_service->m_provider_name;
1563         case eDVBChannelQuery::tType:
1564                 return a.getServiceType() < b.getServiceType();
1565         case eDVBChannelQuery::tBouquet:
1566                 return 0;
1567         case eDVBChannelQuery::tSatellitePosition:
1568                 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
1569         default:
1570                 return 1;
1571         }
1572         return 0;
1573 }
1574
1575 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1576         :eDVBDBQueryBase(db, source, query)
1577 {
1578         m_cursor = m_db->m_services.begin();
1579 }
1580
1581 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
1582 {
1583         while (m_cursor != m_db->m_services.end())
1584         {
1585                 ePtr<eDVBService> service = m_cursor->second;
1586                 if (service->isHidden())
1587                         ++m_cursor;
1588                 else
1589                 {
1590                         ref = m_cursor->first;
1591
1592                         int res = (!m_query) || service->checkFilter(ref, *m_query);
1593
1594                         ++m_cursor;
1595
1596                         if (res)
1597                                 return 0;
1598                 }
1599         }
1600
1601         ref.type = eServiceReference::idInvalid;
1602
1603         return 1;
1604 }
1605
1606 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1607         :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
1608 {
1609 }
1610
1611 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
1612 {
1613         eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
1614         std::list<eServiceReference> &list = bouquet.m_services;
1615         while (m_cursor != list.end())
1616         {
1617                 ref = *((eServiceReferenceDVB*)&(*m_cursor));
1618
1619                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
1620                         m_db->m_services.find(ref);
1621
1622                 int res = (!m_query) || it == m_db->m_services.end() || !(it->second->isHidden() && it->second->checkFilter(ref, *m_query));
1623
1624                 ++m_cursor;
1625
1626                 if (res)
1627                         return 0;
1628         }
1629
1630         ref.type = eServiceReference::idInvalid;
1631
1632         return 1;
1633 }
1634
1635 eDVBDBListQuery::eDVBDBListQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1636         :eDVBDBQueryBase(db, source, query), m_cursor(m_list.end())
1637 {
1638 }
1639
1640 RESULT eDVBDBListQuery::getNextResult(eServiceReferenceDVB &ref)
1641 {
1642         if (m_cursor != m_list.end())
1643         {
1644                 ref = *m_cursor++;
1645                 return 0;
1646         }
1647         ref.type = eServiceReference::idInvalid;
1648         return 1;
1649 }
1650
1651 int eDVBDBListQuery::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
1652 {
1653         if ( m_query->m_sort == eDVBChannelQuery::tSatellitePosition )
1654         {
1655                 int x = (a.getDVBNamespace().get() >> 16);
1656                 int y = (b.getDVBNamespace().get() >> 16);
1657                 if ( x > 1800 )
1658                         x -= 3600;
1659                 if ( y > 1800 )
1660                         y -= 3600;
1661                 return x < y;
1662         }
1663         std::string aa = a.name, bb = b.name;
1664         makeUpper(aa);
1665         makeUpper(bb);
1666         return aa < bb;
1667 }
1668
1669 eDVBDBSatellitesQuery::eDVBDBSatellitesQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1670         :eDVBDBListQuery(db, source, query)
1671 {
1672         std::set<unsigned int> found;
1673         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
1674                 it != m_db->m_services.end(); ++it)
1675         {
1676                 int res = !it->second->isHidden() && it->second->checkFilter(it->first, *query);
1677                 if (res)
1678                 {
1679                         unsigned int dvbnamespace = it->first.getDVBNamespace().get()&0xFFFF0000;
1680                         if (found.find(dvbnamespace) == found.end())
1681                         {
1682                                 found.insert(dvbnamespace);
1683                                 eServiceReferenceDVB ref;
1684                                 ref.setDVBNamespace(dvbnamespace);
1685                                 ref.flags=eServiceReference::flagDirectory;
1686                                 char buf[128];
1687                                 snprintf(buf, 128, "(satellitePosition == %d) && ", dvbnamespace>>16);
1688
1689                                 ref.path=buf+source.path;
1690                                 unsigned int pos=ref.path.find("FROM");
1691                                 ref.path.erase(pos);
1692                                 ref.path+="ORDER BY name";
1693 //                              eDebug("ref.path now %s", ref.path.c_str());
1694                                 m_list.push_back(ref);
1695
1696                                 ref.path=buf+source.path;
1697                                 pos=ref.path.find("FROM");
1698                                 ref.path.erase(pos+5);
1699                                 ref.path+="PROVIDERS ORDER BY name";
1700 //                              eDebug("ref.path now %s", ref.path.c_str());
1701                                 m_list.push_back(ref);
1702
1703                                 snprintf(buf, 128, "(satellitePosition == %d) && (flags == %d) && ", dvbnamespace>>16, eDVBService::dxNewFound);
1704                                 ref.path=buf+source.path;
1705                                 pos=ref.path.find("FROM");
1706                                 ref.path.erase(pos);
1707                                 ref.path+="ORDER BY name";
1708 //                              eDebug("ref.path now %s", ref.path.c_str());
1709                                 m_list.push_back(ref);
1710                         }
1711                 }
1712         }
1713         m_cursor=m_list.begin();
1714 }
1715
1716 eDVBDBProvidersQuery::eDVBDBProvidersQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1717         :eDVBDBListQuery(db, source, query)
1718 {
1719         std::set<std::string> found;
1720         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
1721                 it != m_db->m_services.end(); ++it)
1722         {
1723                 int res = !it->second->isHidden() && it->second->checkFilter(it->first, *query);
1724                 if (res)
1725                 {
1726                         const char *provider_name = it->second->m_provider_name.length() ?
1727                                 it->second->m_provider_name.c_str() :
1728                                 "Unknown";
1729                         if (found.find(std::string(provider_name)) == found.end())
1730                         {
1731                                 found.insert(std::string(provider_name));
1732                                 eServiceReferenceDVB ref;
1733                                 char buf[64];
1734                                 ref.name=provider_name;
1735                                 snprintf(buf, 64, "(provider == \"%s\") && ", provider_name);
1736                                 ref.path=buf+source.path;
1737                                 unsigned int pos = ref.path.find("FROM");
1738                                 ref.flags=eServiceReference::flagDirectory;
1739                                 ref.path.erase(pos);
1740                                 ref.path+="ORDER BY name";
1741 //                              eDebug("ref.path now %s", ref.path.c_str());
1742                                 m_list.push_back(ref);
1743                         }
1744                 }
1745         }
1746         m_cursor=m_list.begin();
1747 }
1748
1749 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
1750
1751 static int decodeType(const std::string &type)
1752 {
1753         if (type == "name")
1754                 return eDVBChannelQuery::tName;
1755         else if (type == "provider")
1756                 return eDVBChannelQuery::tProvider;
1757         else if (type == "type")
1758                 return eDVBChannelQuery::tType;
1759         else if (type == "bouquet")
1760                 return eDVBChannelQuery::tBouquet;
1761         else if (type == "satellitePosition")
1762                 return eDVBChannelQuery::tSatellitePosition;
1763         else if (type == "channelID")
1764                 return eDVBChannelQuery::tChannelID;
1765         else if (type == "flags")
1766                 return eDVBChannelQuery::tFlags;
1767         else
1768                 return -1;
1769 }
1770
1771         /* never, NEVER write a parser in C++! */
1772 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
1773 {
1774         std::list<std::string>::const_iterator end_of_exp;
1775
1776         if (begin == end)
1777                 return 0;
1778
1779         if (*begin == "(")
1780         {
1781                 end_of_exp = begin;
1782                 while (end_of_exp != end)
1783                         if (*end_of_exp == ")")
1784                                 break;
1785                         else
1786                                 ++end_of_exp;
1787
1788                 if (end_of_exp == end)
1789                 {
1790                         eDebug("expression parse: end of expression while searching for closing brace");
1791                         return -1;
1792                 }
1793
1794                 ++begin;
1795                 // begin..end_of_exp
1796                 int r = parseExpression(res, begin, end_of_exp);
1797                 if (r)
1798                         return r;
1799                 ++end_of_exp;
1800
1801                         /* we had only one sub expression */
1802                 if (end_of_exp == end)
1803                 {
1804 //                      eDebug("only one sub expression");
1805                         return 0;
1806                 }
1807
1808                         /* otherwise we have an operator here.. */
1809
1810                 ePtr<eDVBChannelQuery> r2 = res;
1811                 res = new eDVBChannelQuery();
1812                 res->m_sort = 0;
1813                 res->m_p1 = r2;
1814                 res->m_inverse = 0;
1815                 r2 = 0;
1816
1817                 if (*end_of_exp == "||")
1818                         res->m_type = eDVBChannelQuery::tOR;
1819                 else if (*end_of_exp == "&&")
1820                         res->m_type = eDVBChannelQuery::tAND;
1821                 else
1822                 {
1823                         eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
1824                         res = 0;
1825                         return 1;
1826                 }
1827
1828                 ++end_of_exp;
1829
1830                 return parseExpression(res->m_p2, end_of_exp, end);
1831         }
1832
1833         // "begin" <op> "end"
1834         std::string type, op, val;
1835
1836         res = new eDVBChannelQuery();
1837         res->m_sort = 0;
1838
1839         int cnt = 0;
1840         while (begin != end)
1841         {
1842                 switch (cnt)
1843                 {
1844                 case 0:
1845                         type = *begin;
1846                         break;
1847                 case 1:
1848                         op = *begin;
1849                         break;
1850                 case 2:
1851                         val = *begin;
1852                         break;
1853                 case 3:
1854                         eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
1855                         return 1;
1856                 }
1857                 ++begin;
1858                 ++cnt;
1859         }
1860
1861         if (cnt != 3)
1862         {
1863                 eDebug("malformed query: missing stuff");
1864                 res = 0;
1865                 return 1;
1866         }
1867
1868         res->m_type = decodeType(type);
1869
1870         if (res->m_type == -1)
1871         {
1872                 eDebug("malformed query: invalid type %s", type.c_str());
1873                 res = 0;
1874                 return 1;
1875         }
1876
1877         if (op == "==")
1878                 res->m_inverse = 0;
1879         else if (op == "!=")
1880                 res->m_inverse = 1;
1881         else
1882         {
1883                 eDebug("invalid operator %s", op.c_str());
1884                 res = 0;
1885                 return 1;
1886         }
1887
1888         res->m_string = val;
1889
1890         if (res->m_type == eDVBChannelQuery::tChannelID)
1891         {
1892                 int ns, tsid, onid;
1893                 if (sscanf(val.c_str(), "%08x%04x%04x", &ns, &tsid, &onid) == 3)
1894                         res->m_channelid = eDVBChannelID(eDVBNamespace(ns), eTransportStreamID(tsid), eOriginalNetworkID(onid));
1895                 else
1896                         eDebug("couldn't parse channelid !! format should be hex NNNNNNNNTTTTOOOO (namespace, tsid, onid)");
1897         }
1898         else
1899                 res->m_int = atoi(val.c_str());
1900
1901         return 0;
1902 }
1903
1904 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
1905 {
1906         std::list<std::string> tokens;
1907
1908         std::string current_token;
1909         std::string bouquet_name;
1910
1911 //      eDebug("splitting %s....", query.c_str());
1912         unsigned int i = 0;
1913         const char *splitchars="()";
1914         int quotemode = 0, lastsplit = 0, lastalnum = 0;
1915         while (i <= query.size())
1916         {
1917                 int c = (i < query.size()) ? query[i] : ' ';
1918                 ++i;
1919
1920                 int issplit = !!strchr(splitchars, c);
1921                 int isaln = isalnum(c);
1922                 int iswhite = c == ' ';
1923                 int isquot = c == '\"';
1924
1925                 if (quotemode)
1926                 {
1927                         iswhite = issplit = 0;
1928                         isaln = lastalnum;
1929                 }
1930
1931                 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
1932                 {
1933                         if (current_token.size())
1934                                 tokens.push_back(current_token);
1935                         current_token.clear();
1936                 }
1937
1938                 if (!(iswhite || isquot))
1939                         current_token += c;
1940
1941                 if (isquot)
1942                         quotemode = !quotemode;
1943                 lastsplit = issplit;
1944                 lastalnum = isaln;
1945         }
1946
1947 //      for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
1948 //      {
1949 //              printf("%s\n", a->c_str());
1950 //      }
1951
1952         int sort = eDVBChannelQuery::tName;
1953                 /* check for "ORDER BY ..." */
1954
1955         std::list<std::string>::iterator it = tokens.begin();
1956         while (it != tokens.end())
1957         {
1958                 if (*it == "ORDER")
1959                 {
1960                         tokens.erase(it++);
1961                         if (it != tokens.end() && *it == "BY")
1962                         {
1963                                 tokens.erase(it++);
1964                                 sort = decodeType(*it);
1965                                 tokens.erase(it++);
1966                         } else
1967                                 sort = -1;
1968                 }
1969                 else if (*it == "FROM")
1970                 {
1971                         tokens.erase(it++);
1972                         if (it != tokens.end() && *it == "BOUQUET")
1973                         {
1974                                 tokens.erase(it++);
1975                                 bouquet_name = *it;
1976                                 tokens.erase(it++);
1977                         }
1978                         else if (it != tokens.end() && *it == "SATELLITES")
1979                                 tokens.erase(it++);
1980                         else if (it != tokens.end() && *it == "PROVIDERS")
1981                                 tokens.erase(it++);
1982                         else
1983                         {
1984                                 eDebug("FROM unknown %s", (*it).c_str());
1985                                 tokens.erase(it++);
1986                         }
1987                 }
1988                 else
1989                         ++it;
1990         }
1991
1992         if (sort == -1)
1993         {
1994                 eWarning("ORDER BY .. string invalid.");
1995                 res = 0;
1996                 return -1;
1997         }
1998
1999 //      eDebug("sort by %d", sort);
2000
2001                 /* now we recursivly parse that. */
2002         int r = parseExpression(res, tokens.begin(), tokens.end());
2003
2004                 /* we have an empty (but valid!) expression */
2005         if (!r && !res)
2006         {
2007                 res = new eDVBChannelQuery();
2008                 res->m_inverse = 0;
2009                 res->m_type = eDVBChannelQuery::tAny;
2010         }
2011
2012         if (res)
2013         {
2014                 res->m_sort = sort;
2015                 res->m_bouquet_name = bouquet_name;
2016         }
2017
2018 //      eDebug("return: %d", r);
2019         return r;
2020 }
2021
2022 DEFINE_REF(eDVBChannelQuery);