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;
 402                                 sscanf(line+3, "%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);
 403                                 ter.frequency = frequency;
 404                                 ter.bandwidth = bandwidth;
 405                                 ter.code_rate_HP = code_rate_HP;
 406                                 ter.code_rate_LP = code_rate_LP;
 407                                 ter.modulation = modulation;
 408                                 ter.transmission_mode = transmission_mode;
 409                                 ter.guard_interval = guard_interval;
 410                                 ter.hierarchy = hierarchy;
 411                                 ter.inversion = inversion;
 412                                 feparm->setDVBT(ter);
 413                                 feparm->setFlags(flags);
 414                         } else if (line[1]=='c')
 415                         {
 416                                 eDVBFrontendParametersCable cab;
 417                                 int frequency, symbol_rate,
 418                                         inversion=eDVBFrontendParametersCable::Inversion_Unknown,
 419                                         modulation=eDVBFrontendParametersCable::Modulation_Auto,
 420                                         fec_inner=eDVBFrontendParametersCable::FEC_Auto,
 421                                         flags=0;
 422                                 sscanf(line+3, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation, &fec_inner, &flags);
 423                                 cab.frequency = frequency;
 424                                 cab.fec_inner = fec_inner;
 425                                 cab.inversion = inversion;
 426                                 cab.symbol_rate = symbol_rate;
 427                                 cab.modulation = modulation;
 428                                 feparm->setDVBC(cab);
 429                                 feparm->setFlags(flags);
 430                         }
 431                 }
 432                 addChannelToList(channelid, feparm);
 433         }
 434
 435         if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
 436         {
 437                 eDebug("services invalid, no services");
 438                 return;
 439         }
 440
 441         // clear all services
 442
 443         int count=0;
 444
 445         while (!feof(f))
 446         {
 447                 if (!fgets(line, 256, f))
 448                         break;
 449                 if (!strcmp(line, "end\n"))
 450                         break;
 451
 452                 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
 453                 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
 454                 if (service_number == -1)
 455                         continue;
 456                 ePtr<eDVBService> s = new eDVBService;
 457                 eServiceReferenceDVB ref =
 458                                                 eServiceReferenceDVB(
 459                                                 eDVBNamespace(dvb_namespace),
 460                                                 eTransportStreamID(transport_stream_id),
 461                                                 eOriginalNetworkID(original_network_id),
 462                                                 eServiceID(service_id),
 463                                                 service_type);
 464                 count++;
 465                 fgets(line, 256, f);
 466                 if (strlen(line))
 467                         line[strlen(line)-1]=0;
 468
 469                 s->m_service_name = line;
 470                 s->genSortName();
 471
 472                 fgets(line, 256, f);
 473                 if (strlen(line))
 474                         line[strlen(line)-1]=0;
 475                 if (line[1]!=':')       // old ... (only service_provider)
 476                         s->m_provider_name=line;
 477                 else
 478                         parseServiceData(s, line);
 479                 addService(ref, s);
 480         }
 481
 482         eDebug("loaded %d services", count);
 483
 484         fclose(f);
 485 }
 486
 487 void eDVBDB::saveServicelist(const char *file)
 488 {
 489         eDebug("---- saving lame channel db");
 490         FILE *f=fopen(file, "w");
 491         int channels=0, services=0;
 492         if (!f)
 493                 eFatal("couldn't save lame channel db!");
 494         fprintf(f, "eDVB services /4/\n");
 495         fprintf(f, "transponders\n");
 496         for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
 497                         i != m_channels.end(); ++i)
 498         {
 499                 const eDVBChannelID &chid = i->first;
 500                 const channel &ch = i->second;
 501
 502                 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
 503                                 chid.transport_stream_id.get(), chid.original_network_id.get());
 504                 eDVBFrontendParametersSatellite sat;
 505                 eDVBFrontendParametersTerrestrial ter;
 506                 eDVBFrontendParametersCable cab;
 507                 unsigned int flags;  // flagOnlyFree yet..
 508                 ch.m_frontendParameters->getFlags(flags);
 509                 if (!ch.m_frontendParameters->getDVBS(sat))
 510                 {
 511                         if (sat.system == eDVBFrontendParametersSatellite::System_DVB_S2)
 512                         {
 513                                 fprintf(f, "\ts %d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d\n",
 514                                         sat.frequency, sat.symbol_rate,
 515                                         sat.polarisation, sat.fec,
 516                                         sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
 517                                         sat.inversion,
 518                                         flags,
 519                                         sat.system,
 520                                         sat.modulation,
 521                                         sat.rolloff,
 522                                         sat.pilot);
 523                         }
 524                         else
 525                         {
 526                                 fprintf(f, "\ts %d:%d:%d:%d:%d:%d:%d\n",
 527                                         sat.frequency, sat.symbol_rate,
 528                                         sat.polarisation, sat.fec,
 529                                         sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
 530                                         sat.inversion, flags);
 531                         }
 532                 }
 533                 else if (!ch.m_frontendParameters->getDVBT(ter))
 534                 {
 535                         fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d:%d\n",
 536                                 ter.frequency, ter.bandwidth, ter.code_rate_HP,
 537                                 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
 538                                 ter.guard_interval, ter.hierarchy, ter.inversion, flags);
 539                 }
 540                 else if (!ch.m_frontendParameters->getDVBC(cab))
 541                 {
 542                         fprintf(f, "\tc %d:%d:%d:%d:%d:%d\n",
 543                                 cab.frequency, cab.symbol_rate, cab.inversion, cab.modulation, cab.fec_inner, flags);
 544                 }
 545                 fprintf(f, "/\n");
 546                 channels++;
 547         }
 548         fprintf(f, "end\nservices\n");
 549
 550         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
 551                 i != m_services.end(); ++i)
 552         {
 553                 const eServiceReferenceDVB &s = i->first;
 554                 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
 555                                 s.getServiceID().get(), s.getDVBNamespace().get(),
 556                                 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
 557                                 s.getServiceType(),
 558                                 0);
 559
 560                 fprintf(f, "%s\n", i->second->m_service_name.c_str());
 561
 562                 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
 563
 564                 // write cached pids
 565                 for (int x=0; x < eDVBService::cacheMax; ++x)
 566                 {
 567                         int entry = i->second->getCacheEntry((eDVBService::cacheID)x);
 568                         if (entry != -1)
 569                                 fprintf(f, ",c:%02d%04x", x, entry);
 570                 }
 571
 572                 // write cached ca pids
 573                 for (CAID_LIST::const_iterator ca(i->second->m_ca.begin());
 574                         ca != i->second->m_ca.end(); ++ca)
 575                         fprintf(f, ",C:%04x", *ca);
 576
 577                 if (i->second->m_flags)
 578                         fprintf(f, ",f:%x", i->second->m_flags);
 579
 580                 fprintf(f, "\n");
 581                 services++;
 582         }
 583         fprintf(f, "end\nHave a lot of bugs!\n");
 584         eDebug("saved %d channels and %d services!", channels, services);
 585         fclose(f);
 586 }
 587
 588 void eDVBDB::saveServicelist()
 589 {
 590         saveServicelist(eEnv::resolve("${sysconfdir}/enigma2/lamedb").c_str());
 591 }
 592
 593 void eDVBDB::loadBouquet(const char *path)
 594 {
 595         std::string bouquet_name = path;
 596         if (!bouquet_name.length())
 597         {
 598                 eDebug("Bouquet load failed.. no path given..");
 599                 return;
 600         }
 601         size_t pos = bouquet_name.rfind('/');
 602         if ( pos != std::string::npos )
 603                 bouquet_name.erase(0, pos+1);
 604         if (bouquet_name.empty())
 605         {
 606                 eDebug("Bouquet load failed.. no filename given..");
 607                 return;
 608         }
 609         eBouquet &bouquet = m_bouquets[bouquet_name];
 610         bouquet.m_filename = bouquet_name;
 611         std::list<eServiceReference> &list = bouquet.m_services;
 612         list.clear();
 613
 614         std::string p = eEnv::resolve("${sysconfdir}/enigma2/");
 615         p+=path;
 616         eDebug("loading bouquet... %s", p.c_str());
 617         FILE *fp=fopen(p.c_str(), "rt");
 618         int entries=0;
 619         if (!fp)
 620         {
 621                 struct stat s;
 622                 if ( !stat(path, &s) )
 623                 {
 624                         rename(path, p.c_str() );
 625                         loadBouquet(path);
 626                         return;
 627                 }
 628                 eDebug("failed to open.");
 629                 if ( strstr(path, "bouquets.tv") )
 630                 {
 631                         eDebug("recreate bouquets.tv");
 632                         bouquet.m_bouquet_name="Bouquets (TV)";
 633                         bouquet.flushChanges();
 634                 }
 635                 else if ( strstr(path, "bouquets.radio") )
 636                 {
 637                         eDebug("recreate bouquets.radio");
 638                         bouquet.m_bouquet_name="Bouquets (Radio)";
 639                         bouquet.flushChanges();
 640                 }
 641                 return;
 642         }
 643         char line[256];
 644         bool read_descr=false;
 645         eServiceReference *e = NULL;
 646         while (1)
 647         {
 648                 if (!fgets(line, 256, fp))
 649                         break;
 650                 line[strlen(line)-1]=0;
 651                 if (strlen(line) && line[strlen(line)-1]=='\r')
 652                         line[strlen(line)-1]=0;
 653                 if (!line[0])
 654                         break;
 655                 if (line[0]=='#')
 656                 {
 657                         if (!strncmp(line, "#SERVICE", 8))
 658                         {
 659                                 int offs = line[8] == ':' ? 10 : 9;
 660                                 eServiceReference tmp(line+offs);
 661                                 if (tmp.type != eServiceReference::idDVB)
 662                                 {
 663                                         eDebug("only DVB Bouquets supported");
 664                                         continue;
 665                                 }
 666                                 if ( tmp.flags&eServiceReference::canDescent )
 667                                 {
 668                                         size_t pos = tmp.path.rfind('/');
 669                                         char buf[256];
 670                                         std::string path = tmp.path;
 671                                         if ( pos != std::string::npos )
 672                                                 path.erase(0, pos+1);
 673                                         if (path.empty())
 674                                         {
 675                                                 eDebug("Bouquet load failed.. no filename given..");
 676                                                 continue;
 677                                         }
 678                                         pos = path.find("FROM BOUQUET ");
 679                                         if (pos != std::string::npos)
 680                                         {
 681                                                 char endchr = path[pos+13];
 682                                                 if (endchr != '"')
 683                                                 {
 684                                                         eDebug("ignore invalid bouquet '%s' (only \" are allowed)",
 685                                                                 tmp.toString().c_str());
 686                                                         continue;
 687                                                 }
 688                                                 char *beg = &path[pos+14];
 689                                                 char *end = strchr(beg, endchr);
 690                                                 path.assign(beg, end - beg);
 691                                         }
 692                                         else
 693                                         {
 694                                                 snprintf(buf, 256, "FROM BOUQUET \"%s\" ORDER BY bouquet", path.c_str());
 695                                                 tmp.path = buf;
 696                                         }
 697                                         loadBouquet(path.c_str());
 698                                 }
 699                                 list.push_back(tmp);
 700                                 e = &list.back();
 701                                 read_descr=true;
 702                                 ++entries;
 703                         }
 704                         else if (read_descr && !strncmp(line, "#DESCRIPTION", 12))
 705                         {
 706                                 int offs = line[12] == ':' ? 14 : 13;
 707                                 e->name = line+offs;
 708                                 read_descr=false;
 709                         }
 710                         else if (!strncmp(line, "#NAME ", 6))
 711                                 bouquet.m_bouquet_name=line+6;
 712                         continue;
 713                 }
 714         }
 715         fclose(fp);
 716         eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
 717 }
 718
 719 void eDVBDB::reloadBouquets()
 720 {
 721         m_bouquets.clear();
 722         loadBouquet("bouquets.tv");
 723         loadBouquet("bouquets.radio");
 724 // create default bouquets when missing
 725         if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
 726         {
 727                 eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
 728                 b.m_filename = "userbouquet.favourites.tv";
 729                 b.m_bouquet_name = "Favourites (TV)";
 730                 b.flushChanges();
 731                 eServiceReference ref;
 732                 memset(ref.data, 0, sizeof(ref.data));
 733                 ref.type=1;
 734                 ref.flags=7;
 735                 ref.data[0]=1;
 736                 ref.path="FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
 737                 eBouquet &parent = m_bouquets["bouquets.tv"];
 738                 parent.m_services.push_back(ref);
 739                 parent.flushChanges();
 740         }
 741         if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
 742         {
 743                 eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
 744                 b.m_filename = "userbouquet.favourites.radio";
 745                 b.m_bouquet_name = "Favourites (Radio)";
 746                 b.flushChanges();
 747                 eServiceReference ref;
 748                 memset(ref.data, 0, sizeof(ref.data));
 749                 ref.type=1;
 750                 ref.flags=7;
 751                 ref.data[0]=2;
 752                 ref.path="FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
 753                 eBouquet &parent = m_bouquets["bouquets.radio"];
 754                 parent.m_services.push_back(ref);
 755                 parent.flushChanges();
 756         }
 757 }
 758
 759 eDVBDB *eDVBDB::instance;
 760
 761 using namespace xmlcc;
 762
 763 eDVBDB::eDVBDB()
 764 {
 765         instance = this;
 766         reloadServicelist();
 767 }
 768
 769 PyObject *eDVBDB::readSatellites(ePyObject sat_list, ePyObject sat_dict, ePyObject tp_dict)
 770 {
 771         if (!PyDict_Check(tp_dict)) {
 772                 PyErr_SetString(PyExc_StandardError,
 773                         "type error");
 774                         eDebug("arg 2 is not a python dict");
 775                 return NULL;
 776         }
 777         else if (!PyDict_Check(sat_dict))
 778         {
 779                 PyErr_SetString(PyExc_StandardError,
 780                         "type error");
 781                         eDebug("arg 1 is not a python dict");
 782                 return NULL;
 783         }
 784         else if (!PyList_Check(sat_list))
 785         {
 786                 PyErr_SetString(PyExc_StandardError,
 787                         "type error");
 788                         eDebug("arg 0 is not a python list");
 789                 return NULL;
 790         }
 791         XMLTree tree;
 792         tree.setFilename("/etc/tuxbox/satellites.xml");
 793         tree.read();
 794         Element *root = tree.getRoot();
 795         if (!root)
 796         {
 797                 eDebug("couldn't open /etc/tuxbox/satellites.xml!!");
 798                 Py_INCREF(Py_False);
 799                 return Py_False;
 800         }
 801         int tmp, *dest = NULL,
 802                 modulation, system, freq, sr, pol, fec, inv, pilot, rolloff, tsid, onid;
 803         char *end_ptr;
 804         const Attribute *at;
 805         std::string name;
 806         const ElementList &root_elements = root->getElementList();
 807         for (ElementConstIterator it(root_elements.begin()); it != root_elements.end(); ++it)
 808         {
 809 //              eDebug("element: %s", (*it)->name().c_str());
 810                 const Element *el = *it;
 811                 const ElementList &sat_elements = el->getElementList();
 812                 const AttributeList &sat_attributes = el->getAttributeList();
 813                 ePyObject sat_name;
 814                 ePyObject sat_pos;
 815                 ePyObject sat_flags;
 816                 for (AttributeConstIterator it(sat_attributes.begin()); it != sat_attributes.end(); ++it)
 817                 {
 818 //                      eDebug("\tattr: %s", at->name().c_str());
 819                         at = *it;
 820                         name = at->name();
 821                         if (name == "name")
 822                                 sat_name = PyString_FromString(at->value().c_str());
 823                         else if (name == "flags")
 824                         {
 825                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
 826                                 if (!*end_ptr)
 827                                         sat_flags = PyInt_FromLong(tmp);
 828                         }
 829                         else if (name == "position")
 830                         {
 831                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
 832                                 if (!*end_ptr)
 833                                 {
 834                                         if (tmp < 0)
 835                                                 tmp = 3600 + tmp;
 836                                         sat_pos = PyInt_FromLong(tmp);
 837                                 }
 838                         }
 839                 }
 840                 if (sat_pos && sat_name)
 841                 {
 842                         ePyObject tplist = PyList_New(0);
 843                         ePyObject tuple = PyTuple_New(3);
 844                         if (!sat_flags)
 845                                 sat_flags = PyInt_FromLong(0);
 846                         PyTuple_SET_ITEM(tuple, 0, sat_pos);
 847                         PyTuple_SET_ITEM(tuple, 1, sat_name);
 848                         PyTuple_SET_ITEM(tuple, 2, sat_flags);
 849                         PyList_Append(sat_list, tuple);
 850                         Py_DECREF(tuple);
 851                         PyDict_SetItem(sat_dict, sat_pos, sat_name);
 852                         PyDict_SetItem(tp_dict, sat_pos, tplist);
 853                         for (ElementConstIterator it(sat_elements.begin()); it != sat_elements.end(); ++it)
 854                         {
 855                                 //eDebug("\telement: %s", (*it)->name().c_str());
 856                                 const AttributeList &tp_attributes = (*it)->getAttributeList();
 857                                 AttributeConstIterator end = tp_attributes.end();
 858                                 modulation = eDVBFrontendParametersSatellite::Modulation_QPSK;
 859                                 system = eDVBFrontendParametersSatellite::System_DVB_S;
 860                                 freq = 0;
 861                                 sr = 0;
 862                                 pol = -1;
 863                                 fec = eDVBFrontendParametersSatellite::FEC_Auto;
 864                                 inv = eDVBFrontendParametersSatellite::Inversion_Unknown;
 865                                 pilot = eDVBFrontendParametersSatellite::Pilot_Unknown;
 866                                 rolloff = eDVBFrontendParametersSatellite::RollOff_alpha_0_35;
 867                                 tsid = -1;
 868                                 onid = -1;
 869
 870                                 for (AttributeConstIterator it(tp_attributes.begin()); it != end; ++it)
 871                                 {
 872                                         at = *it;
 873                                         //eDebug("\t\tattr: %s", at->name().c_str());
 874                                         name = at->name();
 875                                         if (name == "modulation") dest = &modulation;
 876                                         else if (name == "system") dest = &system;
 877                                         else if (name == "frequency") dest = &freq;
 878                                         else if (name == "symbol_rate") dest = &sr;
 879                                         else if (name == "polarization") dest = &pol;
 880                                         else if (name == "fec_inner") dest = &fec;
 881                                         else if (name == "inversion") dest = &inv;
 882                                         else if (name == "rolloff") dest = &rolloff;
 883                                         else if (name == "pilot") dest = &pilot;
 884                                         else if (name == "tsid") dest = &tsid;
 885                                         else if (name == "onid") dest = &onid;
 886                                         else continue;
 887                                         if (dest)
 888                                         {
 889                                                 //eDebug("\t\t\tvalue: %s", at->value().c_str());
 890                                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
 891                                                 if (!*end_ptr)
 892                                                         *dest = tmp;
 893                                         }
 894                                 }
 895                                 if (freq && sr && pol != -1)
 896                                 {
 897                                         tuple = PyTuple_New(12);
 898                                         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(0));
 899                                         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(freq));
 900                                         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(sr));
 901                                         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(pol));
 902                                         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(fec));
 903                                         PyTuple_SET_ITEM(tuple, 5, PyInt_FromLong(system));
 904                                         PyTuple_SET_ITEM(tuple, 6, PyInt_FromLong(modulation));
 905                                         PyTuple_SET_ITEM(tuple, 7, PyInt_FromLong(inv));
 906                                         PyTuple_SET_ITEM(tuple, 8, PyInt_FromLong(rolloff));
 907                                         PyTuple_SET_ITEM(tuple, 9, PyInt_FromLong(pilot));
 908                                         PyTuple_SET_ITEM(tuple, 10, PyInt_FromLong(tsid));
 909                                         PyTuple_SET_ITEM(tuple, 11, PyInt_FromLong(onid));
 910                                         PyList_Append(tplist, tuple);
 911                                         Py_DECREF(tuple);
 912                                 }
 913                         }
 914                         Py_DECREF(tplist);
 915                 }
 916                 else
 917                 {
 918                         if (sat_pos)
 919                                 Py_DECREF(sat_pos);
 920                         if (sat_name)
 921                                 Py_DECREF(sat_name);
 922                         if (sat_flags)
 923                                 Py_DECREF(sat_flags);
 924                 }
 925         }
 926         Py_INCREF(Py_True);
 927         return Py_True;
 928 }
 929
 930 PyObject *eDVBDB::readCables(ePyObject cab_list, ePyObject tp_dict)
 931 {
 932         if (!PyDict_Check(tp_dict)) {
 933                 PyErr_SetString(PyExc_StandardError,
 934                         "type error");
 935                         eDebug("arg 1 is not a python dict");
 936                 return NULL;
 937         }
 938         else if (!PyList_Check(cab_list))
 939         {
 940                 PyErr_SetString(PyExc_StandardError,
 941                         "type error");
 942                         eDebug("arg 0 is not a python list");
 943                 return NULL;
 944         }
 945         XMLTree tree;
 946         tree.setFilename("/etc/tuxbox/cables.xml");
 947         tree.read();
 948         Element *root = tree.getRoot();
 949         if (!root)
 950         {
 951                 eDebug("couldn't open /etc/tuxbox/cables.xml!!");
 952                 Py_INCREF(Py_False);
 953                 return Py_False;
 954         }
 955         const Attribute *at;
 956         int tmp, *dest,
 957                 modulation, fec, freq, sr;
 958         std::string name;
 959         char *end_ptr;
 960         const ElementList &root_elements = root->getElementList();
 961         for (ElementConstIterator it(root_elements.begin()); it != root_elements.end(); ++it)
 962         {
 963 //              eDebug("element: %s", el->name().c_str());
 964                 const Element *el = *it;
 965                 const ElementList &cab_elements = el->getElementList();
 966                 const AttributeList &cab_attributes = el->getAttributeList();
 967                 ePyObject cab_name;
 968                 ePyObject cab_flags;
 969                 for (AttributeConstIterator it(cab_attributes.begin()); it != cab_attributes.end(); ++it)
 970                 {
 971 //                      eDebug("\tattr: %s", at->name().c_str());
 972                         at = *it;
 973                         name = at->name();
 974                         if (name == "name")
 975                                 cab_name = PyString_FromString(at->value().c_str());
 976                         else if (name == "flags")
 977                         {
 978                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
 979                                 if (!*end_ptr)
 980                                         cab_flags = PyInt_FromLong(tmp);
 981                         }
 982                 }
 983                 if (cab_name)
 984                 {
 985                         ePyObject tplist = PyList_New(0);
 986                         ePyObject tuple = PyTuple_New(2);
 987                         if (!cab_flags)
 988                                 cab_flags = PyInt_FromLong(0);
 989                         PyTuple_SET_ITEM(tuple, 0, cab_name);
 990                         PyTuple_SET_ITEM(tuple, 1, cab_flags);
 991                         PyList_Append(cab_list, tuple);
 992                         Py_DECREF(tuple);
 993                         PyDict_SetItem(tp_dict, cab_name, tplist);
 994                         for (ElementConstIterator it(cab_elements.begin()); it != cab_elements.end(); ++it)
 995                         {
 996 //                              eDebug("\telement: %s", (*it)->name().c_str());
 997                                 const AttributeList &tp_attributes = (*it)->getAttributeList();
 998                                 AttributeConstIterator end = tp_attributes.end();
 999                                 modulation = eDVBFrontendParametersCable::Modulation_QAM64;
1000                                 fec = eDVBFrontendParametersCable::FEC_Auto;
1001                                 freq = 0;
1002                                 sr = 0;
1003                                 for (AttributeConstIterator it(tp_attributes.begin()); it != end; ++it)
1004                                 {
1005 //                                      eDebug("\t\tattr: %s", at->name().c_str());
1006                                         at = *it;
1007                                         dest = 0;
1008                                         name = at->name();
1009                                         if (name == "modulation") dest = &modulation;
1010                                         else if (name == "frequency") dest = &freq;
1011                                         else if (name == "symbol_rate") dest = &sr;
1012                                         else if (name == "fec_inner") dest = &fec;
1013                                         else continue;
1014                                         if (dest)
1015                                         {
1016                                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
1017                                                 if (!*end_ptr)
1018                                                         *dest = tmp;
1019                                         }
1020                                 }
1021                                 if (freq && sr)
1022                                 {
1023                                         while (freq > 999999)
1024                                                 freq /= 10;
1025                                         tuple = PyTuple_New(5);
1026                                         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(1));
1027                                         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(freq));
1028                                         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(sr));
1029                                         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(modulation));
1030                                         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(fec));
1031                                         PyList_Append(tplist, tuple);
1032                                         Py_DECREF(tuple);
1033                                 }
1034                         }
1035                         Py_DECREF(tplist);
1036                 }
1037                 else if (cab_flags)
1038                         Py_DECREF(cab_flags);
1039         }
1040         Py_INCREF(Py_True);
1041         return Py_True;
1042 }
1043
1044 PyObject *eDVBDB::readTerrestrials(ePyObject ter_list, ePyObject tp_dict)
1045 {
1046         if (!PyDict_Check(tp_dict)) {
1047                 PyErr_SetString(PyExc_StandardError,
1048                         "type error");
1049                         eDebug("arg 1 is not a python dict");
1050                 return NULL;
1051         }
1052         else if (!PyList_Check(ter_list))
1053         {
1054                 PyErr_SetString(PyExc_StandardError,
1055                         "type error");
1056                         eDebug("arg 0 is not a python list");
1057                 return NULL;
1058         }
1059         XMLTree tree;
1060         tree.setFilename("/etc/tuxbox/terrestrial.xml");
1061         tree.read();
1062         Element *root = tree.getRoot();
1063         if (!root)
1064         {
1065                 eDebug("couldn't open /etc/tuxbox/terrestrial.xml!!");
1066                 Py_INCREF(Py_False);
1067                 return Py_False;
1068         }
1069         const Attribute *at;
1070         std::string name;
1071         int tmp, *dest,
1072                 freq, bw, constellation, crh = 5, crl = 5, guard = 4, transm, hierarchy, inv = 2;
1073         char *end_ptr;
1074         const ElementList &root_elements = root->getElementList();
1075         for (ElementConstIterator it(root_elements.begin()); it != root_elements.end(); ++it)
1076         {
1077 //              eDebug("element: %s", el->name().c_str());
1078                 const Element *el = *it;
1079                 const ElementList &ter_elements = el->getElementList();
1080                 const AttributeList &ter_attributes = el->getAttributeList();
1081                 ePyObject ter_name;
1082                 ePyObject ter_flags;
1083                 for (AttributeConstIterator it(ter_attributes.begin()); it != ter_attributes.end(); ++it)
1084                 {
1085 //                      eDebug("\tattr: %s", at->name().c_str());
1086                         at = *it;
1087                         name = at->name();
1088                         if (name == "name")
1089                                 ter_name = PyString_FromString(at->value().c_str());
1090                         else if (name == "flags")
1091                         {
1092                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
1093                                 if (!*end_ptr)
1094                                         ter_flags = PyInt_FromLong(tmp);
1095                         }
1096                 }
1097                 if (ter_name)
1098                 {
1099                         ePyObject tplist = PyList_New(0);
1100                         ePyObject tuple = PyTuple_New(2);
1101                         if (!ter_flags)
1102                                 ter_flags = PyInt_FromLong(0);
1103                         PyTuple_SET_ITEM(tuple, 0, ter_name);
1104                         PyTuple_SET_ITEM(tuple, 1, ter_flags);
1105                         PyList_Append(ter_list, tuple);
1106                         Py_DECREF(tuple);
1107                         PyDict_SetItem(tp_dict, ter_name, tplist);
1108                         for (ElementConstIterator it(ter_elements.begin()); it != ter_elements.end(); ++it)
1109                         {
1110 //                              eDebug("\telement: %s", (*it)->name().c_str());
1111                                 const AttributeList &tp_attributes = (*it)->getAttributeList();
1112                                 AttributeConstIterator end = tp_attributes.end();
1113                                 freq = 0;
1114                                 bw = eDVBFrontendParametersTerrestrial::Bandwidth_Auto;
1115                                 constellation = eDVBFrontendParametersTerrestrial::Modulation_Auto;
1116                                 crh = eDVBFrontendParametersTerrestrial::FEC_Auto;
1117                                 crl = eDVBFrontendParametersTerrestrial::FEC_Auto;
1118                                 guard = eDVBFrontendParametersTerrestrial::GuardInterval_Auto;
1119                                 transm = eDVBFrontendParametersTerrestrial::TransmissionMode_Auto;
1120                                 hierarchy = eDVBFrontendParametersTerrestrial::Hierarchy_Auto;
1121                                 inv = eDVBFrontendParametersTerrestrial::Inversion_Unknown;
1122                                 for (AttributeConstIterator it(tp_attributes.begin()); it != end; ++it)
1123                                 {
1124 //                                      eDebug("\t\tattr: %s", at->name().c_str());
1125                                         at = *it;
1126                                         dest = 0;
1127                                         name = at->name();
1128                                         if (name == "centre_frequency") dest = &freq;
1129                                         else if (name == "bandwidth") dest = &bw;
1130                                         else if (name == "constellation") dest = &constellation;
1131                                         else if (name == "code_rate_hp") dest = &crh;
1132                                         else if (name == "code_rate_lp") dest = &crl;
1133                                         else if (name == "guard_interval") dest = &guard;
1134                                         else if (name == "transmission_mode") dest = &transm;
1135                                         else if (name == "hierarchy_information") dest = &hierarchy;
1136                                         else if (name == "inversion") dest = &inv;
1137                                         else continue;
1138                                         if (dest)
1139                                         {
1140                                                 tmp = strtol(at->value().c_str(), &end_ptr, 10);
1141                                                 if (!*end_ptr)
1142                                                         *dest = tmp;
1143                                         }
1144                                 }
1145                                 if (freq)
1146                                 {
1147                                         if (crh > 5) // our terrestrial.xml is buggy... 6 for AUTO
1148                                                 crh = 5;
1149                                         if (crl > 5) // our terrestrial.xml is buggy... 6 for AUTO
1150                                                 crl = 5;
1151                                         tuple = PyTuple_New(10);
1152                                         PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
1153                                         PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(freq));
1154                                         PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(bw));
1155                                         PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(constellation));
1156                                         PyTuple_SET_ITEM(tuple, 4, PyInt_FromLong(crh));
1157                                         PyTuple_SET_ITEM(tuple, 5, PyInt_FromLong(crl));
1158                                         PyTuple_SET_ITEM(tuple, 6, PyInt_FromLong(guard));
1159                                         PyTuple_SET_ITEM(tuple, 7, PyInt_FromLong(transm));
1160                                         PyTuple_SET_ITEM(tuple, 8, PyInt_FromLong(hierarchy));
1161                                         PyTuple_SET_ITEM(tuple, 9, PyInt_FromLong(inv));
1162                                         PyList_Append(tplist, tuple);
1163                                         Py_DECREF(tuple);
1164                                 }
1165                         }
1166                         Py_DECREF(tplist);
1167                 }
1168                 else if (ter_flags)
1169                         Py_DECREF(ter_flags);
1170         }
1171         Py_INCREF(Py_True);
1172         return Py_True;
1173 }
1174
1175 eDVBDB::~eDVBDB()
1176 {
1177         instance=NULL;
1178 }
1179
1180 RESULT eDVBDB::removeService(const eServiceReference &ref)
1181 {
1182         if (ref.type == eServiceReference::idDVB)
1183         {
1184                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
1185                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
1186                 if (it != m_services.end())
1187                 {
1188                         m_services.erase(it);
1189                         return 0;
1190                 }
1191         }
1192         return -1;
1193 }
1194
1195 RESULT eDVBDB::removeServices(int dvb_namespace, int tsid, int onid, unsigned int orb_pos)
1196 {
1197         return removeServices(eDVBChannelID(eDVBNamespace(dvb_namespace), eTransportStreamID(tsid), eOriginalNetworkID(onid)), orb_pos);
1198 }
1199
1200 RESULT eDVBDB::removeServices(eDVBChannelID chid, unsigned int orbpos)
1201 {
1202         RESULT ret=-1;
1203         eDVBNamespace eNs;
1204         eTransportStreamID eTsid;
1205         eOriginalNetworkID eOnid;
1206         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
1207         std::set<eDVBChannelID> removed_chids;
1208         while (it != m_channels.end())
1209         {
1210                 const eDVBChannelID &ch = it->first;
1211                 bool remove=true;
1212                 int system;
1213                 it->second.m_frontendParameters->getSystem(system);
1214                 if ( system == iDVBFrontend::feSatellite )
1215                 {
1216                         eDVBFrontendParametersSatellite sat;
1217                         it->second.m_frontendParameters->getDVBS(sat);
1218                         if ((unsigned int)sat.orbital_position != orbpos)
1219                                 remove=false;
1220                 }
1221                 if ( remove && chid.dvbnamespace != eNs ) // namespace given?
1222                 {
1223                         if ( system == iDVBFrontend::feCable && chid.dvbnamespace.get() == (int)0xFFFF0000 )
1224                                 ;
1225                         else if ( system == iDVBFrontend::feTerrestrial && chid.dvbnamespace.get() == (int)0xEEEE0000 )
1226                                 ;
1227                         else if ( chid.dvbnamespace != ch.dvbnamespace )
1228                                 remove=false;
1229                 }
1230                 else if ( system == iDVBFrontend::feCable || system == iDVBFrontend::feTerrestrial )
1231                         remove=false;
1232                 if ( remove && chid.original_network_id != eOnid && chid.original_network_id != ch.original_network_id )
1233                         remove=false;
1234                 if ( remove && chid.transport_stream_id != eTsid && chid.transport_stream_id != ch.transport_stream_id )
1235                         remove=false;
1236                 if ( remove )
1237                 {
1238                         eDebug("remove %08x %04x %04x",
1239                                 ch.dvbnamespace.get(),
1240                                 ch.original_network_id.get(),
1241                                 ch.transport_stream_id.get());
1242                         removed_chids.insert(it->first);
1243                         m_channels.erase(it++);
1244                 }
1245                 else
1246                         ++it;
1247         }
1248         if (!removed_chids.empty())
1249         {
1250                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
1251                 while(service != m_services.end())
1252                 {
1253                         eDVBChannelID chid;
1254                         service->first.getChannelID(chid);
1255                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
1256                         if (it != removed_chids.end())
1257                                 m_services.erase(service++);
1258                         else
1259                                 ++service;
1260                         ret=0;
1261                 }
1262         }
1263         return ret;
1264 }
1265
1266 RESULT eDVBDB::removeServices(iDVBFrontendParameters *feparm)
1267 {
1268         int ret = -1;
1269         std::set<eDVBChannelID> removed_chids;
1270         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
1271         while (it != m_channels.end())
1272         {
1273                 int diff;
1274                 if (!feparm->calculateDifference(&(*it->second.m_frontendParameters), diff, false))
1275                 {
1276                         if (diff < 4000)
1277                         {
1278                                 removed_chids.insert(it->first);
1279                                 m_channels.erase(it++);
1280                         }
1281                         else
1282                                 ++it;
1283                 }
1284                 else
1285                         ++it;
1286         }
1287         if (!removed_chids.empty())
1288         {
1289                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
1290                 while(service != m_services.end())
1291                 {
1292                         eDVBChannelID chid;
1293                         service->first.getChannelID(chid);
1294                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
1295                         if (it != removed_chids.end())
1296                                 m_services.erase(service++);
1297                         else
1298                                 ++service;
1299                 }
1300                 ret = 0;
1301         }
1302         return ret;
1303 }
1304
1305 RESULT eDVBDB::addFlag(const eServiceReference &ref, unsigned int flagmask)
1306 {
1307         if (ref.type == eServiceReference::idDVB)
1308         {
1309                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
1310                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
1311                 if (it != m_services.end())
1312                         it->second->m_flags |= ~flagmask;
1313                 return 0;
1314         }
1315         return -1;
1316 }
1317
1318 RESULT eDVBDB::removeFlag(const eServiceReference &ref, unsigned int flagmask)
1319 {
1320         if (ref.type == eServiceReference::idDVB)
1321         {
1322                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
1323                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
1324                 if (it != m_services.end())
1325                         it->second->m_flags &= ~flagmask;
1326                 return 0;
1327         }
1328         return -1;
1329 }
1330
1331 RESULT eDVBDB::removeFlags(unsigned int flagmask, int dvb_namespace, int tsid, int onid, unsigned int orb_pos)
1332 {
1333         return removeFlags(flagmask, eDVBChannelID(eDVBNamespace(dvb_namespace), eTransportStreamID(tsid), eOriginalNetworkID(onid)), orb_pos);
1334 }
1335
1336 RESULT eDVBDB::removeFlags(unsigned int flagmask, eDVBChannelID chid, unsigned int orbpos)
1337 {
1338         eDVBNamespace eNs;
1339         eTransportStreamID eTsid;
1340         eOriginalNetworkID eOnid;
1341         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
1342         std::set<eDVBChannelID> removed_chids;
1343         while (it != m_channels.end())
1344         {
1345                 const eDVBChannelID &ch = it->first;
1346                 bool remove=true;
1347                 int system;
1348                 it->second.m_frontendParameters->getSystem(system);
1349                 if ( orbpos != 0xFFFFFFFF && system == iDVBFrontend::feSatellite )
1350                 {
1351                         eDVBFrontendParametersSatellite sat;
1352                         it->second.m_frontendParameters->getDVBS(sat);
1353                         if ((unsigned int)sat.orbital_position != orbpos)
1354                                 remove=false;
1355                 }
1356                 if ( remove && chid.dvbnamespace != eNs )
1357                 {
1358                         if (system == iDVBFrontend::feCable && chid.dvbnamespace.get() == (int)0xFFFF0000)
1359                                 ;
1360                         else if (system == iDVBFrontend::feTerrestrial && chid.dvbnamespace.get() == (int)0xEEEE0000)
1361                                 ;
1362                         else if ( chid.dvbnamespace != ch.dvbnamespace )
1363                                 remove=false;
1364                 }
1365                 if ( remove && chid.original_network_id != eOnid && chid.original_network_id != ch.original_network_id )
1366                         remove=false;
1367                 if ( remove && chid.transport_stream_id != eTsid && chid.transport_stream_id != ch.transport_stream_id )
1368                         remove=false;
1369                 if ( remove )
1370                         removed_chids.insert(it->first);
1371                 ++it;
1372         }
1373         if (!removed_chids.empty())
1374         {
1375                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
1376                 while(service != m_services.end())
1377                 {
1378                         eDVBChannelID chid;
1379                         service->first.getChannelID(chid);
1380                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
1381                         if (it != removed_chids.end())
1382                                 service->second->m_flags &= ~flagmask;
1383                         ++service;
1384                 }
1385         }
1386         return 0;
1387 }
1388
1389 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
1390 {
1391         channel ch;
1392         std::map<eDVBChannelID, channel>::iterator it = m_channels.find(id);
1393         ASSERT(feparm);
1394         ch.m_frontendParameters = feparm;
1395         if (it != m_channels.end())
1396                 it->second = ch;
1397         else
1398                 m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
1399         return 0;
1400 }
1401
1402 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
1403 {
1404         m_channels.erase(id);
1405         return 0;
1406 }
1407
1408 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
1409 {
1410         std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
1411         if (i == m_channels.end())
1412         {
1413                 parm = 0;
1414                 return -ENOENT;
1415         }
1416         parm = i->second.m_frontendParameters;
1417         return 0;
1418 }
1419
1420 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
1421 {
1422         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(serviceref));
1423         if (it == m_services.end())
1424                 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
1425         return 0;
1426 }
1427
1428 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
1429 {
1430         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
1431         i = m_services.find(reference);
1432         if (i == m_services.end())
1433         {
1434                 service = 0;
1435                 return -ENOENT;
1436         }
1437         service = i->second;
1438         return 0;
1439 }
1440
1441 RESULT eDVBDB::flush()
1442 {
1443         saveServicelist();
1444         return 0;
1445 }
1446
1447 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
1448 {
1449         std::string str = ref.path;
1450         if (str.empty())
1451         {
1452                 eDebug("getBouquet failed.. no path given!");
1453                 return -1;
1454         }
1455         size_t pos = str.find("FROM BOUQUET \"");
1456         if ( pos != std::string::npos )
1457         {
1458                 str.erase(0, pos+14);
1459                 pos = str.find('"');
1460                 if ( pos != std::string::npos )
1461                         str.erase(pos);
1462                 else
1463                         str.clear();
1464         }
1465         if (str.empty())
1466         {
1467                 eDebug("getBouquet failed.. couldn't parse bouquet name");
1468                 return -1;
1469         }
1470         std::map<std::string, eBouquet>::iterator i =
1471                 m_bouquets.find(str);
1472         if (i == m_bouquets.end())
1473         {
1474                 bouquet = 0;
1475                 return -ENOENT;
1476         }
1477         bouquet = &i->second;
1478         return 0;
1479 }
1480
1481 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
1482 {
1483         if ( source.path.find("FROM") != std::string::npos )
1484         {
1485                 if ( source.path.find("BOUQUET") != std::string::npos )
1486                         query = new eDVBDBBouquetQuery(this, source, q);
1487                 else if ( source.path.find("SATELLITES") != std::string::npos )
1488                         query = new eDVBDBSatellitesQuery(this, source, q);
1489                 else if ( source.path.find("PROVIDERS") != std::string::npos )
1490                         query = new eDVBDBProvidersQuery(this, source, q);
1491                 else
1492                         eFatal("invalid query %s", source.toString().c_str());
1493         }
1494         else
1495                 query = new eDVBDBQuery(this, source, q);
1496         return 0;
1497 }
1498
1499 eServiceReference eDVBDB::searchReference(int tsid, int onid, int sid)
1500 {
1501         eServiceID Sid(sid);
1502         eTransportStreamID Tsid(tsid);
1503         eOriginalNetworkID Onid(onid);
1504         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator sit(m_services.begin());
1505                 sit != m_services.end(); ++sit)
1506         {
1507                 if (sit->first.getTransportStreamID() == Tsid &&
1508                         sit->first.getOriginalNetworkID() == Onid &&
1509                         sit->first.getServiceID() == Sid)
1510                         return sit->first;
1511         }
1512         return eServiceReference();
1513 }
1514
1515 DEFINE_REF(eDVBDBQueryBase);
1516
1517 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1518         :m_db(db), m_query(query), m_source(source)
1519 {
1520 }
1521
1522 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
1523 {
1524         ePtr<eDVBService> a_service, b_service;
1525         int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
1526
1527         if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
1528         {
1529                 if (a.name.empty() && m_db->getService(a, a_service))
1530                         return 1;
1531                 if (b.name.empty() && m_db->getService(b, b_service))
1532                         return 1;
1533         }
1534
1535         switch (sortmode)
1536         {
1537         case eDVBChannelQuery::tName:
1538                 if (a_service)
1539                 {
1540                         if (b_service)
1541                                 return a_service->m_service_name_sort < b_service->m_service_name_sort;
1542                         else
1543                         {
1544                                 std::string str = b.name;
1545                                 makeUpper(str);
1546                                 return a_service->m_service_name_sort < str;
1547                         }
1548                 }
1549                 else if (b_service)
1550                 {
1551                         std::string str = a.name;
1552                         makeUpper(str);
1553                         return str < b_service->m_service_name_sort;
1554                 }
1555                 else
1556                 {
1557                         std::string aa = a.name, bb = b.name;
1558                         makeUpper(aa);
1559                         makeUpper(bb);
1560                         return aa < bb;
1561                 }
1562         case eDVBChannelQuery::tProvider:
1563                 return a_service->m_provider_name < b_service->m_provider_name;
1564         case eDVBChannelQuery::tType:
1565                 return a.getServiceType() < b.getServiceType();
1566         case eDVBChannelQuery::tBouquet:
1567                 return 0;
1568         case eDVBChannelQuery::tSatellitePosition:
1569                 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
1570         default:
1571                 return 1;
1572         }
1573         return 0;
1574 }
1575
1576 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1577         :eDVBDBQueryBase(db, source, query)
1578 {
1579         m_cursor = m_db->m_services.begin();
1580 }
1581
1582 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
1583 {
1584         while (m_cursor != m_db->m_services.end())
1585         {
1586                 ePtr<eDVBService> service = m_cursor->second;
1587                 if (service->isHidden())
1588                         ++m_cursor;
1589                 else
1590                 {
1591                         ref = m_cursor->first;
1592
1593                         int res = (!m_query) || service->checkFilter(ref, *m_query);
1594
1595                         ++m_cursor;
1596
1597                         if (res)
1598                                 return 0;
1599                 }
1600         }
1601
1602         ref.type = eServiceReference::idInvalid;
1603
1604         return 1;
1605 }
1606
1607 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1608         :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
1609 {
1610 }
1611
1612 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
1613 {
1614         eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
1615         std::list<eServiceReference> &list = bouquet.m_services;
1616         while (m_cursor != list.end())
1617         {
1618                 ref = *((eServiceReferenceDVB*)&(*m_cursor));
1619
1620                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
1621                         m_db->m_services.find(ref);
1622
1623                 int res = (!m_query) || it == m_db->m_services.end() || !(it->second->isHidden() && it->second->checkFilter(ref, *m_query));
1624
1625                 ++m_cursor;
1626
1627                 if (res)
1628                         return 0;
1629         }
1630
1631         ref.type = eServiceReference::idInvalid;
1632
1633         return 1;
1634 }
1635
1636 eDVBDBListQuery::eDVBDBListQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1637         :eDVBDBQueryBase(db, source, query), m_cursor(m_list.end())
1638 {
1639 }
1640
1641 RESULT eDVBDBListQuery::getNextResult(eServiceReferenceDVB &ref)
1642 {
1643         if (m_cursor != m_list.end())
1644         {
1645                 ref = *m_cursor++;
1646                 return 0;
1647         }
1648         ref.type = eServiceReference::idInvalid;
1649         return 1;
1650 }
1651
1652 int eDVBDBListQuery::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
1653 {
1654         if ( m_query->m_sort == eDVBChannelQuery::tSatellitePosition )
1655         {
1656                 int x = (a.getDVBNamespace().get() >> 16);
1657                 int y = (b.getDVBNamespace().get() >> 16);
1658                 if ( x > 1800 )
1659                         x -= 3600;
1660                 if ( y > 1800 )
1661                         y -= 3600;
1662                 return x < y;
1663         }
1664         std::string aa = a.name, bb = b.name;
1665         makeUpper(aa);
1666         makeUpper(bb);
1667         return aa < bb;
1668 }
1669
1670 eDVBDBSatellitesQuery::eDVBDBSatellitesQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1671         :eDVBDBListQuery(db, source, query)
1672 {
1673         std::set<unsigned int> found;
1674         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
1675                 it != m_db->m_services.end(); ++it)
1676         {
1677                 int res = !it->second->isHidden() && it->second->checkFilter(it->first, *query);
1678                 if (res)
1679                 {
1680                         unsigned int dvbnamespace = it->first.getDVBNamespace().get()&0xFFFF0000;
1681                         if (found.find(dvbnamespace) == found.end())
1682                         {
1683                                 found.insert(dvbnamespace);
1684                                 eServiceReferenceDVB ref;
1685                                 ref.setDVBNamespace(dvbnamespace);
1686                                 ref.flags=eServiceReference::flagDirectory;
1687                                 char buf[128];
1688                                 snprintf(buf, 128, "(satellitePosition == %d) && ", dvbnamespace>>16);
1689
1690                                 ref.path=buf+source.path;
1691                                 unsigned int pos=ref.path.find("FROM");
1692                                 ref.path.erase(pos);
1693                                 ref.path+="ORDER BY name";
1694 //                              eDebug("ref.path now %s", ref.path.c_str());
1695                                 m_list.push_back(ref);
1696
1697                                 ref.path=buf+source.path;
1698                                 pos=ref.path.find("FROM");
1699                                 ref.path.erase(pos+5);
1700                                 ref.path+="PROVIDERS ORDER BY name";
1701 //                              eDebug("ref.path now %s", ref.path.c_str());
1702                                 m_list.push_back(ref);
1703
1704                                 snprintf(buf, 128, "(satellitePosition == %d) && (flags == %d) && ", dvbnamespace>>16, eDVBService::dxNewFound);
1705                                 ref.path=buf+source.path;
1706                                 pos=ref.path.find("FROM");
1707                                 ref.path.erase(pos);
1708                                 ref.path+="ORDER BY name";
1709 //                              eDebug("ref.path now %s", ref.path.c_str());
1710                                 m_list.push_back(ref);
1711                         }
1712                 }
1713         }
1714         m_cursor=m_list.begin();
1715 }
1716
1717 eDVBDBProvidersQuery::eDVBDBProvidersQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1718         :eDVBDBListQuery(db, source, query)
1719 {
1720         std::set<std::string> found;
1721         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
1722                 it != m_db->m_services.end(); ++it)
1723         {
1724                 int res = !it->second->isHidden() && it->second->checkFilter(it->first, *query);
1725                 if (res)
1726                 {
1727                         const char *provider_name = it->second->m_provider_name.length() ?
1728                                 it->second->m_provider_name.c_str() :
1729                                 "Unknown";
1730                         if (found.find(std::string(provider_name)) == found.end())
1731                         {
1732                                 found.insert(std::string(provider_name));
1733                                 eServiceReferenceDVB ref;
1734                                 char buf[64];
1735                                 ref.name=provider_name;
1736                                 snprintf(buf, 64, "(provider == \"%s\") && ", provider_name);
1737                                 ref.path=buf+source.path;
1738                                 unsigned int pos = ref.path.find("FROM");
1739                                 ref.flags=eServiceReference::flagDirectory;
1740                                 ref.path.erase(pos);
1741                                 ref.path+="ORDER BY name";
1742 //                              eDebug("ref.path now %s", ref.path.c_str());
1743                                 m_list.push_back(ref);
1744                         }
1745                 }
1746         }
1747         m_cursor=m_list.begin();
1748 }
1749
1750 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
1751
1752 static int decodeType(const std::string &type)
1753 {
1754         if (type == "name")
1755                 return eDVBChannelQuery::tName;
1756         else if (type == "provider")
1757                 return eDVBChannelQuery::tProvider;
1758         else if (type == "type")
1759                 return eDVBChannelQuery::tType;
1760         else if (type == "bouquet")
1761                 return eDVBChannelQuery::tBouquet;
1762         else if (type == "satellitePosition")
1763                 return eDVBChannelQuery::tSatellitePosition;
1764         else if (type == "channelID")
1765                 return eDVBChannelQuery::tChannelID;
1766         else if (type == "flags")
1767                 return eDVBChannelQuery::tFlags;
1768         else
1769                 return -1;
1770 }
1771
1772         /* never, NEVER write a parser in C++! */
1773 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
1774 {
1775         std::list<std::string>::const_iterator end_of_exp;
1776
1777         if (begin == end)
1778                 return 0;
1779
1780         if (*begin == "(")
1781         {
1782                 end_of_exp = begin;
1783                 while (end_of_exp != end)
1784                         if (*end_of_exp == ")")
1785                                 break;
1786                         else
1787                                 ++end_of_exp;
1788
1789                 if (end_of_exp == end)
1790                 {
1791                         eDebug("expression parse: end of expression while searching for closing brace");
1792                         return -1;
1793                 }
1794
1795                 ++begin;
1796                 // begin..end_of_exp
1797                 int r = parseExpression(res, begin, end_of_exp);
1798                 if (r)
1799                         return r;
1800                 ++end_of_exp;
1801
1802                         /* we had only one sub expression */
1803                 if (end_of_exp == end)
1804                 {
1805 //                      eDebug("only one sub expression");
1806                         return 0;
1807                 }
1808
1809                         /* otherwise we have an operator here.. */
1810
1811                 ePtr<eDVBChannelQuery> r2 = res;
1812                 res = new eDVBChannelQuery();
1813                 res->m_sort = 0;
1814                 res->m_p1 = r2;
1815                 res->m_inverse = 0;
1816                 r2 = 0;
1817
1818                 if (*end_of_exp == "||")
1819                         res->m_type = eDVBChannelQuery::tOR;
1820                 else if (*end_of_exp == "&&")
1821                         res->m_type = eDVBChannelQuery::tAND;
1822                 else
1823                 {
1824                         eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
1825                         res = 0;
1826                         return 1;
1827                 }
1828
1829                 ++end_of_exp;
1830
1831                 return parseExpression(res->m_p2, end_of_exp, end);
1832         }
1833
1834         // "begin" <op> "end"
1835         std::string type, op, val;
1836
1837         res = new eDVBChannelQuery();
1838         res->m_sort = 0;
1839
1840         int cnt = 0;
1841         while (begin != end)
1842         {
1843                 switch (cnt)
1844                 {
1845                 case 0:
1846                         type = *begin;
1847                         break;
1848                 case 1:
1849                         op = *begin;
1850                         break;
1851                 case 2:
1852                         val = *begin;
1853                         break;
1854                 case 3:
1855                         eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
1856                         return 1;
1857                 }
1858                 ++begin;
1859                 ++cnt;
1860         }
1861
1862         if (cnt != 3)
1863         {
1864                 eDebug("malformed query: missing stuff");
1865                 res = 0;
1866                 return 1;
1867         }
1868
1869         res->m_type = decodeType(type);
1870
1871         if (res->m_type == -1)
1872         {
1873                 eDebug("malformed query: invalid type %s", type.c_str());
1874                 res = 0;
1875                 return 1;
1876         }
1877
1878         if (op == "==")
1879                 res->m_inverse = 0;
1880         else if (op == "!=")
1881                 res->m_inverse = 1;
1882         else
1883         {
1884                 eDebug("invalid operator %s", op.c_str());
1885                 res = 0;
1886                 return 1;
1887         }
1888
1889         res->m_string = val;
1890
1891         if (res->m_type == eDVBChannelQuery::tChannelID)
1892         {
1893                 int ns, tsid, onid;
1894                 if (sscanf(val.c_str(), "%08x%04x%04x", &ns, &tsid, &onid) == 3)
1895                         res->m_channelid = eDVBChannelID(eDVBNamespace(ns), eTransportStreamID(tsid), eOriginalNetworkID(onid));
1896                 else
1897                         eDebug("couldn't parse channelid !! format should be hex NNNNNNNNTTTTOOOO (namespace, tsid, onid)");
1898         }
1899         else
1900                 res->m_int = atoi(val.c_str());
1901
1902         return 0;
1903 }
1904
1905 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
1906 {
1907         std::list<std::string> tokens;
1908
1909         std::string current_token;
1910         std::string bouquet_name;
1911
1912 //      eDebug("splitting %s....", query.c_str());
1913         unsigned int i = 0;
1914         const char *splitchars="()";
1915         int quotemode = 0, lastsplit = 0, lastalnum = 0;
1916         while (i <= query.size())
1917         {
1918                 int c = (i < query.size()) ? query[i] : ' ';
1919                 ++i;
1920
1921                 int issplit = !!strchr(splitchars, c);
1922                 int isaln = isalnum(c);
1923                 int iswhite = c == ' ';
1924                 int isquot = c == '\"';
1925
1926                 if (quotemode)
1927                 {
1928                         iswhite = issplit = 0;
1929                         isaln = lastalnum;
1930                 }
1931
1932                 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
1933                 {
1934                         if (current_token.size())
1935                                 tokens.push_back(current_token);
1936                         current_token.clear();
1937                 }
1938
1939                 if (!(iswhite || isquot))
1940                         current_token += c;
1941
1942                 if (isquot)
1943                         quotemode = !quotemode;
1944                 lastsplit = issplit;
1945                 lastalnum = isaln;
1946         }
1947
1948 //      for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
1949 //      {
1950 //              printf("%s\n", a->c_str());
1951 //      }
1952
1953         int sort = eDVBChannelQuery::tName;
1954                 /* check for "ORDER BY ..." */
1955
1956         std::list<std::string>::iterator it = tokens.begin();
1957         while (it != tokens.end())
1958         {
1959                 if (*it == "ORDER")
1960                 {
1961                         tokens.erase(it++);
1962                         if (it != tokens.end() && *it == "BY")
1963                         {
1964                                 tokens.erase(it++);
1965                                 sort = decodeType(*it);
1966                                 tokens.erase(it++);
1967                         } else
1968                                 sort = -1;
1969                 }
1970                 else if (*it == "FROM")
1971                 {
1972                         tokens.erase(it++);
1973                         if (it != tokens.end() && *it == "BOUQUET")
1974                         {
1975                                 tokens.erase(it++);
1976                                 bouquet_name = *it;
1977                                 tokens.erase(it++);
1978                         }
1979                         else if (it != tokens.end() && *it == "SATELLITES")
1980                                 tokens.erase(it++);
1981                         else if (it != tokens.end() && *it == "PROVIDERS")
1982                                 tokens.erase(it++);
1983                         else
1984                         {
1985                                 eDebug("FROM unknown %s", (*it).c_str());
1986                                 tokens.erase(it++);
1987                         }
1988                 }
1989                 else
1990                         ++it;
1991         }
1992
1993         if (sort == -1)
1994         {
1995                 eWarning("ORDER BY .. string invalid.");
1996                 res = 0;
1997                 return -1;
1998         }
1999
2000 //      eDebug("sort by %d", sort);
2001
2002                 /* now we recursivly parse that. */
2003         int r = parseExpression(res, tokens.begin(), tokens.end());
2004
2005                 /* we have an empty (but valid!) expression */
2006         if (!r && !res)
2007         {
2008                 res = new eDVBChannelQuery();
2009                 res->m_inverse = 0;
2010                 res->m_type = eDVBChannelQuery::tAny;
2011         }
2012
2013         if (res)
2014         {
2015                 res->m_sort = sort;
2016                 res->m_bouquet_name = bouquet_name;
2017         }
2018
2019 //      eDebug("return: %d", r);
2020         return r;
2021 }
2022
2023 DEFINE_REF(eDVBChannelQuery);