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

   1 #include <errno.h>
   2 #include <lib/dvb/db.h>
   3 #include <lib/dvb/dvb.h>
   4 #include <lib/dvb/frontend.h>
   5 #include <lib/dvb/epgcache.h>
   6 #include <lib/base/eerror.h>
   7 #include <lib/base/estring.h>
   8 #include <dvbsi++/service_description_section.h>
   9 #include <dvbsi++/descriptor_tag.h>
  10 #include <dvbsi++/service_descriptor.h>
  11 #include <dvbsi++/satellite_delivery_system_descriptor.h>
  12
  13 DEFINE_REF(eDVBService);
  14
  15 RESULT eBouquet::addService(const eServiceReference &ref, eServiceReference before)
  16 {
  17         list::iterator it =
  18                 std::find(m_services.begin(), m_services.end(), ref);
  19         if ( it != m_services.end() )
  20                 return -1;
  21         if (before.valid())
  22         {
  23                 it = std::find(m_services.begin(), m_services.end(), before);
  24                 m_services.insert(it, ref);
  25         }
  26         else
  27                 m_services.push_back(ref);
  28         return 0;
  29 }
  30
  31 RESULT eBouquet::removeService(const eServiceReference &ref)
  32 {
  33         list::iterator it =
  34                 std::find(m_services.begin(), m_services.end(), ref);
  35         if ( it == m_services.end() )
  36                 return -1;
  37         m_services.erase(it);
  38         return 0;
  39 }
  40
  41 RESULT eBouquet::moveService(const eServiceReference &ref, unsigned int pos)
  42 {
  43         if ( pos < 0 || pos >= m_services.size() )
  44                 return -1;
  45         ++pos;
  46         list::iterator source=m_services.end();
  47         list::iterator dest=m_services.end();
  48         bool forward = false;
  49         for (list::iterator it(m_services.begin()); it != m_services.end(); ++it)
  50         {
  51                 if (dest == m_services.end() && !--pos)
  52                         dest = it;
  53                 if (*it == ref)
  54                 {
  55                         source = it;
  56                         forward = pos>0;
  57                 }
  58                 if (dest != m_services.end() && source != m_services.end())
  59                         break;
  60         }
  61         if (dest == m_services.end() || source == m_services.end() || source == dest)
  62                 return -1;
  63         while (source != dest)
  64         {
  65                 if (forward)
  66                         std::iter_swap(source++, source);
  67                 else
  68                         std::iter_swap(source--, source);
  69         }
  70         return 0;
  71 }
  72
  73 RESULT eBouquet::flushChanges()
  74 {
  75         FILE *f=fopen((CONFIGDIR"/enigma2/"+m_filename).c_str(), "w");
  76         if (!f)
  77                 return -1;
  78         if ( fprintf(f, "#NAME %s\r\n", m_bouquet_name.c_str()) < 0 )
  79                 goto err;
  80         for (list::iterator i(m_services.begin()); i != m_services.end(); ++i)
  81         {
  82                 eServiceReference tmp = *i;
  83                 std::string str = tmp.path;
  84                 if ( i->flags&eServiceReference::canDescent )
  85                 {
  86                         unsigned int p1 = str.find("FROM BOUQUET \"");
  87                         if (p1 == std::string::npos)
  88                         {
  89                                 eDebug("doof... kaputt");
  90                                 continue;
  91                         }
  92                         str.erase(0, p1+14);
  93                         p1 = str.find("\"");
  94                         if (p1 == std::string::npos)
  95                         {
  96                                 eDebug("doof2... kaputt");
  97                                 continue;
  98                         }
  99                         str.erase(p1);
 100                         tmp.path=str;
 101                 }
 102                 if ( fprintf(f, "#SERVICE %s\r\n", tmp.toString().c_str()) < 0 )
 103                         goto err;
 104                 if ( i->name.length() )
 105                         if ( fprintf(f, "#DESCRIPTION %s\r\n", i->name.c_str()) < 0 )
 106                                 goto err;
 107         }
 108         fclose(f);
 109         return 0;
 110 err:
 111         fclose(f);
 112         eDebug("couldn't write file %s", m_filename.c_str());
 113         return -1;
 114 }
 115
 116 RESULT eBouquet::setListName(const std::string &name)
 117 {
 118         m_bouquet_name = name;
 119         return 0;
 120 }
 121
 122 eDVBService::eDVBService()
 123         :m_cache(0), m_flags(0)
 124 {
 125 }
 126
 127 eDVBService::~eDVBService()
 128 {
 129         delete [] m_cache;
 130 }
 131
 132 eDVBService &eDVBService::operator=(const eDVBService &s)
 133 {
 134         m_service_name = s.m_service_name;
 135         m_service_name_sort = s.m_service_name_sort;
 136         m_provider_name = s.m_provider_name;
 137         m_flags = s.m_flags;
 138         m_ca = s.m_ca;
 139         copyCache(s.m_cache);
 140         return *this;
 141 }
 142
 143 void eDVBService::genSortName()
 144 {
 145         m_service_name_sort = removeDVBChars(m_service_name);
 146         makeUpper(m_service_name_sort);
 147         while ((!m_service_name_sort.empty()) && m_service_name_sort[0] == ' ')
 148                 m_service_name_sort.erase(0, 1);
 149
 150                 /* put unnamed services at the end, not at the beginning. */
 151         if (m_service_name_sort.empty())
 152                 m_service_name_sort = "\xFF";
 153 }
 154
 155 RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
 156 {
 157         if (!ref.name.empty())
 158                 name = ref.name; // use renamed service name..
 159         else if (!m_service_name.empty())
 160                 name = m_service_name;
 161         else
 162                 name = "(...)";
 163         return 0;
 164 }
 165
 166 RESULT eDVBService::getEvent(const eServiceReference &ref, ePtr<eServiceEvent> &ptr, time_t start_time)
 167 {
 168         return eEPGCache::getInstance()->lookupEventTime(ref, start_time, ptr);
 169 }
 170
 171 int eDVBService::isPlayable(const eServiceReference &ref, const eServiceReference &ignore)
 172 {
 173         ePtr<eDVBResourceManager> res_mgr;
 174         if ( eDVBResourceManager::getInstance( res_mgr ) )
 175                 eDebug("isPlayble... no res manager!!");
 176         else
 177         {
 178                 eDVBChannelID chid, chid_ignore;
 179                 ((const eServiceReferenceDVB&)ref).getChannelID(chid);
 180                 ((const eServiceReferenceDVB&)ignore).getChannelID(chid_ignore);
 181                 return res_mgr->canAllocateChannel(chid, chid_ignore);
 182         }
 183         return 0;
 184 }
 185
 186 int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
 187 {
 188         int res = 0;
 189         switch (query.m_type)
 190         {
 191         case eDVBChannelQuery::tName:
 192                 res = m_service_name_sort.find(query.m_string) != std::string::npos;
 193                 break;
 194         case eDVBChannelQuery::tProvider:
 195                 res = m_provider_name.find(query.m_string) != std::string::npos;
 196                 break;
 197         case eDVBChannelQuery::tType:
 198                 res = ref.getServiceType() == query.m_int;
 199                 break;
 200         case eDVBChannelQuery::tBouquet:
 201                 res = 0;
 202                 break;
 203         case eDVBChannelQuery::tSatellitePosition:
 204                 res = ((unsigned int)ref.getDVBNamespace().get())>>16 == (unsigned int)query.m_int;
 205                 break;
 206         case eDVBChannelQuery::tFlags:
 207                 res = (m_flags & query.m_int) == query.m_int;
 208                 break;
 209         case eDVBChannelQuery::tChannelID:
 210         {
 211                 eDVBChannelID chid;
 212                 ref.getChannelID(chid);
 213                 res = chid == query.m_channelid;
 214                 break;
 215         }
 216         case eDVBChannelQuery::tAND:
 217                 res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
 218                 break;
 219         case eDVBChannelQuery::tOR:
 220                 res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
 221                 break;
 222         case eDVBChannelQuery::tAny:
 223                 res = 1;
 224                 break;
 225         }
 226
 227         if (query.m_inverse)
 228                 return !res;
 229         else
 230                 return res;
 231 }
 232
 233 bool eDVBService::cacheEmpty()
 234 {
 235         if (m_cache)
 236                 for (int i=0; i < cacheMax; ++i)
 237                         if (m_cache[i] != -1)
 238                                 return false;
 239         return true;
 240 }
 241
 242 void eDVBService::initCache()
 243 {
 244         m_cache = new int[cacheMax];
 245         memset(m_cache, -1, sizeof(int) * cacheMax);
 246 }
 247
 248 void eDVBService::copyCache(int *source)
 249 {
 250         if (source)
 251         {
 252                 if (!m_cache)
 253                         m_cache = new int[cacheMax];
 254                 memcpy(m_cache, source, cacheMax * sizeof(int));
 255         }
 256         else
 257         {
 258                 delete [] m_cache;
 259                 m_cache = 0;
 260         }
 261 }
 262
 263 int eDVBService::getCacheEntry(cacheID id)
 264 {
 265         if (id >= cacheMax || !m_cache)
 266                 return -1;
 267         return m_cache[id];
 268 }
 269
 270 void eDVBService::setCacheEntry(cacheID id, int pid)
 271 {
 272         if (!m_cache)
 273                 initCache();
 274         if (id < cacheMax)
 275                 m_cache[id] = pid;
 276 }
 277
 278 DEFINE_REF(eDVBDB);
 279
 280         /* THIS CODE IS BAD. it should be replaced by somethine better. */
 281 void eDVBDB::reloadServicelist()
 282 {
 283         eDebug("---- opening lame channel db");
 284         FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "rt");
 285         if (!f)
 286         {
 287                 struct stat s;
 288                 if ( !stat("lamedb", &s) )
 289                 {
 290                         if ( !stat(CONFIGDIR"/enigma2", &s) )
 291                         {
 292                                 rename("lamedb", CONFIGDIR"/enigma2/lamedb" );
 293                                 reloadServicelist();
 294                         }
 295                 }
 296                 return;
 297         }
 298         char line[256];
 299         if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
 300         {
 301                 eDebug("not a servicefile");
 302                 fclose(f);
 303                 return;
 304         }
 305         eDebug("reading services");
 306         if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
 307         {
 308                 eDebug("services invalid, no transponders");
 309                 fclose(f);
 310                 return;
 311         }
 312
 313         // clear all transponders
 314
 315         while (!feof(f))
 316         {
 317                 if (!fgets(line, 256, f))
 318                         break;
 319                 if (!strcmp(line, "end\n"))
 320                         break;
 321                 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
 322                 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
 323                 if (original_network_id == -1)
 324                         continue;
 325                 eDVBChannelID channelid = eDVBChannelID(
 326                         eDVBNamespace(dvb_namespace),
 327                         eTransportStreamID(transport_stream_id),
 328                         eOriginalNetworkID(original_network_id));
 329
 330                 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
 331                 while (!feof(f))
 332                 {
 333                         fgets(line, 256, f);
 334                         if (!strcmp(line, "/\n"))
 335                                 break;
 336                         if (line[1]=='s')
 337                         {
 338                                 eDVBFrontendParametersSatellite sat;
 339                                 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion,
 340                                         system=eDVBFrontendParametersSatellite::System::DVB_S,
 341                                         modulation=eDVBFrontendParametersSatellite::Modulation::QPSK,
 342                                         rolloff=eDVBFrontendParametersSatellite::RollOff::alpha_auto;
 343                                 sscanf(line+2, "%d:%d:%d:%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion, &system, &modulation, &rolloff);
 344                                 sat.frequency = frequency;
 345                                 sat.symbol_rate = symbol_rate;
 346                                 sat.polarisation = polarisation;
 347                                 sat.fec = fec;
 348                                 sat.orbital_position =
 349                                         orbital_position < 0 ? orbital_position + 3600 : orbital_position;
 350                                 sat.inversion = inversion;
 351                                 sat.system = system;
 352                                 sat.modulation = modulation;
 353                                 sat.roll_off = rolloff;
 354                                 feparm->setDVBS(sat);
 355                         } else if (line[1]=='t')
 356                         {
 357                                 eDVBFrontendParametersTerrestrial ter;
 358                                 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
 359                                 sscanf(line+2, "%d:%d:%d:%d:%d:%d:%d:%d:%d", &frequency, &bandwidth, &code_rate_HP, &code_rate_LP, &modulation, &transmission_mode, &guard_interval, &hierarchy, &inversion);
 360                                 ter.frequency = frequency;
 361                                 ter.bandwidth = bandwidth;
 362                                 ter.code_rate_HP = code_rate_HP;
 363                                 ter.code_rate_LP = code_rate_LP;
 364                                 ter.modulation = modulation;
 365                                 ter.transmission_mode = transmission_mode;
 366                                 ter.guard_interval = guard_interval;
 367                                 ter.hierarchy = hierarchy;
 368                                 ter.inversion = inversion;
 369                                 feparm->setDVBT(ter);
 370                         } else if (line[1]=='c')
 371                         {
 372                                 eDVBFrontendParametersCable cab;
 373                                 int frequency, symbol_rate,
 374                                         inversion=eDVBFrontendParametersCable::Inversion::Unknown,
 375                                         modulation=eDVBFrontendParametersCable::Modulation::Auto,
 376                                         fec_inner=eDVBFrontendParametersCable::FEC::fAuto;
 377                                 sscanf(line+2, "%d:%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation, &fec_inner);
 378                                 cab.frequency = frequency;
 379                                 cab.fec_inner = fec_inner;
 380                                 cab.inversion = inversion;
 381                                 cab.symbol_rate = symbol_rate;
 382                                 cab.modulation = modulation;
 383                                 feparm->setDVBC(cab);
 384                         }
 385                 }
 386                 addChannelToList(channelid, feparm);
 387         }
 388
 389         if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
 390         {
 391                 eDebug("services invalid, no services");
 392                 return;
 393         }
 394
 395         // clear all services
 396
 397         int count=0;
 398
 399         while (!feof(f))
 400         {
 401                 if (!fgets(line, 256, f))
 402                         break;
 403                 if (!strcmp(line, "end\n"))
 404                         break;
 405
 406                 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
 407                 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
 408                 if (service_number == -1)
 409                         continue;
 410                 ePtr<eDVBService> s = new eDVBService;
 411                 eServiceReferenceDVB ref =
 412                                                 eServiceReferenceDVB(
 413                                                 eDVBNamespace(dvb_namespace),
 414                                                 eTransportStreamID(transport_stream_id),
 415                                                 eOriginalNetworkID(original_network_id),
 416                                                 eServiceID(service_id),
 417                                                 service_type);
 418                 count++;
 419                 fgets(line, 256, f);
 420                 if (strlen(line))
 421                         line[strlen(line)-1]=0;
 422
 423                 s->m_service_name = line;
 424                 s->genSortName();
 425
 426                 fgets(line, 256, f);
 427                 if (strlen(line))
 428                         line[strlen(line)-1]=0;
 429                 std::string str=line;
 430
 431                 if (str[1]!=':')        // old ... (only service_provider)
 432                 {
 433                         s->m_provider_name=line;
 434                 } else
 435                         while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
 436                         {
 437                                 unsigned int c=str.find(',');
 438                                 char p=str[0];
 439                                 std::string v;
 440                                 if (c == std::string::npos)
 441                                 {
 442                                         v=str.substr(2);
 443                                         str="";
 444                                 } else
 445                                 {
 446                                         v=str.substr(2, c-2);
 447                                         str=str.substr(c+1);
 448                                 }
 449 //                              eDebug("%c ... %s", p, v.c_str());
 450                                 if (p == 'p')
 451                                         s->m_provider_name=v;
 452                                 else if (p == 'f')
 453                                 {
 454                                         sscanf(v.c_str(), "%x", &s->m_flags);
 455                                 } else if (p == 'c')
 456                                 {
 457                                         int cid, val;
 458                                         sscanf(v.c_str(), "%02d%x", &cid, &val);
 459                                         s->setCacheEntry((eDVBService::cacheID)cid,val);
 460                                 } else if (p == 'C')
 461                                 {
 462                                         int val;
 463                                         sscanf(v.c_str(), "%04x", &val);
 464                                         s->m_ca.push_front((uint16_t)val);
 465                                 }
 466                         }
 467                 addService(ref, s);
 468         }
 469
 470         eDebug("loaded %d services", count);
 471
 472         fclose(f);
 473 }
 474
 475 void eDVBDB::saveServicelist()
 476 {
 477         eDebug("---- saving lame channel db");
 478         FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "w");
 479         int channels=0, services=0;
 480         if (!f)
 481                 eFatal("couldn't save lame channel db!");
 482         fprintf(f, "eDVB services /3/\n");
 483         fprintf(f, "transponders\n");
 484         for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
 485                         i != m_channels.end(); ++i)
 486         {
 487                 const eDVBChannelID &chid = i->first;
 488                 const channel &ch = i->second;
 489
 490                 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
 491                                 chid.transport_stream_id.get(), chid.original_network_id.get());
 492                 eDVBFrontendParametersSatellite sat;
 493                 eDVBFrontendParametersTerrestrial ter;
 494                 eDVBFrontendParametersCable cab;
 495                 if (!ch.m_frontendParameters->getDVBS(sat))
 496                 {
 497                         if (sat.system == eDVBFrontendParametersSatellite::System::DVB_S2)
 498                         {
 499                                 fprintf(f, "\ts %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
 500                                         sat.frequency, sat.symbol_rate,
 501                                         sat.polarisation, sat.fec,
 502                                         sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
 503                                         sat.inversion,
 504                                         sat.system,
 505                                         sat.modulation,
 506                                         sat.roll_off);
 507                         }
 508                         else
 509                         {
 510                                 fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
 511                                         sat.frequency, sat.symbol_rate,
 512                                         sat.polarisation, sat.fec,
 513                                         sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
 514                                         sat.inversion);
 515                         }
 516                 }
 517                 if (!ch.m_frontendParameters->getDVBT(ter))
 518                 {
 519                         fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
 520                                 ter.frequency, ter.bandwidth, ter.code_rate_HP,
 521                                 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
 522                                 ter.guard_interval, ter.hierarchy, ter.inversion);
 523                 }
 524                 if (!ch.m_frontendParameters->getDVBC(cab))
 525                 {
 526                         fprintf(f, "\tc %d:%d:%d:%d:%d\n",
 527                                 cab.frequency, cab.symbol_rate, cab.inversion, cab.modulation, cab.fec_inner);
 528                 }
 529                 fprintf(f, "/\n");
 530                 channels++;
 531         }
 532         fprintf(f, "end\nservices\n");
 533
 534         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
 535                 i != m_services.end(); ++i)
 536         {
 537                 const eServiceReferenceDVB &s = i->first;
 538                 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
 539                                 s.getServiceID().get(), s.getDVBNamespace().get(),
 540                                 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
 541                                 s.getServiceType(),
 542                                 0);
 543
 544                 fprintf(f, "%s\n", i->second->m_service_name.c_str());
 545
 546                 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
 547
 548                 // write cached pids
 549                 for (int x=0; x < eDVBService::cacheMax; ++x)
 550                 {
 551                         int entry = i->second->getCacheEntry((eDVBService::cacheID)x);
 552                         if (entry != -1)
 553                                 fprintf(f, ",c:%02d%04x", x, entry);
 554                 }
 555
 556                 // write cached ca pids
 557                 for (CAID_LIST::const_iterator ca(i->second->m_ca.begin());
 558                         ca != i->second->m_ca.end(); ++ca)
 559                         fprintf(f, ",C:%04x", *ca);
 560
 561                 if (i->second->m_flags)
 562                         fprintf(f, ",f:%x", i->second->m_flags);
 563
 564                 fprintf(f, "\n");
 565                 services++;
 566         }
 567         fprintf(f, "end\nHave a lot of bugs!\n");
 568         eDebug("saved %d channels and %d services!", channels, services);
 569         fclose(f);
 570 }
 571
 572 void eDVBDB::loadBouquet(const char *path)
 573 {
 574         std::string bouquet_name = path;
 575         if (!bouquet_name.length())
 576         {
 577                 eDebug("Bouquet load failed.. no path given..");
 578                 return;
 579         }
 580         unsigned int pos = bouquet_name.rfind('/');
 581         if ( pos != std::string::npos )
 582                 bouquet_name.erase(0, pos+1);
 583         if (bouquet_name.empty())
 584         {
 585                 eDebug("Bouquet load failed.. no filename given..");
 586                 return;
 587         }
 588         eBouquet &bouquet = m_bouquets[bouquet_name];
 589         bouquet.m_filename = bouquet_name;
 590         std::list<eServiceReference> &list = bouquet.m_services;
 591         list.clear();
 592
 593         std::string p = CONFIGDIR"/enigma2/";
 594         p+=path;
 595         eDebug("loading bouquet... %s", p.c_str());
 596         FILE *fp=fopen(p.c_str(), "rt");
 597         int entries=0;
 598         if (!fp)
 599         {
 600                 struct stat s;
 601                 if ( !stat(path, &s) )
 602                 {
 603                         rename(path, p.c_str() );
 604                         loadBouquet(path);
 605                         return;
 606                 }
 607                 eDebug("failed to open.");
 608                 if ( strstr(path, "bouquets.tv") )
 609                 {
 610                         eDebug("recreate bouquets.tv");
 611                         bouquet.m_bouquet_name="Bouquets (TV)";
 612                         bouquet.flushChanges();
 613                 }
 614                 else if ( strstr(path, "bouquets.radio") )
 615                 {
 616                         eDebug("recreate bouquets.radio");
 617                         bouquet.m_bouquet_name="Bouquets (Radio)";
 618                         bouquet.flushChanges();
 619                 }
 620                 return;
 621         }
 622         char line[256];
 623         bool read_descr=false;
 624         eServiceReference *e = NULL;
 625         while (1)
 626         {
 627                 if (!fgets(line, 256, fp))
 628                         break;
 629                 line[strlen(line)-1]=0;
 630                 if (strlen(line) && line[strlen(line)-1]=='\r')
 631                         line[strlen(line)-1]=0;
 632                 if (!line[0])
 633                         break;
 634                 if (line[0]=='#')
 635                 {
 636                         if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
 637                         {
 638                                 int offs = line[8] == ':' ? 10 : 9;
 639                                 eServiceReference tmp(line+offs);
 640                                 if (tmp.type != eServiceReference::idDVB)
 641                                 {
 642                                         eDebug("only DVB Bouquets supported");
 643                                         continue;
 644                                 }
 645                                 if ( tmp.flags&eServiceReference::canDescent )
 646                                 {
 647                                         unsigned int pos = tmp.path.rfind('/');
 648                                         if ( pos != std::string::npos )
 649                                                 tmp.path.erase(0, pos+1);
 650                                         if (tmp.path.empty())
 651                                         {
 652                                                 eDebug("Bouquet load failed.. no filename given..");
 653                                                 continue;
 654                                         }
 655                                         loadBouquet(tmp.path.c_str());
 656                                         char buf[256];
 657                                         snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], tmp.path.c_str());
 658                                         tmp.path = buf;
 659                                 }
 660                                 list.push_back(tmp);
 661                                 e = &list.back();
 662                                 read_descr=true;
 663                                 ++entries;
 664                         }
 665                         else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
 666                         {
 667                                 e->name = line+13;
 668                                 read_descr=false;
 669                         }
 670                         else if (!strncmp(line, "#NAME ", 6))
 671                                 bouquet.m_bouquet_name=line+6;
 672                         continue;
 673                 }
 674         }
 675         fclose(fp);
 676         eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
 677 }
 678
 679 void eDVBDB::reloadBouquets()
 680 {
 681         m_bouquets.clear();
 682         loadBouquet("groups.tv");
 683         loadBouquet("groups.radio");
 684         loadBouquet("bouquets.tv");
 685         loadBouquet("bouquets.radio");
 686 // create default bouquets when missing
 687         if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
 688         {
 689                 eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
 690                 b.m_filename = "userbouquet.favourites.tv";
 691                 b.m_bouquet_name = "Favourites (TV)";
 692                 b.flushChanges();
 693                 eServiceReference ref;
 694                 memset(ref.data, 0, sizeof(ref.data));
 695                 ref.type=1;
 696                 ref.flags=7;
 697                 ref.data[0]=1;
 698                 ref.path="(type == 1) FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
 699                 eBouquet &parent = m_bouquets["bouquets.tv"];
 700                 parent.m_services.push_back(ref);
 701                 parent.flushChanges();
 702         }
 703         if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
 704         {
 705                 eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
 706                 b.m_filename = "userbouquet.favourites.radio";
 707                 b.m_bouquet_name = "Favourites (Radio)";
 708                 b.flushChanges();
 709                 eServiceReference ref;
 710                 memset(ref.data, 0, sizeof(ref.data));
 711                 ref.type=1;
 712                 ref.flags=7;
 713                 ref.data[0]=2;
 714                 ref.path="(type == 2) FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
 715                 eBouquet &parent = m_bouquets["bouquets.radio"];
 716                 parent.m_services.push_back(ref);
 717                 parent.flushChanges();
 718         }
 719 }
 720
 721 eDVBDB *eDVBDB::instance;
 722
 723 eDVBDB::eDVBDB()
 724 {
 725         instance = this;
 726         reloadServicelist();
 727 }
 728
 729 eDVBDB::~eDVBDB()
 730 {
 731         instance=NULL;
 732 }
 733
 734 RESULT eDVBDB::removeService(const eServiceReference &ref)
 735 {
 736         if (ref.type == eServiceReference::idDVB)
 737         {
 738                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
 739                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
 740                 if (it != m_services.end())
 741                 {
 742                         m_services.erase(it);
 743                         return 0;
 744                 }
 745         }
 746         return -1;
 747 }
 748
 749 RESULT eDVBDB::removeServices(int dvb_namespace, int tsid, int onid, unsigned int orb_pos)
 750 {
 751         return removeServices(eDVBChannelID(eDVBNamespace(dvb_namespace), eTransportStreamID(tsid), eOriginalNetworkID(onid)), orb_pos);
 752 }
 753
 754 RESULT eDVBDB::removeServices(eDVBChannelID chid, unsigned int orbpos)
 755 {
 756         RESULT ret=-1;
 757         eDVBNamespace eNs;
 758         eTransportStreamID eTsid;
 759         eOriginalNetworkID eOnid;
 760         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
 761         std::set<eDVBChannelID> removed_chids;
 762         while (it != m_channels.end())
 763         {
 764                 const eDVBChannelID &ch = it->first;
 765                 bool remove=true;
 766                 int system;
 767                 it->second.m_frontendParameters->getSystem(system);
 768                 if ( orbpos != 0xFFFFFFFF && system == iDVBFrontend::feSatellite )
 769                 {
 770                         eDVBFrontendParametersSatellite sat;
 771                         it->second.m_frontendParameters->getDVBS(sat);
 772                         if ((unsigned int)sat.orbital_position != orbpos)
 773                                 remove=false;
 774                 }
 775                 if ( remove && chid.dvbnamespace != eNs && chid.dvbnamespace != ch.dvbnamespace )
 776                         remove=false;
 777                 if ( remove && chid.original_network_id != eOnid && chid.original_network_id != ch.original_network_id )
 778                         remove=false;
 779                 if ( remove && chid.transport_stream_id != eTsid && chid.transport_stream_id != ch.transport_stream_id )
 780                         remove=false;
 781                 if ( remove )
 782                 {
 783                         eDebug("remove %08x %04x %04x",
 784                                 ch.dvbnamespace.get(),
 785                                 ch.original_network_id.get(),
 786                                 ch.transport_stream_id.get());
 787                         removed_chids.insert(it->first);
 788                         m_channels.erase(it++);
 789                 }
 790                 else
 791                         ++it;
 792         }
 793         if (!removed_chids.empty())
 794         {
 795                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
 796                 while(service != m_services.end())
 797                 {
 798                         eDVBChannelID chid;
 799                         service->first.getChannelID(chid);
 800                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
 801                         if (it != removed_chids.end())
 802                                 m_services.erase(service++);
 803                         else
 804                                 ++service;
 805                         ret=0;
 806                 }
 807         }
 808         return ret;
 809 }
 810
 811 RESULT eDVBDB::addFlag(const eServiceReference &ref, unsigned int flagmask)
 812 {
 813         if (ref.type == eServiceReference::idDVB)
 814         {
 815                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
 816                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
 817                 if (it != m_services.end())
 818                         it->second->m_flags |= ~flagmask;
 819                 return 0;
 820         }
 821         return -1;
 822 }
 823
 824 RESULT eDVBDB::removeFlag(const eServiceReference &ref, unsigned int flagmask)
 825 {
 826         if (ref.type == eServiceReference::idDVB)
 827         {
 828                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
 829                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
 830                 if (it != m_services.end())
 831                         it->second->m_flags &= ~flagmask;
 832                 return 0;
 833         }
 834         return -1;
 835 }
 836
 837 RESULT eDVBDB::removeFlags(unsigned int flagmask, int dvb_namespace, int tsid, int onid, unsigned int orb_pos)
 838 {
 839         return removeFlags(flagmask, eDVBChannelID(eDVBNamespace(dvb_namespace), eTransportStreamID(tsid), eOriginalNetworkID(onid)), orb_pos);
 840 }
 841
 842 RESULT eDVBDB::removeFlags(unsigned int flagmask, eDVBChannelID chid, unsigned int orbpos)
 843 {
 844         eDVBNamespace eNs;
 845         eTransportStreamID eTsid;
 846         eOriginalNetworkID eOnid;
 847         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
 848         std::set<eDVBChannelID> removed_chids;
 849         while (it != m_channels.end())
 850         {
 851                 const eDVBChannelID &ch = it->first;
 852                 bool remove=true;
 853                 int system;
 854                 it->second.m_frontendParameters->getSystem(system);
 855                 if ( orbpos != 0xFFFFFFFF && system == iDVBFrontend::feSatellite )
 856                 {
 857                         eDVBFrontendParametersSatellite sat;
 858                         it->second.m_frontendParameters->getDVBS(sat);
 859                         if ((unsigned int)sat.orbital_position != orbpos)
 860                                 remove=false;
 861                 }
 862                 if ( remove && chid.dvbnamespace != eNs && chid.dvbnamespace != ch.dvbnamespace )
 863                         remove=false;
 864                 if ( remove && chid.original_network_id != eOnid && chid.original_network_id != ch.original_network_id )
 865                         remove=false;
 866                 if ( remove && chid.transport_stream_id != eTsid && chid.transport_stream_id != ch.transport_stream_id )
 867                         remove=false;
 868                 if ( remove )
 869                         removed_chids.insert(it->first);
 870                 ++it;
 871         }
 872         if (!removed_chids.empty())
 873         {
 874                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
 875                 while(service != m_services.end())
 876                 {
 877                         eDVBChannelID chid;
 878                         service->first.getChannelID(chid);
 879                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
 880                         if (it != removed_chids.end())
 881                                 service->second->m_flags &= ~flagmask;
 882                         ++service;
 883                 }
 884         }
 885         return 0;
 886 }
 887
 888 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
 889 {
 890         channel ch;
 891         assert(feparm);
 892         ch.m_frontendParameters = feparm;
 893         m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
 894         return 0;
 895 }
 896
 897 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
 898 {
 899         m_channels.erase(id);
 900         return 0;
 901 }
 902
 903 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
 904 {
 905         std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
 906         if (i == m_channels.end())
 907         {
 908                 parm = 0;
 909                 return -ENOENT;
 910         }
 911         parm = i->second.m_frontendParameters;
 912         return 0;
 913 }
 914
 915 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
 916 {
 917         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(serviceref));
 918         if (it == m_services.end())
 919                 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
 920         return 0;
 921 }
 922
 923 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
 924 {
 925         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
 926         i = m_services.find(reference);
 927         if (i == m_services.end())
 928         {
 929                 service = 0;
 930                 return -ENOENT;
 931         }
 932         service = i->second;
 933         return 0;
 934 }
 935
 936 RESULT eDVBDB::flush()
 937 {
 938         saveServicelist();
 939         return 0;
 940 }
 941
 942 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
 943 {
 944         std::string str = ref.path;
 945         if (str.empty())
 946         {
 947                 eDebug("getBouquet failed.. no path given!");
 948                 return -1;
 949         }
 950         unsigned int pos = str.find("FROM BOUQUET \"");
 951         if ( pos != std::string::npos )
 952         {
 953                 str.erase(0, pos+14);
 954                 pos = str.find('"');
 955                 if ( pos != std::string::npos )
 956                         str.erase(pos);
 957                 else
 958                         str.clear();
 959         }
 960         if (str.empty())
 961         {
 962                 eDebug("getBouquet failed.. couldn't parse bouquet name");
 963                 return -1;
 964         }
 965         std::map<std::string, eBouquet>::iterator i =
 966                 m_bouquets.find(str);
 967         if (i == m_bouquets.end())
 968         {
 969                 bouquet = 0;
 970                 return -ENOENT;
 971         }
 972         bouquet = &i->second;
 973         return 0;
 974 }
 975
 976 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
 977 {
 978         if ( source.path.find("FROM") != std::string::npos )
 979         {
 980                 if ( source.path.find("BOUQUET") != std::string::npos )
 981                         query = new eDVBDBBouquetQuery(this, source, q);
 982                 else if ( source.path.find("SATELLITES") != std::string::npos )
 983                         query = new eDVBDBSatellitesQuery(this, source, q);
 984                 else if ( source.path.find("PROVIDERS") != std::string::npos )
 985                         query = new eDVBDBProvidersQuery(this, source, q);
 986                 else
 987                         eFatal("invalid query %s", source.toString().c_str());
 988         }
 989         else
 990                 query = new eDVBDBQuery(this, source, q);
 991         return 0;
 992 }
 993
 994 eServiceReference eDVBDB::searchReference(int tsid, int onid, int sid)
 995 {
 996         eServiceID Sid(sid);
 997         eTransportStreamID Tsid(tsid);
 998         eOriginalNetworkID Onid(onid);
 999         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator sit(m_services.begin());
1000                 sit != m_services.end(); ++sit)
1001         {
1002                 if (sit->first.getTransportStreamID() == Tsid &&
1003                         sit->first.getOriginalNetworkID() == Onid &&
1004                         sit->first.getServiceID() == Sid)
1005                         return sit->first;
1006         }
1007         return eServiceReference();
1008 }
1009
1010 DEFINE_REF(eDVBDBQueryBase);
1011
1012 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1013         :m_db(db), m_query(query), m_source(source)
1014 {
1015 }
1016
1017 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
1018 {
1019         ePtr<eDVBService> a_service, b_service;
1020         int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
1021
1022         if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
1023         {
1024                 if (a.name.empty() && m_db->getService(a, a_service))
1025                         return 1;
1026                 if (b.name.empty() && m_db->getService(b, b_service))
1027                         return 1;
1028         }
1029
1030         switch (sortmode)
1031         {
1032         case eDVBChannelQuery::tName:
1033                 if (a_service)
1034                 {
1035                         if (b_service)
1036                                 return a_service->m_service_name_sort < b_service->m_service_name_sort;
1037                         else
1038                         {
1039                                 std::string str = b.name;
1040                                 makeUpper(str);
1041                                 return a_service->m_service_name_sort < str;
1042                         }
1043                 }
1044                 else if (b_service)
1045                 {
1046                         std::string str = a.name;
1047                         makeUpper(str);
1048                         return str < b_service->m_service_name_sort;
1049                 }
1050                 else
1051                 {
1052                         std::string aa = a.name, bb = b.name;
1053                         makeUpper(aa);
1054                         makeUpper(bb);
1055                         return aa < bb;
1056                 }
1057         case eDVBChannelQuery::tProvider:
1058                 return a_service->m_provider_name < b_service->m_provider_name;
1059         case eDVBChannelQuery::tType:
1060                 return a.getServiceType() < b.getServiceType();
1061         case eDVBChannelQuery::tBouquet:
1062                 return 0;
1063         case eDVBChannelQuery::tSatellitePosition:
1064                 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
1065         default:
1066                 return 1;
1067         }
1068         return 0;
1069 }
1070
1071 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1072         :eDVBDBQueryBase(db, source, query)
1073 {
1074         m_cursor = m_db->m_services.begin();
1075 }
1076
1077 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
1078 {
1079         while (m_cursor != m_db->m_services.end())
1080         {
1081                 ref = m_cursor->first;
1082
1083                 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
1084
1085                 ++m_cursor;
1086
1087                 if (res)
1088                         return 0;
1089         }
1090
1091         ref.type = eServiceReference::idInvalid;
1092
1093         return 1;
1094 }
1095
1096 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1097         :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
1098 {
1099 }
1100
1101 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
1102 {
1103         eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
1104         std::list<eServiceReference> &list = bouquet.m_services;
1105         while (m_cursor != list.end())
1106         {
1107                 ref = *((eServiceReferenceDVB*)&(*m_cursor));
1108
1109                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
1110                         m_db->m_services.find(ref);
1111
1112                 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
1113
1114                 ++m_cursor;
1115
1116                 if (res)
1117                         return 0;
1118         }
1119
1120         ref.type = eServiceReference::idInvalid;
1121
1122         return 1;
1123 }
1124
1125 eDVBDBListQuery::eDVBDBListQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1126         :eDVBDBQueryBase(db, source, query), m_cursor(m_list.end())
1127 {
1128 }
1129
1130 RESULT eDVBDBListQuery::getNextResult(eServiceReferenceDVB &ref)
1131 {
1132         if (m_cursor != m_list.end())
1133         {
1134                 ref = *m_cursor++;
1135                 return 0;
1136         }
1137         ref.type = eServiceReference::idInvalid;
1138         return 1;
1139 }
1140
1141 int eDVBDBListQuery::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
1142 {
1143         if ( m_query->m_sort == eDVBChannelQuery::tSatellitePosition )
1144         {
1145                 int x = (a.getDVBNamespace().get() >> 16);
1146                 int y = (b.getDVBNamespace().get() >> 16);
1147                 if ( x > 1800 )
1148                         x -= 3600;
1149                 if ( y > 1800 )
1150                         y -= 3600;
1151                 return x < y;
1152         }
1153         std::string aa = a.name, bb = b.name;
1154         makeUpper(aa);
1155         makeUpper(bb);
1156         return aa < bb;
1157 }
1158
1159 eDVBDBSatellitesQuery::eDVBDBSatellitesQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1160         :eDVBDBListQuery(db, source, query)
1161 {
1162         std::set<unsigned int> found;
1163         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
1164                 it != m_db->m_services.end(); ++it)
1165         {
1166                 int res = it->second->checkFilter(it->first, *query);
1167                 if (res)
1168                 {
1169                         unsigned int dvbnamespace = it->first.getDVBNamespace().get()&0xFFFF0000;
1170                         if (found.find(dvbnamespace) == found.end())
1171                         {
1172                                 found.insert(dvbnamespace);
1173                                 eServiceReferenceDVB ref;
1174                                 ref.setDVBNamespace(dvbnamespace);
1175                                 ref.flags=eServiceReference::flagDirectory;
1176                                 char buf[128];
1177                                 snprintf(buf, 128, "(satellitePosition == %d) && ", dvbnamespace>>16);
1178
1179                                 ref.path=buf+source.path;
1180                                 unsigned int pos=ref.path.find("FROM");
1181                                 ref.path.erase(pos);
1182                                 ref.path+="ORDER BY name";
1183 //                              eDebug("ref.path now %s", ref.path.c_str());
1184                                 m_list.push_back(ref);
1185
1186                                 ref.path=buf+source.path;
1187                                 pos=ref.path.find("FROM");
1188                                 ref.path.erase(pos+5);
1189                                 ref.path+="PROVIDERS ORDER BY name";
1190 //                              eDebug("ref.path now %s", ref.path.c_str());
1191                                 m_list.push_back(ref);
1192
1193                                 snprintf(buf, 128, "(satellitePosition == %d) && (flags == %d) && ", dvbnamespace>>16, eDVBService::dxNewFound);
1194                                 ref.path=buf+source.path;
1195                                 pos=ref.path.find("FROM");
1196                                 ref.path.erase(pos);
1197                                 ref.path+="ORDER BY name";
1198 //                              eDebug("ref.path now %s", ref.path.c_str());
1199                                 m_list.push_back(ref);
1200                         }
1201                 }
1202         }
1203         m_cursor=m_list.begin();
1204 }
1205
1206 eDVBDBProvidersQuery::eDVBDBProvidersQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1207         :eDVBDBListQuery(db, source, query)
1208 {
1209         std::set<std::string> found;
1210         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
1211                 it != m_db->m_services.end(); ++it)
1212         {
1213                 int res = it->second->checkFilter(it->first, *query);
1214                 if (res)
1215                 {
1216                         const char *provider_name = it->second->m_provider_name.length() ?
1217                                 it->second->m_provider_name.c_str() :
1218                                 "Unknown";
1219                         if (found.find(std::string(provider_name)) == found.end())
1220                         {
1221                                 found.insert(std::string(provider_name));
1222                                 eServiceReferenceDVB ref;
1223                                 char buf[64];
1224                                 ref.name=provider_name;
1225                                 snprintf(buf, 64, "(provider == \"%s\") && ", provider_name);
1226                                 ref.path=buf+source.path;
1227                                 unsigned int pos = ref.path.find("FROM");
1228                                 ref.flags=eServiceReference::flagDirectory;
1229                                 ref.path.erase(pos);
1230                                 ref.path+="ORDER BY name";
1231 //                              eDebug("ref.path now %s", ref.path.c_str());
1232                                 m_list.push_back(ref);
1233                         }
1234                 }
1235         }
1236         m_cursor=m_list.begin();
1237 }
1238
1239 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
1240
1241 static int decodeType(const std::string &type)
1242 {
1243         if (type == "name")
1244                 return eDVBChannelQuery::tName;
1245         else if (type == "provider")
1246                 return eDVBChannelQuery::tProvider;
1247         else if (type == "type")
1248                 return eDVBChannelQuery::tType;
1249         else if (type == "bouquet")
1250                 return eDVBChannelQuery::tBouquet;
1251         else if (type == "satellitePosition")
1252                 return eDVBChannelQuery::tSatellitePosition;
1253         else if (type == "channelID")
1254                 return eDVBChannelQuery::tChannelID;
1255         else if (type == "flags")
1256                 return eDVBChannelQuery::tFlags;
1257         else
1258                 return -1;
1259 }
1260
1261         /* never, NEVER write a parser in C++! */
1262 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
1263 {
1264         std::list<std::string>::const_iterator end_of_exp;
1265
1266         if (begin == end)
1267         {
1268                 eDebug("empty expression!");
1269                 return 0;
1270         }
1271
1272         if (*begin == "(")
1273         {
1274                 end_of_exp = begin;
1275                 while (end_of_exp != end)
1276                         if (*end_of_exp == ")")
1277                                 break;
1278                         else
1279                                 ++end_of_exp;
1280
1281                 if (end_of_exp == end)
1282                 {
1283                         eDebug("expression parse: end of expression while searching for closing brace");
1284                         return -1;
1285                 }
1286
1287                 ++begin;
1288                 // begin..end_of_exp
1289                 int r = parseExpression(res, begin, end_of_exp);
1290                 if (r)
1291                         return r;
1292                 ++end_of_exp;
1293
1294                         /* we had only one sub expression */
1295                 if (end_of_exp == end)
1296                 {
1297 //                      eDebug("only one sub expression");
1298                         return 0;
1299                 }
1300
1301                         /* otherwise we have an operator here.. */
1302
1303                 ePtr<eDVBChannelQuery> r2 = res;
1304                 res = new eDVBChannelQuery();
1305                 res->m_sort = 0;
1306                 res->m_p1 = r2;
1307                 res->m_inverse = 0;
1308                 r2 = 0;
1309
1310                 if (*end_of_exp == "||")
1311                         res->m_type = eDVBChannelQuery::tOR;
1312                 else if (*end_of_exp == "&&")
1313                         res->m_type = eDVBChannelQuery::tAND;
1314                 else
1315                 {
1316                         eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
1317                         res = 0;
1318                         return 1;
1319                 }
1320
1321                 ++end_of_exp;
1322
1323                 return parseExpression(res->m_p2, end_of_exp, end);
1324         }
1325
1326         // "begin" <op> "end"
1327         std::string type, op, val;
1328
1329         res = new eDVBChannelQuery();
1330         res->m_sort = 0;
1331
1332         int cnt = 0;
1333         while (begin != end)
1334         {
1335                 switch (cnt)
1336                 {
1337                 case 0:
1338                         type = *begin;
1339                         break;
1340                 case 1:
1341                         op = *begin;
1342                         break;
1343                 case 2:
1344                         val = *begin;
1345                         break;
1346                 case 3:
1347                         eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
1348                         return 1;
1349                 }
1350                 ++begin;
1351                 ++cnt;
1352         }
1353
1354         if (cnt != 3)
1355         {
1356                 eDebug("malformed query: missing stuff");
1357                 res = 0;
1358                 return 1;
1359         }
1360
1361         res->m_type = decodeType(type);
1362
1363         if (res->m_type == -1)
1364         {
1365                 eDebug("malformed query: invalid type %s", type.c_str());
1366                 res = 0;
1367                 return 1;
1368         }
1369
1370         if (op == "==")
1371                 res->m_inverse = 0;
1372         else if (op == "!=")
1373                 res->m_inverse = 1;
1374         else
1375         {
1376                 eDebug("invalid operator %s", op.c_str());
1377                 res = 0;
1378                 return 1;
1379         }
1380
1381         res->m_string = val;
1382         res->m_int = atoi(val.c_str());
1383 //      res->m_channelid = eDVBChannelID(val);
1384
1385         return 0;
1386 }
1387
1388 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
1389 {
1390         std::list<std::string> tokens;
1391
1392         std::string current_token;
1393         std::string bouquet_name;
1394
1395 //      eDebug("splitting %s....", query.c_str());
1396         unsigned int i = 0;
1397         const char *splitchars="()";
1398         int quotemode = 0, lastsplit = 0, lastalnum = 0;
1399         while (i <= query.size())
1400         {
1401                 int c = (i < query.size()) ? query[i] : ' ';
1402                 ++i;
1403
1404                 int issplit = !!strchr(splitchars, c);
1405                 int isaln = isalnum(c);
1406                 int iswhite = c == ' ';
1407                 int isquot = c == '\"';
1408
1409                 if (quotemode)
1410                 {
1411                         iswhite = issplit = 0;
1412                         isaln = lastalnum;
1413                 }
1414
1415                 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
1416                 {
1417                         if (current_token.size())
1418                                 tokens.push_back(current_token);
1419                         current_token.clear();
1420                 }
1421
1422                 if (!(iswhite || isquot))
1423                         current_token += c;
1424
1425                 if (isquot)
1426                         quotemode = !quotemode;
1427                 lastsplit = issplit;
1428                 lastalnum = isaln;
1429         }
1430
1431 //      for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
1432 //      {
1433 //              printf("%s\n", a->c_str());
1434 //      }
1435
1436         int sort = eDVBChannelQuery::tName;
1437                 /* check for "ORDER BY ..." */
1438
1439         std::list<std::string>::iterator it = tokens.begin();
1440         while (it != tokens.end())
1441         {
1442                 if (*it == "ORDER")
1443                 {
1444                         tokens.erase(it++);
1445                         if (it != tokens.end() && *it == "BY")
1446                         {
1447                                 tokens.erase(it++);
1448                                 sort = decodeType(*it);
1449                                 tokens.erase(it++);
1450                         } else
1451                                 sort = -1;
1452                 }
1453                 else if (*it == "FROM")
1454                 {
1455                         tokens.erase(it++);
1456                         if (it != tokens.end() && *it == "BOUQUET")
1457                         {
1458                                 tokens.erase(it++);
1459                                 bouquet_name = *it;
1460                                 tokens.erase(it++);
1461                         }
1462                         else if (it != tokens.end() && *it == "SATELLITES")
1463                                 tokens.erase(it++);
1464                         else if (it != tokens.end() && *it == "PROVIDERS")
1465                                 tokens.erase(it++);
1466                         else
1467                         {
1468                                 eDebug("FROM unknown %s", (*it).c_str());
1469                                 tokens.erase(it++);
1470                         }
1471                 }
1472                 else
1473                         ++it;
1474         }
1475
1476         if (sort == -1)
1477         {
1478                 eWarning("ORDER BY .. string invalid.");
1479                 res = 0;
1480                 return -1;
1481         }
1482
1483 //      eDebug("sort by %d", sort);
1484
1485                 /* now we recursivly parse that. */
1486         int r = parseExpression(res, tokens.begin(), tokens.end());
1487
1488                 /* we have an empty (but valid!) expression */
1489         if (!r && !res)
1490         {
1491                 res = new eDVBChannelQuery();
1492                 res->m_inverse = 0;
1493                 res->m_type = eDVBChannelQuery::tAny;
1494         }
1495
1496         if (res)
1497         {
1498                 res->m_sort = sort;
1499                 res->m_bouquet_name = bouquet_name;
1500         }
1501
1502 //      eDebug("return: %d", r);
1503         return r;
1504 }
1505
1506 DEFINE_REF(eDVBChannelQuery);