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::flagDirectory) == eServiceReference::flagDirectory )
  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 bool 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 false;
 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%04x", &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::flagDirectory) == eServiceReference::flagDirectory )
 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("bouquets.tv");
 683         loadBouquet("bouquets.radio");
 684 // create default bouquets when missing
 685         if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
 686         {
 687                 eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
 688                 b.m_filename = "userbouquet.favourites.tv";
 689                 b.m_bouquet_name = "Favourites (TV)";
 690                 b.flushChanges();
 691                 eServiceReference ref;
 692                 memset(ref.data, 0, sizeof(ref.data));
 693                 ref.type=1;
 694                 ref.flags=7;
 695                 ref.data[0]=1;
 696                 ref.path="(type == 1) FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
 697                 eBouquet &parent = m_bouquets["bouquets.tv"];
 698                 parent.m_services.push_back(ref);
 699                 parent.flushChanges();
 700         }
 701         if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
 702         {
 703                 eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
 704                 b.m_filename = "userbouquet.favourites.radio";
 705                 b.m_bouquet_name = "Favourites (Radio)";
 706                 b.flushChanges();
 707                 eServiceReference ref;
 708                 memset(ref.data, 0, sizeof(ref.data));
 709                 ref.type=1;
 710                 ref.flags=7;
 711                 ref.data[0]=2;
 712                 ref.path="(type == 2) FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
 713                 eBouquet &parent = m_bouquets["bouquets.radio"];
 714                 parent.m_services.push_back(ref);
 715                 parent.flushChanges();
 716         }
 717 }
 718
 719 eDVBDB *eDVBDB::instance;
 720
 721 eDVBDB::eDVBDB()
 722 {
 723         instance = this;
 724         reloadServicelist();
 725 }
 726
 727 eDVBDB::~eDVBDB()
 728 {
 729         instance=NULL;
 730 }
 731
 732 RESULT eDVBDB::removeService(const eServiceReference &ref)
 733 {
 734         if (ref.type == eServiceReference::idDVB)
 735         {
 736                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
 737                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
 738                 if (it != m_services.end())
 739                 {
 740                         m_services.erase(it);
 741                         return 0;
 742                 }
 743         }
 744         return -1;
 745 }
 746
 747 RESULT eDVBDB::removeServices(int dvb_namespace, int tsid, int onid, unsigned int orb_pos)
 748 {
 749         return removeServices(eDVBChannelID(eDVBNamespace(dvb_namespace), eTransportStreamID(tsid), eOriginalNetworkID(onid)), orb_pos);
 750 }
 751
 752 RESULT eDVBDB::removeServices(eDVBChannelID chid, unsigned int orbpos)
 753 {
 754         RESULT ret=-1;
 755         eDVBNamespace eNs;
 756         eTransportStreamID eTsid;
 757         eOriginalNetworkID eOnid;
 758         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
 759         std::set<eDVBChannelID> removed_chids;
 760         while (it != m_channels.end())
 761         {
 762                 const eDVBChannelID &ch = it->first;
 763                 bool remove=true;
 764                 int system;
 765                 it->second.m_frontendParameters->getSystem(system);
 766                 if ( orbpos != 0xFFFFFFFF && system == iDVBFrontend::feSatellite )
 767                 {
 768                         eDVBFrontendParametersSatellite sat;
 769                         it->second.m_frontendParameters->getDVBS(sat);
 770                         if ((unsigned int)sat.orbital_position != orbpos)
 771                                 remove=false;
 772                 }
 773                 if ( remove && chid.dvbnamespace != eNs && chid.dvbnamespace != ch.dvbnamespace )
 774                         remove=false;
 775                 if ( remove && chid.original_network_id != eOnid && chid.original_network_id != ch.original_network_id )
 776                         remove=false;
 777                 if ( remove && chid.transport_stream_id != eTsid && chid.transport_stream_id != ch.transport_stream_id )
 778                         remove=false;
 779                 if ( remove )
 780                 {
 781                         eDebug("remove %08x %04x %04x",
 782                                 ch.dvbnamespace.get(),
 783                                 ch.original_network_id.get(),
 784                                 ch.transport_stream_id.get());
 785                         removed_chids.insert(it->first);
 786                         m_channels.erase(it++);
 787                 }
 788                 else
 789                         ++it;
 790         }
 791         if (!removed_chids.empty())
 792         {
 793                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
 794                 while(service != m_services.end())
 795                 {
 796                         eDVBChannelID chid;
 797                         service->first.getChannelID(chid);
 798                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
 799                         if (it != removed_chids.end())
 800                                 m_services.erase(service++);
 801                         else
 802                                 ++service;
 803                         ret=0;
 804                 }
 805         }
 806         return ret;
 807 }
 808
 809 RESULT eDVBDB::addFlag(const eServiceReference &ref, unsigned int flagmask)
 810 {
 811         if (ref.type == eServiceReference::idDVB)
 812         {
 813                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
 814                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
 815                 if (it != m_services.end())
 816                         it->second->m_flags |= ~flagmask;
 817                 return 0;
 818         }
 819         return -1;
 820 }
 821
 822 RESULT eDVBDB::removeFlag(const eServiceReference &ref, unsigned int flagmask)
 823 {
 824         if (ref.type == eServiceReference::idDVB)
 825         {
 826                 eServiceReferenceDVB &service = (eServiceReferenceDVB&)ref;
 827                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(service));
 828                 if (it != m_services.end())
 829                         it->second->m_flags &= ~flagmask;
 830                 return 0;
 831         }
 832         return -1;
 833 }
 834
 835 RESULT eDVBDB::removeFlags(unsigned int flagmask, int dvb_namespace, int tsid, int onid, unsigned int orb_pos)
 836 {
 837         return removeFlags(flagmask, eDVBChannelID(eDVBNamespace(dvb_namespace), eTransportStreamID(tsid), eOriginalNetworkID(onid)), orb_pos);
 838 }
 839
 840 RESULT eDVBDB::removeFlags(unsigned int flagmask, eDVBChannelID chid, unsigned int orbpos)
 841 {
 842         eDVBNamespace eNs;
 843         eTransportStreamID eTsid;
 844         eOriginalNetworkID eOnid;
 845         std::map<eDVBChannelID, channel>::iterator it(m_channels.begin());
 846         std::set<eDVBChannelID> removed_chids;
 847         while (it != m_channels.end())
 848         {
 849                 const eDVBChannelID &ch = it->first;
 850                 bool remove=true;
 851                 int system;
 852                 it->second.m_frontendParameters->getSystem(system);
 853                 if ( orbpos != 0xFFFFFFFF && system == iDVBFrontend::feSatellite )
 854                 {
 855                         eDVBFrontendParametersSatellite sat;
 856                         it->second.m_frontendParameters->getDVBS(sat);
 857                         if ((unsigned int)sat.orbital_position != orbpos)
 858                                 remove=false;
 859                 }
 860                 if ( remove && chid.dvbnamespace != eNs && chid.dvbnamespace != ch.dvbnamespace )
 861                         remove=false;
 862                 if ( remove && chid.original_network_id != eOnid && chid.original_network_id != ch.original_network_id )
 863                         remove=false;
 864                 if ( remove && chid.transport_stream_id != eTsid && chid.transport_stream_id != ch.transport_stream_id )
 865                         remove=false;
 866                 if ( remove )
 867                         removed_chids.insert(it->first);
 868                 ++it;
 869         }
 870         if (!removed_chids.empty())
 871         {
 872                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator service(m_services.begin());
 873                 while(service != m_services.end())
 874                 {
 875                         eDVBChannelID chid;
 876                         service->first.getChannelID(chid);
 877                         std::set<eDVBChannelID>::iterator it(removed_chids.find(chid));
 878                         if (it != removed_chids.end())
 879                                 service->second->m_flags &= ~flagmask;
 880                         ++service;
 881                 }
 882         }
 883         return 0;
 884 }
 885
 886 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
 887 {
 888         channel ch;
 889         assert(feparm);
 890         ch.m_frontendParameters = feparm;
 891         m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
 892         return 0;
 893 }
 894
 895 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
 896 {
 897         m_channels.erase(id);
 898         return 0;
 899 }
 900
 901 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
 902 {
 903         std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
 904         if (i == m_channels.end())
 905         {
 906                 parm = 0;
 907                 return -ENOENT;
 908         }
 909         parm = i->second.m_frontendParameters;
 910         return 0;
 911 }
 912
 913 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
 914 {
 915         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_services.find(serviceref));
 916         if (it == m_services.end())
 917                 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
 918         return 0;
 919 }
 920
 921 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
 922 {
 923         std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
 924         i = m_services.find(reference);
 925         if (i == m_services.end())
 926         {
 927                 service = 0;
 928                 return -ENOENT;
 929         }
 930         service = i->second;
 931         return 0;
 932 }
 933
 934 RESULT eDVBDB::flush()
 935 {
 936         saveServicelist();
 937         return 0;
 938 }
 939
 940 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
 941 {
 942         std::string str = ref.path;
 943         if (str.empty())
 944         {
 945                 eDebug("getBouquet failed.. no path given!");
 946                 return -1;
 947         }
 948         unsigned int pos = str.find("FROM BOUQUET \"");
 949         if ( pos != std::string::npos )
 950         {
 951                 str.erase(0, pos+14);
 952                 pos = str.find('"');
 953                 if ( pos != std::string::npos )
 954                         str.erase(pos);
 955                 else
 956                         str.clear();
 957         }
 958         if (str.empty())
 959         {
 960                 eDebug("getBouquet failed.. couldn't parse bouquet name");
 961                 return -1;
 962         }
 963         std::map<std::string, eBouquet>::iterator i =
 964                 m_bouquets.find(str);
 965         if (i == m_bouquets.end())
 966         {
 967                 bouquet = 0;
 968                 return -ENOENT;
 969         }
 970         bouquet = &i->second;
 971         return 0;
 972 }
 973
 974 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
 975 {
 976         if ( source.path.find("FROM") != std::string::npos )
 977         {
 978                 if ( source.path.find("BOUQUET") != std::string::npos )
 979                         query = new eDVBDBBouquetQuery(this, source, q);
 980                 else if ( source.path.find("SATELLITES") != std::string::npos )
 981                         query = new eDVBDBSatellitesQuery(this, source, q);
 982                 else if ( source.path.find("PROVIDERS") != std::string::npos )
 983                         query = new eDVBDBProvidersQuery(this, source, q);
 984                 else
 985                         eFatal("invalid query %s", source.toString().c_str());
 986         }
 987         else
 988                 query = new eDVBDBQuery(this, source, q);
 989         return 0;
 990 }
 991
 992 eServiceReference eDVBDB::searchReference(int tsid, int onid, int sid)
 993 {
 994         eServiceID Sid(sid);
 995         eTransportStreamID Tsid(tsid);
 996         eOriginalNetworkID Onid(onid);
 997         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator sit(m_services.begin());
 998                 sit != m_services.end(); ++sit)
 999         {
1000                 if (sit->first.getTransportStreamID() == Tsid &&
1001                         sit->first.getOriginalNetworkID() == Onid &&
1002                         sit->first.getServiceID() == Sid)
1003                         return sit->first;
1004         }
1005         return eServiceReference();
1006 }
1007
1008 DEFINE_REF(eDVBDBQueryBase);
1009
1010 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1011         :m_db(db), m_query(query), m_source(source)
1012 {
1013 }
1014
1015 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
1016 {
1017         ePtr<eDVBService> a_service, b_service;
1018
1019         int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
1020
1021         if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
1022         {
1023                 if (m_db->getService(a, a_service))
1024                         return 1;
1025                 if (m_db->getService(b, b_service))
1026                         return 1;
1027         }
1028
1029         switch (sortmode)
1030         {
1031         case eDVBChannelQuery::tName:
1032                 return a_service->m_service_name_sort < b_service->m_service_name_sort;
1033         case eDVBChannelQuery::tProvider:
1034                 return a_service->m_provider_name < b_service->m_provider_name;
1035         case eDVBChannelQuery::tType:
1036                 return a.getServiceType() < b.getServiceType();
1037         case eDVBChannelQuery::tBouquet:
1038                 return 0;
1039         case eDVBChannelQuery::tSatellitePosition:
1040                 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
1041         default:
1042                 return 1;
1043         }
1044         return 0;
1045 }
1046
1047 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1048         :eDVBDBQueryBase(db, source, query)
1049 {
1050         m_cursor = m_db->m_services.begin();
1051 }
1052
1053 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
1054 {
1055         while (m_cursor != m_db->m_services.end())
1056         {
1057                 ref = m_cursor->first;
1058
1059                 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
1060
1061                 ++m_cursor;
1062
1063                 if (res)
1064                         return 0;
1065         }
1066
1067         ref.type = eServiceReference::idInvalid;
1068
1069         return 1;
1070 }
1071
1072 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1073         :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
1074 {
1075 }
1076
1077 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
1078 {
1079         eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
1080         std::list<eServiceReference> &list = bouquet.m_services;
1081         while (m_cursor != list.end())
1082         {
1083                 ref = *((eServiceReferenceDVB*)&(*m_cursor));
1084
1085                 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
1086                         m_db->m_services.find(ref);
1087
1088                 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
1089
1090                 ++m_cursor;
1091
1092                 if (res)
1093                         return 0;
1094         }
1095
1096         ref.type = eServiceReference::idInvalid;
1097
1098         return 1;
1099 }
1100
1101 eDVBDBListQuery::eDVBDBListQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1102         :eDVBDBQueryBase(db, source, query), m_cursor(m_list.end())
1103 {
1104 }
1105
1106 RESULT eDVBDBListQuery::getNextResult(eServiceReferenceDVB &ref)
1107 {
1108         if (m_cursor != m_list.end())
1109         {
1110                 ref = *m_cursor++;
1111                 return 0;
1112         }
1113         ref.type = eServiceReference::idInvalid;
1114         return 1;
1115 }
1116
1117 int eDVBDBListQuery::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
1118 {
1119         if ( m_query->m_sort == eDVBChannelQuery::tSatellitePosition )
1120         {
1121                 int x = (a.getDVBNamespace().get() >> 16);
1122                 int y = (b.getDVBNamespace().get() >> 16);
1123                 if ( x > 1800 )
1124                         x -= 3600;
1125                 if ( y > 1800 )
1126                         y -= 3600;
1127                 return x < y;
1128         }
1129         return a.name < b.name;
1130 }
1131
1132 eDVBDBSatellitesQuery::eDVBDBSatellitesQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1133         :eDVBDBListQuery(db, source, query)
1134 {
1135         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
1136                 it != m_db->m_services.end(); ++it)
1137         {
1138                 int res = it->second->checkFilter(it->first, *query);
1139                 if (res)
1140                 {
1141                         unsigned int dvbnamespace = it->first.getDVBNamespace().get()&0xFFFF0000;
1142                         bool found=0;
1143                         for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
1144                                 if ( (i->getDVBNamespace().get()&0xFFFF0000) == dvbnamespace )
1145                                 {
1146                                         found=true;
1147                                         break;
1148                                 }
1149                         if (!found)
1150                         {
1151                                 eServiceReferenceDVB ref;
1152                                 ref.setDVBNamespace(dvbnamespace);
1153                                 ref.flags=eServiceReference::flagDirectory;
1154                                 char buf[128];
1155                                 snprintf(buf, 128, "(satellitePosition == %d) && ", dvbnamespace>>16);
1156
1157                                 ref.path=buf+source.path;
1158                                 unsigned int pos=ref.path.find("FROM");
1159                                 ref.path.erase(pos);
1160                                 ref.path+="ORDER BY name";
1161 //                              eDebug("ref.path now %s", ref.path.c_str());
1162                                 m_list.push_back(ref);
1163
1164                                 ref.path=buf+source.path;
1165                                 pos=ref.path.find("FROM");
1166                                 ref.path.erase(pos+5);
1167                                 ref.path+="PROVIDERS ORDER BY name";
1168 //                              eDebug("ref.path now %s", ref.path.c_str());
1169                                 m_list.push_back(ref);
1170
1171                                 snprintf(buf, 128, "(satellitePosition == %d) && (flags == %d) && ", dvbnamespace>>16, eDVBService::dxNewFound);
1172                                 ref.path=buf+source.path;
1173                                 pos=ref.path.find("FROM");
1174                                 ref.path.erase(pos);
1175                                 ref.path+="ORDER BY name";
1176 //                              eDebug("ref.path now %s", ref.path.c_str());
1177                                 m_list.push_back(ref);
1178                         }
1179                 }
1180         }
1181         m_cursor=m_list.begin();
1182 }
1183
1184 eDVBDBProvidersQuery::eDVBDBProvidersQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
1185         :eDVBDBListQuery(db, source, query)
1186 {
1187         for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
1188                 it != m_db->m_services.end(); ++it)
1189         {
1190                 int res = it->second->checkFilter(it->first, *query);
1191                 if (res)
1192                 {
1193                         bool found=0;
1194
1195                         const char *provider_name = it->second->m_provider_name.length() ?
1196                                 it->second->m_provider_name.c_str() :
1197                                 "Unknown";
1198
1199                         for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
1200                                 if (i->name == provider_name)
1201                                 {
1202                                         found=true;
1203                                         break;
1204                                 }
1205                         if (!found)
1206                         {
1207                                 eServiceReferenceDVB ref;
1208                                 char buf[64];
1209                                 ref.name=provider_name;
1210                                 snprintf(buf, 64, "(provider == \"%s\") && ", provider_name);
1211                                 ref.path=buf+source.path;
1212                                 unsigned int pos = ref.path.find("FROM");
1213                                 ref.flags=eServiceReference::flagDirectory;
1214                                 ref.path.erase(pos);
1215                                 ref.path+="ORDER BY name";
1216 //                              eDebug("ref.path now %s", ref.path.c_str());
1217                                 m_list.push_back(ref);
1218                         }
1219                 }
1220         }
1221         m_cursor=m_list.begin();
1222 }
1223
1224 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
1225
1226 static int decodeType(const std::string &type)
1227 {
1228         if (type == "name")
1229                 return eDVBChannelQuery::tName;
1230         else if (type == "provider")
1231                 return eDVBChannelQuery::tProvider;
1232         else if (type == "type")
1233                 return eDVBChannelQuery::tType;
1234         else if (type == "bouquet")
1235                 return eDVBChannelQuery::tBouquet;
1236         else if (type == "satellitePosition")
1237                 return eDVBChannelQuery::tSatellitePosition;
1238         else if (type == "channelID")
1239                 return eDVBChannelQuery::tChannelID;
1240         else if (type == "flags")
1241                 return eDVBChannelQuery::tFlags;
1242         else
1243                 return -1;
1244 }
1245
1246         /* never, NEVER write a parser in C++! */
1247 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
1248 {
1249         std::list<std::string>::const_iterator end_of_exp;
1250
1251         if (begin == end)
1252         {
1253                 eDebug("empty expression!");
1254                 return 0;
1255         }
1256
1257         if (*begin == "(")
1258         {
1259                 end_of_exp = begin;
1260                 while (end_of_exp != end)
1261                         if (*end_of_exp == ")")
1262                                 break;
1263                         else
1264                                 ++end_of_exp;
1265
1266                 if (end_of_exp == end)
1267                 {
1268                         eDebug("expression parse: end of expression while searching for closing brace");
1269                         return -1;
1270                 }
1271
1272                 ++begin;
1273                 // begin..end_of_exp
1274                 int r = parseExpression(res, begin, end_of_exp);
1275                 if (r)
1276                         return r;
1277                 ++end_of_exp;
1278
1279                         /* we had only one sub expression */
1280                 if (end_of_exp == end)
1281                 {
1282 //                      eDebug("only one sub expression");
1283                         return 0;
1284                 }
1285
1286                         /* otherwise we have an operator here.. */
1287
1288                 ePtr<eDVBChannelQuery> r2 = res;
1289                 res = new eDVBChannelQuery();
1290                 res->m_sort = 0;
1291                 res->m_p1 = r2;
1292                 res->m_inverse = 0;
1293                 r2 = 0;
1294
1295                 if (*end_of_exp == "||")
1296                         res->m_type = eDVBChannelQuery::tOR;
1297                 else if (*end_of_exp == "&&")
1298                         res->m_type = eDVBChannelQuery::tAND;
1299                 else
1300                 {
1301                         eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
1302                         res = 0;
1303                         return 1;
1304                 }
1305
1306                 ++end_of_exp;
1307
1308                 return parseExpression(res->m_p2, end_of_exp, end);
1309         }
1310
1311         // "begin" <op> "end"
1312         std::string type, op, val;
1313
1314         res = new eDVBChannelQuery();
1315         res->m_sort = 0;
1316
1317         int cnt = 0;
1318         while (begin != end)
1319         {
1320                 switch (cnt)
1321                 {
1322                 case 0:
1323                         type = *begin;
1324                         break;
1325                 case 1:
1326                         op = *begin;
1327                         break;
1328                 case 2:
1329                         val = *begin;
1330                         break;
1331                 case 3:
1332                         eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
1333                         return 1;
1334                 }
1335                 ++begin;
1336                 ++cnt;
1337         }
1338
1339         if (cnt != 3)
1340         {
1341                 eDebug("malformed query: missing stuff");
1342                 res = 0;
1343                 return 1;
1344         }
1345
1346         res->m_type = decodeType(type);
1347
1348         if (res->m_type == -1)
1349         {
1350                 eDebug("malformed query: invalid type %s", type.c_str());
1351                 res = 0;
1352                 return 1;
1353         }
1354
1355         if (op == "==")
1356                 res->m_inverse = 0;
1357         else if (op == "!=")
1358                 res->m_inverse = 1;
1359         else
1360         {
1361                 eDebug("invalid operator %s", op.c_str());
1362                 res = 0;
1363                 return 1;
1364         }
1365
1366         res->m_string = val;
1367         res->m_int = atoi(val.c_str());
1368 //      res->m_channelid = eDVBChannelID(val);
1369
1370         return 0;
1371 }
1372
1373 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
1374 {
1375         std::list<std::string> tokens;
1376
1377         std::string current_token;
1378         std::string bouquet_name;
1379
1380 //      eDebug("splitting %s....", query.c_str());
1381         unsigned int i = 0;
1382         const char *splitchars="()";
1383         int quotemode = 0, lastsplit = 0, lastalnum = 0;
1384         while (i <= query.size())
1385         {
1386                 int c = (i < query.size()) ? query[i] : ' ';
1387                 ++i;
1388
1389                 int issplit = !!strchr(splitchars, c);
1390                 int isaln = isalnum(c);
1391                 int iswhite = c == ' ';
1392                 int isquot = c == '\"';
1393
1394                 if (quotemode)
1395                 {
1396                         iswhite = issplit = 0;
1397                         isaln = lastalnum;
1398                 }
1399
1400                 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
1401                 {
1402                         if (current_token.size())
1403                                 tokens.push_back(current_token);
1404                         current_token.clear();
1405                 }
1406
1407                 if (!(iswhite || isquot))
1408                         current_token += c;
1409
1410                 if (isquot)
1411                         quotemode = !quotemode;
1412                 lastsplit = issplit;
1413                 lastalnum = isaln;
1414         }
1415
1416 //      for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
1417 //      {
1418 //              printf("%s\n", a->c_str());
1419 //      }
1420
1421         int sort = eDVBChannelQuery::tName;
1422                 /* check for "ORDER BY ..." */
1423
1424         std::list<std::string>::iterator it = tokens.begin();
1425         while (it != tokens.end())
1426         {
1427                 if (*it == "ORDER")
1428                 {
1429                         tokens.erase(it++);
1430                         if (it != tokens.end() && *it == "BY")
1431                         {
1432                                 tokens.erase(it++);
1433                                 sort = decodeType(*it);
1434                                 tokens.erase(it++);
1435                         } else
1436                                 sort = -1;
1437                 }
1438                 else if (*it == "FROM")
1439                 {
1440                         tokens.erase(it++);
1441                         if (it != tokens.end() && *it == "BOUQUET")
1442                         {
1443                                 tokens.erase(it++);
1444                                 bouquet_name = *it;
1445                                 tokens.erase(it++);
1446                         }
1447                         else if (it != tokens.end() && *it == "SATELLITES")
1448                                 tokens.erase(it++);
1449                         else if (it != tokens.end() && *it == "PROVIDERS")
1450                                 tokens.erase(it++);
1451                         else
1452                         {
1453                                 eDebug("FROM unknown %s", (*it).c_str());
1454                                 tokens.erase(it++);
1455                         }
1456                 }
1457                 else
1458                         ++it;
1459         }
1460
1461         if (sort == -1)
1462         {
1463                 eWarning("ORDER BY .. string invalid.");
1464                 res = 0;
1465                 return -1;
1466         }
1467
1468 //      eDebug("sort by %d", sort);
1469
1470                 /* now we recursivly parse that. */
1471         int r = parseExpression(res, tokens.begin(), tokens.end());
1472
1473                 /* we have an empty (but valid!) expression */
1474         if (!r && !res)
1475         {
1476                 res = new eDVBChannelQuery();
1477                 res->m_inverse = 0;
1478                 res->m_type = eDVBChannelQuery::tAny;
1479         }
1480
1481         if (res)
1482         {
1483                 res->m_sort = sort;
1484                 res->m_bouquet_name = bouquet_name;
1485         }
1486
1487 //      eDebug("return: %d", r);
1488         return r;
1489 }
1490
1491 DEFINE_REF(eDVBChannelQuery);