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