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