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>
13 DEFINE_REF(eDVBService);
15 RESULT eBouquet::addService(const eServiceReference &ref)
18 std::find(m_services.begin(), m_services.end(), ref);
19 if ( it != m_services.end() )
21 m_services.push_back(ref);
25 RESULT eBouquet::removeService(const eServiceReference &ref)
28 std::find(m_services.begin(), m_services.end(), ref);
29 if ( it == m_services.end() )
35 RESULT eBouquet::moveService(const eServiceReference &ref, unsigned int pos)
37 if ( pos < 0 || pos >= m_services.size() )
40 list::iterator source=m_services.end();
41 list::iterator dest=m_services.end();
43 for (list::iterator it(m_services.begin()); it != m_services.end(); ++it)
45 if (dest == m_services.end() && !--pos)
52 if (dest != m_services.end() && source != m_services.end())
55 if (dest == m_services.end() || source == m_services.end() || source == dest)
57 while (source != dest)
60 std::iter_swap(source++, source);
62 std::iter_swap(source--, source);
67 RESULT eBouquet::flushChanges()
69 FILE *f=fopen((CONFIGDIR"/enigma2/"+m_filename).c_str(), "w");
72 if ( fprintf(f, "#NAME %s\r\n", m_bouquet_name.c_str()) < 0 )
74 for (list::iterator i(m_services.begin()); i != m_services.end(); ++i)
76 eServiceReference tmp = *i;
77 std::string str = tmp.path;
78 if ( (i->flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
80 unsigned int p1 = str.find("FROM BOUQUET \"");
81 if (p1 == std::string::npos)
83 eDebug("doof... kaputt");
88 if (p1 == std::string::npos)
90 eDebug("doof2... kaputt");
96 if ( fprintf(f, "#SERVICE %s\r\n", tmp.toString().c_str()) < 0 )
98 if ( i->name.length() )
99 if ( fprintf(f, "#DESCRIPTION %s\r\n", i->name.c_str()) < 0 )
106 eDebug("couldn't write file %s", m_filename.c_str());
110 eDVBService::eDVBService()
114 eDVBService::~eDVBService()
118 eDVBService &eDVBService::operator=(const eDVBService &s)
120 m_service_name = s.m_service_name;
121 m_service_name_sort = s.m_service_name_sort;
122 m_provider_name = s.m_provider_name;
129 void eDVBService::genSortName()
131 m_service_name_sort = removeDVBChars(m_service_name);
132 makeUpper(m_service_name_sort);
133 while ((!m_service_name_sort.empty()) && m_service_name_sort[0] == ' ')
134 m_service_name_sort.erase(0, 1);
136 /* put unnamed services at the end, not at the beginning. */
137 if (m_service_name_sort.empty())
138 m_service_name_sort = "\xFF";
141 RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
143 if (!ref.name.empty())
144 name = ref.name; // use renamed service name..
145 else if (!m_service_name.empty())
146 name = m_service_name;
152 RESULT eDVBService::getEvent(const eServiceReference &ref, ePtr<eServiceEvent> &ptr, time_t start_time)
154 return eEPGCache::getInstance()->lookupEventTime(ref, start_time, ptr);
157 bool eDVBService::isPlayable(const eServiceReference &ref, const eServiceReference &ignore)
159 ePtr<eDVBResourceManager> res_mgr;
160 if ( eDVBResourceManager::getInstance( res_mgr ) )
161 eDebug("isPlayble... no res manager!!");
164 eDVBChannelID chid, chid_ignore;
165 ((const eServiceReferenceDVB&)ref).getChannelID(chid);
166 ((const eServiceReferenceDVB&)ignore).getChannelID(chid_ignore);
167 return res_mgr->canAllocateChannel(chid, chid_ignore);
172 int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
175 switch (query.m_type)
177 case eDVBChannelQuery::tName:
178 res = m_service_name_sort.find(query.m_string) != std::string::npos;
180 case eDVBChannelQuery::tProvider:
181 res = m_provider_name.find(query.m_string) != std::string::npos;
183 case eDVBChannelQuery::tType:
184 res = ref.getServiceType() == query.m_int;
186 case eDVBChannelQuery::tBouquet:
189 case eDVBChannelQuery::tSatellitePosition:
190 res = (ref.getDVBNamespace().get() >> 16) == query.m_int;
192 case eDVBChannelQuery::tChannelID:
195 ref.getChannelID(chid);
196 res = chid == query.m_channelid;
199 case eDVBChannelQuery::tAND:
200 res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
202 case eDVBChannelQuery::tOR:
203 res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
213 int eDVBService::getCachePID(cacheID id)
215 std::map<int, int>::iterator it = m_cache.find(id);
216 if ( it != m_cache.end() )
221 void eDVBService::setCachePID(cacheID id, int pid)
231 /* THIS CODE IS BAD. it should be replaced by somethine better. */
232 void eDVBDB::reloadServicelist()
234 eDebug("---- opening lame channel db");
235 FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "rt");
239 if ( !stat("lamedb", &s) )
241 rename("lamedb", CONFIGDIR"/enigma2/lamedb" );
247 if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
249 eDebug("not a servicefile");
253 eDebug("reading services");
254 if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
256 eDebug("services invalid, no transponders");
261 // clear all transponders
265 if (!fgets(line, 256, f))
267 if (!strcmp(line, "end\n"))
269 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
270 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
271 if (original_network_id == -1)
273 eDVBChannelID channelid = eDVBChannelID(
274 eDVBNamespace(dvb_namespace),
275 eTransportStreamID(transport_stream_id),
276 eOriginalNetworkID(original_network_id));
278 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
282 if (!strcmp(line, "/\n"))
286 eDVBFrontendParametersSatellite sat;
287 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
288 sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion);
289 sat.frequency = frequency;
290 sat.symbol_rate = symbol_rate;
291 sat.polarisation = polarisation;
293 sat.orbital_position =
294 orbital_position < 0 ? orbital_position + 3600 : orbital_position;
295 sat.inversion = inversion;
296 feparm->setDVBS(sat);
297 } else if (line[1]=='t')
299 eDVBFrontendParametersTerrestrial ter;
300 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
301 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);
302 ter.frequency = frequency;
303 ter.bandwidth = bandwidth;
304 ter.code_rate_HP = code_rate_HP;
305 ter.code_rate_LP = code_rate_LP;
306 ter.modulation = modulation;
307 ter.transmission_mode = transmission_mode;
308 ter.guard_interval = guard_interval;
309 ter.hierarchy = hierarchy;
310 ter.inversion = inversion;
312 feparm->setDVBT(ter);
313 } else if (line[1]=='c')
315 int frequency, symbol_rate, inversion=0, modulation=3;
316 sscanf(line+2, "%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation);
317 // t.setCable(frequency, symbol_rate, inversion, modulation);
320 addChannelToList(channelid, feparm);
323 if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
325 eDebug("services invalid, no services");
329 // clear all services
335 if (!fgets(line, 256, f))
337 if (!strcmp(line, "end\n"))
340 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
341 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
342 if (service_number == -1)
344 ePtr<eDVBService> s = new eDVBService;
345 eServiceReferenceDVB ref =
346 eServiceReferenceDVB(
347 eDVBNamespace(dvb_namespace),
348 eTransportStreamID(transport_stream_id),
349 eOriginalNetworkID(original_network_id),
350 eServiceID(service_id),
355 line[strlen(line)-1]=0;
357 s->m_service_name = line;
362 line[strlen(line)-1]=0;
363 std::string str=line;
365 if (str[1]!=':') // old ... (only service_provider)
367 s->m_provider_name=line;
369 while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
371 unsigned int c=str.find(',');
374 if (c == std::string::npos)
380 v=str.substr(2, c-2);
383 // eDebug("%c ... %s", p, v.c_str());
385 s->m_provider_name=v;
388 sscanf(v.c_str(), "%x", &s->m_flags);
392 sscanf(v.c_str(), "%02d%04x", &cid, &val);
397 sscanf(v.c_str(), "%04x", &val);
404 eDebug("loaded %d services", count);
409 void eDVBDB::saveServicelist()
411 eDebug("---- saving lame channel db");
412 FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "w");
413 int channels=0, services=0;
415 eFatal("couldn't save lame channel db!");
416 fprintf(f, "eDVB services /3/\n");
417 fprintf(f, "transponders\n");
418 for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
419 i != m_channels.end(); ++i)
421 const eDVBChannelID &chid = i->first;
422 const channel &ch = i->second;
424 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
425 chid.transport_stream_id.get(), chid.original_network_id.get());
426 eDVBFrontendParametersSatellite sat;
427 eDVBFrontendParametersTerrestrial ter;
428 if (!ch.m_frontendParameters->getDVBS(sat))
430 fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
431 sat.frequency, sat.symbol_rate,
432 sat.polarisation, sat.fec,
433 sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
436 if (!ch.m_frontendParameters->getDVBT(ter))
438 fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
439 ter.frequency, ter.bandwidth, ter.code_rate_HP,
440 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
441 ter.guard_interval, ter.hierarchy, ter.inversion);
446 fprintf(f, "end\nservices\n");
448 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
449 i != m_services.end(); ++i)
451 const eServiceReferenceDVB &s = i->first;
452 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
453 s.getServiceID().get(), s.getDVBNamespace().get(),
454 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
458 fprintf(f, "%s\n", i->second->m_service_name.c_str());
459 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
462 for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
463 ca != i->second->m_cache.end(); ++ca)
464 fprintf(f, ",c:%02d%04x", ca->first, ca->second);
466 // write cached ca pids
467 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
468 ca != i->second->m_ca.end(); ++ca)
469 fprintf(f, ",C:%04x", *ca);
474 fprintf(f, "end\nHave a lot of bugs!\n");
475 eDebug("saved %d channels and %d services!", channels, services);
479 void eDVBDB::loadBouquet(const char *path)
481 std::string bouquet_name = path;
482 if (!bouquet_name.length())
484 eDebug("Bouquet load failed.. no path given..");
487 unsigned int pos = bouquet_name.rfind('/');
488 if ( pos != std::string::npos )
489 bouquet_name.erase(0, pos+1);
490 if (bouquet_name.empty())
492 eDebug("Bouquet load failed.. no filename given..");
495 eBouquet &bouquet = m_bouquets[bouquet_name];
496 bouquet.m_filename = bouquet_name;
497 std::list<eServiceReference> &list = bouquet.m_services;
500 std::string p = CONFIGDIR"/enigma2/";
502 eDebug("loading bouquet... %s", p.c_str());
503 FILE *fp=fopen(p.c_str(), "rt");
508 if ( !stat(path, &s) )
510 rename(path, p.c_str() );
514 eDebug("failed to open.");
515 if ( strstr(path, "bouquets.tv") )
517 eDebug("recreate bouquets.tv");
518 bouquet.m_bouquet_name="Bouquets (TV)";
519 bouquet.flushChanges();
521 else if ( strstr(path, "bouquets.radio") )
523 eDebug("recreate bouquets.radio");
524 bouquet.m_bouquet_name="Bouquets (Radio)";
525 bouquet.flushChanges();
530 bool read_descr=false;
531 eServiceReference *e = NULL;
534 if (!fgets(line, 256, fp))
536 line[strlen(line)-1]=0;
537 if (strlen(line) && line[strlen(line)-1]=='\r')
538 line[strlen(line)-1]=0;
543 if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
545 int offs = line[8] == ':' ? 10 : 9;
546 eServiceReference tmp(line+offs);
547 if (tmp.type != eServiceReference::idDVB)
549 eDebug("only DVB Bouquets supported");
552 if ( (tmp.flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
554 unsigned int pos = tmp.path.rfind('/');
555 if ( pos != std::string::npos )
556 tmp.path.erase(0, pos+1);
557 if (tmp.path.empty())
559 eDebug("Bouquet load failed.. no filename given..");
562 loadBouquet(tmp.path.c_str());
564 snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], tmp.path.c_str());
572 else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
577 else if (!strncmp(line, "#NAME ", 6))
578 bouquet.m_bouquet_name=line+6;
583 eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
586 void eDVBDB::reloadBouquets()
589 loadBouquet("bouquets.tv");
590 loadBouquet("bouquets.radio");
591 // create default bouquets when missing
592 if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
594 eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
595 b.m_filename = "userbouquet.favourites.tv";
596 b.m_bouquet_name = "Favourites (TV)";
598 eServiceReference ref;
599 memset(ref.data, 0, sizeof(ref.data));
603 ref.path="(type == 1) FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
604 eBouquet &parent = m_bouquets["bouquets.tv"];
605 parent.m_services.push_back(ref);
606 parent.flushChanges();
608 if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
610 eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
611 b.m_filename = "userbouquet.favourites.radio";
612 b.m_bouquet_name = "Favourites (Radio)";
614 eServiceReference ref;
615 memset(ref.data, 0, sizeof(ref.data));
619 ref.path="(type == 2) FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
620 eBouquet &parent = m_bouquets["bouquets.radio"];
621 parent.m_services.push_back(ref);
622 parent.flushChanges();
626 eDVBDB *eDVBDB::instance;
639 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
643 ch.m_frontendParameters = feparm;
644 m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
648 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
650 m_channels.erase(id);
654 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
656 std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
657 if (i == m_channels.end())
662 parm = i->second.m_frontendParameters;
666 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
668 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
672 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
674 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
675 i = m_services.find(reference);
676 if (i == m_services.end())
685 RESULT eDVBDB::flush()
691 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
693 std::string str = ref.path;
696 eDebug("getBouquet failed.. no path given!");
699 unsigned int pos = str.find("FROM BOUQUET \"");
700 if ( pos != std::string::npos )
702 str.erase(0, pos+14);
704 if ( pos != std::string::npos )
711 eDebug("getBouquet failed.. couldn't parse bouquet name");
714 std::map<std::string, eBouquet>::iterator i =
715 m_bouquets.find(str);
716 if (i == m_bouquets.end())
721 bouquet = &i->second;
725 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
727 if ( source.path.find("FROM") != std::string::npos )
729 if ( source.path.find("BOUQUET") != std::string::npos )
730 query = new eDVBDBBouquetQuery(this, source, q);
731 else if ( source.path.find("SATELLITES") != std::string::npos )
732 query = new eDVBDBSatellitesQuery(this, source, q);
733 else if ( source.path.find("PROVIDERS") != std::string::npos )
734 query = new eDVBDBProvidersQuery(this, source, q);
736 eFatal("invalid query %s", source.toString().c_str());
739 query = new eDVBDBQuery(this, source, q);
743 DEFINE_REF(eDVBDBQueryBase);
745 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
746 :m_db(db), m_query(query), m_source(source)
750 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
752 ePtr<eDVBService> a_service, b_service;
754 int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
756 if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
758 if (m_db->getService(a, a_service))
760 if (m_db->getService(b, b_service))
766 case eDVBChannelQuery::tName:
767 return a_service->m_service_name_sort < b_service->m_service_name_sort;
768 case eDVBChannelQuery::tProvider:
769 return a_service->m_provider_name < b_service->m_provider_name;
770 case eDVBChannelQuery::tType:
771 return a.getServiceType() < b.getServiceType();
772 case eDVBChannelQuery::tBouquet:
774 case eDVBChannelQuery::tSatellitePosition:
775 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
782 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
783 :eDVBDBQueryBase(db, source, query)
785 m_cursor = m_db->m_services.begin();
788 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
790 while (m_cursor != m_db->m_services.end())
792 ref = m_cursor->first;
794 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
802 ref.type = eServiceReference::idInvalid;
807 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
808 :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
812 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
814 eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
815 std::list<eServiceReference> &list = bouquet.m_services;
816 while (m_cursor != list.end())
818 ref = *((eServiceReferenceDVB*)&(*m_cursor));
820 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
821 m_db->m_services.find(ref);
823 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
831 ref.type = eServiceReference::idInvalid;
836 eDVBDBListQuery::eDVBDBListQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
837 :eDVBDBQueryBase(db, source, query), m_cursor(m_list.end())
841 RESULT eDVBDBListQuery::getNextResult(eServiceReferenceDVB &ref)
843 if (m_cursor != m_list.end())
848 ref.type = eServiceReference::idInvalid;
852 int eDVBDBListQuery::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
854 if ( m_query->m_sort == eDVBChannelQuery::tSatellitePosition )
856 int x = (a.getDVBNamespace().get() >> 16);
857 int y = (b.getDVBNamespace().get() >> 16);
864 return a.name < b.name;
867 eDVBDBSatellitesQuery::eDVBDBSatellitesQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
868 :eDVBDBListQuery(db, source, query)
870 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
871 it != m_db->m_services.end(); ++it)
873 int res = it->second->checkFilter(it->first, *query);
876 unsigned int dvbnamespace = it->first.getDVBNamespace().get()&0xFFFF0000;
878 for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
879 if ( (i->getDVBNamespace().get()&0xFFFF0000) == dvbnamespace )
886 eServiceReferenceDVB ref;
887 ref.setDVBNamespace(dvbnamespace);
888 ref.flags=eServiceReference::flagDirectory;
890 snprintf(buf, 64, "(satellitePosition == %d) && ", dvbnamespace>>16);
892 ref.path=buf+source.path;
893 unsigned int pos=ref.path.find("FROM");
895 ref.path+="ORDER BY name";
896 // eDebug("ref.path now %s", ref.path.c_str());
897 m_list.push_back(ref);
899 ref.path=buf+source.path;
900 pos=ref.path.find("FROM");
901 ref.path.erase(pos+5);
902 ref.path+="PROVIDERS ORDER BY name";
903 // eDebug("ref.path now %s", ref.path.c_str());
904 m_list.push_back(ref);
908 m_cursor=m_list.begin();
911 eDVBDBProvidersQuery::eDVBDBProvidersQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
912 :eDVBDBListQuery(db, source, query)
914 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
915 it != m_db->m_services.end(); ++it)
917 int res = it->second->checkFilter(it->first, *query);
922 const char *provider_name = it->second->m_provider_name.length() ?
923 it->second->m_provider_name.c_str() :
926 for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
927 if (i->name == provider_name)
934 eServiceReferenceDVB ref;
936 ref.name=provider_name;
937 snprintf(buf, 64, "(provider == \"%s\") && ", provider_name);
938 ref.path=buf+source.path;
939 unsigned int pos = ref.path.find("FROM");
940 ref.flags=eServiceReference::flagDirectory;
942 ref.path+="ORDER BY name";
943 // eDebug("ref.path now %s", ref.path.c_str());
944 m_list.push_back(ref);
948 m_cursor=m_list.begin();
951 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
953 static int decodeType(const std::string &type)
956 return eDVBChannelQuery::tName;
957 else if (type == "provider")
958 return eDVBChannelQuery::tProvider;
959 else if (type == "type")
960 return eDVBChannelQuery::tType;
961 else if (type == "bouquet")
962 return eDVBChannelQuery::tBouquet;
963 else if (type == "satellitePosition")
964 return eDVBChannelQuery::tSatellitePosition;
965 else if (type == "channelID")
966 return eDVBChannelQuery::tChannelID;
971 /* never, NEVER write a parser in C++! */
972 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
974 std::list<std::string>::const_iterator end_of_exp;
978 while (end_of_exp != end)
979 if (*end_of_exp == ")")
984 if (end_of_exp == end)
986 eDebug("expression parse: end of expression while searching for closing brace");
992 int r = parseExpression(res, begin, end_of_exp);
997 /* we had only one sub expression */
998 if (end_of_exp == end)
1000 // eDebug("only one sub expression");
1004 /* otherwise we have an operator here.. */
1006 ePtr<eDVBChannelQuery> r2 = res;
1007 res = new eDVBChannelQuery();
1013 if (*end_of_exp == "||")
1014 res->m_type = eDVBChannelQuery::tOR;
1015 else if (*end_of_exp == "&&")
1016 res->m_type = eDVBChannelQuery::tAND;
1019 eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
1026 return parseExpression(res->m_p2, end_of_exp, end);
1029 // "begin" <op> "end"
1030 std::string type, op, val;
1032 res = new eDVBChannelQuery();
1036 while (begin != end)
1050 eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
1059 eDebug("malformed query: missing stuff");
1064 res->m_type = decodeType(type);
1066 if (res->m_type == -1)
1068 eDebug("malformed query: invalid type %s", type.c_str());
1075 else if (op == "!=")
1079 eDebug("invalid operator %s", op.c_str());
1084 res->m_string = val;
1085 res->m_int = atoi(val.c_str());
1086 // res->m_channelid = eDVBChannelID(val);
1091 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
1093 std::list<std::string> tokens;
1095 std::string current_token;
1096 std::string bouquet_name;
1098 // eDebug("splitting %s....", query.c_str());
1100 const char *splitchars="()";
1101 int quotemode = 0, lastsplit = 0, lastalnum = 0;
1102 while (i <= query.size())
1104 int c = (i < query.size()) ? query[i] : ' ';
1107 int issplit = !!strchr(splitchars, c);
1108 int isaln = isalnum(c);
1109 int iswhite = c == ' ';
1110 int isquot = c == '\"';
1114 iswhite = issplit = 0;
1118 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
1120 if (current_token.size())
1121 tokens.push_back(current_token);
1122 current_token.clear();
1125 if (!(iswhite || isquot))
1129 quotemode = !quotemode;
1130 lastsplit = issplit;
1134 // for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
1136 // printf("%s\n", a->c_str());
1139 int sort = eDVBChannelQuery::tName;
1140 /* check for "ORDER BY ..." */
1142 std::list<std::string>::iterator it = tokens.begin();
1143 while (it != tokens.end())
1148 if (it != tokens.end() && *it == "BY")
1151 sort = decodeType(*it);
1156 else if (*it == "FROM")
1159 if (it != tokens.end() && *it == "BOUQUET")
1165 else if (it != tokens.end() && *it == "SATELLITES")
1167 else if (it != tokens.end() && *it == "PROVIDERS")
1171 eDebug("FROM unknown %s", (*it).c_str());
1181 eWarning("ORDER BY .. string invalid.");
1186 // eDebug("sort by %d", sort);
1188 /* now we recursivly parse that. */
1189 int r = parseExpression(res, tokens.begin(), tokens.end());
1194 res->m_bouquet_name = bouquet_name;
1197 // eDebug("return: %d", r);
1201 DEFINE_REF(eDVBChannelQuery);