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 RESULT eBouquet::setListName(const std::string &name)
112 m_bouquet_name = name;
116 eDVBService::eDVBService()
120 eDVBService::~eDVBService()
124 eDVBService &eDVBService::operator=(const eDVBService &s)
126 m_service_name = s.m_service_name;
127 m_service_name_sort = s.m_service_name_sort;
128 m_provider_name = s.m_provider_name;
135 void eDVBService::genSortName()
137 m_service_name_sort = removeDVBChars(m_service_name);
138 makeUpper(m_service_name_sort);
139 while ((!m_service_name_sort.empty()) && m_service_name_sort[0] == ' ')
140 m_service_name_sort.erase(0, 1);
142 /* put unnamed services at the end, not at the beginning. */
143 if (m_service_name_sort.empty())
144 m_service_name_sort = "\xFF";
147 RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
149 if (!ref.name.empty())
150 name = ref.name; // use renamed service name..
151 else if (!m_service_name.empty())
152 name = m_service_name;
158 RESULT eDVBService::getEvent(const eServiceReference &ref, ePtr<eServiceEvent> &ptr, time_t start_time)
160 return eEPGCache::getInstance()->lookupEventTime(ref, start_time, ptr);
163 bool eDVBService::isPlayable(const eServiceReference &ref, const eServiceReference &ignore)
165 ePtr<eDVBResourceManager> res_mgr;
166 if ( eDVBResourceManager::getInstance( res_mgr ) )
167 eDebug("isPlayble... no res manager!!");
170 eDVBChannelID chid, chid_ignore;
171 ((const eServiceReferenceDVB&)ref).getChannelID(chid);
172 ((const eServiceReferenceDVB&)ignore).getChannelID(chid_ignore);
173 return res_mgr->canAllocateChannel(chid, chid_ignore);
178 int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
181 switch (query.m_type)
183 case eDVBChannelQuery::tName:
184 res = m_service_name_sort.find(query.m_string) != std::string::npos;
186 case eDVBChannelQuery::tProvider:
187 res = m_provider_name.find(query.m_string) != std::string::npos;
189 case eDVBChannelQuery::tType:
190 res = ref.getServiceType() == query.m_int;
192 case eDVBChannelQuery::tBouquet:
195 case eDVBChannelQuery::tSatellitePosition:
196 res = (ref.getDVBNamespace().get() >> 16) == query.m_int;
198 case eDVBChannelQuery::tChannelID:
201 ref.getChannelID(chid);
202 res = chid == query.m_channelid;
205 case eDVBChannelQuery::tAND:
206 res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
208 case eDVBChannelQuery::tOR:
209 res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
219 int eDVBService::getCachePID(cacheID id)
221 std::map<int, int>::iterator it = m_cache.find(id);
222 if ( it != m_cache.end() )
227 void eDVBService::setCachePID(cacheID id, int pid)
237 /* THIS CODE IS BAD. it should be replaced by somethine better. */
238 void eDVBDB::reloadServicelist()
240 eDebug("---- opening lame channel db");
241 FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "rt");
245 if ( !stat("lamedb", &s) )
247 rename("lamedb", CONFIGDIR"/enigma2/lamedb" );
253 if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
255 eDebug("not a servicefile");
259 eDebug("reading services");
260 if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
262 eDebug("services invalid, no transponders");
267 // clear all transponders
271 if (!fgets(line, 256, f))
273 if (!strcmp(line, "end\n"))
275 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
276 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
277 if (original_network_id == -1)
279 eDVBChannelID channelid = eDVBChannelID(
280 eDVBNamespace(dvb_namespace),
281 eTransportStreamID(transport_stream_id),
282 eOriginalNetworkID(original_network_id));
284 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
288 if (!strcmp(line, "/\n"))
292 eDVBFrontendParametersSatellite sat;
293 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
294 sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion);
295 sat.frequency = frequency;
296 sat.symbol_rate = symbol_rate;
297 sat.polarisation = polarisation;
299 sat.orbital_position =
300 orbital_position < 0 ? orbital_position + 3600 : orbital_position;
301 sat.inversion = inversion;
302 feparm->setDVBS(sat);
303 } else if (line[1]=='t')
305 eDVBFrontendParametersTerrestrial ter;
306 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
307 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);
308 ter.frequency = frequency;
309 ter.bandwidth = bandwidth;
310 ter.code_rate_HP = code_rate_HP;
311 ter.code_rate_LP = code_rate_LP;
312 ter.modulation = modulation;
313 ter.transmission_mode = transmission_mode;
314 ter.guard_interval = guard_interval;
315 ter.hierarchy = hierarchy;
316 ter.inversion = inversion;
318 feparm->setDVBT(ter);
319 } else if (line[1]=='c')
321 eDVBFrontendParametersCable cab;
322 int frequency, symbol_rate, inversion=0, modulation=3;
323 sscanf(line+2, "%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation);
324 cab.frequency = frequency;
325 cab.symbol_rate = symbol_rate;
326 cab.modulation = modulation;
328 cab.inversion = inversion;
329 feparm->setDVBC(cab);
332 addChannelToList(channelid, feparm);
335 if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
337 eDebug("services invalid, no services");
341 // clear all services
347 if (!fgets(line, 256, f))
349 if (!strcmp(line, "end\n"))
352 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
353 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
354 if (service_number == -1)
356 ePtr<eDVBService> s = new eDVBService;
357 eServiceReferenceDVB ref =
358 eServiceReferenceDVB(
359 eDVBNamespace(dvb_namespace),
360 eTransportStreamID(transport_stream_id),
361 eOriginalNetworkID(original_network_id),
362 eServiceID(service_id),
367 line[strlen(line)-1]=0;
369 s->m_service_name = line;
374 line[strlen(line)-1]=0;
375 std::string str=line;
377 if (str[1]!=':') // old ... (only service_provider)
379 s->m_provider_name=line;
381 while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
383 unsigned int c=str.find(',');
386 if (c == std::string::npos)
392 v=str.substr(2, c-2);
395 // eDebug("%c ... %s", p, v.c_str());
397 s->m_provider_name=v;
400 sscanf(v.c_str(), "%x", &s->m_flags);
404 sscanf(v.c_str(), "%02d%04x", &cid, &val);
409 sscanf(v.c_str(), "%04x", &val);
416 eDebug("loaded %d services", count);
421 void eDVBDB::saveServicelist()
423 eDebug("---- saving lame channel db");
424 FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "w");
425 int channels=0, services=0;
427 eFatal("couldn't save lame channel db!");
428 fprintf(f, "eDVB services /3/\n");
429 fprintf(f, "transponders\n");
430 for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
431 i != m_channels.end(); ++i)
433 const eDVBChannelID &chid = i->first;
434 const channel &ch = i->second;
436 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
437 chid.transport_stream_id.get(), chid.original_network_id.get());
438 eDVBFrontendParametersSatellite sat;
439 eDVBFrontendParametersTerrestrial ter;
440 eDVBFrontendParametersCable cab;
441 if (!ch.m_frontendParameters->getDVBS(sat))
443 fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
444 sat.frequency, sat.symbol_rate,
445 sat.polarisation, sat.fec,
446 sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
449 if (!ch.m_frontendParameters->getDVBT(ter))
451 fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
452 ter.frequency, ter.bandwidth, ter.code_rate_HP,
453 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
454 ter.guard_interval, ter.hierarchy, ter.inversion);
456 if (!ch.m_frontendParameters->getDVBC(cab))
458 fprintf(f, "\tc %d:%d:%d:%d\n",
459 cab.frequency, cab.symbol_rate, cab.inversion, cab.modulation);
464 fprintf(f, "end\nservices\n");
466 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
467 i != m_services.end(); ++i)
469 const eServiceReferenceDVB &s = i->first;
470 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
471 s.getServiceID().get(), s.getDVBNamespace().get(),
472 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
476 fprintf(f, "%s\n", i->second->m_service_name.c_str());
477 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
480 for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
481 ca != i->second->m_cache.end(); ++ca)
482 fprintf(f, ",c:%02d%04x", ca->first, ca->second);
484 // write cached ca pids
485 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
486 ca != i->second->m_ca.end(); ++ca)
487 fprintf(f, ",C:%04x", *ca);
492 fprintf(f, "end\nHave a lot of bugs!\n");
493 eDebug("saved %d channels and %d services!", channels, services);
497 void eDVBDB::loadBouquet(const char *path)
499 std::string bouquet_name = path;
500 if (!bouquet_name.length())
502 eDebug("Bouquet load failed.. no path given..");
505 unsigned int pos = bouquet_name.rfind('/');
506 if ( pos != std::string::npos )
507 bouquet_name.erase(0, pos+1);
508 if (bouquet_name.empty())
510 eDebug("Bouquet load failed.. no filename given..");
513 eBouquet &bouquet = m_bouquets[bouquet_name];
514 bouquet.m_filename = bouquet_name;
515 std::list<eServiceReference> &list = bouquet.m_services;
518 std::string p = CONFIGDIR"/enigma2/";
520 eDebug("loading bouquet... %s", p.c_str());
521 FILE *fp=fopen(p.c_str(), "rt");
526 if ( !stat(path, &s) )
528 rename(path, p.c_str() );
532 eDebug("failed to open.");
533 if ( strstr(path, "bouquets.tv") )
535 eDebug("recreate bouquets.tv");
536 bouquet.m_bouquet_name="Bouquets (TV)";
537 bouquet.flushChanges();
539 else if ( strstr(path, "bouquets.radio") )
541 eDebug("recreate bouquets.radio");
542 bouquet.m_bouquet_name="Bouquets (Radio)";
543 bouquet.flushChanges();
548 bool read_descr=false;
549 eServiceReference *e = NULL;
552 if (!fgets(line, 256, fp))
554 line[strlen(line)-1]=0;
555 if (strlen(line) && line[strlen(line)-1]=='\r')
556 line[strlen(line)-1]=0;
561 if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
563 int offs = line[8] == ':' ? 10 : 9;
564 eServiceReference tmp(line+offs);
565 if (tmp.type != eServiceReference::idDVB)
567 eDebug("only DVB Bouquets supported");
570 if ( (tmp.flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
572 unsigned int pos = tmp.path.rfind('/');
573 if ( pos != std::string::npos )
574 tmp.path.erase(0, pos+1);
575 if (tmp.path.empty())
577 eDebug("Bouquet load failed.. no filename given..");
580 loadBouquet(tmp.path.c_str());
582 snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], tmp.path.c_str());
590 else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
595 else if (!strncmp(line, "#NAME ", 6))
596 bouquet.m_bouquet_name=line+6;
601 eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
604 void eDVBDB::reloadBouquets()
607 loadBouquet("bouquets.tv");
608 loadBouquet("bouquets.radio");
609 // create default bouquets when missing
610 if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
612 eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
613 b.m_filename = "userbouquet.favourites.tv";
614 b.m_bouquet_name = "Favourites (TV)";
616 eServiceReference ref;
617 memset(ref.data, 0, sizeof(ref.data));
621 ref.path="(type == 1) FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
622 eBouquet &parent = m_bouquets["bouquets.tv"];
623 parent.m_services.push_back(ref);
624 parent.flushChanges();
626 if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
628 eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
629 b.m_filename = "userbouquet.favourites.radio";
630 b.m_bouquet_name = "Favourites (Radio)";
632 eServiceReference ref;
633 memset(ref.data, 0, sizeof(ref.data));
637 ref.path="(type == 2) FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
638 eBouquet &parent = m_bouquets["bouquets.radio"];
639 parent.m_services.push_back(ref);
640 parent.flushChanges();
644 eDVBDB *eDVBDB::instance;
657 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
661 ch.m_frontendParameters = feparm;
662 m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
666 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
668 m_channels.erase(id);
672 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
674 std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
675 if (i == m_channels.end())
680 parm = i->second.m_frontendParameters;
684 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
686 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
690 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
692 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
693 i = m_services.find(reference);
694 if (i == m_services.end())
703 RESULT eDVBDB::flush()
709 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
711 std::string str = ref.path;
714 eDebug("getBouquet failed.. no path given!");
717 unsigned int pos = str.find("FROM BOUQUET \"");
718 if ( pos != std::string::npos )
720 str.erase(0, pos+14);
722 if ( pos != std::string::npos )
729 eDebug("getBouquet failed.. couldn't parse bouquet name");
732 std::map<std::string, eBouquet>::iterator i =
733 m_bouquets.find(str);
734 if (i == m_bouquets.end())
739 bouquet = &i->second;
743 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
745 if ( source.path.find("FROM") != std::string::npos )
747 if ( source.path.find("BOUQUET") != std::string::npos )
748 query = new eDVBDBBouquetQuery(this, source, q);
749 else if ( source.path.find("SATELLITES") != std::string::npos )
750 query = new eDVBDBSatellitesQuery(this, source, q);
751 else if ( source.path.find("PROVIDERS") != std::string::npos )
752 query = new eDVBDBProvidersQuery(this, source, q);
754 eFatal("invalid query %s", source.toString().c_str());
757 query = new eDVBDBQuery(this, source, q);
761 DEFINE_REF(eDVBDBQueryBase);
763 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
764 :m_db(db), m_query(query), m_source(source)
768 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
770 ePtr<eDVBService> a_service, b_service;
772 int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
774 if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
776 if (m_db->getService(a, a_service))
778 if (m_db->getService(b, b_service))
784 case eDVBChannelQuery::tName:
785 return a_service->m_service_name_sort < b_service->m_service_name_sort;
786 case eDVBChannelQuery::tProvider:
787 return a_service->m_provider_name < b_service->m_provider_name;
788 case eDVBChannelQuery::tType:
789 return a.getServiceType() < b.getServiceType();
790 case eDVBChannelQuery::tBouquet:
792 case eDVBChannelQuery::tSatellitePosition:
793 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
800 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
801 :eDVBDBQueryBase(db, source, query)
803 m_cursor = m_db->m_services.begin();
806 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
808 while (m_cursor != m_db->m_services.end())
810 ref = m_cursor->first;
812 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
820 ref.type = eServiceReference::idInvalid;
825 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
826 :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
830 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
832 eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
833 std::list<eServiceReference> &list = bouquet.m_services;
834 while (m_cursor != list.end())
836 ref = *((eServiceReferenceDVB*)&(*m_cursor));
838 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
839 m_db->m_services.find(ref);
841 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
849 ref.type = eServiceReference::idInvalid;
854 eDVBDBListQuery::eDVBDBListQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
855 :eDVBDBQueryBase(db, source, query), m_cursor(m_list.end())
859 RESULT eDVBDBListQuery::getNextResult(eServiceReferenceDVB &ref)
861 if (m_cursor != m_list.end())
866 ref.type = eServiceReference::idInvalid;
870 int eDVBDBListQuery::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
872 if ( m_query->m_sort == eDVBChannelQuery::tSatellitePosition )
874 int x = (a.getDVBNamespace().get() >> 16);
875 int y = (b.getDVBNamespace().get() >> 16);
882 return a.name < b.name;
885 eDVBDBSatellitesQuery::eDVBDBSatellitesQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
886 :eDVBDBListQuery(db, source, query)
888 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
889 it != m_db->m_services.end(); ++it)
891 int res = it->second->checkFilter(it->first, *query);
894 unsigned int dvbnamespace = it->first.getDVBNamespace().get()&0xFFFF0000;
896 for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
897 if ( (i->getDVBNamespace().get()&0xFFFF0000) == dvbnamespace )
904 eServiceReferenceDVB ref;
905 ref.setDVBNamespace(dvbnamespace);
906 ref.flags=eServiceReference::flagDirectory;
908 snprintf(buf, 64, "(satellitePosition == %d) && ", dvbnamespace>>16);
910 ref.path=buf+source.path;
911 unsigned int pos=ref.path.find("FROM");
913 ref.path+="ORDER BY name";
914 // eDebug("ref.path now %s", ref.path.c_str());
915 m_list.push_back(ref);
917 ref.path=buf+source.path;
918 pos=ref.path.find("FROM");
919 ref.path.erase(pos+5);
920 ref.path+="PROVIDERS ORDER BY name";
921 // eDebug("ref.path now %s", ref.path.c_str());
922 m_list.push_back(ref);
926 m_cursor=m_list.begin();
929 eDVBDBProvidersQuery::eDVBDBProvidersQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
930 :eDVBDBListQuery(db, source, query)
932 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
933 it != m_db->m_services.end(); ++it)
935 int res = it->second->checkFilter(it->first, *query);
940 const char *provider_name = it->second->m_provider_name.length() ?
941 it->second->m_provider_name.c_str() :
944 for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
945 if (i->name == provider_name)
952 eServiceReferenceDVB ref;
954 ref.name=provider_name;
955 snprintf(buf, 64, "(provider == \"%s\") && ", provider_name);
956 ref.path=buf+source.path;
957 unsigned int pos = ref.path.find("FROM");
958 ref.flags=eServiceReference::flagDirectory;
960 ref.path+="ORDER BY name";
961 // eDebug("ref.path now %s", ref.path.c_str());
962 m_list.push_back(ref);
966 m_cursor=m_list.begin();
969 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
971 static int decodeType(const std::string &type)
974 return eDVBChannelQuery::tName;
975 else if (type == "provider")
976 return eDVBChannelQuery::tProvider;
977 else if (type == "type")
978 return eDVBChannelQuery::tType;
979 else if (type == "bouquet")
980 return eDVBChannelQuery::tBouquet;
981 else if (type == "satellitePosition")
982 return eDVBChannelQuery::tSatellitePosition;
983 else if (type == "channelID")
984 return eDVBChannelQuery::tChannelID;
989 /* never, NEVER write a parser in C++! */
990 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
992 std::list<std::string>::const_iterator end_of_exp;
996 while (end_of_exp != end)
997 if (*end_of_exp == ")")
1002 if (end_of_exp == end)
1004 eDebug("expression parse: end of expression while searching for closing brace");
1009 // begin..end_of_exp
1010 int r = parseExpression(res, begin, end_of_exp);
1015 /* we had only one sub expression */
1016 if (end_of_exp == end)
1018 // eDebug("only one sub expression");
1022 /* otherwise we have an operator here.. */
1024 ePtr<eDVBChannelQuery> r2 = res;
1025 res = new eDVBChannelQuery();
1031 if (*end_of_exp == "||")
1032 res->m_type = eDVBChannelQuery::tOR;
1033 else if (*end_of_exp == "&&")
1034 res->m_type = eDVBChannelQuery::tAND;
1037 eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
1044 return parseExpression(res->m_p2, end_of_exp, end);
1047 // "begin" <op> "end"
1048 std::string type, op, val;
1050 res = new eDVBChannelQuery();
1054 while (begin != end)
1068 eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
1077 eDebug("malformed query: missing stuff");
1082 res->m_type = decodeType(type);
1084 if (res->m_type == -1)
1086 eDebug("malformed query: invalid type %s", type.c_str());
1093 else if (op == "!=")
1097 eDebug("invalid operator %s", op.c_str());
1102 res->m_string = val;
1103 res->m_int = atoi(val.c_str());
1104 // res->m_channelid = eDVBChannelID(val);
1109 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
1111 std::list<std::string> tokens;
1113 std::string current_token;
1114 std::string bouquet_name;
1116 // eDebug("splitting %s....", query.c_str());
1118 const char *splitchars="()";
1119 int quotemode = 0, lastsplit = 0, lastalnum = 0;
1120 while (i <= query.size())
1122 int c = (i < query.size()) ? query[i] : ' ';
1125 int issplit = !!strchr(splitchars, c);
1126 int isaln = isalnum(c);
1127 int iswhite = c == ' ';
1128 int isquot = c == '\"';
1132 iswhite = issplit = 0;
1136 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
1138 if (current_token.size())
1139 tokens.push_back(current_token);
1140 current_token.clear();
1143 if (!(iswhite || isquot))
1147 quotemode = !quotemode;
1148 lastsplit = issplit;
1152 // for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
1154 // printf("%s\n", a->c_str());
1157 int sort = eDVBChannelQuery::tName;
1158 /* check for "ORDER BY ..." */
1160 std::list<std::string>::iterator it = tokens.begin();
1161 while (it != tokens.end())
1166 if (it != tokens.end() && *it == "BY")
1169 sort = decodeType(*it);
1174 else if (*it == "FROM")
1177 if (it != tokens.end() && *it == "BOUQUET")
1183 else if (it != tokens.end() && *it == "SATELLITES")
1185 else if (it != tokens.end() && *it == "PROVIDERS")
1189 eDebug("FROM unknown %s", (*it).c_str());
1199 eWarning("ORDER BY .. string invalid.");
1204 // eDebug("sort by %d", sort);
1206 /* now we recursivly parse that. */
1207 int r = parseExpression(res, tokens.begin(), tokens.end());
1212 res->m_bouquet_name = bouquet_name;
1215 // eDebug("return: %d", r);
1219 DEFINE_REF(eDVBChannelQuery);