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(m_path.c_str(), "wt");
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_path.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)
228 /* THIS CODE IS BAD. it should be replaced by somethine better. */
231 eDebug("---- opening lame channel db");
232 FILE *f=fopen("lamedb", "rt");
236 if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
238 eDebug("not a servicefile");
242 eDebug("reading services");
243 if ((!fgets(line, 256, f)) || strcmp(line, "transponders\n"))
245 eDebug("services invalid, no transponders");
250 // clear all transponders
254 if (!fgets(line, 256, f))
256 if (!strcmp(line, "end\n"))
258 int dvb_namespace=-1, transport_stream_id=-1, original_network_id=-1;
259 sscanf(line, "%x:%x:%x", &dvb_namespace, &transport_stream_id, &original_network_id);
260 if (original_network_id == -1)
262 eDVBChannelID channelid = eDVBChannelID(
263 eDVBNamespace(dvb_namespace),
264 eTransportStreamID(transport_stream_id),
265 eOriginalNetworkID(original_network_id));
267 ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
271 if (!strcmp(line, "/\n"))
275 eDVBFrontendParametersSatellite sat;
276 int frequency, symbol_rate, polarisation, fec, orbital_position, inversion;
277 sscanf(line+2, "%d:%d:%d:%d:%d:%d", &frequency, &symbol_rate, &polarisation, &fec, &orbital_position, &inversion);
278 sat.frequency = frequency;
279 sat.symbol_rate = symbol_rate;
280 sat.polarisation = polarisation;
282 sat.orbital_position = orbital_position;
283 sat.inversion = inversion;
284 feparm->setDVBS(sat);
285 } else if (line[1]=='t')
287 eDVBFrontendParametersTerrestrial ter;
288 int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
289 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);
290 ter.frequency = frequency;
291 ter.bandwidth = bandwidth;
292 ter.code_rate_HP = code_rate_HP;
293 ter.code_rate_LP = code_rate_LP;
294 ter.modulation = modulation;
295 ter.transmission_mode = transmission_mode;
296 ter.guard_interval = guard_interval;
297 ter.hierarchy = hierarchy;
298 ter.inversion = inversion;
300 feparm->setDVBT(ter);
301 } else if (line[1]=='c')
303 int frequency, symbol_rate, inversion=0, modulation=3;
304 sscanf(line+2, "%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation);
305 // t.setCable(frequency, symbol_rate, inversion, modulation);
308 addChannelToList(channelid, feparm);
311 if ((!fgets(line, 256, f)) || strcmp(line, "services\n"))
313 eDebug("services invalid, no services");
317 // clear all services
323 if (!fgets(line, 256, f))
325 if (!strcmp(line, "end\n"))
328 int service_id=-1, dvb_namespace, transport_stream_id=-1, original_network_id=-1, service_type=-1, service_number=-1;
329 sscanf(line, "%x:%x:%x:%x:%d:%d", &service_id, &dvb_namespace, &transport_stream_id, &original_network_id, &service_type, &service_number);
330 if (service_number == -1)
332 ePtr<eDVBService> s = new eDVBService;
333 eServiceReferenceDVB ref =
334 eServiceReferenceDVB(
335 eDVBNamespace(dvb_namespace),
336 eTransportStreamID(transport_stream_id),
337 eOriginalNetworkID(original_network_id),
338 eServiceID(service_id),
343 line[strlen(line)-1]=0;
345 s->m_service_name = line;
350 line[strlen(line)-1]=0;
352 std::string str=line;
354 if (str[1]!=':') // old ... (only service_provider)
356 s->m_provider_name=line;
358 while ((!str.empty()) && str[1]==':') // new: p:, f:, c:%02d...
360 unsigned int c=str.find(',');
363 if (c == std::string::npos)
369 v=str.substr(2, c-2);
372 // eDebug("%c ... %s", p, v.c_str());
374 s->m_provider_name=v;
377 sscanf(v.c_str(), "%x", &s->m_flags);
381 sscanf(v.c_str(), "%02d%04x", &cid, &val);
386 sscanf(v.c_str(), "%04x", &val);
393 eDebug("loaded %d services", count);
400 eDebug("---- saving lame channel db");
401 FILE *f=fopen("lamedb", "wt");
402 int channels=0, services=0;
404 eFatal("couldn't save lame channel db!");
405 fprintf(f, "eDVB services /3/\n");
406 fprintf(f, "transponders\n");
407 for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
408 i != m_channels.end(); ++i)
410 const eDVBChannelID &chid = i->first;
411 const channel &ch = i->second;
413 fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
414 chid.transport_stream_id.get(), chid.original_network_id.get());
415 eDVBFrontendParametersSatellite sat;
416 eDVBFrontendParametersTerrestrial ter;
417 if (!ch.m_frontendParameters->getDVBS(sat))
419 fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
420 sat.frequency, sat.symbol_rate,
421 sat.polarisation, sat.fec, sat.orbital_position,
424 if (!ch.m_frontendParameters->getDVBT(ter))
426 fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
427 ter.frequency, ter.bandwidth, ter.code_rate_HP,
428 ter.code_rate_LP, ter.modulation, ter.transmission_mode,
429 ter.guard_interval, ter.hierarchy, ter.inversion);
434 fprintf(f, "end\nservices\n");
436 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
437 i != m_services.end(); ++i)
439 const eServiceReferenceDVB &s = i->first;
440 fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
441 s.getServiceID().get(), s.getDVBNamespace().get(),
442 s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
446 fprintf(f, "%s\n", i->second->m_service_name.c_str());
447 fprintf(f, "p:%s", i->second->m_provider_name.c_str());
450 for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
451 ca != i->second->m_cache.end(); ++ca)
452 fprintf(f, ",c:%02d%04x", ca->first, ca->second);
454 // write cached ca pids
455 for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
456 ca != i->second->m_ca.end(); ++ca)
457 fprintf(f, ",C:%04x", *ca);
462 fprintf(f, "end\nHave a lot of bugs!\n");
463 eDebug("saved %d channels and %d services!", channels, services);
467 void eDVBDB::loadBouquet(const char *path)
469 std::string bouquet_name = path;
470 if (!bouquet_name.length())
472 eDebug("Bouquet load failed.. no path given..");
475 unsigned int pos = bouquet_name.rfind('/');
476 if ( pos != std::string::npos )
477 bouquet_name.erase(0, pos+1);
478 if (bouquet_name.empty())
480 eDebug("Bouquet load failed.. no filename given..");
483 eBouquet &bouquet = m_bouquets[bouquet_name];
484 bouquet.m_path = path;
485 std::list<eServiceReference> &list = bouquet.m_services;
488 eDebug("loading bouquet... %s", path);
489 FILE *fp=fopen(path, "rt");
493 eDebug("failed to open.");
494 if ( strstr(path, "bouquets.tv") )
496 eDebug("recreate bouquets.tv");
497 bouquet.m_bouquet_name="Bouquets (TV)";
498 bouquet.flushChanges();
500 else if ( strstr(path, "bouquets.radio") )
502 eDebug("recreate bouquets.radio");
503 bouquet.m_bouquet_name="Bouquets (Radio)";
504 bouquet.flushChanges();
509 bool read_descr=false;
510 eServiceReference *e = NULL;
513 if (!fgets(line, 256, fp))
515 line[strlen(line)-1]=0;
516 if (strlen(line) && line[strlen(line)-1]=='\r')
517 line[strlen(line)-1]=0;
522 if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
524 int offs = line[8] == ':' ? 10 : 9;
525 eServiceReference tmp(line+offs);
526 if (tmp.type != eServiceReference::idDVB)
528 eDebug("only DVB Bouquets supported");
531 if ( (tmp.flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
533 std::string str = tmp.path;
534 unsigned int pos = str.rfind('/');
535 if ( pos != std::string::npos )
539 eDebug("Bouquet load failed.. no filename given..");
542 loadBouquet(tmp.path.c_str());
544 snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], str.c_str());
552 else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
557 else if (!strncmp(line, "#NAME ", 6))
558 bouquet.m_bouquet_name=line+6;
563 eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
566 void eDVBDB::loadBouquets()
568 loadBouquet("bouquets.tv");
569 loadBouquet("bouquets.radio");
570 // create default bouquets when missing
571 if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
573 eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
574 b.m_path = "userbouquet.favourites.tv";
575 b.m_bouquet_name = "Favourites (TV)";
577 eServiceReference ref;
578 memset(ref.data, 0, sizeof(ref.data));
582 ref.path="(type == 1) FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
583 eBouquet &parent = m_bouquets["bouquets.tv"];
584 parent.m_services.push_back(ref);
585 parent.flushChanges();
587 if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
589 eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
590 b.m_path = "userbouquet.favourites.radio";
591 b.m_bouquet_name = "Favourites (Radio)";
593 eServiceReference ref;
594 memset(ref.data, 0, sizeof(ref.data));
598 ref.path="(type == 2) FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
599 eBouquet &parent = m_bouquets["bouquets.radio"];
600 parent.m_services.push_back(ref);
601 parent.flushChanges();
616 RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
620 ch.m_frontendParameters = feparm;
621 m_channels.insert(std::pair<eDVBChannelID, channel>(id, ch));
625 RESULT eDVBDB::removeChannel(const eDVBChannelID &id)
627 m_channels.erase(id);
631 RESULT eDVBDB::getChannelFrontendData(const eDVBChannelID &id, ePtr<iDVBFrontendParameters> &parm)
633 std::map<eDVBChannelID, channel>::iterator i = m_channels.find(id);
634 if (i == m_channels.end())
639 parm = i->second.m_frontendParameters;
643 RESULT eDVBDB::addService(const eServiceReferenceDVB &serviceref, eDVBService *service)
645 m_services.insert(std::pair<eServiceReferenceDVB, ePtr<eDVBService> >(serviceref, service));
649 RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBService> &service)
651 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i;
652 i = m_services.find(reference);
653 if (i == m_services.end())
662 RESULT eDVBDB::flush()
668 RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
670 std::string str = ref.path;
673 eDebug("getBouquet failed.. no path given!");
676 unsigned int pos = str.find("FROM BOUQUET \"");
677 if ( pos != std::string::npos )
679 str.erase(0, pos+14);
681 if ( pos != std::string::npos )
688 eDebug("getBouquet failed.. couldn't parse bouquet name");
691 std::map<std::string, eBouquet>::iterator i =
692 m_bouquets.find(str);
693 if (i == m_bouquets.end())
698 bouquet = &i->second;
702 RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
704 if ( source.path.find("FROM") != std::string::npos )
706 if ( source.path.find("BOUQUET") != std::string::npos )
707 query = new eDVBDBBouquetQuery(this, source, q);
708 else if ( source.path.find("SATELLITES") != std::string::npos )
709 query = new eDVBDBSatellitesQuery(this, source, q);
710 else if ( source.path.find("PROVIDERS") != std::string::npos )
711 query = new eDVBDBProvidersQuery(this, source, q);
713 eFatal("invalid query %s", source.toString().c_str());
716 query = new eDVBDBQuery(this, source, q);
720 DEFINE_REF(eDVBDBQueryBase);
722 eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
723 :m_db(db), m_query(query), m_source(source)
727 int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
729 ePtr<eDVBService> a_service, b_service;
731 int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
733 if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
735 if (m_db->getService(a, a_service))
737 if (m_db->getService(b, b_service))
743 case eDVBChannelQuery::tName:
744 return a_service->m_service_name_sort < b_service->m_service_name_sort;
745 case eDVBChannelQuery::tProvider:
746 return a_service->m_provider_name < b_service->m_provider_name;
747 case eDVBChannelQuery::tType:
748 return a.getServiceType() < b.getServiceType();
749 case eDVBChannelQuery::tBouquet:
751 case eDVBChannelQuery::tSatellitePosition:
752 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
759 eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
760 :eDVBDBQueryBase(db, source, query)
762 m_cursor = m_db->m_services.begin();
765 RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
767 while (m_cursor != m_db->m_services.end())
769 ref = m_cursor->first;
771 int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
779 ref.type = eServiceReference::idInvalid;
784 eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
785 :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
789 RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
791 eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
792 std::list<eServiceReference> &list = bouquet.m_services;
793 while (m_cursor != list.end())
795 ref = *((eServiceReferenceDVB*)&(*m_cursor));
797 std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
798 m_db->m_services.find(ref);
800 int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
808 ref.type = eServiceReference::idInvalid;
813 eDVBDBListQuery::eDVBDBListQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
814 :eDVBDBQueryBase(db, source, query), m_cursor(m_list.end())
818 RESULT eDVBDBListQuery::getNextResult(eServiceReferenceDVB &ref)
820 if (m_cursor != m_list.end())
825 ref.type = eServiceReference::idInvalid;
829 int eDVBDBListQuery::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
831 if ( m_query->m_sort == eDVBChannelQuery::tSatellitePosition )
832 return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
833 return a.name < b.name;
836 eDVBDBSatellitesQuery::eDVBDBSatellitesQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
837 :eDVBDBListQuery(db, source, query)
839 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
840 it != m_db->m_services.end(); ++it)
842 int res = it->second->checkFilter(it->first, *query);
845 unsigned int dvbnamespace = it->first.getDVBNamespace().get()&0xFFFF0000;
847 for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
848 if ( (i->getDVBNamespace().get()&0xFFFF0000) == dvbnamespace )
855 eServiceReferenceDVB ref;
856 ref.setDVBNamespace(dvbnamespace);
857 ref.flags=eServiceReference::flagDirectory;
859 snprintf(buf, 64, "(satellitePosition == %d) && ", dvbnamespace>>16);
861 ref.path=buf+source.path;
862 unsigned int pos=ref.path.find("FROM");
864 ref.path+="ORDER BY name";
865 // eDebug("ref.path now %s", ref.path.c_str());
866 m_list.push_back(ref);
868 ref.path=buf+source.path;
869 pos=ref.path.find("FROM");
870 ref.path.erase(pos+5);
871 ref.path+="PROVIDERS ORDER BY name";
872 // eDebug("ref.path now %s", ref.path.c_str());
873 m_list.push_back(ref);
877 m_cursor=m_list.begin();
880 eDVBDBProvidersQuery::eDVBDBProvidersQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
881 :eDVBDBListQuery(db, source, query)
883 for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
884 it != m_db->m_services.end(); ++it)
886 int res = it->second->checkFilter(it->first, *query);
891 const char *provider_name = it->second->m_provider_name.length() ?
892 it->second->m_provider_name.c_str() :
895 for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
896 if (i->name == provider_name)
903 eServiceReferenceDVB ref;
905 ref.name=provider_name;
906 snprintf(buf, 64, "(provider == \"%s\") && ", provider_name);
907 ref.path=buf+source.path;
908 unsigned int pos = ref.path.find("FROM");
909 ref.flags=eServiceReference::flagDirectory;
911 ref.path+="ORDER BY name";
912 // eDebug("ref.path now %s", ref.path.c_str());
913 m_list.push_back(ref);
917 m_cursor=m_list.begin();
920 /* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
922 static int decodeType(const std::string &type)
925 return eDVBChannelQuery::tName;
926 else if (type == "provider")
927 return eDVBChannelQuery::tProvider;
928 else if (type == "type")
929 return eDVBChannelQuery::tType;
930 else if (type == "bouquet")
931 return eDVBChannelQuery::tBouquet;
932 else if (type == "satellitePosition")
933 return eDVBChannelQuery::tSatellitePosition;
934 else if (type == "channelID")
935 return eDVBChannelQuery::tChannelID;
940 /* never, NEVER write a parser in C++! */
941 RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
943 std::list<std::string>::const_iterator end_of_exp;
947 while (end_of_exp != end)
948 if (*end_of_exp == ")")
953 if (end_of_exp == end)
955 eDebug("expression parse: end of expression while searching for closing brace");
961 int r = parseExpression(res, begin, end_of_exp);
966 /* we had only one sub expression */
967 if (end_of_exp == end)
969 // eDebug("only one sub expression");
973 /* otherwise we have an operator here.. */
975 ePtr<eDVBChannelQuery> r2 = res;
976 res = new eDVBChannelQuery();
982 if (*end_of_exp == "||")
983 res->m_type = eDVBChannelQuery::tOR;
984 else if (*end_of_exp == "&&")
985 res->m_type = eDVBChannelQuery::tAND;
988 eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
995 return parseExpression(res->m_p2, end_of_exp, end);
998 // "begin" <op> "end"
999 std::string type, op, val;
1001 res = new eDVBChannelQuery();
1005 while (begin != end)
1019 eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
1028 eDebug("malformed query: missing stuff");
1033 res->m_type = decodeType(type);
1035 if (res->m_type == -1)
1037 eDebug("malformed query: invalid type %s", type.c_str());
1044 else if (op == "!=")
1048 eDebug("invalid operator %s", op.c_str());
1053 res->m_string = val;
1054 res->m_int = atoi(val.c_str());
1055 // res->m_channelid = eDVBChannelID(val);
1060 RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
1062 std::list<std::string> tokens;
1064 std::string current_token;
1065 std::string bouquet_name;
1067 // eDebug("splitting %s....", query.c_str());
1069 const char *splitchars="()";
1070 int quotemode = 0, lastsplit = 0, lastalnum = 0;
1071 while (i <= query.size())
1073 int c = (i < query.size()) ? query[i] : ' ';
1076 int issplit = !!strchr(splitchars, c);
1077 int isaln = isalnum(c);
1078 int iswhite = c == ' ';
1079 int isquot = c == '\"';
1083 iswhite = issplit = 0;
1087 if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
1089 if (current_token.size())
1090 tokens.push_back(current_token);
1091 current_token.clear();
1094 if (!(iswhite || isquot))
1098 quotemode = !quotemode;
1099 lastsplit = issplit;
1103 // for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
1105 // printf("%s\n", a->c_str());
1108 int sort = eDVBChannelQuery::tName;
1109 /* check for "ORDER BY ..." */
1111 std::list<std::string>::iterator it = tokens.begin();
1112 while (it != tokens.end())
1117 if (it != tokens.end() && *it == "BY")
1120 sort = decodeType(*it);
1125 else if (*it == "FROM")
1128 if (it != tokens.end() && *it == "BOUQUET")
1134 else if (it != tokens.end() && *it == "SATELLITES")
1136 else if (it != tokens.end() && *it == "PROVIDERS")
1140 eDebug("FROM unknown %s", (*it).c_str());
1150 eWarning("ORDER BY .. string invalid.");
1155 // eDebug("sort by %d", sort);
1157 /* now we recursivly parse that. */
1158 int r = parseExpression(res, tokens.begin(), tokens.end());
1163 res->m_bouquet_name = bouquet_name;
1166 // eDebug("return: %d", r);
1170 DEFINE_REF(eDVBChannelQuery);