#include <errno.h>
#include <lib/dvb/db.h>
+#include <lib/dvb/dvb.h>
#include <lib/dvb/frontend.h>
+#include <lib/dvb/epgcache.h>
#include <lib/base/eerror.h>
-#include <lib/dvb_si/sdt.h>
-#include <lib/dvb_si/descriptor_tag.h>
-#include <lib/dvb_si/service_descriptor.h>
-#include <lib/dvb_si/satellite_delivery_system_descriptor.h>
+#include <lib/base/estring.h>
+#include <dvbsi++/service_description_section.h>
+#include <dvbsi++/descriptor_tag.h>
+#include <dvbsi++/service_descriptor.h>
+#include <dvbsi++/satellite_delivery_system_descriptor.h>
DEFINE_REF(eDVBService);
+RESULT eBouquet::addService(const eServiceReference &ref)
+{
+ list::iterator it =
+ std::find(m_services.begin(), m_services.end(), ref);
+ if ( it != m_services.end() )
+ return -1;
+ m_services.push_back(ref);
+ return 0;
+}
+
+RESULT eBouquet::removeService(const eServiceReference &ref)
+{
+ list::iterator it =
+ std::find(m_services.begin(), m_services.end(), ref);
+ if ( it == m_services.end() )
+ return -1;
+ m_services.erase(it);
+ return 0;
+}
+
+RESULT eBouquet::moveService(const eServiceReference &ref, unsigned int pos)
+{
+ if ( pos < 0 || pos >= m_services.size() )
+ return -1;
+ ++pos;
+ list::iterator source=m_services.end();
+ list::iterator dest=m_services.end();
+ bool forward = false;
+ for (list::iterator it(m_services.begin()); it != m_services.end(); ++it)
+ {
+ if (dest == m_services.end() && !--pos)
+ dest = it;
+ if (*it == ref)
+ {
+ source = it;
+ forward = pos>0;
+ }
+ if (dest != m_services.end() && source != m_services.end())
+ break;
+ }
+ if (dest == m_services.end() || source == m_services.end() || source == dest)
+ return -1;
+ while (source != dest)
+ {
+ if (forward)
+ std::iter_swap(source++, source);
+ else
+ std::iter_swap(source--, source);
+ }
+ return 0;
+}
+
+RESULT eBouquet::flushChanges()
+{
+ FILE *f=fopen((CONFIGDIR"/enigma2/"+m_filename).c_str(), "w");
+ if (!f)
+ return -1;
+ if ( fprintf(f, "#NAME %s\r\n", m_bouquet_name.c_str()) < 0 )
+ goto err;
+ for (list::iterator i(m_services.begin()); i != m_services.end(); ++i)
+ {
+ eServiceReference tmp = *i;
+ std::string str = tmp.path;
+ if ( (i->flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
+ {
+ unsigned int p1 = str.find("FROM BOUQUET \"");
+ if (p1 == std::string::npos)
+ {
+ eDebug("doof... kaputt");
+ continue;
+ }
+ str.erase(0, p1+14);
+ p1 = str.find("\"");
+ if (p1 == std::string::npos)
+ {
+ eDebug("doof2... kaputt");
+ continue;
+ }
+ str.erase(p1);
+ tmp.path=str;
+ }
+ if ( fprintf(f, "#SERVICE %s\r\n", tmp.toString().c_str()) < 0 )
+ goto err;
+ if ( i->name.length() )
+ if ( fprintf(f, "#DESCRIPTION %s\r\n", i->name.c_str()) < 0 )
+ goto err;
+ }
+ fclose(f);
+ return 0;
+err:
+ fclose(f);
+ eDebug("couldn't write file %s", m_filename.c_str());
+ return -1;
+}
+
+RESULT eBouquet::setListName(const std::string &name)
+{
+ m_bouquet_name = name;
+ return 0;
+}
+
eDVBService::eDVBService()
{
}
{
}
+eDVBService &eDVBService::operator=(const eDVBService &s)
+{
+ m_service_name = s.m_service_name;
+ m_service_name_sort = s.m_service_name_sort;
+ m_provider_name = s.m_provider_name;
+ m_flags = s.m_flags;
+ m_ca = s.m_ca;
+ m_cache = s.m_cache;
+ return *this;
+}
+
+void eDVBService::genSortName()
+{
+ m_service_name_sort = removeDVBChars(m_service_name);
+ makeUpper(m_service_name_sort);
+ while ((!m_service_name_sort.empty()) && m_service_name_sort[0] == ' ')
+ m_service_name_sort.erase(0, 1);
+
+ /* put unnamed services at the end, not at the beginning. */
+ if (m_service_name_sort.empty())
+ m_service_name_sort = "\xFF";
+}
+
+RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
+{
+ if (!ref.name.empty())
+ name = ref.name; // use renamed service name..
+ else if (!m_service_name.empty())
+ name = m_service_name;
+ else
+ name = "(...)";
+ return 0;
+}
+
+RESULT eDVBService::getEvent(const eServiceReference &ref, ePtr<eServiceEvent> &ptr, time_t start_time)
+{
+ return eEPGCache::getInstance()->lookupEventTime(ref, start_time, ptr);
+}
+
+bool eDVBService::isPlayable(const eServiceReference &ref, const eServiceReference &ignore)
+{
+ ePtr<eDVBResourceManager> res_mgr;
+ if ( eDVBResourceManager::getInstance( res_mgr ) )
+ eDebug("isPlayble... no res manager!!");
+ else
+ {
+ eDVBChannelID chid, chid_ignore;
+ ((const eServiceReferenceDVB&)ref).getChannelID(chid);
+ ((const eServiceReferenceDVB&)ignore).getChannelID(chid_ignore);
+ return res_mgr->canAllocateChannel(chid, chid_ignore);
+ }
+ return false;
+}
+
+int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
+{
+ int res = 0;
+ switch (query.m_type)
+ {
+ case eDVBChannelQuery::tName:
+ res = m_service_name_sort.find(query.m_string) != std::string::npos;
+ break;
+ case eDVBChannelQuery::tProvider:
+ res = m_provider_name.find(query.m_string) != std::string::npos;
+ break;
+ case eDVBChannelQuery::tType:
+ res = ref.getServiceType() == query.m_int;
+ break;
+ case eDVBChannelQuery::tBouquet:
+ res = 0;
+ break;
+ case eDVBChannelQuery::tSatellitePosition:
+ res = (ref.getDVBNamespace().get() >> 16) == query.m_int;
+ break;
+ case eDVBChannelQuery::tChannelID:
+ {
+ eDVBChannelID chid;
+ ref.getChannelID(chid);
+ res = chid == query.m_channelid;
+ break;
+ }
+ case eDVBChannelQuery::tAND:
+ res = checkFilter(ref, *query.m_p1) && checkFilter(ref, *query.m_p2);
+ break;
+ case eDVBChannelQuery::tOR:
+ res = checkFilter(ref, *query.m_p1) || checkFilter(ref, *query.m_p2);
+ break;
+ }
+
+ if (query.m_inverse)
+ return !res;
+ else
+ return res;
+}
+
+int eDVBService::getCachePID(cacheID id)
+{
+ std::map<int, int>::iterator it = m_cache.find(id);
+ if ( it != m_cache.end() )
+ return it->second;
+ return -1;
+}
+
+void eDVBService::setCachePID(cacheID id, int pid)
+{
+ if (pid == -1)
+ m_cache.erase(id);
+ else
+ m_cache[id] = pid;
+}
+
DEFINE_REF(eDVBDB);
-eDVBDB::eDVBDB()
+ /* THIS CODE IS BAD. it should be replaced by somethine better. */
+void eDVBDB::reloadServicelist()
{
eDebug("---- opening lame channel db");
- FILE *f=fopen("lamedb", "rt");
+ FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "rt");
if (!f)
+ {
+ struct stat s;
+ if ( !stat("lamedb", &s) )
+ {
+ rename("lamedb", CONFIGDIR"/enigma2/lamedb" );
+ reloadServicelist();
+ }
return;
+ }
char line[256];
if ((!fgets(line, 256, f)) || strncmp(line, "eDVB services", 13))
{
fclose(f);
return;
}
-
+
// clear all transponders
while (!feof(f))
if (original_network_id == -1)
continue;
eDVBChannelID channelid = eDVBChannelID(
- eDVBNamespace(dvb_namespace),
- eTransportStreamID(transport_stream_id),
+ eDVBNamespace(dvb_namespace),
+ eTransportStreamID(transport_stream_id),
eOriginalNetworkID(original_network_id));
-
+
ePtr<eDVBFrontendParameters> feparm = new eDVBFrontendParameters;
while (!feof(f))
{
sat.symbol_rate = symbol_rate;
sat.polarisation = polarisation;
sat.fec = fec;
- sat.orbital_position = orbital_position;
+ sat.orbital_position =
+ orbital_position < 0 ? orbital_position + 3600 : orbital_position;
sat.inversion = inversion;
- // ...
-// t.setSatellite(frequency, symbol_rate, polarisation, fec, sat, inversion);
feparm->setDVBS(sat);
- }
- if (line[1]=='c')
+ } else if (line[1]=='t')
+ {
+ eDVBFrontendParametersTerrestrial ter;
+ int frequency, bandwidth, code_rate_HP, code_rate_LP, modulation, transmission_mode, guard_interval, hierarchy, inversion;
+ 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);
+ ter.frequency = frequency;
+ ter.bandwidth = bandwidth;
+ ter.code_rate_HP = code_rate_HP;
+ ter.code_rate_LP = code_rate_LP;
+ ter.modulation = modulation;
+ ter.transmission_mode = transmission_mode;
+ ter.guard_interval = guard_interval;
+ ter.hierarchy = hierarchy;
+ ter.inversion = inversion;
+ feparm->setDVBT(ter);
+ } else if (line[1]=='c')
{
- int frequency, symbol_rate, inversion=0, modulation=3;
- sscanf(line+2, "%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation);
-// t.setCable(frequency, symbol_rate, inversion, modulation);
+ eDVBFrontendParametersCable cab;
+ int frequency, symbol_rate,
+ inversion=eDVBFrontendParametersCable::Inversion::Unknown,
+ modulation=eDVBFrontendParametersCable::Modulation::Auto,
+ fec_inner=eDVBFrontendParametersCable::FEC::fAuto;
+ sscanf(line+2, "%d:%d:%d:%d:%d", &frequency, &symbol_rate, &inversion, &modulation, &fec_inner);
+ cab.frequency = frequency;
+ cab.fec_inner = fec_inner;
+ cab.inversion = inversion;
+ cab.symbol_rate = symbol_rate;
+ cab.modulation = modulation;
+ feparm->setDVBC(cab);
}
}
addChannelToList(channelid, feparm);
eDebug("services invalid, no services");
return;
}
-
+
// clear all services
-
+
int count=0;
while (!feof(f))
if (service_number == -1)
continue;
ePtr<eDVBService> s = new eDVBService;
- eServiceReferenceDVB ref =
+ eServiceReferenceDVB ref =
eServiceReferenceDVB(
eDVBNamespace(dvb_namespace),
eTransportStreamID(transport_stream_id),
fgets(line, 256, f);
if (strlen(line))
line[strlen(line)-1]=0;
- s->m_service_name=line;
+
+ s->m_service_name = line;
+ s->genSortName();
+
fgets(line, 256, f);
if (strlen(line))
line[strlen(line)-1]=0;
-
std::string str=line;
if (str[1]!=':') // old ... (only service_provider)
}
eDebug("loaded %d services", count);
-
+
fclose(f);
-
}
-eDVBDB::~eDVBDB()
+void eDVBDB::saveServicelist()
{
eDebug("---- saving lame channel db");
- FILE *f=fopen("lamedb", "wt");
+ FILE *f=fopen(CONFIGDIR"/enigma2/lamedb", "w");
int channels=0, services=0;
if (!f)
- eFatal("couldn't save lame channel db!");
+ eFatal("couldn't save lame channel db!");
fprintf(f, "eDVB services /3/\n");
fprintf(f, "transponders\n");
for (std::map<eDVBChannelID, channel>::const_iterator i(m_channels.begin());
{
const eDVBChannelID &chid = i->first;
const channel &ch = i->second;
-
+
fprintf(f, "%08x:%04x:%04x\n", chid.dvbnamespace.get(),
chid.transport_stream_id.get(), chid.original_network_id.get());
eDVBFrontendParametersSatellite sat;
+ eDVBFrontendParametersTerrestrial ter;
+ eDVBFrontendParametersCable cab;
if (!ch.m_frontendParameters->getDVBS(sat))
{
- fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
+ fprintf(f, "\ts %d:%d:%d:%d:%d:%d\n",
sat.frequency, sat.symbol_rate,
- sat.polarisation, sat.fec, sat.inversion,
- sat.orbital_position);
+ sat.polarisation, sat.fec,
+ sat.orbital_position > 1800 ? sat.orbital_position - 3600 : sat.orbital_position,
+ sat.inversion);
+ }
+ if (!ch.m_frontendParameters->getDVBT(ter))
+ {
+ fprintf(f, "\tt %d:%d:%d:%d:%d:%d:%d:%d:%d\n",
+ ter.frequency, ter.bandwidth, ter.code_rate_HP,
+ ter.code_rate_LP, ter.modulation, ter.transmission_mode,
+ ter.guard_interval, ter.hierarchy, ter.inversion);
+ }
+ if (!ch.m_frontendParameters->getDVBC(cab))
+ {
+ fprintf(f, "\tc %d:%d:%d:%d:%d\n",
+ cab.frequency, cab.symbol_rate, cab.inversion, cab.modulation, cab.fec_inner);
}
fprintf(f, "/\n");
channels++;
}
fprintf(f, "end\nservices\n");
-
+
for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator i(m_services.begin());
i != m_services.end(); ++i)
{
const eServiceReferenceDVB &s = i->first;
- fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
- s.getServiceID().get(), s.getDVBNamespace().get(),
- s.getOriginalNetworkID().get(), s.getTransportStreamID().get(),
+ fprintf(f, "%04x:%08x:%04x:%04x:%d:%d\n",
+ s.getServiceID().get(), s.getDVBNamespace().get(),
+ s.getTransportStreamID().get(),s.getOriginalNetworkID().get(),
s.getServiceType(),
0);
-
+
fprintf(f, "%s\n", i->second->m_service_name.c_str());
- fprintf(f, "p=%s", i->second->m_provider_name.c_str());
+ fprintf(f, "p:%s", i->second->m_provider_name.c_str());
+
+ // write cached pids
+ for (std::map<int,int>::const_iterator ca(i->second->m_cache.begin());
+ ca != i->second->m_cache.end(); ++ca)
+ fprintf(f, ",c:%02d%04x", ca->first, ca->second);
+
+ // write cached ca pids
for (std::set<int>::const_iterator ca(i->second->m_ca.begin());
ca != i->second->m_ca.end(); ++ca)
- fprintf(f, ",C=%04x", *ca);
+ fprintf(f, ",C:%04x", *ca);
+
fprintf(f, "\n");
services++;
}
fclose(f);
}
+void eDVBDB::loadBouquet(const char *path)
+{
+ std::string bouquet_name = path;
+ if (!bouquet_name.length())
+ {
+ eDebug("Bouquet load failed.. no path given..");
+ return;
+ }
+ unsigned int pos = bouquet_name.rfind('/');
+ if ( pos != std::string::npos )
+ bouquet_name.erase(0, pos+1);
+ if (bouquet_name.empty())
+ {
+ eDebug("Bouquet load failed.. no filename given..");
+ return;
+ }
+ eBouquet &bouquet = m_bouquets[bouquet_name];
+ bouquet.m_filename = bouquet_name;
+ std::list<eServiceReference> &list = bouquet.m_services;
+ list.clear();
+
+ std::string p = CONFIGDIR"/enigma2/";
+ p+=path;
+ eDebug("loading bouquet... %s", p.c_str());
+ FILE *fp=fopen(p.c_str(), "rt");
+ int entries=0;
+ if (!fp)
+ {
+ struct stat s;
+ if ( !stat(path, &s) )
+ {
+ rename(path, p.c_str() );
+ loadBouquet(path);
+ return;
+ }
+ eDebug("failed to open.");
+ if ( strstr(path, "bouquets.tv") )
+ {
+ eDebug("recreate bouquets.tv");
+ bouquet.m_bouquet_name="Bouquets (TV)";
+ bouquet.flushChanges();
+ }
+ else if ( strstr(path, "bouquets.radio") )
+ {
+ eDebug("recreate bouquets.radio");
+ bouquet.m_bouquet_name="Bouquets (Radio)";
+ bouquet.flushChanges();
+ }
+ return;
+ }
+ char line[256];
+ bool read_descr=false;
+ eServiceReference *e = NULL;
+ while (1)
+ {
+ if (!fgets(line, 256, fp))
+ break;
+ line[strlen(line)-1]=0;
+ if (strlen(line) && line[strlen(line)-1]=='\r')
+ line[strlen(line)-1]=0;
+ if (!line[0])
+ break;
+ if (line[0]=='#')
+ {
+ if (!strncmp(line, "#SERVICE ", 9) || !strncmp(line, "#SERVICE: ", 10))
+ {
+ int offs = line[8] == ':' ? 10 : 9;
+ eServiceReference tmp(line+offs);
+ if (tmp.type != eServiceReference::idDVB)
+ {
+ eDebug("only DVB Bouquets supported");
+ continue;
+ }
+ if ( (tmp.flags&eServiceReference::flagDirectory) == eServiceReference::flagDirectory )
+ {
+ unsigned int pos = tmp.path.rfind('/');
+ if ( pos != std::string::npos )
+ tmp.path.erase(0, pos+1);
+ if (tmp.path.empty())
+ {
+ eDebug("Bouquet load failed.. no filename given..");
+ continue;
+ }
+ loadBouquet(tmp.path.c_str());
+ char buf[256];
+ snprintf(buf, 256, "(type == %d) FROM BOUQUET \"%s\" ORDER BY bouquet", tmp.data[0], tmp.path.c_str());
+ tmp.path = buf;
+ }
+ list.push_back(tmp);
+ e = &list.back();
+ read_descr=true;
+ ++entries;
+ }
+ else if (read_descr && !strncmp(line, "#DESCRIPTION ", 13))
+ {
+ e->name = line+13;
+ read_descr=false;
+ }
+ else if (!strncmp(line, "#NAME ", 6))
+ bouquet.m_bouquet_name=line+6;
+ continue;
+ }
+ }
+ fclose(fp);
+ eDebug("%d entries in Bouquet %s", entries, bouquet_name.c_str());
+}
+
+void eDVBDB::reloadBouquets()
+{
+ m_bouquets.clear();
+ loadBouquet("bouquets.tv");
+ loadBouquet("bouquets.radio");
+// create default bouquets when missing
+ if ( m_bouquets.find("userbouquet.favourites.tv") == m_bouquets.end() )
+ {
+ eBouquet &b = m_bouquets["userbouquet.favourites.tv"];
+ b.m_filename = "userbouquet.favourites.tv";
+ b.m_bouquet_name = "Favourites (TV)";
+ b.flushChanges();
+ eServiceReference ref;
+ memset(ref.data, 0, sizeof(ref.data));
+ ref.type=1;
+ ref.flags=7;
+ ref.data[0]=1;
+ ref.path="(type == 1) FROM BOUQUET \"userbouquet.favourites.tv\" ORDER BY bouquet";
+ eBouquet &parent = m_bouquets["bouquets.tv"];
+ parent.m_services.push_back(ref);
+ parent.flushChanges();
+ }
+ if ( m_bouquets.find("userbouquet.favourites.radio") == m_bouquets.end() )
+ {
+ eBouquet &b = m_bouquets["userbouquet.favourites.radio"];
+ b.m_filename = "userbouquet.favourites.radio";
+ b.m_bouquet_name = "Favourites (Radio)";
+ b.flushChanges();
+ eServiceReference ref;
+ memset(ref.data, 0, sizeof(ref.data));
+ ref.type=1;
+ ref.flags=7;
+ ref.data[0]=2;
+ ref.path="(type == 2) FROM BOUQUET \"userbouquet.favourites.radio\" ORDER BY bouquet";
+ eBouquet &parent = m_bouquets["bouquets.radio"];
+ parent.m_services.push_back(ref);
+ parent.flushChanges();
+ }
+}
+
+eDVBDB *eDVBDB::instance;
+
+eDVBDB::eDVBDB()
+{
+ instance = this;
+ reloadServicelist();
+}
+
+eDVBDB::~eDVBDB()
+{
+ instance=NULL;
+}
+
RESULT eDVBDB::addChannelToList(const eDVBChannelID &id, iDVBFrontendParameters *feparm)
{
channel ch;
return 0;
}
+RESULT eDVBDB::flush()
+{
+ saveServicelist();
+ return 0;
+}
+
+RESULT eDVBDB::getBouquet(const eServiceReference &ref, eBouquet* &bouquet)
+{
+ std::string str = ref.path;
+ if (str.empty())
+ {
+ eDebug("getBouquet failed.. no path given!");
+ return -1;
+ }
+ unsigned int pos = str.find("FROM BOUQUET \"");
+ if ( pos != std::string::npos )
+ {
+ str.erase(0, pos+14);
+ pos = str.find('"');
+ if ( pos != std::string::npos )
+ str.erase(pos);
+ else
+ str.clear();
+ }
+ if (str.empty())
+ {
+ eDebug("getBouquet failed.. couldn't parse bouquet name");
+ return -1;
+ }
+ std::map<std::string, eBouquet>::iterator i =
+ m_bouquets.find(str);
+ if (i == m_bouquets.end())
+ {
+ bouquet = 0;
+ return -ENOENT;
+ }
+ bouquet = &i->second;
+ return 0;
+}
+
+RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q, const eServiceReference &source)
+{
+ if ( source.path.find("FROM") != std::string::npos )
+ {
+ if ( source.path.find("BOUQUET") != std::string::npos )
+ query = new eDVBDBBouquetQuery(this, source, q);
+ else if ( source.path.find("SATELLITES") != std::string::npos )
+ query = new eDVBDBSatellitesQuery(this, source, q);
+ else if ( source.path.find("PROVIDERS") != std::string::npos )
+ query = new eDVBDBProvidersQuery(this, source, q);
+ else
+ eFatal("invalid query %s", source.toString().c_str());
+ }
+ else
+ query = new eDVBDBQuery(this, source, q);
+ return 0;
+}
+
+DEFINE_REF(eDVBDBQueryBase);
+
+eDVBDBQueryBase::eDVBDBQueryBase(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
+ :m_db(db), m_query(query), m_source(source)
+{
+}
+
+int eDVBDBQueryBase::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
+{
+ ePtr<eDVBService> a_service, b_service;
+
+ int sortmode = m_query ? m_query->m_sort : eDVBChannelQuery::tName;
+
+ if ((sortmode == eDVBChannelQuery::tName) || (sortmode == eDVBChannelQuery::tProvider))
+ {
+ if (m_db->getService(a, a_service))
+ return 1;
+ if (m_db->getService(b, b_service))
+ return 1;
+ }
+
+ switch (sortmode)
+ {
+ case eDVBChannelQuery::tName:
+ return a_service->m_service_name_sort < b_service->m_service_name_sort;
+ case eDVBChannelQuery::tProvider:
+ return a_service->m_provider_name < b_service->m_provider_name;
+ case eDVBChannelQuery::tType:
+ return a.getServiceType() < b.getServiceType();
+ case eDVBChannelQuery::tBouquet:
+ return 0;
+ case eDVBChannelQuery::tSatellitePosition:
+ return (a.getDVBNamespace().get() >> 16) < (b.getDVBNamespace().get() >> 16);
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+eDVBDBQuery::eDVBDBQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
+ :eDVBDBQueryBase(db, source, query)
+{
+ m_cursor = m_db->m_services.begin();
+}
+
+RESULT eDVBDBQuery::getNextResult(eServiceReferenceDVB &ref)
+{
+ while (m_cursor != m_db->m_services.end())
+ {
+ ref = m_cursor->first;
+
+ int res = (!m_query) || m_cursor->second->checkFilter(ref, *m_query);
+
+ ++m_cursor;
+
+ if (res)
+ return 0;
+ }
+
+ ref.type = eServiceReference::idInvalid;
+
+ return 1;
+}
+
+eDVBDBBouquetQuery::eDVBDBBouquetQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
+ :eDVBDBQueryBase(db, source, query), m_cursor(db->m_bouquets[query->m_bouquet_name].m_services.begin())
+{
+}
+
+RESULT eDVBDBBouquetQuery::getNextResult(eServiceReferenceDVB &ref)
+{
+ eBouquet &bouquet = m_db->m_bouquets[m_query->m_bouquet_name];
+ std::list<eServiceReference> &list = bouquet.m_services;
+ while (m_cursor != list.end())
+ {
+ ref = *((eServiceReferenceDVB*)&(*m_cursor));
+
+ std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it =
+ m_db->m_services.find(ref);
+
+ int res = (!m_query) || it == m_db->m_services.end() || it->second->checkFilter(ref, *m_query);
+
+ ++m_cursor;
+
+ if (res)
+ return 0;
+ }
+
+ ref.type = eServiceReference::idInvalid;
+
+ return 1;
+}
+
+eDVBDBListQuery::eDVBDBListQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
+ :eDVBDBQueryBase(db, source, query), m_cursor(m_list.end())
+{
+}
+
+RESULT eDVBDBListQuery::getNextResult(eServiceReferenceDVB &ref)
+{
+ if (m_cursor != m_list.end())
+ {
+ ref = *m_cursor++;
+ return 0;
+ }
+ ref.type = eServiceReference::idInvalid;
+ return 1;
+}
+
+int eDVBDBListQuery::compareLessEqual(const eServiceReferenceDVB &a, const eServiceReferenceDVB &b)
+{
+ if ( m_query->m_sort == eDVBChannelQuery::tSatellitePosition )
+ {
+ int x = (a.getDVBNamespace().get() >> 16);
+ int y = (b.getDVBNamespace().get() >> 16);
+ if ( x > 1800 )
+ x -= 3600;
+ if ( y > 1800 )
+ y -= 3600;
+ return x < y;
+ }
+ return a.name < b.name;
+}
+
+eDVBDBSatellitesQuery::eDVBDBSatellitesQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
+ :eDVBDBListQuery(db, source, query)
+{
+ for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
+ it != m_db->m_services.end(); ++it)
+ {
+ int res = it->second->checkFilter(it->first, *query);
+ if (res)
+ {
+ unsigned int dvbnamespace = it->first.getDVBNamespace().get()&0xFFFF0000;
+ bool found=0;
+ for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
+ if ( (i->getDVBNamespace().get()&0xFFFF0000) == dvbnamespace )
+ {
+ found=true;
+ break;
+ }
+ if (!found)
+ {
+ eServiceReferenceDVB ref;
+ ref.setDVBNamespace(dvbnamespace);
+ ref.flags=eServiceReference::flagDirectory;
+ char buf[64];
+ snprintf(buf, 64, "(satellitePosition == %d) && ", dvbnamespace>>16);
+
+ ref.path=buf+source.path;
+ unsigned int pos=ref.path.find("FROM");
+ ref.path.erase(pos);
+ ref.path+="ORDER BY name";
+// eDebug("ref.path now %s", ref.path.c_str());
+ m_list.push_back(ref);
+
+ ref.path=buf+source.path;
+ pos=ref.path.find("FROM");
+ ref.path.erase(pos+5);
+ ref.path+="PROVIDERS ORDER BY name";
+// eDebug("ref.path now %s", ref.path.c_str());
+ m_list.push_back(ref);
+ }
+ }
+ }
+ m_cursor=m_list.begin();
+}
+
+eDVBDBProvidersQuery::eDVBDBProvidersQuery(eDVBDB *db, const eServiceReference &source, eDVBChannelQuery *query)
+ :eDVBDBListQuery(db, source, query)
+{
+ for (std::map<eServiceReferenceDVB, ePtr<eDVBService> >::iterator it(m_db->m_services.begin());
+ it != m_db->m_services.end(); ++it)
+ {
+ int res = it->second->checkFilter(it->first, *query);
+ if (res)
+ {
+ bool found=0;
+
+ const char *provider_name = it->second->m_provider_name.length() ?
+ it->second->m_provider_name.c_str() :
+ "Unknown";
+
+ for (std::list<eServiceReferenceDVB>::iterator i(m_list.begin()); i != m_list.end(); ++i)
+ if (i->name == provider_name)
+ {
+ found=true;
+ break;
+ }
+ if (!found)
+ {
+ eServiceReferenceDVB ref;
+ char buf[64];
+ ref.name=provider_name;
+ snprintf(buf, 64, "(provider == \"%s\") && ", provider_name);
+ ref.path=buf+source.path;
+ unsigned int pos = ref.path.find("FROM");
+ ref.flags=eServiceReference::flagDirectory;
+ ref.path.erase(pos);
+ ref.path+="ORDER BY name";
+// eDebug("ref.path now %s", ref.path.c_str());
+ m_list.push_back(ref);
+ }
+ }
+ }
+ m_cursor=m_list.begin();
+}
+
+/* (<name|provider|type|bouquet|satpos|chid> <==|...> <"string"|int>)[||,&& (..)] */
+
+static int decodeType(const std::string &type)
+{
+ if (type == "name")
+ return eDVBChannelQuery::tName;
+ else if (type == "provider")
+ return eDVBChannelQuery::tProvider;
+ else if (type == "type")
+ return eDVBChannelQuery::tType;
+ else if (type == "bouquet")
+ return eDVBChannelQuery::tBouquet;
+ else if (type == "satellitePosition")
+ return eDVBChannelQuery::tSatellitePosition;
+ else if (type == "channelID")
+ return eDVBChannelQuery::tChannelID;
+ else
+ return -1;
+}
+
+ /* never, NEVER write a parser in C++! */
+RESULT parseExpression(ePtr<eDVBChannelQuery> &res, std::list<std::string>::const_iterator begin, std::list<std::string>::const_iterator end)
+{
+ std::list<std::string>::const_iterator end_of_exp;
+ if (*begin == "(")
+ {
+ end_of_exp = begin;
+ while (end_of_exp != end)
+ if (*end_of_exp == ")")
+ break;
+ else
+ ++end_of_exp;
+
+ if (end_of_exp == end)
+ {
+ eDebug("expression parse: end of expression while searching for closing brace");
+ return -1;
+ }
+
+ ++begin;
+ // begin..end_of_exp
+ int r = parseExpression(res, begin, end_of_exp);
+ if (r)
+ return r;
+ ++end_of_exp;
+
+ /* we had only one sub expression */
+ if (end_of_exp == end)
+ {
+// eDebug("only one sub expression");
+ return 0;
+ }
+
+ /* otherwise we have an operator here.. */
+
+ ePtr<eDVBChannelQuery> r2 = res;
+ res = new eDVBChannelQuery();
+ res->m_sort = 0;
+ res->m_p1 = r2;
+ res->m_inverse = 0;
+ r2 = 0;
+
+ if (*end_of_exp == "||")
+ res->m_type = eDVBChannelQuery::tOR;
+ else if (*end_of_exp == "&&")
+ res->m_type = eDVBChannelQuery::tAND;
+ else
+ {
+ eDebug("found operator %s, but only && and || are allowed!", end_of_exp->c_str());
+ res = 0;
+ return 1;
+ }
+
+ ++end_of_exp;
+
+ return parseExpression(res->m_p2, end_of_exp, end);
+ }
+
+ // "begin" <op> "end"
+ std::string type, op, val;
+
+ res = new eDVBChannelQuery();
+ res->m_sort = 0;
+
+ int cnt = 0;
+ while (begin != end)
+ {
+ switch (cnt)
+ {
+ case 0:
+ type = *begin;
+ break;
+ case 1:
+ op = *begin;
+ break;
+ case 2:
+ val = *begin;
+ break;
+ case 3:
+ eDebug("malformed query: got '%s', but expected only <type> <op> <val>", begin->c_str());
+ return 1;
+ }
+ ++begin;
+ ++cnt;
+ }
+
+ if (cnt != 3)
+ {
+ eDebug("malformed query: missing stuff");
+ res = 0;
+ return 1;
+ }
+
+ res->m_type = decodeType(type);
+
+ if (res->m_type == -1)
+ {
+ eDebug("malformed query: invalid type %s", type.c_str());
+ res = 0;
+ return 1;
+ }
+
+ if (op == "==")
+ res->m_inverse = 0;
+ else if (op == "!=")
+ res->m_inverse = 1;
+ else
+ {
+ eDebug("invalid operator %s", op.c_str());
+ res = 0;
+ return 1;
+ }
+
+ res->m_string = val;
+ res->m_int = atoi(val.c_str());
+// res->m_channelid = eDVBChannelID(val);
+
+ return 0;
+}
+
+RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
+{
+ std::list<std::string> tokens;
+
+ std::string current_token;
+ std::string bouquet_name;
+
+// eDebug("splitting %s....", query.c_str());
+ unsigned int i = 0;
+ const char *splitchars="()";
+ int quotemode = 0, lastsplit = 0, lastalnum = 0;
+ while (i <= query.size())
+ {
+ int c = (i < query.size()) ? query[i] : ' ';
+ ++i;
+
+ int issplit = !!strchr(splitchars, c);
+ int isaln = isalnum(c);
+ int iswhite = c == ' ';
+ int isquot = c == '\"';
+
+ if (quotemode)
+ {
+ iswhite = issplit = 0;
+ isaln = lastalnum;
+ }
+
+ if (issplit || iswhite || isquot || lastsplit || (lastalnum != isaln))
+ {
+ if (current_token.size())
+ tokens.push_back(current_token);
+ current_token.clear();
+ }
+
+ if (!(iswhite || isquot))
+ current_token += c;
+
+ if (isquot)
+ quotemode = !quotemode;
+ lastsplit = issplit;
+ lastalnum = isaln;
+ }
+
+// for (std::list<std::string>::const_iterator a(tokens.begin()); a != tokens.end(); ++a)
+// {
+// printf("%s\n", a->c_str());
+// }
+
+ int sort = eDVBChannelQuery::tName;
+ /* check for "ORDER BY ..." */
+
+ std::list<std::string>::iterator it = tokens.begin();
+ while (it != tokens.end())
+ {
+ if (*it == "ORDER")
+ {
+ tokens.erase(it++);
+ if (it != tokens.end() && *it == "BY")
+ {
+ tokens.erase(it++);
+ sort = decodeType(*it);
+ tokens.erase(it++);
+ } else
+ sort = -1;
+ }
+ else if (*it == "FROM")
+ {
+ tokens.erase(it++);
+ if (it != tokens.end() && *it == "BOUQUET")
+ {
+ tokens.erase(it++);
+ bouquet_name = *it;
+ tokens.erase(it++);
+ }
+ else if (it != tokens.end() && *it == "SATELLITES")
+ tokens.erase(it++);
+ else if (it != tokens.end() && *it == "PROVIDERS")
+ tokens.erase(it++);
+ else
+ {
+ eDebug("FROM unknown %s", (*it).c_str());
+ tokens.erase(it++);
+ }
+ }
+ else
+ ++it;
+ }
+
+ if (sort == -1)
+ {
+ eWarning("ORDER BY .. string invalid.");
+ res = 0;
+ return -1;
+ }
+
+// eDebug("sort by %d", sort);
+
+ /* now we recursivly parse that. */
+ int r = parseExpression(res, tokens.begin(), tokens.end());
+
+ if (res)
+ {
+ res->m_sort = sort;
+ res->m_bouquet_name = bouquet_name;
+ }
+
+// eDebug("return: %d", r);
+ return r;
+}
+
+DEFINE_REF(eDVBChannelQuery);
git.cweiske.de / enigma2.git / blobdiff