- added iStaticServiceInformation

[enigma2.git] / lib / dvb / db.cpp

diff --git a/lib/dvb/db.cpp b/lib/dvb/db.cpp
index 810aba046735b48e4f6d9f05f70316d4da492685..fe4bcc76fa3230950e4ad387cca5490291176b9c 100644 (file)
--- a/lib/dvb/db.cpp
+++ b/lib/dvb/db.cpp
@@ -27,6 +27,52 @@ eDVBService &eDVBService::operator=(const eDVBService &s)
        return *this;
 }
 
+RESULT eDVBService::getName(const eServiceReference &ref, std::string &name)
+{
+       name = m_service_name;
+}
+
+int eDVBService::checkFilter(const eServiceReferenceDVB &ref, const eDVBChannelQuery &query)
+{
+       int res = 0;
+       switch (query.m_type)
+       {
+       case eDVBChannelQuery::tName:
+               res = m_service_name.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;
+}
+
 DEFINE_REF(eDVBDB);
 
 eDVBDB::eDVBDB()
@@ -282,3 +328,42 @@ RESULT eDVBDB::getService(const eServiceReferenceDVB &reference, ePtr<eDVBServic
        return 0;
 }
 
+RESULT eDVBDB::startQuery(ePtr<iDVBChannelListQuery> &query, eDVBChannelQuery *q)
+{
+       query = new eDVBDBQuery(this, q);
+       return 0;
+}
+
+DEFINE_REF(eDVBDBQuery);
+
+eDVBDBQuery::eDVBDBQuery(eDVBDB *db, eDVBChannelQuery *query): m_db(db), m_query(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;
+       }
+       return 1;
+}
+
+RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
+{
+       res = new eDVBChannelQuery();
+       res->m_type = eDVBChannelQuery::tName;
+       res->m_inverse = 0;
+       res->m_string = query;
+       return 0;
+}
+
+DEFINE_REF(eDVBChannelQuery);