X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=senf%2FPackets%2FPacket.cti;h=902681b3deea940c84a1a79972c7d86c7f8723ce;hb=78a6e233083efa63a9cd0684a92abc64202a9ee7;hp=8e56512640b03274aa5eee3ce0f435f5e828d594;hpb=26610f603ebdd465307b9621f532c1fe19fd5571;p=senf.git

diff --git a/senf/Packets/Packet.cti b/senf/Packets/Packet.cti
index 8e56512..902681b 100644
--- a/senf/Packets/Packet.cti
+++ b/senf/Packets/Packet.cti
@@ -37,7 +37,7 @@
 // conversion constructors
 
 template <class PacketType>
-prefix_ senf::Packet::Packet(ConcretePacket<PacketType> packet)
+prefix_ senf::Packet::Packet(ConcretePacket<PacketType> const & packet)
     : packet_(packet.ptr())
 {}
 
@@ -54,7 +54,7 @@ template <class OtherPacket>
 prefix_ bool senf::Packet::is()
     const
 {
-    return ptr()->is<typename OtherPacket::type>();
+    return valid() && ptr()->is<typename OtherPacket::type>();
 }
 
 template <class OtherPacket>
@@ -67,6 +67,14 @@ prefix_ OtherPacket senf::Packet::as()
 }
 
 template <class OtherPacket>
+prefix_ OtherPacket senf::Packet::as(NoThrow_t)
+    const
+{
+    SENF_ASSERT( is<OtherPacket>(), "Bad cast, called packet::as(nothrow) with wrong PacketType");
+    return OtherPacket(ptr()->as<typename OtherPacket::type>());
+}
+
+template <class OtherPacket>
 prefix_ OtherPacket senf::Packet::next()
     const
 {
@@ -78,7 +86,8 @@ prefix_ OtherPacket senf::Packet::next(NoThrow_t)
     const
 {
     Packet p (next(nothrow));
-    return p && p.is<OtherPacket>() ? p.as<OtherPacket>() : OtherPacket();
+    return p && p.is<OtherPacket>() ?
+            OtherPacket(p.ptr()->as<typename OtherPacket::type>()) : OtherPacket();
 }
 
 template <class OtherPacket>
@@ -102,7 +111,8 @@ prefix_ OtherPacket senf::Packet::prev(NoThrow_t)
     const
 {
     Packet p (prev(nothrow));
-    return p && p.is<OtherPacket>() ? p.as<OtherPacket>() : OtherPacket();
+    return p && p.is<OtherPacket>() ?
+            OtherPacket(p.ptr()->as<typename OtherPacket::type>()) : OtherPacket();
 }
 
 template <class OtherPacket>
@@ -232,7 +242,7 @@ senf::ConcretePacket<PacketType>::createAfter(Packet const & packet, size_type s
 
 template <class PacketType>
 prefix_ senf::ConcretePacket<PacketType>
-senf::ConcretePacket<PacketType>::createAfter(Packet const & packet, size_type size, 
+senf::ConcretePacket<PacketType>::createAfter(Packet const & packet, size_type size,
                                               senf::NoInit_t)
 {
     return ConcretePacket(interpreter::createAfter(packet.ptr(), size, senf::noinit));
@@ -267,6 +277,20 @@ senf::ConcretePacket<PacketType>::createBefore(Packet const & packet, senf::NoIn
     return ConcretePacket(interpreter::createBefore(packet.ptr(), senf::noinit));
 }
 
+template <class PacketType>
+prefix_ senf::ConcretePacket<PacketType>
+senf::ConcretePacket<PacketType>::createInsertBefore(Packet const & packet)
+{
+    return ConcretePacket(interpreter::createInsertBefore(packet.ptr()));
+}
+
+template <class PacketType>
+prefix_ senf::ConcretePacket<PacketType>
+senf::ConcretePacket<PacketType>::createInsertBefore(Packet const & packet, senf::NoInit_t)
+{
+    return ConcretePacket(interpreter::createInsertBefore(packet.ptr(), senf::noinit));
+}
+
 // Create a clone of the current packet
 
 template <class PacketType>
@@ -298,16 +322,15 @@ senf::ConcretePacket<PacketType>::operator->()
 // private members
 
 template <class PacketType>
-prefix_ senf::ConcretePacket<PacketType>::ConcretePacket(typename interpreter::ptr packet_)
+prefix_ senf::ConcretePacket<PacketType>::ConcretePacket(typename interpreter::ptr const & packet_)
     : Packet(packet_)
 {}
 
 template <class PacketType>
-prefix_ typename senf::ConcretePacket<PacketType>::interpreter::ptr
-senf::ConcretePacket<PacketType>::ptr()
+prefix_ typename senf::ConcretePacket<PacketType>::interpreter * senf::ConcretePacket<PacketType>::ptr()
     const
 {
-    return boost::static_pointer_cast< PacketInterpreter<PacketType> >(Packet::ptr());
+    return static_cast< PacketInterpreter<PacketType> *>( Packet::ptr().get());
 }
 
 ///////////////////////////////cti.e///////////////////////////////////////