X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Packets%2FPacket.hh;h=d1485984cffe316497da488b3dea81abdb6ff00c;hb=92f8630b75f3ef50e73c48cde58645dcd1534e27;hp=4a25789f1ab03e5af69997261e913e8dbf4fc433;hpb=7e35699acd77562184ae1b769bf967ffe0109500;p=senf.git

diff --git a/Packets/Packet.hh b/Packets/Packet.hh
index 4a25789..d148598 100644
--- a/Packets/Packet.hh
+++ b/Packets/Packet.hh
@@ -269,7 +269,10 @@ namespace senf {
              OtherPacket. The new packet is added to the chain after
              \c this.
              \returns new packet instance sharing the same data and
-                 placed after \c this packet in the chain. */
+                 placed after \c this packet in the chain. 
+             \throws InvalidPacketChainException if no next
+                 packet header is allowed (viz. nextPacketRange() of the the current
+                 PacketType returns no_range() ) */
         Packet      parseNextAs(factory_t factory) const;
         ///< Interpret payload of \c this as \a factory type packet
         /**< parseNextAs() will throw away the packet chain after
@@ -278,7 +281,10 @@ namespace senf {
              factory. The new packet is added to the chain after
              \c this.
              \returns new packet instance sharing the same data and
-                 placed after \c this packet in the chain. */
+                 placed after \c this packet in the chain.
+             \throws InvalidPacketChainException if no next
+                 packet header is allowed (viz. nextPacketRange() of the the current
+                 PacketType returns no_range() ) */
 
         template <class OtherPacket> bool        is() const;
         ///< Check, whether \c this packet is of the given type
@@ -732,6 +738,15 @@ namespace senf {
         friend class PacketInterpreter<PacketType>;
     };
 
+    /** \brief Generic parser copying
+
+        This operator allows to copy the value of identical parsers. This operation does \e not
+        depend on the parsers detailed implementation, it will just replace the data bytes of the
+        target parser with those from the source packet.
+     */
+    template <class PacketType, class Parser>
+    Parser operator<<(Parser target, ConcretePacket<PacketType> const & packet);
+
     ///@}
 
 }