Packets: extended description of bad_cast exception in Packet.as()

[senf.git] / senf / Packets / GenericTLV.ct

diff --git a/senf/Packets/GenericTLV.ct b/senf/Packets/GenericTLV.ct
index 44b748d..17eda3c 100644 (file)
--- a/senf/Packets/GenericTLV.ct
+++ b/senf/Packets/GenericTLV.ct
@@ -32,17 +32,17 @@
 #include <senf/Utils/Format.hh>
 
 #define prefix_
-///////////////////////////////ct.p////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
 
-///////////////////////////////////////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
 // senf::GenericTLVParserBase<Base>
 
 template <class Base>
 template <class Parser>
 prefix_ Parser senf::GenericTLVParserBase<Base>::init()
-{  
-    senf::PacketParserBase::size_type oldSize (bytes() );
-    senf::PacketParserBase::size_type newParserSize ( senf::init_bytes<Parser>::value );
+{
+    PacketParserBase::size_type oldSize (bytes() );
+    PacketParserBase::size_type newParserSize ( senf::init_bytes<Parser>::value );
     this->resize(  oldSize, newParserSize);
     std::fill(this->i(), boost::next(this->i(), newParserSize), 0u);
     Parser concreteParser = Parser(this->i(), this->state() );
@@ -52,10 +52,26 @@ prefix_ Parser senf::GenericTLVParserBase<Base>::init()
 }
 
 template <class Base>
-prefix_  senf::PacketInterpreterBase::range senf::GenericTLVParserBase<Base>::value() 
-    const 
+prefix_  void senf::GenericTLVParserBase<Base>::dump(std::ostream & os)
+    const
+{
+    if (Base::Registry::instance().isRegistered( *this)) {
+        Base::Registry::instance().dump( *this, os);
+    } else {
+        boost::io::ios_all_saver ias(os);
+        os << "  GenericTLVParser<" << prettyName(typeid(Base)) << ">\n"
+           << "    type:   " << format::dumpint(this->type()) << "\n"
+           << "    length: " << format::dumpint(this->length()) << "\n"
+           << "    value:\n";
+        hexdump(value().begin(), value().end(), os);
+    }
+}
+
+template <class Base>
+prefix_  senf::PacketInterpreterBase::range senf::GenericTLVParserBase<Base>::value()
+    const
 {
-    senf::PacketData::iterator begin ( boost::next(this->i(), senf::bytes( self())) );
+    PacketData::iterator begin ( boost::next(this->i(), senf::bytes( self())) );
     return PacketInterpreterBase::range(begin, boost::next( begin, this->length()) );
 }
 
@@ -73,37 +89,74 @@ prefix_ void senf::GenericTLVParserBase<Base>::value_(ForwardReadableRange const
 }
 
 
-///////////////////////////////////////////////////////////////////////////
-// senf::GenericTLVParserRegistry<BaseParser>
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
+// senf::GenericTLVParserRegistry<BaseParser,Keytype>
 
-template <class BaseParser>
+template <class BaseParser, class Keytype>
 template <typename Parser>
-prefix_ void senf::GenericTLVParserRegistry<BaseParser>::registerParser()
+prefix_ void senf::GenericTLVParserRegistry<BaseParser,Keytype>::registerParser()
 {
-    typename BaseParser::type_t::value_type key (Parser::typeId+0);
+    Keytype key (Parser::typeId+0);
     typename Map::iterator i (map_.find( key ));
     if (i == map_.end() )
         map_.insert(key, new detail::GenericTLVParserRegistry_Entry<BaseParser, Parser>() );
 }
 
-template <class BaseParser>
-prefix_ void senf::GenericTLVParserRegistry<BaseParser>::dump(
-        GenericTLVParserBase<BaseParser> const & parser, std::ostream & os)
+// Wow ... this is stupid .. Boost 1.33 ptr_map API is broken ...
+
+#if BOOST_VERSION < 103400
+#define PTRMAP_GET_CONTENTS(v) (v)
+#else
+#define PTRMAP_GET_CONTENTS(v) (*(v).second)
+#endif
+
+template <class BaseParser, class Keytype>
+prefix_ void senf::GenericTLVParserRegistry<BaseParser,Keytype>::dump(
+        GenericTLVParser const & parser, std::ostream & os)
+    const
 {
-    typename Map::iterator i (map_.find( parser.type()));
-    if (i == map_.end()) {
-        boost::io::ios_all_saver ias(os);
-        os << "  GenericTLVParser<" << prettyName(typeid(BaseParser)) << ">\n"
-           << "    type:   " << senf::format::dumpint(parser.type()) << "\n"
-           << "    length: " << senf::format::dumpint(parser.length()) << "\n"
-           << "    value:\n";
-        hexdump(parser.value().begin(), parser.value().end(), os);       
-    }
+    typename Map::const_iterator i (map_.find( parser.type()));
+    if (i != map_.end())
+        PTRMAP_GET_CONTENTS(*i).dump(parser, os);
+}
+
+template <class BaseParser, class Keytype>
+prefix_ void senf::GenericTLVParserRegistry<BaseParser,Keytype>::dump(
+        GenericTLVParser const & parser, Keytype const & key, std::ostream & os)
+    const
+{
+    typename Map::const_iterator i (map_.find( key));
+    if (i != map_.end())
+        PTRMAP_GET_CONTENTS(*i).dump(parser, os);
+}
+
+template <class BaseParser, class Keytype>
+prefix_ senf::PacketParserBase::size_type senf::GenericTLVParserRegistry<BaseParser,Keytype>::bytes(
+        GenericTLVParser const & parser)
+    const
+{
+    typename Map::const_iterator i (map_.find( parser.type()));
+    if (i != map_.end())
+        return PTRMAP_GET_CONTENTS(*i).bytes(parser);
+    else
+        throw TLVParserNotRegisteredException();
+}
+
+template <class BaseParser, class Keytype>
+prefix_ senf::PacketParserBase::size_type senf::GenericTLVParserRegistry<BaseParser,Keytype>::bytes(
+        GenericTLVParser const & parser, Keytype const & key)
+    const
+{
+    typename Map::const_iterator i (map_.find( key));
+    if (i != map_.end())
+        return PTRMAP_GET_CONTENTS(*i).bytes(parser);
     else
-        (i->second)->dump(parser, os);
+        throw TLVParserNotRegisteredException();
 }
 
-///////////////////////////////ct.e////////////////////////////////////////
+#undef PTRMAP_GET_CONTENTS
+
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
 #undef prefix_
 
 \f