NEW FILE HEADER / COPYRIGHT FORMAT

[senf.git] / Packets / MPEGDVBBundle / TLVPacket.cc

diff --git a/Packets/MPEGDVBBundle/TLVPacket.cc b/Packets/MPEGDVBBundle/TLVPacket.cc
index 270d81f..42e0dd6 100644 (file)
--- a/Packets/MPEGDVBBundle/TLVPacket.cc
+++ b/Packets/MPEGDVBBundle/TLVPacket.cc
@@ -1,9 +1,9 @@
 // $Id$
 //
 // Copyright (C) 2007
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
-//     Thorsten Horstmann <thorsten.horstmann@fokus.fraunhofer.de>
+// Fraunhofer Institute for Open Communication Systems (FOKUS) 
+// Competence Center NETwork research (NET), St. Augustin, GERMANY 
+//     Thorsten Horstmann <tho@berlios.de>
 //
 // This program is free software; you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -33,127 +33,105 @@
 #define prefix_
 ///////////////////////////////cc.p////////////////////////////////////////
 
-prefix_ senf::Parse_TLVPacketLength::value_type senf::Parse_TLVPacketLength::value() const {
+prefix_ senf::TLVPacketLengthParser::value_type senf::TLVPacketLengthParser::value() const 
+{
     switch (bytes() ) {
     case 1:
         return fixed_length_field().value();
     case 2:
-        return parse<Parse_UInt8>( 1 ).value();
+        return parse<UInt8Parser>( 1 ).value();
     case 3:
-        return parse<Parse_UInt16>( 1 ).value();
+        return parse<UInt16Parser>( 1 ).value();
     case 4:
-        return parse<Parse_UInt24>( 1 ).value();
+        return parse<UInt24Parser>( 1 ).value();
     case 5:
-        return parse<Parse_UInt32>( 1 ).value();
+        return parse<UInt32Parser>( 1 ).value();
     default:
         throw(UnsuportedTLVPacketException());
     };
 }
 
-prefix_ void senf::Parse_TLVPacketLength::value(value_type const & v) {
+prefix_ void senf::TLVPacketLengthParser::value(value_type const & v) 
+{
     if (v > 4294967295u)
         throw(UnsuportedTLVPacketException());
-        
+    
+    SafePacketParserWrapper<TLVPacketLengthParser> safeThis (*this);
     if (v < 128u) {
-        if (bytes() != 1) resize(1);
-        fixed_length_field() = v;
+        if (bytes() != 1) {
+            resize(1);
+            safeThis->extended_length_flag() = false;
+        }
+        safeThis->fixed_length_field() = v;
         return;
     }
     if (v < 256u) {
-        if (bytes() != 2) resize(2);
-        parse<Parse_UInt8>(1) = v;
+        if (bytes() != 2) {
+           resize(2);
+            safeThis->extended_length_flag() = true;
+           safeThis->fixed_length_field() = 1;
+       }
+        safeThis->parse<UInt8Parser>(1) = v;
         return;
     }
     if (v < 65536u) {
-        if (bytes() != 3) resize(3);
-        parse<Parse_UInt16>(1) = v;
+        if (bytes() != 3) {
+           resize(3);
+           safeThis->extended_length_flag() = true;
+           safeThis->fixed_length_field() = 2;
+       }
+        safeThis->parse<UInt16Parser>(1) = v;
         return;
     }
     if (v < 16777216u) {
-        if (bytes() != 4) resize(4);
-        parse<Parse_UInt24>(1) = v;
+        if (bytes() != 4) {
+           resize(4);
+           safeThis->extended_length_flag() = true;
+           safeThis->fixed_length_field() = 3;
+       }
+        safeThis->parse<UInt24Parser>(1) = v;
         return;
     }
     if (v <= 4294967295u) {
-        if (bytes() != 5) resize(5);
-        parse<Parse_UInt32>(1) = v;
+        if (bytes() != 5) {
+           resize(5);
+           safeThis->extended_length_flag() = true;
+           safeThis->fixed_length_field() = 4;
+       }
+        safeThis->parse<UInt32Parser>(1) = v;
         return;
     }
 }
 
-prefix_ senf::Parse_TLVPacketLength const & senf::Parse_TLVPacketLength::operator= (value_type other) {
+prefix_ senf::TLVPacketLengthParser const & senf::TLVPacketLengthParser::operator= (value_type other) 
+{
     value(other);
     return *this; 
 }
 
-prefix_ senf::Parse_TLVPacketLength::size_type senf::Parse_TLVPacketLength::bytes() const {
+prefix_ senf::TLVPacketLengthParser::size_type senf::TLVPacketLengthParser::bytes() const 
+{
     if ( extended_length_flag() )
         return 1 + fixed_length_field();
     else
         return 1;
 }
     
-prefix_ void senf::Parse_TLVPacketLength::init() const {
+prefix_ void senf::TLVPacketLengthParser::init() const 
+{
     defaultInit();
     extended_length_flag() = 0;
 }
 
-prefix_ void senf::Parse_TLVPacketLength::resize(size_type size) {
-    std::cout << "senf::Parse_TLVPacketLength::resize: " << unsigned(size) << "\n";
-//    hexdump(data().begin(), data().end(), std::cout);
-    
+prefix_ void senf::TLVPacketLengthParser::resize(size_type size) 
+{
     size_type current_size (bytes());
     safe_data_iterator si (data(), i());
     
     if (current_size > size)
         data().erase( si, boost::next(si, current_size-size));
-    else {
+    else
         data().insert( si, size-current_size, 0);
-        Parse_TLVPacketLength(si,state()).init();
-    }
-    
-    if (size > 1) {
-        extended_length_flag() = 1;
-        fixed_length_field() = size-1;
-    } else {
-        extended_length_flag() = 0;
-    }
-    
-//    hexdump(data().begin(), data().end(), std::cout);
-}
-
-
-prefix_ void senf::TLVPacketType::dump(packet p, std::ostream & os)
-{
-    os << "TLVPacket:\n"
-       << std::dec
-       << "  type: " <<  unsigned(p->type()) << "\n"
-       << "  length: " << unsigned(p->length()) << "\n";
-}
-
-prefix_ senf::PacketParserBase::size_type senf::TLVPacketType::initSize()
-{
-    return 5;  // 4 bytes type + 1 byte length
-}
-
-prefix_ void senf::TLVPacketType::init(packet p)
-{
-    p->init();
-}
-
-prefix_ void senf::TLVPacketType::finalize(packet p)
-{
-    p->length() = p.next().data().size();
-}
-
-prefix_ senf::PacketInterpreterBase::optional_range 
-senf::TLVPacketType::nextPacketRange(packet p) 
-{
-    if (p.data().size() < 5)
-        return no_range();
-    return range(
-            boost::next(p.data().begin(), 4 + senf::bytes(p->length()) ),
-            p.data().end() );
 }