[C++]: adding copy/move constructors and assignment operators back into codecs for #468

Author: tmontgomery

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/cpp/CppGenerator.java

@@ -1258,6 +1258,28 @@ private static CharSequence generateFixedFlyweightCode(final String className, f
             "    {\n" +
             "        reset(buffer, 0, bufferLength, actingVersion);\n" +
             "    }\n\n" +
+            "    %1$s(const %1$s& codec) :\n" +
+            "        m_buffer(codec.m_buffer), m_offset(codec.m_offset), m_actingVersion(codec.m_actingVersion){}\n\n" +
+            "#if __cplusplus >= 201103L\n" +
+            "    %1$s(%1$s&& codec) :\n" +
+            "        m_buffer(codec.m_buffer), m_offset(codec.m_offset), m_actingVersion(codec.m_actingVersion){}\n\n" +
+            "    %1$s& operator=(%1$s&& codec)\n" +
+            "    {\n" +
+            "        m_buffer = codec.m_buffer;\n" +
+            "        m_bufferLength = codec.m_bufferLength;\n" +
+            "        m_offset = codec.m_offset;\n" +
+            "        m_actingVersion = codec.m_actingVersion;\n" +
+            "        return *this;\n" +
+            "    }\n\n" +
+            "#endif\n\n" +
+            "    %1$s& operator=(const %1$s& codec)\n" +
+            "    {\n" +
+            "        m_buffer = codec.m_buffer;\n" +
+            "        m_bufferLength = codec.m_bufferLength;\n" +
+            "        m_offset = codec.m_offset;\n" +
+            "        m_actingVersion = codec.m_actingVersion;\n" +
+            "        return *this;\n" +
+            "    }\n\n" +
             "    %1$s &wrap(char *buffer, const std::uint64_t offset, const std::uint64_t actingVersion," +
             " const std::uint64_t bufferLength)\n" +
             "    {\n" +
@@ -1292,6 +1314,26 @@ private static CharSequence generateConstructorsAndOperators(final String classN
             " const std::uint64_t actingVersion)\n" +
             "    {\n" +
             "        reset(buffer, 0, bufferLength, actingBlockLength, actingVersion);\n" +
+            "    }\n\n" +
+            "    %1$s(const %1$s& codec)\n" +
+            "    {\n" +
+            "        reset(codec);\n" +
+            "    }\n\n" +
+            "#if __cplusplus >= 201103L\n" +
+            "    %1$s(%1$s&& codec)\n" +
+            "    {\n" +
+            "        reset(codec);\n" +
+            "    }\n\n" +
+            "    %1$s& operator=(%1$s&& codec)\n" +
+            "    {\n" +
+            "        reset(codec);\n" +
+            "        return *this;\n" +
+            "    }\n\n" +
+            "#endif\n\n" +
+            "    %1$s& operator=(const %1$s& codec)\n" +
+            "    {\n" +
+            "        reset(codec);\n" +
+            "        return *this;\n" +
             "    }\n\n",
             className);
     }
@@ -1325,6 +1367,16 @@ private CharSequence generateMessageFlyweightCode(final String className, final
             "        m_positionPtr = &m_position;\n" +
             "        position(offset + m_actingBlockLength);\n" +
             "    }\n\n" +
+            "    inline void reset(const %10$s& codec)\n" +
+            "    {\n" +
+            "        m_buffer = codec.m_buffer;\n" +
+            "        m_offset = codec.m_offset;\n" +
+            "        m_bufferLength = codec.m_bufferLength;\n" +
+            "        m_actingBlockLength = codec.m_actingBlockLength;\n" +
+            "        m_actingVersion = codec.m_actingVersion;\n" +
+            "        m_positionPtr = &m_position;\n" +
+            "        m_position = codec.m_position;\n" +
+            "    }\n\n" +
             "public:\n\n" +
             "%11$s" +
             "    static SBE_CONSTEXPR %1$s sbeBlockLength()\n" +