Update from trunk r1375509 through r1450773asyncstore

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/asyncstore@1451244 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 83 insertions, 0 deletions

diff --git a/cpp/src/qpid/amqp/Codec.h b/cpp/src/qpid/amqp/Codec.h
new file mode 100644
index 0000000000..c91cd0a96b
--- /dev/null
+++ b/cpp/src/qpid/amqp/Codec.h
@@ -0,0 +1,83 @@
+#ifndef QPID_AMQP_CODEC_H
+#define QPID_AMQP_CODEC_H
+
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+namespace qpid {
+namespace amqp {
+
+/**
+ *
+ */
+class Codec
+{
+  public:
+
+
+
+  private:
+
+    struct Constructor
+    {
+        uint8_t code;
+        Descriptor descriptor;
+        bool isDescribed;
+    };
+
+    Constructor readConstructor(Decoder decoder, Reader reader)
+    {
+        Constructor result;
+        result.code = decoder.readCode();
+        if (code == DESCRIPTOR) {
+            result.isDescribed = true;
+            result.descriptor = decoder.readDescriptor();
+            result.code = decoder.readCode();
+        } else {
+            result.isDescribed = false;
+        }
+        return result;
+    }
+};
+
+Codec::Descriptor Codec::Decoder::readDescriptor()
+{
+    uint8_t code = decoder.readCode();
+    switch(code) {
+      case SYMBOL8:
+        return Descriptor(readSequence8());
+      case SYMBOL32:
+        return Descriptor(readSequence32());
+      case ULONG:
+        return Descriptor(readULong());
+      case ULONG_SMALL:
+        return Descriptor((uint64_t) readUByte());
+      case ULONG_ZERO:
+        return Descriptor((uint64_t) 0);
+      default:
+        throw qpid::Exception("Expected descriptor of type ulong or symbol; found " << code);
+    }
+}
+
+Codec::Descriptor::Descriptor(uint64_t id) : value.id(id), type(NUMERIC) {}
+Codec::Descriptor::Descriptor(const CharSequence& symbol) : value.symbol(symbol), type(SYMBOLIC) {}
+}} // namespace qpid::amqp
+
+#endif  /*!QPID_AMQP_CODEC_H*/