QPID-4707: Set AMQP 1.0 fields on outgoing messages based on special property keys

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@1489519 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 142 insertions, 0 deletions

diff --git a/cpp/src/qpid/amqp/MapEncoder.cpp b/cpp/src/qpid/amqp/MapEncoder.cpp
new file mode 100644
index 0000000000..cf8ef4ecb5
--- /dev/null
+++ b/cpp/src/qpid/amqp/MapEncoder.cpp
@@ -0,0 +1,142 @@
+/*
+ *
+ * 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.
+ *
+ */
+#include "MapEncoder.h"
+#include "CharSequence.h"
+#include "qpid/amqp/typecodes.h"
+#include <string.h>
+
+namespace qpid {
+namespace amqp {
+
+MapEncoder::MapEncoder(char* data, size_t size) : Encoder(data, size) {}
+
+void MapEncoder::handleVoid(const CharSequence& key)
+{
+    writeString(key);
+    writeNull();
+}
+
+void MapEncoder::handleBool(const CharSequence& key, bool value)
+{
+    writeString(key);
+    writeBoolean(value);
+}
+
+void MapEncoder::handleUint8(const CharSequence& key, uint8_t value)
+{
+    writeString(key);
+    writeUByte(value);
+}
+
+void MapEncoder::handleUint16(const CharSequence& key, uint16_t value)
+{
+    writeString(key);
+    writeUShort(value);
+}
+
+void MapEncoder::handleUint32(const CharSequence& key, uint32_t value)
+{
+    writeString(key);
+    writeUInt(value);
+}
+
+void MapEncoder::handleUint64(const CharSequence& key, uint64_t value)
+{
+    writeString(key);
+    writeULong(value);
+}
+
+void MapEncoder::handleInt8(const CharSequence& key, int8_t value)
+{
+    writeString(key);
+    writeByte(value);
+}
+
+void MapEncoder::handleInt16(const CharSequence& key, int16_t value)
+{
+    writeString(key);
+    writeShort(value);
+}
+
+void MapEncoder::handleInt32(const CharSequence& key, int32_t value)
+{
+    writeString(key);
+    writeInt(value);
+}
+
+void MapEncoder::handleInt64(const CharSequence& key, int64_t value)
+{
+    writeString(key);
+    writeLong(value);
+}
+
+void MapEncoder::handleFloat(const CharSequence& key, float value)
+{
+    writeString(key);
+    writeFloat(value);
+}
+
+void MapEncoder::handleDouble(const CharSequence& key, double value)
+{
+    writeString(key);
+    writeDouble(value);
+}
+
+namespace {
+const std::string BINARY("binary");
+}
+
+void MapEncoder::handleString(const CharSequence& key, const CharSequence& value, const CharSequence& encoding)
+{
+    writeString(key);
+    if (encoding.size == BINARY.size() && ::strncmp(encoding.data, BINARY.data(), encoding.size)) {
+        writeBinary(value);
+    } else {
+        writeString(value);
+    }
+}
+
+void MapEncoder::writeMetaData(size_t size, size_t count, const Descriptor* d)
+{
+    if (count > 255 || size > 255) {
+        writeMap32MetaData((uint32_t) size, (uint32_t) count, d);
+    } else {
+        writeMap8MetaData((uint8_t) size, (uint8_t) count, d);
+    }
+}
+
+void MapEncoder::writeMap8MetaData(uint8_t size, uint8_t count, const Descriptor* d)
+{
+    if (d) writeDescriptor(*d);
+    writeCode(typecodes::MAP8);
+    write((uint8_t) (size+1)/*size includes count field*/);
+    write(count);
+}
+
+void MapEncoder::writeMap32MetaData(uint32_t size, uint32_t count, const Descriptor* d)
+{
+    if (d) writeDescriptor(*d);
+    writeCode(typecodes::MAP32);
+    write((uint32_t) (size+4)/*size includes count field*/);
+    write(count);
+}
+
+}} // namespace qpid::amqp