summaryrefslogtreecommitdiff
path: root/qpid/cpp/src/qpid/amqp/Decoder.h
diff options
context:
space:
mode:
authorRobert Gemmell <robbie@apache.org>2015-06-25 10:22:51 +0000
committerRobert Gemmell <robbie@apache.org>2015-06-25 10:22:51 +0000
commit32ae758bc2e8fd962b66a4ab6341b14009f1907e (patch)
tree2f4d8174813284a6ea58bb6b7f6520aa92287476 /qpid/cpp/src/qpid/amqp/Decoder.h
parent116d91ad7825a98af36a869fc751206fbce0c59f (diff)
parentf7e896076143de4572b4f1f67ef0765125f2498d (diff)
downloadqpid-python-32ae758bc2e8fd962b66a4ab6341b14009f1907e.tar.gz
NO-JIRA: create branch for qpid-cpp 0.34 RC process
git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/qpid-cpp-0.34-rc@1687469 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'qpid/cpp/src/qpid/amqp/Decoder.h')
-rw-r--r--qpid/cpp/src/qpid/amqp/Decoder.h100
1 files changed, 100 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/amqp/Decoder.h b/qpid/cpp/src/qpid/amqp/Decoder.h
new file mode 100644
index 0000000000..a78518be2b
--- /dev/null
+++ b/qpid/cpp/src/qpid/amqp/Decoder.h
@@ -0,0 +1,100 @@
+#ifndef QPID_AMQP_DECODER_H
+#define QPID_AMQP_DECODER_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.
+ *
+ */
+#include "qpid/sys/IntegerTypes.h"
+#include "qpid/CommonImportExport.h"
+#include <map>
+#include <string>
+#include <stddef.h>
+
+namespace qpid {
+namespace types {
+class Uuid;
+class Variant;
+}
+namespace amqp {
+struct CharSequence;
+struct Constructor;
+struct Descriptor;
+class Reader;
+
+/**
+ * Class to assist in decoding an AMQP encoded data-stream.
+ */
+class Decoder
+{
+ public:
+ QPID_COMMON_EXTERN Decoder(const char*, size_t);
+
+ QPID_COMMON_EXTERN size_t available();
+ QPID_COMMON_EXTERN uint8_t readCode();
+
+ QPID_COMMON_EXTERN bool readBoolean();
+ QPID_COMMON_EXTERN uint8_t readUByte();
+ QPID_COMMON_EXTERN uint16_t readUShort();
+ QPID_COMMON_EXTERN uint32_t readUInt();
+ QPID_COMMON_EXTERN uint64_t readULong();
+ QPID_COMMON_EXTERN int8_t readByte();
+ QPID_COMMON_EXTERN int16_t readShort();
+ QPID_COMMON_EXTERN int32_t readInt();
+ QPID_COMMON_EXTERN int64_t readLong();
+ QPID_COMMON_EXTERN float readFloat();
+ QPID_COMMON_EXTERN double readDouble();
+ QPID_COMMON_EXTERN qpid::types::Uuid readUuid();
+ QPID_COMMON_EXTERN CharSequence readSequence8();
+ QPID_COMMON_EXTERN CharSequence readSequence32();
+ QPID_COMMON_EXTERN Descriptor readDescriptor();
+ QPID_COMMON_EXTERN void read(Reader& reader);
+
+ QPID_COMMON_EXTERN void readMap(std::map<std::string, qpid::types::Variant>&);
+ QPID_COMMON_EXTERN std::map<std::string, qpid::types::Variant> readMap();
+ QPID_COMMON_EXTERN void advance(size_t);
+ QPID_COMMON_EXTERN size_t getPosition() const;
+ QPID_COMMON_EXTERN void resetSize(size_t size);
+ QPID_COMMON_EXTERN size_t getSize() const;
+
+ private:
+ const char* const start;
+ size_t size;
+ size_t position;
+ size_t current;
+
+ void readOne(Reader& reader);
+ void readValue(Reader& reader, uint8_t code, const Descriptor* descriptor);
+ void readList(Reader& reader, uint32_t size, uint32_t count, const Descriptor* descriptor);
+ void readMap(Reader& reader, uint32_t size, uint32_t count, const Descriptor* descriptor);
+ void readArray(Reader& reader, uint32_t size, uint32_t count, const Descriptor* descriptor);
+ void readList8(Reader& reader, const Descriptor* descriptor);
+ void readList32(Reader& reader, const Descriptor* descriptor);
+ void readMap8(Reader& reader, const Descriptor* descriptor);
+ void readMap32(Reader& reader, const Descriptor* descriptor);
+ void readArray8(Reader& reader, const Descriptor* descriptor);
+ void readArray32(Reader& reader, const Descriptor* descriptor);
+ CharSequence readRawUuid();
+ Constructor readConstructor();
+ const char* data();
+ CharSequence getCurrent(size_t remaining) const;
+};
+}} // namespace qpid::amqp
+
+#endif /*!QPID_AMQP_DECODER_H*/