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-rw-r--r--cpp/include/qpid/framing/FieldTable.h8
-rw-r--r--cpp/include/qpid/framing/FieldValue.h117
-rw-r--r--cpp/include/qpid/framing/List.h76
3 files changed, 198 insertions, 3 deletions
diff --git a/cpp/include/qpid/framing/FieldTable.h b/cpp/include/qpid/framing/FieldTable.h
index a3a5c8a4ee..b2331cd4e1 100644
--- a/cpp/include/qpid/framing/FieldTable.h
+++ b/cpp/include/qpid/framing/FieldTable.h
@@ -51,6 +51,8 @@ class FieldTable
typedef boost::shared_ptr<FieldValue> ValuePtr;
typedef std::map<std::string, ValuePtr> ValueMap;
typedef ValueMap::iterator iterator;
+ typedef ValueMap::const_reference const_reference;
+ typedef ValueMap::value_type value_type;
QPID_COMMON_EXTERN FieldTable() {};
QPID_COMMON_EXTERN FieldTable(const FieldTable& ft);
@@ -97,12 +99,16 @@ class FieldTable
QPID_COMMON_EXTERN bool operator==(const FieldTable& other) const;
// Map-like interface.
- // TODO: may need to duplicate into versions that return mutable iterator
ValueMap::const_iterator begin() const { return values.begin(); }
ValueMap::const_iterator end() const { return values.end(); }
ValueMap::const_iterator find(const std::string& s) const { return values.find(s); }
+ ValueMap::iterator begin() { return values.begin(); }
+ ValueMap::iterator end() { return values.end(); }
+ ValueMap::iterator find(const std::string& s) { return values.find(s); }
+
std::pair <ValueMap::iterator, bool> insert(const ValueMap::value_type&);
+ ValueMap::iterator insert(ValueMap::iterator, const ValueMap::value_type&);
void clear() { values.clear(); }
// ### Hack Alert
diff --git a/cpp/include/qpid/framing/FieldValue.h b/cpp/include/qpid/framing/FieldValue.h
index 97fc56d606..6c2f5b5876 100644
--- a/cpp/include/qpid/framing/FieldValue.h
+++ b/cpp/include/qpid/framing/FieldValue.h
@@ -24,6 +24,7 @@
#include "qpid/Exception.h"
#include "qpid/framing/amqp_types.h"
#include "qpid/framing/Buffer.h"
+#include "qpid/framing/Endian.h"
#include "qpid/framing/FieldTable.h"
#include "qpid/CommonImportExport.h"
@@ -36,7 +37,6 @@
namespace qpid {
namespace framing {
-//class Array;
/**
* Exception that is the base exception for all field table errors.
*
@@ -53,6 +53,8 @@ struct InvalidConversionException : public FieldValueException {
InvalidConversionException() {}
};
+class List;
+
/**
* Value that can appear in an AMQP field table
*
@@ -96,12 +98,17 @@ class FieldValue {
template <typename T> bool convertsTo() const { return false; }
template <typename T> T get() const { throw InvalidConversionException(); }
+ template <class T, int W> T getIntegerValue() const;
+ template <class T, int W> T getFloatingPointValue() const;
+ template <class T> bool get(T&) const;
+
protected:
FieldValue(uint8_t t, Data* d): typeOctet(t), data(d) {}
private:
uint8_t typeOctet;
std::auto_ptr<Data> data;
+
};
template <>
@@ -165,10 +172,52 @@ class FixedWidthValue : public FieldValue::Data {
return v;
}
uint8_t* rawOctets() { return octets; }
+ uint8_t* rawOctets() const { return octets; }
void print(std::ostream& o) const { o << "F" << width << ":"; };
};
+template <class T, int W>
+inline T FieldValue::getIntegerValue() const
+{
+ FixedWidthValue<W>* const fwv = dynamic_cast< FixedWidthValue<W>* const>(data.get());
+ if (fwv) {
+ uint8_t* octets = fwv->rawOctets();
+ T v = 0;
+ for (int i = 0; i < W-1; ++i) {
+ v |= octets[i]; v <<= 8;
+ }
+ v |= octets[W-1];
+ return v;
+ } else {
+ throw InvalidConversionException();
+ }
+}
+
+template <class T, int W>
+inline T FieldValue::getFloatingPointValue() const {
+ FixedWidthValue<W>* const fwv = dynamic_cast< FixedWidthValue<W>* const>(data.get());
+ if (fwv) {
+ T value;
+ uint8_t* const octets = Endian::convertIfRequired(fwv->rawOctets(), W);
+ uint8_t* const target = reinterpret_cast<uint8_t*>(&value);
+ for (uint i = 0; i < W; ++i) target[i] = octets[i];
+ return value;
+ } else {
+ throw InvalidConversionException();
+ }
+}
+
+template <>
+inline float FieldValue::get<float>() const {
+ return getFloatingPointValue<float, 4>();
+}
+
+template <>
+inline double FieldValue::get<double>() const {
+ return getFloatingPointValue<double, 8>();
+}
+
template <>
class FixedWidthValue<0> : public FieldValue::Data {
public:
@@ -243,6 +292,27 @@ class EncodedValue : public FieldValue::Data {
void print(std::ostream& o) const { o << "[" << value << "]"; };
};
+/**
+ * Accessor that can be used to get values of type FieldTable, Array
+ * and List.
+ */
+template <class T>
+inline bool FieldValue::get(T& t) const
+{
+ const EncodedValue<T>* v = dynamic_cast< EncodedValue<T>* >(data.get());
+ if (v != 0) {
+ t = v->getValue();
+ return true;
+ } else {
+ try {
+ t = get<T>();
+ return true;
+ } catch (const InvalidConversionException&) {
+ return false;
+ }
+ }
+}
+
class Str8Value : public FieldValue {
public:
QPID_COMMON_EXTERN Str8Value(const std::string& v);
@@ -294,6 +364,7 @@ class Unsigned64Value : public FieldValue {
class FieldTableValue : public FieldValue {
public:
+ typedef FieldTable ValueType;
QPID_COMMON_EXTERN FieldTableValue(const FieldTable&);
};
@@ -302,6 +373,49 @@ class ArrayValue : public FieldValue {
QPID_COMMON_EXTERN ArrayValue(const Array&);
};
+class VoidValue : public FieldValue {
+ public:
+ QPID_COMMON_EXTERN VoidValue();
+};
+
+class BoolValue : public FieldValue {
+ public:
+ QPID_COMMON_EXTERN BoolValue(bool);
+};
+
+class Unsigned8Value : public FieldValue {
+ public:
+ QPID_COMMON_EXTERN Unsigned8Value(uint8_t);
+};
+
+class Unsigned16Value : public FieldValue {
+ public:
+ QPID_COMMON_EXTERN Unsigned16Value(uint16_t);
+};
+
+class Unsigned32Value : public FieldValue {
+ public:
+ QPID_COMMON_EXTERN Unsigned32Value(uint32_t);
+};
+
+class Integer8Value : public FieldValue {
+ public:
+ QPID_COMMON_EXTERN Integer8Value(int8_t);
+};
+
+class Integer16Value : public FieldValue {
+ public:
+ QPID_COMMON_EXTERN Integer16Value(int16_t);
+};
+
+typedef IntegerValue Integer32Value;
+
+class ListValue : public FieldValue {
+ public:
+ typedef List ValueType;
+ QPID_COMMON_EXTERN ListValue(const List&);
+};
+
template <class T>
bool getEncodedValue(FieldTable::ValuePtr vptr, T& value)
{
@@ -315,7 +429,6 @@ bool getEncodedValue(FieldTable::ValuePtr vptr, T& value)
return false;
}
-
}} // qpid::framing
#endif
diff --git a/cpp/include/qpid/framing/List.h b/cpp/include/qpid/framing/List.h
new file mode 100644
index 0000000000..cb1129ebf8
--- /dev/null
+++ b/cpp/include/qpid/framing/List.h
@@ -0,0 +1,76 @@
+#ifndef QPID_FRAMING_LIST_H
+#define QPID_FRAMING_LIST_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/CommonImportExport.h"
+#include "qpid/framing/amqp_types.h"
+#include <iostream>
+#include <list>
+#include <boost/shared_ptr.hpp>
+
+namespace qpid {
+namespace framing {
+
+class Buffer;
+class FieldValue;
+
+/**
+ * Representation of an AMQP 0-10 list
+ */
+class List
+{
+ public:
+ typedef boost::shared_ptr<FieldValue> ValuePtr;
+ typedef std::list<ValuePtr> Values;
+ typedef Values::const_iterator const_iterator;
+ typedef Values::iterator iterator;
+ typedef Values::const_reference const_reference;
+
+ QPID_COMMON_EXTERN uint32_t encodedSize() const;
+ QPID_COMMON_EXTERN void encode(Buffer& buffer) const;
+ QPID_COMMON_EXTERN void decode(Buffer& buffer);
+
+ QPID_COMMON_EXTERN bool operator==(const List& other) const;
+
+ // std collection interface.
+ QPID_COMMON_EXTERN const_iterator begin() const { return values.begin(); }
+ QPID_COMMON_EXTERN const_iterator end() const { return values.end(); }
+ QPID_COMMON_EXTERN iterator begin() { return values.begin(); }
+ QPID_COMMON_EXTERN iterator end(){ return values.end(); }
+
+ QPID_COMMON_EXTERN ValuePtr front() const { return values.front(); }
+ QPID_COMMON_EXTERN ValuePtr back() const { return values.back(); }
+ QPID_COMMON_EXTERN size_t size() const { return values.size(); }
+
+ QPID_COMMON_EXTERN iterator insert(iterator i, ValuePtr value) { return values.insert(i, value); }
+ QPID_COMMON_EXTERN void erase(iterator i) { values.erase(i); }
+ QPID_COMMON_EXTERN void push_back(ValuePtr value) { values.insert(end(), value); }
+ QPID_COMMON_EXTERN void pop_back() { values.pop_back(); }
+
+ private:
+ Values values;
+
+ friend QPID_COMMON_EXTERN std::ostream& operator<<(std::ostream& out, const List& list);
+};
+}} // namespace qpid::framing
+
+#endif /*!QPID_FRAMING_LIST_H*/
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