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Diffstat (limited to 'Final/cpp/lib/common/framing/Value.h')
-rw-r--r-- | Final/cpp/lib/common/framing/Value.h | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/Final/cpp/lib/common/framing/Value.h b/Final/cpp/lib/common/framing/Value.h deleted file mode 100644 index e7ae865a70..0000000000 --- a/Final/cpp/lib/common/framing/Value.h +++ /dev/null @@ -1,171 +0,0 @@ -/* - * - * 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 <iostream> -#include <vector> -#include <amqp_types.h> -#include <FieldTable.h> - -#ifndef _Value_ -#define _Value_ - -namespace qpid { -namespace framing { - -class Buffer; - -/** - * Represents a decimal value. - * No arithmetic functionality for now, we only care about encoding/decoding. - */ -struct Decimal { - u_int32_t value; - u_int8_t decimals; - - Decimal(u_int32_t value_=0, u_int8_t decimals_=0) : value(value_), decimals(decimals_) {} - bool operator==(const Decimal& d) const { - return decimals == d.decimals && value == d.value; - } - bool operator!=(const Decimal& d) const { return !(*this == d); } -}; - -std::ostream& operator<<(std::ostream& out, const Decimal& d); - -/** - * Polymorpic base class for values. - */ -class Value { - public: - virtual ~Value(); - virtual u_int32_t size() const = 0; - virtual char getType() const = 0; - virtual void encode(Buffer& buffer) = 0; - virtual void decode(Buffer& buffer) = 0; - virtual bool operator==(const Value&) const = 0; - bool operator!=(const Value& v) const { return !(*this == v); } - virtual void print(std::ostream& out) const = 0; - - /** Create a new value by decoding from the buffer */ - static std::auto_ptr<Value> decode_value(Buffer& buffer); -}; - -std::ostream& operator<<(std::ostream& out, const Value& d); - - -/** - * Template for common operations on Value sub-classes. - */ -template <class T> -class ValueOps : public Value -{ - protected: - T value; - public: - ValueOps() {} - ValueOps(const T& v) : value(v) {} - const T& getValue() const { return value; } - T& getValue() { return value; } - - virtual bool operator==(const Value& v) const { - const ValueOps<T>* vo = dynamic_cast<const ValueOps<T>*>(&v); - if (vo == 0) return false; - else return value == vo->value; - } - - void print(std::ostream& out) const { out << value; } -}; - - -class StringValue : public ValueOps<std::string> { - public: - StringValue(const std::string& v) : ValueOps<std::string>(v) {} - StringValue() {} - virtual u_int32_t size() const { return 4 + value.length(); } - virtual char getType() const { return 'S'; } - virtual void encode(Buffer& buffer); - virtual void decode(Buffer& buffer); -}; - -class IntegerValue : public ValueOps<int> { - public: - IntegerValue(int v) : ValueOps<int>(v) {} - IntegerValue(){} - virtual u_int32_t size() const { return 4; } - virtual char getType() const { return 'I'; } - virtual void encode(Buffer& buffer); - virtual void decode(Buffer& buffer); -}; - -class TimeValue : public ValueOps<u_int64_t> { - public: - TimeValue(u_int64_t v) : ValueOps<u_int64_t>(v){} - TimeValue(){} - virtual u_int32_t size() const { return 8; } - virtual char getType() const { return 'T'; } - virtual void encode(Buffer& buffer); - virtual void decode(Buffer& buffer); -}; - -class DecimalValue : public ValueOps<Decimal> { - public: - DecimalValue(const Decimal& d) : ValueOps<Decimal>(d) {} - DecimalValue(u_int32_t value_=0, u_int8_t decimals_=0) : - ValueOps<Decimal>(Decimal(value_, decimals_)){} - virtual u_int32_t size() const { return 5; } - virtual char getType() const { return 'D'; } - virtual void encode(Buffer& buffer); - virtual void decode(Buffer& buffer); -}; - - -class FieldTableValue : public ValueOps<FieldTable> { - public: - FieldTableValue(const FieldTable& v) : ValueOps<FieldTable>(v){} - FieldTableValue(){} - virtual u_int32_t size() const { return 4 + value.size(); } - virtual char getType() const { return 'F'; } - virtual void encode(Buffer& buffer); - virtual void decode(Buffer& buffer); -}; - -class EmptyValue : public Value { - public: - ~EmptyValue(); - virtual u_int32_t size() const { return 0; } - virtual char getType() const { return 0; } - virtual void encode(Buffer& ) {} - virtual void decode(Buffer& ) {} - virtual bool operator==(const Value& v) const { - return dynamic_cast<const EmptyValue*>(&v); - } - virtual void print(std::ostream& out) const; -}; - -//non-standard types, introduced in java client for JMS compliance -class BinaryValue : public StringValue { - public: - BinaryValue(const std::string& v) : StringValue(v) {} - BinaryValue() {} - virtual char getType() const { return 'x'; } -}; - -}} // qpid::framing - -#endif |