2779f5c6d9
Former-commit-id:33bc5fd816[formerly83e9157df7] [formerly33bc5fd816[formerly83e9157df7] [formerly328c6dccad[formerly bd9eec1d4e6fd843c7bb594b8adb882d72edc6cf]]] Former-commit-id:328c6dccadFormer-commit-id:d9be4dce21[formerly47cc08ac79] Former-commit-id:547c1dedd1
136 lines
4.6 KiB
C++
136 lines
4.6 KiB
C++
/*
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*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "qpid/framing/amqp_types.h"
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#include "qpid/Exception.h"
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#include "qpid/CommonImportExport.h"
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#include <boost/iterator/iterator_facade.hpp>
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#ifndef _Buffer_
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#define _Buffer_
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namespace qpid {
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namespace framing {
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struct OutOfBounds : qpid::Exception {
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OutOfBounds() : qpid::Exception(std::string("Out of Bounds")) {}
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};
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class Content;
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class FieldTable;
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class Buffer
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{
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uint32_t size;
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char* data;
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uint32_t position;
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uint32_t r_position;
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public:
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void checkAvailable(uint32_t count) { if (position + count > size) throw OutOfBounds(); }
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/** Buffer input/output iterator.
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* Supports using an amqp_0_10::Codec with a framing::Buffer.
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*/
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class Iterator : public boost::iterator_facade<
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Iterator, char, boost::random_access_traversal_tag>
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{
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public:
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Iterator(Buffer& b) : buffer(&b) {}
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private:
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friend class boost::iterator_core_access;
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char& dereference() const { return buffer->data[buffer->position]; }
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void increment() { ++buffer->position; }
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bool equal(const Iterator& x) const { return buffer == x.buffer; }
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Buffer* buffer;
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};
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friend class Iterator;
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QPID_COMMON_EXTERN Buffer(char* data=0, uint32_t size=0);
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QPID_COMMON_EXTERN void record();
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QPID_COMMON_EXTERN void restore(bool reRecord = false);
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QPID_COMMON_EXTERN void reset();
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QPID_COMMON_EXTERN uint32_t available() { return size - position; }
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QPID_COMMON_EXTERN uint32_t getSize() { return size; }
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QPID_COMMON_EXTERN uint32_t getPosition() { return position; }
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QPID_COMMON_EXTERN void setPosition(uint32_t p) { position = p; }
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QPID_COMMON_EXTERN Iterator getIterator() { return Iterator(*this); }
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QPID_COMMON_EXTERN char* getPointer() { return data; }
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QPID_COMMON_EXTERN void putOctet(uint8_t i);
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QPID_COMMON_EXTERN void putShort(uint16_t i);
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QPID_COMMON_EXTERN void putLong(uint32_t i);
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QPID_COMMON_EXTERN void putLongLong(uint64_t i);
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QPID_COMMON_EXTERN void putInt8(int8_t i);
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QPID_COMMON_EXTERN void putInt16(int16_t i);
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QPID_COMMON_EXTERN void putInt32(int32_t i);
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QPID_COMMON_EXTERN void putInt64(int64_t i);
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QPID_COMMON_EXTERN void putFloat(float f);
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QPID_COMMON_EXTERN void putDouble(double f);
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QPID_COMMON_EXTERN void putBin128(const uint8_t* b);
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QPID_COMMON_EXTERN uint8_t getOctet();
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QPID_COMMON_EXTERN uint16_t getShort();
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QPID_COMMON_EXTERN uint32_t getLong();
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QPID_COMMON_EXTERN uint64_t getLongLong();
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QPID_COMMON_EXTERN int8_t getInt8();
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QPID_COMMON_EXTERN int16_t getInt16();
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QPID_COMMON_EXTERN int32_t getInt32();
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QPID_COMMON_EXTERN int64_t getInt64();
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QPID_COMMON_EXTERN float getFloat();
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QPID_COMMON_EXTERN double getDouble();
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template <int n>
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QPID_COMMON_EXTERN uint64_t getUInt();
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template <int n>
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QPID_COMMON_EXTERN void putUInt(uint64_t);
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QPID_COMMON_EXTERN void putShortString(const string& s);
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QPID_COMMON_EXTERN void putMediumString(const string& s);
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QPID_COMMON_EXTERN void putLongString(const string& s);
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QPID_COMMON_EXTERN void getShortString(string& s);
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QPID_COMMON_EXTERN void getMediumString(string& s);
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QPID_COMMON_EXTERN void getLongString(string& s);
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QPID_COMMON_EXTERN void getBin128(uint8_t* b);
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QPID_COMMON_EXTERN void putRawData(const string& s);
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QPID_COMMON_EXTERN void getRawData(string& s, uint32_t size);
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QPID_COMMON_EXTERN void putRawData(const uint8_t* data, size_t size);
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QPID_COMMON_EXTERN void getRawData(uint8_t* data, size_t size);
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template <class T> void put(const T& data) { data.encode(*this); }
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template <class T> void get(T& data) { data.decode(*this); }
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QPID_COMMON_EXTERN void dump(std::ostream&) const;
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};
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std::ostream& operator<<(std::ostream&, const Buffer&);
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}} // namespace qpid::framing
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#endif
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