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qpid/framing/Buffer.h
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00001 #ifndef QPID_FRAMING_BUFFER_H
00002 #define QPID_FRAMING_BUFFER_H
00003 
00004 /*
00005  *
00006  * Licensed to the Apache Software Foundation (ASF) under one
00007  * or more contributor license agreements.  See the NOTICE file
00008  * distributed with this work for additional information
00009  * regarding copyright ownership.  The ASF licenses this file
00010  * to you under the Apache License, Version 2.0 (the
00011  * "License"); you may not use this file except in compliance
00012  * with the License.  You may obtain a copy of the License at
00013  *
00014  *   http://www.apache.org/licenses/LICENSE-2.0
00015  *
00016  * Unless required by applicable law or agreed to in writing,
00017  * software distributed under the License is distributed on an
00018  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
00019  * KIND, either express or implied.  See the License for the
00020  * specific language governing permissions and limitations
00021  * under the License.
00022  *
00023  */
00024 
00025 #include "qpid/Exception.h"
00026 #include "qpid/CommonImportExport.h"
00027 #include "qpid/sys/IntegerTypes.h"
00028 
00029 #include <string>
00030 
00031 namespace qpid {
00032 namespace framing {
00033 
00034 struct QPID_COMMON_CLASS_EXTERN OutOfBounds : qpid::Exception {
00035     OutOfBounds() : qpid::Exception(std::string("Out of Bounds")) {}
00036 };
00037 
00038 class Content;
00039 class FieldTable;
00040 
00041 class QPID_COMMON_CLASS_EXTERN Buffer
00042 {
00043     uint32_t size;
00044     char* data;
00045     uint32_t position;
00046 
00047   public:
00048     void checkAvailable(uint32_t count) { if (position + count > size) throw OutOfBounds(); }
00049 
00050     QPID_COMMON_EXTERN Buffer(char* data=0, uint32_t size=0);
00051 
00052     QPID_COMMON_EXTERN void reset();
00053 
00054     QPID_COMMON_INLINE_EXTERN uint32_t available() { return size - position; }
00055     QPID_COMMON_INLINE_EXTERN uint32_t getSize() { return size; }
00056     QPID_COMMON_INLINE_EXTERN uint32_t getPosition() { return position; }
00057     QPID_COMMON_INLINE_EXTERN void setPosition(uint32_t p) { position = p; }
00058     QPID_COMMON_INLINE_EXTERN char* getPointer() { return data; }
00059 
00060     QPID_COMMON_EXTERN void putOctet(uint8_t i);
00061     QPID_COMMON_EXTERN void putShort(uint16_t i);
00062     QPID_COMMON_EXTERN void putLong(uint32_t i);
00063     QPID_COMMON_EXTERN void putLongLong(uint64_t i);
00064     QPID_COMMON_EXTERN void putInt8(int8_t i);
00065     QPID_COMMON_EXTERN void putInt16(int16_t i);
00066     QPID_COMMON_EXTERN void putInt32(int32_t i);
00067     QPID_COMMON_EXTERN void putInt64(int64_t i);
00068     QPID_COMMON_EXTERN void putFloat(float f);
00069     QPID_COMMON_EXTERN void putDouble(double f);
00070     QPID_COMMON_EXTERN void putBin128(const uint8_t* b);
00071 
00072     QPID_COMMON_EXTERN uint8_t  getOctet();
00073     QPID_COMMON_EXTERN uint16_t getShort();
00074     QPID_COMMON_EXTERN uint32_t getLong();
00075     QPID_COMMON_EXTERN uint64_t getLongLong();
00076     QPID_COMMON_EXTERN int8_t   getInt8();
00077     QPID_COMMON_EXTERN int16_t  getInt16();
00078     QPID_COMMON_EXTERN int32_t  getInt32();
00079     QPID_COMMON_EXTERN int64_t  getInt64();
00080     QPID_COMMON_EXTERN float    getFloat();
00081     QPID_COMMON_EXTERN double   getDouble();
00082 
00083     template <int n>
00084     QPID_COMMON_EXTERN uint64_t getUInt();
00085 
00086     template <int n>
00087     QPID_COMMON_EXTERN void putUInt(uint64_t);
00088 
00089     QPID_COMMON_EXTERN void putShortString(const std::string& s);
00090     QPID_COMMON_EXTERN void putMediumString(const std::string& s);
00091     QPID_COMMON_EXTERN void putLongString(const std::string& s);
00092     QPID_COMMON_EXTERN void getShortString(std::string& s);
00093     QPID_COMMON_EXTERN void getMediumString(std::string& s);
00094     QPID_COMMON_EXTERN void getLongString(std::string& s);
00095     QPID_COMMON_EXTERN void getBin128(uint8_t* b);
00096 
00097     QPID_COMMON_EXTERN void putRawData(const std::string& s);
00098     QPID_COMMON_EXTERN void getRawData(std::string& s, uint32_t size);
00099 
00100     QPID_COMMON_EXTERN void putRawData(const uint8_t* data, size_t size);
00101     QPID_COMMON_EXTERN void getRawData(uint8_t* data, size_t size);
00102 
00103     template <class T> void put(const T& data) { data.encode(*this); }
00104     template <class T> void get(T& data) { data.decode(*this); }
00105 
00106     QPID_COMMON_EXTERN void dump(std::ostream&) const;
00107 };
00108 
00109 std::ostream& operator<<(std::ostream&, const Buffer&);
00110 
00111 }} // namespace qpid::framing
00112 
00113 
00114 #endif

Qpid C++ API Reference
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