00001 /* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2011, Southwest Research Institute 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions are met: 00009 * 00010 * * Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * * Redistributions in binary form must reproduce the above copyright 00013 * notice, this list of conditions and the following disclaimer in the 00014 * documentation and/or other materials provided with the distribution. 00015 * * Neither the name of the Southwest Research Institute, nor the names 00016 * of its contributors may be used to endorse or promote products derived 00017 * from this software without specific prior written permission. 00018 * 00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00021 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00022 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00023 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00024 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00025 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00026 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00027 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00028 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00029 * POSSIBILITY OF SUCH DAMAGE. 00030 */ 00031 00032 #ifndef BYTE_ARRAY_H 00033 #define BYTE_ARRAY_H 00034 00035 #ifndef FLATHEADERS 00036 #include "simple_message/shared_types.h" 00037 #else 00038 #include "shared_types.h" 00039 #endif 00040 00041 #include "string.h" 00042 00043 namespace industrial 00044 { 00045 namespace simple_serialize 00046 { 00047 // Class declaration required for function prototypes below 00048 class SimpleSerialize; 00049 } 00050 } 00051 00052 namespace industrial 00053 { 00054 namespace byte_array 00055 { 00056 00077 class ByteArray 00078 { 00079 public: 00080 00081 // Provides SimpleSerialize access to byte array internals 00082 friend class SimpleSerialize; 00083 00090 ByteArray(void); 00091 00096 ~ByteArray(void); 00097 00104 void init(); 00105 00119 bool init(const char* buffer, const industrial::shared_types::shared_int byte_size); 00120 00130 void copyFrom(ByteArray & buffer); 00131 00140 bool load(industrial::shared_types::shared_bool value); 00141 00152 bool load(industrial::shared_types::shared_real value); 00153 00163 bool load(industrial::shared_types::shared_int value); 00164 00173 bool load(industrial::simple_serialize::SimpleSerialize &value); 00174 00183 bool load(ByteArray &value); 00184 00195 bool load(void* value, const industrial::shared_types::shared_int byte_size); 00196 00204 bool unload(industrial::shared_types::shared_bool &value); 00205 00214 bool unload(industrial::shared_types::shared_real &value); 00215 00224 bool unload(industrial::shared_types::shared_int &value); 00225 00233 bool unload(industrial::simple_serialize::SimpleSerialize &value); 00234 00244 bool unload(ByteArray &value, const industrial::shared_types::shared_int byte_size); 00245 00255 bool unload(void* value, const industrial::shared_types::shared_int byteSize); 00256 00267 bool unloadFront(industrial::shared_types::shared_real &value); 00268 00279 bool unloadFront(industrial::shared_types::shared_int &value); 00280 00292 bool unloadFront(void* value, const industrial::shared_types::shared_int byteSize); 00293 00306 char* getRawDataPtr(); 00307 00313 unsigned int getBufferSize(); 00314 00320 unsigned int getMaxBufferSize(); 00321 00329 static bool isByteSwapEnabled(); 00330 00331 private: 00340 static const industrial::shared_types::shared_int MAX_SIZE = 1024; 00341 00345 char buffer_[MAX_SIZE]; 00346 00350 industrial::shared_types::shared_int buffer_size_; 00351 00352 #ifdef BYTE_SWAPPING 00353 00360 void swap(void *value, industrial::shared_types::shared_int byteSize); 00361 #endif 00362 00370 bool setBufferSize(const industrial::shared_types::shared_int size); 00371 00379 bool extendBufferSize(const industrial::shared_types::shared_int size); 00380 00388 bool shortenBufferSize(industrial::shared_types::shared_int size); 00389 00397 char* getLoadPtr(); 00398 00407 char* getUnloadPtr(const industrial::shared_types::shared_int num_bytes); 00408 00409 }; 00410 00411 } // namespace industrial 00412 } // namespace byte_array 00413 00414 #endif //BYTE_ARRAY_H