MyBuffer.cpp

00001 
00002 /**
00003  * @file    Buffer.cpp
00004  * @brief   Software Buffer - Templated Ring Buffer for most data types
00005  * @author  sam grove
00006  * @version 1.0
00007  * @see     
00008  *
00009  * Copyright (c) 2013
00010  *
00011  * Licensed under the Apache License, Version 2.0 (the "License");
00012  * you may not use this file except in compliance with the License.
00013  * You may obtain a copy of the License at
00014  *
00015  *     http://www.apache.org/licenses/LICENSE-2.0
00016  *
00017  * Unless required by applicable law or agreed to in writing, software
00018  * distributed under the License is distributed on an "AS IS" BASIS,
00019  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00020  * See the License for the specific language governing permissions and
00021  * limitations under the License.
00022  */
00023  
00024 #include "MyBuffer.h"
00025 
00026 template <class T>
00027 MyBuffer<T>::MyBuffer(uint32_t size)
00028 {
00029     _buf = new T [size];
00030     _size = size;
00031     clear();
00032     
00033     return;
00034 }
00035 
00036 template <class T>
00037 MyBuffer<T>::~MyBuffer()
00038 {
00039     delete [] _buf;
00040     
00041     return;
00042 }
00043 
00044 template <class T>
00045 uint32_t MyBuffer<T>::getSize() 
00046 { 
00047     return this->_size; 
00048 }
00049 
00050 template <class T>
00051     uint32_t MyBuffer<T>::getNbAvailable()
00052 {
00053     if ( _wloc >= _rloc) return (_wloc - _rloc);
00054     else return (_size - _rloc + _wloc);
00055 }
00056 
00057 template <class T>
00058 void MyBuffer<T>::clear(void)
00059 {
00060     _wloc = 0;
00061     _rloc = 0;
00062     memset(_buf, 0, _size);
00063     
00064     return;
00065 }
00066 
00067 template <class T>
00068 uint32_t MyBuffer<T>::peek(char c)
00069 {
00070     return 1;
00071 }
00072 
00073 // make the linker aware of some possible types
00074 template class MyBuffer<uint8_t>;
00075 template class MyBuffer<int8_t>;
00076 template class MyBuffer<uint16_t>;
00077 template class MyBuffer<int16_t>;
00078 template class MyBuffer<uint32_t>;
00079 template class MyBuffer<int32_t>;
00080 template class MyBuffer<uint64_t>;
00081 template class MyBuffer<int64_t>;
00082 template class MyBuffer<char> ;
00083 template class MyBuffer<wchar_t>;