NeoPZ
TPZCircBufferedStream.h
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1 #ifndef TPZCIRCBUFFEREDSTREAM_H
2 #define TPZCIRCBUFFEREDSTREAM_H
3 #include "TPZStream.h"
4 #include <sstream>
5 
6 #ifdef _AUTODIFF
7 #include "fad.h"
8 #include "tfad.h"
9 #endif
10 
14 class TPZCircBufferedStream : public TPZStream {
15  public:
19  TPZCircBufferedStream();
20 
27  TPZCircBufferedStream(const TPZStream &readBuffer);
28 
32  ~TPZCircBufferedStream();
33 
41  TPZCircBufferedStream &operator=(const TPZCircBufferedStream &other);
42 
50  virtual TPZCircBufferedStream &operator<<(TPZCircBufferedStream &other);
51 
59  virtual TPZCircBufferedStream &operator<<(const TPZCircBufferedStream &other);
60 
64  void Print();
65 
72  void GetDataFromBuffer(char *dest) const{
73  ConstReadFromBuffer(dest, fSize);
74  }
75 
76  using TPZStream::Write;
77  virtual void Write(const int *p, int howMany);
78  virtual void Write(const unsigned int *p, int howMany);
79  virtual void Write(const uint64_t *p, int howMany);
80  virtual void Write(const int64_t *p, int howMany);
81  virtual void Write(const float *p, int howMany);
82  virtual void Write(const double *p, int howMany);
83  virtual void Write(const unsigned char *p, int howMany);
84  virtual void Write(const char *p, int howMany);
85  virtual void Write(const std::complex<float> *p, int howMany);
86  virtual void Write(const std::complex<double> *p, int howMany);
87 
88 #ifdef _AUTODIFF
89  virtual void Write(const TFad<1,REAL> *p, int howMany);
90  virtual void Write(const TFad<6,REAL> *p, int howMany);
91  virtual void Write(const TFad<8,REAL> *p, int howMany);
92  virtual void Write(const TFad<9,REAL> *p, int howMany);
93  virtual void Write(const TFad<10,REAL> *p, int howMany);
94  virtual void Write(const TFad<14,REAL> *p, int howMany);
95  virtual void Write(const Fad<float> *p, int howMany);
96  virtual void Write(const Fad<double> *p, int howMany);
97 #endif
98 
99  using TPZStream::Read;
100  virtual void Read(int *p, int howMany);
101  virtual void Read(unsigned int *p, int howMany);
102  virtual void Read(uint64_t *p, int howMany);
103  virtual void Read(int64_t *p, int howMany);
104  virtual void Read(float *p, int howMany);
105  virtual void Read(double *p, int howMany);
106  virtual void Read(long double *p, int howMany);
107  virtual void Read(unsigned char *p, int howMany);
108  virtual void Read(char *p, int howMany);
109  virtual void Read(std::complex<float> *p, int howMany);
110  virtual void Read(std::complex<double> *p, int howMany);
111 
112 #ifdef _AUTODIFF
113  virtual void Read(TFad<1,REAL> *p, int howMany);
114  virtual void Read(TFad<6,REAL> *p, int howMany);
115  virtual void Read(TFad<8,REAL> *p, int howMany);
116  virtual void Read(TFad<9,REAL> *p, int howMany);
117  virtual void Read(TFad<10,REAL> *p, int howMany);
118  virtual void Read(TFad<14,REAL> *p, int howMany);
119  virtual void Read(Fad<float> *p, int howMany);
120  virtual void Read(Fad<double> *p, int howMany);
121 #endif
122 
123  protected:
130  virtual void ReadFromBuffer(char *dest, const size_t &nBytes);
131 
140  virtual void ConstRead(char *dest, const size_t &nBytes) const;
141 
148  virtual void WriteToBuffer(const char *source, const size_t &nBytes);
149 
150  private:
151  char *fBuffer;
152 
153  char *fFirst;
154 
155  char *fLast;
156 
157  size_t fNAllocatedBytes;
158 
159  size_t fSize;
160 
167  virtual void ConstReadFromBuffer(char *dest, const size_t &nBytes) const;
168 
169  template <class T> void ReadData(T *p, int howMany);
170 
171  template <class T> void WriteData(const T *p, int howMany);
172 
173  static const size_t MIN_SIZE_INCREMENT = size_t(1);
174 };
175 
176 template <typename T>
177 void TPZCircBufferedStream::ReadData(T *p, int howMany) {
178  ReadFromBuffer(reinterpret_cast<char *> (p), howMany * sizeof (T));
179 }
180 
181 template <typename T>
182 void TPZCircBufferedStream::WriteData(const T *p, int howMany) {
183  WriteToBuffer(reinterpret_cast<const char *> (p), howMany * sizeof (T));
184 }
185 
186 template void TPZCircBufferedStream::WriteData(const int *, int howMany);
187 template void TPZCircBufferedStream::WriteData(const unsigned int* p, int howMany);
188 template void TPZCircBufferedStream::WriteData(const uint64_t *p, int howMany);
189 template void TPZCircBufferedStream::WriteData(const int64_t *p, int howMany);
190 template void TPZCircBufferedStream::WriteData(const float *p, int howMany);
191 template void TPZCircBufferedStream::WriteData(const double *p, int howMany);
192 template void TPZCircBufferedStream::WriteData(const char *p, int howMany);
193 template void TPZCircBufferedStream::WriteData(const std::complex<float> *p, int howMany);
194 template void TPZCircBufferedStream::WriteData(const std::complex<double> *p, int howMany);
195 
196 #ifdef _AUTODIFF
197 template void TPZCircBufferedStream::WriteData(const TFad<1,REAL> *p, int howMany);
198 template void TPZCircBufferedStream::WriteData(const TFad<6,REAL> *p, int howMany);
199 template void TPZCircBufferedStream::WriteData(const TFad<8,REAL> *p, int howMany);
200 template void TPZCircBufferedStream::WriteData(const TFad<9,REAL> *p, int howMany);
201 template void TPZCircBufferedStream::WriteData(const TFad<10,REAL> *p, int howMany);
202 template void TPZCircBufferedStream::WriteData(const TFad<14,REAL> *p, int howMany);
203 template void TPZCircBufferedStream::WriteData(const Fad<float> *p, int howMany);
204 template void TPZCircBufferedStream::WriteData(const Fad<double> *p, int howMany);
205 #endif
206 
207 template void TPZCircBufferedStream::ReadData(int *p, int howMany);
208 template void TPZCircBufferedStream::ReadData(unsigned int *p, int howMany);
209 template void TPZCircBufferedStream::ReadData(uint64_t *p, int howMany);
210 template void TPZCircBufferedStream::ReadData(int64_t *p, int howMany);
211 template void TPZCircBufferedStream::ReadData(float *p, int howMany);
212 template void TPZCircBufferedStream::ReadData(double *p, int howMany);
213 template void TPZCircBufferedStream::ReadData(char *p, int howMany);
214 template void TPZCircBufferedStream::ReadData(std::complex<float> *p, int howMany);
215 template void TPZCircBufferedStream::ReadData(std::complex<double> *p, int howMany);
216 
217 #ifdef _AUTODIFF
218 template void TPZCircBufferedStream::ReadData(TFad<1,REAL> *p, int howMany);
219 template void TPZCircBufferedStream::ReadData(TFad<6,REAL> *p, int howMany);
220 template void TPZCircBufferedStream::ReadData(TFad<8,REAL> *p, int howMany);
221 template void TPZCircBufferedStream::ReadData(TFad<9,REAL> *p, int howMany);
222 template void TPZCircBufferedStream::ReadData(TFad<10,REAL> *p, int howMany);
223 template void TPZCircBufferedStream::ReadData(TFad<14,REAL> *p, int howMany);
224 template void TPZCircBufferedStream::ReadData(Fad<float> *p, int howMany);
225 template void TPZCircBufferedStream::ReadData(Fad<double> *p, int howMany);
226 #endif
227 
228 #endif // TPZCIRCBUFFEREDSTREAM_H
TPZCircBufferedStream::TPZCircBufferedStream
TPZCircBufferedStream()
Creates a bidirectional buffer.
Definition: TPZCircBufferedStream.cpp:7
TPZCircBufferedStream::Print
void Print()
Prints buffer info and data.
Definition: TPZCircBufferedStream.cpp:154
TPZCircBufferedStream::ConstRead
virtual void ConstRead(char *dest, const size_t &nBytes) const
Reads from buffer WITHOUT consuming it. Unless it is still reading from its underlying stream...
Definition: TPZCircBufferedStream.cpp:85
Fad
Definition: fad.h:54
TPZCircBufferedStream::GetDataFromBuffer
void GetDataFromBuffer(char *dest) const
Get all buffer data to a char* in a contiguous manner. May be interesting if one needs to this data t...
Definition: TPZCircBufferedStream.h:72
TPZCircBufferedStream::ConstReadFromBuffer
virtual void ConstReadFromBuffer(char *dest, const size_t &nBytes) const
Reads from buffer WITHOUT consuming it.
Definition: TPZCircBufferedStream.cpp:89
TPZCircBufferedStream::~TPZCircBufferedStream
~TPZCircBufferedStream()
Destroys the object.
Definition: TPZCircBufferedStream.cpp:34
TPZStream::Write
virtual void Write(const bool val)
Definition: TPZStream.cpp:8
TPZCircBufferedStream::ReadFromBuffer
virtual void ReadFromBuffer(char *dest, const size_t &nBytes)
Reads from buffer.
Definition: TPZCircBufferedStream.cpp:55
TFad
Definition: tfad.h:64
TPZCircBufferedStream
Class for creating a bidirectional circular buffer.
Definition: TPZCircBufferedStream.h:14
TPZCircBufferedStream::WriteData
void WriteData(const T *p, int howMany)
Definition: TPZCircBufferedStream.h:182
TPZCircBufferedStream::Read
virtual void Read(int *p, int howMany)
Definition: TPZCircBufferedStream.cpp:242
TPZCircBufferedStream::operator<<
virtual TPZCircBufferedStream & operator<<(TPZCircBufferedStream &other)
It reads all data in a buffer, consuming it.
Definition: TPZCircBufferedStream.cpp:36
TPZCircBufferedStream::WriteToBuffer
virtual void WriteToBuffer(const char *source, const size_t &nBytes)
Writes to buffer.
Definition: TPZCircBufferedStream.cpp:116
TPZCircBufferedStream::MIN_SIZE_INCREMENT
static const size_t MIN_SIZE_INCREMENT
Definition: TPZCircBufferedStream.h:173
TPZCircBufferedStream::Write
virtual void Write(const int *p, int howMany)
Definition: TPZCircBufferedStream.cpp:166
TPZCircBufferedStream::operator=
TPZCircBufferedStream & operator=(const TPZCircBufferedStream &other)
Assingment operator. Both buffers will have the same underlying stream, so this must be used with car...
Definition: TPZCircBufferedStream.cpp:22
TPZStream.h
Contains declaration of the abstract TPZStream class. TPZStream defines the interface for saving and ...
TPZStream
Defines the interface for saving and reading data. Persistency.
Definition: TPZStream.h:50
TPZCircBufferedStream::ReadData
void ReadData(T *p, int howMany)
Definition: TPZCircBufferedStream.h:177
TPZStream::Read
virtual void Read(bool &val)
Definition: TPZStream.cpp:91
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