src/BufferWrite.hh

   1 /*
   2         Buffer for writing
   3 */
   4
   5 #pragma once
   6
   7 #include <fcntl.h>
   8 #include <stdio.h>
   9 #include <sys/stat.h>
  10 #include <unistd.h>
  11
  12 #include <string>
  13
  14 #include "DoubleToString.hh"
  15 //#include "Components.hh"
  16
  17 class BufferWrite
  18 {
  19 private:
  20     char* postbuffer;  // just after buffer
  21     char* buffer;
  22     char* phead;
  23     int fn;
  24     uint32_t BUFFER_SIZE     = 32768;  // 32K
  25     uint32_t POSTBUFFER_SIZE = 256;
  26     void flushOnlyBuffer();
  27
  28 public:
  29     void writeG0(double x, double y);
  30     void writeG1(double x, double y, double e);
  31     void flush();
  32
  33     BufferWrite(std::string& fileTarget);
  34     ~BufferWrite();
  35     friend BufferWrite& operator<<(BufferWrite& buf, const char* ch);
  36     friend BufferWrite& operator<<(BufferWrite& buf, char ch);
  37     friend BufferWrite& operator<<(BufferWrite& buf, std::string& str);
  38     friend BufferWrite& operator<<(BufferWrite& buf, double val);
  39 };