StringSet.cpp

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//***************************************************************************
//
// File:
//   StringSet.cpp
//
// Purpose:
//   implement I/O for StringSet abstraction used by hpcprof/hpcprof-mpi
//
// Description:
//   fmt_fread: read a string set from a file stream
//   fmt_fwrite: write a string set to a file stream
//
//***************************************************************************

//***************************************************************************
// system include files
//***************************************************************************

#include <iostream>



//***************************************************************************
// local include files
//***************************************************************************

#include "StringSet.hpp"
#include <lib/prof-lean/hpcfmt.h>



//***************************************************************************
// interface functions
//***************************************************************************

int
StringSet::fmt_fread
(
 StringSet* &stringSet,  // result set read from stream
 FILE* infs                    // input file stream
)
{
  int result; 

  stringSet = new StringSet;

  // ------------------------------------------------------------------
  // read string set size
  // ------------------------------------------------------------------
  uint64_t size = 0;

  result = hpcfmt_int8_fread(&size, infs);
  if (result != HPCFMT_OK) return result;

  // ------------------------------------------------------------------
  // read strings in string set
  // ------------------------------------------------------------------
  for (size_t i = 0; i < size; i++) {
    char *cstr = NULL;

    int result = hpcfmt_str_fread(&cstr, infs, malloc);
    if (result != HPCFMT_OK) return result;

    std::string str = cstr;
    free(cstr);

    stringSet->insert(str);
  }

  return HPCFMT_OK;
}


int
StringSet::fmt_fwrite
(
 const StringSet& stringSet,  // input set to write to stream
 FILE* outfs                        // output file stream
)
{
  int result;

  // ------------------------------------------------------------------
  // write string set size
  // ------------------------------------------------------------------
  uint64_t size = stringSet.size();

  result = hpcfmt_int8_fwrite(size, outfs);
  if (result != HPCFMT_OK) return HPCFMT_ERR;

  // ------------------------------------------------------------------
  // write strings in string set
  // ------------------------------------------------------------------
  for (auto s = stringSet.begin(); s != stringSet.end(); s++) {
    result = hpcfmt_str_fwrite((*s).c_str(), outfs);
    if (result != HPCFMT_OK) return HPCFMT_ERR;
  }

  return HPCFMT_OK;
}


void
StringSet::dump
(
 void
)
{
  // ------------------------------------------------------------------
  // dump strings in string set
  // ------------------------------------------------------------------
  std::cerr << "StringSet (" << this << ")" << std::endl;
  for (auto s = begin(); s != end(); s++) {
    std::cerr << "\t" << *s << std::endl;
  }

}