root/trunk/whisperlib/common/base/test/jsonencode_test.cc

// Copyright (c) 2009, Whispersoft s.r.l.
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// Author: Catalin Popescu
//
// Performance test for JsonEncode
//
//

#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

#include "common/base/log.h"
#include "common/base/strutil.h"
#include "common/base/system.h"

DEFINE_string(infile,
              "",
              "Convert text from this file");
DEFINE_int32(piece_size,
             100,
             "Convert in pieces of this size");

DEFINE_bool(dump,
            false,
            "Dump what we read ?");

int main(int argc, char* argv[]) {
  common::Init(argc, argv);
  const int fd = ::open(FLAGS_infile.c_str(), O_RDONLY | O_LARGEFILE);
  CHECK_GE(fd, 0) << " Cannot open: " << FLAGS_infile;

  char* const buffer = new char[FLAGS_piece_size];
  do {
    const int cb = ::read(fd, buffer, FLAGS_piece_size - 1);
    buffer[cb] = '\0';
    if ( cb <= 0 ) {
      return 0;
    }
    string out(strutil::JsonStrEscape(buffer, cb));
    if ( FLAGS_dump ) {
      printf("%s\n", out.c_str());
    }
  } while ( true );
  return 1;
}