esc-test.cpp

   1 #include "esc.hpp"
   2 #include "fs.hpp"
   3 #include "imemstream.hpp"
   4
   5 #include <iostream>
   6 #include <string>
   7
   8 #include <glog/logging.h>
   9
  10 #include <boost/iostreams/device/mapped_file.hpp>
  11
  12 int main(int argc, char* argv[])
  13 {
  14   auto const s0 = "\a\xa0\b\t\n\v\f\r\\";
  15   CHECK_EQ(esc(s0), "\\a\\xa0\\b\\t\\n\\v\\f\\r\\\\");
  16
  17   auto const s1 = "no characters to escape";
  18   CHECK_EQ(esc(s1), s1);
  19
  20   for (auto arg{1}; arg < argc; ++arg) {
  21     fs::path const path{argv[arg]};
  22
  23     auto const body_sz{fs::file_size(path)};
  24     if (!body_sz)
  25       continue;
  26
  27     boost::iostreams::mapped_file_source file_source{};
  28     file_source.open(path);
  29
  30     imemstream  isfile{file_source.data(), file_source.size()};
  31     std::string line;
  32     while (std::getline(isfile, line)) {
  33       if (!isfile.eof())
  34         line += '\n'; // since getline strips the newline
  35       std::cout << esc(line, esc_line_option::multi) << '\n';
  36     }
  37   }
  38 }