// file : tests/string-parser/driver.cxx -*- C++ -*- // license : MIT; see accompanying LICENSE file #include <string> #include <vector> #include <iostream> #include <libbutl/utility.hxx> // operator<<(ostream,exception) #include <libbutl/string-parser.hxx> #undef NDEBUG #include <cassert> using namespace std; using namespace butl::string_parser; // Usage: argv[0] [-l] [-u] [-p] // // Read and parse lines into strings from STDIN and print them to STDOUT. // // -l output each string on a separate line // -u unquote strings // -p output positions // int main (int argc, char* argv[]) try { bool spl (false); // Print string per line. bool unquote (false); bool pos (false); for (int i (1); i != argc; ++i) { string o (argv[i]); if (o == "-l") spl = true; else if (o == "-u") unquote = true; else if (o == "-p") pos = true; else assert (false); } // Do not throw when eofbit is set (end of stream reached), and when failbit // is set (getline() failed to extract any character). // cin.exceptions (ios::badbit); cout.exceptions (ios::failbit | ios::badbit); string l; while (getline (cin, l)) { vector<pair<string, size_t>> v (parse_quoted_position (l, unquote)); if (!spl) { for (auto b (v.cbegin ()), i (b), e (v.cend ()); i != e; ++i) { if (i != b) cout << ' '; if (pos) cout << i->second << ":"; cout << i->first; } cout << endl; } else { for (const auto& s: v) { if (pos) cout << s.second << ":"; cout << s.first << endl; } } } return 0; } catch (const invalid_string& e) { cerr << e.position << ": " << e << endl; return 1; }