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// 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] [-c]
//
// 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
// -c comments
//
int
main (int argc, char* argv[])
try
{
bool spl (false); // Print string per line.
bool unquote (false);
bool pos (false);
bool comments (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 if (o == "-c")
comments = 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);
auto print = [spl, pos] (const vector<pair<string, size_t>>& v)
{
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;
}
}
};
if (!comments)
{
string l;
while (getline (cin, l))
print (parse_quoted_position (l, unquote));
}
else
{
string s;
getline (cin, s, '\0');
print (parse_quoted_position (s, unquote, true /* comments */));
}
return 0;
}
catch (const invalid_string& e)
{
cerr << e.position << ": " << e << endl;
return 1;
}
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