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// file : bpkg/types-parsers.txx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
namespace bpkg
{
namespace cli
{
template <const char* const* Q, typename V>
void parser<qualified_option<Q, V>>::
parse (qualified_option<Q, V>& x, bool& xs, scanner& s)
{
xs = true;
const char* o (s.next ());
if (!s.more ())
throw missing_value (o);
string v (s.next ());
// Extract the qualifier from the option value.
//
string qv;
size_t n (v.find (':'));
if (n != string::npos)
{
const char* const* q (Q);
for (; *q != nullptr; ++q)
{
if (v.compare (0, n, *q) == 0)
{
qv = *q;
v = string (v, n + 1);
break;
}
}
// Fail it the qualifier is not recognized, unless it is a special
// empty qualifier.
//
if (*q == nullptr && n != 0)
throw invalid_value (o, v);
}
// Parse the value for the extracted (possibly empty) qualifier.
//
int ac (2);
char* av[] = {const_cast<char*> (o), const_cast<char*> (v.c_str ())};
bool dummy;
{
argv_scanner s (0, ac, av);
parser<V>::parse (x[qv], dummy, s);
}
// Parse an unqualified value for all qualifiers.
//
if (qv.empty ())
{
for (const char* const* q (Q); *q != nullptr; ++q)
{
argv_scanner s (0, ac, av);
parser<V>::parse (x[*q], dummy, s);
}
}
}
template <const char* const* Q, typename V>
void parser<qualified_option<Q, V>>::
merge (qualified_option<Q, V>& b, const qualified_option<Q, V>& a)
{
for (const auto& o: a)
{
auto i (b.find (o.first));
if (i != b.end ())
i->second = o.second;
else
b.emplace (o.first, o.second);
}
}
}
}
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