diff options
Diffstat (limited to 'libbuild2/b-options.cxx')
-rw-r--r-- | libbuild2/b-options.cxx | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libbuild2/b-options.cxx b/libbuild2/b-options.cxx index 1fa801a..9cdfd1b 100644 --- a/libbuild2/b-options.cxx +++ b/libbuild2/b-options.cxx @@ -233,6 +233,66 @@ namespace build2 } }; + template <typename K, typename V, typename C> + struct parser<std::multimap<K, V, C> > + { + static void + parse (std::multimap<K, V, C>& m, bool& xs, scanner& s) + { + const char* o (s.next ()); + + if (s.more ()) + { + std::size_t pos (s.position ()); + std::string ov (s.next ()); + std::string::size_type p = ov.find ('='); + + K k = K (); + V v = V (); + std::string kstr (ov, 0, p); + std::string vstr (ov, (p != std::string::npos ? p + 1 : ov.size ())); + + int ac (2); + char* av[] = + { + const_cast<char*> (o), + 0 + }; + + bool dummy; + if (!kstr.empty ()) + { + av[1] = const_cast<char*> (kstr.c_str ()); + argv_scanner s (0, ac, av, false, pos); + parser<K>::parse (k, dummy, s); + } + + if (!vstr.empty ()) + { + av[1] = const_cast<char*> (vstr.c_str ()); + argv_scanner s (0, ac, av, false, pos); + parser<V>::parse (v, dummy, s); + } + + m.insert (typename std::multimap<K, V, C>::value_type (k, v)); + } + else + throw missing_value (o); + + xs = true; + } + + static void + merge (std::multimap<K, V, C>& b, const std::multimap<K, V, C>& a) + { + for (typename std::multimap<K, V, C>::const_iterator i (a.begin ()); + i != a.end (); + ++i) + b.insert (typename std::multimap<K, V, C>::value_type (i->first, + i->second)); + } + }; + template <typename X, typename T, T X::*M> void thunk (X& x, scanner& s) |