1 files changed, 110 insertions, 0 deletions
diff --git a/project2/common/options.cpp b/project2/common/options.cpp
new file mode 100644
index 0000000..a99c78e
--- /dev/null
+++ b/project2/common/options.cpp
@@ -0,0 +1,110 @@
+#include <pch.hpp>
+#include "options.h"
+#include "environment.h"
+#include <boost/foreach.hpp>
+
+class NamedOption : public Options::Option {
+	public:
+		NamedOption(Glib::ustring const & n, Options::TargetPtr t, Glib::ustring const & d) :
+			name(n),
+			target(t),
+			desc(d)
+		{
+		}
+		void consume(const Glib::ustring & n, const Glib::ustring & p, const Glib::ustring & v) const {
+			if (n == name) {
+				target->consume(p, v);
+			}
+		}
+		void reset() const {
+			target->reset();
+		}
+
+		const Glib::ustring name;
+		const Options::TargetPtr target;
+		const Glib::ustring desc;
+};
+
+class OptionAlias : public Options::Option {
+	public:
+		OptionAlias(const Glib::ustring & a, Options::TargetPtr t) :
+			alias(a),
+			target(t)
+		{
+		}
+		void consume(const Glib::ustring & a, const Glib::ustring & p, const Glib::ustring & v) const {
+			if (a == alias) {
+				target->consume(p, v);
+			}
+		}
+		void reset() const {
+			target->reset();
+		}
+		const Glib::ustring alias;
+		const Options::TargetPtr target;
+};
+
+Options::Options(Glib::ustring const&)
+{
+}
+
+Options &
+Options::operator()(const Glib::ustring & n, TargetPtr t, const Glib::ustring & d)
+{
+	options.push_back(new NamedOption(n, t, d));
+	return *this;
+}
+
+Options &
+Options::operator()(const Glib::ustring & a)
+{
+	for (OptionList::const_reverse_iterator i = options.rbegin(); i != options.rend(); i++) {
+		if (const NamedOption * no = dynamic_cast<const NamedOption *>(i->get())) {
+			options.push_back(new OptionAlias(a, no->target));
+			break;
+		}
+	}
+	return *this;
+}
+
+Options &
+Options::operator()(OptionPtr o)
+{
+	options.push_back(o);
+	return *this;
+}
+
+void
+Options::reset() const
+{
+	BOOST_FOREACH(const OptionPtr & o, options) {
+		o->reset();
+	}
+}
+
+void
+Options::consume(const Glib::ustring & n, const Glib::ustring & p, const Glib::ustring & v) const
+{
+	BOOST_FOREACH(const OptionPtr & o, options) {
+		o->consume(n, p, v);
+	}
+}
+
+Options::InstanceTarget::InstanceTarget() :
+	ts(Default)
+{
+}
+
+void
+Options::InstanceTarget::consume(const Glib::ustring & p, const Glib::ustring & v) const
+{
+	if (ts != Platform && p.empty()) {
+		assign(v);
+		ts = Global;
+	}
+	else if (!p.empty() && p == Environment::getCurrent()->platform()) {
+		assign(v);
+		ts = Platform;
+	}
+}
+