1 files changed, 32 insertions, 0 deletions
diff --git a/ParserFactory.cpp b/ParserFactory.cpp
new file mode 100644
index 0000000..49c4d00
--- /dev/null
+++ b/ParserFactory.cpp
@@ -0,0 +1,32 @@
+#include <algorithm>
+
+#include "ParserFactory.h"
+#include "Exception.h"
+
+void ParserFactory::parse(FileReader & file, MuseumDeserializer & deserializer) {
+	auto & col = ParserFactory::get_collection();
+	if (col.size() < 1)
+		throw Exception("no parsers registered");
+
+	unsigned int best_score = 0;
+	Parser * best_strategy = nullptr;
+	for (Parser * strategy : col) {
+		unsigned int score = strategy->heuristic(file);
+		if (score <= best_score) continue;
+
+		best_score = score;
+		best_strategy = strategy;
+	}
+
+	if (best_strategy == nullptr)
+		throw Exception("unknown file type");
+
+	best_strategy->parse(file, deserializer);
+}
+
+void ParserFactory::register_strategy(Parser * ps) {
+	auto & col = ParserFactory::get_collection();
+	if (std::find(col.begin(), col.end(), ps) != col.end()) return;
+	col.push_back(ps);
+}
+