1 files changed, 31 insertions, 0 deletions
diff --git a/fesvr/option_parser.h b/fesvr/option_parser.h
new file mode 100644
index 0000000..b2cb8ed
--- /dev/null
+++ b/fesvr/option_parser.h
@@ -0,0 +1,31 @@
+// See LICENSE for license details.
+
+#ifndef _OPTION_PARSER_H
+#define _OPTION_PARSER_H
+
+#include <vector>
+#include <functional>
+
+class option_parser_t
+{
+ public:
+  option_parser_t() : helpmsg(0) {}
+  void help(void (*helpm)(void)) { helpmsg = helpm; }
+  void option(char c, const char* s, int arg, std::function<void(const char*)> action);
+  const char* const* parse(const char* const* argv0);
+ private:
+  struct option_t
+  {
+    char chr;
+    const char* str;
+    int arg;
+    std::function<void(const char*)> func;
+    option_t(char chr, const char* str, int arg, std::function<void(const char*)> func)
+     : chr(chr), str(str), arg(arg), func(func) {}
+  };
+  std::vector<option_t> opts;
+  void (*helpmsg)(void);
+  void error(const char* msg, const char* argv0, const char* arg);
+};
+
+#endif