updated to version 2.0

1 files changed, 44 insertions, 0 deletions

diff --git a/option.h b/option.h
new file mode 100644
index 00000000..2e4d7599
--- /dev/null
+++ b/option.h
@@ -0,0 +1,44 @@
+#ifndef _OPTION_H
+#define _OPTION_H
+
+#include <list>
+#include <string>
+#include <exception>
+
+struct option_handler {
+  bool handled;
+  option_handler() : handled(false) {}
+  virtual void operator()(const char * arg = NULL) = 0;
+};
+
+struct option_t {
+  char		   short_opt;
+  std::string	   long_opt;
+  bool		   wants_arg;
+  option_handler * handler;
+
+  option_t() : short_opt(0), wants_arg(false), handler(NULL) {}
+};
+
+class option_error : public std::exception {
+  std::string reason;
+ public:
+  option_error(const std::string& _reason) throw() : reason(_reason) {}
+  virtual ~option_error() throw() {}
+
+  virtual const char* what() const throw() {
+    return reason.c_str();
+  }
+};
+
+void add_option_handler(std::list<option_t>& options, const std::string& label,
+			const std::string& opt_chars, option_handler& option);
+bool process_option(std::list<option_t>& options,
+		    const std::string& opt, const char * arg = NULL);
+void process_arguments(std::list<option_t>& options,
+		       int argc, char ** argv, const bool anywhere,
+		       std::list<std::string>& args);
+void process_environment(std::list<option_t>& options,
+			 char ** envp, const std::string& tag);
+
+#endif // _OPTION_H