2008-09-27 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

	When error occurs while aria2 is parsing an command-line option, 
print
	the usage of the option.
	* src/Makefile.am
	* src/NameMatchOptionHandler.h
	* src/OptionHandlerException.h
	* src/option_processing.cc

1 files changed, 69 insertions, 0 deletions

diff --git a/src/OptionHandlerException.h b/src/OptionHandlerException.h
new file mode 100644
index 00000000..7302ef80
--- /dev/null
+++ b/src/OptionHandlerException.h
@@ -0,0 +1,69 @@
+/* <!-- copyright */
+/*
+ * aria2 - The high speed download utility
+ *
+ * Copyright (C) 2006 Tatsuhiro Tsujikawa
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * In addition, as a special exception, the copyright holders give
+ * permission to link the code of portions of this program with the
+ * OpenSSL library under certain conditions as described in each
+ * individual source file, and distribute linked combinations
+ * including the two.
+ * You must obey the GNU General Public License in all respects
+ * for all of the code used other than OpenSSL.  If you modify
+ * file(s) with this exception, you may extend this exception to your
+ * version of the file(s), but you are not obligated to do so.  If you
+ * do not wish to do so, delete this exception statement from your
+ * version.  If you delete this exception statement from all source
+ * files in the program, then also delete it here.
+ */
+/* copyright --> */
+#ifndef _D_OPTION_HANDLER_EXCEPTION_H_
+#define _D_OPTION_HANDLER_EXCEPTION_H_
+#include "FatalException.h"
+
+namespace aria2 {
+
+class OptionHandlerException:public FatalException {
+private:
+  std::string _optName;
+protected:
+  virtual SharedHandle<Exception> copy() const
+  {
+    SharedHandle<Exception> e(new OptionHandlerException(*this));
+    return e;
+  }
+public:
+  OptionHandlerException(const std::string& msg, const std::string& optName):
+    FatalException(msg), _optName(optName) {}
+
+  OptionHandlerException(const std::string& msg, const std::string& optName,
+			 const Exception& cause):
+    FatalException(msg, cause), _optName(optName) {}
+
+  OptionHandlerException(const OptionHandlerException& e):
+    FatalException(e),
+    _optName(e._optName) {}
+
+  virtual ~OptionHandlerException() throw() {}
+
+  const std::string& getOptionName() const throw() { return _optName; }
+};
+
+} // namespace aria2
+
+#endif // _D_OPTION_HANDLER_EXCEPTION_EX_H_