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diff --git a/utils/cmdline/parser.hpp b/utils/cmdline/parser.hpp
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+// Copyright 2010 The Kyua Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+//   notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+//   notice, this list of conditions and the following disclaimer in the
+//   documentation and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors
+//   may be used to endorse or promote products derived from this software
+//   without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+/// \file utils/cmdline/parser.hpp
+/// Routines and data types to parse command line options and arguments.
+
+#if !defined(UTILS_CMDLINE_PARSER_HPP)
+#define UTILS_CMDLINE_PARSER_HPP
+
+#include "utils/cmdline/parser_fwd.hpp"
+
+#include <map>
+#include <string>
+#include <vector>
+
+namespace utils {
+namespace cmdline {
+
+
+/// Representation of a parsed command line.
+///
+/// This class is returned by the command line parsing algorithm and provides
+/// methods to query the values of the options and the value of the arguments.
+/// All the values fed into this class can considered to be sane (i.e. the
+/// arguments to the options and the arguments to the command are valid), as all
+/// validation happens during parsing (before this class is instantiated).
+class parsed_cmdline {
+    /// Mapping of option names to all the values provided.
+    std::map< std::string, std::vector< std::string > > _option_values;
+
+    /// Collection of arguments with all options removed.
+    args_vector _arguments;
+
+    const std::vector< std::string >& get_option_raw(const std::string&) const;
+
+public:
+    parsed_cmdline(const std::map< std::string, std::vector< std::string > >&,
+                   const args_vector&);
+
+    bool has_option(const std::string&) const;
+
+    template< typename Option >
+    typename Option::option_type get_option(const std::string&) const;
+
+    template< typename Option >
+    std::vector< typename Option::option_type > get_multi_option(
+        const std::string&) const;
+
+    const args_vector& arguments(void) const;
+};
+
+
+parsed_cmdline parse(const args_vector&, const options_vector&);
+parsed_cmdline parse(const int, const char* const*, const options_vector&);
+
+
+}  // namespace cmdline
+}  // namespace utils
+
+#endif  // !defined(UTILS_CMDLINE_PARSER_HPP)