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Diffstat (limited to 'utils/cmdline/parser.hpp')
-rw-r--r-- | utils/cmdline/parser.hpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/utils/cmdline/parser.hpp b/utils/cmdline/parser.hpp new file mode 100644 index 000000000000..657fd1f01dd3 --- /dev/null +++ b/utils/cmdline/parser.hpp @@ -0,0 +1,85 @@ +// 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) |