diff options
Diffstat (limited to '3rdParty/Boost/src/boost/program_options/positional_options.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/program_options/positional_options.hpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/program_options/positional_options.hpp b/3rdParty/Boost/src/boost/program_options/positional_options.hpp new file mode 100644 index 0000000..01406e0 --- /dev/null +++ b/3rdParty/Boost/src/boost/program_options/positional_options.hpp @@ -0,0 +1,65 @@ +// Copyright Vladimir Prus 2004. +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt +// or copy at http://www.boost.org/LICENSE_1_0.txt) + +#ifndef BOOST_PROGRAM_OPTIONS_POSITIONAL_OPTIONS_VP_2004_03_02 +#define BOOST_PROGRAM_OPTIONS_POSITIONAL_OPTIONS_VP_2004_03_02 + +#include <boost/program_options/config.hpp> + +#include <vector> +#include <string> + +namespace boost { namespace program_options { + + /** Describes positional options. + + The class allows to guess option names for positional options, which + are specified on the command line and are identified by the position. + The class uses the information provided by the user to associate a name + with every positional option, or tell that no name is known. + + The primary assumption is that only the relative order of the + positional options themselves matters, and that any interleaving + ordinary options don't affect interpretation of positional options. + + The user initializes the class by specifying that first N positional + options should be given the name X1, following M options should be given + the name X2 and so on. + */ + class BOOST_PROGRAM_OPTIONS_DECL positional_options_description { + public: + positional_options_description(); + + /** Species that up to 'max_count' next positional options + should be given the 'name'. The value of '-1' means 'unlimited'. + No calls to 'add' can be made after call with 'max_value' equal to + '-1'. + */ + positional_options_description& + add(const char* name, int max_count); + + /** Returns the maximum number of positional options that can + be present. Can return (numeric_limits<unsigned>::max)() to + indicate unlimited number. */ + unsigned max_total_count() const; + + /** Returns the name that should be associated with positional + options at 'position'. + Precondition: position < max_total_count() + */ + const std::string& name_for_position(unsigned position) const; + + private: + // List of names corresponding to the positions. If the number of + // positions is unlimited, then the last name is stored in + // m_trailing; + std::vector<std::string> m_names; + std::string m_trailing; + }; + +}} + +#endif + |