external/bsd/atf/dist/atf-c++/detail/expand.hpp

   1 //
   2 // Automated Testing Framework (atf)
   3 //
   4 // Copyright (c) 2007 The NetBSD Foundation, Inc.
   5 // All rights reserved.
   6 //
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   8 // modification, are permitted provided that the following conditions
   9 // are met:
  10 // 1. Redistributions of source code must retain the above copyright
  11 //    notice, this list of conditions and the following disclaimer.
  12 // 2. Redistributions in binary form must reproduce the above copyright
  13 //    notice, this list of conditions and the following disclaimer in the
  14 //    documentation and/or other materials provided with the distribution.
  15 //
  16 // THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  17 // CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  18 // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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  20 // IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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  28 //
  29
  30 #if !defined(_ATF_CXX_EXPAND_HPP_)
  31 #define _ATF_CXX_EXPAND_HPP_
  32
  33 #include <string>
  34 #include <vector>
  35
  36 namespace atf {
  37 namespace expand {
  38
  39 // ------------------------------------------------------------------------
  40 // Free functions.
  41 // ------------------------------------------------------------------------
  42
  43 //!
  44 //! \brief Checks if the given string is a glob pattern.
  45 //!
  46 //! Returns true if the given string is a glob pattern; i.e. if it contains
  47 //! any character that will be expanded by expand_glob.
  48 //!
  49 bool is_glob(const std::string&);
  50
  51 //!
  52 //! \brief Checks if a given string matches a glob pattern.
  53 //!
  54 //! Given a glob pattern and a string, checks whether the former matches
  55 //! the latter.  Returns a boolean indicating this condition.
  56 //!
  57 bool matches_glob(const std::string&, const std::string&);
  58
  59 //!
  60 //! \brief Expands a glob pattern among multiple candidates.
  61 //!
  62 //! Given a glob pattern and a set of candidate strings, checks which of
  63 //! those strings match the glob pattern and returns them.
  64 //!
  65 template< class T >
  66 std::vector< std::string > expand_glob(const std::string& glob,
  67                                        const T& candidates)
  68 {
  69     std::vector< std::string > exps;
  70
  71     for (typename T::const_iterator iter = candidates.begin();
  72          iter != candidates.end(); iter++)
  73         if (matches_glob(glob, *iter))
  74             exps.push_back(*iter);
  75
  76     return exps;
  77 }
  78
  79 } // namespace expand
  80 } // namespace atf
  81
  82 #endif // !defined(_ATF_CXX_EXPAND_HPP_)