external/bsd/atf/dist/tools/config.hpp

   1 //
   2 // Automated Testing Framework (atf)
   3 //
   4 // Copyright (c) 2007 The NetBSD Foundation, Inc.
   5 // All rights reserved.
   6 //
   7 // Redistribution and use in source and binary forms, with or without
   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
  19 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20 // IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  21 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  23 // GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  25 // IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  26 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  27 // IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 //
  29
  30 #if !defined(TOOLS_CONFIG_HPP)
  31 #define TOOLS_CONFIG_HPP
  32
  33 #include <map>
  34 #include <string>
  35
  36 namespace tools {
  37
  38 namespace config {
  39
  40 //!
  41 //! \brief Gets a build-time configuration variable's value.
  42 //!
  43 //! Given the name of a build-time configuration variable, returns its
  44 //! textual value.  The user is free to override these by setting their
  45 //! corresponding environment variables.  Therefore always use this
  46 //! interface to get the value of these variables.
  47 //!
  48 //! \pre The variable must exist.
  49 //!
  50 const std::string& get(const std::string&);
  51
  52 //!
  53 //! \brief Returns all the build-time configuration variables.
  54 //!
  55 //! Returns a name to value map containing all build-time configuration
  56 //! variables.
  57 //!
  58 const std::map< std::string, std::string >& get_all(void);
  59
  60 //!
  61 //! \brief Checks whether a build-time configuration variable exists.
  62 //!
  63 //! Given the name of a build-time configuration variable, checks
  64 //! whether it is defined and returns a boolean indicating this
  65 //! condition.  The program only has to use this function to sanity-check
  66 //! a variable name provided by the user.  Otherwise it can assume that
  67 //! the variables are defined.
  68 //!
  69 bool has(const std::string&);
  70
  71 } // namespace config
  72
  73 } // namespace tools
  74
  75 #endif // !defined(TOOLS_CONFIG_HPP)