external/bsd/atf/dist/atf-c++/config.cpp

   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 #include <map>
  31
  32 extern "C" {
  33 #include "atf-c/config.h"
  34 }
  35
  36 #include "config.hpp"
  37
  38 #include "detail/env.hpp"
  39 #include "detail/sanity.hpp"
  40
  41 static std::map< std::string, std::string > m_variables;
  42
  43 //
  44 // Adds all predefined standard build-time variables to the m_variables
  45 // map, considering the values a user may have provided in the environment.
  46 //
  47 // Can only be called once during the program's lifetime.
  48 //
  49 static
  50 void
  51 init_variables(void)
  52 {
  53     PRE(m_variables.empty());
  54
  55     m_variables["atf_build_cc"] = atf_config_get("atf_build_cc");
  56     m_variables["atf_build_cflags"] = atf_config_get("atf_build_cflags");
  57     m_variables["atf_build_cpp"] = atf_config_get("atf_build_cpp");
  58     m_variables["atf_build_cppflags"] = atf_config_get("atf_build_cppflags");
  59     m_variables["atf_build_cxx"] = atf_config_get("atf_build_cxx");
  60     m_variables["atf_build_cxxflags"] = atf_config_get("atf_build_cxxflags");
  61     m_variables["atf_includedir"] = atf_config_get("atf_includedir");
  62     m_variables["atf_libexecdir"] = atf_config_get("atf_libexecdir");
  63     m_variables["atf_pkgdatadir"] = atf_config_get("atf_pkgdatadir");
  64     m_variables["atf_shell"] = atf_config_get("atf_shell");
  65     m_variables["atf_workdir"] = atf_config_get("atf_workdir");
  66
  67     POST(!m_variables.empty());
  68 }
  69
  70 const std::string&
  71 atf::config::get(const std::string& varname)
  72 {
  73     if (m_variables.empty())
  74         init_variables();
  75
  76     PRE(has(varname));
  77     return m_variables[varname];
  78 }
  79
  80 const std::map< std::string, std::string >&
  81 atf::config::get_all(void)
  82 {
  83     if (m_variables.empty())
  84         init_variables();
  85
  86     return m_variables;
  87 }
  88
  89 bool
  90 atf::config::has(const std::string& varname)
  91 {
  92     if (m_variables.empty())
  93         init_variables();
  94
  95     return m_variables.find(varname) != m_variables.end();
  96 }
  97
  98 extern "C" {
  99 void __atf_config_reinit(void);
 100 }
 101
 102 namespace atf {
 103 namespace config {
 104 //
 105 // Auxiliary function for the t_config test program so that it can
 106 // revert the configuration's global status to an empty state and
 107 // do new tests from there on.
 108 //
 109 // Ideally this shouldn't be part of the production library... but
 110 // this is so small that it does not matter.
 111 //
 112 void
 113 __reinit(void)
 114 {
 115     __atf_config_reinit();
 116     m_variables.clear();
 117 }
 118 } // namespace config
 119 } // namespace atf