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 <cassert> 31#include <map> 32 33#include "config.hpp" 34#include "env.hpp" 35#include "text.hpp" 36 37static std::map< std::string, std::string > m_variables; 38 39static struct var { 40 const char *name; 41 const char *default_value; 42 bool can_be_empty; 43} vars[] = { 44 { "ATF_ARCH", ATF_ARCH, false, }, 45 { "ATF_BUILD_CC", ATF_BUILD_CC, false, }, 46 { "ATF_BUILD_CFLAGS", ATF_BUILD_CFLAGS, true, }, 47 { "ATF_BUILD_CPP", ATF_BUILD_CPP, false, }, 48 { "ATF_BUILD_CPPFLAGS", ATF_BUILD_CPPFLAGS, true, }, 49 { "ATF_BUILD_CXX", ATF_BUILD_CXX, false, }, 50 { "ATF_BUILD_CXXFLAGS", ATF_BUILD_CXXFLAGS, true, }, 51 { "ATF_CONFDIR", ATF_CONFDIR, false, }, 52 { "ATF_INCLUDEDIR", ATF_INCLUDEDIR, false, }, 53 { "ATF_LIBDIR", ATF_LIBDIR, false, }, 54 { "ATF_LIBEXECDIR", ATF_LIBEXECDIR, false, }, 55 { "ATF_MACHINE", ATF_MACHINE, false, }, 56 { "ATF_PKGDATADIR", ATF_PKGDATADIR, false, }, 57 { "ATF_SHELL", ATF_SHELL, false, }, 58 { "ATF_WORKDIR", ATF_WORKDIR, false, }, 59 { NULL, NULL, false, }, 60}; 61 62// 63// Adds all predefined standard build-time variables to the m_variables 64// map, considering the values a user may have provided in the environment. 65// 66// Can only be called once during the program's lifetime. 67// 68static 69void 70init_variables(void) 71{ 72 assert(m_variables.empty()); 73 74 for (struct var* v = vars; v->name != NULL; v++) { 75 const std::string varname = tools::text::to_lower(v->name); 76 77 if (tools::env::has(v->name)) { 78 const std::string envval = tools::env::get(v->name); 79 if (envval.empty() && !v->can_be_empty) 80 m_variables[varname] = v->default_value; 81 else 82 m_variables[varname] = envval; 83 } else { 84 m_variables[varname] = v->default_value; 85 } 86 } 87 88 assert(!m_variables.empty()); 89} 90 91const std::string& 92tools::config::get(const std::string& varname) 93{ 94 if (m_variables.empty()) 95 init_variables(); 96 97 assert(has(varname)); 98 return m_variables[varname]; 99} 100 101const std::map< std::string, std::string >& 102tools::config::get_all(void) 103{ 104 if (m_variables.empty()) 105 init_variables(); 106 107 return m_variables; 108} 109 110bool 111tools::config::has(const std::string& varname) 112{ 113 if (m_variables.empty()) 114 init_variables(); 115 116 return m_variables.find(varname) != m_variables.end(); 117} 118 119namespace tools { 120namespace config { 121// 122// Auxiliary function for the t_config test program so that it can 123// revert the configuration's global status to an empty state and 124// do new tests from there on. 125// 126// Ideally this shouldn't be part of the production library... but 127// this is so small that it does not matter. 128// 129void 130__reinit(void) 131{ 132 m_variables.clear(); 133} 134} // namespace config 135} // namespace tools 136