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//
// Automated Testing Framework (atf)
//
// Copyright (c) 2007 The NetBSD Foundation, Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#include <cassert>
#include <map>
#include "config.hpp"
#include "env.hpp"
#include "text.hpp"
static std::map< std::string, std::string > m_variables;
static struct var {
const char *name;
const char *default_value;
bool can_be_empty;
} vars[] = {
{ "ATF_ARCH", ATF_ARCH, false, },
{ "ATF_BUILD_CC", ATF_BUILD_CC, false, },
{ "ATF_BUILD_CFLAGS", ATF_BUILD_CFLAGS, true, },
{ "ATF_BUILD_CPP", ATF_BUILD_CPP, false, },
{ "ATF_BUILD_CPPFLAGS", ATF_BUILD_CPPFLAGS, true, },
{ "ATF_BUILD_CXX", ATF_BUILD_CXX, false, },
{ "ATF_BUILD_CXXFLAGS", ATF_BUILD_CXXFLAGS, true, },
{ "ATF_CONFDIR", ATF_CONFDIR, false, },
{ "ATF_INCLUDEDIR", ATF_INCLUDEDIR, false, },
{ "ATF_LIBDIR", ATF_LIBDIR, false, },
{ "ATF_LIBEXECDIR", ATF_LIBEXECDIR, false, },
{ "ATF_MACHINE", ATF_MACHINE, false, },
{ "ATF_PKGDATADIR", ATF_PKGDATADIR, false, },
{ "ATF_SHELL", ATF_SHELL, false, },
{ "ATF_WORKDIR", ATF_WORKDIR, false, },
{ NULL, NULL, false, },
};
//
// Adds all predefined standard build-time variables to the m_variables
// map, considering the values a user may have provided in the environment.
//
// Can only be called once during the program's lifetime.
//
static
void
init_variables(void)
{
assert(m_variables.empty());
for (struct var* v = vars; v->name != NULL; v++) {
const std::string varname = tools::text::to_lower(v->name);
if (tools::env::has(v->name)) {
const std::string envval = tools::env::get(v->name);
if (envval.empty() && !v->can_be_empty)
m_variables[varname] = v->default_value;
else
m_variables[varname] = envval;
} else {
m_variables[varname] = v->default_value;
}
}
assert(!m_variables.empty());
}
const std::string&
tools::config::get(const std::string& varname)
{
if (m_variables.empty())
init_variables();
assert(has(varname));
return m_variables[varname];
}
const std::map< std::string, std::string >&
tools::config::get_all(void)
{
if (m_variables.empty())
init_variables();
return m_variables;
}
bool
tools::config::has(const std::string& varname)
{
if (m_variables.empty())
init_variables();
return m_variables.find(varname) != m_variables.end();
}
namespace tools {
namespace config {
//
// Auxiliary function for the t_config test program so that it can
// revert the configuration's global status to an empty state and
// do new tests from there on.
//
// Ideally this shouldn't be part of the production library... but
// this is so small that it does not matter.
//
void
__reinit(void)
{
m_variables.clear();
}
} // namespace config
} // namespace tools
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