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-rw-r--r--unit/atf-src/tools/config.cpp135
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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